gojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
143 lines (142 loc) • 6.8 kB
JavaScript
/*
* Copyright (C) 1998-2020 by Northwoods Software Corporation. All Rights Reserved.
*/
(function (factory) {
if (typeof module === "object" && typeof module.exports === "object") {
var v = factory(require, exports);
if (v !== undefined) module.exports = v;
}
else if (typeof define === "function" && define.amd) {
define(["require", "exports", "../release/go.js", "./GeometryReshapingTool.js", "./PolygonDrawingTool.js"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/*
* This is an extension and not part of the main GoJS library.
* Note that the API for this class may change with any version, even point releases.
* If you intend to use an extension in production, you should copy the code to your own source directory.
* Extensions can be found in the GoJS kit under the extensions or extensionsTS folders.
* See the Extensions intro page (https://gojs.net/latest/intro/extensions.html) for more information.
*/
var go = require("../release/go.js");
var GeometryReshapingTool_js_1 = require("./GeometryReshapingTool.js");
var PolygonDrawingTool_js_1 = require("./PolygonDrawingTool.js");
var myDiagram;
function init() {
if (window.goSamples)
window.goSamples(); // init for these samples -- you don't need to call this
var $ = go.GraphObject.make;
myDiagram =
$(go.Diagram, 'myDiagramDiv');
myDiagram.toolManager.mouseDownTools.insertAt(3, new GeometryReshapingTool_js_1.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_js_1.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
}
exports.init = init;
function mode(draw, polygon) {
// assume PolygonDrawingTool is the first tool in the mouse-down-tools list
var tool = myDiagram.toolManager.mouseDownTools.elt(0);
tool.isEnabled = draw;
tool.isPolygon = polygon;
tool.archetypePartData.fill = (polygon ? 'yellow' : null);
tool.temporaryShape.fill = (polygon ? 'yellow' : null);
}
exports.mode = mode;
// this command ends the PolygonDrawingTool
function finish(commit) {
var tool = myDiagram.currentTool;
if (commit && tool instanceof PolygonDrawingTool_js_1.PolygonDrawingTool) {
var lastInput = myDiagram.lastInput;
if (lastInput.event instanceof MouseEvent)
tool.removeLastPoint(); // remove point from last mouse-down
tool.finishShape();
}
else {
tool.doCancel();
}
}
exports.finish = finish;
// this command removes the last clicked point from the temporary Shape
function undo() {
var tool = myDiagram.currentTool;
if (tool instanceof PolygonDrawingTool_js_1.PolygonDrawingTool) {
var lastInput = myDiagram.lastInput;
if (lastInput.event instanceof MouseEvent)
tool.removeLastPoint(); // remove point from last mouse-down
tool.undo();
}
}
exports.undo = undo;
function updateAllAdornments() {
myDiagram.selection.each(function (p) { p.updateAdornments(); });
}
exports.updateAllAdornments = updateAllAdornments;
// save a model to and load a model from Json text, displayed below the Diagram
function save() {
var str = '{ "position": "' + go.Point.stringify(myDiagram.position) + '",\n "model": ' + myDiagram.model.toJson() + ' }';
document.getElementById('mySavedDiagram').value = str;
}
exports.save = save;
function load() {
var str = document.getElementById('mySavedDiagram').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);
}
}
exports.load = load;
function select() {
mode(false, false);
}
exports.select = select;
function drawPolygon() {
mode(true, true);
}
exports.drawPolygon = drawPolygon;
function drawPolyline() {
mode(true, false);
}
exports.drawPolyline = drawPolyline;
function finishDrawing() {
finish(true);
}
exports.finishDrawing = finishDrawing;
function cancelDrawing() {
finish(false);
}
exports.cancelDrawing = cancelDrawing;
function allowResizing() {
myDiagram.allowResize = !myDiagram.allowResize;
updateAllAdornments();
}
exports.allowResizing = allowResizing;
function allowReshaping() {
myDiagram.allowReshape = !myDiagram.allowReshape;
updateAllAdornments();
}
exports.allowReshaping = allowReshaping;
function allowRotating() {
myDiagram.allowRotate = !myDiagram.allowRotate;
updateAllAdornments();
}
exports.allowRotating = allowRotating;
});