363 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			363 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /* global wpColorPickerL10n */
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| ( function( $, undef ) {
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| 
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| 	var ColorPicker,
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| 		_before = '<button type="button" class="button wp-color-result" aria-expanded="false"><span class="wp-color-result-text"></span></button>',
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| 		_after = '<div class="wp-picker-holder" />',
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| 		_wrap = '<div class="wp-picker-container" />',
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| 		_button = '<input type="button" class="button button-small" />',
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| 		_wrappingLabel = '<label></label>',
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| 		_wrappingLabelText = '<span class="screen-reader-text"></span>';
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| 
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| 	/**
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| 	 * @summary Creates a jQuery UI color picker.
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| 	 *
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| 	 * Creates a jQuery UI color picker that is used in the theme customizer.
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| 	 *
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| 	 * @since 3.5.0
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| 	 */
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| 	ColorPicker = {
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| 		options: {
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| 			defaultColor: false,
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| 			change: false,
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| 			clear: false,
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| 			hide: true,
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| 			palettes: true,
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| 			width: 255,
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| 			mode: 'hsv',
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| 			type: 'full',
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| 			slider: 'horizontal'
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| 		},
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| 		/**
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| 		 * @summary Creates a color picker that only allows you to adjust the hue.
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| 		 *
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| 		 * @since 3.5.0
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| 		 *
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| 		 * @access private
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| 		 *
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| 		 * @returns {void}
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| 		 */
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| 		_createHueOnly: function() {
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| 			var self = this,
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| 				el = self.element,
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| 				color;
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| 
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| 			el.hide();
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| 
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| 			// Set the saturation to the maximum level.
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| 			color = 'hsl(' + el.val() + ', 100, 50)';
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| 
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| 			// Create an instance of the color picker, using the hsl mode.
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| 			el.iris( {
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| 				mode: 'hsl',
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| 				type: 'hue',
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| 				hide: false,
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| 				color: color,
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| 				/**
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| 				 * @summary Handles the onChange event if one has been defined in the options.
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| 				 *
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| 				 * @param {Event} event    The event that's being called.
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| 				 * @param {HTMLElement} ui The HTMLElement containing the color picker.
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| 				 *
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| 				 * @returns {void}
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| 				 */
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| 				change: function( event, ui ) {
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| 					if ( $.isFunction( self.options.change ) ) {
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| 						self.options.change.call( this, event, ui );
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| 					}
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| 				},
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| 				width: self.options.width,
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| 				slider: self.options.slider
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| 			} );
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| 		},
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| 		/**
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| 		 * @summary Creates the color picker.
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| 		 *
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| 		 * Creates the color picker, sets default values, css classes and wraps it all in HTML.
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| 		 *
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| 		 * @since 3.5.0
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| 		 *
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| 		 * @access private
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| 		 *
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| 		 * @returns {void}
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| 		 */
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| 		_create: function() {
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| 			// Return early if Iris support is missing.
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| 			if ( ! $.support.iris ) {
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| 				return;
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| 			}
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| 
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| 			var self = this,
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| 				el = self.element;
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| 
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| 			// Override default options with options bound to the element.
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| 			$.extend( self.options, el.data() );
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| 
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| 			// Create a color picker which only allows adjustments to the hue.
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| 			if ( self.options.type === 'hue' ) {
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| 				return self._createHueOnly();
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| 			}
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| 
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| 			// Bind the close event.
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| 			self.close = $.proxy( self.close, self );
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| 
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| 			self.initialValue = el.val();
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| 
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| 			// Add a CSS class to the input field.
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| 			el.addClass( 'wp-color-picker' );
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| 
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| 			/*
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| 			 * Check if there's already a wrapping label, e.g. in the Customizer.
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| 			 * If there's no label, add a default one to match the Customizer template.
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| 			 */
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| 			if ( ! el.parent( 'label' ).length ) {
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| 				// Wrap the input field in the default label.
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| 				el.wrap( _wrappingLabel );
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| 				// Insert the default label text.
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| 				self.wrappingLabelText = $( _wrappingLabelText )
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| 					.insertBefore( el )
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| 					.text( wpColorPickerL10n.defaultLabel );
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| 			}
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| 
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| 			/*
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| 			 * At this point, either it's the standalone version or the Customizer
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| 			 * one, we have a wrapping label to use as hook in the DOM, let's store it.
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| 			 */
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| 			self.wrappingLabel = el.parent();
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| 
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| 			// Wrap the label in the main wrapper.
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| 			self.wrappingLabel.wrap( _wrap );
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| 			// Store a reference to the main wrapper.
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| 			self.wrap = self.wrappingLabel.parent();
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| 			// Set up the toggle button and insert it before the wrapping label.
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| 			self.toggler = $( _before )
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| 				.insertBefore( self.wrappingLabel )
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| 				.css( { backgroundColor: self.initialValue } );
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| 			// Set the toggle button span element text.
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| 			self.toggler.find( '.wp-color-result-text' ).text( wpColorPickerL10n.pick );
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| 			// Set up the Iris container and insert it after the wrapping label.
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| 			self.pickerContainer = $( _after ).insertAfter( self.wrappingLabel );
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| 			// Store a reference to the Clear/Default button.
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| 			self.button = $( _button );
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| 
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| 			// Set up the Clear/Default button.
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| 			if ( self.options.defaultColor ) {
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| 				self.button
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| 					.addClass( 'wp-picker-default' )
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| 					.val( wpColorPickerL10n.defaultString )
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| 					.attr( 'aria-label', wpColorPickerL10n.defaultAriaLabel );
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| 			} else {
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| 				self.button
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| 					.addClass( 'wp-picker-clear' )
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| 					.val( wpColorPickerL10n.clear )
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| 					.attr( 'aria-label', wpColorPickerL10n.clearAriaLabel );
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| 			}
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| 
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| 			// Wrap the wrapping label in its wrapper and append the Clear/Default button.
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| 			self.wrappingLabel
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| 				.wrap( '<span class="wp-picker-input-wrap hidden" />' )
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| 				.after( self.button );
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| 
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| 			/*
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| 			 * The input wrapper now contains the label+input+Clear/Default button.
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| 			 * Store a reference to the input wrapper: we'll use this to toggle
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| 			 * the controls visibility.
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| 			 */
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| 			self.inputWrapper = el.closest( '.wp-picker-input-wrap' );
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| 
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| 			el.iris( {
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| 				target: self.pickerContainer,
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| 				hide: self.options.hide,
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| 				width: self.options.width,
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| 				mode: self.options.mode,
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| 				palettes: self.options.palettes,
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| 				/**
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| 				 * @summary Handles the onChange event if one has been defined in the options.
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| 				 *
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| 				 * Handles the onChange event if one has been defined in the options and additionally
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| 				 * sets the background color for the toggler element.
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| 				 *
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| 				 * @since 3.5.0
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| 				 *
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| 				 * @param {Event} event    The event that's being called.
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| 				 * @param {HTMLElement} ui The HTMLElement containing the color picker.
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| 				 *
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| 				 * @returns {void}
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| 				 */
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| 				change: function( event, ui ) {
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| 					self.toggler.css( { backgroundColor: ui.color.toString() } );
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| 
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| 					if ( $.isFunction( self.options.change ) ) {
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| 						self.options.change.call( this, event, ui );
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| 					}
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| 				}
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| 			} );
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| 
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| 			el.val( self.initialValue );
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| 			self._addListeners();
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| 
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| 			// Force the color picker to always be closed on initial load.
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| 			if ( ! self.options.hide ) {
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| 				self.toggler.click();
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| 			}
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| 		},
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| 		/**
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| 		 * @summary Binds event listeners to the color picker.
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| 		 *
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| 		 * @since 3.5.0
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| 		 *
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| 		 * @access private
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| 		 *
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| 		 * @returns {void}
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| 		 */
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| 		_addListeners: function() {
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| 			var self = this;
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| 
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| 			/**
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| 			 * @summary Prevent any clicks inside this widget from leaking to the top and closing it.
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| 			 *
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| 			 * @since 3.5.0
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| 			 *
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| 			 * @param {Event} event The event that's being called.
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| 			 *
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| 			 * @returs {void}
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| 			 */
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| 			self.wrap.on( 'click.wpcolorpicker', function( event ) {
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| 				event.stopPropagation();
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| 			});
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| 
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| 			/**
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| 			 * @summary Open or close the color picker depending on the class.
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| 			 *
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| 			 * @since 3.5
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| 			 */
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| 			self.toggler.click( function(){
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| 				if ( self.toggler.hasClass( 'wp-picker-open' ) ) {
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| 					self.close();
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| 				} else {
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| 					self.open();
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| 				}
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| 			});
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| 
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| 			/**
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| 			 * @summary Checks if value is empty when changing the color in the color picker.
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| 			 *
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| 			 * Checks if value is empty when changing the color in the color picker.
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| 			 * If so, the background color is cleared.
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| 			 *
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| 			 * @since 3.5.0
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| 			 *
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| 			 * @param {Event} event The event that's being called.
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| 			 *
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| 			 * @returns {void}
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| 			 */
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| 			self.element.change( function( event ) {
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| 				var me = $( this ),
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| 					val = me.val();
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| 
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| 				if ( val === '' || val === '#' ) {
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| 					self.toggler.css( 'backgroundColor', '' );
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| 					// Fire clear callback if we have one.
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| 					if ( $.isFunction( self.options.clear ) ) {
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| 						self.options.clear.call( this, event );
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| 					}
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| 				}
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| 			});
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| 
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| 			/**
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| 			 * @summary Enables the user to clear or revert the color in the color picker.
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| 			 *
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| 			 * Enables the user to either clear the color in the color picker or revert back to the default color.
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| 			 *
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| 			 * @since 3.5.0
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| 			 *
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| 			 * @param {Event} event The event that's being called.
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| 			 *
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| 			 * @returns {void}
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| 			 */
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| 			self.button.click( function( event ) {
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| 				var me = $( this );
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| 				if ( me.hasClass( 'wp-picker-clear' ) ) {
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| 					self.element.val( '' );
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| 					self.toggler.css( 'backgroundColor', '' );
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| 					if ( $.isFunction( self.options.clear ) ) {
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| 						self.options.clear.call( this, event );
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| 					}
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| 				} else if ( me.hasClass( 'wp-picker-default' ) ) {
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| 					self.element.val( self.options.defaultColor ).change();
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| 				}
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| 			});
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| 		},
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| 		/**
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| 		 * @summary Opens the color picker dialog.
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| 		 *
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| 		 * @since 3.5.0
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| 		 *
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| 		 * @returns {void}
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| 		 */
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| 		open: function() {
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| 			this.element.iris( 'toggle' );
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| 			this.inputWrapper.removeClass( 'hidden' );
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| 			this.wrap.addClass( 'wp-picker-active' );
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| 			this.toggler
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| 				.addClass( 'wp-picker-open' )
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| 				.attr( 'aria-expanded', 'true' );
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| 			$( 'body' ).trigger( 'click.wpcolorpicker' ).on( 'click.wpcolorpicker', this.close );
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| 		},
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| 		/**
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| 		 * @summary Closes the color picker dialog.
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| 		 *
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| 		 * @since 3.5.0
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| 		 *
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| 		 * @returns {void}
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| 		 */
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| 		close: function() {
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| 			this.element.iris( 'toggle' );
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| 			this.inputWrapper.addClass( 'hidden' );
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| 			this.wrap.removeClass( 'wp-picker-active' );
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| 			this.toggler
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| 				.removeClass( 'wp-picker-open' )
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| 				.attr( 'aria-expanded', 'false' );
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| 			$( 'body' ).off( 'click.wpcolorpicker', this.close );
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| 		},
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| 		/**
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| 		 * @summary Returns iris object or sets new color.
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| 		 *
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| 		 * Returns the iris object if no new color is provided. If a new color is provided, it sets the new color.
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| 		 *
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| 		 * @param newColor {string|*} The new color to use. Can be undefined.
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| 		 *
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| 		 * @since 3.5.0
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| 		 *
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| 		 * @returns {string} The element's color
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| 		 */
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| 		color: function( newColor ) {
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| 			if ( newColor === undef ) {
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| 				return this.element.iris( 'option', 'color' );
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| 			}
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| 			this.element.iris( 'option', 'color', newColor );
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| 		},
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| 		/**
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| 		 * @summary Returns iris object or sets new default color.
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| 		 *
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| 		 * Returns the iris object if no new default color is provided.
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| 		 * If a new default color is provided, it sets the new default color.
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| 		 *
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| 		 * @param newDefaultColor {string|*} The new default color to use. Can be undefined.
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| 		 *
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| 		 * @since 3.5.0
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| 		 *
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| 		 * @returns {boolean|string} The element's color.
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| 		 */
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| 		defaultColor: function( newDefaultColor ) {
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| 			if ( newDefaultColor === undef ) {
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| 				return this.options.defaultColor;
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| 			}
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| 
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| 			this.options.defaultColor = newDefaultColor;
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| 		}
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| 	};
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| 
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| 	// Register the color picker as a widget.
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| 	$.widget( 'wp.wpColorPicker', ColorPicker );
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| }( jQuery ) );
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