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74 lines
3.9 KiB
HTML
Executable File
74 lines
3.9 KiB
HTML
Executable File
<!DOCTYPE html>
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<html>
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<head>
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<title>Snap Link Reshaping</title>
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<!-- Copyright 1998-2020 by Northwoods Software Corporation. -->
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<meta name="description" content="TypeScript: When reshaping an orthogonal link, make sure the points are moved onto a grid." />
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<script src="../samples/assets/require.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 id="code">
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function init() {
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require(["SnapLinkReshapingScript"], function(app) {
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app.init();
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document.getElementById("SaveButton").onclick = app.save;
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document.getElementById("LoadButton").onclick = app.load;
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document.getElementById("AvoidsNodesCheckBox").onclick = app.toggleAvoidsNodes;
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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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<div style="width: 100%; display: flex; justify-content: space-between">
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<div id="myPaletteDiv" style="width: 105px; height: 620px; margin-right: 2px; background-color: whitesmoke; border: solid 1px black"></div>
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<div id="myDiagramDiv" style="flex-grow: 1; height: 620px; border: solid 1px black"></div>
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</div>
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<label><input type="checkbox" id="AvoidsNodesCheckBox" checked="checked"/>avoidsNodes</label>
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<p>
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This sample is a simplified version of the <a href="../samples/draggableLink.html">Draggable Link</a> sample.
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Links are not draggable, there are no custom <a>Adornment</a>s, nodes are not rotatable, and links
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do not have text labels.
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</p>
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<p>
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Its purpose is to demonstrate the <a href="SnapLinkReshapingTool.ts">SnapLinkReshapingTool</a>,
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an extension of <a>LinkReshapingTool</a> that snaps each dragged reshape handle of selected Links to
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the nearest grid point. If the <a>SnapLinkReshapingTool.avoidsNodes</a> option is true,
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as it is by default, then the reshaping is limited to points where the adjacent segments would not
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be crossing over any avoidable nodes.
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</p>
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<p>
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Note how the "LinkReshaped" DiagramEvent listener changes the <a>Link.routing</a> of the reshaped Link,
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so that it is no longer AvoidsNodes routing but simple Orthogonal routing.
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This combined with <a>Link.adjusting</a> being End permits the middle points of the link route to be
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retained even after the user moves or resizes nodes.
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Furthermore there is a TwoWay <a>Binding</a> on <a>Link.routing</a>, so that the model remembers
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whether the link route had ever been reshaped manually.
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</p>
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<button id="SaveButton">Save</button>
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<button id="LoadButton">Load</button>
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<textarea id="mySavedModel" style="width:100%;height:300px">
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{ "class": "go.GraphLinksModel",
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"linkFromPortIdProperty": "fromPort",
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"linkToPortIdProperty": "toPort",
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"modelData": {"position":"0 0"},
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"nodeDataArray": [
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{"text":"DB", "figure":"Database", "fill":"lightgray", "key":-3, "loc":"184 176"},
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{"text":"DB", "figure":"Database", "fill":"lightgray", "key":-2, "loc":"248 248"},
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{"text":"DB", "figure":"Database", "fill":"lightgray", "key":-4, "loc":"424 192"},
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{"text":"DB", "figure":"Database", "fill":"lightgray", "key":-5, "loc":"320 152"},
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{"text":"DB", "figure":"Database", "fill":"lightgray", "key":-6, "loc":"424 320"},
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{"text":"DB", "figure":"Database", "fill":"lightgray", "key":-7, "loc":"352 256"},
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{"text":"DB", "figure":"Database", "fill":"lightgray", "key":-8, "loc":"176 296"},
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{"text":"DB", "figure":"Database", "fill":"lightgray", "key":-9, "loc":"288 344"},
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{"text":"Step", "key":-10, "loc":"96 240"},
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{"text":"Step", "key":-11, "loc":"536 280"}
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],
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"linkDataArray": [
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{"from":-10, "to":-11, "fromPort":"R", "toPort":"L", "points":[121,240,131,240,132,240,132,240,216,240,216,176,264,176,264,104,392,104,392,240,480,240,480,280,501,280,511,280], "routing":"Orthogonal"}
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]}
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</textarea>
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</div>
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</body>
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</html> |