Authors:Bill Keese


_PaletteMixin is a base class for widgets like dijit/ColorPalette and dojox/editor/plugins/InsertEntity.

It provides a keyboard accessible way to display a grid of items (colors, emoticons, etc.) and let the user select one.

The subclass must call _preparePalette() with the nested array of labels/id’s for the grid nodes, and a non-nested array listing the tooltips for each cell.

In addition, dyeClass must be set as a lightweight class to represent each cell of the grid; the class must implement the the dijit/_PaletteMixin.__Dye interface.


    "dojo/_base/declare", "dojo/dom-construct",
    "dijit/_WidgetBase", "dijit/_PaletteMixin", "dojo/domReady!"
], function(declare, domConstruct, _WidgetBase, _PaletteMixin){

    MyPalette = declare([_WidgetBase, _PaletteMixin], {
        // summary:
        //      A palette of numbers from 1.1 to 3.3

         //     Interface for the JS Object associated with a palette cell (i.e. DOMNode)
        dyeClass: declare(null, {
            constructor: function(alias, row, col){
                this.label = alias;
            getValue: function(){
                return this.label;
            fillCell: function(cell, blankGif){
                cell.innerHTML = this.label;

        buildRendering: function(){
            // Subclass must define this.gridNode as a <table> element.   Usually done in the template.
            this.domNode = this.gridNode = domConstruct.create("table");

        postCreate: function(){
            // Create the grid
                [1.1, 1.2, 1.3],
                [2.1, 2.2, 2.3],
                [3.1, 3.2, 3.3]
                "one point one", "one point two", "one point three", "two point one", "two point two",
                "two point three", "three point one", "three point two", "three point three"

    var myPalette = new MyPalette({
        onChange: function(val){
            console.log("selected: " + val);
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