markgojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
147 lines (146 loc) • 7.28 kB
JavaScript
(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", "./CurvedLinkReshapingTool"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/*
* Copyright (C) 1998-2019 by Northwoods Software Corporation. All Rights Reserved.
*/
var go = require("../release/go");
var CurvedLinkReshapingTool_1 = require("./CurvedLinkReshapingTool");
var myDiagram;
function init() {
if (typeof window["goSamples"] === 'function')
window["goSamples"](); // init for these samples -- you don't need to call this
var $ = go.GraphObject.make; // for conciseness in defining templates
myDiagram =
$(go.Diagram, "myDiagramDiv", // must name or refer to the DIV HTML element
{
initialContentAlignment: go.Spot.Center,
// have mouse wheel events zoom in and out instead of scroll up and down
"toolManager.mouseWheelBehavior": go.ToolManager.WheelZoom,
// support double-click in background creating a new node
"clickCreatingTool.archetypeNodeData": { text: "new node" },
"linkReshapingTool": new CurvedLinkReshapingTool_1.CurvedLinkReshapingTool(),
// enable undo & redo
"undoManager.isEnabled": true
});
// when the document is modified, add a "*" to the title and enable the "Save" button
myDiagram.addDiagramListener("Modified", function (e) {
var button = document.getElementById("SaveButton");
if (button)
button.disabled = !myDiagram.isModified;
var idx = document.title.indexOf("*");
if (myDiagram.isModified) {
if (idx < 0)
document.title += "*";
}
else {
if (idx >= 0)
document.title = document.title.substr(0, idx);
}
});
// define the Node template
myDiagram.nodeTemplate =
$(go.Node, "Auto", new go.Binding("location", "loc", go.Point.parse).makeTwoWay(go.Point.stringify),
// define the node's outer shape, which will surround the TextBlock
$(go.Shape, "RoundedRectangle", {
parameter1: 20,
fill: $(go.Brush, "Linear", { 0: "rgb(254, 201, 0)", 1: "rgb(254, 162, 0)" }),
stroke: "black",
portId: "",
fromLinkable: true,
fromLinkableSelfNode: true,
fromLinkableDuplicates: true,
toLinkable: true,
toLinkableSelfNode: true,
toLinkableDuplicates: true,
cursor: "pointer"
}), $(go.TextBlock, {
font: "bold 11pt helvetica, bold arial, sans-serif",
editable: true // editing the text automatically updates the model data
}, new go.Binding("text", "text").makeTwoWay()));
// unlike the normal selection Adornment, this one includes a Button
myDiagram.nodeTemplate.selectionAdornmentTemplate =
$(go.Adornment, "Spot", $(go.Panel, "Auto", $(go.Shape, { fill: null, stroke: "blue", strokeWidth: 2 }), $(go.Placeholder) // this represents the selected Node
),
// the button to create a "next" node, at the top-right corner
$("Button", {
alignment: go.Spot.TopRight,
click: addNodeAndLink // this function is defined below
}, $(go.Shape, "PlusLine", { desiredSize: new go.Size(6, 6) })) // end button
); // end Adornment
// clicking the button inserts a new node to the right of the selected node,
// and adds a link to that new node
function addNodeAndLink(e, obj) {
var adorn = obj.part;
e.handled = true;
var diagram = adorn.diagram;
diagram.startTransaction("Add State");
// get the node data for which the user clicked the button
var fromNode = adorn.adornedPart;
var fromData = fromNode.data;
// create a new "State" data object, positioned off to the right of the adorned Node
var toData = { text: "new" };
var p = fromNode.location.copy();
p.x += 200;
toData.loc = go.Point.stringify(p); // the "loc" property is a string, not a Point object
// add the new node data to the model
var model = diagram.model;
model.addNodeData(toData);
// create a link data from the old node data to the new node data
var linkdata = {
from: model.getKeyForNodeData(fromData),
to: model.getKeyForNodeData(toData),
text: "transition"
};
// and add the link data to the model
model.addLinkData(linkdata);
// select the new Node
var newnode = diagram.findNodeForData(toData);
diagram.select(newnode);
diagram.commitTransaction("Add State");
// if the new node is off-screen, scroll the diagram to show the new node
diagram.scrollToRect(newnode.actualBounds);
}
// replace the default Link template in the linkTemplateMap
myDiagram.linkTemplate =
$(go.Link, // the whole link panel
{ curve: go.Link.Bezier, reshapable: true },
// don't need to save Link.points, so don't need TwoWay Binding on "points"
new go.Binding("curviness", "curviness").makeTwoWay(), // but save "curviness" automatically
$(go.Shape, // the link shape
{ strokeWidth: 1.5 }), $(go.Shape, // the arrowhead
{ toArrow: "standard", stroke: null }), $(go.Panel, "Auto", $(go.Shape, // the label background, which becomes transparent around the edges
{
fill: $(go.Brush, "Radial", { 0: "rgb(240, 240, 240)", 0.3: "rgb(240, 240, 240)", 1: "rgba(240, 240, 240, 0)" }),
stroke: null
}), $(go.TextBlock, "transition", // the label text
{
textAlign: "center",
font: "10pt helvetica, arial, sans-serif",
stroke: "black",
margin: 4,
editable: true // editing the text automatically updates the model data
}, new go.Binding("text", "text").makeTwoWay())));
// read in the JSON-format data from the "mySavedModel" element
load();
}
exports.init = init;
// Show the diagram's model in JSON format
function save() {
document.getElementById("mySavedModel").value = myDiagram.model.toJson();
myDiagram.isModified = false;
}
exports.save = save;
function load() {
myDiagram.model = go.Model.fromJson(document.getElementById("mySavedModel").value);
}
exports.load = load;
});