424 lines
13 KiB
JavaScript
424 lines
13 KiB
JavaScript
/**
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* wp-color-picker-alpha
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*
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* Version 1.0
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* Copyright (c) 2017 Elegant Themes.
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* Licensed under the GPLv2 license.
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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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* Add custom colorpicker UI
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*
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* This is modified version made by Elegant Themes based on the work covered by
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* the following copyright:
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*
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* wp-color-picker-alpha Version: 1.1
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* https://github.com/23r9i0/wp-color-picker-alpha
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* Copyright (c) 2015 Sergio P.A. (23r9i0).
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* Licensed under the GPLv2 license.
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*/
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( function( $ ) {
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// Variable for some backgrounds
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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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var _before = '<a tabindex="0" class="wp-color-result" />',
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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 button-clear hidden" />',
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_close_button = '<button type="button" class="button button-confirm" />',
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_close_button_icon = '<div style="fill: #3EF400; width: 25px; height: 25px; margin-top: -1px;"><svg viewBox="0 0 28 28" preserveAspectRatio="xMidYMid meet" shapeRendering="geometricPrecision"><g><path d="M19.203 9.21a.677.677 0 0 0-.98 0l-5.71 5.9-2.85-2.95a.675.675 0 0 0-.98 0l-1.48 1.523a.737.737 0 0 0 0 1.015l4.82 4.979a.677.677 0 0 0 .98 0l7.68-7.927a.737.737 0 0 0 0-1.015l-1.48-1.525z" fillRule="evenodd" /></g></svg></div>';
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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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for ( var i = 6 - hex.length - 1; i >= 0; i-- ) {
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hex = '0' + hex;
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}
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}
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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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_create: function() {
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// bail early for unsupported Iris.
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if ( ! $.support.iris ) {
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return;
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}
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var self = this,
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el = self.element;
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$.extend( self.options, el.data() );
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// keep close bound so it can be attached to a body listener
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self.close = $.proxy( self.close, self );
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self.initialValue = el.val();
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// Set up HTML structure, hide things
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el.addClass( 'wp-color-picker' ).hide().wrap( _wrap );
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self.wrap = el.parent();
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self.toggler = $( _before ).insertBefore( el ).css( { backgroundColor: self.initialValue } ).attr( 'title', wpColorPickerL10n.pick ).attr( 'data-current', wpColorPickerL10n.current );
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self.pickerContainer = $( _after ).insertAfter( el );
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self.button = $( _button );
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self.close_button = $( _close_button );
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if ( self.options.defaultColor ) {
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self.button.addClass( 'wp-picker-default' ).val( wpColorPickerL10n.defaultString );
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} else {
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self.button.addClass( 'wp-picker-clear' ).val( wpColorPickerL10n.clear );
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}
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el.wrap( '<span class="wp-picker-input-wrap" />' ).after(self.button);
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if ( self.options.diviColorpicker ) {
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self.close_button.html( _close_button_icon );
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el.after( self.close_button );
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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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height: self.options.height,
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diviColorpicker: self.options.diviColorpicker,
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mode: self.options.mode,
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palettes: self.options.palettes,
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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 + ')' } ).html('<span />');
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self.toggler.find('span').css({
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'width': '100%',
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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': '3px',
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'border-bottom-left-radius': '3px',
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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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// check for a custom cb
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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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if ( ! self.options.hide ) {
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self.toggler.click();
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}
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},
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_addListeners: function() {
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var self = this;
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// prevent any clicks inside this widget from leaking to the top and closing it
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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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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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self.element.change( function( event ) {
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var me = $( this ),
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val = me.val();
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// Empty or Error = clear
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if ( val === '' || self.element.hasClass('iris-error') ) {
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if ( self.options.alpha ) {
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self.toggler.css( 'backgroundColor', '' );
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self.toggler.find('span').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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// open a keyboard-focused closed picker with space or enter
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self.toggler.on( 'keyup', function( event ) {
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if ( event.keyCode === 13 || event.keyCode === 32 ) {
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event.preventDefault();
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self.toggler.trigger( 'click' ).next().focus();
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}
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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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if ( self.options.alpha ) {
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self.toggler.css( 'backgroundColor', '' );
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self.toggler.find('span').css( 'backgroundColor', '' );
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} else {
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self.toggler.css( 'backgroundColor', '' );
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}
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if ( $.isFunction( self.options.clear ) ) {
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self.options.clear.call( this, event );
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}
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} else if ( me.hasClass( 'wp-picker-default' ) ) {
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self.element.val( self.options.defaultColor ).change();
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}
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});
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self.close_button.click( function( event ) {
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event.preventDefault();
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self.close();
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});
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},
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close: function() {
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this._super();
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var self = this;
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if ($.isFunction(self.options.onClose)) {
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self.options.onClose.call(this);
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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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}
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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 = $( _html ).appendTo( self.picker.find( '.iris-picker-inner' ) ),
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aSlider = aContainer.find( '.iris-slider-offset-alpha' ),
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controls = {
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aContainer: aContainer,
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aSlider: aSlider
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};
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// Set default width for input reset
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self.options.defaultWidth = el.width();
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// Update width for input
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if ( self._color._alpha < 1 || self._color.toString().indexOf('rgb') != 1 ) {
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el.width( parseInt( self.options.defaultWidth+100 ) );
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}
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// Push new controls
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$.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;
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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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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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var 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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controls.strip.attr( 'style', style );
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el.width( parseInt( defaultWidth+100 ) );
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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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},
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_addInputListeners: function( input ) {
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var self = this,
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debounceTimeout = 700, // originally set to 100, but some user perceive it as "jumps to random colors at third digit"
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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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}
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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() );
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}
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}
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}
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};
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input.on( 'change', callback ).on( 'keyup', self._debounce( callback, debounceTimeout ) );
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// If we initialized hidden, show on first focus. The rest is up to you.
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if ( self.options.hide ) {
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input.one( 'focus', function() {
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self.show();
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});
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}
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},
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_dimensions: function( reset ) {
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// whatever size
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var self = this,
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opts = self.options,
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controls = self.controls,
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square = controls.square,
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strip = self.picker.find( '.iris-strip' ),
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squareWidth = '77.5%',
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stripWidth = '12%',
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totalPadding = 20,
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innerWidth = opts.border ? opts.width - totalPadding : opts.width,
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controlsHeight,
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paletteCount = $.isArray( opts.palettes ) ? opts.palettes.length : self._palettes.length,
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paletteMargin, paletteWidth, paletteContainerWidth;
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if ( reset ) {
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square.css( 'width', '' );
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strip.css( 'width', '' );
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self.picker.css( {width: '', height: ''} );
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}
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squareWidth = innerWidth * ( parseFloat( squareWidth ) / 100 );
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stripWidth = innerWidth * ( parseFloat( stripWidth ) / 100 );
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controlsHeight = opts.border ? squareWidth + totalPadding : squareWidth;
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if (opts.diviColorpicker ) {
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square.width( opts.width ).height( opts.height );
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controlsHeight = opts.height;
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} else {
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square.width( squareWidth ).height( squareWidth );
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}
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strip.height( squareWidth ).width( stripWidth );
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self.picker.css( { width: opts.width, height: controlsHeight } );
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if ( ! opts.palettes ) {
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return self.picker.css( 'paddingBottom', '' );
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}
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// single margin at 2%
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paletteMargin = squareWidth * 2 / 100;
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paletteContainerWidth = squareWidth - ( ( paletteCount - 1 ) * paletteMargin );
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paletteWidth = paletteContainerWidth / paletteCount;
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self.picker.find('.iris-palette').each( function( i ) {
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var margin = i === 0 ? 0 : paletteMargin;
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$( this ).css({
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width: paletteWidth,
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height: paletteWidth,
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marginLeft: margin
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});
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});
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self.picker.css( 'paddingBottom', paletteWidth + paletteMargin );
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strip.height( paletteWidth + paletteMargin + squareWidth );
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}
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} );
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}( jQuery ) );
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// Auto Call plugin is class is color-picker
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jQuery( document ).ready( function( $ ) {
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$( '.color-picker' ).wpColorPicker();
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} ); |