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283 lines
12 KiB
283 lines
12 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 { TableLayout } from './TableLayout';
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// define a custom ResizingTool to limit how far one can shrink a row or column
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class LaneResizingTool extends go.ResizingTool {
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public computeMinSize(): go.Size {
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const diagram = this.diagram;
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if (this.adornedObject === null) return new go.Size();
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const lane = this.adornedObject.part; // might be row or column
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if (lane === null) return new go.Size();
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const horiz = (lane.category === 'Column Header'); // or "Row Header"
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const margin = diagram.nodeTemplate.margin as go.Margin;
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let bounds = new go.Rect();
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diagram.findTopLevelGroups().each((g) => {
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if (lane === null) return;
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if (horiz ? (g.column === lane.column) : (g.row === lane.row)) {
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const b = diagram.computePartsBounds(g.memberParts);
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if (b.isEmpty()) return; // nothing in there? ignore it
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b.unionPoint(g.location); // keep any empty space on the left and top
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b.addMargin(margin); // assume the same node margin applies to all nodes
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if (bounds.isEmpty()) {
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bounds = b;
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} else {
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bounds.unionRect(b);
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}
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}
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});
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// limit the result by the standard value of computeMinSize
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const msz = super.computeMinSize();
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if (bounds.isEmpty()) return msz;
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return new go.Size(Math.max(msz.width, bounds.width), Math.max(msz.height, bounds.height));
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}
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public resize(newr: go.Rect) {
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const diagram = this.diagram;
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if (this.adornedObject === null) return;
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const lane = this.adornedObject.part;
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if (lane === null) return;
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const horiz = (lane.category === 'Column Header');
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const lay = diagram.layout as TableLayout; // the TableLayout
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if (horiz) {
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const col = lane.column;
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const coldef = lay.getColumnDefinition(col);
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coldef.width = newr.width;
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} else {
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const row = lane.row;
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const rowdef = lay.getRowDefinition(row);
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rowdef.height = newr.height;
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}
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lay.invalidateLayout();
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}
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// end LaneResizingTool class
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}
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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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layout: $(TableLayout,
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$(go.RowColumnDefinition, { row: 1, height: 22 }), // fixed size column headers
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$(go.RowColumnDefinition, { column: 1, width: 22 }) // fixed size row headers
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),
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'SelectionMoved': (e: go.DiagramEvent) => { e.diagram.layoutDiagram(true); },
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'resizingTool': new LaneResizingTool(),
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// feedback that dropping in the background is not allowed
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mouseDragOver: (e: go.InputEvent) => { e.diagram.currentCursor = 'not-allowed'; },
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// when dropped in the background, not on a Node or a Group, cancel the drop
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mouseDrop: (e: go.InputEvent) => { e.diagram.currentTool.doCancel(); },
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'animationManager.isInitial': false,
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'undoManager.isEnabled': true
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});
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myDiagram.nodeTemplateMap.add('Header', // an overall table header, at the top
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$(go.Part, 'Auto',
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{
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row: 0, column: 1, columnSpan: 9999,
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stretch: go.GraphObject.Horizontal,
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selectable: false, pickable: false
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},
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$(go.Shape, { fill: 'transparent', strokeWidth: 0 }),
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$(go.TextBlock, { alignment: go.Spot.Center, font: 'bold 12pt sans-serif' },
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new go.Binding('text'))
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));
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myDiagram.nodeTemplateMap.add('Sider', // an overall table header, on the left side
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$(go.Part, 'Auto',
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{
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row: 1, rowSpan: 9999, column: 0,
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stretch: go.GraphObject.Vertical,
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selectable: false, pickable: false
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},
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$(go.Shape, { fill: 'transparent', strokeWidth: 0 }),
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$(go.TextBlock, { alignment: go.Spot.Center, font: 'bold 12pt sans-serif', angle: 270 },
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new go.Binding('text'))
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));
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myDiagram.nodeTemplateMap.add('Column Header', // for each column header
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$(go.Part, 'Spot',
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{
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row: 1, rowSpan: 9999, column: 2,
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minSize: new go.Size(100, NaN),
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stretch: go.GraphObject.Fill,
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movable: false,
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resizable: true,
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resizeAdornmentTemplate:
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$(go.Adornment, 'Spot',
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$(go.Placeholder),
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$(go.Shape, // for changing the length of a lane
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{
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alignment: go.Spot.Right,
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desiredSize: new go.Size(7, 50),
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fill: 'lightblue', stroke: 'dodgerblue',
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cursor: 'col-resize'
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})
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)
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},
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new go.Binding('column', 'col'),
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$(go.Shape, { fill: null },
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new go.Binding('fill', 'color')),
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$(go.Panel, 'Auto',
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{ // this is positioned above the Shape, in row 1
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alignment: go.Spot.Top, alignmentFocus: go.Spot.Bottom,
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stretch: go.GraphObject.Horizontal,
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height: (myDiagram.layout as TableLayout).getRowDefinition(1).height
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},
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$(go.Shape, { fill: 'transparent', strokeWidth: 0 }),
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$(go.TextBlock,
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{
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font: 'bold 10pt sans-serif', isMultiline: false,
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wrap: go.TextBlock.None, overflow: go.TextBlock.OverflowEllipsis
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},
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new go.Binding('text'))
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)
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));
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myDiagram.nodeTemplateMap.add('Row Sider', // for each row header
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$(go.Part, 'Spot',
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{
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row: 2, column: 1, columnSpan: 9999,
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minSize: new go.Size(NaN, 100),
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stretch: go.GraphObject.Fill,
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movable: false,
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resizable: true,
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resizeAdornmentTemplate:
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$(go.Adornment, 'Spot',
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$(go.Placeholder),
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$(go.Shape, // for changing the breadth of a lane
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{
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alignment: go.Spot.Bottom,
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desiredSize: new go.Size(50, 7),
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fill: 'lightblue', stroke: 'dodgerblue',
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cursor: 'row-resize'
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})
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)
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},
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new go.Binding('row'),
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$(go.Shape, { fill: null },
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new go.Binding('fill', 'color')),
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$(go.Panel, 'Auto',
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{ // this is positioned to the left of the Shape, in column 1
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alignment: go.Spot.Left, alignmentFocus: go.Spot.Right,
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stretch: go.GraphObject.Vertical, angle: 270,
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height: (myDiagram.layout as TableLayout).getColumnDefinition(1).width
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},
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$(go.Shape, { fill: 'transparent', strokeWidth: 0 }),
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$(go.TextBlock,
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{
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font: 'bold 10pt sans-serif', isMultiline: false,
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wrap: go.TextBlock.None, overflow: go.TextBlock.OverflowEllipsis
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},
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new go.Binding('text'))
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)
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));
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myDiagram.nodeTemplate = // for regular nodes within cells (groups); you'll want to extend this
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$(go.Node, 'Auto',
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{ width: 100, height: 50, margin: 4 }, // assume uniform Margin, all around
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new go.Binding('row'),
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new go.Binding('column', 'col'),
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$(go.Shape, { fill: 'white' },
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new go.Binding('fill', 'color')),
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$(go.TextBlock,
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new go.Binding('text', 'key'))
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);
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myDiagram.groupTemplate = // for cells
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$(go.Group, 'Auto',
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{
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layerName: 'Background',
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stretch: go.GraphObject.Fill,
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selectable: false,
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computesBoundsAfterDrag: true,
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computesBoundsIncludingLocation: true,
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handlesDragDropForMembers: true, // don't need to define handlers on member Nodes and Links
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mouseDragEnter: (e: go.InputEvent, group: go.GraphObject) => { if (group instanceof go.Group) group.isHighlighted = true; },
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mouseDragLeave: (e: go.InputEvent, group: go.GraphObject) => { if (group instanceof go.Group) group.isHighlighted = false; },
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mouseDrop: (e: go.InputEvent, group: go.GraphObject) => {
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if (!(group instanceof go.Group)) return;
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// if any dropped part wasn't already a member of this group, we'll want to let the group's row
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// column allow themselves to be resized automatically, in case the row height or column width
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// had been set manually by the LaneResizingTool
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const anynew = e.diagram.selection.any((p) => p.containingGroup !== group);
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// Don't allow headers/siders to be dropped
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const anyHeadersSiders = e.diagram.selection.any((p) => {
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return p.category === 'Column Header' || p.category === 'Row Sider';
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});
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if (!anyHeadersSiders && group.addMembers(e.diagram.selection, true)) {
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if (anynew) {
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(e.diagram.layout as TableLayout).getRowDefinition(group.row).height = NaN;
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(e.diagram.layout as TableLayout).getColumnDefinition(group.column).width = NaN;
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}
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} else { // failure upon trying to add parts to this group
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e.diagram.currentTool.doCancel();
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}
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}
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},
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new go.Binding('row'),
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new go.Binding('column', 'col'),
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// the group is normally unseen -- it is completely transparent except when given a color or when highlighted
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$(go.Shape,
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{
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fill: 'transparent', stroke: 'transparent',
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strokeWidth: (myDiagram.nodeTemplate.margin as go.Margin).left,
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stretch: go.GraphObject.Fill
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},
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new go.Binding('fill', 'color'),
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new go.Binding('stroke', 'isHighlighted', (h) => h ? 'red' : 'transparent').ofObject()),
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$(go.Placeholder,
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{ // leave a margin around the member nodes of the group which is the same as the member node margin
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alignment: ((m: go.Margin) => new go.Spot(0, 0, m.top, m.left))(myDiagram.nodeTemplate.margin as go.Margin),
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padding: ((m: go.Margin) => new go.Margin(0, m.right, m.bottom, 0))(myDiagram.nodeTemplate.margin as go.Margin)
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})
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);
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myDiagram.model = new go.GraphLinksModel([
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// headers
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{ key: 'Header', text: 'Vacation Procedures', category: 'Header' },
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{ key: 'Sider', text: 'Personnel', category: 'Sider' },
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// column and row headers
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{ key: 'Request', text: 'Request', col: 2, category: 'Column Header' },
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{ key: 'Approval', text: 'Approval', col: 3, category: 'Column Header' },
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{ key: 'Employee', text: 'Employee', row: 2, category: 'Row Sider' },
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{ key: 'Manager', text: 'Manager', row: 3, category: 'Row Sider' },
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{ key: 'Administrator', text: 'Administrator', row: 4, category: 'Row Sider' },
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// cells, each a group assigned to a row and column
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{ key: 'EmpReq', row: 2, col: 2, isGroup: true, color: 'lightyellow' },
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{ key: 'EmpApp', row: 2, col: 3, isGroup: true, color: 'lightgreen' },
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{ key: 'ManReq', row: 3, col: 2, isGroup: true, color: 'lightgreen' },
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{ key: 'ManApp', row: 3, col: 3, isGroup: true, color: 'lightyellow' },
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{ key: 'AdmReq', row: 4, col: 2, isGroup: true, color: 'lightyellow' },
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{ key: 'AdmApp', row: 4, col: 3, isGroup: true, color: 'lightgreen' },
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// nodes, each assigned to a group/cell
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{ key: 'Delta', color: 'orange', size: '100 100', group: 'EmpReq' },
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{ key: 'Epsilon', color: 'coral', size: '100 50', group: 'EmpReq' },
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{ key: 'Zeta', color: 'tomato', size: '50 70', group: 'ManReq' },
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{ key: 'Eta', color: 'coral', size: '50 50', group: 'ManApp' },
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{ key: 'Theta', color: 'tomato', size: '100 50', group: 'AdmApp' }
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]);
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const myPalette =
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$(go.Palette, 'myPaletteDiv',
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{
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nodeTemplateMap: myDiagram.nodeTemplateMap,
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'model.nodeDataArray': [
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{ key: 'Alpha', color: 'orange' },
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{ key: 'Beta', color: 'tomato' },
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{ key: 'Gamma', color: 'goldenrod' }
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]
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});
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}
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