284 lines
10 KiB
TypeScript
284 lines
10 KiB
TypeScript
"use strict";
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/*
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* Copyright (C) 1998-2017 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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/** @override */
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public computeMinSize() {
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var diagram = this.diagram;
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var lane = this.adornedObject.part; // might be row or column
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var horiz = (lane.category === "Column Header"); // or "Row Header"
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var margin = diagram.nodeTemplate.margin as go.Margin;
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var bounds = new go.Rect();
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diagram.findTopLevelGroups().each((g) => {
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if (horiz ? (g.column === lane.column) : (g.row === lane.row)) {
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var 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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var msz = super.computeMinSize.call(this);
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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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/** @override */
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public resize(newr: go.Rect) {
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var diagram = this.diagram;
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var lane = this.adornedObject.part;
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var horiz = (lane.category === "Column Header");
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var lay = diagram.layout as TableLayout; // the TableLayout
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if (horiz) {
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var col = lane.column;
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var coldef = lay.getColumnDefinition(col);
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coldef.width = newr.width;
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} else {
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var row = lane.row;
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var 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 (typeof (<any>window)["goSamples"] === 'function') (<any>window)["goSamples"](); // init for these samples -- you don't need to call this
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const $ = go.GraphObject.make;
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let myDiagram =
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$(go.Diagram, "myDiagramDiv",
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{
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initialContentAlignment: go.Spot.Center,
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layout: $(TableLayout,
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$(go.RowColumnDefinition, { row: 1, height: 22 }), // fixed size column headers
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$(go.RowColumnDefinition, { column: 1, width: 22 }) // fixed size row headers
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),
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"SelectionMoved": (e: go.ChangedEvent) => { e.diagram.layoutDiagram(true); },
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"resizingTool": new LaneResizingTool(),
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allowDrop: true,
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// feedback that dropping in the background is not allowed
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mouseDragOver: (e: go.ChangedEvent) => { e.diagram.currentCursor = "not-allowed"; },
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// when dropped in the background, not on a Node or a Group, cancel the drop
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mouseDrop: (e: go.ChangedEvent) => { e.diagram.currentTool.doCancel(); },
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"animationManager.isInitial": false,
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"undoManager.isEnabled": true
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});
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var margins = myDiagram.nodeTemplate.margin as go.Margin;
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var layouts = myDiagram.layout as TableLayout;
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myDiagram.nodeTemplateMap.add("Header", // an overall table header, at the top
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$(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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$(go.Panel, "Auto",
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{ // this is positioned above the Shape, in row 1
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alignment: go.Spot.Top, alignmentFocus: go.Spot.Bottom,
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stretch: go.GraphObject.Horizontal,
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height: layouts.getRowDefinition(1).height
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},
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$(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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$(go.Panel, "Auto",
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{ // this is positioned to the left of the Shape, in column 1
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alignment: go.Spot.Left, alignmentFocus: go.Spot.Right,
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stretch: go.GraphObject.Vertical, angle: 270,
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height: layouts.getColumnDefinition(1).width
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},
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$(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.Group, prev: go.Group) => { group.isHighlighted = true; },
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mouseDragLeave: (e: go.InputEvent, group: go.Group, next: go.Group) => { group.isHighlighted = false; },
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mouseDrop: (e: go.DiagramEvent, group: go.Group) => {
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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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var anynew = e.diagram.selection.any((p) => { return p.containingGroup !== group; });
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// Don't allow headers/siders to be dropped
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var 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 any).getRowDefinition(group.row).height = NaN;
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(e.diagram.layout as any).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: margins.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) => { return 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) => { return new go.Spot(0, 0, m.top, m.left); })(myDiagram.nodeTemplate.margin as go.Margin),
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padding: ((m: go.Margin) => { return 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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let 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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} |