136 lines
4.7 KiB
TypeScript
136 lines
4.7 KiB
TypeScript
"use strict";
|
|
/*
|
|
* Copyright (C) 1998-2017 by Northwoods Software Corporation. All Rights Reserved.
|
|
*/
|
|
|
|
import * as go from "../release/go";
|
|
import { PolygonDrawingTool } from "./PolygonDrawingTool";
|
|
import { GeometryReshapingTool } from "./GeometryReshapingTool";
|
|
|
|
var myDiagram: go.Diagram;
|
|
|
|
export function init() {
|
|
if (typeof (<any>window)["goSamples"] === 'function') (<any>window)["goSamples"](); // init for these samples -- you don't need to call this
|
|
|
|
const $ = go.GraphObject.make;
|
|
|
|
myDiagram =
|
|
$(go.Diagram, "myDiagramDiv",
|
|
{
|
|
initialContentAlignment: go.Spot.Center
|
|
});
|
|
|
|
myDiagram.toolManager.mouseDownTools.insertAt(3, new GeometryReshapingTool());
|
|
|
|
myDiagram.nodeTemplateMap.add("PolygonDrawing",
|
|
$(go.Node,
|
|
{ locationSpot: go.Spot.Center }, // to support rotation about the center
|
|
new go.Binding("location", "loc", go.Point.parse).makeTwoWay(go.Point.stringify),
|
|
{
|
|
selectionAdorned: true, selectionObjectName: "SHAPE",
|
|
selectionAdornmentTemplate: // custom selection adornment: a blue rectangle
|
|
$(go.Adornment, "Auto",
|
|
$(go.Shape, { stroke: "dodgerblue", fill: null }),
|
|
$(go.Placeholder, { margin: -1 }))
|
|
},
|
|
{ resizable: true, resizeObjectName: "SHAPE" },
|
|
{ rotatable: true, rotateObjectName: "SHAPE" },
|
|
{ reshapable: true }, // GeometryReshapingTool assumes nonexistent Part.reshapeObjectName would be "SHAPE"
|
|
$(go.Shape,
|
|
{ name: "SHAPE", fill: "lightgray", strokeWidth: 1.5 },
|
|
new go.Binding("desiredSize", "size", go.Size.parse).makeTwoWay(go.Size.stringify),
|
|
new go.Binding("angle").makeTwoWay(),
|
|
new go.Binding("geometryString", "geo").makeTwoWay(),
|
|
new go.Binding("fill"),
|
|
new go.Binding("stroke"),
|
|
new go.Binding("strokeWidth"))
|
|
));
|
|
|
|
// create polygon drawing tool for myDiagram, defined in PolygonDrawingTool.js
|
|
var tool = new PolygonDrawingTool();
|
|
// provide the default JavaScript object for a new polygon in the model
|
|
tool.archetypePartData =
|
|
{ fill: "yellow", stroke: "blue", strokeWidth: 3, category: "PolygonDrawing" };
|
|
tool.isPolygon = true; // for a polyline drawing tool set this property to false
|
|
// install as first mouse-down-tool
|
|
myDiagram.toolManager.mouseDownTools.insertAt(0, tool);
|
|
|
|
load(); // load a simple diagram from the textarea
|
|
}
|
|
|
|
export function mode(draw: boolean, polygon: boolean) {
|
|
// assume PolygonDrawingTool is the first tool in the mouse-down-tools list
|
|
var tool: PolygonDrawingTool = myDiagram.toolManager.mouseDownTools.elt(0) as PolygonDrawingTool;
|
|
tool.isEnabled = draw;
|
|
tool.isPolygon = polygon;
|
|
(tool.archetypePartData as go.Shape).fill = (polygon ? "yellow" : null);
|
|
tool.temporaryShape.fill = (polygon ? "yellow" : null);
|
|
}
|
|
|
|
// this command ends the PolygonDrawingTool
|
|
export function finish(commit: boolean) {
|
|
var tool = myDiagram.currentTool;
|
|
if (commit && tool instanceof PolygonDrawingTool) {
|
|
var lastInput = myDiagram.lastInput;
|
|
if (lastInput.event instanceof MouseEvent) tool.removeLastPoint(); // remove point from last mouse-down
|
|
tool.finishShape();
|
|
} else {
|
|
tool.doCancel();
|
|
}
|
|
}
|
|
|
|
// this command removes the last clicked point from the temporary Shape
|
|
export function undo() {
|
|
var tool = myDiagram.currentTool;
|
|
if (tool instanceof PolygonDrawingTool) {
|
|
var lastInput = myDiagram.lastInput;
|
|
if (lastInput.event instanceof MouseEvent) tool.removeLastPoint(); // remove point from last mouse-down
|
|
tool.undo();
|
|
}
|
|
}
|
|
|
|
export function updateAllAdornments() { // called after checkboxes change Diagram.allow...
|
|
myDiagram.selection.each((p) => { p.updateAdornments(); });
|
|
}
|
|
|
|
// save a model to and load a model from Json text, displayed below the Diagram
|
|
export function save() {
|
|
var str = '{ "position": "' + go.Point.stringify(myDiagram.position) + '",\n "model": ' + myDiagram.model.toJson() + ' }';
|
|
(document.getElementById("mySavedDiagram") as any).value = str;
|
|
}
|
|
export function load() {
|
|
var str = (document.getElementById("mySavedDiagram") as any).value
|
|
try {
|
|
var json = JSON.parse(str);
|
|
myDiagram.initialPosition = go.Point.parse(json.position || "0 0");
|
|
myDiagram.model = go.Model.fromJson(json.model);
|
|
myDiagram.model.undoManager.isEnabled = true;
|
|
} catch (ex) {
|
|
alert(ex);
|
|
}
|
|
}
|
|
|
|
export function select() {
|
|
mode(false, false);
|
|
}
|
|
export function drawPolygon() {
|
|
mode(true, true);
|
|
}
|
|
export function drawPolyline() {
|
|
mode(true, false);
|
|
}
|
|
export function finishDrawing() {
|
|
finish(true);
|
|
}
|
|
export function cancelDrawing() {
|
|
finish(false);
|
|
}
|
|
export function allowResizing() {
|
|
myDiagram.allowResize = !myDiagram.allowResize; updateAllAdornments();
|
|
}
|
|
export function allowReshaping() {
|
|
myDiagram.allowReshape = !myDiagram.allowReshape; updateAllAdornments();
|
|
}
|
|
export function allowRotating() {
|
|
myDiagram.allowRotate = !myDiagram.allowRotate; updateAllAdornments();
|
|
} |