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optionally show icons instead of names for toolbox categories

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This commit is contained in:
Rachel Fenichel 2016-02-08 17:20:28 -08:00
parent 995d85e353
commit 5692ddb591
1 changed files with 23 additions and 7 deletions
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30
core/toolbox.js
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@ -52,6 +52,13 @@ Blockly.Toolbox = function(workspace) {
*/
this.workspace_ = workspace;
/**
* Whether toolbox categories should be represented by icons instead of text.
* @type {boolean}
* @private
*/
this.iconic_ = false;
/**
* Whether the toolbox should be laid out horizontally.
* @type {boolean}
@ -225,7 +232,7 @@ Blockly.Toolbox.prototype.populate_ = function(newTree) {
rootOut.removeChildren(); // Delete any existing content.
rootOut.blocks = [];
var hasColours = false;
function syncTrees(treeIn, treeOut) {
function syncTrees(treeIn, treeOut, iconic, pathToMedia) {
for (var i = 0, childIn; childIn = treeIn.childNodes[i]; i++) {
if (!childIn.tagName) {
// Skip over text.
@ -233,7 +240,12 @@ Blockly.Toolbox.prototype.populate_ = function(newTree) {
}
switch (childIn.tagName.toUpperCase()) {
case 'CATEGORY':
var childOut = rootOut.createNode(childIn.getAttribute('name'));
if (iconic && childIn.getAttribute('icon')) {
var childOut = rootOut.createNode(childIn.getAttribute('name'),
pathToMedia + childIn.getAttribute('icon'));
} else {
var childOut = rootOut.createNode(childIn.getAttribute('name'), null);
}
childOut.blocks = [];
if (that.horizontalLayout_) {
treeOut.add(childOut);
@ -245,7 +257,7 @@ Blockly.Toolbox.prototype.populate_ = function(newTree) {
// Variables and procedures are special dynamic categories.
childOut.blocks = custom;
} else {
syncTrees(childIn, childOut);
syncTrees(childIn, childOut, iconic, pathToMedia);
}
var colour = childIn.getAttribute('colour');
if (goog.isString(colour)) {
@ -281,7 +293,7 @@ Blockly.Toolbox.prototype.populate_ = function(newTree) {
}
}
}
syncTrees(newTree, this.tree_);
syncTrees(newTree, this.tree_, this.iconic_, this.workspace_.options.pathToMedia);
this.hasColours_ = hasColours;
if (rootOut.blocks.length) {
@ -400,12 +412,16 @@ Blockly.Toolbox.TreeControl.prototype.handleTouchEvent_ = function(e) {
/**
* Creates a new tree node using a custom tree node.
* @param {string=} opt_html The HTML content of the node label.
* @param {string} icon The path to the icon for this category.
* @return {!goog.ui.tree.TreeNode} The new item.
* @override
*/
Blockly.Toolbox.TreeControl.prototype.createNode = function(opt_html) {
return new Blockly.Toolbox.TreeNode(this.toolbox_, opt_html ?
goog.html.SafeHtml.htmlEscape(opt_html) : goog.html.SafeHtml.EMPTY,
Blockly.Toolbox.TreeControl.prototype.createNode = function(opt_html, icon) {
var icon_html = '<img src=\"' + icon + '\" alt=\"' + opt_html + '\" align=top>';
var safe_opt_html = opt_html ?
goog.html.SafeHtml.htmlEscape(opt_html) : goog.html.SafeHtml.EMPTY;
var label_html = icon ? icon_html + ' ' + opt_html : safe_opt_html;
return new Blockly.Toolbox.TreeNode(this.toolbox_, label_html,
this.getConfig(), this.getDomHelper());
};