519 lines
16 KiB
JavaScript
519 lines
16 KiB
JavaScript
/**!
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* wp-color-picker-alpha
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*
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* Overwrite Automattic Iris for enabled Alpha Channel in wpColorPicker
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* Only run in input and is defined data alpha in true
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*
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* Version: 2.1.4
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* https://github.com/kallookoo/wp-color-picker-alpha
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* Licensed under the GPLv2 license or later.
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*/
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( function( $ ) {
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// Prevent double-init.
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if ( $.wp.wpColorPicker.prototype._hasAlpha ) {
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return;
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}
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// Variable for some backgrounds ( grid )
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var image = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAAHnlligAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAHJJREFUeNpi+P///4EDBxiAGMgCCCAGFB5AADGCRBgYDh48CCRZIJS9vT2QBAggFBkmBiSAogxFBiCAoHogAKIKAlBUYTELAiAmEtABEECk20G6BOmuIl0CIMBQ/IEMkO0myiSSraaaBhZcbkUOs0HuBwDplz5uFJ3Z4gAAAABJRU5ErkJggg==',
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// html stuff for wpColorPicker copy of the original color-picker.js
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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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_before = '<button type="button" class="button wp-color-result" aria-expanded="false"><span class="wp-color-result-text"></span></button>',
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_wrappingLabel = '<label></label>',
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_wrappingLabelText = '<span class="screen-reader-text"></span>',
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_deprecated = false;
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if ( 'undefined' !== typeof wp.i18n ) {
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var __ = wp.i18n.__,
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_colorValue = __( 'Color value' ),
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_selectColor = __( 'Select Color' ),
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_defaultString = __( 'Default' ),
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_defaultAriaLabel = __( 'Select default color' ),
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_clearString = __( 'Clear' ),
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_clearAriaLabel = __( 'Clear color' );
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} else if ( typeof wpColorPickerL10n !== "undefined" ) {
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// wpColorPickerL10n is defined in <= WordPress 5.4
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// Prevent CSS issues in < WordPress 4.9. current can only be checked if we know wpColorPickerL10n is defined
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_deprecated = ( typeof wpColorPickerL10n.current !== "undefined" );
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if ( _deprecated ) {
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// Update _before if wpColorPickerL10n.current is defined (< WP 4.9)
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_before = '<a tabindex="0" class="wp-color-result" />';
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}
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var _colorValue = wpColorPickerL10n.defaultLabel,
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_selectColor = wpColorPickerL10n.pick,
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_defaultString = wpColorPickerL10n.defaultString,
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_defaultAriaLabel = wpColorPickerL10n.defaultAriaLabel,
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_clearString = wpColorPickerL10n.clear,
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_clearAriaLabel = wpColorPickerL10n.clearAriaLabel;
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}
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/**
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* Overwrite Color
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* for enable support rbga
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*/
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Color.fn.toString = function() {
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if ( this._alpha < 1 )
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return this.toCSS( 'rgba', this._alpha ).replace( /\s+/g, '' );
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var hex = parseInt( this._color, 10 ).toString( 16 );
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if ( this.error )
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return '';
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if ( hex.length < 6 )
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hex = ( '00000' + hex ).substr( -6 );
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return '#' + hex;
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};
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/**
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* Overwrite wpColorPicker
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*/
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$.widget( 'wp.wpColorPicker', $.wp.wpColorPicker, {
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_hasAlpha: true,
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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 ( ! $.support.iris ) {
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return;
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}
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var self = this,
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el = self.element;
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// Override default options with options bound to the element.
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$.extend( self.options, el.data() );
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// 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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// Bind the close event.
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self.close = $.proxy( self.close, self );
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self.initialValue = el.val();
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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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if ( _deprecated ) {
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el.hide().wrap( _wrap );
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self.wrap = el.parent();
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self.toggler = $( _before )
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.insertBefore( el )
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.css( { backgroundColor : self.initialValue } )
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.attr( 'title', _selectColor )
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.attr( 'data-current', wpColorPickerL10n.current );
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self.pickerContainer = $( _after ).insertAfter( el );
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self.button = $( _button ).addClass('hidden');
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} else {
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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( _colorValue );
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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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// 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( _selectColor );
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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.addClass( 'wp-picker-default' ).val( _defaultString );
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if ( ! _deprecated ) {
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self.button.attr( 'aria-label', _defaultAriaLabel );
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}
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} else {
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self.button.addClass( 'wp-picker-clear' ).val( _clearString );
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if ( ! _deprecated ) {
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self.button.attr( 'aria-label', _clearAriaLabel );
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}
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}
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if ( _deprecated ) {
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el.wrap( '<span class="wp-picker-input-wrap" />' ).after( self.button );
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} else {
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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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* 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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if ( self.options.alpha ) {
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self.toggler.css( { 'background-image' : 'url(' + image + ')' } );
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if ( _deprecated ) {
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self.toggler.html( '<span class="color-alpha" />' );
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} else {
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self.toggler.css( {
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'position' : 'relative'
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} );
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if ( self.toggler.find('span.color-alpha').length == 0 ) {
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self.toggler.append('<span class="color-alpha" />');
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}
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}
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self.toggler.find( 'span.color-alpha' ).css( {
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'width' : '30px',
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'height' : '100%',
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'position' : 'absolute',
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'top' : 0,
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'left' : 0,
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'border-top-left-radius' : '2px',
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'border-bottom-left-radius' : '2px',
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'background' : ui.color.toString()
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} );
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} else {
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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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el.val( self.initialValue );
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self._addListeners();
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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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* @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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* @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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* @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.on( 'change', function( event ) {
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// Empty or Error = clear
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if ( $( this ).val() === '' || self.element.hasClass( 'iris-error' ) ) {
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if ( self.options.alpha ) {
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if ( _deprecated ) {
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self.toggler.removeAttr( 'style' );
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}
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self.toggler.find( 'span.color-alpha' ).css( 'backgroundColor', '' );
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} else {
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self.toggler.css( 'backgroundColor', '' );
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}
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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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* @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.on( 'click', function( event ) {
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if ( $( this ).hasClass( 'wp-picker-clear' ) ) {
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self.element.val( '' );
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if ( self.options.alpha ) {
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if ( _deprecated ) {
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self.toggler.removeAttr( 'style' );
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}
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self.toggler.find( 'span.color-alpha' ).css( 'backgroundColor', '' );
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} else {
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self.toggler.css( 'backgroundColor', '' );
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}
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if ( $.isFunction( self.options.clear ) )
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self.options.clear.call( this, event );
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self.element.trigger( 'change' );
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} else if ( $( this ).hasClass( 'wp-picker-default' ) ) {
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self.element.val( self.options.defaultColor ).change();
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}
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});
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},
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});
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/**
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* Overwrite iris
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*/
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$.widget( 'a8c.iris', $.a8c.iris, {
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_create: function() {
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this._super();
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// Global option for check is mode rbga is enabled
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this.options.alpha = this.element.data( 'alpha' ) || false;
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// Is not input disabled
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if ( ! this.element.is( ':input' ) )
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this.options.alpha = false;
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if ( typeof this.options.alpha !== 'undefined' && this.options.alpha ) {
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var self = this,
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el = self.element,
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_html = '<div class="iris-strip iris-slider iris-alpha-slider"><div class="iris-slider-offset iris-slider-offset-alpha"></div></div>',
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aContainer = $( _html ).appendTo( self.picker.find( '.iris-picker-inner' ) ),
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aSlider = aContainer.find( '.iris-slider-offset-alpha' ),
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controls = {
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aContainer : aContainer,
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aSlider : aSlider
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};
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if ( typeof el.data( 'custom-width' ) !== 'undefined' ) {
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self.options.customWidth = parseInt( el.data( 'custom-width' ) ) || 0;
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} else {
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self.options.customWidth = 100;
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}
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// Set default width for input reset
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self.options.defaultWidth = el.width();
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// Update width for input
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if ( self._color._alpha < 1 || self._color.toString().indexOf('rgb') != -1 )
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el.width( parseInt( self.options.defaultWidth + self.options.customWidth ) );
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// Push new controls
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$.each( controls, function( k, v ) {
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self.controls[k] = v;
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} );
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// Change size strip and add margin for sliders
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self.controls.square.css( { 'margin-right': '0' } );
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var emptyWidth = ( self.picker.width() - self.controls.square.width() - 20 ),
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stripsMargin = ( emptyWidth / 6 ),
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stripsWidth = ( ( emptyWidth / 2 ) - stripsMargin ) - 1;
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$.each( [ 'aContainer', 'strip' ], function( k, v ) {
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self.controls[v].width( stripsWidth ).css( { 'margin-left' : stripsMargin + 'px' } );
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} );
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// Add new slider
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self._initControls();
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// For updated widget
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self._change();
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}
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},
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_initControls: function() {
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this._super();
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if ( this.options.alpha ) {
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var self = this,
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controls = self.controls;
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controls.aSlider.slider({
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orientation : 'vertical',
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min : 0,
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max : 100,
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step : 1,
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value : parseInt( self._color._alpha * 100 ),
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slide : function( event, ui ) {
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// Update alpha value
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self._color._alpha = parseFloat( ui.value / 100 );
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self._change.apply( self, arguments );
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}
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});
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}
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},
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_change: function() {
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this._super();
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var self = this,
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el = self.element;
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if ( this.options.alpha ) {
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var controls = self.controls,
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alpha = parseInt( self._color._alpha * 100 ),
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color = self._color.toRgb(),
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gradient = [
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'rgb(' + color.r + ',' + color.g + ',' + color.b + ') 0%',
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'rgba(' + color.r + ',' + color.g + ',' + color.b + ', 0) 100%'
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],
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defaultWidth = self.options.defaultWidth,
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customWidth = self.options.customWidth,
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target = self.picker.closest( '.wp-picker-container' ).find( '.wp-color-result' );
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// Generate background slider alpha, only for CSS3 old browser fuck!! :)
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controls.aContainer.css( { 'background' : 'linear-gradient(to bottom, ' + gradient.join( ', ' ) + '), url(' + image + ')' } );
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if ( target.hasClass( 'wp-picker-open' ) ) {
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// Update alpha value
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controls.aSlider.slider( 'value', alpha );
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/**
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* Disabled change opacity in default slider Saturation ( only is alpha enabled )
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* and change input width for view all value
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*/
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if ( self._color._alpha < 1 ) {
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controls.strip.attr( 'style', controls.strip.attr( 'style' ).replace( /rgba\(([0-9]+,)(\s+)?([0-9]+,)(\s+)?([0-9]+)(,(\s+)?[0-9\.]+)\)/g, 'rgb($1$3$5)' ) );
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el.width( parseInt( defaultWidth + customWidth ) );
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} else {
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el.width( defaultWidth );
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}
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}
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}
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var reset = el.data( 'reset-alpha' ) || false;
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if ( reset ) {
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self.picker.find( '.iris-palette-container' ).on( 'click.palette', '.iris-palette', function() {
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self._color._alpha = 1;
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self.active = 'external';
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self._change();
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} );
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}
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el.trigger( 'change' );
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},
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_addInputListeners: function( input ) {
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var self = this,
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debounceTimeout = 100,
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callback = function( event ) {
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var color = new Color( input.val() ),
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val = input.val();
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input.removeClass( 'iris-error' );
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// we gave a bad color
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if ( color.error ) {
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// don't error on an empty input
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if ( val !== '' )
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input.addClass( 'iris-error' );
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} else {
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if ( color.toString() !== self._color.toString() ) {
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// let's not do this on keyup for hex shortcodes
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if ( ! ( event.type === 'keyup' && val.match( /^[0-9a-fA-F]{3}$/ ) ) )
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self._setOption( 'color', color.toString() );
|
|
}
|
|
}
|
|
};
|
|
|
|
input.on( 'change', callback ).on( 'keyup', self._debounce( callback, debounceTimeout ) );
|
|
|
|
// If we initialized hidden, show on first focus. The rest is up to you.
|
|
if ( self.options.hide ) {
|
|
input.on( 'focus', function() {
|
|
self.show();
|
|
} );
|
|
}
|
|
}
|
|
} );
|
|
}( jQuery ) );
|
|
|
|
// Auto Call plugin is class is color-picker
|
|
jQuery( document ).ready( function( $ ) {
|
|
$( '.color-picker' ).wpColorPicker();
|
|
} );
|