1 | /**
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2 | * @license
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3 | * Visual Blocks Editor
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4 | *
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5 | * Copyright 2012 Google Inc.
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6 | * https://developers.google.com/blockly/
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7 | *
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8 | * Licensed under the Apache License, Version 2.0 (the "License");
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9 | * you may not use this file except in compliance with the License.
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10 | * You may obtain a copy of the License at
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11 | *
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12 | * http://www.apache.org/licenses/LICENSE-2.0
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13 | *
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14 | * Unless required by applicable law or agreed to in writing, software
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15 | * distributed under the License is distributed on an "AS IS" BASIS,
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16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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17 | * See the License for the specific language governing permissions and
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18 | * limitations under the License.
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19 | */
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20 |
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21 | /**
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22 | * @fileoverview Procedure blocks for Blockly.
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23 | * @author fraser@google.com (Neil Fraser)
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24 | */
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25 | using System;
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26 | using System.Linq;
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27 | using System.Collections.Generic;
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28 | using Bridge;
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29 | using Bridge.Html5;
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30 | using Bridge.Text.RegularExpressions;
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31 |
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32 | namespace WebMrbc
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33 | {
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34 | public abstract class ProceduresDefBlock : Block
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35 | {
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36 | protected string callType_;
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37 | string[] paramIds_;
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38 | bool hasStatements_;
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39 | internal string[] arguments_;
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40 | public Connection statementConnection_;
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41 |
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42 | public ProceduresDefBlock(string type)
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43 | : base(type)
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44 | {
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45 | }
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46 |
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47 | /**
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48 | * Add or remove the statement block from this function definition.
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49 | * @param {boolean} hasStatements True if a statement block is needed.
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50 | * @this Blockly.Block
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51 | */
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52 | public void setStatements_(bool hasStatements)
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53 | {
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54 | if (this.hasStatements_ == hasStatements) {
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55 | return;
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56 | }
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57 | if (hasStatements) {
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58 | this.appendStatementInput("STACK")
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59 | .appendField(Msg.PROCEDURES_DEFNORETURN_DO);
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60 | if (this.getInput("RETURN") != null) {
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61 | this.moveInputBefore("STACK", "RETURN");
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62 | }
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63 | }
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64 | else {
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65 | this.removeInput("STACK", true);
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66 | }
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67 | this.hasStatements_ = hasStatements;
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68 | }
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69 |
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70 | /**
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71 | * Update the display of parameters for this procedure definition block.
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72 | * Display a warning if there are duplicately named parameters.
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73 | * @private
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74 | * @this Blockly.Block
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75 | */
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76 | public void updateParams_()
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77 | {
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78 | // Check for duplicated arguments.
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79 | var badArg = false;
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80 | var hash = new { };
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81 | for (var i = 0; i < this.arguments_.Length; i++) {
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82 | if (Script.Get<bool>(hash, "arg_" + this.arguments_[i].ToLower())) {
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83 | badArg = true;
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84 | break;
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85 | }
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86 | hash["arg_" + this.arguments_[i].ToLower()] = true;
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87 | }
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88 | if (badArg) {
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89 | this.setWarningText(Msg.PROCEDURES_DEF_DUPLICATE_WARNING);
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90 | }
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91 | else {
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92 | this.setWarningText(null);
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93 | }
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94 | // Merge the arguments into a human-readable list.
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95 | var paramString = "";
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96 | if (this.arguments_.Length != 0) {
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97 | paramString = Msg.PROCEDURES_BEFORE_PARAMS +
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98 | " " + this.arguments_.Join(", ");
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99 | }
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100 | // The params field is deterministic based on the mutation,
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101 | // no need to fire a change event.
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102 | Blockly.Events.disable();
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103 | try {
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104 | this.setFieldValue(paramString, "PARAMS");
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105 | }
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106 | finally {
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107 | Blockly.Events.enable();
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108 | }
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109 | }
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110 |
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111 | /**
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112 | * Create XML to represent the argument inputs.
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113 | * @param {=boolean} opt_paramIds If true include the IDs of the parameter
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114 | * quarks. Used by Blockly.Procedures.mutateCallers for reconnection.
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115 | * @return {!Element} XML storage element.
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116 | * @this Blockly.Block
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117 | */
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118 | public Element mutationToDom(bool opt_paramIds)
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119 | {
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120 | var container = Document.CreateElement("mutation");
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121 | if (opt_paramIds) {
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122 | container.SetAttribute("name", this.getFieldValue("NAME"));
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123 | }
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124 | for (var i = 0; i < this.arguments_.Length; i++) {
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125 | var parameter = Document.CreateElement("arg");
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126 | parameter.SetAttribute("name", this.arguments_[i]);
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127 | if (opt_paramIds && this.paramIds_ != null) {
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128 | parameter.SetAttribute("paramId", this.paramIds_[i]);
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129 | }
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130 | container.AppendChild(parameter);
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131 | }
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132 |
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133 | // Save whether the statement input is visible.
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134 | if (!this.hasStatements_) {
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135 | container.SetAttribute("statements", "false");
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136 | }
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137 | return container;
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138 | }
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139 |
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140 | /**
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141 | * Parse XML to restore the argument inputs.
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142 | * @param {!Element} xmlElement XML storage element.
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143 | * @this Blockly.Block
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144 | */
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145 | public void domToMutation(Element xmlElement)
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146 | {
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147 | this.arguments_ = new string[0];
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148 | Element childNode;
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149 | for (var i = 0; (childNode = (dynamic)xmlElement.ChildNodes[i]) != null; i++) {
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150 | if (childNode.NodeName.ToLower() == "arg") {
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151 | this.arguments_.Push(childNode.GetAttribute("name"));
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152 | }
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153 | }
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154 | this.updateParams_();
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155 | Blockly.Procedures.mutateCallers(this);
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156 |
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157 | // Show or hide the statement input.
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158 | this.setStatements_(xmlElement.GetAttribute("statements") != "false");
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159 | }
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160 |
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161 | /**
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162 | * Populate the mutator's dialog with this block's components.
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163 | * @param {!Workspace} workspace Mutator's workspace.
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164 | * @return {!Blockly.Block} Root block in mutator.
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165 | * @this Blockly.Block
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166 | */
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167 | public Block decompose(Workspace workspace)
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168 | {
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169 | var containerBlock = workspace.newBlock(ProceduresMutatorcontainerBlock.type_name);
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170 | containerBlock.initSvg();
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171 |
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172 | // Check/uncheck the allow statement box.
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173 | if (this.getInput("RETURN") != null) {
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174 | containerBlock.setFieldValue(this.hasStatements_ ? "TRUE" : "FALSE", "STATEMENTS");
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175 | }
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176 | else {
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177 | containerBlock.getInput("STATEMENT_INPUT").setVisible(false);
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178 | }
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179 |
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180 | // Parameter list.
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181 | var connection = containerBlock.getInput("STACK").connection;
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182 | for (var i = 0; i < this.arguments_.Length; i++) {
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183 | var paramBlock = (ProceduresMutatorargBlock)workspace.newBlock(ProceduresMutatorargBlock.type_name);
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184 | paramBlock.initSvg();
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185 | paramBlock.setFieldValue(this.arguments_[i], "NAME");
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186 | // Store the old location.
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187 | paramBlock.oldLocation = i;
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188 | connection.connect(paramBlock.previousConnection);
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189 | connection = paramBlock.nextConnection;
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190 | }
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191 | // Initialize procedure's callers with blank IDs.
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192 | Blockly.Procedures.mutateCallers(this);
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193 | return containerBlock;
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194 | }
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195 |
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196 | /**
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197 | * Reconfigure this block based on the mutator dialog's components.
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198 | * @param {!Blockly.Block} containerBlock Root block in mutator.
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199 | * @this Blockly.Block
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200 | */
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201 | public void compose(Block containerBlock)
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202 | {
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203 | // Parameter list.
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204 | this.arguments_ = new string[0];
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205 | this.paramIds_ = new string[0];
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206 | var paramBlock = containerBlock.getInputTargetBlock("STACK");
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207 | while (paramBlock != null) {
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208 | this.arguments_.Push(paramBlock.getFieldValue("NAME"));
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209 | this.paramIds_.Push(paramBlock.id);
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210 | paramBlock = (paramBlock.nextConnection != null) ?
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211 | paramBlock.nextConnection.targetBlock() : null;
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212 | }
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213 | this.updateParams_();
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214 | Blockly.Procedures.mutateCallers(this);
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215 |
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216 | // Show/hide the statement input.
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217 | var hasStatements_ = containerBlock.getFieldValue("STATEMENTS");
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218 | if (hasStatements_ != null) {
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219 | var hasStatements = hasStatements_ == "TRUE";
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220 | if (this.hasStatements_ != hasStatements) {
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221 | if (hasStatements) {
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222 | this.setStatements_(true);
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223 | // Restore the stack, if one was saved.
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224 | Mutator.reconnect(this.statementConnection_, this, "STACK");
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225 | this.statementConnection_ = null;
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226 | }
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227 | else {
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228 | // Save the stack, then disconnect it.
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229 | var stackConnection = this.getInput("STACK").connection;
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230 | this.statementConnection_ = stackConnection.targetConnection;
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231 | if (this.statementConnection_ != null) {
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232 | var stackBlock = stackConnection.targetBlock();
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233 | stackBlock.unplug();
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234 | stackBlock.bumpNeighbours_();
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235 | }
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236 | this.setStatements_(false);
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237 | }
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238 | }
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239 | }
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240 | }
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241 |
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242 | /**
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243 | * Return all variables referenced by this block.
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244 | * @return {!Array.<string>} List of variable names.
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245 | * @this Blockly.Block
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246 | */
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247 | public override string[] getVars()
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248 | {
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249 | return this.arguments_;
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250 | }
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251 |
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252 | /**
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253 | * Notification that a variable is renaming.
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254 | * If the name matches one of this block's variables, rename it.
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255 | * @param {string} oldName Previous name of variable.
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256 | * @param {string} newName Renamed variable.
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257 | * @this Blockly.Block
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258 | */
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259 | public override void renameVar(string oldName, string newName)
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260 | {
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261 | var change = false;
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262 | for (var i = 0; i < this.arguments_.Length; i++) {
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263 | if (Blockly.Names.equals(oldName, this.arguments_[i])) {
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264 | this.arguments_[i] = newName;
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265 | change = true;
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266 | }
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267 | }
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268 | if (change) {
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269 | this.updateParams_();
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270 | // Update the mutator's variables if the mutator is open.
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271 | if (this.mutator.isVisible()) {
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272 | var blocks = this.mutator.workspace_.getAllBlocks();
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273 | Block block;
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274 | for (var i = 0; (block = blocks[i]) != null; i++) {
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275 | if (block.type == ProceduresMutatorargBlock.type_name &&
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276 | Blockly.Names.equals(oldName, block.getFieldValue("NAME"))) {
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277 | block.setFieldValue(newName, "NAME");
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278 | }
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279 | }
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280 | }
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281 | }
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282 | }
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283 |
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284 | /**
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285 | * Add custom menu options to this block's context menu.
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286 | * @param {!Array} options List of menu options to add to.
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287 | * @this Blockly.Block
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288 | */
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289 | public void customContextMenu(object[] options)
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290 | {
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291 | // Add option to create caller.
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292 | var option = new ContextMenuOption() { enabled = true };
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293 | var name = this.getFieldValue("NAME");
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294 | option.text = Msg.PROCEDURES_CREATE_DO.Replace("%1", name);
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295 | var xmlMutation = goog.dom.createDom("mutation");
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296 | xmlMutation.SetAttribute("name", name);
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297 | for (var i = 0; i < this.arguments_.Length; i++) {
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298 | var xmlArg = goog.dom.createDom("arg");
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299 | xmlArg.SetAttribute("name", this.arguments_[i]);
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300 | xmlMutation.AppendChild(xmlArg);
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301 | }
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302 | var xmlBlock = goog.dom.createDom("block", null, xmlMutation);
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303 | xmlBlock.SetAttribute("type", this.callType_);
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304 | option.callback = ContextMenu.callbackFactory(this, xmlBlock);
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305 | options.Push(option);
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306 |
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307 | // Add options to create getters for each parameter.
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308 | if (!this.isCollapsed()) {
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309 | for (var i = 0; i < this.arguments_.Length; i++) {
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310 | option = new ContextMenuOption() { enabled = true };
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311 | name = this.arguments_[i];
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312 | option.text = Msg.VARIABLES_SET_CREATE_GET.Replace("%1", name);
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313 | var xmlField = goog.dom.createDom("field", null, name);
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314 | xmlField.SetAttribute("name", "VAR");
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315 | xmlBlock = goog.dom.createDom("block", null, xmlField);
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316 | xmlBlock.SetAttribute("type", VariablesGetBlock.type_name);
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317 | option.callback = ContextMenu.callbackFactory(this, xmlBlock);
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318 | options.Push(option);
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319 | }
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320 | }
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321 | }
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322 |
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323 | public abstract Tuple<string, string[], bool> getProcedureDef();
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324 | }
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325 |
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326 | public class ProceduresDefnoreturnBlock : ProceduresDefBlock
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327 | {
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328 | public const string type_name = "procedures_defnoreturn";
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329 |
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330 | public ProceduresDefnoreturnBlock()
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331 | : base(type_name)
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332 | {
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333 | callType_ = ProceduresCallnoreturnBlock.type_name;
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334 | }
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335 |
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336 | /**
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337 | * Block for defining a procedure with no return value.
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338 | * @this Blockly.Block
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339 | */
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340 | public void init()
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341 | {
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342 | var nameField = new FieldTextInput(
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343 | Msg.PROCEDURES_DEFNORETURN_PROCEDURE);
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344 | nameField.setValidator((str) => { return Blockly.Procedures.rename(nameField, str); });
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345 | nameField.setSpellcheck(false);
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346 | this.appendDummyInput()
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347 | .appendField(Msg.PROCEDURES_DEFNORETURN_TITLE)
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348 | .appendField(nameField, "NAME")
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349 | .appendField("", "PARAMS");
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350 | this.setMutator(new Mutator(new[] { ProceduresMutatorargBlock.type_name }));
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351 | if ((this.workspace.options.comments ||
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352 | (this.workspace.options.parentWorkspace != null &&
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353 | this.workspace.options.parentWorkspace.options.comments)) &&
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354 | !String.IsNullOrEmpty(Msg.PROCEDURES_DEFNORETURN_COMMENT)) {
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355 | this.setCommentText(Msg.PROCEDURES_DEFNORETURN_COMMENT);
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356 | }
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357 | this.setColour(Blockly.Procedures.HUE);
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358 | this.setTooltip(Msg.PROCEDURES_DEFNORETURN_TOOLTIP);
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359 | this.setHelpUrl(Msg.PROCEDURES_DEFNORETURN_HELPURL);
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360 | this.arguments_ = new string[0];
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361 | this.setStatements_(true);
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362 | this.statementConnection_ = null;
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363 | }
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364 |
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365 | /**
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366 | * Return the signature of this procedure definition.
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367 | * @return {!Array} Tuple containing three elements:
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368 | * - the name of the defined procedure,
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369 | * - a list of all its arguments,
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370 | * - that it DOES NOT have a return value.
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371 | * @this Blockly.Block
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372 | */
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373 | public override Tuple<string, string[], bool> getProcedureDef()
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374 | {
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375 | return new Tuple<string, string[], bool>(this.getFieldValue("NAME"), this.arguments_, false);
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376 | }
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377 | }
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378 |
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379 | public class ProceduresDefreturnBlock : ProceduresDefBlock
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380 | {
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381 | public const string type_name = "procedures_defreturn";
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382 |
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383 | public ProceduresDefreturnBlock()
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384 | : base(type_name)
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385 | {
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386 | callType_ = ProceduresCallreturnBlock.type_name;
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387 | }
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388 |
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389 | /**
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390 | * Block for defining a procedure with a return value.
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391 | * @this Blockly.Block
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392 | */
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393 | public void init()
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394 | {
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395 | var nameField = new FieldTextInput(
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396 | Msg.PROCEDURES_DEFRETURN_PROCEDURE);
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397 | nameField.setValidator((str) => { return Blockly.Procedures.rename(nameField, str); });
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398 | nameField.setSpellcheck(false);
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399 | this.appendDummyInput()
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400 | .appendField(Msg.PROCEDURES_DEFRETURN_TITLE)
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401 | .appendField(nameField, "NAME")
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402 | .appendField("", "PARAMS");
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403 | this.appendValueInput("RETURN")
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404 | .setAlign(Blockly.ALIGN_RIGHT)
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405 | .appendField(Msg.PROCEDURES_DEFRETURN_RETURN);
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406 | this.setMutator(new Mutator(new[] { ProceduresMutatorargBlock.type_name }));
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407 | if ((this.workspace.options.comments ||
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408 | (this.workspace.options.parentWorkspace != null &&
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409 | this.workspace.options.parentWorkspace.options.comments)) &&
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410 | !String.IsNullOrEmpty(Msg.PROCEDURES_DEFRETURN_COMMENT)) {
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411 | this.setCommentText(Msg.PROCEDURES_DEFRETURN_COMMENT);
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412 | }
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413 | this.setColour(Blockly.Procedures.HUE);
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414 | this.setTooltip(Msg.PROCEDURES_DEFRETURN_TOOLTIP);
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415 | this.setHelpUrl(Msg.PROCEDURES_DEFRETURN_HELPURL);
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416 | this.arguments_ = new string[0];
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417 | this.setStatements_(true);
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418 | this.statementConnection_ = null;
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419 | }
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420 |
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421 | /**
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422 | * Return the signature of this procedure definition.
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423 | * @return {!Array} Tuple containing three elements:
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424 | * - the name of the defined procedure,
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425 | * - a list of all its arguments,
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426 | * - that it DOES have a return value.
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427 | * @this Blockly.Block
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428 | */
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429 | public override Tuple<string, string[], bool> getProcedureDef()
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430 | {
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431 | return new Tuple<string, string[], bool>(this.getFieldValue("NAME"), this.arguments_, true);
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432 | }
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433 | }
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434 |
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435 | public class ProceduresMutatorcontainerBlock : Block
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436 | {
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437 | public const string type_name = "procedures_mutatorcontainer";
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438 |
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439 | public ProceduresMutatorcontainerBlock()
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440 | : base(type_name)
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441 | {
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442 | }
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443 |
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444 | /**
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445 | * Mutator block for procedure container.
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446 | * @this Blockly.Block
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447 | */
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448 | public void init()
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449 | {
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450 | this.appendDummyInput()
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451 | .appendField(Msg.PROCEDURES_MUTATORCONTAINER_TITLE);
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452 | this.appendStatementInput("STACK");
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453 | this.appendDummyInput("STATEMENT_INPUT")
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454 | .appendField(Msg.PROCEDURES_ALLOW_STATEMENTS)
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455 | .appendField(new FieldCheckbox("TRUE"), "STATEMENTS");
|
---|
456 | this.setColour(Blockly.Procedures.HUE);
|
---|
457 | this.setTooltip(Msg.PROCEDURES_MUTATORCONTAINER_TOOLTIP);
|
---|
458 | this.contextMenu = false;
|
---|
459 | }
|
---|
460 | }
|
---|
461 |
|
---|
462 | [IgnoreCast]
|
---|
463 | public class ProceduresMutatorargBlock : Block
|
---|
464 | {
|
---|
465 | public const string type_name = "procedures_mutatorarg";
|
---|
466 | public int oldLocation;
|
---|
467 |
|
---|
468 | public ProceduresMutatorargBlock()
|
---|
469 | : base(type_name)
|
---|
470 | {
|
---|
471 | }
|
---|
472 |
|
---|
473 | /**
|
---|
474 | * Mutator block for procedure argument.
|
---|
475 | * @this Blockly.Block
|
---|
476 | */
|
---|
477 | public void init()
|
---|
478 | {
|
---|
479 | var field = new FieldTextInput("x", this.validator_);
|
---|
480 | this.appendDummyInput()
|
---|
481 | .appendField(Msg.PROCEDURES_MUTATORARG_TITLE)
|
---|
482 | .appendField(field, "NAME");
|
---|
483 | this.setPreviousStatement(true);
|
---|
484 | this.setNextStatement(true);
|
---|
485 | this.setColour(Blockly.Procedures.HUE);
|
---|
486 | this.setTooltip(Msg.PROCEDURES_MUTATORARG_TOOLTIP);
|
---|
487 | this.contextMenu = false;
|
---|
488 |
|
---|
489 | // Create the default variable when we drag the block in from the flyout.
|
---|
490 | // Have to do this after installing the field on the block.
|
---|
491 | field.onFinishEditing_ = this.createNewVar_;
|
---|
492 | field.onFinishEditing_("x");
|
---|
493 | }
|
---|
494 |
|
---|
495 | /**
|
---|
496 | * Obtain a valid name for the procedure.
|
---|
497 | * Merge runs of whitespace. Strip leading and trailing whitespace.
|
---|
498 | * Beyond this, all names are legal.
|
---|
499 | * @param {string} newVar User-supplied name.
|
---|
500 | * @return {?string} Valid name, or null if a name was not specified.
|
---|
501 | * @private
|
---|
502 | * @this Blockly.Block
|
---|
503 | */
|
---|
504 | public string validator_(string newVar)
|
---|
505 | {
|
---|
506 | newVar = newVar.Replace(new Regex("[\\s\\xa0]+", "g"), " ").Replace(new Regex("^ | $", "g"), "");
|
---|
507 | return newVar;
|
---|
508 | }
|
---|
509 |
|
---|
510 | /**
|
---|
511 | * Called when focusing away from the text field.
|
---|
512 | * Creates a new variable with this name.
|
---|
513 | * @param {string} newText The new variable name.
|
---|
514 | * @private
|
---|
515 | * @this FieldTextInput
|
---|
516 | */
|
---|
517 | public void createNewVar_(string newText)
|
---|
518 | {
|
---|
519 | var source = this/*((FieldTextInput)this).sourceBlock_*/;
|
---|
520 | if (source != null && source.workspace != null && source.workspace.options != null
|
---|
521 | && source.workspace.options.parentWorkspace != null) {
|
---|
522 | source.workspace.options.parentWorkspace.createVariable(newText);
|
---|
523 | }
|
---|
524 | }
|
---|
525 | }
|
---|
526 |
|
---|
527 | public class ProceduresCallBlock : Block
|
---|
528 | {
|
---|
529 | internal string[] arguments_;
|
---|
530 | protected Dictionary<string, Connection> quarkConnections_;
|
---|
531 | protected string[] quarkIds_;
|
---|
532 | protected bool rendered;
|
---|
533 | protected string defType_;
|
---|
534 |
|
---|
535 | public ProceduresCallBlock(string type)
|
---|
536 | : base(type)
|
---|
537 | {
|
---|
538 | }
|
---|
539 |
|
---|
540 | /**
|
---|
541 | * Returns the name of the procedure this block calls.
|
---|
542 | * @return {string} Procedure name.
|
---|
543 | * @this Blockly.Block
|
---|
544 | */
|
---|
545 | public string getProcedureCall()
|
---|
546 | {
|
---|
547 | // The NAME field is guaranteed to exist, null will never be returned.
|
---|
548 | return /** @type {string} */ (this.getFieldValue("NAME"));
|
---|
549 | }
|
---|
550 |
|
---|
551 | /**
|
---|
552 | * Notification that a procedure is renaming.
|
---|
553 | * If the name matches this block's procedure, rename it.
|
---|
554 | * @param {string} oldName Previous name of procedure.
|
---|
555 | * @param {string} newName Renamed procedure.
|
---|
556 | * @this Blockly.Block
|
---|
557 | */
|
---|
558 | public void renameProcedure(string oldName, string newName)
|
---|
559 | {
|
---|
560 | if (Blockly.Names.equals(oldName, this.getProcedureCall())) {
|
---|
561 | this.setFieldValue(newName, "NAME");
|
---|
562 | this.setTooltip(
|
---|
563 | (this.outputConnection != null ? Msg.PROCEDURES_CALLRETURN_TOOLTIP :
|
---|
564 | Msg.PROCEDURES_CALLNORETURN_TOOLTIP)
|
---|
565 | .Replace("%1", newName));
|
---|
566 | }
|
---|
567 | }
|
---|
568 |
|
---|
569 | /**
|
---|
570 | * Notification that the procedure's parameters have changed.
|
---|
571 | * @param {!Array.<string>} paramNames New param names, e.g. ["x", "y", "z"].
|
---|
572 | * @param {!Array.<string>} paramIds IDs of params (consistent for each
|
---|
573 | * parameter through the life of a mutator, regardless of param renaming),
|
---|
574 | * e.g. ["piua", "f8b_", "oi.o"].
|
---|
575 | * @private
|
---|
576 | * @this Blockly.Block
|
---|
577 | */
|
---|
578 | public void setProcedureParameters_(string[] paramNames, string[] paramIds)
|
---|
579 | {
|
---|
580 | // Data structures:
|
---|
581 | // this.arguments = ["x", "y"]
|
---|
582 | // Existing param names.
|
---|
583 | // this.quarkConnections_ {piua: null, f8b_: Blockly.Connection}
|
---|
584 | // Look-up of paramIds to connections plugged into the call block.
|
---|
585 | // this.quarkIds_ = ["piua", "f8b_"]
|
---|
586 | // Existing param IDs.
|
---|
587 | // Note that quarkConnections_ may include IDs that no longer exist, but
|
---|
588 | // which might reappear if a param is reattached in the mutator.
|
---|
589 | var defBlock = Blockly.Procedures.getDefinition(this.getProcedureCall(),
|
---|
590 | this.workspace);
|
---|
591 | var mutatorOpen = defBlock != null && defBlock.mutator != null &&
|
---|
592 | defBlock.mutator.isVisible();
|
---|
593 | if (!mutatorOpen) {
|
---|
594 | this.quarkConnections_ = new Dictionary<string, Connection>();
|
---|
595 | this.quarkIds_ = null;
|
---|
596 | }
|
---|
597 | if (paramIds == null) {
|
---|
598 | // Reset the quarks (a mutator is about to open).
|
---|
599 | return;
|
---|
600 | }
|
---|
601 | if (goog.array.equals(this.arguments_, paramNames)) {
|
---|
602 | // No change.
|
---|
603 | this.quarkIds_ = paramIds;
|
---|
604 | return;
|
---|
605 | }
|
---|
606 | if (paramIds.Length != paramNames.Length) {
|
---|
607 | throw new Exception("Error: paramNames and paramIds must be the same length.");
|
---|
608 | }
|
---|
609 | this.setCollapsed(false);
|
---|
610 | if (this.quarkIds_ == null) {
|
---|
611 | // Initialize tracking for this block.
|
---|
612 | this.quarkConnections_ = new Dictionary<string, Connection>();
|
---|
613 | if (paramNames.Join("\n") == this.arguments_.Join("\n")) {
|
---|
614 | // No change to the parameters, allow quarkConnections_ to be
|
---|
615 | // populated with the existing connections.
|
---|
616 | this.quarkIds_ = paramIds;
|
---|
617 | }
|
---|
618 | else {
|
---|
619 | this.quarkIds_ = new string[0];
|
---|
620 | }
|
---|
621 | }
|
---|
622 | // Switch off rendering while the block is rebuilt.
|
---|
623 | var savedRendered = this.rendered;
|
---|
624 | this.rendered = false;
|
---|
625 | // Update the quarkConnections_ with existing connections.
|
---|
626 | for (var i = 0; i < this.arguments_.Length; i++) {
|
---|
627 | var input = this.getInput("ARG" + i);
|
---|
628 | if (input != null) {
|
---|
629 | var connection = input.connection.targetConnection;
|
---|
630 | this.quarkConnections_[this.quarkIds_[i]] = connection;
|
---|
631 | if (mutatorOpen && connection != null &&
|
---|
632 | paramIds.IndexOf(this.quarkIds_[i]) == -1) {
|
---|
633 | // This connection should no longer be attached to this block.
|
---|
634 | connection.disconnect();
|
---|
635 | connection.getSourceBlock().bumpNeighbours_();
|
---|
636 | }
|
---|
637 | }
|
---|
638 | }
|
---|
639 | // Rebuild the block's arguments.
|
---|
640 | this.arguments_ = (string[])(new string[0]).Concat(paramNames);
|
---|
641 | this.updateShape_();
|
---|
642 | this.quarkIds_ = paramIds;
|
---|
643 | // Reconnect any child blocks.
|
---|
644 | if (this.quarkIds_ != null) {
|
---|
645 | for (var i = 0; i < this.arguments_.Length; i++) {
|
---|
646 | var quarkId = this.quarkIds_[i];
|
---|
647 | Connection connection;
|
---|
648 | if (this.quarkConnections_.TryGetValue(quarkId, out connection)) {
|
---|
649 | if (!Mutator.reconnect(connection, this, "ARG" + i)) {
|
---|
650 | // Block no longer exists or has been attached elsewhere.
|
---|
651 | Script.Delete(this.quarkConnections_[quarkId]);
|
---|
652 | }
|
---|
653 | }
|
---|
654 | }
|
---|
655 | }
|
---|
656 | // Restore rendering and show the changes.
|
---|
657 | this.rendered = savedRendered;
|
---|
658 | if (this.rendered) {
|
---|
659 | this.render();
|
---|
660 | }
|
---|
661 | }
|
---|
662 |
|
---|
663 | /**
|
---|
664 | * Modify this block to have the correct number of arguments.
|
---|
665 | * @private
|
---|
666 | * @this Blockly.Block
|
---|
667 | */
|
---|
668 | private void updateShape_()
|
---|
669 | {
|
---|
670 | int i;
|
---|
671 | for (i = 0; i < this.arguments_.Length; i++) {
|
---|
672 | var field = this.getField("ARGNAME" + i);
|
---|
673 | if (field != null) {
|
---|
674 | // Ensure argument name is up to date.
|
---|
675 | // The argument name field is deterministic based on the mutation,
|
---|
676 | // no need to fire a change event.
|
---|
677 | Blockly.Events.disable();
|
---|
678 | try {
|
---|
679 | field.setValue(this.arguments_[i]);
|
---|
680 | }
|
---|
681 | finally {
|
---|
682 | Blockly.Events.enable();
|
---|
683 | }
|
---|
684 | }
|
---|
685 | else {
|
---|
686 | // Add new input.
|
---|
687 | field = new FieldLabel(this.arguments_[i]);
|
---|
688 | var input = this.appendValueInput("ARG" + i)
|
---|
689 | .setAlign(Blockly.ALIGN_RIGHT)
|
---|
690 | .appendField(field, "ARGNAME" + i);
|
---|
691 | input.init();
|
---|
692 | }
|
---|
693 | }
|
---|
694 | // Remove deleted inputs.
|
---|
695 | while (this.getInput("ARG" + i) != null) {
|
---|
696 | this.removeInput("ARG" + i);
|
---|
697 | i++;
|
---|
698 | }
|
---|
699 | // Add "with:" if there are parameters, remove otherwise.
|
---|
700 | var topRow = this.getInput("TOPROW");
|
---|
701 | if (topRow != null) {
|
---|
702 | if (this.arguments_.Length != 0) {
|
---|
703 | if (this.getField("WITH") == null) {
|
---|
704 | topRow.appendField(Msg.PROCEDURES_CALL_BEFORE_PARAMS, "WITH");
|
---|
705 | topRow.init();
|
---|
706 | }
|
---|
707 | }
|
---|
708 | else {
|
---|
709 | if (this.getField("WITH") != null) {
|
---|
710 | topRow.removeField("WITH");
|
---|
711 | }
|
---|
712 | }
|
---|
713 | }
|
---|
714 | }
|
---|
715 |
|
---|
716 | /**
|
---|
717 | * Create XML to represent the (non-editable) name and arguments.
|
---|
718 | * @return {!Element} XML storage element.
|
---|
719 | * @this Blockly.Block
|
---|
720 | */
|
---|
721 | public Element mutationToDom()
|
---|
722 | {
|
---|
723 | var container = Document.CreateElement("mutation");
|
---|
724 | container.SetAttribute("name", this.getProcedureCall());
|
---|
725 | for (var i = 0; i < this.arguments_.Length; i++) {
|
---|
726 | var parameter = Document.CreateElement("arg");
|
---|
727 | parameter.SetAttribute("name", this.arguments_[i]);
|
---|
728 | container.AppendChild(parameter);
|
---|
729 | }
|
---|
730 | return container;
|
---|
731 | }
|
---|
732 |
|
---|
733 | /**
|
---|
734 | * Parse XML to restore the (non-editable) name and parameters.
|
---|
735 | * @param {!Element} xmlElement XML storage element.
|
---|
736 | * @this Blockly.Block
|
---|
737 | */
|
---|
738 | public void domToMutation(Element xmlElement)
|
---|
739 | {
|
---|
740 | var name = xmlElement.GetAttribute("name");
|
---|
741 | this.renameProcedure(this.getProcedureCall(), name);
|
---|
742 | var args = new string[0];
|
---|
743 | var paramIds = new string[0];
|
---|
744 | Element childNode;
|
---|
745 | for (var i = 0; (childNode = (dynamic)xmlElement.ChildNodes[i]) != null; i++) {
|
---|
746 | if (childNode.NodeName.ToLower() == "arg") {
|
---|
747 | args.Push(childNode.GetAttribute("name"));
|
---|
748 | paramIds.Push(childNode.GetAttribute("paramId"));
|
---|
749 | }
|
---|
750 | }
|
---|
751 | this.setProcedureParameters_(args, paramIds);
|
---|
752 | }
|
---|
753 |
|
---|
754 | /**
|
---|
755 | * Notification that a variable is renaming.
|
---|
756 | * If the name matches one of this block's variables, rename it.
|
---|
757 | * @param {string} oldName Previous name of variable.
|
---|
758 | * @param {string} newName Renamed variable.
|
---|
759 | * @this Blockly.Block
|
---|
760 | */
|
---|
761 | public override void renameVar(string oldName, string newName)
|
---|
762 | {
|
---|
763 | for (var i = 0; i < this.arguments_.Length; i++) {
|
---|
764 | if (Blockly.Names.equals(oldName, this.arguments_[i])) {
|
---|
765 | this.arguments_[i] = newName;
|
---|
766 | this.getField("ARGNAME" + i).setValue(newName);
|
---|
767 | }
|
---|
768 | }
|
---|
769 | }
|
---|
770 |
|
---|
771 | /**
|
---|
772 | * Procedure calls cannot exist without the corresponding procedure
|
---|
773 | * definition. Enforce this link whenever an event is fired.
|
---|
774 | * @this Blockly.Block
|
---|
775 | */
|
---|
776 | public void onchange(Abstract e)
|
---|
777 | {
|
---|
778 | if (this.workspace == null || this.workspace.isFlyout) {
|
---|
779 | // Block is deleted or is in a flyout.
|
---|
780 | return;
|
---|
781 | }
|
---|
782 | if (e.type == Events.CREATE &&
|
---|
783 | ((Create)e).ids.IndexOf(this.id) != -1) {
|
---|
784 | // Look for the case where a procedure call was created (usually through
|
---|
785 | // paste) and there is no matching definition. In this case, create
|
---|
786 | // an empty definition block with the correct signature.
|
---|
787 | var name = this.getProcedureCall();
|
---|
788 | var def = Blockly.Procedures.getDefinition(name, this.workspace);
|
---|
789 | if (def != null && (def.type != this.defType_ ||
|
---|
790 | JSON.Stringify(((dynamic)def).arguments_) != JSON.Stringify(this.arguments_))) {
|
---|
791 | // The signatures don"t match.
|
---|
792 | def = null;
|
---|
793 | }
|
---|
794 | if (def == null) {
|
---|
795 | Blockly.Events.setGroup(e.group);
|
---|
796 | /**
|
---|
797 | * Create matching definition block.
|
---|
798 | * <xml>
|
---|
799 | * <block type="procedures_defreturn" x="10" y="20">
|
---|
800 | * <mutation name="test">
|
---|
801 | * <arg name="x"></arg>
|
---|
802 | * </mutation>
|
---|
803 | * <field name="NAME">test</field>
|
---|
804 | * </block>
|
---|
805 | * </xml>
|
---|
806 | */
|
---|
807 | var xml = goog.dom.createDom("xml");
|
---|
808 | var block = goog.dom.createDom("block");
|
---|
809 | block.SetAttribute("type", this.defType_);
|
---|
810 | var xy = this.getRelativeToSurfaceXY();
|
---|
811 | var x = xy.x + Blockly.SNAP_RADIUS * (this.RTL ? -1 : 1);
|
---|
812 | var y = xy.y + Blockly.SNAP_RADIUS * 2;
|
---|
813 | block.SetAttribute("x", x.ToString());
|
---|
814 | block.SetAttribute("y", y.ToString());
|
---|
815 | var mutation = this.mutationToDom();
|
---|
816 | block.AppendChild(mutation);
|
---|
817 | var field = goog.dom.createDom("field");
|
---|
818 | field.SetAttribute("name", "NAME");
|
---|
819 | field.AppendChild(Document.CreateTextNode(this.getProcedureCall()));
|
---|
820 | block.AppendChild(field);
|
---|
821 | xml.AppendChild(block);
|
---|
822 | Blockly.Xml.domToWorkspace(xml, this.workspace);
|
---|
823 | Blockly.Events.setGroup(false.ToString());
|
---|
824 | }
|
---|
825 | }
|
---|
826 | else if (e.type == Events.DELETE) {
|
---|
827 | // Look for the case where a procedure definition has been deleted,
|
---|
828 | // leaving this block (a procedure call) orphaned. In this case, delete
|
---|
829 | // the orphan.
|
---|
830 | var name = this.getProcedureCall();
|
---|
831 | var def = Blockly.Procedures.getDefinition(name, this.workspace);
|
---|
832 | if (def == null) {
|
---|
833 | Blockly.Events.setGroup(e.group);
|
---|
834 | this.dispose(true/*, false*/);
|
---|
835 | Blockly.Events.setGroup(false.ToString());
|
---|
836 | }
|
---|
837 | }
|
---|
838 | }
|
---|
839 | }
|
---|
840 |
|
---|
841 | public class ProceduresCallnoreturnBlock : ProceduresCallBlock
|
---|
842 | {
|
---|
843 | public const string type_name = "procedures_callnoreturn";
|
---|
844 |
|
---|
845 | public ProceduresCallnoreturnBlock()
|
---|
846 | : base(type_name)
|
---|
847 | {
|
---|
848 | defType_ = ProceduresDefnoreturnBlock.type_name;
|
---|
849 | }
|
---|
850 |
|
---|
851 | /**
|
---|
852 | * Block for calling a procedure with no return value.
|
---|
853 | * @this Blockly.Block
|
---|
854 | */
|
---|
855 | public void init()
|
---|
856 | {
|
---|
857 | this.appendDummyInput("TOPROW")
|
---|
858 | .appendField(this.id, "NAME");
|
---|
859 | this.setPreviousStatement(true);
|
---|
860 | this.setNextStatement(true);
|
---|
861 | this.setColour(Blockly.Procedures.HUE);
|
---|
862 | // Tooltip is set in renameProcedure.
|
---|
863 | this.setHelpUrl(Msg.PROCEDURES_CALLNORETURN_HELPURL);
|
---|
864 | this.arguments_ = new string[0];
|
---|
865 | this.quarkConnections_ = new Dictionary<string, Connection>();
|
---|
866 | this.quarkIds_ = null;
|
---|
867 | }
|
---|
868 |
|
---|
869 | /**
|
---|
870 | * Add menu option to find the definition block for this call.
|
---|
871 | * @param {!Array} options List of menu options to add to.
|
---|
872 | * @this Blockly.Block
|
---|
873 | */
|
---|
874 | public void customContextMenu(object[] options)
|
---|
875 | {
|
---|
876 | var option = new ContextMenuOption() { enabled = true };
|
---|
877 | option.text = Msg.PROCEDURES_HIGHLIGHT_DEF;
|
---|
878 | var name = this.getProcedureCall();
|
---|
879 | var workspace = this.workspace;
|
---|
880 | option.callback = () => {
|
---|
881 | var def = Blockly.Procedures.getDefinition(name, workspace);
|
---|
882 | if (def != null)
|
---|
883 | def.select();
|
---|
884 | };
|
---|
885 | options.Push(option);
|
---|
886 | }
|
---|
887 | }
|
---|
888 |
|
---|
889 | public class ProceduresCallreturnBlock : ProceduresCallBlock
|
---|
890 | {
|
---|
891 | public const string type_name = "procedures_callreturn";
|
---|
892 |
|
---|
893 | public ProceduresCallreturnBlock()
|
---|
894 | : base(type_name)
|
---|
895 | {
|
---|
896 | defType_ = ProceduresDefreturnBlock.type_name;
|
---|
897 | }
|
---|
898 |
|
---|
899 | /**
|
---|
900 | * Block for calling a procedure with a return value.
|
---|
901 | * @this Blockly.Block
|
---|
902 | */
|
---|
903 | public void init()
|
---|
904 | {
|
---|
905 | this.appendDummyInput("TOPROW")
|
---|
906 | .appendField("", "NAME");
|
---|
907 | this.setOutput(true);
|
---|
908 | this.setColour(Blockly.Procedures.HUE);
|
---|
909 | // Tooltip is set in domToMutation.
|
---|
910 | this.setHelpUrl(Msg.PROCEDURES_CALLRETURN_HELPURL);
|
---|
911 | this.arguments_ = new string[0];
|
---|
912 | this.quarkConnections_ = new Dictionary<string, Connection>();
|
---|
913 | this.quarkIds_ = null;
|
---|
914 | }
|
---|
915 | }
|
---|
916 |
|
---|
917 | public class ProceduresIfreturnBlock : Block
|
---|
918 | {
|
---|
919 | public const string type_name = "procedures_ifreturn";
|
---|
920 | internal bool hasReturnValue_;
|
---|
921 |
|
---|
922 | public ProceduresIfreturnBlock()
|
---|
923 | : base(type_name)
|
---|
924 | {
|
---|
925 | }
|
---|
926 |
|
---|
927 | /**
|
---|
928 | * Block for conditionally returning a value from a procedure.
|
---|
929 | * @this Blockly.Block
|
---|
930 | */
|
---|
931 | public void init()
|
---|
932 | {
|
---|
933 | this.appendValueInput("CONDITION")
|
---|
934 | .setCheck("Boolean")
|
---|
935 | .appendField(Msg.CONTROLS_IF_MSG_IF);
|
---|
936 | this.appendValueInput("VALUE")
|
---|
937 | .appendField(Msg.PROCEDURES_DEFRETURN_RETURN);
|
---|
938 | this.setInputsInline(true);
|
---|
939 | this.setPreviousStatement(true);
|
---|
940 | this.setNextStatement(true);
|
---|
941 | this.setColour(Blockly.Procedures.HUE);
|
---|
942 | this.setTooltip(Msg.PROCEDURES_IFRETURN_TOOLTIP);
|
---|
943 | this.setHelpUrl(Msg.PROCEDURES_IFRETURN_HELPURL);
|
---|
944 | this.hasReturnValue_ = true;
|
---|
945 | }
|
---|
946 |
|
---|
947 | /**
|
---|
948 | * Create XML to represent whether this block has a return value.
|
---|
949 | * @return {!Element} XML storage element.
|
---|
950 | * @this Blockly.Block
|
---|
951 | */
|
---|
952 | public Element mutationToDom()
|
---|
953 | {
|
---|
954 | var container = Document.CreateElement("mutation");
|
---|
955 | container.SetAttribute("value", this.hasReturnValue_ ? "1" : "0");
|
---|
956 | return container;
|
---|
957 | }
|
---|
958 |
|
---|
959 | /**
|
---|
960 | * Parse XML to restore whether this block has a return value.
|
---|
961 | * @param {!Element} xmlElement XML storage element.
|
---|
962 | * @this Blockly.Block
|
---|
963 | */
|
---|
964 | public void domToMutation(Element xmlElement)
|
---|
965 | {
|
---|
966 | var value = xmlElement.GetAttribute("value");
|
---|
967 | this.hasReturnValue_ = (value == "1");
|
---|
968 | if (!this.hasReturnValue_) {
|
---|
969 | this.removeInput("VALUE");
|
---|
970 | this.appendDummyInput("VALUE")
|
---|
971 | .appendField(Msg.PROCEDURES_DEFRETURN_RETURN);
|
---|
972 | }
|
---|
973 | }
|
---|
974 |
|
---|
975 | /**
|
---|
976 | * Called whenever anything on the workspace changes.
|
---|
977 | * Add warning if this flow block is not nested inside a loop.
|
---|
978 | * @param {!Abstract} e Change event.
|
---|
979 | * @this Blockly.Block
|
---|
980 | */
|
---|
981 | public void onchange(Abstract e)
|
---|
982 | {
|
---|
983 | if (((WorkspaceSvg)this.workspace).isDragging()) {
|
---|
984 | return; // Don't change state at the start of a drag.
|
---|
985 | }
|
---|
986 | var legal = false;
|
---|
987 | // Is the block nested in a procedure?
|
---|
988 | var block = (Block)this;
|
---|
989 | do {
|
---|
990 | if (this.FUNCTION_TYPES.IndexOf(block.type) != -1) {
|
---|
991 | legal = true;
|
---|
992 | break;
|
---|
993 | }
|
---|
994 | block = block.getSurroundParent();
|
---|
995 | } while (block != null);
|
---|
996 | if (legal) {
|
---|
997 | // If needed, toggle whether this block has a return value.
|
---|
998 | if (block.type == ProceduresDefnoreturnBlock.type_name && this.hasReturnValue_) {
|
---|
999 | this.removeInput("VALUE");
|
---|
1000 | this.appendDummyInput("VALUE")
|
---|
1001 | .appendField(Msg.PROCEDURES_DEFRETURN_RETURN);
|
---|
1002 | this.hasReturnValue_ = false;
|
---|
1003 | }
|
---|
1004 | else if (block.type == ProceduresDefreturnBlock.type_name && !this.hasReturnValue_) {
|
---|
1005 | this.removeInput("VALUE");
|
---|
1006 | this.appendValueInput("VALUE")
|
---|
1007 | .appendField(Msg.PROCEDURES_DEFRETURN_RETURN);
|
---|
1008 | this.hasReturnValue_ = true;
|
---|
1009 | }
|
---|
1010 | this.setWarningText(null);
|
---|
1011 | if (!this.isInFlyout) {
|
---|
1012 | this.setDisabled(false);
|
---|
1013 | }
|
---|
1014 | }
|
---|
1015 | else {
|
---|
1016 | this.setWarningText(Msg.PROCEDURES_IFRETURN_WARNING);
|
---|
1017 | if (!this.isInFlyout && !this.getInheritedDisabled()) {
|
---|
1018 | this.setDisabled(true);
|
---|
1019 | }
|
---|
1020 | }
|
---|
1021 | }
|
---|
1022 |
|
---|
1023 | /**
|
---|
1024 | * List of block types that are functions and thus do not need warnings.
|
---|
1025 | * To add a new function type add this to your code:
|
---|
1026 | * Blockly.Blocks["procedures_ifreturn"].FUNCTION_TYPES.push("custom_func");
|
---|
1027 | */
|
---|
1028 | string[] FUNCTION_TYPES = new[] { ProceduresDefnoreturnBlock.type_name, ProceduresDefreturnBlock.type_name };
|
---|
1029 | }
|
---|
1030 | }
|
---|