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96 lines
2.9 KiB
96 lines
2.9 KiB
/*
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* Copyright (C) 1998-2019 by Northwoods Software Corporation. All Rights Reserved.
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*/
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import * as go from '../release/go';
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import { DragZoomingTool } from './DragZoomingTool';
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let myDiagram: go.Diagram;
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let myLoading: go.Part;
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export function init() {
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if ((window as any).goSamples) (window as any).goSamples(); // init for these 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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myDiagram =
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$(go.Diagram, 'myDiagramDiv',
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{
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initialDocumentSpot: go.Spot.Center,
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initialViewportSpot: go.Spot.Center,
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// Define the template for Nodes, just some text inside a colored rectangle
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nodeTemplate:
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$(go.Node, 'Spot',
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{ width: 70, height: 20 },
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$(go.Shape, 'Rectangle',
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new go.Binding('fill', 'c')),
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$(go.TextBlock,
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{ margin: 2 },
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new go.Binding('text', 'c'))),
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// Define the template for Links, just a simple line
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linkTemplate:
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$(go.Link,
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$(go.Shape, { stroke: 'black' })),
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layout:
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$(go.TreeLayout,
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{
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angle: 90,
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nodeSpacing: 4,
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compaction: go.TreeLayout.CompactionNone
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}),
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model:
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$(go.TreeModel,
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{ // we use single character property names, to save space if rendered as JSON
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nodeKeyProperty: 'k',
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nodeParentKeyProperty: 'p'
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})
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});
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// Add an instance of the custom tool defined in DragZoomingTool.js.
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// This needs to be inserted before the standard DragSelectingTool,
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// which is normally the third Tool in the ToolManager.mouseMoveTools list.
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myDiagram.toolManager.mouseMoveTools.insertAt(2, new DragZoomingTool());
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// This is a status message
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myLoading =
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$(go.Part,
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{ selectable: false, location: new go.Point(0, 0) },
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$(go.TextBlock, 'loading...',
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{ stroke: 'red', font: '20pt sans-serif' }));
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// temporarily add the status indicator
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myDiagram.add(myLoading);
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// allow the myLoading indicator to be shown now,
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// but allow objects added in loadTree to also be considered part of the initial Diagram
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myDiagram.delayInitialization(loadTree);
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}
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function loadTree() {
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// create some tree data
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const total = 99;
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const treedata = [];
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for (let i = 0; i < total; i++) {
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// these property names are also specified when creating the TreeModel
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const d = {
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k: i, // this node data's key
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c: go.Brush.randomColor(), // the node's color
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p: (i > 0 ? Math.floor(Math.random() * i / 2) : undefined) // the random parent's key
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};
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treedata.push(d);
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}
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// give the Diagram's model all the data
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myDiagram.model.nodeDataArray = treedata;
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// remove the status indicator
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myDiagram.remove(myLoading);
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// Attach to the window for console manipulation
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(window as any).myDiagram = myDiagram;
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}
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