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74 lines
2.8 KiB
74 lines
2.8 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 { SectorReshapingTool } from './SectorReshapingTool';
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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;
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const myDiagram =
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$(go.Diagram, 'myDiagramDiv',
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{
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'animationManager.isEnabled': false,
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'undoManager.isEnabled': true
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});
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// install the SectorReshapingTool as a mouse-down tool
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myDiagram.toolManager.mouseDownTools.add(new SectorReshapingTool());
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function makeSector(data: go.ObjectData) { // Geometry converter for the node's "LAMP" Shape
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const radius = SectorReshapingTool.getRadius(data);
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const angle = SectorReshapingTool.getAngle(data);
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const sweep = SectorReshapingTool.getSweep(data);
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const start = new go.Point(radius, 0).rotate(angle);
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// this is much more efficient than calling go.GraphObject.make:
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const geo = new go.Geometry()
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.add(new go.PathFigure(radius + start.x, radius + start.y) // start point
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.add(new go.PathSegment(go.PathSegment.Arc,
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angle, sweep, // angles
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radius, radius, // center
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radius, radius)) // radius
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.add(new go.PathSegment(go.PathSegment.Line, radius, radius).close()))
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.add(new go.PathFigure(0, 0)) // make sure the Geometry always includes the whole circle
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.add(new go.PathFigure(2 * radius, 2 * radius)); // even if only a small sector is "lit"
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return geo;
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}
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myDiagram.nodeTemplate =
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$(go.Node, 'Spot',
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{
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locationSpot: go.Spot.Center, locationObjectName: 'LAMP',
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selectionObjectName: 'LAMP', selectionAdorned: false
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},
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new go.Binding('location', 'loc', go.Point.parse).makeTwoWay(go.Point.stringify),
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// selecting a Node brings it forward in the z-order
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new go.Binding('layerName', 'isSelected', (s) => s ? 'Foreground' : '').ofObject(),
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$(go.Panel, 'Spot',
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{ name: 'LAMP' },
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$(go.Shape, // arc
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{ fill: 'yellow', stroke: 'lightgray', strokeWidth: 0.5 },
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new go.Binding('geometry', '', makeSector)),
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$(go.Shape, 'Circle',
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{ name: 'SHAPE', width: 6, height: 6 })
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),
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$(go.TextBlock,
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{
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alignment: new go.Spot(0.5, 0.5, 0, 3), alignmentFocus: go.Spot.Top,
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stroke: 'blue', background: 'rgba(255,255,255,0.3)'
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},
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new go.Binding('alignment', 'spot', go.Spot.parse).makeTwoWay(go.Spot.stringify),
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new go.Binding('text', 'name'))
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);
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myDiagram.model = new go.GraphLinksModel([
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{ name: 'Alpha', radius: 70, sweep: 120 },
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{ name: 'Beta', radius: 70, sweep: 80, angle: 200 }
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]);
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myDiagram.commandHandler.selectAll(); // to show the tool handles
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}
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