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/**
* @license
* Visual Blocks Editor
*
* Copyright 2017 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 Utility functions for handling variables dynamic.
*
* @author duzc2dtw@gmail.com (Du Tian Wei)
*/
'use strict';
goog.provide('Blockly.VariablesDynamic');
goog.require('Blockly.Variables');
goog.require('Blockly.Blocks');
goog.require('Blockly.constants');
goog.require('Blockly.VariableModel');
// TODO Fix circular dependencies
// goog.require('Blockly.Workspace');
goog.require('Blockly.Xml');
Blockly.VariablesDynamic.onCreateVariableButtonClick_String = function(button) {
Blockly.Variables.createVariableButtonHandler(button.getTargetWorkspace(),
null, 'String');
};
Blockly.VariablesDynamic.onCreateVariableButtonClick_Number = function(button) {
Blockly.Variables.createVariableButtonHandler(button.getTargetWorkspace(),
null, 'Number');
};
Blockly.VariablesDynamic.onCreateVariableButtonClick_Colour = function(button) {
Blockly.Variables.createVariableButtonHandler(button.getTargetWorkspace(),
null, 'Colour');
};
/**
* Construct the elements (blocks and button) required by the flyout for the
* variable category.
* @param {!Blockly.Workspace} workspace The workspace containing variables.
* @return {!Array.<!Element>} Array of XML elements.
*/
Blockly.VariablesDynamic.flyoutCategory = function(workspace) {
var xmlList = [];
var button = document.createElement('button');
button.setAttribute('text', Blockly.Msg['NEW_STRING_VARIABLE']);
button.setAttribute('callbackKey', 'CREATE_VARIABLE_STRING');
xmlList.push(button);
button = document.createElement('button');
button.setAttribute('text', Blockly.Msg['NEW_NUMBER_VARIABLE']);
button.setAttribute('callbackKey', 'CREATE_VARIABLE_NUMBER');
xmlList.push(button);
button = document.createElement('button');
button.setAttribute('text', Blockly.Msg['NEW_COLOUR_VARIABLE']);
button.setAttribute('callbackKey', 'CREATE_VARIABLE_COLOUR');
xmlList.push(button);
workspace.registerButtonCallback('CREATE_VARIABLE_STRING',
Blockly.VariablesDynamic.onCreateVariableButtonClick_String);
workspace.registerButtonCallback('CREATE_VARIABLE_NUMBER',
Blockly.VariablesDynamic.onCreateVariableButtonClick_Number);
workspace.registerButtonCallback('CREATE_VARIABLE_COLOUR',
Blockly.VariablesDynamic.onCreateVariableButtonClick_Colour);
var blockList = Blockly.VariablesDynamic.flyoutCategoryBlocks(workspace);
xmlList = xmlList.concat(blockList);
return xmlList;
};
/**
* Construct the blocks required by the flyout for the variable category.
* @param {!Blockly.Workspace} workspace The workspace containing variables.
* @return {!Array.<!Element>} Array of XML block elements.
*/
Blockly.VariablesDynamic.flyoutCategoryBlocks = function(workspace) {
var variableModelList = workspace.getAllVariables();
var xmlList = [];
if (variableModelList.length > 0) {
if (Blockly.Blocks['variables_set_dynamic']) {
var firstVariable = variableModelList[variableModelList.length - 1];
var gap = 24;
var blockText = '<xml>' +
'<block type="variables_set_dynamic" gap="' + gap + '">' +
Blockly.Variables.generateVariableFieldXmlString(firstVariable) +
'</block>' +
'</xml>';
var block = Blockly.Xml.textToDom(blockText).firstChild;
xmlList.push(block);
}
if (Blockly.Blocks['variables_get_dynamic']) {
variableModelList.sort(Blockly.VariableModel.compareByName);
for (var i = 0, variable; variable = variableModelList[i]; i++) {
var blockText = '<xml>' +
'<block type="variables_get_dynamic" gap="8">' +
Blockly.Variables.generateVariableFieldXmlString(variable) +
'</block>' +
'</xml>';
var block = Blockly.Xml.textToDom(blockText).firstChild;
xmlList.push(block);
}
}
}
return xmlList;
};