91 lines
3.0 KiB
HTML
91 lines
3.0 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>Bar Charts</title>
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<meta name="description" content="GoJS nodes containing simple bar charts." />
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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 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 =
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$(go.Diagram, "myDiagramDiv", // must name or refer to the DIV HTML element
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{ initialContentAlignment: go.Spot.Center });
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// the template for each item in a node's array of item data
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var itemTempl =
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$(go.Panel, "TableColumn",
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$(go.Shape,
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{ row: 0, alignment: go.Spot.Bottom },
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{ fill: "slateblue", stroke: null, width: 40 },
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new go.Binding("height", "val"),
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new go.Binding("fill", "color")),
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$(go.TextBlock,
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{ row: 1 },
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new go.Binding("text")),
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{
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toolTip:
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$(go.Adornment, "Auto",
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$(go.Shape, { fill: "#EFEFCC" }),
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$(go.TextBlock, { margin: 4 },
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new go.Binding("text", "val"))
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)
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}
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);
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myDiagram.nodeTemplate =
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$(go.Node, "Auto",
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$(go.Shape,
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{ fill: "white" }),
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$(go.Panel, "Vertical",
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$(go.Panel, "Table",
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{ margin: 6, itemTemplate: itemTempl },
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new go.Binding("itemArray", "items")),
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$(go.TextBlock,
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{ font: "bold 12pt sans-serif" },
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new go.Binding("text"))
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)
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);
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var nodeDataArray = [
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{
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key: 1,
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text: "Before",
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items: [ { text: "first", val: 50 },
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{ text: "second", val: 70 },
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{ text: "third", val: 60 },
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{ text: "fourth", val: 80 } ]
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},
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{
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key: 2,
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text: "After",
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items: [ { text: "first", val: 50 },
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{ text: "second", val: 70 },
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{ text: "third", val: 75, color: "red" },
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{ text: "fourth", val: 80 } ]
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}
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];
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var linkDataArray = [
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{ from: 1, to: 2 }
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];
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myDiagram.model = new go.GraphLinksModel(nodeDataArray, linkDataArray);
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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 id="myDiagramDiv" style="background-color: white; border: solid 1px black; width: 100%; height: 500px"></div>
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<p>
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Each node contains a Table Panel whose <a>Panel.itemArray</a> is data bound to the "items" property which holds an Array of data objects.
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That Table Panel has an <a>Panel.itemTemplate</a> which creates a bar (a rectangular Shape) and a TextBlock label for each item.
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Each bar also has a tooltip showing the value.
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</p>
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</div>
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</body>
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</html>
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