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,
{
// summary
// Grid showing various colors, so the user pick a certain color
// palette: String
// Size of grid, either "7x10" or "3x4".
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"/*white*/, "00ff00"/*lime*/, "008000"/*green*/, "0000ff"/*blue*/],
["c0c0c0"/*silver*/, "ffff00"/*yellow*/, "ff00ff"/*fuchsia*/, "000080"/*navy*/],
["808080"/*gray*/, "ff0000"/*red*/, "800080"/*purple*/, "000000"/*black*/]]
//["00ffff"/*aqua*/, "808000"/*olive*/, "800000"/*maroon*/, "008080"/*teal*/]];
},
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) { // set the table's properties
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 = " ";
}
}
},
onClick: function(/*Event*/ e) {
this.onColorSelect(e.currentTarget.color);
e.currentTarget.style.borderColor = "gray";
},
onColorSelect: function(color){
// summary:
// Callback when a color is selected.
// color: String
// Hex value corresponding to color.
}
});