341 lines
11 KiB
JavaScript
341 lines
11 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: 1.2.2
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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 ( 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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_before = '<button type="button" class="button wp-color-result" aria-expanded="false" style="position:relative;"><span class="wp-color-result-text">' + gpSectionsColorPickerL10n.pick + '</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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* 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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_create: function() {
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// bail early for unsupported Iris.
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if ( ! $.support.iris )
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return;
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var self = this,
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el = self.element;
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self.inputWrapper = el.closest( '.wp-picker-input-wrap' );
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$.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' ).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', gpSectionsColorPickerL10n.pick ).attr( 'data-current', gpSectionsColorPickerL10n.current );
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self.pickerContainer = $( _after ).insertAfter( el );
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self.button = $( _button );
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if ( self.options.defaultColor ) {
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self.button.addClass( 'wp-picker-default' ).val( gpSectionsColorPickerL10n.defaultString );
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} else {
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self.button.addClass( 'wp-picker-clear' ).val( gpSectionsColorPickerL10n.clear );
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}
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el.wrap( '<span class="wp-picker-input-wrap hidden" />' ).after( self.button );
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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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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 class="wp-color-result-text" style="position:relative;z-index:1;">' + gpSectionsColorPickerL10n.pick + '</span><span />' );
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self.toggler.find( 'span' ).last().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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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.on( '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.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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self.toggler.removeAttr( 'style' );
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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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// 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.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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self.toggler.removeAttr( 'style' );
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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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} 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 );
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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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},
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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() );
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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.on( 'focus', function() {
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self.show();
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} );
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}
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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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} );
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