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https://github.com/google/blockly.git
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116 lines
4.3 KiB
JavaScript
116 lines
4.3 KiB
JavaScript
/**
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* @license
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* Visual Blocks Editor
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*
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* Copyright 2017 Google Inc.
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* https://developers.google.com/blockly/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Utility functions for handling variables dynamic.
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*
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* @author duzc2dtw@gmail.com (Du Tian Wei)
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*/
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'use strict';
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goog.provide('Blockly.VariablesDynamic');
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goog.require('Blockly.Variables');
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goog.require('Blockly.Blocks');
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goog.require('Blockly.Msg');
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goog.require('Blockly.utils.xml');
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goog.require('Blockly.VariableModel');
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goog.require('Blockly.Xml');
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Blockly.VariablesDynamic.onCreateVariableButtonClick_String = function(button) {
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Blockly.Variables.createVariableButtonHandler(button.getTargetWorkspace(),
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null, 'String');
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};
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Blockly.VariablesDynamic.onCreateVariableButtonClick_Number = function(button) {
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Blockly.Variables.createVariableButtonHandler(button.getTargetWorkspace(),
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null, 'Number');
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};
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Blockly.VariablesDynamic.onCreateVariableButtonClick_Colour = function(button) {
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Blockly.Variables.createVariableButtonHandler(button.getTargetWorkspace(),
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null, 'Colour');
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};
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/**
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* Construct the elements (blocks and button) required by the flyout for the
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* variable category.
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* @param {!Blockly.Workspace} workspace The workspace containing variables.
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* @return {!Array.<!Element>} Array of XML elements.
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*/
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Blockly.VariablesDynamic.flyoutCategory = function(workspace) {
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var xmlList = [];
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var button = document.createElement('button');
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button.setAttribute('text', Blockly.Msg['NEW_STRING_VARIABLE']);
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button.setAttribute('callbackKey', 'CREATE_VARIABLE_STRING');
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xmlList.push(button);
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button = document.createElement('button');
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button.setAttribute('text', Blockly.Msg['NEW_NUMBER_VARIABLE']);
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button.setAttribute('callbackKey', 'CREATE_VARIABLE_NUMBER');
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xmlList.push(button);
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button = document.createElement('button');
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button.setAttribute('text', Blockly.Msg['NEW_COLOUR_VARIABLE']);
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button.setAttribute('callbackKey', 'CREATE_VARIABLE_COLOUR');
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xmlList.push(button);
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workspace.registerButtonCallback('CREATE_VARIABLE_STRING',
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Blockly.VariablesDynamic.onCreateVariableButtonClick_String);
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workspace.registerButtonCallback('CREATE_VARIABLE_NUMBER',
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Blockly.VariablesDynamic.onCreateVariableButtonClick_Number);
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workspace.registerButtonCallback('CREATE_VARIABLE_COLOUR',
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Blockly.VariablesDynamic.onCreateVariableButtonClick_Colour);
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var blockList = Blockly.VariablesDynamic.flyoutCategoryBlocks(workspace);
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xmlList = xmlList.concat(blockList);
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return xmlList;
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};
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/**
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* Construct the blocks required by the flyout for the variable category.
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* @param {!Blockly.Workspace} workspace The workspace containing variables.
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* @return {!Array.<!Element>} Array of XML block elements.
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*/
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Blockly.VariablesDynamic.flyoutCategoryBlocks = function(workspace) {
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var variableModelList = workspace.getAllVariables();
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var xmlList = [];
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if (variableModelList.length > 0) {
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if (Blockly.Blocks['variables_set_dynamic']) {
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var firstVariable = variableModelList[variableModelList.length - 1];
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var block = Blockly.utils.xml.createElement('block');
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block.setAttribute('type', 'variables_set_dynamic');
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block.setAttribute('gap', 24);
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block.appendChild(
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Blockly.Variables.generateVariableFieldDom(firstVariable));
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xmlList.push(block);
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}
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if (Blockly.Blocks['variables_get_dynamic']) {
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variableModelList.sort(Blockly.VariableModel.compareByName);
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for (var i = 0, variable; variable = variableModelList[i]; i++) {
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var block = Blockly.utils.xml.createElement('block');
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block.setAttribute('type', 'variables_get_dynamic');
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block.setAttribute('gap', 8);
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block.appendChild(Blockly.Variables.generateVariableFieldDom(variable));
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xmlList.push(block);
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}
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}
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}
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return xmlList;
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};
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