98 lines
3.9 KiB
HTML
98 lines
3.9 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Local Storage Commands</title>
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<meta name="description" content="A demonstration of the LocalStorageCommandHandler extension." />
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<!-- Copyright 1998-2017 by Northwoods Software Corporation. -->
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<meta charset="UTF-8">
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<script src="../release/go.js"></script>
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<script src="../assets/js/goSamples.js"></script> <!-- this is only for the GoJS Samples framework -->
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<script src="LocalStorageCommandHandler.js"></script>
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<script id="code">
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function init() {
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if (window.goSamples) goSamples(); // init for these samples -- you don't need to call this
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var $ = go.GraphObject.make; // for conciseness in defining templates
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myDiagram = $(go.Diagram, "myDiagramDiv", // create a Diagram for the DIV HTML element
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{
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initialContentAlignment: go.Spot.Center, // center the content
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commandHandler: new LocalStorageCommandHandler(), // defined in DrawCommandHandler.js
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"undoManager.isEnabled": true // enable undo & redo
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});
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myDiagram2 = $(go.Diagram, "myDiagramDiv2", // create a Diagram for the DIV HTML element
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{
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initialContentAlignment: go.Spot.Center, // center the content
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commandHandler: new LocalStorageCommandHandler(), // defined in DrawCommandHandler.js
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"undoManager.isEnabled": true // enable undo & redo
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});
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// define a simple Node template
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myDiagram.nodeTemplate =
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$(go.Node, "Auto", // the Shape will go around the TextBlock
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$(go.Shape, "RoundedRectangle", { strokeWidth: 0},
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// Shape.fill is bound to Node.data.color
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new go.Binding("fill", "color")),
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$(go.TextBlock,
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{ margin: 8 }, // some room around the text
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// TextBlock.text is bound to Node.data.key
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new go.Binding("text", "key"))
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);
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myDiagram2.nodeTemplate = myDiagram.nodeTemplate;
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// create the model data that will be represented by Nodes and Links
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myDiagram.model = new go.GraphLinksModel(
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[
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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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[
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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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myDiagram2.model = new go.GraphLinksModel(
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[
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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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[
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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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}
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</script>
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</head>
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<body onload="init()">
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<div id="sample">
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<span style="display: inline-block; vertical-align: top;">
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<div id="myDiagramDiv" style="border: solid 1px black; width:300px; height:300px"></div>
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</span>
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<span style="display: inline-block; vertical-align: top;">
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<div id="myDiagramDiv2" style="border: solid 1px black; width:300px; height:300px"></div>
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</span>
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<p>
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This example demonstrates a custom <a>CommandHandler</a>.
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It uses localStorage as the repository for the clipboard, rather than an in-memory global variable.
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It is defined in its own file, as <a href="LocalStorageCommandHandler.js">LocalStorageCommandHandler.js</a>.
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</p>
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<p>
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Try copying and pasting between the above Diagrams, or between tabs/windows that contain Diagrams using LocalStorageCommandHandler.
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Note that when copying and pasting between Diagrams, it will work best if they have similar templates.
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</p>
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</div>
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</body>
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</html> |