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/*
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* Ext JS Library 2.0.2
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* Copyright(c) 2006-2008, Ext JS, LLC.
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* licensing@extjs.com
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*
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* http://extjs.com/license
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*/
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/**
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* @class Ext.ColorPalette
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* @extends Ext.Component
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* Simple color palette class for choosing colors. The palette can be rendered to any container.<br />
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* Here's an example of typical usage:
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* <pre><code>
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var cp = new Ext.ColorPalette({value:'993300'}); // initial selected color
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cp.render('my-div');
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cp.on('select', function(palette, selColor){
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// do something with selColor
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});
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</code></pre>
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* @constructor
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* Create a new ColorPalette
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* @param {Object} config The config object
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*/
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Ext.ColorPalette = function(config){
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Ext.ColorPalette.superclass.constructor.call(this, config);
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this.addEvents(
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/**
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* @event select
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* Fires when a color is selected
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* @param {ColorPalette} this
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* @param {String} color The 6-digit color hex code (without the # symbol)
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*/
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'select'
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);
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if(this.handler){
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this.on("select", this.handler, this.scope, true);
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}
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};
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Ext.extend(Ext.ColorPalette, Ext.Component, {
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/**
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* @cfg {String} tpl An existing XTemplate instance to be used in place of the default template for rendering the component.
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*/
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/**
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* @cfg {String} itemCls
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* The CSS class to apply to the containing element (defaults to "x-color-palette")
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*/
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itemCls : "x-color-palette",
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/**
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* @cfg {String} value
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* The initial color to highlight (should be a valid 6-digit color hex code without the # symbol). Note that
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* the hex codes are case-sensitive.
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*/
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value : null,
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clickEvent:'click',
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// private
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ctype: "Ext.ColorPalette",
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/**
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* @cfg {Boolean} allowReselect If set to true then reselecting a color that is already selected fires the selection event
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*/
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allowReselect : false,
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/**
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* <p>An array of 6-digit color hex code strings (without the # symbol). This array can contain any number
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* of colors, and each hex code should be unique. The width of the palette is controlled via CSS by adjusting
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* the width property of the 'x-color-palette' class (or assigning a custom class), so you can balance the number
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* of colors with the width setting until the box is symmetrical.</p>
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* <p>You can override individual colors if needed:</p>
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* <pre><code>
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var cp = new Ext.ColorPalette();
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cp.colors[0] = "FF0000"; // change the first box to red
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</code></pre>
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Or you can provide a custom array of your own for complete control:
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<pre><code>
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var cp = new Ext.ColorPalette();
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cp.colors = ["000000", "993300", "333300"];
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</code></pre>
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* @type Array
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*/
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colors : [
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"000000", "993300", "333300", "003300", "003366", "000080", "333399", "333333",
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"800000", "FF6600", "808000", "008000", "008080", "0000FF", "666699", "808080",
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"FF0000", "FF9900", "99CC00", "339966", "33CCCC", "3366FF", "800080", "969696",
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"FF00FF", "FFCC00", "FFFF00", "00FF00", "00FFFF", "00CCFF", "993366", "C0C0C0",
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"FF99CC", "FFCC99", "FFFF99", "CCFFCC", "CCFFFF", "99CCFF", "CC99FF", "FFFFFF"
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],
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// private
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onRender : function(container, position){
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var t = this.tpl || new Ext.XTemplate(
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'<tpl for="."><a href="#" class="color-{.}" hidefocus="on"><em><span style="background:#{.}" unselectable="on"> </span></em></a></tpl>'
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);
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var el = document.createElement("div");
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el.className = this.itemCls;
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t.overwrite(el, this.colors);
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container.dom.insertBefore(el, position);
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this.el = Ext.get(el);
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this.el.on(this.clickEvent, this.handleClick, this, {delegate: "a"});
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if(this.clickEvent != 'click'){
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this.el.on('click', Ext.emptyFn, this, {delegate: "a", preventDefault:true});
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}
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},
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// private
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afterRender : function(){
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Ext.ColorPalette.superclass.afterRender.call(this);
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if(this.value){
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var s = this.value;
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this.value = null;
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this.select(s);
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}
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},
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// private
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handleClick : function(e, t){
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e.preventDefault();
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if(!this.disabled){
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var c = t.className.match(/(?:^|\s)color-(.{6})(?:\s|$)/)[1];
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this.select(c.toUpperCase());
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}
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},
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/**
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* Selects the specified color in the palette (fires the select event)
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* @param {String} color A valid 6-digit color hex code (# will be stripped if included)
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*/
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select : function(color){
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color = color.replace("#", "");
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if(color != this.value || this.allowReselect){
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var el = this.el;
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if(this.value){
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el.child("a.color-"+this.value).removeClass("x-color-palette-sel");
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}
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el.child("a.color-"+color).addClass("x-color-palette-sel");
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this.value = color;
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this.fireEvent("select", this, color);
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}
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}
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/**
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* @cfg {String} autoEl @hide
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*/
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});
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Ext.reg('colorpalette', Ext.ColorPalette);
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