colorpalette.js

初学者

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.widget.ColorPalette");
dojo.require("dojo.widget.*");
dojo.require("dojo.html.layout");
dojo.require("dojo.html.display");
dojo.require("dojo.html.selection");
dojo.widget.defineWidget("dojo.widget.ColorPalette", dojo.widget.HtmlWidget, {palette:"7x10", _palettes:{"7x10":[["fff", "fcc", "fc9", "ff9", "ffc", "9f9", "9ff", "cff", "ccf", "fcf"], ["ccc", "f66", "f96", "ff6", "ff3", "6f9", "3ff", "6ff", "99f", "f9f"], ["c0c0c0", "f00", "f90", "fc6", "ff0", "3f3", "6cc", "3cf", "66c", "c6c"], ["999", "c00", "f60", "fc3", "fc0", "3c0", "0cc", "36f", "63f", "c3c"], ["666", "900", "c60", "c93", "990", "090", "399", "33f", "60c", "939"], ["333", "600", "930", "963", "660", "060", "366", "009", "339", "636"], ["000", "300", "630", "633", "330", "030", "033", "006", "309", "303"]], "3x4":[["ffffff", "00ff00", "008000", "0000ff"], ["c0c0c0", "ffff00", "ff00ff", "000080"], ["808080", "ff0000", "800080", "000000"]]}, buildRendering:function () {
	this.domNode = document.createElement("table");
	dojo.html.disableSelection(this.domNode);
	dojo.event.connect(this.domNode, "onmousedown", function (e) {
		e.preventDefault();
	});
	with (this.domNode) {
		cellPadding = "0";
		cellSpacing = "1";
		border = "1";
		style.backgroundColor = "white";
	}
	var colors = this._palettes[this.palette];
	for (var i = 0; i < colors.length; i++) {
		var tr = this.domNode.insertRow(-1);
		for (var j = 0; j < colors[i].length; j++) {
			if (colors[i][j].length == 3) {
				colors[i][j] = colors[i][j].replace(/(.)(.)(.)/, "$1$1$2$2$3$3");
			}
			var td = tr.insertCell(-1);
			with (td.style) {
				backgroundColor = "#" + colors[i][j];
				border = "1px solid gray";
				width = height = "15px";
				fontSize = "1px";
			}
			td.color = "#" + colors[i][j];
			td.onmouseover = function (e) {
				this.style.borderColor = "white";
			};
			td.onmouseout = function (e) {
				this.style.borderColor = "gray";
			};
			dojo.event.connect(td, "onmousedown", this, "onClick");
			td.innerHTML = "&nbsp;";
		}
	}
}, onClick:function (e) {
	this.onColorSelect(e.currentTarget.color);
	e.currentTarget.style.borderColor = "gray";
}, onColorSelect:function (color) {
}});