[270] | 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 Logic blocks for Blockly.
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| 23 | * @author q.neutron@gmail.com (Quynh Neutron)
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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.Text;
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| 28 | using Bridge;
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| 29 | using Bridge.Html5;
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| 30 | using Bridge.jQuery2;
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| 31 |
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| 32 | namespace WebMrbc
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| 33 | {
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| 34 | public class Logic
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| 35 | {
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| 36 | /**
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| 37 | * Common HSV hue for all blocks in this category.
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| 38 | */
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| 39 | public static int HUE = 210;
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| 40 | }
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| 41 |
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| 42 | public class ControlsIfBlock : Block
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| 43 | {
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| 44 | public const string type_name = "controls_if";
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| 45 | internal int elseifCount_;
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| 46 | internal int elseCount_;
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| 47 |
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| 48 | public ControlsIfBlock()
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| 49 | : base(type_name)
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| 50 | {
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| 51 | }
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| 52 |
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| 53 | /**
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| 54 | * Block for if/elseif/else condition.
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| 55 | * @this Blockly.Block
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| 56 | */
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| 57 | public void init()
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| 58 | {
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| 59 | this.setHelpUrl(Msg.CONTROLS_IF_HELPURL);
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| 60 | this.setColour(Logic.HUE);
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| 61 | this.appendValueInput("IF0")
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| 62 | .setCheck("Boolean")
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| 63 | .appendField(Msg.CONTROLS_IF_MSG_IF);
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| 64 | this.appendStatementInput("DO0")
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| 65 | .appendField(Msg.CONTROLS_IF_MSG_THEN);
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| 66 | this.setPreviousStatement(true);
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| 67 | this.setNextStatement(true);
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| 68 | this.setMutator(new Mutator(new[] { ControlsIfElseIfBlock.type_name, ControlsIfElseBlock.type_name }));
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| 69 | // Assign "this" to a variable for use in the tooltip closure below.
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| 70 | var thisBlock = this;
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| 71 | this.setTooltip(new Func<string>(() => {
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| 72 | if (thisBlock.elseifCount_ == 0 && thisBlock.elseCount_ == 0) {
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| 73 | return Msg.CONTROLS_IF_TOOLTIP_1;
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| 74 | }
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| 75 | else if (thisBlock.elseifCount_ == 0 && thisBlock.elseCount_ != 0) {
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| 76 | return Msg.CONTROLS_IF_TOOLTIP_2;
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| 77 | }
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| 78 | else if (thisBlock.elseifCount_ != 0 && thisBlock.elseCount_ == 0) {
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| 79 | return Msg.CONTROLS_IF_TOOLTIP_3;
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| 80 | }
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| 81 | else if (thisBlock.elseifCount_ != 0 && thisBlock.elseCount_ != 0) {
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| 82 | return Msg.CONTROLS_IF_TOOLTIP_4;
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| 83 | }
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| 84 | return "";
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| 85 | }));
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| 86 | this.elseifCount_ = 0;
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| 87 | this.elseCount_ = 0;
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| 88 | }
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| 89 |
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| 90 | /**
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| 91 | * Create XML to represent the number of else-if and else inputs.
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| 92 | * @return {Element} XML storage element.
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| 93 | * @this Blockly.Block
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| 94 | */
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| 95 | public Element mutationToDom()
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| 96 | {
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| 97 | if (this.elseifCount_ == 0 && this.elseCount_ == 0) {
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| 98 | return null;
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| 99 | }
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| 100 | var container = Document.CreateElement("mutation");
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| 101 | if (this.elseifCount_ != 0) {
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| 102 | container.SetAttribute("elseif", this.elseifCount_.ToString());
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| 103 | }
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| 104 | if (this.elseCount_ != 0) {
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| 105 | container.SetAttribute("else", "1");
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| 106 | }
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| 107 | return container;
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| 108 | }
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| 109 |
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| 110 | /**
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| 111 | * Parse XML to restore the else-if and else inputs.
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| 112 | * @param {!Element} xmlElement XML storage element.
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| 113 | * @this Blockly.Block
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| 114 | */
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| 115 | public void domToMutation(Element xmlElement)
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| 116 | {
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| 117 | var count = xmlElement.GetAttribute("elseif");
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| 118 | this.elseifCount_ = count == null ? 0 : Script.ParseInt(count, 10);
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| 119 | count = xmlElement.GetAttribute("else");
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| 120 | this.elseCount_ = count == null ? 0 : Script.ParseInt(count, 10);
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| 121 | this.updateShape_();
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| 122 | }
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| 123 |
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| 124 | /**
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| 125 | * Populate the mutator's dialog with this block's components.
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| 126 | * @param {!Workspace} workspace Mutator's workspace.
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| 127 | * @return {!Blockly.Block} Root block in mutator.
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| 128 | * @this Blockly.Block
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| 129 | */
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| 130 | public Block decompose(Workspace workspace)
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| 131 | {
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| 132 | var containerBlock = workspace.newBlock(ControlsIfIfBlock.type_name);
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| 133 | containerBlock.initSvg();
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| 134 | var connection = containerBlock.nextConnection;
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| 135 | for (var i = 1; i <= this.elseifCount_; i++) {
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| 136 | var elseifBlock = workspace.newBlock(ControlsIfElseIfBlock.type_name);
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| 137 | elseifBlock.initSvg();
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| 138 | connection.connect(elseifBlock.previousConnection);
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| 139 | connection = elseifBlock.nextConnection;
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| 140 | }
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| 141 | if (this.elseCount_ != 0) {
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| 142 | var elseBlock = workspace.newBlock(ControlsIfElseBlock.type_name);
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| 143 | elseBlock.initSvg();
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| 144 | connection.connect(elseBlock.previousConnection);
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| 145 | }
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| 146 | return containerBlock;
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| 147 | }
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| 148 |
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| 149 | /**
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| 150 | * Reconfigure this block based on the mutator dialog's components.
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| 151 | * @param {!Blockly.Block} containerBlock Root block in mutator.
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| 152 | * @this Blockly.Block
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| 153 | */
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| 154 | public void compose(Block containerBlock)
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| 155 | {
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| 156 | var clauseBlock = containerBlock.nextConnection.targetBlock();
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| 157 | // Count number of inputs.
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| 158 | this.elseifCount_ = 0;
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| 159 | this.elseCount_ = 0;
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| 160 | var valueConnections = new Connection[] { null };
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| 161 | var statementConnections = new Connection[] { null };
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| 162 | var elseStatementConnection = (Connection)null;
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| 163 | while (clauseBlock != null) {
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| 164 | switch (clauseBlock.type) {
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| 165 | case ControlsIfElseIfBlock.type_name:
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| 166 | this.elseifCount_++;
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| 167 | valueConnections.Push(((ControlsIfElseIfBlock)clauseBlock).valueConnection_);
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| 168 | statementConnections.Push(((ControlsIfElseIfBlock)clauseBlock).statementConnection_);
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| 169 | break;
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| 170 | case ControlsIfElseBlock.type_name:
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| 171 | this.elseCount_++;
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| 172 | elseStatementConnection = ((ControlsIfElseBlock)clauseBlock).statementConnection_;
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| 173 | break;
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| 174 | default:
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| 175 | throw new Exception("Unknown block type.");
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| 176 | }
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| 177 | clauseBlock = (clauseBlock.nextConnection != null) ?
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| 178 | clauseBlock.nextConnection.targetBlock() : null;
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| 179 | }
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| 180 | this.updateShape_();
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| 181 | // Reconnect any child blocks.
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| 182 | for (var i = 1; i <= this.elseifCount_; i++) {
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| 183 | Mutator.reconnect(valueConnections[i], this, "IF" + i);
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| 184 | Mutator.reconnect(statementConnections[i], this, "DO" + i);
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| 185 | }
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| 186 | Mutator.reconnect(elseStatementConnection, this, "ELSE");
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| 187 | }
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| 188 |
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| 189 | /**
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| 190 | * Store pointers to any connected child blocks.
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| 191 | * @param {!Blockly.Block} containerBlock Root block in mutator.
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| 192 | * @this Blockly.Block
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| 193 | */
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| 194 | public void saveConnections(Block containerBlock)
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| 195 | {
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| 196 | var clauseBlock = containerBlock.nextConnection.targetBlock();
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| 197 | var i = 1;
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| 198 | while (clauseBlock != null) {
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| 199 | switch (clauseBlock.type) {
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| 200 | case ControlsIfElseIfBlock.type_name: {
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| 201 | var inputIf = this.getInput("IF" + i);
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| 202 | var inputDo = this.getInput("DO" + i);
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| 203 | ((ControlsIfElseIfBlock)clauseBlock).valueConnection_ =
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| 204 | (inputIf != null) ? inputIf.connection.targetConnection : null;
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| 205 | ((ControlsIfElseIfBlock)clauseBlock).statementConnection_ =
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| 206 | (inputDo != null) ? inputDo.connection.targetConnection : null;
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| 207 | i++;
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| 208 | }
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| 209 | break;
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| 210 | case ControlsIfElseBlock.type_name: {
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| 211 | var inputDo = this.getInput("ELSE");
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| 212 | ((ControlsIfElseBlock)clauseBlock).statementConnection_ =
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| 213 | (inputDo != null) ? inputDo.connection.targetConnection : null;
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| 214 | }
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| 215 | break;
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| 216 | default:
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| 217 | throw new Exception("Unknown block type.");
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| 218 | }
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| 219 | clauseBlock = (clauseBlock.nextConnection != null) ?
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| 220 | clauseBlock.nextConnection.targetBlock() : null;
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| 221 | }
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| 222 | }
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| 223 |
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| 224 | /**
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| 225 | * Modify this block to have the correct number of inputs.
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| 226 | * @private
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| 227 | * @this Blockly.Block
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| 228 | */
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| 229 | private void updateShape_()
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| 230 | {
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| 231 | // Delete everything.
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| 232 | if (this.getInput("ELSE") != null) {
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| 233 | this.removeInput("ELSE");
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| 234 | }
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| 235 | var i = 1;
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| 236 | while (this.getInput("IF" + i) != null) {
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| 237 | this.removeInput("IF" + i);
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| 238 | this.removeInput("DO" + i);
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| 239 | i++;
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| 240 | }
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| 241 | // Rebuild block.
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| 242 | for (i = 1; i <= this.elseifCount_; i++) {
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| 243 | this.appendValueInput("IF" + i)
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| 244 | .setCheck("Boolean")
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| 245 | .appendField(Msg.CONTROLS_IF_MSG_ELSEIF);
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| 246 | this.appendStatementInput("DO" + i)
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| 247 | .appendField(Msg.CONTROLS_IF_MSG_THEN);
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| 248 | }
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| 249 | if (this.elseCount_ != 0) {
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| 250 | this.appendStatementInput("ELSE")
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| 251 | .appendField(Msg.CONTROLS_IF_MSG_ELSE);
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| 252 | }
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| 253 | }
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| 254 | }
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| 255 |
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| 256 | public class ControlsIfIfBlock : Block
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| 257 | {
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| 258 | public const string type_name = "controls_if_if";
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| 259 |
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| 260 | public ControlsIfIfBlock()
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| 261 | : base(type_name)
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| 262 | {
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| 263 | }
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| 264 |
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| 265 | /**
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| 266 | * Mutator block for if container.
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| 267 | * @this Blockly.Block
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| 268 | */
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| 269 | public void init()
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| 270 | {
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| 271 | this.setColour(Logic.HUE);
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| 272 | this.appendDummyInput()
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| 273 | .appendField(Msg.CONTROLS_IF_IF_TITLE_IF);
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| 274 | this.setNextStatement(true);
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| 275 | this.setTooltip(Msg.CONTROLS_IF_IF_TOOLTIP);
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| 276 | this.contextMenu = false;
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| 277 | }
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| 278 | }
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| 279 |
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| 280 | [IgnoreCast]
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| 281 | public class ControlsIfElseIfBlock : Block
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| 282 | {
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| 283 | public const string type_name = "controls_if_elseif";
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| 284 | public Connection valueConnection_;
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| 285 | public Connection statementConnection_;
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| 286 |
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| 287 | public ControlsIfElseIfBlock()
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| 288 | : base(type_name)
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| 289 | {
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| 290 | }
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| 291 |
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| 292 | /**
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| 293 | * Mutator bolck for else-if condition.
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| 294 | * @this Blockly.Block
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| 295 | */
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| 296 | public void init()
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| 297 | {
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| 298 | this.setColour(Logic.HUE);
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| 299 | this.appendDummyInput()
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| 300 | .appendField(Msg.CONTROLS_IF_ELSEIF_TITLE_ELSEIF);
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| 301 | this.setPreviousStatement(true);
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| 302 | this.setNextStatement(true);
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| 303 | this.setTooltip(Msg.CONTROLS_IF_ELSEIF_TOOLTIP);
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| 304 | this.contextMenu = false;
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| 305 | }
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| 306 | }
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| 307 |
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| 308 | [IgnoreCast]
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| 309 | public class ControlsIfElseBlock : Block
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| 310 | {
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| 311 | public const string type_name = "controls_if_else";
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| 312 | public Connection statementConnection_;
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| 313 |
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| 314 | public ControlsIfElseBlock()
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| 315 | : base(type_name)
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| 316 | {
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| 317 | }
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| 318 |
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| 319 | /**
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| 320 | * Mutator block for else condition.
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| 321 | * @this Blockly.Block
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| 322 | */
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| 323 | public void init()
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| 324 | {
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| 325 | this.setColour(Logic.HUE);
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| 326 | this.appendDummyInput()
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| 327 | .appendField(Msg.CONTROLS_IF_ELSE_TITLE_ELSE);
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| 328 | this.setPreviousStatement(true);
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| 329 | this.setTooltip(Msg.CONTROLS_IF_ELSE_TOOLTIP);
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| 330 | this.contextMenu = false;
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| 331 | }
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| 332 | }
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| 333 |
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| 334 | public class LogicCompareBlock : Block
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| 335 | {
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| 336 | public const string type_name = "logic_compare";
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| 337 |
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| 338 | public LogicCompareBlock()
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| 339 | : base(type_name)
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| 340 | {
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| 341 | }
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| 342 |
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| 343 | /**
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| 344 | * Block for comparison operator.
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| 345 | * @this Blockly.Block
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| 346 | */
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| 347 | public void init()
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| 348 | {
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| 349 | var rtlOperators = new[] {
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| 350 | new [] {"=", "EQ"},
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| 351 | new [] {"\u2260", "NEQ"},
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| 352 | new [] {"\u200F<\u200F", "LT"},
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| 353 | new [] {"\u200F\u2264\u200F", "LTE"},
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| 354 | new [] {"\u200F>\u200F", "GT"},
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| 355 | new [] {"\u200F\u2265\u200F", "GTE"}
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| 356 | };
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| 357 | var ltrOperators = new[] {
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| 358 | new [] {"=", "EQ"},
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| 359 | new [] {"\u2260", "NEQ"},
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| 360 | new [] {"<", "LT"},
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| 361 | new [] {"\u2264", "LTE"},
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| 362 | new [] {">", "GT"},
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| 363 | new [] {"\u2265", "GTE"}
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| 364 | };
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| 365 | var OPERATORS = this.RTL ? rtlOperators : ltrOperators;
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| 366 | this.setHelpUrl(Msg.LOGIC_COMPARE_HELPURL);
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| 367 | this.setColour(Logic.HUE);
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| 368 | this.setOutput(true, "Boolean");
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| 369 | this.appendValueInput("A");
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| 370 | this.appendValueInput("B")
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| 371 | .appendField(new FieldDropdown(OPERATORS), "OP");
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| 372 | this.setInputsInline(true);
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| 373 | // Assign "this" to a variable for use in the tooltip closure below.
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| 374 | var thisBlock = this;
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| 375 | this.setTooltip(new Func<string>(() => {
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| 376 | switch (thisBlock.getFieldValue("OP")) {
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| 377 | case "EQ": return Msg.LOGIC_COMPARE_TOOLTIP_EQ;
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| 378 | case "NEQ": return Msg.LOGIC_COMPARE_TOOLTIP_NEQ;
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| 379 | case "LT": return Msg.LOGIC_COMPARE_TOOLTIP_LT;
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| 380 | case "LTE": return Msg.LOGIC_COMPARE_TOOLTIP_LTE;
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| 381 | case "GT": return Msg.LOGIC_COMPARE_TOOLTIP_GT;
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| 382 | case "GTE": return Msg.LOGIC_COMPARE_TOOLTIP_GTE;
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| 383 | }
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| 384 | return "";
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| 385 | }));
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| 386 | this.prevBlocks_ = new Block[] { null, null };
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| 387 | }
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| 388 |
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| 389 | /**
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| 390 | * Called whenever anything on the workspace changes.
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| 391 | * Prevent mismatched types from being compared.
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| 392 | * @param {!Abstract} e Change event.
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| 393 | * @this Blockly.Block
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| 394 | */
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| 395 | public void onchange(Abstract e)
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| 396 | {
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| 397 | var blockA = this.getInputTargetBlock("A");
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| 398 | var blockB = this.getInputTargetBlock("B");
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| 399 | // Disconnect blocks that existed prior to this change if they don"t match.
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| 400 | if (blockA != null && blockB != null &&
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| 401 | !blockA.outputConnection.checkType_(blockB.outputConnection)) {
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| 402 | // Mismatch between two inputs. Disconnect previous and bump it away.
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| 403 | // Ensure that any disconnections are grouped with the causing event.
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| 404 | Blockly.Events.setGroup(e.group);
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| 405 | for (var i = 0; i < this.prevBlocks_.Length; i++) {
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| 406 | var block = this.prevBlocks_[i];
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| 407 | if (block == blockA || block == blockB) {
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| 408 | block.unplug();
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| 409 | block.bumpNeighbours_();
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| 410 | }
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| 411 | }
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| 412 | Blockly.Events.setGroup(false.ToString());
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| 413 | }
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| 414 | this.prevBlocks_[0] = blockA;
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| 415 | this.prevBlocks_[1] = blockB;
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| 416 | }
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| 417 | }
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| 418 |
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| 419 | public class LogicOperationBlock : Block
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| 420 | {
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| 421 | public const string type_name = "logic_operation";
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| 422 |
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| 423 | public LogicOperationBlock()
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| 424 | : base(type_name)
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| 425 | {
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| 426 | }
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| 427 |
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| 428 | /**
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| 429 | * Block for logical operations: "and", "or".
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| 430 | * @this Blockly.Block
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| 431 | */
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| 432 | public void init()
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| 433 | {
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| 434 | var OPERATORS = new[] {
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| 435 | new [] {Msg.LOGIC_OPERATION_AND, "AND"},
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| 436 | new [] {Msg.LOGIC_OPERATION_OR, "OR"}
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| 437 | };
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| 438 | this.setHelpUrl(Msg.LOGIC_OPERATION_HELPURL);
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| 439 | this.setColour(Logic.HUE);
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| 440 | this.setOutput(true, "Boolean");
|
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| 441 | this.appendValueInput("A")
|
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| 442 | .setCheck("Boolean");
|
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| 443 | this.appendValueInput("B")
|
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| 444 | .setCheck("Boolean")
|
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| 445 | .appendField(new FieldDropdown(OPERATORS), "OP");
|
---|
| 446 | this.setInputsInline(true);
|
---|
| 447 | // Assign "this" to a variable for use in the tooltip closure below.
|
---|
| 448 | var thisBlock = this;
|
---|
| 449 | this.setTooltip(new Func<string>(() => {
|
---|
| 450 | switch (thisBlock.getFieldValue("OP")) {
|
---|
| 451 | case "AND": return Msg.LOGIC_OPERATION_TOOLTIP_AND;
|
---|
| 452 | case "OR": return Msg.LOGIC_OPERATION_TOOLTIP_OR;
|
---|
| 453 | }
|
---|
| 454 | return "";
|
---|
| 455 | }));
|
---|
| 456 | }
|
---|
| 457 | }
|
---|
| 458 |
|
---|
| 459 | public class LogicNegateBlock : Block
|
---|
| 460 | {
|
---|
| 461 | public const string type_name = "logic_negate";
|
---|
| 462 |
|
---|
| 463 | public LogicNegateBlock()
|
---|
| 464 | : base(type_name)
|
---|
| 465 | {
|
---|
| 466 | }
|
---|
| 467 |
|
---|
| 468 | /**
|
---|
| 469 | * Block for negation.
|
---|
| 470 | * @this Blockly.Block
|
---|
| 471 | */
|
---|
| 472 | public void init()
|
---|
| 473 | {
|
---|
| 474 | this.jsonInit(new {
|
---|
| 475 | message0 = Msg.LOGIC_NEGATE_TITLE,
|
---|
| 476 | args0 = new object[] {
|
---|
| 477 | new {
|
---|
| 478 | type = "input_value",
|
---|
| 479 | name = "BOOL",
|
---|
| 480 | check = "Boolean"
|
---|
| 481 | }
|
---|
| 482 | },
|
---|
| 483 | output = "Boolean",
|
---|
| 484 | colour = Logic.HUE,
|
---|
| 485 | tooltip = Msg.LOGIC_NEGATE_TOOLTIP,
|
---|
| 486 | helpUrl = Msg.LOGIC_NEGATE_HELPURL
|
---|
| 487 | });
|
---|
| 488 | }
|
---|
| 489 | }
|
---|
| 490 |
|
---|
| 491 | public class LogicBooleanBlock : Block
|
---|
| 492 | {
|
---|
| 493 | public const string type_name = "logic_boolean";
|
---|
| 494 |
|
---|
| 495 | public LogicBooleanBlock()
|
---|
| 496 | : base(type_name)
|
---|
| 497 | {
|
---|
| 498 | }
|
---|
| 499 |
|
---|
| 500 | /**
|
---|
| 501 | * Block for boolean data type: true and false.
|
---|
| 502 | * @this Blockly.Block
|
---|
| 503 | */
|
---|
| 504 | public void init()
|
---|
| 505 | {
|
---|
| 506 | this.jsonInit(new {
|
---|
| 507 | message0 = "%1",
|
---|
| 508 | args0 = new object[] {
|
---|
| 509 | new {
|
---|
| 510 | type = "field_dropdown",
|
---|
| 511 | name = "BOOL",
|
---|
| 512 | options = new [] {
|
---|
| 513 | new [] {Msg.LOGIC_BOOLEAN_TRUE, "TRUE"},
|
---|
| 514 | new [] {Msg.LOGIC_BOOLEAN_FALSE, "FALSE"}
|
---|
| 515 | }
|
---|
| 516 | }
|
---|
| 517 | },
|
---|
| 518 | output = "Boolean",
|
---|
| 519 | colour = Logic.HUE,
|
---|
| 520 | tooltip = Msg.LOGIC_BOOLEAN_TOOLTIP,
|
---|
| 521 | helpUrl = Msg.LOGIC_BOOLEAN_HELPURL
|
---|
| 522 | });
|
---|
| 523 | }
|
---|
| 524 | }
|
---|
| 525 |
|
---|
| 526 | public class LogicNullBlock : Block
|
---|
| 527 | {
|
---|
| 528 | public const string type_name = "logic_null";
|
---|
| 529 |
|
---|
| 530 | public LogicNullBlock()
|
---|
| 531 | : base(type_name)
|
---|
| 532 | {
|
---|
| 533 | }
|
---|
| 534 |
|
---|
| 535 | /**
|
---|
| 536 | * Block for null data type.
|
---|
| 537 | * @this Blockly.Block
|
---|
| 538 | */
|
---|
| 539 | public void init()
|
---|
| 540 | {
|
---|
| 541 | this.jsonInit(new {
|
---|
| 542 | message0 = Msg.LOGIC_NULL,
|
---|
| 543 | output = (string[])null,
|
---|
| 544 | colour = Logic.HUE,
|
---|
| 545 | tooltip = Msg.LOGIC_NULL_TOOLTIP,
|
---|
| 546 | helpUrl = Msg.LOGIC_NULL_HELPURL
|
---|
| 547 | });
|
---|
| 548 | }
|
---|
| 549 | }
|
---|
| 550 |
|
---|
| 551 | public class LogicTernaryBlock : Block
|
---|
| 552 | {
|
---|
| 553 | public const string type_name = "logic_ternary";
|
---|
| 554 | Connection prevParentConnection_;
|
---|
| 555 |
|
---|
| 556 | public LogicTernaryBlock()
|
---|
| 557 | : base(type_name)
|
---|
| 558 | {
|
---|
| 559 | }
|
---|
| 560 |
|
---|
| 561 | /**
|
---|
| 562 | * Block for ternary operator.
|
---|
| 563 | * @this Blockly.Block
|
---|
| 564 | */
|
---|
| 565 | public void init()
|
---|
| 566 | {
|
---|
| 567 | this.setHelpUrl(Msg.LOGIC_TERNARY_HELPURL);
|
---|
| 568 | this.setColour(Logic.HUE);
|
---|
| 569 | this.appendValueInput("IF")
|
---|
| 570 | .setCheck("Boolean")
|
---|
| 571 | .appendField(Msg.LOGIC_TERNARY_CONDITION);
|
---|
| 572 | this.appendValueInput("THEN")
|
---|
| 573 | .appendField(Msg.LOGIC_TERNARY_IF_TRUE);
|
---|
| 574 | this.appendValueInput("ELSE")
|
---|
| 575 | .appendField(Msg.LOGIC_TERNARY_IF_FALSE);
|
---|
| 576 | this.setOutput(true);
|
---|
| 577 | this.setTooltip(Msg.LOGIC_TERNARY_TOOLTIP);
|
---|
| 578 | this.prevParentConnection_ = null;
|
---|
| 579 | }
|
---|
| 580 |
|
---|
| 581 | /**
|
---|
| 582 | * Called whenever anything on the workspace changes.
|
---|
| 583 | * Prevent mismatched types.
|
---|
| 584 | * @param {!Abstract} e Change event.
|
---|
| 585 | * @this Blockly.Block
|
---|
| 586 | */
|
---|
| 587 | public void onchange(Abstract e)
|
---|
| 588 | {
|
---|
| 589 | var blockA = this.getInputTargetBlock("THEN");
|
---|
| 590 | var blockB = this.getInputTargetBlock("ELSE");
|
---|
| 591 | var parentConnection = this.outputConnection.targetConnection;
|
---|
| 592 | // Disconnect blocks that existed prior to this change if they don"t match.
|
---|
| 593 | if ((blockA != null || blockB != null) && parentConnection != null) {
|
---|
| 594 | for (var i = 0; i < 2; i++) {
|
---|
| 595 | var block = (i == 1) ? blockA : blockB;
|
---|
| 596 | if (block != null && !block.outputConnection.checkType_(parentConnection)) {
|
---|
| 597 | // Ensure that any disconnections are grouped with the causing event.
|
---|
| 598 | Blockly.Events.setGroup(e.group);
|
---|
| 599 | if (parentConnection == this.prevParentConnection_) {
|
---|
| 600 | this.unplug();
|
---|
| 601 | parentConnection.getSourceBlock().bumpNeighbours_();
|
---|
| 602 | }
|
---|
| 603 | else {
|
---|
| 604 | block.unplug();
|
---|
| 605 | block.bumpNeighbours_();
|
---|
| 606 | }
|
---|
| 607 | Blockly.Events.setGroup(false.ToString());
|
---|
| 608 | }
|
---|
| 609 | }
|
---|
| 610 | }
|
---|
| 611 | this.prevParentConnection_ = parentConnection;
|
---|
| 612 | }
|
---|
| 613 | }
|
---|
| 614 | }
|
---|