mirror of
https://github.com/google/blockly.git
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52ffc64f6a
FieldDropdown now has onItemSelected(..) method to handle the menu item selection action. Variable renames and deletes are now handled here, instead of during validation. Also fixes an issue deleting variables used by less than two blocks. Fixes #723.
80 lines
2.5 KiB
HTML
80 lines
2.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Blockly Demo: Mirrored Blockly</title>
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<script src="../../blockly_compressed.js"></script>
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<script src="../../blocks_compressed.js"></script>
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<script src="../../msg/js/en.js"></script>
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<style>
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body {
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background-color: #fff;
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font-family: sans-serif;
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}
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h1 {
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font-weight: normal;
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font-size: 140%;
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}
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</style>
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</head>
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<body>
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<h1><a href="https://developers.google.com/blockly/">Blockly</a> >
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<a href="../index.html">Demos</a> > Mirrored Blockly</h1>
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<p>This is a simple demo of a master Blockly that controls a slave Blockly.
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Open the JavaScript console to see the event passing.</p>
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<p>→ More info on <a href="https://developers.google.com/blockly/guides/configure/web/events">events</a>…</p>
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<table width="100%">
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<tr>
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<td>
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<div id="masterDiv" style="height: 480px; width: 600px;"></div>
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</td>
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<td>
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<div id="slaveDiv" style="height: 480px; width: 430px;"></div>
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</td>
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</tr>
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</table>
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<xml id="toolbox" style="display: none">
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<block type="controls_if"></block>
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<block type="logic_compare"></block>
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<block type="controls_repeat_ext"></block>
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<block type="math_number"></block>
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<block type="math_arithmetic"></block>
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<block type="text"></block>
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<block type="text_print"></block>
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<block type="variables_get"><field name="VAR">i</field></block>
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<block type="variables_get"><field name="VAR">j</field></block>
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<block type="variables_get"><field name="VAR">k</field></block>
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</xml>
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<script>
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// Inject master workspace.
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var masterWorkspace = Blockly.inject('masterDiv',
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{media: '../../media/',
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toolbox: document.getElementById('toolbox')});
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// Inject slave workspace.
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var slaveWorkspace = Blockly.inject('slaveDiv',
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{media: '../../media/',
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readOnly: true});
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// Listen to events on master workspace.
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masterWorkspace.addChangeListener(mirrorEvent);
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function mirrorEvent(masterEvent) {
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if (masterEvent.type == Blockly.Events.UI) {
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return; // Don't mirror UI events.
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}
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// Convert event to JSON. This could then be transmitted across the net.
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var json = masterEvent.toJson();
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console.log(json);
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// Convert JSON back into an event, then execute it.
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var slaveEvent = Blockly.Events.fromJson(json, slaveWorkspace);
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slaveEvent.run(true);
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}
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</script>
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</body>
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</html>
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