/*
* Based on:
* Ext JS Library 1.1.1
* Copyright(c) 2006-2007, Ext JS, LLC.
*
* Originally Released Under LGPL - original licence link has changed is not relivant.
*
* Fork - LGPL
* <script type="text/javascript">
*/
/**
* @class Roo.ColorPalette
* @extends Roo.Component
* Simple color palette class for choosing colors. The palette can be rendered to any container.<br />
* Here's an example of typical usage:
* <pre><code>
var cp = new Roo.ColorPalette({value:'993300'}); // initial selected color
cp.render('my-div');
cp.on('select', function(palette, selColor){
// do something with selColor
});
</code></pre>
* @constructor
* Create a new ColorPalette
* @param {Object} config The config object
*/
Roo.ColorPalette = function(config){
Roo.ColorPalette.superclass.constructor.call(this, config);
this.addEvents({
/**
* @event select
* Fires when a color is selected
* @param {ColorPalette} this
* @param {String} color The 6-digit color hex code (without the # symbol)
*/
select: true
});
if(this.handler){
this.on("select", this.handler, this.scope, true);
}
};
Roo.extend(Roo.ColorPalette, Roo.Component, {
/**
* @cfg {String} itemCls
* The CSS class to apply to the containing element (defaults to "x-color-palette")
*/
itemCls : "x-color-palette",
/**
* @cfg {String} value
* The initial color to highlight (should be a valid 6-digit color hex code without the # symbol). Note that
* the hex codes are case-sensitive.
*/
value : null,
clickEvent:'click',
// private
ctype: "Roo.ColorPalette",
/**
* @cfg {Boolean} allowReselect If set to true then reselecting a color that is already selected fires the selection event
*/
allowReselect : false,
/**
* <p>An array of 6-digit color hex code strings (without the # symbol). This array can contain any number
* of colors, and each hex code should be unique. The width of the palette is controlled via CSS by adjusting
* the width property of the 'x-color-palette' class (or assigning a custom class), so you can balance the number
* of colors with the width setting until the box is symmetrical.</p>
* <p>You can override individual colors if needed:</p>
* <pre><code>
var cp = new Roo.ColorPalette();
cp.colors[0] = "FF0000"; // change the first box to red
</code></pre>
Or you can provide a custom array of your own for complete control:
<pre><code>
var cp = new Roo.ColorPalette();
cp.colors = ["000000", "993300", "333300"];
</code></pre>
* @type Array
*/
colors : [
"000000", "993300", "333300", "003300", "003366", "000080", "333399", "333333",
"800000", "FF6600", "808000", "008000", "008080", "0000FF", "666699", "808080",
"FF0000", "FF9900", "99CC00", "339966", "33CCCC", "3366FF", "800080", "969696",
"FF00FF", "FFCC00", "FFFF00", "00FF00", "00FFFF", "00CCFF", "993366", "C0C0C0",
"FF99CC", "FFCC99", "FFFF99", "CCFFCC", "CCFFFF", "99CCFF", "CC99FF", "FFFFFF"
],
// private
onRender : function(container, position){
var t = new Roo.MasterTemplate(
'<tpl><a href="#" class="color-{0}" hidefocus="on"><em><span style="background:#{0}" unselectable="on"> </span></em></a></tpl>'
);
var c = this.colors;
for(var i = 0, len = c.length; i < len; i++){
t.add([c[i]]);
}
var el = document.createElement("div");
el.className = this.itemCls;
t.overwrite(el);
container.dom.insertBefore(el, position);
this.el = Roo.get(el);
this.el.on(this.clickEvent, this.handleClick, this, {delegate: "a"});
if(this.clickEvent != 'click'){
this.el.on('click', Roo.emptyFn, this, {delegate: "a", preventDefault:true});
}
},
// private
afterRender : function(){
Roo.ColorPalette.superclass.afterRender.call(this);
if(this.value){
var s = this.value;
this.value = null;
this.select(s);
}
},
// private
handleClick : function(e, t){
e.preventDefault();
if(!this.disabled){
var c = t.className.match(/(?:^|\s)color-(.{6})(?:\s|$)/)[1];
this.select(c.toUpperCase());
}
},
/**
* Selects the specified color in the palette (fires the select event)
* @param {String} color A valid 6-digit color hex code (# will be stripped if included)
*/
select : function(color){
color = color.replace("#", "");
if(color != this.value || this.allowReselect){
var el = this.el;
if(this.value){
el.child("a.color-"+this.value).removeClass("x-color-palette-sel");
}
el.child("a.color-"+color).addClass("x-color-palette-sel");
this.value = color;
this.fireEvent("select", this, color);
}
}
});