scratch-blocks/blocks_common/colour.js

61 lines
1.5 KiB
JavaScript

/**
* @license
* Visual Blocks Editor
*
* Copyright 2012 Google Inc.
* https://developers.google.com/blockly/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Colour blocks for Blockly.
* @author fraser@google.com (Neil Fraser)
*/
'use strict';
goog.provide('Blockly.Blocks.colour');
goog.require('Blockly.Blocks');
goog.require('Blockly.constants');
/**
* Pick a random colour.
* @return {string} #RRGGBB for random colour.
*/
function randomColour() {
var num = Math.floor(Math.random() * Math.pow(2, 24));
return '#' + ('00000' + num.toString(16)).substr(-6);
}
Blockly.Blocks['colour_picker'] = {
/**
* Block for colour picker.
* @this Blockly.Block
*/
init: function() {
this.jsonInit({
"message0": "%1",
"args0": [
{
"type": "field_colour_slider",
"name": "COLOUR",
"colour": randomColour()
}
],
"outputShape": Blockly.OUTPUT_SHAPE_ROUND,
"output": "Colour"
});
}
};