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Edit File: admin-builder.js

/* global wpforms_builder, wpf, List, jconfirm, wpforms_panel_switch, WPForms */

var WPFormsBuilder = window.WPFormsBuilder || ( function( document, window, $ ) {

var s,
		$builder,
		elements = {};

/**
	 * Whether to show the close confirmation dialog or not.
	 *
	 * @since 1.6.0
	 *
	 * @type {boolean}
	 */
	var close_confirmation = true;

var app = {

settings: {
			spinner:          '<i class="fa fa-spinner fa-spin"></i>',
			spinnerInline:    '<i class="fa fa-spinner fa-spin wpforms-loading-inline"></i>',
			tinymceDefaults:  { tinymce: { toolbar1: 'bold,italic,underline,blockquote,strikethrough,bullist,numlist,alignleft,aligncenter,alignright,undo,redo,link' }, quicktags: true },
			pagebreakTop:     false,
			pagebreakBottom:  false,
			upload_img_modal: false,
		},

/**
		 * Start the engine.
		 *
		 * @since 1.0.0
		 */
		init: function() {

var that = this;

wpforms_panel_switch = true;
			s = this.settings;

// Document ready.
			$( document ).ready( app.ready );

// Page load.
			$( window ).on( 'load', app.load );

$( window ).on( 'beforeunload', function() {
				if ( ! that.formIsSaved() && close_confirmation ) {
					return wpforms_builder.are_you_sure_to_close;
				}
			} );
		},

/**
		 * Page load.
		 *
		 * @since 1.0.0
		 */
		load: function() {

// Remove Loading overlay.
			$( '#wpforms-builder-overlay' ).fadeOut();

// Maybe display informational modal.
			if ( wpforms_builder.template_modal_display == '1' && 'fields' === wpf.getQueryString('view') ) {
				$.alert( {
					title: wpforms_builder.template_modal_title,
					content: wpforms_builder.template_modal_msg,
					icon: 'fa fa-info-circle',
					type: 'blue',
					buttons: {
						confirm: {
							text: wpforms_builder.close,
							btnClass: 'btn-confirm',
							keys: [ 'enter' ],
						},
					},
				} );
			}
		},

/**
		 * Document ready.
		 *
		 * @since 1.0.0
		 */
		ready: function() {

// Cache builder element.
			$builder = $( '#wpforms-builder' );

// Cache other elements.
			elements.$fieldOptions       = $( '#wpforms-field-options' );
			elements.$sortableFieldsWrap = $( '.wpforms-field-wrap' );
			elements.$noFieldsOptions    = $( '.wpforms-no-fields-holder .no-fields' );
			elements.$noFieldsPreview    = $( '.wpforms-no-fields-holder .no-fields-preview' );

// Bind all actions.
			app.bindUIActions();

// Trigger initial save for new forms.
			var newForm = wpf.getQueryString( 'newform' );
			if ( newForm ) {
				app.formSave( false );
			}

// Setup/cache some vars not available before
			s.formID = $( '#wpforms-builder-form' ).data( 'id' );
			s.pagebreakTop = $( '.wpforms-pagebreak-top' ).length;
			s.pagebreakBottom = $( '.wpforms-pagebreak-bottom' ).length;
			s.templateList = new List( 'wpforms-setup-templates-additional', {
				valueNames: [ 'wpforms-template-name' ],
			} );

// Disable implicit submission for every form inside the builder.
			// All form values are managed by JS and should not be submitted by pressing Enter.
			$builder.on( 'keypress', '#wpforms-builder-form :input:not(textarea)', function( e ) {
				if ( e.keyCode === 13 ) {
					e.preventDefault();
				}
			} );

// If there is a section configured, display it.
			// Otherwise we show the first panel by default.
			$( '.wpforms-panel' ).each( function( index, el ) {
				var $this = $( this ),
					$configured = $this.find( '.wpforms-panel-sidebar-section.configured' ).first();

if ( $configured.length ) {
					var section = $configured.data( 'section' );
					$configured.addClass( 'active' ).find( '.wpforms-toggle-arrow' ).toggleClass( 'fa-angle-down fa-angle-right' );
					$this.find( '.wpforms-panel-content-section-' + section ).show().addClass( 'active' );
				} else {
					$this.find( '.wpforms-panel-content-section:first-of-type' )
						.show()
						.addClass( 'active' );
					$this.find( '.wpforms-panel-sidebar-section:first-of-type' )
						.addClass( 'active' )
						.find( '.wpforms-toggle-arrow' )
						.toggleClass( 'fa-angle-down fa-angle-right' );
				}
			} );

// Drag and drop sortable elements.
			app.fieldSortable();
			app.fieldChoiceSortable( 'select' );
			app.fieldChoiceSortable( 'radio' );
			app.fieldChoiceSortable( 'checkbox' );
			app.fieldChoiceSortable( 'payment-multiple' );
			app.fieldChoiceSortable( 'payment-checkbox' );
			app.fieldChoiceSortable( 'payment-select' );

// Load match heights.
			$( '.wpforms-setup-templates.core .wpforms-template-inner' ).matchHeight( {
				byRow: false,
			} );
			$( '.wpforms-setup-templates.additional .wpforms-template-inner' ).matchHeight( {
				byRow: false,
			} );

// Set field group visibility.
			$( '.wpforms-add-fields-group' ).each( function( index, el ) {
				app.fieldGroupToggle( $( this ), 'load' );
			} );

app.registerTemplates();

// Trim long form titles.
			app.trimFormTitle();

// Load Tooltips.
			wpf.initTooltips();

// Load Color Pickers.
			app.loadColorPickers();

// Hide/Show reCAPTCHA in form.
			app.recaptchaToggle();

// Confirmations initial setup
			app.confirmationsSetup();

// Notification settings.
			app.notificationToggle();

// Secret builder hotkeys.
			app.builderHotkeys();

// Clone form title to setup page.
			$( '#wpforms-setup-name' ).val( $( '#wpforms-panel-field-settings-form_title' ).val() );

// jquery-confirm defaults.
			jconfirm.defaults = {
				closeIcon: true,
				backgroundDismiss: true,
				escapeKey: true,
				animationBounce: 1,
				useBootstrap: false,
				theme: 'modern',
				boxWidth: '400px',
				animateFromElement: false
			};
		},

/**
		 * Add number slider events listeners.
		 *
		 * @since 1.5.7
		 *
		 * @param {object} $builder JQuery object.
		 */
		numberSliderEvents: function( $builder ) {

// Minimum update.
			$builder.on(
				'input',
				'.wpforms-field-option-row-min_max .wpforms-input-row .wpforms-number-slider-min',
				app.fieldNumberSliderUpdateMin
			);

// Maximum update.
			$builder.on(
				'input',
				'.wpforms-field-option-row-min_max .wpforms-input-row .wpforms-number-slider-max',
				app.fieldNumberSliderUpdateMax
			);

// Change default input value.
			$builder.on(
				'input',
				'.wpforms-number-slider-default-value',
				_.debounce( app.changeNumberSliderDefaultValue, 500 )
			);

// Change step value.
			$builder.on(
				'input',
				'.wpforms-number-slider-step',
				_.debounce( app.changeNumberSliderStep, 500 )
			);

// Change value display.
			$builder.on(
				'input',
				'.wpforms-number-slider-value-display',
				_.debounce( app.changeNumberSliderValueDisplay, 500 )
			);

// Change min value.
			$builder.on(
				'input',
				'.wpforms-number-slider-min',
				_.debounce( app.changeNumberSliderMin, 500 )
			);

// Change max value.
			$builder.on(
				'input',
				'.wpforms-number-slider-max',
				_.debounce( app.changeNumberSliderMax, 500 )
			);
		},

/**
		 * Change number slider min option.
		 *
		 * @since 1.5.7
		 *
		 * @param {object} event Input event.
		 */
		changeNumberSliderMin: function( event ) {

var fieldID = $( event.target ).parents( '.wpforms-field-option-row' ).data( 'fieldId' );
			var value   = parseFloat( event.target.value );

if ( isNaN( value ) ) {
				return;
			}

app.updateNumberSliderDefaultValueAttr( fieldID, event.target.value, 'min' );
		},

/**
		 * Change number slider max option.
		 *
		 * @since 1.5.7
		 *
		 * @param {object} event Input event.
		 */
		changeNumberSliderMax: function( event ) {

var fieldID = $( event.target ).parents( '.wpforms-field-option-row' ).data( 'fieldId' );
			var value   = parseFloat( event.target.value );

if ( isNaN( value ) ) {
				return;
			}

app.updateNumberSliderDefaultValueAttr( fieldID, event.target.value, 'max' )
				.updateNumberSliderStepValueMaxAttr( fieldID, event.target.value );
		},

/**
		 * Change number slider value display option.
		 *
		 * @since 1.5.7
		 *
		 * @param {object} event Input event.
		 */
		changeNumberSliderValueDisplay: function( event ) {

var str = event.target.value;
			var fieldID = $( event.target ).parents( '.wpforms-field-option-row' ).data( 'fieldId' );
			var defaultValue = document.getElementById( 'wpforms-field-option-' + fieldID + '-default_value' );

if ( defaultValue ) {
				app.updateNumberSliderHintStr( fieldID, str )
					.updateNumberSliderHint( fieldID, defaultValue.value );
			}
		},

/**
		 * Change number slider step option.
		 *
		 * @since 1.5.7
		 *
		 * @param {object} event Input event.
		 */
		changeNumberSliderStep: function( event ) {

var value = parseFloat( event.target.value );

if ( ! isNaN( value ) ) {
				var max = parseFloat( event.target.max );
				var min = parseFloat( event.target.min );
				var fieldID = $( event.target ).parents( '.wpforms-field-option-row' ).data( 'fieldId' );

if ( value > max ) {
					event.target.value = max;

return;
				}

if ( value < min ) {
					event.target.value = min;

return;
				}

app.updateNumberSliderAttr( fieldID, value, 'step' )
					.updateNumberSliderDefaultValueAttr( fieldID, value, 'step' );
			}
		},

/**
		 * Change number slider default value option.
		 *
		 * @since 1.5.7
		 *
		 * @param {object} event Input event.
		 */
		changeNumberSliderDefaultValue: function( event ) {

var value = parseFloat( event.target.value );

if ( ! isNaN( value ) ) {
				var max     = parseFloat( event.target.max );
				var min     = parseFloat( event.target.min );
				var fieldID = $( event.target ).parents( '.wpforms-field-option-row-default_value' ).data( 'fieldId' );

if ( value > max ) {
					event.target.value = max;

return;
				}

if ( value < min ) {
					event.target.value = min;

return;
				}

app.updateNumberSlider( fieldID, value )
					.updateNumberSliderHint( fieldID, value );
			}
		},

/**
		 * Update number slider default value attribute.
		 *
		 * @since 1.5.7
		 *
		 * @param {number} fieldID Field ID.
		 * @param {*} newValue Default value attribute.
		 * @param {*} attr Attribute name.
		 *
		 * @returns {object} App instance.
		 */
		updateNumberSliderDefaultValueAttr: function( fieldID, newValue, attr ) {

var input = document.getElementById( 'wpforms-field-option-' + fieldID + '-default_value' );

if ( input ) {
				var value = parseFloat( input.value );

input.setAttribute( attr, newValue );
				newValue = parseFloat( newValue );

if ( 'max' === attr && value > newValue ) {
					input.value = newValue;
					$( input ).trigger( 'input' );
				}

if ( 'min' === attr && value < newValue ) {
					input.value = newValue;
					$( input ).trigger( 'input' );
				}
			}

return this;
		},

/**
		 * Update number slider value.
		 *
		 * @since 1.5.7
		 *
		 * @param {number} fieldID Field ID.
		 * @param {string} value Number slider value.
		 *
		 * @returns {object} App instance.
		 */
		updateNumberSlider: function( fieldID, value ) {

var numberSlider = document.getElementById( 'wpforms-number-slider-' + fieldID );

if ( numberSlider ) {
				numberSlider.value = value;
			}

return this;
		},

/**
		 * Update number slider attribute.
		 *
		 * @since 1.5.7
		 *
		 * @param {number} fieldID Field ID.
		 * @param {mixed} value Attribute value.
		 * @param {*} attr Attribute name.
		 *
		 * @returns {object} App instance.
		 */
		updateNumberSliderAttr: function( fieldID, value, attr ) {

var numberSlider = document.getElementById( 'wpforms-number-slider-' + fieldID );

if ( numberSlider ) {
				numberSlider.setAttribute( attr, value );
			}

return this;
		},

/**
		 * Update number slider hint string.
		 *
		 * @since 1.5.7
		 *
		 * @param {number} fieldID Field ID.
		 * @param {string} str Hint string.
		 *
		 * @returns {object} App instance.
		 */
		updateNumberSliderHintStr: function( fieldID, str ) {

var hint = document.getElementById( 'wpforms-number-slider-hint-' + fieldID );

if ( hint ) {
				hint.dataset.hint = str;
			}

return this;
		},

/**
		 * Update number slider Hint value.
		 *
		 * @since 1.5.7
		 *
		 * @param {number} fieldID Field ID.
		 * @param {string} value Hint value.
		 *
		 * @returns {object} App instance.
		 */
		updateNumberSliderHint: function( fieldID, value ) {

var hint = document.getElementById( 'wpforms-number-slider-hint-' + fieldID );

if ( hint ) {
				hint.innerHTML = wpf.sanitizeHTML( hint.dataset.hint ).replace( '{value}', '<b>' + value + '</b>' );
			}

return this;
		},

/**
		 * Update min attribute.
		 *
		 * @since 1.5.7
		 *
		 * @param {object} event Input event.
		 */
		fieldNumberSliderUpdateMin: function( event ) {

var $options = $( event.target ).parents( '.wpforms-field-option-row-min_max' );
			var max = parseFloat( $options.find( '.wpforms-number-slider-max' ).val() );
			var current = parseFloat( event.target.value );

if ( isNaN( current ) ) {
				return;
			}

if ( max <= current ) {
				event.preventDefault();
				this.value = max;

return;
			}

var fieldId = $options.data( 'field-id' );
			var numberSlider = $builder.find( '#wpforms-field-' + fieldId + ' input[type="range"]' );

numberSlider.attr( 'min', current );
		},

/**
		 * Update max attribute.
		 *
		 * @since 1.5.7
		 *
		 * @param {object} event Input event.
		 */
		fieldNumberSliderUpdateMax: function( event ) {
			var $options = $( event.target ).parents( '.wpforms-field-option-row-min_max' );
			var min = parseFloat( $options.find( '.wpforms-number-slider-min' ).val() );
			var current = parseFloat( event.target.value );

if ( isNaN( current ) ) {
				return;
			}

if ( min >= current ) {
				event.preventDefault();
				this.value = min;

return;
			}

var fieldId = $options.data( 'field-id' );
			var numberSlider = $builder.find( '#wpforms-field-' + fieldId + ' input[type="range"]' );

numberSlider.attr( 'max', current );
		},

/**
		 * Update max attribute for step value.
		 *
		 * @since 1.5.7
		 *
		 * @param {number} fieldID Field ID.
		 * @param {*} newValue Default value attribute.
		 *
		 * @returns {object} App instance.
		 */
		updateNumberSliderStepValueMaxAttr: function( fieldID, newValue ) {

var input = document.getElementById( 'wpforms-field-option-' + fieldID + '-step' );

if ( input ) {
				var value = parseFloat( input.value );

input.setAttribute( 'max', newValue );
				newValue = parseFloat( newValue );

if ( value > newValue ) {
					input.value = newValue;
					$( input ).trigger( 'input' );
				}
			}

return this;
		},

/**
		 * Update upload selector.
		 *
		 * @since 1.5.6
		 *
		 * @param {object} target Changed :input.
		 */
		fieldFileUploadPreviewUpdate: function( target ) {

var $options = $( target ).parents( '.wpforms-field-option-file-upload' );
			var fieldId = $options.data( 'field-id' );

var styleOption = $options.find( '#wpforms-field-option-' + fieldId + '-style' ).val();
			var $maxFileNumberRow = $options.find( '#wpforms-field-option-row-' + fieldId + '-max_file_number' );
			var maxFileNumber = parseInt( $maxFileNumberRow.find( 'input' ).val(), 10 );

var $preview = $( '#wpforms-field-' + fieldId );
			var classicPreview = '.wpforms-file-upload-builder-classic';
			var modernPreview = '.wpforms-file-upload-builder-modern';

if ( styleOption === 'classic' ) {
				$( classicPreview, $preview ).removeClass( 'wpforms-hide' );
				$( modernPreview, $preview ).addClass( 'wpforms-hide' );
				$maxFileNumberRow.addClass( 'wpforms-row-hide' );
			} else {

// Change hint and title.
				if ( maxFileNumber > 1 ) {
					$preview
						.find( '.modern-title' )
						.text( wpforms_builder.file_upload.preview_title_plural );
					$preview
						.find( '.modern-hint' )
						.text( wpforms_builder.file_upload.preview_hint.replace( '{maxFileNumber}', maxFileNumber ) )
						.removeClass( 'wpforms-hide' );
				} else {
					$preview
						.find( '.modern-title' )
						.text( wpforms_builder.file_upload.preview_title_single );
					$preview
						.find( '.modern-hint' )
						.text( wpforms_builder.file_upload.preview_hint.replace( '{maxFileNumber}', 1 ) )
						.addClass( 'wpforms-hide' );
				}

// Display the preview.
				$( classicPreview, $preview ).addClass( 'wpforms-hide' );
				$( modernPreview, $preview ).removeClass( 'wpforms-hide' );
				$maxFileNumberRow.removeClass( 'wpforms-row-hide' );
			}
		},

/**
		 * Update limit controls by changing checkbox.
		 *
		 * @since 1.5.6
		 *
		 * @param {number} id Field id.
		 * @param {bool} checked Whether an option is checked or not.
		 */
		updateTextFieldsLimitControls: function( id, checked ) {

if ( ! checked ) {
				$( '#wpforms-field-option-row-' + id + '-limit_controls' ).addClass( 'wpforms-hide' );
			} else {
				$( '#wpforms-field-option-row-' + id + '-limit_controls' ).removeClass( 'wpforms-hide' );
			}
		},

/**
		 * Element bindings.
		 *
		 * @since 1.0.0
		 */
		bindUIActions: function() {

// General Panels.
			app.bindUIActionsPanels();

// Setup Panel.
			app.bindUIActionsSetup();

// Fields Panel.
			app.bindUIActionsFields();

// Settings Panel.
			app.bindUIActionsSettings();

// Save and Exit.
			app.bindUIActionsSaveExit();

// General/ global.
			app.bindUIActionsGeneral();
		},

//--------------------------------------------------------------------//
		// General Panels
		//--------------------------------------------------------------------//

/**
		 * Element bindings for general panel tasks.
		 *
		 * @since 1.0.0
		 */
		bindUIActionsPanels: function() {

// Panel switching.
			$builder.on('click', '#wpforms-panels-toggle button, .wpforms-panel-switch', function(e) {
				e.preventDefault();
				app.panelSwitch($(this).data('panel'));
			});

// Panel sections switching.
			$builder.on('click', '.wpforms-panel .wpforms-panel-sidebar-section', function(e) {
				app.panelSectionSwitch(this, e);
			});
		},

/**
		 * Switch Panels.
		 *
		 * @since 1.0.0
		 * @since 1.5.9 Added `wpformsPanelSwitched` triger.
		 */
		panelSwitch: function(panel) {

var $panel    = $('#wpforms-panel-'+panel),
				$panelBtn = $('.wpforms-panel-'+panel+'-button');

if (!$panel.hasClass('active')) {

$builder.trigger('wpformsPanelSwitch', panel);

if (!wpforms_panel_switch) {
					return false;
				}

$('#wpforms-panels-toggle').find('button').removeClass('active');
				$('.wpforms-panel').removeClass('active');
				$panelBtn.addClass('active');
				$panel.addClass('active');

history.replaceState({}, null, wpf.updateQueryString('view', panel));

$builder.trigger( 'wpformsPanelSwitched', panel );
			}
		},

/**
		 * Switch Panel section.
		 *
		 * @since 1.0.0
		 */
		panelSectionSwitch: function(el, e) {
			if (e) {
				e.preventDefault();
			}

var $this           = $(el),
				$panel          = $this.parent().parent(),
				section         = $this.data('section'),
				$sectionButtons = $panel.find('.wpforms-panel-sidebar-section'),
				$sectionButton  = $panel.find('.wpforms-panel-sidebar-section-'+section);

if ( $this.hasClass( 'upgrade-modal' ) || $this.hasClass( 'education-modal' )  ) {
				return;
			}

if ( ! $sectionButton.hasClass('active') ) {
				$builder.trigger('wpformsPanelSectionSwitch', section);
				$sectionButtons.removeClass('active');
				$sectionButtons.find('.wpforms-toggle-arrow').removeClass('fa-angle-down').addClass('fa-angle-right');
				$sectionButton.addClass('active');
				$sectionButton.find('.wpforms-toggle-arrow').toggleClass('fa-angle-right fa-angle-down');
				$panel.find('.wpforms-panel-content-section').hide();
				$panel.find('.wpforms-panel-content-section-'+section).show();
			}
		},

//--------------------------------------------------------------------//
		// Setup Panel
		//--------------------------------------------------------------------//

/**
		 * Element bindings for Setup panel.
		 *
		 * @since 1.0.0
		 */
		bindUIActionsSetup: function() {

// Focus on the form title field when displaying setup panel
			$(window).load(function(e) {
				app.setupTitleFocus(e, wpf.getQueryString('view'));
			});
			$builder.on('wpformsPanelSwitch', app.setupTitleFocus);

// Select and apply a template
			$builder.on('click', '.wpforms-template-select', function(e) {
				app.templateSelect(this, e);
			});

// "Blank form" text should trigger template selection
			$builder.on('click', '.wpforms-trigger-blank', function(e) {
				e.preventDefault();
				$('#wpforms-template-blank .wpforms-template-select').trigger('click');
			});

// Keep Setup title and settings title instances the same
			$builder.on('input ', '#wpforms-panel-field-settings-form_title', function() {
				$('#wpforms-setup-name').val($('#wpforms-panel-field-settings-form_title').val());
			});
			$builder.on('input', '#wpforms-setup-name', function() {
				$('#wpforms-panel-field-settings-form_title').val($('#wpforms-setup-name').val());
			});

// Additional template searching
			$builder.on('keyup', '#wpforms-setup-template-search' , function() {
				s.templateList.search( $(this).val() );
			});
		},

/**
		 * Force focus on the form title field when the Setup panel is displaying.
		 *
		 * @since 1.0.0
		 */
		setupTitleFocus: function(e, view) {

if (typeof view !== 'undefined' && view == 'setup') {
				setTimeout(function (){
					$('#wpforms-setup-name').focus();
				}, 100);
			}
		},

/**
		 * Select template.
		 *
		 * @since 1.0.0
		 */
		templateSelect: function(el, e) {
			e.preventDefault();

var $this         = $(el),
				$parent       = $this.parent().parent(),
				$formName     = $('#wpforms-setup-name'),
				$templateBtns = $('.wpforms-template-select'),
				formName      = '',
				labelOriginal = $this.html(),
				template      = $this.data('template'),
				templateName  = $this.data('template-name-raw'),
				title         = '',
				action        = '';

// Don't do anything for selects that trigger modal
			if ($parent.hasClass('pro-modal')){
				return;
			}

// Disable all template buttons
			$templateBtns.prop('disabled', true);

// Display loading indicator
			$this.html(s.spinner+' '+ wpforms_builder.loading);

$builder.trigger('wpformsTemplateSelect', template);

// This is an existing form
			if (s.formID) {

$.confirm({
					title: wpforms_builder.heads_up,
					content: wpforms_builder.template_confirm,
					backgroundDismiss: false,
					closeIcon: false,
					icon: 'fa fa-exclamation-circle',
					type: 'orange',
					buttons: {
						confirm: {
							text: wpforms_builder.ok,
							btnClass: 'btn-confirm',
							action: function(){
								// Ajax update form
								var data = {
									title   : $formName.val(),
									action  : 'wpforms_update_form_template',
									template: template,
									form_id : s.formID,
									nonce   : wpforms_builder.nonce
								}
								$.post(wpforms_builder.ajax_url, data, function(res) {
									if (res.success){
										window.location.href = res.data.redirect;
									} else {
										console.log(res);
									}
								}).fail(function(xhr, textStatus, e) {
									console.log(xhr.responseText);
								});
							}
						},
						cancel: {
							text: wpforms_builder.cancel,
							action: function(){
								$templateBtns.prop('disabled', false);
								$this.html(labelOriginal);
							}
						}
					}
				});

// This is a new form
			} else {

// Check that form title is provided
				if (!$formName.val()) {
					formName = templateName;
				} else {
					formName = $formName.val();
				}

// Ajax create new form
				var data = {
					title   : formName,
					action  : 'wpforms_new_form',
					template: template,
					form_id : s.formID,
					nonce   : wpforms_builder.nonce
				}
				$.post(wpforms_builder.ajax_url, data, function(res) {
					if (res.success){
						window.location.href = res.data.redirect;
					} else {
						console.log(res);
					}
				}).fail(function(xhr, textStatus, e) {
					console.log(xhr.responseText);
				});
			}
		},

//--------------------------------------------------------------------//
		// Fields Panel
		//--------------------------------------------------------------------//

/**
		 * Element bindings for Fields panel.
		 *
		 * @since 1.0.0
		 */
		bindUIActionsFields: function() {

// Field sidebar tab toggle
			$builder.on('click', '.wpforms-tab a', function(e) {
				e.preventDefault();
				app.fieldTabToggle($(this).parent().attr('id'));
			});

// Field sidebar group toggle
			$builder.on('click', '.wpforms-add-fields-heading', function(e) {
				e.preventDefault();
				app.fieldGroupToggle($(this), 'click');
			});

// Form field preview clicking
			$builder.on('click', '.wpforms-field', function(e) {
				app.fieldTabToggle($(this).data('field-id'));
			});

// Field delete
			$builder.on('click', '.wpforms-field-delete', function(e) {
				e.preventDefault();
				e.stopPropagation();
				app.fieldDelete($(this).parent().data('field-id'));
			});

// Field duplicate
			$builder.on('click', '.wpforms-field-duplicate', function(e) {
				e.preventDefault();
				app.fieldDuplicate($(this).parent().data('field-id'));
			});

// Field add
			$builder.on('click', '.wpforms-add-fields-button', function(e) {
				e.preventDefault();
				app.fieldAdd($(this).data('field-type'));
			});

// New field choices should be sortable
			$builder.on('wpformsFieldAdd', function(event, id, type) {
				if (type === 'select' || type === 'radio'  || type === 'checkbox' || type === 'payment-multiple' || type === 'payment-checkbox' || type === 'payment-select' ) {
					app.fieldChoiceSortable(type,'#wpforms-field-option-row-' + id + '-choices ul');
				}
			 });

// Field choice add new
			$builder.on('click', '.wpforms-field-option-row-choices .add', function(e) {
				app.fieldChoiceAdd(e, $(this));
			});

// Field choice delete
			$builder.on('click', '.wpforms-field-option-row-choices .remove', function(e) {
				app.fieldChoiceDelete(e, $(this));
			});

// Field choices defaults - before change
			$builder.on('mousedown', '.wpforms-field-option-row-choices input[type=radio]', function(e) {
				var $this = $(this);
				if ( $this.is(':checked') ) {
					$this.attr('data-checked', '1');
				} else {
					$this.attr('data-checked', '0');
				}
			});

// Field choices defaults
			$builder.on('click', '.wpforms-field-option-row-choices input[type=radio]', function(e) {
				var $this = $(this),
					list  = $this.parent().parent();
				$this.parent().parent().find('input[type=radio]').not(this).prop('checked',false);
				if ( $this.attr('data-checked') === '1' ) {
					$this.prop( 'checked', false );
					$this.attr('data-checked', '0');
				}
				app.fieldChoiceUpdate(list.data('field-type'),list.data('field-id') );
			});

// Field choices update preview area
			$builder.on('change', '.wpforms-field-option-row-choices input[type=checkbox]', function(e) {
				var list = $(this).parent().parent();
				app.fieldChoiceUpdate(list.data('field-type'),list.data('field-id') );
			});

// Field choices display value toggle
			$builder.on('change', '.wpforms-field-option-row-show_values input', function(e) {
				$(this).closest('.wpforms-field-option').find('.wpforms-field-option-row-choices ul').toggleClass('show-values');
			});

// Field choices image toggle.
			$builder.on('change', '.wpforms-field-option-row-choices_images input', function() {

var $this         = $( this ),
					fieldID       = $this.parent().data( 'field-id' ),
					$fieldOptions = $( '#wpforms-field-option-'+fieldID ),
					checked       = $this.is( ':checked' ),
					type          = $( '#wpforms-field-option-'+fieldID ).find( '.wpforms-field-option-hidden-type' ).val();

$this.parent().find( '.wpforms-alert' ).toggleClass( 'wpforms-hidden' );
				$fieldOptions.find( '.wpforms-field-option-row-choices ul' ).toggleClass( 'show-images' );
				$fieldOptions.find( '.wpforms-field-option-row-choices_images_style' ).toggleClass( 'wpforms-hidden' );

if ( checked ) {
					$( '#wpforms-field-option-'+fieldID+'-input_columns' ).val( 'inline' ).trigger( 'change' );
				} else {
					$( '#wpforms-field-option-'+fieldID+'-input_columns' ).val( '' ).trigger( 'change' );
				}

app.fieldChoiceUpdate( type, fieldID );
			});

// Field choices image upload add/remove image.
			$builder.on( 'wpformsImageUploadAdd wpformsImageUploadRemove', function( event, $this, $container ) {

var $list   = $container.closest( '.choices-list' ),
					fieldID = $list.data( 'field-id' ),
					type    = $list.data( 'field-type' );

app.fieldChoiceUpdate( type, fieldID );
			});

// Field choices image style toggle.
			$builder.on( 'change', '.wpforms-field-option-row-choices_images_style select', function() {

var fieldID = $( this ).parent().data( 'field-id' ),
					type    = $( '#wpforms-field-option-'+fieldID ).find( '.wpforms-field-option-hidden-type' ).val();

app.fieldChoiceUpdate( type, fieldID );
			});

// Updates field choices text in almost real time
			$builder.on('focusout', '.wpforms-field-option-row-choices input.label', function(e) {
				var list = $(this).parent().parent();
				app.fieldChoiceUpdate(list.data('field-type'),list.data('field-id'));
			});

// Field Choices Bulk Add
			$builder.on('click', '.toggle-bulk-add-display', function(e) {
				e.preventDefault();
				app.fieldChoiceBulkAddToggle(this);
			});
			$builder.on('click', '.toggle-bulk-add-presets', function(e) {
				e.preventDefault();
				var $presetList = $(this).closest('.bulk-add-display').find('ul');
				if ( $presetList.css('display') === 'block' ) {
					$(this).text(wpforms_builder.bulk_add_presets_show);
				} else {
					$(this).text(wpforms_builder.bulk_add_presets_hide);
				}
				$presetList.slideToggle();
			});
			$builder.on('click', '.bulk-add-preset-insert', function(e) {
				e.preventDefault();
				var $this         = $(this),
					preset        = $this.data('preset'),
					$container    = $this.closest('.bulk-add-display'),
					$presetList   = $container.find('ul'),
					$presetToggle = $container.find('.toggle-bulk-add-presets'),
					$textarea     = $container.find('textarea');
				$textarea.val('');
				$textarea.insertAtCaret(wpforms_preset_choices[preset].choices.join("\n"));
				$presetToggle.text(wpforms_builder.bulk_add_presets_show);
				$presetList.slideUp();
			});
			$builder.on('click', '.bulk-add-insert', function(e) {
				e.preventDefault();
				app.fieldChoiceBulkAddInsert(this);
			});

// Field Options group toggle
			$builder.on('click', '.wpforms-field-option-group-toggle:not(.upgrade-modal)', function( e ) {
				e.preventDefault();
				var $this = $( this );
				$this.parent().toggleClass( 'wpforms-hide' ).find( '.wpforms-field-option-group-inner' ).slideToggle();
				$this.find( 'i' ).toggleClass( 'fa-angle-down fa-angle-right' );
			});

// Display toggle for Address field hide address line 2 option
			$builder.on('change', '.wpforms-field-option-address input.hide', function(e) {
				var $this    = $(this),
					id       = $this.parent().parent().data('field-id'),
					subfield = $this.parent().parent().data('subfield');
				$('#wpforms-field-'+id).find('.wpforms-'+subfield).toggleClass('wpforms-hide');
			});

// Real-time updates for "Show Label" field option
			$builder.on( 'input', '.wpforms-field-option-row-label input, .wpforms-field-option-row-name input', function( e ) {
				var $this = $( this ),
					value = $this.val(),
					id    = $this.parent().data( 'field-id' );
				$( '#wpforms-field-' + id ).find( '.label-title .text' ).text( value );
			} );

// Real-time updates for "Description" field option
			$builder.on( 'input', '.wpforms-field-option-row-description textarea', function() {
				var $this = $( this ),
					value = wpf.sanitizeHTML( $this.val() ),
					id    = $this.parent().data( 'field-id' ),
					$desc = $( '#wpforms-field-'+id ).find( '.description' );

if ( $desc.hasClass( 'nl2br' ) ) {
					$desc.html( value.replace( /\n/g, '<br>' ) );
				} else {
					$desc.html( value );
				}
			});

// Real-time updates for "Required" field option
			$builder.on('change', '.wpforms-field-option-row-required input', function(e) {
				var id = $(this).parent().data('field-id');
				$('#wpforms-field-'+id).toggleClass('required');
			});

// Real-time updates for "Confirmation" field option
			$builder.on('change', '.wpforms-field-option-row-confirmation input', function(e) {
				var id = $(this).parent().data('field-id');
				$('#wpforms-field-'+id).find('.wpforms-confirm').toggleClass('wpforms-confirm-enabled wpforms-confirm-disabled');
				$('#wpforms-field-option-'+id).toggleClass('wpforms-confirm-enabled wpforms-confirm-disabled');
			});

// Real-time updates for "Size" field option
			$builder.on('change', '.wpforms-field-option-row-size select', function(e) {
				var $this = $(this),
					value = $this.val(),
					id    = $this.parent().data('field-id');
				$('#wpforms-field-'+id).removeClass('size-small size-medium size-large').addClass('size-'+value);
			});

// Real-time updates for "Placeholder" field option.
			$builder.on( 'input', '.wpforms-field-option-row-placeholder input', function() {
				var $this = $( this ),
					value = wpf.sanitizeHTML( $this.val() ),
					id = $this.parent().data( 'field-id' ),
					$primary = $( '#wpforms-field-' + id ).find( '.primary-input' );

if ( $primary.is( 'select' ) ) {
					if ( ! value.length ) {
						$primary.find( '.placeholder' ).remove();
					} else {
						if ( $primary.find( '.placeholder' ).length ) {
							$primary.find( '.placeholder' ).text( value );
						} else {
							$primary.prepend( '<option class="placeholder" selected>' + value + '</option>' );
						}
					}
				} else {
					$primary.attr( 'placeholder', value );
				}
			} );

// Real-time updates for "Confirmation Placeholder" field option
			$builder.on('input', '.wpforms-field-option-row-confirmation_placeholder input', function(e) {
				var $this   = $(this),
					value   = $this.val(),
					id      = $this.parent().data('field-id');
				$('#wpforms-field-'+id).find('.secondary-input').attr('placeholder', value);
			});

// Real-time updates for "Hide Label" field option
			$builder.on('change', '.wpforms-field-option-row-label_hide input', function(e) {
				var id = $(this).parent().data('field-id');
				$('#wpforms-field-'+id).toggleClass('label_hide');
			});

// Real-time updates for Sub Label visbility field option
			$builder.on('change', '.wpforms-field-option-row-sublabel_hide input', function(e) {
				var id = $(this).parent().data('field-id');
				$('#wpforms-field-'+id).toggleClass('sublabel_hide');
			});

// Real-time updates for Date/Time and Name "Format" option
			$builder.on('change', '.wpforms-field-option-row-format select', function(e) {
				var $this = $(this),
					value = $this.val(),
					id    = $this.parent().data('field-id');
				$('#wpforms-field-'+id).find('.format-selected').removeClass().addClass('format-selected format-selected-'+value);
				$('#wpforms-field-option-'+id).find('.format-selected').removeClass().addClass('format-selected format-selected-'+value);
			});

// Real-time updates specific for Address "Scheme" option
			$builder.on('change', '.wpforms-field-option-row-scheme select', function(e) {
				var $this = $(this),
					value = $this.val(),
					id    = $this.parent().data('field-id'),
					$field = $('#wpforms-field-'+id);

$field.find('.wpforms-address-scheme').addClass('wpforms-hide');
				$field.find('.wpforms-address-scheme-'+value).removeClass('wpforms-hide');

if ( $field.find('.wpforms-address-scheme-'+value+' .wpforms-country' ).children().length == 0 ) {
					$('#wpforms-field-option-'+id).find('.wpforms-field-option-row-country').addClass('wpforms-hidden');
				} else {
					$('#wpforms-field-option-'+id).find('.wpforms-field-option-row-country').removeClass('wpforms-hidden');
				}
			});

// Real-time updates for Address, Date/Time, and Name "Placeholder" field options
			$builder.on('input', '.wpforms-field-option .format-selected input.placeholder, .wpforms-field-option-address input.placeholder', function(e) {
				var $this    = $(this),
					value    = $this.val(),
					id       = $this.parent().parent().data('field-id'),
					subfield = $this.parent().parent().data('subfield');
				$('#wpforms-field-'+id).find('.wpforms-'+ subfield+' input' ).attr('placeholder', value);
			});

// Real-time updates for Date/Time date type
			$builder.on('change', '.wpforms-field-option-row-date .type select', function(e) {
				var $this = $(this),
					value = $this.val(),
					id    = $(this).parent().parent().data('field-id');
				$('#wpforms-field-'+id).find('.wpforms-date').toggleClass('wpforms-date-type-datepicker wpforms-date-type-dropdown');
				$('#wpforms-field-option-'+id).toggleClass('wpforms-date-type-datepicker wpforms-date-type-dropdown');

if ( value === 'dropdown' ) {
					$( '#wpforms-field-option-' + id + '-date_format' ).prop( 'selectedIndex', 0 ).trigger( 'change' );
				}
			});

// Real-time updates for Date/Time date select format
			$builder.on('change', '.wpforms-field-option-row-date .format select', function(e) {
				var $this = $(this),
					value = $this.val(),
					id    = $(this).parent().parent().data('field-id');
				if ( value === 'm/d/Y' ) {
					$('#wpforms-field-'+id).find('.wpforms-date-dropdown .first option').text(wpforms_builder.date_select_month);
					$('#wpforms-field-'+id).find('.wpforms-date-dropdown .second option').text(wpforms_builder.date_select_day);
				} else if ( value == 'd/m/Y' ) {
					$('#wpforms-field-'+id).find('.wpforms-date-dropdown .first option').text(wpforms_builder.date_select_day);
					$('#wpforms-field-'+id).find('.wpforms-date-dropdown .second option').text(wpforms_builder.date_select_month);
				}
			});

// Consider the field active when a disabled nav button is clicked
			$builder.on('click', '.wpforms-pagebreak-button', function(e) {
				e.preventDefault();
				$(this).closest('.wpforms-field').trigger('click');
			});

/*
			 * Pagebreak field.
			 */
			app.fieldPageBreakInitDisplayPrevious( $builder.find( '.wpforms-field-pagebreak.wpforms-pagebreak-normal:first' ) );

$builder
				.on( 'input', '.wpforms-field-option-row-next input', function( e ) {

// Real-time updates for "Next" pagebreak field option.
					var $this = $( this ),
						value = $this.val(),
						$next = $( '#wpforms-field-' + $this.parent().data( 'field-id' ) ).find( '.wpforms-pagebreak-next' );

if ( value ) {
						$next.css( 'display', 'inline-block' ).text( value );
					} else {
						$next.css( 'display', 'none' ).empty();
					}
				} )
				.on( 'input', '.wpforms-field-option-row-prev input', function( e ) {

// Real-time updates for "Prev" pagebreak field option.
					var $this = $( this ),
						value = $this.val(),
						$field = $( '#wpforms-field-' + $this.parent().data( 'field-id' ) ),
						$prevBtn = $field.find( '.wpforms-pagebreak-prev' );

if ( value && $field.prevAll( '.wpforms-field-pagebreak.wpforms-pagebreak-normal' ).length > 0 ) {
						$prevBtn.removeClass( 'wpforms-hidden' ).text( value );
					} else {
						$prevBtn.addClass( 'wpforms-hidden' ).empty();
					}
				} )
				.on( 'change', '.wpforms-field-option-row-prev_toggle input', function( e ) {

// Real-time updates for "Display Previous" pagebreak field option.
					var $prev      = $( this ).closest( '.wpforms-field-option-group-inner' ).find( '.wpforms-field-option-row-prev' ),
						$prevLabel = $prev.find( 'input' );

$prev.toggleClass( 'wpforms-hidden' );

if ( $( this ).prop( 'checked' ) && ! $prevLabel.val() ) {
						$prevLabel.val( wpforms_builder.previous );
					} else {
						$prevLabel.val( '' );
					}
					$prevLabel.trigger( 'input' );
				} )
				.on( 'wpformsFieldAdd', app.fieldPagebreakAdd )
				.on( 'wpformsFieldDelete', app.fieldPagebreakDelete );

// Update Display Previous option visibility for all Pagebreak fields.
			$builder.on( 'wpformsFieldMove wpformsFieldAdd wpformsFieldDelete', function( e ) {
				$builder.find( '.wpforms-field-pagebreak.wpforms-pagebreak-normal' ).each( function( i ) {
					app.fieldPageBreakInitDisplayPrevious( $( this ) );
				} );
			} );

// Real-time updates for "Page Title" pagebreak field option
			$builder.on( 'input', '.wpforms-field-option-row-title input', function( e ) {
				var $this = $( this ),
					value = $this.val(),
					id = $this.parent().data( 'field-id' );
				if ( value ) {
					$( '#wpforms-field-' + id ).find( '.wpforms-pagebreak-title' ).text( '(' + value + ')' );
				} else {
					$( '#wpforms-field-' + id ).find( '.wpforms-pagebreak-title' ).empty();
				}
			} );

// Real-time updates for "Page Navigation Alignment" pagebreak field option
			$builder.on( 'change', '.wpforms-field-option-row-nav_align select', function( e ) {
				var $this = $( this ),
					value = $this.val();
				if ( ! value ) {
					value = 'center';
				}
				$( '.wpforms-pagebreak-buttons' )
					.removeClass( 'wpforms-pagebreak-buttons-center wpforms-pagebreak-buttons-left wpforms-pagebreak-buttons-right wpforms-pagebreak-buttons-split' )
					.addClass( 'wpforms-pagebreak-buttons-' + value );
			} );

// Real-time updates for Single Item field "Item Price" option
			$builder.on('input', '.wpforms-field-option-row-price input', function(e) {
				var $this      = $(this),
					value      = $this.val(),
					id         = $this.parent().data('field-id'),
					sanitized  = wpf.amountSanitize(value),
					formatted  = wpf.amountFormat(sanitized),
					singleItem;
				if ( wpforms_builder.currency_symbol_pos == 'right' ) {
					singleItem = formatted+' '+wpforms_builder.currency_symbol;
				} else {
					singleItem = wpforms_builder.currency_symbol+' '+formatted;
				}
				$('#wpforms-field-'+id).find('.primary-input').val(formatted);
				$('#wpforms-field-'+id).find('.price').text(singleItem);
			});

// Real-time updates for payment CC icons
			$builder.on('change', '.wpforms-field-option-credit-card .payment-icons input', function(e) {
				var $this = $(this),
					card  = $this.data('card')
					id    = $this.parent().data('field-id');
				$('#wpforms-field-'+id).find('img.icon-'+card).toggleClass('card_hide');
			});

// Generic updates for various additional placeholder fields
			$builder.on('input', '.wpforms-field-option input.placeholder-update', function(e) {
				var $this    = $(this),
					value    = $this.val(),
					id       = $this.data('field-id'),
					subfield = $this.data('subfield');
				$('#wpforms-field-'+id).find('.wpforms-'+ subfield+' input' ).attr('placeholder', value);
			});

// Toggle Choice Layout advanced field option.
			$builder.on( 'change', '.wpforms-field-option-row-input_columns select', function() {
				var $this    = $( this ),
					value    = $this.val(),
					cls      = '',
					id       = $this.parent().data( 'field-id' );
				if ( value === '2' ) {
					cls = 'wpforms-list-2-columns';
				} else if ( value === '3' ) {
					cls = 'wpforms-list-3-columns';
				} else if ( value === 'inline' ) {
					cls = 'wpforms-list-inline';
				}
				$( '#wpforms-field-' + id ).removeClass( 'wpforms-list-2-columns wpforms-list-3-columns wpforms-list-inline' ).addClass( cls );
			});

// Toggle the toggle field.
			$builder.on('click', '.wpforms-field-option-row .wpforms-toggle-icon', function(e) {
				var $this  = $(this),
					$check = $this.find('input[type=checkbox]'),
					$label = $this.find('.wpforms-toggle-icon-label');

$this.toggleClass('wpforms-off wpforms-on');
				$this.find('i').toggleClass('fa-toggle-off fa-toggle-on');

if ($this.hasClass('wpforms-on')) {
					$label.text(wpforms_builder.on);
					$check.prop('checked', true);
				} else {
					$label.text(wpforms_builder.off);
					$check.prop('checked', false);
				}
				$check.trigger('change');
			});

// Real-time updates for "Dynamic Choices" field option, for Dropdown,
			// Checkboxes, and Multiple choice fields
			$builder.on('change', '.wpforms-field-option-row-dynamic_choices select', function(e) {
				app.fieldDynamicChoiceToggle($(this));
			});

// Real-time updates for "Dynamic [type] Source" field option, for Dropdown,
			// Checkboxes, and Multiple choice fields
			$builder.on('change', '.wpforms-field-option-row-dynamic_taxonomy select, .wpforms-field-option-row-dynamic_post_type select', function(e) {
				app.fieldDynamicChoiceSource($(this));
			});

// Toggle Layout selector
			$builder.on('click', '.toggle-layout-selector-display', function(e) {
				e.preventDefault();
				app.fieldLayoutSelectorToggle(this);
			});
			$builder.on('click', '.layout-selector-display-layout', function(e) {
				e.preventDefault();
				app.fieldLayoutSelectorLayout(this);
			});
			$builder.on('click', '.layout-selector-display-columns span', function(e) {
				e.preventDefault();
				app.fieldLayoutSelectorInsert(this);
			});

// Real-time updates for Rating field scale option.
			$( document ).on( 'change', '.wpforms-field-option-row-scale select', function() {

var $this  = $( this ),
					value  = $this.val(),
					id     = $this.parent().data( 'field-id' ),
					$icons = $( '#wpforms-field-'+id +' .rating-icon' ),
					x      = 1;

$icons.each( function( index ) {;
					if ( x <= value ) {
						$( this ).show();
					} else {
						$( this ).hide();
					}
					x++;
				});
			});

// Real-time updates for Rating field icon option.
			$( document ).on( 'change', '.wpforms-field-option-row-icon select', function() {

var $this     = $( this ),
					value     = $this.val(),
					id        = $this.parent().data( 'field-id' ),
					$icons    = $( '#wpforms-field-'+id +' .rating-icon' ),
					iconClass = 'fa-star';

if ( 'heart' === value ) {
					iconClass = 'fa-heart';
				} else if ( 'thumb' === value ) {
					iconClass = 'fa-thumbs-up';
				} else if ( 'smiley' === value ) {
					iconClass = 'fa-smile-o';
				}

$icons.removeClass( 'fa-star fa-heart fa-thumbs-up fa-smile-o' ).addClass( iconClass );
			});

// Real-time updates for Rating field icon size option.
			$( document ).on( 'change', '.wpforms-field-option-row-icon_size select', function() {

var $this     = $( this ),
					value     = $this.val(),
					id        = $this.parent().data( 'field-id' ),
					$icons    = $( '#wpforms-field-'+id +' .rating-icon' );
					fontSize  = '28';

if ( 'small' === value ) {
					fontSize = '18';
				} else if ( 'large' === value ) {
					fontSize = '38';
				}

$icons.css( 'font-size', fontSize + 'px' );
			});

// Real-time updates for Rating field icon color option.
			$( document ).on( 'input', '.wpforms-field-option-row-icon_color input.wpforms-color-picker', function() {

var $this     = $( this ),
					value     = $this.val(),
					id        = $this.closest( '.wpforms-field-option-row' ).data( 'field-id' ),
					$icons    = $( '#wpforms-field-'+id +' i.fa' );

$icons.css( 'color', value );
			});

// Real-time updates for Checkbox field Disclaimer option.
			$( document ).on( 'change', '.wpforms-field-option-row-disclaimer_format input', function() {

var $this     = $( this ),
					id        = $this.parent().data( 'field-id' ),
					$desc    = $( '#wpforms-field-'+id +' .description' );

$desc.toggleClass( 'disclaimer' );
			});

$builder.on(
				'change',
				'.wpforms-field-option-row-limit_enabled input',
				function( event ) {
					app.updateTextFieldsLimitControls( $( event.target ).parents( '.wpforms-field-option-row-limit_enabled' ).data().fieldId, event.target.checked );
				}
			);

// File uploader - change style.
			$builder
				.on(
					'change',
					'.wpforms-field-option-file-upload .wpforms-field-option-row-style select, .wpforms-field-option-file-upload .wpforms-field-option-row-max_file_number input',
					function( event ) {
						app.fieldFileUploadPreviewUpdate( event.target );
					}
				);

// Real-time updates for Number Slider field.
			app.numberSliderEvents( $builder );

// Hide image choices if dynamic choices is not off.
			app.fieldDynamicChoiceToggleImageChoices();
		},

/**
		 * Toggle field group visibility in the field sidebar.
		 *
		 * @since 1.0.0
		 */
		fieldGroupToggle: function(el, action) {

if ( 'click' === action ) {

var $this      = $(el),
					$buttons   = $this.next('.wpforms-add-fields-buttons'),
					$group     = $buttons.parent(),
					$icon      = $this.find('i'),
					groupName  = $this.data('group'),
					cookieName = 'wpforms_field_group_'+groupName;

if ($group.hasClass('wpforms-hide')) {
					wpCookies.remove(cookieName);
				} else {
					wpCookies.set(cookieName,'true',2592000); // 1 month
				}
				$icon.toggleClass('fa-angle-down fa-angle-right');
				$buttons.slideToggle();
				$group.toggleClass('wpforms-hide');

} else if ( 'load' === action ) {

var $this      = $(el),
					$buttons   = $this.find('.wpforms-add-fields-buttons'),
					$icon      = $this.find('.wpforms-add-fields-heading i'),
					groupName  = $this.find('.wpforms-add-fields-heading').data('group'),
					cookieName = 'wpforms_field_group_'+groupName;

if (wpCookies.get(cookieName) == 'true') {
					$icon.toggleClass('fa-angle-down fa-angle-right');
					$buttons.hide();
					$this.toggleClass('wpforms-hide');
				}
			}
		},

/**
		 * Delete field
		 *
		 * @since 1.0.0
		 */
		fieldDelete: function(id) {

var $field = $('#wpforms-field-'+id),
				type   = $field.data('field-type');

if ($field.hasClass('no-delete')) {
				$.alert({
					title: wpforms_builder.field_locked,
					content: wpforms_builder.field_locked_msg,
					icon: 'fa fa-info-circle',
					type: 'blue',
					buttons: {
						confirm: {
							text: wpforms_builder.close,
							btnClass: 'btn-confirm',
							keys: ['enter']
						}
					}
				});
			} else {
				$.confirm({
					title: false,
					content: wpforms_builder.delete_confirm,
					backgroundDismiss: false,
					closeIcon: false,
					icon: 'fa fa-exclamation-circle',
					type: 'orange',
					buttons: {
						confirm: {
							text: wpforms_builder.ok,
							btnClass: 'btn-confirm',
							keys: ['enter'],
							action: function(){
								$('#wpforms-field-'+id).fadeOut(400, function(){
									$(this).remove();
									$('#wpforms-field-option-'+id).remove();
									$('.wpforms-field, .wpforms-title-desc').removeClass('active');
									app.fieldTabToggle('add-fields');
									if ( $('.wpforms-field').length < 1 ) {
										elements.$fieldOptions.append( elements.$noFieldsOptions.clone() );
										elements.$sortableFieldsWrap.append( elements.$noFieldsPreview.clone() );
									}
									$builder.trigger('wpformsFieldDelete', [id, type ]);
								});
							}
						},
						cancel: {
							text: wpforms_builder.cancel
						}
					}
				});
			}
		},

/**
		 * Duplicate field
		 *
		 * @since 1.2.9
		 */
		fieldDuplicate: function(id) {

var $field = $('#wpforms-field-'+id),
				type   = $field.data('field-type');

if ($field.hasClass('no-duplicate')) {
				$.alert({
					title: wpforms_builder.field_locked,
					content: wpforms_builder.field_locked_msg,
					icon: 'fa fa-info-circle',
					type: 'blue',
					buttons : {
						confirm : {
							text: wpforms_builder.close,
							btnClass: 'btn-confirm',
							keys: ['enter']
						}
					}
				});
			} else {
				$.confirm({
					title: false,
					content: wpforms_builder.duplicate_confirm,
					backgroundDismiss: false,
					closeIcon: false,
					icon: 'fa fa-exclamation-circle',
					type: 'orange',
					buttons: {
						confirm: {
							text: wpforms_builder.ok,
							btnClass: 'btn-confirm',
							keys: ['enter'],
							action: function(){
								var $newField            = $field.clone(),
									$fieldOptions        = $('#wpforms-field-option-'+id),
									newFieldOptions 	 = $fieldOptions.html(),
									newFieldID           = $('#wpforms-field-id').val(),
									newFieldLabel        = $('#wpforms-field-option-'+id+'-label').val()+' '+wpforms_builder.duplicate_copy,
									nextID               = Number(newFieldID)+1,
									regex_fieldOptionsID = new RegExp( 'ID #'+id, "g"),
									regex_fieldID        = new RegExp( 'fields\\['+id+'\\]', "g"),
									regex_dataFieldID    = new RegExp( 'data-field-id="'+id+'"', "g"),
									regex_referenceID    = new RegExp( 'data-reference="'+id+'"', "g"),
									regex_elementID      = new RegExp( '\\b(id|for)="wpforms-(.*?)'+id+'(.*?)"', "ig");

// Toggle visibility states
								$field.after($newField);
								$field.removeClass('active');
								$newField.addClass('active').attr({
									'id'           : 'wpforms-field-'+newFieldID,
									'data-field-id': newFieldID
								});

// Various regex to adjust the field options to work with
								// the new field ID
								function regex_elementID_replace(match, p1, p2, p3, offset, string) {
									return p1+'="wpforms-'+p2+newFieldID+p3+'"';
								}
								newFieldOptions = newFieldOptions.replace(regex_fieldOptionsID, 'ID #'+newFieldID);
								newFieldOptions = newFieldOptions.replace(regex_fieldID, 'fields['+newFieldID+']');
								newFieldOptions = newFieldOptions.replace(regex_dataFieldID, 'data-field-id="'+newFieldID+'"');
								newFieldOptions = newFieldOptions.replace(regex_referenceID, 'data-reference="'+newFieldID+'"');
								newFieldOptions = newFieldOptions.replace(regex_elementID, regex_elementID_replace);

// Add new field options panel
								$fieldOptions.hide().after('<div class="wpforms-field-option wpforms-field-option-'+type+'" id="wpforms-field-option-'+newFieldID+'" data-field-id="'+newFieldID+'">'+newFieldOptions+'</div>');
								var $newFieldOptions = $('#wpforms-field-option-'+newFieldID);

// Copy over values
								$fieldOptions.find(':input').each(function(index, el) {

var $this = $(this),
										name    = $this.attr('name');

if ( ! name ) {
										return 'continue';
									}

var newName = name.replace(regex_fieldID, 'fields['+newFieldID+']'),
										type    = $this.attr('type');

if ( type === 'checkbox' || type === 'radio' ) {
										if ($this.is(':checked')){
											$newFieldOptions.find('[name="'+newName+'"]').prop('checked', true).attr('checked','checked');
										} else {
											$newFieldOptions.find('[name="'+newName+'"]').prop('checked', false).attr('checked',false);
										}
									} else if ($this.is('select')) {
										if ($this.find('option:selected').length) {
											var optionVal = $this.find('option:selected').val();
											$newFieldOptions.find('[name="'+newName+'"]').find('[value="'+optionVal+'"]').prop('selected',true);
										}
									} else {
										if ($this.val() !== '') {
											$newFieldOptions.find('[name="'+newName+'"]').val( $this.val() );
										} else if ( $this.hasClass( 'wpforms-money-input' ) ) {
											$newFieldOptions.find('[name="'+newName+'"]').val( '0.00' );
										}
									}
								});

// ID adjustments
								$('#wpforms-field-option-'+newFieldID).find('.wpforms-field-option-hidden-id').val(newFieldID);
								$('#wpforms-field-id').val(nextID);

// Adjust label to indicate this is a copy
								$('#wpforms-field-option-'+newFieldID+'-label').val(newFieldLabel);
								$newField.find('.label-title .text').text(newFieldLabel);

// Fire field add custom event
								$builder.trigger('wpformsFieldAdd', [newFieldID, type]);

// Lastly, update the next ID stored in database
								$.post(wpforms_builder.ajax_url, {form_id : s.formID, nonce : wpforms_builder.nonce, action : 'wpforms_builder_increase_next_field_id'});
							}
						},
						cancel: {
							text: wpforms_builder.cancel
						}
					}
				});
			}
		},

/**
		 * Add new field.
		 *
		 * @since 1.0.0
		 */
		fieldAdd: function(type, options) {

var $btn = $( '#wpforms-add-fields-' + type );

if ( $btn.hasClass( 'upgrade-modal' ) || $btn.hasClass( 'education-modal' ) || $btn.hasClass( 'warning-modal' ) ) {
				return;
			}

if ( type === 'recaptcha' ) {
				app.recaptchaUpdate();
				return;
			}

var defaults = {
				position   : 'bottom',
				placeholder: false,
				scroll     : true,
				defaults   : false
			};
			options = $.extend( {}, defaults, options);

var data = {
				action  : 'wpforms_new_field_'+type,
				id      : s.formID,
				type    : type,
				defaults: options.defaults,
				nonce   : wpforms_builder.nonce
			};

return $.post(wpforms_builder.ajax_url, data, function(res) {
				if (res.success) {

var totalFields = $('.wpforms-field').length,
						$preview    = $('#wpforms-panel-fields .wpforms-panel-content-wrap'),
						$lastField  = $('.wpforms-field').last(),
						$newField   = $(res.data.preview),
						$newOptions = $(res.data.options);

$newField.css('display', 'none');

if (options.placeholder) {
						options.placeholder.remove();
					}

// Determine where field gets placed
					if ( 'bottom' === options.position ) {

if ( $lastField.length && $lastField.hasClass( 'wpforms-field-stick' ) ) {

// Check to see if the last field we have is configured to
							// be stuck to the bottom, if so add the field above it.
							$( '.wpforms-field-wrap' ).children( ':eq(' + ( totalFields - 1 ) + ')' ).before( $newField );
							$( '.wpforms-field-options' ).children( ':eq(' + ( totalFields - 1 ) + ')' ).before( $newOptions );

} else {
							// Add field to bottom
							$('.wpforms-field-wrap').append($newField);
							$('.wpforms-field-options').append($newOptions);
						}

if (options.scroll) {
							$preview.animate({ scrollTop: $preview.prop('scrollHeight') - $preview.height() }, 1000);
						}

} else if ( 'top' === options.position ) {

// Add field to top, scroll to
						$('.wpforms-field-wrap').prepend($newField);
						$('.wpforms-field-options').prepend($newOptions);

if (options.scroll) {
							$preview.animate({ scrollTop: 0 }, 1000);
						}

} else {

if ( options.position === totalFields && $lastField.length && $lastField.hasClass( 'wpforms-field-stick' ) ) {

// Check to see if the user tried to add the field at
							// the end BUT the last field we have is configured to
							// be stuck to the bottom, if so add the field above it.
							$( '.wpforms-field-wrap' ).children( ':eq(' + ( totalFields - 1 ) + ')' ).before( $newField );
							$( '.wpforms-field-options' ).children( ':eq(' + ( totalFields - 1 ) + ')' ).before( $newOptions );

} else if ( $( '.wpforms-field-wrap' ).children( ':eq(' + options.position + ')' ).length ) {

// Add field to a specific location
							$( '.wpforms-field-wrap' ).children( ':eq(' + options.position + ')' ).before( $newField );
							$( '.wpforms-field-options' ).children( ':eq(' + options.position + ')' ).before( $newOptions );

} else {
							// Something's wrong, just add the field. This should never occur.
							$('.wpforms-field-wrap').append($newField);
							$('.wpforms-field-options').append($newOptions);
						}
					}

$newField.fadeIn();

$builder.find( '.no-fields, .no-fields-preview' ).remove();

$('#wpforms-field-id').val(res.data.field.id+1);

wpf.initTooltips();
					app.loadColorPickers();

$builder.trigger('wpformsFieldAdd', [res.data.field.id, type ]);

} else {
					console.log(res);
				}
			}).fail(function(xhr, textStatus, e) {
				console.log(xhr.responseText);
			});
		},

/**
		 * Update reCAPTCHA setting.
		 *
		 * @since 1.5.7
		 *
		 * @returns {object} jqXHR
		 */
		recaptchaUpdate: function() {

var data = {
				action : 'wpforms_update_field_recaptcha',
				id     : s.formID,
				nonce  : wpforms_builder.nonce,
			};

return $.post( wpforms_builder.ajax_url, data, function( res ) {

if ( res.success ) {
					var args = {
							title: false,
							content: false,
							icon: 'fa fa-exclamation-circle',
							type: 'orange',
							backgroundDismiss: false,
							closeIcon: false,
							boxWidth: '450px',
							buttons: {
								confirm: {
									text: wpforms_builder.ok,
									btnClass: 'btn-confirm',
									keys: [ 'enter' ],
								},
							},
						},
						$enableCheckbox = $( '#wpforms-panel-field-settings-recaptcha' ),
						caseName        = res.data.current;

// Possible cases:
					//
					// not_configured - IF reCAPTCHA is not configured in the WPForms plugin settings
					// configured_not_enabled - IF reCAPTCHA is configured in WPForms plugin settings, but wasn't set in form settings
					// configured_enabled - IF reCAPTCHA is configured in WPForms plugin and form settings
					if ( 'configured_not_enabled' === caseName || 'configured_enabled' === caseName ) {

// Get a correct case name.
						caseName = $enableCheckbox.prop( 'checked' ) ? 'configured_enabled' : 'configured_not_enabled';

args.buttons.confirm.action = function() {

// Check/uncheck a `reCAPTCHA` checkbox in form setting.
							$enableCheckbox
								.prop( 'checked', ( 'configured_not_enabled' === caseName ) )
								.trigger( 'change' );
						};
					}

args.title = res.data.cases[ caseName ].title;
					args.content = res.data.cases[ caseName ].content;

// Do you need a Cancel button?
					if ( res.data.cases[ caseName ].cancel ) {
						args.buttons.cancel = {
							text: wpforms_builder.cancel,
							keys: [ 'esc' ],
						};
					}

// Call a Confirm modal.
					$.confirm( args );

} else {
					console.log( res );
				}
			} ).fail( function( xhr, textStatus, e ) {
				console.log( xhr.responseText );
			} );
		},

/**
		 * Sortable fields in the builder form preview area.
		 *
		 * @since 1.0.0
		 */
		fieldSortable: function() {

var fieldOptions = $('.wpforms-field-options'),
				fieldReceived = false,
				fieldIndex,
				fieldIndexNew,
				field,
				fieldNew;

$('.wpforms-field-wrap').sortable({
				items  : '> .wpforms-field:not(.wpforms-field-stick):not(.no-fields-preview)',
				axis   : 'y',
				delay  : 100,
				opacity: 0.75,
				start:function(e,ui){
					fieldIndex = ui.item.index();
					field      = fieldOptions[0].children[fieldIndex];
				},
				stop:function(e,ui){
					fieldIndexNew = ui.item.index();
					fieldNew      = fieldOptions[0].children[fieldIndexNew];
					if (fieldIndex < fieldIndexNew){
						$(fieldNew).after(field);
					} else {
						$(fieldNew).before(field);
					}
					$builder.trigger('wpformsFieldMove', ui);
					fieldReceived = false;
				},
				over: function(e, ui){
					var $el = ui.item.first();
					$el.addClass('wpforms-field-dragging');

if ( $el.hasClass('wpforms-field-drag')){
						var width = $( '.wpforms-field' ).outerWidth() || elements.$sortableFieldsWrap.find( '.no-fields-preview' ).outerWidth();
						$el.addClass('wpforms-field-drag-over').removeClass('wpforms-field-drag-out').css('width', width).css('height', 'auto');
					}
				},
				out: function(e, ui){
					var $el   = ui.item.first();
					$el.removeClass('wpforms-field-dragging');

if ( !fieldReceived ) {
						var width = $el.attr('data-original-width');
						if ( $el.hasClass('wpforms-field-drag')){
							$el.addClass('wpforms-field-drag-out').removeClass('wpforms-field-drag-over').css('width', width).css('left', '').css('top', '');
						}
					}
					$el.css({
						'top':     '',
						'left':    '',
						'z-index': ''
					});
				},
				receive: function(e, ui) {
					fieldReceived = true;

var pos  = $(this).data('ui-sortable').currentItem.index(),
						$el  = ui.helper,
						type = $el.attr('data-field-type');

$el.addClass('wpforms-field-drag-over wpforms-field-drag-pending').removeClass('wpforms-field-drag-out').css('width', '100%');
					$el.append('<i class="fa fa-cog fa-spin"></i>');

app.fieldAdd(type, {position: pos, placeholder: $el});
				   }
			});

$( '.wpforms-add-fields-button' )
				.not( '.not-draggable' )
				.not( '.upgrade-modal' )
				.not( '.warning-modal' )
				.not( '.education-modal' )
				.draggable( {
					connectToSortable: '.wpforms-field-wrap',
					delay: 200,
					helper: function() {
						var $this = $( this ),
							width = $this.outerWidth(),
							text = $this.html(),
							type = $this.data( 'field-type' ),
							$el = $( '<div class="wpforms-field-drag-out wpforms-field-drag">' );

return $el.html( text ).css( 'width', width ).attr( 'data-original-width', width ).attr( 'data-field-type', type );
					},
					revert: 'invalid',
					cancel: false,
					scroll: false,
					opacity: 0.75,
					containment: 'document',
				} );
		},

/**
		 * Add new field choice
		 *
		 * @since 1.0.0
		 */
		fieldChoiceAdd: function( event, el ) {

event.preventDefault();

var $this   = $( el ),
				$parent = $this.parent(),
				checked = $parent.find( 'input.default' ).is( ':checked' ),
				fieldID = $this.closest( '.wpforms-field-option-row-choices' ).data( 'field-id' ),
				id      = $parent.parent().attr( 'data-next-id' ),
				type    = $parent.parent().data( 'field-type' ),
				$choice = $parent.clone().insertAfter( $parent );

$choice.attr( 'data-key', id );
			$choice.find( 'input.label' ).val( '' ).attr( 'name', 'fields['+fieldID+'][choices]['+id+'][label]' );
			$choice.find( 'input.value' ).val( '' ).attr( 'name', 'fields['+fieldID+'][choices]['+id+'][value]' );
			$choice.find( 'input.source' ).val( '' ).attr( 'name', 'fields['+fieldID+'][choices]['+id+'][image]' );
			$choice.find( 'input.default').attr( 'name', 'fields['+fieldID+'][choices]['+id+'][default]' ).prop( 'checked', false );
			$choice.find( '.preview' ).empty();
			$choice.find( '.wpforms-image-upload-add' ).show();
			$choice.find( '.wpforms-money-input' ).trigger( 'focusout' );

if ( checked === true ) {
				$parent.find( 'input.default' ).prop( 'checked', true );
			}
			id++;
			$parent.parent().attr( 'data-next-id', id );
			$builder.trigger( 'wpformsFieldChoiceAdd' );
			app.fieldChoiceUpdate( type, fieldID );
		},

/**
		 * Delete field choice
		 *
		 * @since 1.0.0
		 */
		fieldChoiceDelete: function(e, el) {

e.preventDefault();

var $this = $(el),
				$list = $this.parent().parent(),
				total = $list.find('li').length;

if (total == '1') {
				$.alert({
					title: false,
					content: wpforms_builder.error_choice,
					icon: 'fa fa-info-circle',
					type: 'blue',
					buttons: {
						confirm: {
							text: wpforms_builder.ok,
							btnClass: 'btn-confirm',
							keys: ['enter']
						}
					}
				});
			} else {
				$this.parent().remove();
				app.fieldChoiceUpdate($list.data('field-type'), $list.data('field-id'));
				$builder.trigger('wpformsFieldChoiceDelete');
			}
		},

/**
		 * Make field choices sortable.
		 *
		 * Currently used for select, radio, and checkboxes field types
		 *
		 * @since 1.0.0
		 */
		fieldChoiceSortable: function(type, selector) {

selector = typeof selector !== 'undefined' ? selector : '.wpforms-field-option-'+type+' .wpforms-field-option-row-choices ul';

$(selector).sortable({
				items  : 'li',
				axis   : 'y',
				delay  : 100,
				opacity: 0.6,
				handle : '.move',
				stop:function(e,ui){
					var id = ui.item.parent().data('field-id');
					app.fieldChoiceUpdate(type, id);
					$builder.trigger('wpformsFieldChoiceMove', ui);
				},
				update:function(e,ui){
				}
			});
		},

/**
		 * Update field choices in preview area, for the Fields panel.
		 *
		 * Currently used for select, radio, and checkboxes field types.
		 *
		 * @since 1.0.0
		 */
		fieldChoiceUpdate: function(type, id) {

// Radio, Checkbox, and Payment Multiple/Checkbox use _ template.
			if ( 'radio' === type || 'checkbox' === type || 'payment-multiple' === type || 'payment-checkbox' === type ) {

var tmpl = wp.template( 'wpforms-field-preview-checkbox-radio-payment-multiple' ),
					data = {
						settings: wpf.getField( id ),
						order:    wpf.getChoicesOrder( id ),
						type:     'radio'
					};

if ( 'checkbox' === type || 'payment-checkbox' === type ) {
					data.type = 'checkbox';
				}

$( '#wpforms-field-' + id ).find( 'ul.primary-input' ).replaceWith( tmpl( data ) );

return;
			}

var new_choice;

// Multiple payment choices are radio buttons.
			if ( type === 'payment-multiple') {
				type = 'radio';
			}
			// Checkbox payment choices are checkboxes.
			if ( type === 'payment-checkbox') {
				type = 'checkbox';
			}
			// Dropdown payment choices are selects.
			if ( type === 'payment-select') {
				type = 'select';
			}

if (type === 'select') {
				$('#wpforms-field-'+id+' .primary-input option' ).not('.placeholder').remove();
				new_choice = '<option>{label}</option>';
			} else if (type === 'radio' || type === 'checkbox' || type === 'gdpr-checkbox' ) {
				type = 'gdpr-checkbox' === type ? 'checkbox' : type;
				$('#wpforms-field-'+id+' .primary-input li' ).remove();
				new_choice = '<li><input type="'+type+'" disabled>{label}</li>';
			}
			$('#wpforms-field-option-row-' + id + '-choices .choices-list li').each( function( index ) {
				var $this    = $(this),
					label    = wpf.sanitizeHTML( $this.find( 'input.label' ).val() ),
					selected = $this.find('input.default').is(':checked'),
					choice 	 = $( new_choice.replace('{label}',label) );
				$('#wpforms-field-'+id+' .primary-input').append(choice);
				if ( selected === true ) {
					switch (type) {
						case 'select':
							choice.prop('selected', 'true');
							break;
						case 'radio':
						case 'checkbox':
							choice.find('input').prop('checked', 'true');
							break;
					}
				}
			});
		},

/**
		 * Field choice bulk add toggling.
		 *
		 * @since 1.3.7
		 */
		fieldChoiceBulkAddToggle: function(el) {

var $this  = $(el),
				$label = $this.closest('label');

if ( $this.hasClass('bulk-add-showing') ) {

// Import details is showing, so hide/remove it
				var $selector = $label.next('.bulk-add-display');
				$selector.slideUp(400, function() {
					$selector.remove();
				});
				$this.find('span').text(wpforms_builder.bulk_add_show);
			} else {

var importOptions = '<div class="bulk-add-display">';

importOptions += '<p class="heading wpforms-clear">'+wpforms_builder.bulk_add_heading+' <a href="#" class="toggle-bulk-add-presets">'+wpforms_builder.bulk_add_presets_show+'</a></p>';
				importOptions += '<ul>';
					for(var key in wpforms_preset_choices) {
						importOptions += '<li><a href="#" data-preset="'+key+'" class="bulk-add-preset-insert">'+wpforms_preset_choices[key].name+'</a></li>';
					}
				importOptions += '</ul>';
				importOptions += '<textarea placeholder="'+wpforms_builder.bulk_add_placeholder+'"></textarea>';
				importOptions += '<button class="bulk-add-insert">'+wpforms_builder.bulk_add_button+'</button>';
				importOptions += '</div>';

$label.after(importOptions);
				$label.next('.bulk-add-display').slideDown(400, function() {
					$(this).find('textarea').focus();
				});
				$this.find('span').text(wpforms_builder.bulk_add_hide);
			}

$this.toggleClass('bulk-add-showing');
		},

/**
		 * Field choice bulk insert the new choices.
		 *
		 * @since 1.3.7
		 *
		 * @param {object} el DOM element.
		 */
		fieldChoiceBulkAddInsert: function( el ) {

var $this = $( el ),
				$container = $this.closest( '.wpforms-field-option-row' ),
				$textarea = $container.find( 'textarea' ),
				$list = $container.find( '.choices-list' ),
				$choice = $list.find( 'li:first-of-type' ).clone().wrap( '<div>' ).parent(),
				choice = '',
				fieldID = $container.data( 'field-id' ),
				type = $list.data( 'field-type' ),
				nextID = Number( $list.attr( 'data-next-id' ) ),
				newValues = $textarea.val().split( '\n' ),
				newChoices = '';

$this.prop( 'disabled', true ).html( $this.html() + ' ' + s.spinner );
			$choice.find( 'input.value,input.label' ).attr( 'value', '' );
			choice = $choice.html();

for ( var key in newValues ) {
				if ( ! newValues.hasOwnProperty( key ) ) {
					continue;
				}
				var value     = wpf.sanitizeHTML( newValues[ key ] ).trim().replace( /"/g, '&quot;' ),
					newChoice = choice;
				newChoice = newChoice.replace( /\[choices\]\[(\d+)\]/g, '[choices][' + nextID + ']' );
				newChoice = newChoice.replace( /data-key="(\d+)"/g, 'data-key="' + nextID + '"' );
				newChoice = newChoice.replace( /value="" class="label"/g, 'value="' + value + '" class="label"' );

// For some reasons IE has its own attribute order.
				newChoice = newChoice.replace( /class="label" type="text" value=""/g, 'class="label" type="text" value="' + value + '"' );
				newChoices += newChoice;
				nextID++;
			}
			$list.attr( 'data-next-id', nextID ).append( newChoices );

app.fieldChoiceUpdate( type, fieldID );
			$builder.trigger( 'wpformsFieldChoiceAdd' );
			app.fieldChoiceBulkAddToggle( $container.find( '.toggle-bulk-add-display' ) );
		},

/**
		 * Toggle fields tabs (Add Fields, Field Options.
		 *
		 * @since 1.0.0
		 */
		fieldTabToggle: function(id) {

$('.wpforms-tab a').removeClass('active').find('i').removeClass('fa-angle-down').addClass('fa-angle-right');
			$('.wpforms-field, .wpforms-title-desc').removeClass('active');

if (id === 'add-fields') {
				$('#add-fields').find('a').addClass('active').find('i').addClass('fa-angle-down');
				$('.wpforms-field-options').hide();
				$('.wpforms-add-fields').show()
			} else {
				$('#field-options').find('a').addClass('active').find('i').addClass('fa-angle-down');
				if (id === 'field-options') {
					$('.wpforms-field').first().addClass('active');
					id = $('.wpforms-field').first().data('field-id');
				} else {
					$('#wpforms-field-'+id).addClass('active');
				}
				$('.wpforms-field-option').hide();
				$('#wpforms-field-option-'+id).show();
				$('.wpforms-add-fields').hide();
				$('.wpforms-field-options').show();
			}
		},

/**
		 * Watches fields being added and listens for a pagebreak field.
		 *
		 * If a pagebreak field is added, and it's the first one, then we
		 * automatically add the top and bottom pagebreak elements to the
		 * builder.
		 *
		 * @param {object} event Current DOM event.
		 * @param {number} id    Field ID.
		 * @param {string} type  Field type.
		 *
		 * @since 1.2.1
		 */
		fieldPagebreakAdd: function( event, id, type ) {

if ( 'pagebreak' !== type ) {
				return;
			}

var options;

if ( ! s.pagebreakTop ) {

s.pagebreakTop = true;
				options = {
					position: 'top',
					scroll: false,
					defaults: {
						position: 'top',
						nav_align: 'left',
					},
				};
				app.fieldAdd( 'pagebreak', options ).done( function( res ) {
					s.pagebreakTop = res.data.field.id;
					var $preview = $( '#wpforms-field-' + res.data.field.id ),
						$options = $( '#wpforms-field-option-' + res.data.field.id );

$options.find( '.wpforms-field-option-group' ).addClass( 'wpforms-pagebreak-top' );
					$preview.addClass( 'wpforms-field-stick wpforms-pagebreak-top' );
				} );

} else if ( ! s.pagebreakBottom ) {

s.pagebreakBottom = true;
				options = {
					position: 'bottom',
					scroll: false,
					defaults: {
						position: 'bottom',
					},
				};
				app.fieldAdd( 'pagebreak', options ).done( function( res ) {
					s.pagebreakBottom = res.data.field.id;
					var $preview = $( '#wpforms-field-' + res.data.field.id ),
						$options = $( '#wpforms-field-option-' + res.data.field.id );

$options.find( '.wpforms-field-option-group' ).addClass( 'wpforms-pagebreak-bottom' );
					$preview.addClass( 'wpforms-field-stick wpforms-pagebreak-bottom' );
				} );
			}
		},

/**
		 * Watches fields being deleted and listens for a pagebreak field.
		 *
		 * If a pagebreak field is added, and it's the first one, then we
		 * automatically add the top and bottom pagebreak elements to the
		 * builder.
		 *
		 * @param {object} event Current DOM event.
		 * @param {number} id    Field ID.
		 * @param {string} type  Field type.
		 *
		 * @since 1.2.1
		 */
		fieldPagebreakDelete: function( event, id, type ) {

if ( 'pagebreak' !== type ) {
				return;
			}

var pagebreaksRemaining = $( '.wpforms-field-pagebreak' ).not( '.wpforms-pagebreak-top, .wpforms-pagebreak-bottom' ).length;

if ( pagebreaksRemaining ) {
				return;
			}

// All pagebreaks, excluding top/bottom, are gone.
			// So we need to remove the top and bottom pagebreak.
			var $preview = $( '.wpforms-preview-wrap' ),
				$top = $preview.find( '.wpforms-pagebreak-top' ),
				topID = $top.data( 'field-id' ),
				$bottom = $preview.find( '.wpforms-pagebreak-bottom' ),
				bottomID = $bottom.data( 'field-id' );

$top.remove();
			$( '#wpforms-field-option-' + topID ).remove();
			s.pagebreakTop = false;
			$bottom.remove();
			$( '#wpforms-field-option-' + bottomID ).remove();
			s.pagebreakBottom = false;
		},

/**
		 * Init Display Previous option for Pagebreak field.
		 *
		 * @since 1.5.8
		 *
		 * @param {jQuery} $field Page Break field jQuery object.
		 */
		fieldPageBreakInitDisplayPrevious: function( $field ) {

var id          = $field.data( 'field-id' ),
				$prevToggle = $( '#wpforms-field-option-row-' + id + '-prev_toggle' ),
				$prev       = $( '#wpforms-field-option-row-' + id + '-prev' ),
				$prevBtn    = $field.find( '.wpforms-pagebreak-prev' );

if ( $field.prevAll( '.wpforms-field-pagebreak.wpforms-pagebreak-normal' ).length > 0 ) {
				$prevToggle.removeClass( 'hidden' );
				$prev.removeClass( 'hidden' );
				if ( $prevToggle.find( 'input' ).is( ':checked' ) ) {
					$prevBtn.removeClass( 'wpforms-hidden' ).text( $prev.find( 'input' ).val() );
				}
			} else {
				$prevToggle.addClass( 'hidden' );
				$prev.addClass( 'hidden' );
				$prevBtn.addClass( 'wpforms-hidden' );
			}
		},

/**
		 * Field Dynamic Choice toggle.
		 *
		 * @since 1.2.8
		 */
		fieldDynamicChoiceToggle: function(el) {

var $this       = $(el),
				$thisOption = $this.parent(),
				value       = $this.val(),
				id          = $thisOption.data('field-id'),
				type        = $( '#wpforms-field-option-'+id ).find( '.wpforms-field-option-hidden-type' ).val(),
				$field      = $('#wpforms-field-'+id),
				$choices    = $('#wpforms-field-option-row-'+id+'-choices'),
				$images     = $( '#wpforms-field-option-'+id+'-choices_images' );

// Hide image choices if dynamic choices is not off.
			app.fieldDynamicChoiceToggleImageChoices();

// Loading
			wpf.fieldOptionLoading($thisOption);

// Remove previous dynamic post type or taxonomy source options.
			$('#wpforms-field-option-row-'+id+'-dynamic_post_type').remove();
			$('#wpforms-field-option-row-'+id+'-dynamic_taxonomy').remove();

if ( '' === value ) {
				// "Off" - no dynamic populating.

// Show choice images option.
				$images.removeClass( 'wpforms-hidden' );
				$( '#wpforms-field-' + id ).find( '.wpforms-alert' ).remove();

if ( 'checkbox' === type || 'radio' === type || 'payment-multiple' === type || 'payment-checkbox' === type ) {

app.fieldChoiceUpdate( type, id );

} else {
					// Get original field choices.
					var choices = [];
					$('#wpforms-field-option-row-'+id+'-choices .label').each(function(index) {
						choices.push($(this).val());
					});

// Restore field to display original field choices.
					if ($field.hasClass('wpforms-field-select')) {

$field.find('select option:first').text(choices[0]);

} else {

var type  = 'radio',
							$list = $field.find('.primary-input');

if ($field.hasClass('wpforms-field-checkbox')) {
							type = 'checkbox';
						}

// Remove previous items.
						$list.empty();

// Add new items to radio or checkbox field.
						for(var key in choices) {
							$list.append('<li><input type="'+type+'" disabled> '+choices[key]+'</li>');
						}
					}
				}

// Toggle elements and hide loading indicator
				$choices.find('ul').removeClass('wpforms-hidden');
				$choices.find('.wpforms-alert').addClass('wpforms-hidden');

wpf.fieldOptionLoading($thisOption, true);

} else {
				// Post type or Taxonomy based dynamic populating.

// Hide choice images option, not applicable.
				$images.addClass( 'wpforms-hidden' );

// Re-init tooltips for new field.
					wpf.initTooltips();

// Trigger Dynamic source updates.
					$('#wpforms-field-option-'+id+'-dynamic_'+value).find('option:first').prop('selected', true);
					$('#wpforms-field-option-'+id+'-dynamic_'+value).trigger('change');

}).fail(function(xhr, textStatus, e) {
					console.log(xhr.responseText);
				});
			}
		},

/**
		 * Field Dynamic Choice Source toggle.
		 *
		 * @since 1.2.8
		 */
		fieldDynamicChoiceSource: function(el) {

var $this       = $(el),
				$thisOption = $this.parent(),
				value       = $this.val(),
				id          = $thisOption.data('field-id'),
				form_id     = $('#wpforms-builder-form').data('id'),
				$choices    = $('#wpforms-field-option-row-'+id+'-choices'),
				$field      = $('#wpforms-field-'+id),
				type        = $('#wpforms-field-option-'+id+'-dynamic_choices option:selected').val(),
				limit       = 20;

// Loading
			wpf.fieldOptionLoading($thisOption);

var data = {
				type    : type,
				source  : value,
				field_id: id,
				form_id : form_id,
				action  : 'wpforms_builder_dynamic_source',
				nonce   : wpforms_builder.nonce
			};
			$.post(wpforms_builder.ajax_url, data, function(res) {
				if (res.success){

// Update info box and remove old choices
					$choices.find('.dynamic-name').text(res.data.source_name);
					$choices.find('.dynamic-type').text(res.data.type_name);
					$choices.find('ul').addClass('wpforms-hidden');
					$choices.find('.wpforms-alert').removeClass('wpforms-hidden');

if ($field.hasClass('wpforms-field-select')) {

// Add new items to select field
						$field.find('select option:first').text(res.data.items[0]);
						limit = 200;

} else {

var type  = 'radio',
							$list = $field.find('.primary-input');

if ($field.hasClass('wpforms-field-checkbox')) {
							type = 'checkbox';
						}

// Remove previous items
						$list.empty();

// Add new items to radio or checkbox field
						for(var key in res.data.items) {
							$list.append('<li><input type="'+type+'" disabled> '+res.data.items[key]+'</li>');
						}
					}

// If the source has more items than the field type can
					// ideally handle alert the user
					if (Number(res.data.total) > limit) {
						var msg = wpforms_builder.dynamic_choice_limit;
						msg = msg.replace('{source}',res.data.source_name);
						msg = msg.replace('{type}',res.data.type_name);
						msg = msg.replace('{limit}',limit);
						msg = msg.replace('{total}',res.data.total);
						$.alert({
							title: wpforms_builder.heads_up,
							content: msg,
							icon: 'fa fa-info-circle',
							type: 'blue',
							buttons: {
								confirm: {
									text: wpforms_builder.ok,
									btnClass: 'btn-confirm',
									keys: ['enter']
								}
							}
						});
					}
				} else {
					console.log(res);
				}

// Toggle elements and hide loading indicator
				$choices.find('ul').addClass('wpforms-hidden');
				wpf.fieldOptionLoading($thisOption, true);

}).fail(function(xhr, textStatus, e) {
				console.log(xhr.responseText);
			});
		},

/**
		 * Image choice toggle, hide image choices, image choices style, choices if Dynamic choices is not OFF.
		 *
		 * @since 1.5.8
		 */
		fieldDynamicChoiceToggleImageChoices: function() {

$( '#wpforms-builder .wpforms-field-options .wpforms-field-option' ).each(
				function( key, value ) {
					var $option = $( value ),
						dynamicSelect = $option.find( '.wpforms-field-option-row-dynamic_choices select' );

if (
						typeof dynamicSelect.val() !== 'undefined' &&
						'' !== dynamicSelect.val()
					) {
						$option.find( '.wpforms-field-option-row-choices_images' ).hide();
						$option.find( '.wpforms-field-option-row-choices_images_style' ).hide();
					} else {
						$option.find( '.wpforms-field-option-row-choices_images' ).show();
						$option.find( '.wpforms-field-option-row-choices_images_style' ).show();
					}
				}
			);
		},

/**
		 * Field layout selector toggling.
		 *
		 * @since 1.3.7
		 */
		fieldLayoutSelectorToggle: function(el) {

var $this   = $(el),
				$label  = $this.closest('label'),
				layouts = {
					'layout-1' : [
						{
							'class': 'one-half',
							'data' : 'wpforms-one-half wpforms-first'
						},
						{
							'class': 'one-half',
							'data' : 'wpforms-one-half'
						}
					],
					'layout-2' : [
						{
							'class': 'one-third',
							'data' : 'wpforms-one-third wpforms-first'
						},
						{
							'class': 'one-third',
							'data' : 'wpforms-one-third'
						},
						{
							'class': 'one-third',
							'data' : 'wpforms-one-third'
						}
					],
					'layout-3' : [
						{
							'class': 'one-fourth',
							'data' : 'wpforms-one-fourth wpforms-first'
						},
						{
							'class': 'one-fourth',
							'data' : 'wpforms-one-fourth'
						},
						{
							'class': 'one-fourth',
							'data' : 'wpforms-one-fourth'
						},
						{
							'class': 'one-fourth',
							'data' : 'wpforms-one-fourth'
						}
					],
					'layout-4' : [
						{
							'class': 'one-third',
							'data' : 'wpforms-one-third wpforms-first'
						},
						{
							'class': 'two-third',
							'data' : 'wpforms-two-thirds'
						}
					],
					'layout-5' : [
						{
							'class': 'two-third',
							'data' : 'wpforms-two-thirds wpforms-first'
						},
						{
							'class': 'one-third',
							'data' : 'wpforms-one-third'
						}
					],
					'layout-6' : [
						{
							'class': 'one-fourth',
							'data' : 'wpforms-one-fourth wpforms-first'
						},
						{
							'class': 'one-fourth',
							'data' : 'wpforms-one-fourth'
						},
						{
							'class': 'two-fourth',
							'data' : 'wpforms-two-fourths'
						}
					],
					'layout-7' : [
						{
							'class': 'two-fourth',
							'data' : 'wpforms-two-fourths wpforms-first'
						},
						{
							'class': 'one-fourth',
							'data' : 'wpforms-one-fourth'
						},
						{
							'class': 'one-fourth',
							'data' : 'wpforms-one-fourth'
						}
					],
					'layout-8' : [
						{
							'class': 'one-fourth',
							'data' : 'wpforms-one-fourth wpforms-first'
						},
						{
							'class': 'two-fourth',
							'data' : 'wpforms-two-fourths'
						},
						{
							'class': 'one-fourth',
							'data' : 'wpforms-one-fourth'
						}
					]
				};

if ( $this.hasClass('layout-selector-showing') ) {

// Selector is showing, so hide/remove it
				var $selector = $label.next('.layout-selector-display');
				$selector.slideUp(400, function() {
					$selector.remove();
				});
				$this.find('span').text(wpforms_builder.layout_selector_show);
			} else {

// Create selector options
				var layoutOptions = '<div class="layout-selector-display">';

layoutOptions += '<p class="heading">'+wpforms_builder.layout_selector_layout+'</p>';
					for(var key in layouts) {
						var layout = layouts[key];
						layoutOptions += '<div class="layout-selector-display-layout">';
						for(var key in layout) {
							layoutOptions += '<span class="'+layout[key].class+'" data-classes="'+layout[key].data+'"></span>';
						}
						layoutOptions += '</div>';
					}
				layoutOptions += '</div>';

$label.after(layoutOptions);
				$label.next('.layout-selector-display').slideDown();
				$this.find('span').text(wpforms_builder.layout_selector_hide);
			}

$this.toggleClass('layout-selector-showing');
		},

/**
		 * Field layout selector, selecting a layout.
		 *
		 * @since 1.3.7
		 */
		fieldLayoutSelectorLayout: function(el) {

var $this   = $(el),
				$label  = $this.closest('label');

$this.parent().find('.layout-selector-display-layout').not($this).remove();
			$this.parent().find('.heading').text(wpforms_builder.layout_selector_column);
			$this.toggleClass('layout-selector-display-layout layout-selector-display-columns')
		},

/**
		 * Field layout selector, insert into class field.
		 *
		 * @since 1.3.7
		 */
		fieldLayoutSelectorInsert: function(el) {
			var $this     = $(el),
				$selector = $this.closest('.layout-selector-display'),
				$parent   = $selector.parent(),
				$label    = $parent.find('label'),
				$input    = $parent.find('input[type=text]'),
				classes   = $this.data('classes');

if ( $input.val() ) {
				classes = ' ' + classes;
			}

$input.insertAtCaret(classes);

// remove list, all done!
			$selector.slideUp(400, function() {
				$selector.remove();
			});

$label.find('.toggle-layout-selector-display').removeClass('layout-selector-showing');
			$label.find('.toggle-layout-selector-display span').text(wpforms_builder.layout_selector_show);
		},

//--------------------------------------------------------------------//
		// Settings Panel
		//--------------------------------------------------------------------//

/**
		 * Element bindings for Settings panel.
		 *
		 * @since 1.0.0
		 */
		bindUIActionsSettings: function() {

// Clicking form title/desc opens Settings panel
			$builder.on('click', '.wpforms-title-desc, .wpforms-field-submit-button, .wpforms-center-form-name', function(e) {
				e.preventDefault();
				app.panelSwitch('settings');
				if ( $(this).hasClass( 'wpforms-center-form-name' ) || $(this).hasClass( 'wpforms-title-desc' ) ) {
					setTimeout( function() {
						$( '#wpforms-panel-field-settings-form_title' ).focus();
					}, 300 );
				}
			});

// Clicking form previous page break button
			$builder.on( 'click', '.wpforms-field-pagebreak-last button', function( e ) {
				e.preventDefault();
				app.panelSwitch( 'settings' );
				$( '#wpforms-panel-field-settings-pagebreak_prev' ).focus();
			} );

// Clicking form last page break button
			$builder.on( 'input', '#wpforms-panel-field-settings-pagebreak_prev', function() {
				$( '.wpforms-field-pagebreak-last button' ).text( $( this ).val() );
			} );

// Real-time updates for editing the form title
			$builder.on( 'input', '#wpforms-panel-field-settings-form_title, #wpforms-setup-name', function() {

var title = $.trim( $( this ).val() );

$( '.wpforms-preview .wpforms-form-name' ).text( title );
				$( '.wpforms-center-form-name.wpforms-form-name' ).text( title );
				app.trimFormTitle();
			} );

// Real-time updates for editing the form description
			$builder.on('input', '#wpforms-panel-field-settings-form_desc', function(){
				$('.wpforms-form-desc').text( $(this).val() );
			});

// Real-time updates for editing the form submit button
			$builder.on('input', '#wpforms-panel-field-settings-submit_text', function(){
				$('.wpforms-field-submit input[type=submit]').val( $(this).val() );
			});

// Toggle form reCAPTCHA setting
			$builder.on('change', '#wpforms-panel-field-settings-recaptcha', function() {
				app.recaptchaToggle();
			});

// Toggle form confirmation setting fields
			$builder.on('change', '.wpforms-panel-field-confirmations-type', function() {
				app.confirmationFieldsToggle( $(this) );
			});

// Toggle form notification setting fields
			$builder.on('change', '#wpforms-panel-field-settings-notification_enable', function() {
				app.notificationToggle();
			});

// Add new settings block
			$builder.on('click', '.wpforms-builder-settings-block-add', function(e) {
				e.preventDefault();
				if ( ! wpforms_builder.pro ) {
					return;
				}
				app.settingsBlockAdd( $(this) );
			});

// Edit settings block name
            $builder.on('click', '.wpforms-builder-settings-block-edit', function(e) {
                e.preventDefault();

var $el = $(this);

if ( $el.parents('.wpforms-builder-settings-block-header').find('.wpforms-builder-settings-block-name').hasClass('editing') ) {
					app.settingsBlockNameEditingHide( $el );
				} else {
					app.settingsBlockNameEditingShow( $el );
				}
			});

// Update settings block name and close editing interface
            $builder.on('blur', '.wpforms-builder-settings-block-name-edit input', function(e) {
				// Do not fire if for onBlur user clicked on edit button - it has own event processing.
            	if ( ! $(e.relatedTarget).hasClass('wpforms-builder-settings-block-edit')) {
					app.settingsBlockNameEditingHide( $(this) );
				}
            });

// Close settings block editing interface with pressed Enter
			$builder.on('keypress', '.wpforms-builder-settings-block-name-edit input', function(e) {
				// On Enter - hide editing interface.
				if (e.keyCode === 13) {
					app.settingsBlockNameEditingHide( $(this) );

// We need this preventDefault() to stop jumping to form name editing input.
					e.preventDefault();
				}
			});

// Toggle settings block - slide up or down
			$builder.on('click', '.wpforms-builder-settings-block-toggle', function(e) {
				e.preventDefault();

app.settingsBlockPanelToggle( $(this) );
			});

// Remove settings block
			$builder.on('click', '.wpforms-builder-settings-block-delete', function(e) {
				e.preventDefault();
				app.settingsBlockDelete( $(this) );
			});
		},

/**
		 * Toggle displaying the ReCAPTCHA.
		 *
		 * @since 1.0.0
		 */
		recaptchaToggle: function() {

var $recaptchaPreview = $( '.wpforms-field-recaptcha' );

if ( $recaptchaPreview.length ) {
				if ( $( '#wpforms-panel-field-settings-recaptcha' ).is( ':checked' ) ) {
					$recaptchaPreview.show();
				} else {
					$recaptchaPreview.hide();
				}
			}
		},

/**
		 * Setup the Confirmation blocks.
		 *
		 * @since 1.4.8
		 */
		confirmationsSetup: function() {

// Toggle the setting fields in each confirmation block.
			$( '.wpforms-panel-field-confirmations-type' ).each( function() {
				app.confirmationFieldsToggle( $( this ) );
			} );

// Init TinyMCE in each confirmation block.
			$( '.wpforms-panel-field-confirmations-message' ).each( function() {
				if ( typeof tinymce !== 'undefined' && typeof wp.editor !== 'undefined' ) {
					wp.editor.initialize( $( this ).attr( 'id' ), s.tinymceDefaults );
				}
			} );

// Validate Confirmation Redirect URL.
			$builder.on( 'focusout', '.wpforms-panel-field-confirmations-redirect', function( event ) {

var $field = $( this ),
					url = $field.val().trim();

$field.val( url );

if ( wpf.isURL( url ) || url === '' ) {
					return;
				}

$.confirm( {
					title: wpforms_builder.heads_up,
					content: wpforms_builder.redirect_url_field_error,
					backgroundDismiss: false,
					closeIcon: false,
					icon: 'fa fa-exclamation-circle',
					type: 'orange',
					buttons: {
						confirm: {
							text: wpforms_builder.ok,
							btnClass: 'btn-confirm',
							action: function() {
								$field.focus();
							},
						},
					},
				} );
			} );
		},

/**
		 * Toggle the different form Confirmation setting fields.
		 *
		 * @since 1.4.8
		 */
		confirmationFieldsToggle: function($el) {
			if ( ! $el.length ) {
				return false;
			}

var type = $el.val();
			var $block = $el.closest('.wpforms-builder-settings-block-content');

$block.find('.wpforms-panel-field')
				.not($el.parent())
				.not('.wpforms-conditionals-enable-toggle')
				.hide();
			$block.find('.wpforms-panel-field-confirmations-'+type).closest('.wpforms-panel-field').show();
			if (type === 'message') {
				$block.find('.wpforms-panel-field-confirmations-message_scroll').parent().show();
			}
		},

/**
		 * Toggle the displaying notification settings depending on if the
		 * notifications are enabled.
		 *
		 * @since 1.1.9
		 */
		notificationToggle: function() {
			var $notification = $('#wpforms-panel-field-settings-notification_enable');
			if ( $notification.find('option:selected').val() === '0'){
				$notification.parent().parent().find('.wpforms-builder-settings-block').hide();
			} else {
				$notification.parent().parent().find('.wpforms-builder-settings-block').show();
			}
		},

/**
		 * Add new settings block.
		 *
		 * @since 1.4.8
		 */
		settingsBlockAdd: function($el) {

var nextID = Number( $el.attr( 'data-next-id' ) ),
				blockType = $el.data( 'block-type' ),
				namePrompt = wpforms_builder[ blockType + '_prompt' ],
				nameField = '<input autofocus="" type="text" id="settings-block-name" placeholder="' + wpforms_builder[ blockType + '_ph' ] + '">',
				nameError = '<p class="error">' + wpforms_builder[ blockType + '_error' ] + '</p>',
				modalContent = namePrompt + nameField + nameError;

var modal = $.confirm( {
				container: $builder,
				title: false,
				content: modalContent,
				icon: 'fa fa-info-circle',
				type: 'blue',
				buttons: {
					confirm: {
						text: wpforms_builder.ok,
						btnClass: 'btn-confirm',
						keys: [ 'enter' ],
						action: function() {

var settingsBlockName = $.trim( this.$content.find( 'input#settings-block-name' ).val() ),
								error = this.$content.find( '.error' );

if ( settingsBlockName === '' ) {
								error.show();
								return false;
							} else {
								var $firstSettingsBlock = $el.closest( '.wpforms-panel-content-section' ).find( '.wpforms-builder-settings-block' ).first(),
									$newSettingsBlock = $firstSettingsBlock.clone(),
									newSettingsBlock;

$newSettingsBlock.attr( 'data-block-id', nextID );
								$newSettingsBlock.find( '.wpforms-builder-settings-block-header span' ).text( settingsBlockName );
								$newSettingsBlock.find( 'input, textarea, select' ).each( function( index, el ) {
									var $this = $( this );
									if ( $this.attr( 'name' ) ) {
										$this.val( '' ).attr( 'name', $this.attr( 'name' ).replace( /\[(\d+)\]/, '[' + nextID + ']' ) );
										if ( $this.is( 'select' ) ) {
											$this.find( 'option' ).prop( 'selected', false ).attr( 'selected', false );
											$this.find( 'option:first' ).prop( 'selected', true ).attr( 'selected', 'selected' );
										} else if ( $this.attr( 'type' ) === 'checkbox' ) {
											$this.prop( 'checked', false ).attr( 'checked', false ).val( '1' );
										} else {
											$this.val( '' ).attr( 'value', '' );
										}
									}
								} );

$newSettingsBlock.find( '.wpforms-builder-settings-block-header input' ).val( settingsBlockName ).attr( 'value', settingsBlockName );

if ( blockType === 'notification' ) {
									$newSettingsBlock.find( '.email-msg textarea' ).val( '{all_fields}' ).attr( 'value', '{all_fields}' );
									$newSettingsBlock.find( '.email-recipient input' ).val( '{admin_email}' ).attr( 'value', '{admin_email}' );
								}

if ( blockType === 'confirmation' ) {
									$newSettingsBlock.removeClass( 'wpforms-confirmation-default' );
									$newSettingsBlock.find( '.wpforms-panel-field-textarea' ).remove();
									if ( typeof WPForms !== 'undefined' ) {
										$newSettingsBlock.find( '.wpforms-panel-field-confirmations-type-wrap' )
											.after( WPForms.Admin.Builder.Templates
												.get( 'wpforms-builder-confirmations-message-field' )( {
													id: nextID,
												} )
											);
									}
								}

// Conditional logic, if present
								var $conditionalLogic = $newSettingsBlock.find( '.wpforms-conditional-block' );
								if ( $conditionalLogic.length && typeof WPForms !== 'undefined' ) {
									$conditionalLogic
										.html( WPForms.Admin.Builder.Templates
											.get( 'wpforms-builder-conditional-logic-toggle-field' )( {
												id: nextID,
												type: blockType,
												actions: JSON.stringify( $newSettingsBlock.find( '.wpforms-panel-field-conditional_logic-checkbox' ).data( 'actions' ) ),
												actionDesc: $newSettingsBlock.find( '.wpforms-panel-field-conditional_logic-checkbox' ).data( 'action-desc' ),
											} )
										);
								}

newSettingsBlock = $newSettingsBlock.wrap( '<div>' ).parent().html();
								newSettingsBlock = newSettingsBlock.replace( /\[conditionals\]\[(\d+)\]\[(\d+)\]/g, '[conditionals][0][0]' );

$firstSettingsBlock.before( newSettingsBlock );

if ( blockType === 'confirmation' ) {
									app.confirmationFieldsToggle( $( '.wpforms-panel-field-confirmations-type' ).first() );
								}

if ( typeof tinymce !== 'undefined' && typeof wp.editor !== 'undefined' && blockType === 'confirmation' ) {
									wp.editor.initialize( 'wpforms-panel-field-confirmations-message-' + nextID, s.tinymceDefaults );
								}

$el.attr( 'data-next-id', nextID + 1 );

// Re-init tooltips for new section.
								wpf.initTooltips();
							}
						},
					},
					cancel: {
						text: wpforms_builder.cancel,
					},
				},
			} );

// We need to process this event here, because we need a confirm modal object defined, so we can intrude into it.
			// Pressing Enter will click the Ok button.
			$builder.on( 'keypress', '#settings-block-name', function( e ) {

if ( e.keyCode === 13 ) {
					$( modal.buttons.confirm.el ).trigger( 'click' );
				}
			} );
		},

/**
		 * Show settings block editing interface.
		 *
		 * @since 1.4.8
		 */
		settingsBlockNameEditingShow: function ($el) {

var header_holder = $el.parents('.wpforms-builder-settings-block-header'),
				name_holder   = header_holder.find('.wpforms-builder-settings-block-name');

name_holder
				.addClass('editing')
				.hide();

// Make the editing interface active and in focus
			header_holder.find('.wpforms-builder-settings-block-name-edit').addClass('active');
			wpf.focusCaretToEnd(header_holder.find('input'));
		},

/**
		 * Update settings block name and hide editing interface.
		 *
		 * @since 1.4.8
		 */
		settingsBlockNameEditingHide: function ($el) {

var header_holder = $el.parents('.wpforms-builder-settings-block-header'),
				name_holder   = header_holder.find('.wpforms-builder-settings-block-name'),
				edit_holder   = header_holder.find('.wpforms-builder-settings-block-name-edit'),
				current_name  = edit_holder.find('input').val().trim(),
				blockType     = $el.closest('.wpforms-builder-settings-block').data('block-type');

// Provide a default value for empty settings block name.
			if (! current_name.length) {
				current_name = wpforms_builder[blockType + '_def_name'];
			}

// This is done for sanitizing.
			edit_holder.find('input').val(current_name);
			name_holder.text(current_name);

// Editing should be hidden, displaying - active.
			name_holder
				.removeClass('editing')
				.show();
			edit_holder.removeClass('active');
		},

/**
		 * Show or hide settings block panel content.
		 *
		 * @since 1.4.8
		 */
		settingsBlockPanelToggle: function($el) {

var $settingsBlock = $el.closest('.wpforms-builder-settings-block'),
				settingsBlockId = $settingsBlock.data('block-id'),
				settingsBlockType = $settingsBlock.data('block-type'),
				$content = $settingsBlock.find('.wpforms-builder-settings-block-content'),
				is_visible = $content.is(':visible');

$content.slideToggle({
				duration: 400,
				start: function () {
					// Send early to save fast.
					// It's animation start, so we should save the state for animation end (reversed).
					$.post(wpforms_builder.ajax_url, {
						action: 'wpforms_builder_settings_block_state_save',
						state: is_visible ? 'closed' : 'opened',
						form_id: s.formID,
						block_id: settingsBlockId,
						block_type: settingsBlockType,
						nonce : wpforms_builder.nonce
					});
				},
				always: function() {
					if ($content.is(':visible')) {
						$el.html('<i class="fa fa-chevron-up"></i>');
					} else {
						$el.html('<i class="fa fa-chevron-down"></i>');
					}
				}
			});
		},

/**
		 * Delete settings block.
		 *
		 * @since 1.4.8
		 */
		settingsBlockDelete: function($el) {

var $current_block = $el.closest('.wpforms-builder-settings-block'),
				blockType      = $current_block.data('block-type');

$.confirm({
				title: false,
				content: wpforms_builder[blockType + '_delete'],
				icon: 'fa fa-exclamation-circle',
				type: 'orange',
				buttons: {
					confirm: {
						text: wpforms_builder.ok,
						btnClass: 'btn-confirm',
						keys: ['enter'],
						action: function () {
							var settingsBlock = $el.closest('.wpforms-panel-content-section').find('.wpforms-builder-settings-block');

if ( settingsBlock.length <= 1 ) {
								$.alert({
									title: false,
									content: wpforms_builder[blockType + '_error2'],
									icon: 'fa fa-exclamation-circle',
									type: 'orange',
									buttons: {
										confirm: {
											text: wpforms_builder.ok,
											btnClass: 'btn-confirm',
											keys: ['enter']
										}
									}
								});
							} else {
								var settingsBlockId = $current_block.data('block-id'),
									settingsBlockType = $current_block.data('block-type');

$.post( wpforms_builder.ajax_url, {
									action    : 'wpforms_builder_settings_block_state_remove',
									nonce     : wpforms_builder.nonce,
									block_id  : settingsBlockId,
									block_type: settingsBlockType,
									form_id   : s.formID,
								} );

$current_block.remove();
							}
						}
					},
					cancel: {
						text: wpforms_builder.cancel
					}
				}
			});
		},

//--------------------------------------------------------------------//
		// Save and Exit
		//--------------------------------------------------------------------//

/**
		 * Element bindings for Embed and Save/Exit items.
		 *
		 * @since 1.0.0
		 * @since 1.5.8 Added trigger on `wpformsSaved` event to remove a `newform` URL-parameter.
		 */
		bindUIActionsSaveExit: function() {

// Embed form.
			$builder.on( 'click', '#wpforms-embed', function( e ) {
				e.preventDefault();
				var content = wpforms_builder.embed_modal,
					videoId = wpforms_builder.is_gutenberg ? '_29nTiDvmLw' : 'IxGVz3AjEe0';

content += '<input type=\'text\' value=\'[wpforms id="' + s.formID + '" title="false" description="false"]\' readonly id=\'wpforms-embed-shortcode\'>';
				content += wpforms_builder.embed_modal_2;
				content += '<br><br><iframe width="600" height="338" src="https://www.youtube-nocookie.com/embed/' + videoId + '?rel=0&amp;showinfo=0" frameborder="0" allowfullscreen></iframe>';

$.alert( {
					columnClass: 'modal-wide',
					title: false,
					content: content,
					boxWidth: '650px',
					buttons: {
						confirm: {
							text: wpforms_builder.close,
							btnClass: 'btn-confirm',
							keys: [ 'enter' ],
						},
					},
				} );
			} );

// Save form.
			$builder.on( 'click', '#wpforms-save', function( e ) {
				e.preventDefault();
				app.formSave( false );
			} );

// Exit builder.
			$builder.on( 'click', '#wpforms-exit', function( e ) {
				e.preventDefault();
				app.formExit();
			} );

// After form save.
			$builder.on( 'wpformsSaved', function( e, data ) {

/**
				 * Remove `newform` parameter, if it's in URL, otherwise we can to get a "race condition".
				 * E.g. form settings will be updated before some provider connection is loaded.
				 */
				wpf.removeQueryParam( 'newform' );
			} );
		},

/**
		 * Save form.
		 *
		 * @since 1.0.0
		 */
		formSave: function(redirect) {

var $saveBtn = $('#wpforms-save'),
				$icon    = $saveBtn.find('i'),
				$label   = $saveBtn.find('span'),
				text     = $label.text();

if (typeof tinyMCE !== 'undefined') {
				tinyMCE.triggerSave();
			}

$label.text(wpforms_builder.saving);
			$icon.toggleClass('fa-check fa-cog fa-spin');

/**
		 * Exit form builder.
		 *
		 * @since 1.0.0
		 */
		formExit: function() {

if ( app.formIsSaved() ) {
				window.location.href = wpforms_builder.exit_url;
			} else {
				$.confirm({
					title: false,
					content: wpforms_builder.exit_confirm,
					icon: 'fa fa-exclamation-circle',
					type: 'orange',
					backgroundDismiss: false,
					closeIcon: false,
					buttons: {
						confirm: {
							text: wpforms_builder.save_exit,
							btnClass: 'btn-confirm',
							keys: ['enter'],
							action: function(){
								app.formSave(true);
							}
						},
						cancel: {
							text: wpforms_builder.exit,
							action: function(){
								close_confirmation = false;
								window.location.href = wpforms_builder.exit_url;
							}
						}
					}
				});
			}
		},

/**
		 * Check current form state.
		 *
		 * @since 1.0.0
		 */
		formIsSaved: function() {

if ( wpf.savedState == wpf.getFormState( '#wpforms-builder-form' ) ) {
				return true;
			} else {
				return false;
			}
		},

//--------------------------------------------------------------------//
		// General / global
		//--------------------------------------------------------------------//

/**
		 * Element bindings for general and global items
		 *
		 * @since 1.2.0
		 */
		bindUIActionsGeneral: function() {

// Toggle Smart Tags
			$builder.on('click', '.toggle-smart-tag-display', function(e) {
				e.preventDefault();
				app.smartTagToggle(this);
			});

$builder.on('click', '.smart-tags-list-display a', function(e) {
				e.preventDefault();
				app.smartTagInsert(this);
			});

// Field map table, update key source
			$builder.on('input', '.wpforms-field-map-table .key-source', function(){
				var value = $(this).val(),
					$dest = $(this).parent().parent().find('.key-destination'),
					name  = $dest.data('name');
					if (value) {
						$dest.attr('name', name.replace('{source}', value.replace(/[^0-9a-zA-Z_-]/gi, '')));
					}
			});

// Field map table, delete row
			$builder.on('click', '.wpforms-field-map-table .remove', function(e) {
				e.preventDefault();
				app.fieldMapTableDeleteRow(e, $(this));
			});

// Field map table, Add row
			$builder.on('click', '.wpforms-field-map-table .add', function(e) {
				e.preventDefault();
				app.fieldMapTableAddRow(e, $(this));
			});

// Global select field mapping
			$(document).on('wpformsFieldUpdate', app.fieldMapSelect);

// Restrict user money input fields
			$builder.on('input', '.wpforms-money-input', function(event) {
				var $this = $(this),
					amount = $this.val(),
					start  = $this[0].selectionStart,
					end    = $this[0].selectionEnd;
				$this.val(amount.replace(/[^0-9.,]/g, ''));
				$this[0].setSelectionRange(start,end);
			});

// Format user money input fields
			$builder.on('focusout', '.wpforms-money-input', function(event) {
				var $this     = $(this),
					amount    = $this.val(),
					sanitized = wpf.amountSanitize(amount),
					formatted = wpf.amountFormat(sanitized);
				$this.val(formatted);
			});

// Don't allow users to enable payments if storing entries has
			// been disabled in the General settings.
			$builder.on('change', '#wpforms-panel-field-stripe-enable, #wpforms-panel-field-paypal_standard-enable', function(event) {
				var $this = $(this);
				if ( $this.prop('checked') ) {
					var disabled = $('#wpforms-panel-field-settings-disable_entries').prop('checked');
					if ( disabled ) {
						$.confirm({
							title: wpforms_builder.heads_up,
							content: wpforms_builder.payments_entries_off,
							backgroundDismiss: false,
							closeIcon: false,
							icon: 'fa fa-exclamation-circle',
							type: 'orange',
							buttons: {
								confirm: {
									text: wpforms_builder.ok,
									btnClass: 'btn-confirm'
								}
							}
						});
						$this.prop('checked',false);
					}
				}
			});

// Don't allow users to disable entries if payments has been enabled.
			$builder.on( 'change', '#wpforms-panel-field-settings-disable_entries', function( event ) {
				var $this = $( this );
				if ( $this.prop( 'checked' ) ) {
					var paymentsEnabled = $( '#wpforms-panel-field-stripe-enable' ).prop( 'checked' ) || $( '#wpforms-panel-field-paypal_standard-enable' ).prop( 'checked' );
					if ( paymentsEnabled ) {
						$.confirm( {
							title: wpforms_builder.heads_up,
							content: wpforms_builder.payments_on_entries_off,
							backgroundDismiss: false,
							closeIcon: false,
							icon: 'fa fa-exclamation-circle',
							type: 'orange',
							buttons: {
								confirm: {
									text: wpforms_builder.ok,
									btnClass: 'btn-confirm',
								},
							},
						} );
						$this.prop( 'checked', false );
					}
				}
			} );

// Upload or add an image.
			$builder.on( 'click', '.wpforms-image-upload-add', function( event ) {

event.preventDefault();

var $this      = $( this ),
					$container = $this.parent(),
					mediaModal;

mediaModal = wp.media.frames.wpforms_media_frame = wp.media({
						className: 'media-frame wpforms-media-frame',
						frame:     'select',
						multiple:   false,
						title:      wpforms_builder.upload_image_title,
						library: {
							type: 'image'
						},
						button: {
							text: wpforms_builder.upload_image_button
						}
					});

mediaModal.on( 'select', function(){

var media_attachment = mediaModal.state().get( 'selection' ).first().toJSON();

$container.find( '.source' ).val( media_attachment.url );
						$container.find( '.preview'  ).empty();
						$container.find( '.preview'  ).prepend( '<a href="#" title="'+wpforms_builder.upload_image_remove+'" class="wpforms-image-upload-remove"><img src="'+media_attachment.url+'"></a>' );

if ( 'hide' === $this.data( 'after-upload' ) ) {
							$this.hide();
						}

$builder.trigger( 'wpformsImageUploadAdd', [ $this, $container ] );
					});

// Now that everything has been set, let's open up the frame.
					mediaModal.open();
			});

// Remove and uploaded image.
			$builder.on( 'click', '.wpforms-image-upload-remove', function( event ) {

event.preventDefault();

var $container = $( this ).parent().parent();

$container.find( '.preview' ).empty();
				$container.find( '.wpforms-image-upload-add' ).show();
				$container.find( '.source' ).val( '' );

$builder.trigger( 'wpformsImageUploadRemove', [ $( this ), $container ] );
			});

// Validate email smart tags in Notifications fields.
			$builder.on( 'blur', '.wpforms-notification .wpforms-panel-field-text input', function() {
				app.validateEmailSmartTags( $( this ) );
			});
			$builder.on( 'blur', '.wpforms-notification .wpforms-panel-field-textarea textarea', function() {
				app.validateEmailSmartTags( $( this ) );
			});

// Mobile notice button click.
			$builder.on( 'click', '#wpforms-builder-mobile-notice button', app.exitBack );

// License Alert close button click.
			$( '#wpforms-builder-license-alert .close' ).on( 'click', app.exitBack );
		},

/**
		 * Smart Tag toggling.
		 *
		 * @since 1.0.1
		 */
		smartTagToggle: function( el ) {

var $this = $( el ),
				$label = $this.closest( 'label' );

if ( $this.hasClass( 'smart-tag-showing' ) ) {

// Smart tags are showing, so hide/remove them
				var $list = $label.next( '.smart-tags-list-display' );
				$list.slideUp( 400, function() {
					$list.remove();
				} );
				$this.find( 'span' ).text( wpforms_builder.smart_tags_show );
			}
			else {

// Show all fields or narrow to specific field types
				var allowed = $this.data( 'fields' ),
					type = $this.data( 'type' ),
					fields = [];

if ( allowed && allowed.length ) {
					fields = wpf.getFields( allowed.split( ',' ), true );
				}
				else {
					fields = wpf.getFields( false, true );
				}

// Create smart tags list
				var smartTagList = '<ul class="smart-tags-list-display">';

if ( type === 'fields' || type === 'all' ) {
					if ( ! fields ) {
						smartTagList += '<li class="heading">' + wpforms_builder.fields_unavailable + '</li>';
					}
					else {
						smartTagList += '<li class="heading">' + wpforms_builder.fields_available + '</li>';

for ( var field_key in wpf.orders.fields ) {

var field_id = wpf.orders.fields[field_key];
							var label = '';

if ( ! fields[ field_id ] ) {
								continue;
							}

if ( fields[ field_id ].label ) {
								label = wpf.sanitizeString( fields[ field_id ].label );
							}
							else {
								label = wpforms_builder.field + ' #' + fields[ field_id ].id;
							}
							smartTagList += '<li><a href="#" data-type="field" data-meta=\'' + fields[ field_id ].id + '\'>' + label + '</a></li>';
						}
					}
				}

var isFieldOption = $label.attr( 'for' ).indexOf( 'wpforms-field-option-' ) !== -1;

if ( type === 'other' || type === 'all' ) {
					smartTagList += '<li class="heading">' + wpforms_builder.other + '</li>';
					for ( var smarttag_key in wpforms_builder.smart_tags ) {
						if ( isFieldOption && wpforms_builder.smart_tags_disabled_for_fields.indexOf( smarttag_key ) > -1 ) {
							continue;
						}
						smartTagList += '<li><a href="#" data-type="other" data-meta=\'' + smarttag_key + '\'>' + wpforms_builder.smart_tags[ smarttag_key ] + '</a></li>';
					}
				}

smartTagList += '</ul>';

$label.after( smartTagList );
				$label.next( '.smart-tags-list-display' ).slideDown();
				$this.find( 'span' ).text( wpforms_builder.smart_tags_hide );
			}

$this.toggleClass( 'smart-tag-showing' );
		},

/**
		 * Smart Tag insert.
		 *
		 * @since 1.0.1
		 */
		smartTagInsert: function(el) {

var $this   = $(el),
				$list   = $this.closest('.smart-tags-list-display'),
				$parent = $list.parent(),
				$label  = $parent.find('label'),
				$input  = $parent.find('input[type=text]'),
				meta    = $this.data('meta'),
				type    = $this.data('type');

if ( ! $input.length ) {
				$input  = $parent.find('textarea');
			}

// insert smart tag
			if ( type === 'field' ) {
				$input.insertAtCaret('{field_id="'+meta+'"}');
			} else {
				$input.insertAtCaret('{'+meta+'}');
			}

// remove list, all done!
			$list.slideUp(400, function() {
				$list.remove();
			});

$label.find('.toggle-smart-tag-display span').text(wpforms_builder.smart_tags_show);
			$label.find('.toggle-smart-tag-display').removeClass('smart-tag-showing');
		},

/**
		 * Field map table - Delete row
		 *
		 * @since 1.2.0
		 */
		fieldMapTableDeleteRow: function(e, el) {

var $this = $(el),
				$row = $this.closest('tr'),
				$table = $this.closest('table'),
				total = $table.find('tr').length;

if (total > '1') {
				$row.remove();
			}
		},

/**
		 * Field map table - Add row
		 *
		 * @since 1.2.0
		 */
		fieldMapTableAddRow: function(e, el) {

var $this   = $(el),
				$row    = $this.closest('tr'),
				$table  = $this.closest('tbody'),
				choice  = $row.clone().insertAfter($row);

choice.find('input').val('');
			choice.find('select :selected').prop('selected', false);
			choice.find('.key-destination').attr('name','');
		},

/**
		 * Update field mapped select items on form updates.
		 *
		 * @since 1.2.0
		 */
		fieldMapSelect: function(e, fields) {

// Apply to all selects with identifier class
			$('.wpforms-field-map-select').each(function(index, el) {

var $this         = $(this),
					selected      = $this.find('option:selected').val(),
					allowedFields = $this.data('field-map-allowed'),
					placeholder   = $this.data('field-map-placeholder');

// Check if custom placeholder was provided
				if (typeof placeholder === 'undefined' ||  !placeholder) {
					placeholder = wpforms_builder.select_field;
				}

// Reset select add placeholder option
				$this.empty().append($('<option>', { value: '', text : placeholder }));

// If allowed fields are not defined, bail
				if (typeof allowedFields !== 'undefined' && allowedFields) {
					allowedFields = allowedFields.split(' ');
				} else {
					return;
				}

// If we have no fields for the form, bail
				if ( !fields || $.isEmptyObject(fields) ) {
					return;
				}

// Loop through the current fields
				//for(var field_key in fields) {
				for( key in wpf.orders.fields ) {
					var field_id = wpf.orders.fields[key],
						label    = '';

if ( ! fields[field_id] ) {
						continue;
					}

// Compile the label
					if ( typeof fields[field_id].label !== 'undefined' && fields[field_id].label.length ) {
						label = wpf.sanitizeHTML( fields[field_id].label );
					} else {
						label = wpforms_builder.field + ' #' + fields[field_id].val;
					}

// Add to select if it is a field type allowed
					if ($.inArray(fields[field_id].type, allowedFields) >= 0 || $.inArray('all-fields', allowedFields) >= 0) {
						$this.append($('<option>', { value: fields[field_id].id, text : label }));
					}
				}

// Restore previous value if found
				if (selected) {
					$this.find('option[value="'+selected+'"]').prop('selected',true);
				}
			});
		},

/**
		 * Validate email smart tags in Notifications fields.
		 *
		 * @param {object} $el Input field to check the value for.
		 *
		 * @since 1.4.9
		 */
		validateEmailSmartTags: function( $el ) {

var val = $el.val();
			if ( ! val ) {
				return;
			}

// Turns '{email@domain.com}' into 'email@domain.com'.
			// Email RegEx inspired by http://emailregex.com
			val = val.replace( /{(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))}/g, function( x ) {
				return x.slice( 1, -1 );
			} );
			$el.val( val );
		},

//--------------------------------------------------------------------//
		// Other functions
		//--------------------------------------------------------------------//

/**
		 * Trim long form titles.
		 *
		 * @since 1.0.0
		 */
		trimFormTitle: function() {

var $title = $( '.wpforms-center-form-name' );
			if ( $title.text().length > 38 ) {
				var shortTitle = $.trim( $title.text() ).substring( 0, 38 ).split( ' ' ).slice( 0, -1 ).join( ' ' ) + '...';
				$title.text( shortTitle );
			}
		},

/**
		 * Load or refresh color picker.
		 *
		 * @since 1.2.1
		 */
		loadColorPickers: function() {
			$('.wpforms-color-picker').minicolors();
		},

/**
		 * Hotkeys:
		 * Ctrl+P - Preview.
		 * Ctrl+E - Entries.
		 * Ctrl+S - Save.
		 *
		 * @since 1.2.4
		 */
		builderHotkeys: function() {

$( document ).keydown( function( e ) {

if ( ! e.ctrlKey ) {
					return;
				}

switch ( e.keyCode ) {
					case 80: // Open Form Preview tab on Ctrl+P.
						window.open( wpforms_builder.preview_url );
						break;

case 69: // Open Entries tab on Ctrl+E.
						window.open( wpforms_builder.entries_url );
						break;

case 83: // Trigger the Builder save on Ctrl+S.
						$( '#wpforms-save', $builder ).click();
						break;

default:
						return;
				}

return false;
			} );
		},

/**
		 * Register JS templates for various elements.
		 *
		 * @since 1.4.8
		 */
		registerTemplates: function () {
			if (typeof WPForms === 'undefined') {
				return;
			}
			WPForms.Admin.Builder.Templates.add([
				'wpforms-builder-confirmations-message-field',
				'wpforms-builder-conditional-logic-toggle-field'
			]);
		},

/**
		 * Exit builder.
		 *
		 * @since 1.5.7
		 */
		exitBack: function() {

if ( 1 < window.history.length && document.referrer ) {
				window.history.back();
			} else {
				window.location.href = wpforms_builder.exit_url;
			}
		},
	};

// Provide access to public functions/properties.
	return app;

}( document, window, jQuery ) );

WPFormsBuilder.init();

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