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64 lines
3.0 KiB
HTML
Executable File
64 lines
3.0 KiB
HTML
Executable File
<!DOCTYPE html>
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<html>
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<head>
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<title>HTMLInfo Text Editor</title>
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<!-- Copyright 1998-2020 by Northwoods Software Corporation. -->
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<meta name="description" content="TypeScript: A re-implementation of the default text editor, implemented by the TextEditor extension." />
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<script src="../assets/js/goSamples.js"></script> <!-- this is only for the GoJS Samples framework -->
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</head>
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<body>
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<div id="sample">
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<div id="myDiagramDiv" style="border: solid 1px black; width:400px; height:400px"></div>
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<p>This sample constructs an <a>HTMLInfo</a> that acts as a re-implementation of the default text editor.</p>
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<p>
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The implementation is contained in the file <a href="TextEditor.ts" target="_blank">TextEditor.js</a>
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and exposes <code>window.TextEditor</code>,
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which is used in this file as the value of <code>myDiagram.toolManager.textEditingTool.defaultTextEditor</code>.
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</p>
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<p>
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This also adds a text validation predicate, <code>okName</code>, as the <a>TextBlock.textValidation</a> property.
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That predicate makes sure that the new string has at least three characters and contains a vowel.
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</p>
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<p>You can see additional custom text editors in the <a href="../samples/customTextEditingTool.html">Custom TextEditingTool sample</a>.</p>
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</div>
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<script type="module" id="code">
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import * as go from "../release/go-module.js";
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import './TextEditor.js';
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if (window.goSamples) goSamples(); // init for the samples -- you don't need to call this
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const $ = go.GraphObject.make; // for conciseness in defining templates
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const myDiagram = $(go.Diagram, 'myDiagramDiv', // create a Diagram for the DIV HTML element
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{
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'undoManager.isEnabled': true // enable undo & redo
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});
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myDiagram.toolManager.textEditingTool.defaultTextEditor = window.TextEditor;
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// this predicate is true if the new string has at least three characters
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// and has a vowel in it
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function okName(textblock, oldstr, newstr) {
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return newstr.length >= 3 && /[aeiouy]/i.test(newstr);
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}
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// define a simple Node template
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myDiagram.nodeTemplate =
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$(go.Node, 'Auto', // the Shape will go around the TextBlock
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$(go.Shape, 'RoundedRectangle', { strokeWidth: 0 }, new go.Binding('fill', 'color')), $(go.TextBlock, { margin: 8, editable: true, textValidation: okName }, // some room around the text
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new go.Binding('text', 'key')));
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myDiagram.model = new go.GraphLinksModel([
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{ key: 'Alpha', color: 'lightblue' },
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{ key: 'Beta', color: 'orange' },
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{ key: 'Gamma', color: 'lightgreen' },
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{ key: 'Delta', color: 'pink' }
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], [
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{ from: 'Alpha', to: 'Beta' },
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{ from: 'Alpha', to: 'Gamma' },
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{ from: 'Beta', to: 'Beta' },
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{ from: 'Gamma', to: 'Delta' },
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{ from: 'Delta', to: 'Alpha' }
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]);
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window.myDiagram = myDiagram; // Attach to the window for console debugging
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</script>
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</body>
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</html> |