/** * wp-color-picker-alpha * * Version 1.0 * Copyright (c) 2017 Elegant Themes. * Licensed under the GPLv2 license. * * Overwrite Automattic Iris for enabled Alpha Channel in wpColorPicker * Only run in input and is defined data alpha in true * Add custom colorpicker UI * * This is modified version made by Elegant Themes based on the work covered by * the following copyright: * * wp-color-picker-alpha Version: 1.1 * https://github.com/23r9i0/wp-color-picker-alpha * Copyright (c) 2015 Sergio P.A. (23r9i0). * Licensed under the GPLv2 license. */ ( function( $ ) { // Variable for some backgrounds var image = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAAHnlligAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAHJJREFUeNpi+P///4EDBxiAGMgCCCAGFB5AADGCRBgYDh48CCRZIJS9vT2QBAggFBkmBiSAogxFBiCAoHogAKIKAlBUYTELAiAmEtABEECk20G6BOmuIl0CIMBQ/IEMkO0myiSSraaaBhZcbkUOs0HuBwDplz5uFJ3Z4gAAAABJRU5ErkJggg=='; // html stuff for wpColorPicker copy of the original color-picker.js var _before = '', _after = '
', _wrap = '', _button = '', _close_button = '', _close_button_icon = ''; /** * Overwrite Color * for enable support rbga */ Color.fn.toString = function() { if ( this._alpha < 1 ) return this.toCSS( 'rgba', this._alpha ).replace( /\s+/g, '' ); var hex = parseInt( this._color, 10 ).toString( 16 ); if ( this.error ) return ''; if ( hex.length < 6 ) { for ( var i = 6 - hex.length - 1; i >= 0; i-- ) { hex = '0' + hex; } } return '#' + hex; }; /** * Overwrite wpColorPicker */ $.widget( 'wp.wpColorPicker', $.wp.wpColorPicker, { _create: function() { // bail early for unsupported Iris. if ( ! $.support.iris ) { return; } var self = this, el = self.element; $.extend( self.options, el.data() ); // keep close bound so it can be attached to a body listener self.close = $.proxy( self.close, self ); self.initialValue = el.val(); // Set up HTML structure, hide things el.addClass( 'wp-color-picker' ).hide().wrap( _wrap ); self.wrap = el.parent(); self.toggler = $( _before ).insertBefore( el ).css( { backgroundColor: self.initialValue } ).attr( 'title', wpColorPickerL10n.pick ).attr( 'data-current', wpColorPickerL10n.current ); self.pickerContainer = $( _after ).insertAfter( el ); self.button = $( _button ); self.close_button = $( _close_button ); if ( self.options.defaultColor ) { self.button.addClass( 'wp-picker-default' ).val( wpColorPickerL10n.defaultString ); } else { self.button.addClass( 'wp-picker-clear' ).val( wpColorPickerL10n.clear ); } el.wrap( '' ).after(self.button); if ( self.options.diviColorpicker ) { self.close_button.html( _close_button_icon ); el.after( self.close_button ); } el.iris( { target: self.pickerContainer, hide: self.options.hide, width: self.options.width, height: self.options.height, diviColorpicker: self.options.diviColorpicker, mode: self.options.mode, palettes: self.options.palettes, change: function( event, ui ) { if ( self.options.alpha ) { self.toggler.css( { 'background-image': 'url(' + image + ')' } ).html(''); self.toggler.find('span').css({ 'width': '100%', 'height': '100%', 'position': 'absolute', 'top': 0, 'left': 0, 'border-top-left-radius': '3px', 'border-bottom-left-radius': '3px', 'background': ui.color.toString() }); } else { self.toggler.css( { backgroundColor: ui.color.toString() } ); } // check for a custom cb if ( $.isFunction( self.options.change ) ) { self.options.change.call( this, event, ui ); } } } ); el.val( self.initialValue ); self._addListeners(); if ( ! self.options.hide ) { self.toggler.click(); } }, _addListeners: function() { var self = this; // prevent any clicks inside this widget from leaking to the top and closing it self.wrap.on( 'click.wpcolorpicker', function( event ) { event.stopPropagation(); }); self.toggler.click( function(){ if ( self.toggler.hasClass( 'wp-picker-open' ) ) { self.close(); } else { self.open(); } }); self.element.change( function( event ) { var me = $( this ), val = me.val(); // Empty or Error = clear if ( val === '' || self.element.hasClass('iris-error') ) { if ( self.options.alpha ) { self.toggler.css( 'backgroundColor', '' ); self.toggler.find('span').css( 'backgroundColor', '' ); } else { self.toggler.css( 'backgroundColor', '' ); } // fire clear callback if we have one if ( $.isFunction( self.options.clear ) ) { self.options.clear.call( this, event ); } } }); // open a keyboard-focused closed picker with space or enter self.toggler.on( 'keyup', function( event ) { if ( event.keyCode === 13 || event.keyCode === 32 ) { event.preventDefault(); self.toggler.trigger( 'click' ).next().focus(); } }); self.button.click( function( event ) { var me = $( this ); if ( me.hasClass( 'wp-picker-clear' ) ) { self.element.val( '' ); if ( self.options.alpha ) { self.toggler.css( 'backgroundColor', '' ); self.toggler.find('span').css( 'backgroundColor', '' ); } else { self.toggler.css( 'backgroundColor', '' ); } if ( $.isFunction( self.options.clear ) ) { self.options.clear.call( this, event ); } } else if ( me.hasClass( 'wp-picker-default' ) ) { self.element.val( self.options.defaultColor ).change(); } }); self.close_button.click( function( event ) { event.preventDefault(); self.close(); }); } }); /** * Overwrite iris */ $.widget( 'a8c.iris', $.a8c.iris, { _create: function() { this._super(); // Global option for check is mode rbga is enabled this.options.alpha = this.element.data( 'alpha' ) || false; // Is not input disabled if ( ! this.element.is( ':input' ) ) { this.options.alpha = false; } if ( typeof this.options.alpha !== 'undefined' && this.options.alpha ) { var self = this, el = self.element, _html = ' ', aContainer = $( _html ).appendTo( self.picker.find( '.iris-picker-inner' ) ), aSlider = aContainer.find( '.iris-slider-offset-alpha' ), controls = { aContainer: aContainer, aSlider: aSlider }; // Set default width for input reset self.options.defaultWidth = el.width(); // Update width for input if ( self._color._alpha < 1 || self._color.toString().indexOf('rgb') != 1 ) { el.width( parseInt( self.options.defaultWidth+100 ) ); } // Push new controls $.each( controls, function( k, v ){ self.controls[k] = v; }); // Change size strip and add margin for sliders self.controls.square.css({'margin-right': '0'}); var emptyWidth = ( self.picker.width() - self.controls.square.width() - 20 ), stripsMargin = emptyWidth/6, stripsWidth = (emptyWidth/2) - stripsMargin; $.each( [ 'aContainer', 'strip' ], function( k, v ) { self.controls[v].width( stripsWidth ).css({ 'margin-left': stripsMargin + 'px' }); }); // Add new slider self._initControls(); // For updated widget self._change(); } }, _initControls: function() { this._super(); if ( this.options.alpha ) { var self = this, controls = self.controls; controls.aSlider.slider({ orientation: 'vertical', min: 0, max: 100, step: 1, value: parseInt( self._color._alpha*100 ), slide: function( event, ui ) { // Update alpha value self._color._alpha = parseFloat( ui.value/100 ); self._change.apply( self, arguments ); } }); } }, _change: function() { this._super(); var self = this, el = self.element; if ( this.options.alpha ) { var controls = self.controls, alpha = parseInt( self._color._alpha*100 ), color = self._color.toRgb(), gradient = [ 'rgb(' + color.r + ',' + color.g + ',' + color.b + ') 0%', 'rgba(' + color.r + ',' + color.g + ',' + color.b + ', 0) 100%' ], defaultWidth = self.options.defaultWidth, target = self.picker.closest('.wp-picker-container').find( '.wp-color-result' ); // Generate background slider alpha, only for CSS3 old browser fuck!! :) controls.aContainer.css({ 'background': 'linear-gradient(to bottom, ' + gradient.join( ', ' ) + '), url(' + image + ')' }); if ( target.hasClass('wp-picker-open') ) { // Update alpha value controls.aSlider.slider( 'value', alpha ); /** * Disabled change opacity in default slider Saturation ( only is alpha enabled ) * and change input width for view all value */ if ( self._color._alpha < 1 ) { var style = controls.strip.attr( 'style' ).replace( /rgba\(([0-9]+,)(\s+)?([0-9]+,)(\s+)?([0-9]+)(,(\s+)?[0-9\.]+)\)/g, 'rgb($1$3$5)' ); controls.strip.attr( 'style', style ); el.width( parseInt( defaultWidth+100 ) ); } else { el.width( defaultWidth ); } } } var reset = el.data('reset-alpha') || false; if ( reset ) { self.picker.find( '.iris-palette-container' ).on( 'click.palette', '.iris-palette', function() { self._color._alpha = 1; self.active = 'external'; self._change(); }); } }, _addInputListeners: function( input ) { var self = this, debounceTimeout = 700, // originally set to 100, but some user perceive it as "jumps to random colors at third digit" callback = function( event ){ var color = new Color( input.val() ), val = input.val(); input.removeClass( 'iris-error' ); // we gave a bad color if ( color.error ) { // don't error on an empty input if ( val !== '' ) { input.addClass( 'iris-error' ); } } else { if ( color.toString() !== self._color.toString() ) { // let's not do this on keyup for hex shortcodes if ( ! ( event.type === 'keyup' && val.match( /^[0-9a-fA-F]{3}$/ ) ) ) { 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.one( 'focus', function() { self.show(); }); } }, _dimensions: function( reset ) { // whatever size var self = this, opts = self.options, controls = self.controls, square = controls.square, strip = self.picker.find( '.iris-strip' ), squareWidth = '77.5%', stripWidth = '12%', totalPadding = 20, innerWidth = opts.border ? opts.width - totalPadding : opts.width, controlsHeight, paletteCount = $.isArray( opts.palettes ) ? opts.palettes.length : self._palettes.length, paletteMargin, paletteWidth, paletteContainerWidth; if ( reset ) { square.css( 'width', '' ); strip.css( 'width', '' ); self.picker.css( {width: '', height: ''} ); } squareWidth = innerWidth * ( parseFloat( squareWidth ) / 100 ); stripWidth = innerWidth * ( parseFloat( stripWidth ) / 100 ); controlsHeight = opts.border ? squareWidth + totalPadding : squareWidth; if (opts.diviColorpicker ) { square.width( opts.width ).height( opts.height ); controlsHeight = opts.height; } else { square.width( squareWidth ).height( squareWidth ); } strip.height( squareWidth ).width( stripWidth ); self.picker.css( { width: opts.width, height: controlsHeight } ); if ( ! opts.palettes ) { return self.picker.css( 'paddingBottom', '' ); } // single margin at 2% paletteMargin = squareWidth * 2 / 100; paletteContainerWidth = squareWidth - ( ( paletteCount - 1 ) * paletteMargin ); paletteWidth = paletteContainerWidth / paletteCount; self.picker.find('.iris-palette').each( function( i ) { var margin = i === 0 ? 0 : paletteMargin; $( this ).css({ width: paletteWidth, height: paletteWidth, marginLeft: margin }); }); self.picker.css( 'paddingBottom', paletteWidth + paletteMargin ); strip.height( paletteWidth + paletteMargin + squareWidth ); } } ); }( jQuery ) ); // Auto Call plugin is class is color-picker jQuery( document ).ready( function( $ ) { $( '.color-picker' ).wpColorPicker(); } );