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variables_dynamic

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duzc2dtw@gmail.com
2017-11-25 00:55:59 +08:00
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commit 24a305db08
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137
blocks/variables_dynamic.js Normal file
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@@ -0,0 +1,137 @@
/**
* @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 duzc2dtw@gmail.com (Du Tian Wei)
*/
'use strict';
goog.provide('Blockly.Constants.VariablesDynamic');
goog.require('Blockly.Blocks');
goog.require('Blockly');
/**
* Common HSV hue for all blocks in this category.
* Should be the same as Blockly.Msg.VARIABLES_DYNAMIC_HUE.
* @readonly
*/
Blockly.Constants.VariablesDynamic.HUE = 310;
Blockly.defineBlocksWithJsonArray([ // BEGIN JSON EXTRACT
// Block for variable getter.
{
"type": "variables_get_dynamic",
"message0": "%1",
"args0": [{
"type": "field_variable",
"name": "VAR",
"variable": "%{BKY_VARIABLES_DEFAULT_NAME}"
}],
"output": null,
"colour": "%{BKY_VARIABLES_DYNAMIC_HUE}",
"helpUrl": "%{BKY_VARIABLES_GET_HELPURL}",
"tooltip": "%{BKY_VARIABLES_GET_TOOLTIP}",
"extensions": ["contextMenu_variableDynamicSetterGetter"]
},
// Block for variable setter.
{
"type": "variables_set_dynamic",
"message0": "%{BKY_VARIABLES_SET}",
"args0": [{
"type": "field_variable",
"name": "VAR",
"variable": "%{BKY_VARIABLES_DEFAULT_NAME}"
},
{
"type": "input_value",
"name": "VALUE"
}
],
"previousStatement": null,
"nextStatement": null,
"colour": "%{BKY_VARIABLES_DYNAMIC_HUE}",
"tooltip": "%{BKY_VARIABLES_SET_TOOLTIP}",
"helpUrl": "%{BKY_VARIABLES_SET_HELPURL}",
"extensions": ["contextMenu_variableDynamicSetterGetter"]
}
]); // 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.VariablesDynamic.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) {
// Getter blocks have the option to create a setter block, and vice versa.
var opposite_type ;
var contextMenuMsg ;
if (this.type == 'variables_get_dynamic') {
opposite_type = 'variables_set_dynamic';
contextMenuMsg = Blockly.Msg.VARIABLES_GET_CREATE_SET;
} else {
opposite_type = 'variables_get_dynamic';
contextMenuMsg = Blockly.Msg.VARIABLES_SET_CREATE_GET;
}
var option = { enabled: this.workspace.remainingCapacity() > 0 };
var name = this.getFieldValue('VAR');
option.text = contextMenuMsg.replace('%1', name);
var xmlField = goog.dom.createDom('field', null, name);
xmlField.setAttribute('name', 'VAR');
var variableModel = this.workspace.getVariable(name);
xmlField.setAttribute('variabletype', variableModel.type);
var xmlBlock = goog.dom.createDom('block', null, xmlField);
xmlBlock.setAttribute('type', opposite_type);
option.callback = Blockly.ContextMenu.callbackFactory(this, xmlBlock);
options.push(option);
},
onchange: function() {
var name = this.getFieldValue('VAR');
var variableModel = this.workspace.getVariable(name);
this.getField("VAR").variableTypes = [variableModel.type];
if (this.type == 'variables_get_dynamic') {
this.outputConnection.setCheck(variableModel.type);
} else {
this.getInput("VALUE").connection.setCheck(variableModel.type);
}
}
};
Blockly.Extensions.registerMixin('contextMenu_variableDynamicSetterGetter',
Blockly.Constants.VariablesDynamic.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN);

7
core/constants.js
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@@ -241,6 +241,13 @@ Blockly.DELETE_AREA_TOOLBOX = 2;
* @const {string}
*/
Blockly.VARIABLE_CATEGORY_NAME = 'VARIABLE';
/**
* String for use in the "custom" attribute of a category in toolbox xml.
* This string indicates that the category should be dynamically populated with
* variable blocks.
* @const {string}
*/
Blockly.VARIABLE_DYNAMIC_CATEGORY_NAME = 'VARIABLES_DYNAMIC';
/**
* String for use in the "custom" attribute of a category in toolbox xml.

127
core/variables_dynamic.js Normal file
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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 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');
goog.require('Blockly.Workspace');
goog.require('goog.string');
/**
* Prompt the user for a new variable name.
* @param {string} promptText The string of the prompt.
* @param {string} defaultText The default value to show in the prompt's field.
* @param {function(?string)} callback A callback. It will return the new
* variable name, or null if the user picked something illegal.
*/
Blockly.VariablesDynamic.promptType = function(promptText, defaultText, callback) {
Blockly.prompt(promptText, defaultText, function(newVarType) {
// Merge runs of whitespace. Strip leading and trailing whitespace.
// Beyond this, all types are legal.
if (newVarType) {
newVarType = newVarType.replace(/[\s\xa0]+/g, ' ').replace(/^ | $/g, '');
}
callback(newVarType);
});
};
Blockly.VariablesDynamic.onCreateVariableButtonClick = function(button) {
Blockly.VariablesDynamic.promptType(Blockly.Msg.NEW_VARIABLE_TYPE_TITLE, '', function(type) {
if (type) {
Blockly.Variables.createVariable(button.getTargetWorkspace(), null, type);
}
});
// workspace.createVariable("abc", "string");
// workspace.createVariable("123", "number");
// workspace.createVariable("abcd", "string");
};
/**
* Construct the elements (blocks and button) required by the flyout for the
* variable category.
* @param {!Blockly.Workspace} workspace The workspace contianing variables.
* @return {!Array.<!Element>} Array of XML elements.
*/
Blockly.VariablesDynamic.flyoutCategory = function(workspace) {
var xmlList = [];
var button = goog.dom.createDom('button');
button.setAttribute('text', Blockly.Msg.NEW_VARIABLE);
button.setAttribute('callbackKey', 'CREATE_VARIABLE');
workspace.registerButtonCallback('CREATE_VARIABLE', Blockly.VariablesDynamic.onCreateVariableButtonClick);
xmlList.push(button);
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 contianing variables.
* @return {!Array.<!Element>} Array of XML block elements.
*/
Blockly.VariablesDynamic.flyoutCategoryBlocks = function(workspace) {
var variableModelList = workspace.getAllVariables();
variableModelList.sort(Blockly.VariableModel.compareByName);
var xmlList = [];
if (variableModelList.length > 0) {
var varTypes = workspace.getVariableTypes();
for (var i in varTypes) {
var varType = varTypes[i];
var variableModelListOfType = workspace.getVariablesOfType(varType);
var firstVariable = variableModelListOfType[0];
if (Blockly.Blocks['variables_set_dynamic']) {
var gap = i == varTypes.length - 1 ? 24 : 8;
var blockText = '<xml>' +
'<block type="variables_set_dynamic" gap="' + gap + '">' +
Blockly.Variables.generateVariableFieldXml_(firstVariable) +
'</block>' +
'</xml>';
var block = Blockly.Xml.textToDom(blockText).firstChild;
xmlList.push(block);
}
}
for (var i = 0, variable; variable = variableModelList[i]; i++) {
if (Blockly.Blocks['variables_get_dynamic']) {
var blockText = '<xml>' +
'<block type="variables_get_dynamic" gap="8">' +
Blockly.Variables.generateVariableFieldXml_(variable) +
'</block>' +
'</xml>';
var block = Blockly.Xml.textToDom(blockText).firstChild;
xmlList.push(block);
}
}
}
return xmlList;
};

2
core/workspace_svg.js
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@@ -104,6 +104,8 @@ Blockly.WorkspaceSvg = function(options, opt_blockDragSurface, opt_wsDragSurface
this.registerToolboxCategoryCallback(Blockly.VARIABLE_CATEGORY_NAME,
Blockly.Variables.flyoutCategory);
this.registerToolboxCategoryCallback(Blockly.VARIABLE_DYNAMIC_CATEGORY_NAME,
Blockly.VariablesDynamic.flyoutCategory);
this.registerToolboxCategoryCallback(Blockly.PROCEDURE_CATEGORY_NAME,
Blockly.Procedures.flyoutCategory);
};

4
msg/messages.js
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@@ -62,6 +62,8 @@ Blockly.Msg.LISTS_HUE = '260';
Blockly.Msg.COLOUR_HUE = '20';
/// {{Notranslate}} Hue value for all variable blocks.
Blockly.Msg.VARIABLES_HUE = '330';
/// {{Notranslate}} Hue value for all variable dynamic blocks.
Blockly.Msg.VARIABLES_DYNAMIC_HUE = '310';
/// {{Notranslate}} Hue value for all procedure blocks.
Blockly.Msg.PROCEDURES_HUE = '290';
@@ -121,6 +123,8 @@ Blockly.Msg.RENAME_VARIABLE_TITLE = 'Rename all "%1" variables to:';
// Variable creation
/// button text - Text on the button used to launch the variable creation dialogue.
Blockly.Msg.NEW_VARIABLE = 'Create variable...';
/// prompt - Prompts the user to enter the type for a variable.
Blockly.Msg.NEW_VARIABLE_TYPE_TITLE = 'New variable type:';
/// prompt - Prompts the user to enter the name for a new variable. See [https://github.com/google/blockly/wiki/Variables#dropdown-menu https://github.com/google/blockly/wiki/Variables#dropdown-menu].
Blockly.Msg.NEW_VARIABLE_TITLE = 'New variable name:';
/// alert - Tells the user that the name they entered is already in use.