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175 lines (163 loc) · 5.85 KB
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/**
* @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 Variable blocks for Blockly.
* This file is scraped to extract a .json file of block definitions. The array
* passed to defineBlocksWithJsonArray(..) must be strict JSON: double quotes
* only, no outside references, no functions, no trailing commas, etc. The one
* exception is end-of-line comments, which the scraper will remove.
* @author fraser@google.com (Neil Fraser)
*/
'use strict';
goog.provide('Blockly.Blocks.variables'); // Deprecated.
goog.provide('Blockly.Constants.Variables');
goog.require('Blockly.Blocks');
goog.require('Blockly');
/**
* Unused constant for the common HSV hue for all blocks in this category.
* @deprecated Use Blockly.Msg['VARIABLES_HUE']. (2018 April 5)
*/
Blockly.Constants.Variables.HUE = 330;
Blockly.defineBlocksWithJsonArray([ // BEGIN JSON EXTRACT
// Block for variable getter.
{
"type": "variables_get",
"message0": "%1",
"args0": [
{
"type": "field_variable",
"name": "VAR",
"variable": "%{BKY_VARIABLES_DEFAULT_NAME}"
}
],
"output": null,
"style": "variable_blocks",
"helpUrl": "%{BKY_VARIABLES_GET_HELPURL}",
"tooltip": "%{BKY_VARIABLES_GET_TOOLTIP}",
"extensions": ["contextMenu_variableSetterGetter"]
},
// Block for variable setter.
{
"type": "variables_set",
"message0": "%{BKY_VARIABLES_SET}",
"args0": [
{
"type": "field_variable",
"name": "VAR",
"variable": "%{BKY_VARIABLES_DEFAULT_NAME}"
},
{
"type": "input_value",
"name": "VALUE"
}
],
"previousStatement": null,
"nextStatement": null,
"style": "variable_blocks",
"tooltip": "%{BKY_VARIABLES_SET_TOOLTIP}",
"helpUrl": "%{BKY_VARIABLES_SET_HELPURL}",
"extensions": ["contextMenu_variableSetterGetter"]
}
]); // END JSON EXTRACT (Do not delete this comment.)
/**
* Mixin to add context menu items to create getter/setter blocks for this
* setter/getter.
* Used by blocks 'variables_set' and 'variables_get'.
* @mixin
* @augments Blockly.Block
* @package
* @readonly
*/
Blockly.Constants.Variables.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN = {
/**
* Add menu option to create getter/setter block for this setter/getter.
* @param {!Array} options List of menu options to add to.
* @this Blockly.Block
*/
customContextMenu: function(options) {
if (!this.isInFlyout){
// Getter blocks have the option to create a setter block, and vice versa.
if (this.type == 'variables_get') {
var opposite_type = 'variables_set';
var contextMenuMsg = Blockly.Msg['VARIABLES_GET_CREATE_SET'];
} else {
var opposite_type = 'variables_get';
var contextMenuMsg = Blockly.Msg['VARIABLES_SET_CREATE_GET'];
}
var option = {enabled: this.workspace.remainingCapacity() > 0};
var name = this.getField('VAR').getText();
option.text = contextMenuMsg.replace('%1', name);
var xmlField = document.createElement('field');
xmlField.setAttribute('name', 'VAR');
xmlField.appendChild(document.createTextNode(name));
var xmlBlock = document.createElement('block');
xmlBlock.setAttribute('type', opposite_type);
xmlBlock.appendChild(xmlField);
option.callback = Blockly.ContextMenu.callbackFactory(this, xmlBlock);
options.push(option);
// Getter blocks have the option to rename or delete that variable.
} else {
if (this.type == 'variables_get' || this.type == 'variables_get_reporter'){
var renameOption = {
text: Blockly.Msg.RENAME_VARIABLE,
enabled: true,
callback: Blockly.Constants.Variables.RENAME_OPTION_CALLBACK_FACTORY(this)
};
var name = this.getField('VAR').getText();
var deleteOption = {
text: Blockly.Msg.DELETE_VARIABLE.replace('%1', name),
enabled: true,
callback: Blockly.Constants.Variables.DELETE_OPTION_CALLBACK_FACTORY(this)
};
options.unshift(renameOption);
options.unshift(deleteOption);
}
}
}
};
/**
* Callback for rename variable dropdown menu option associated with a
* variable getter block.
* @param {!Blockly.Block} block The block with the variable to rename.
* @return {!function()} A function that renames the variable.
*/
Blockly.Constants.Variables.RENAME_OPTION_CALLBACK_FACTORY = function(block) {
return function() {
var workspace = block.workspace;
var variable = block.getField('VAR').getVariable();
Blockly.Variables.renameVariable(workspace, variable);
};
};
/**
* Callback for delete variable dropdown menu option associated with a
* variable getter block.
* @param {!Blockly.Block} block The block with the variable to delete.
* @return {!function()} A function that deletes the variable.
*/
Blockly.Constants.Variables.DELETE_OPTION_CALLBACK_FACTORY = function(block) {
return function() {
var workspace = block.workspace;
var variable = block.getField('VAR').getVariable();
workspace.deleteVariableById(variable.getId());
workspace.refreshToolboxSelection();
};
};
Blockly.Extensions.registerMixin('contextMenu_variableSetterGetter',
Blockly.Constants.Variables.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN);