gojs
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Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
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text/typescript
/*
* Copyright (C) 1998-2020 by Northwoods Software Corporation. All Rights Reserved.
*/
/*
* 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.
*/
import * as go from '../release/go.js';
import { Inspector } from './DataInspector.js';
export function init() {
if ((window as any).goSamples) (window as any).goSamples(); // init for these samples -- you don't need to call this
const $ = go.GraphObject.make; // for conciseness in defining templates
const myDiagram: go.Diagram =
$(go.Diagram, 'myDiagramDiv', // create a Diagram for the DIV HTML element
{
'animationManager.isEnabled': false,
// allow double-click in background to create a new node
'clickCreatingTool.archetypeNodeData': { text: 'Node', color: 'white' },
// allow Ctrl-G to call groupSelection()
'commandHandler.archetypeGroupData': { text: 'Group', isGroup: true, color: 'blue' },
// enable undo & redo
'undoManager.isEnabled': true,
// automatically show the state of the diagram's model on the page
'ModelChanged': function (e: go.ChangedEvent) {
if (e.isTransactionFinished) {
const elt = document.getElementById('savedModel');
if (elt !== null) elt.textContent = myDiagram.model.toJson();
}
}
});
// These nodes have text surrounded by a rounded rectangle
// whose fill color is bound to the node data.
// The user can drag a node by dragging its TextBlock label.
// Dragging from the Shape will start drawing a new link.
myDiagram.nodeTemplate =
$(go.Node, 'Auto',
{ locationSpot: go.Spot.Center },
new go.Binding('location', 'loc', go.Point.parse).makeTwoWay(go.Point.stringify),
$(go.Shape, 'Rectangle',
{
stroke: null, strokeWidth: 0,
fill: 'white', // the default fill, if there is no data-binding
portId: '', cursor: 'pointer', // the Shape is the port, not the whole Node
// allow all kinds of links from and to this port
fromLinkable: true, fromLinkableSelfNode: true, fromLinkableDuplicates: true,
toLinkable: true, toLinkableSelfNode: true, toLinkableDuplicates: true
},
new go.Binding('fill', 'color')),
$(go.TextBlock,
{
font: 'bold 18px sans-serif',
stroke: '#111',
margin: 8, // make some extra space for the shape around the text
isMultiline: false, // don't allow newlines in text
editable: true // allow in-place editing by user
},
new go.Binding('text', 'text').makeTwoWay())
);
// The link shape and arrowhead have their stroke brush data bound to the "color" property
myDiagram.linkTemplate =
$(go.Link,
{ toShortLength: 3, relinkableFrom: true, relinkableTo: true }, // allow the user to relink existing links
$(go.Shape,
{ strokeWidth: 2 },
new go.Binding('stroke', 'color')),
$(go.Shape,
{ toArrow: 'Standard', stroke: null },
new go.Binding('fill', 'color'))
);
// Groups consist of a title in the color given by the group node data
// above a translucent gray rectangle surrounding the member parts
myDiagram.groupTemplate =
$(go.Group, 'Vertical',
{
selectionObjectName: 'PANEL', // selection handle goes around shape, not label
ungroupable: true
}, // enable Ctrl-Shift-G to ungroup a selected Group
$(go.TextBlock,
{
font: 'bold 19px sans-serif',
isMultiline: false, // don't allow newlines in text
editable: true // allow in-place editing by user
},
new go.Binding('text', 'text').makeTwoWay(),
new go.Binding('stroke', 'color')),
$(go.Panel, 'Auto',
{ name: 'PANEL' },
$(go.Shape, 'Rectangle', // the rectangular shape around the members
{ fill: 'rgba(128,128,128,0.2)', stroke: 'gray', strokeWidth: 3 }),
$(go.Placeholder, { padding: 10 }) // represents where the members are
)
);
// Create the Diagram's Model:
const nodeDataArray = [
{ key: 1, text: 'Alpha', color: '#B2DFDB', state: 'one' },
{ key: 2, text: 'Beta', color: '#B2B2DB', state: 'two', password: '1234' },
{ key: 3, text: 'Gamma', color: '#1DE9B6', state: 2, group: 5, flag: false, choices: [1, 2, 3, 4, 5] },
{ key: 4, text: 'Delta', color: '#00BFA5', state: 'three', group: 5, flag: true },
{ key: 5, text: 'Epsilon', color: '#00BFA5', isGroup: true }
];
const linkDataArray = [
{ from: 1, to: 2, color: '#5E35B1' },
{ from: 2, to: 2, color: '#5E35B1' },
{ from: 3, to: 4, color: '#6200EA' },
{ from: 3, to: 1, color: '#6200EA' }
];
myDiagram.model = new go.GraphLinksModel(nodeDataArray, linkDataArray);
// myDiagram.model = go.Model.fromJson((document.getElementById('mySavedModel') as any).value);
// some shared model data
myDiagram.model.modelData = { test: true, hello: 'world', version: 42 };
// select a Node, so that the first Inspector shows something
myDiagram.select(myDiagram.nodes.first());
// Declare which properties to show and how.
// By default, all properties on the model data objects are shown unless the inspector option "includesOwnProperties" is set to false.
// Show the primary selection's data, or blanks if no Part is selected:
const inspector1 = new Inspector('myInspectorDiv1', myDiagram,
{
// allows for multiple nodes to be inspected at once
multipleSelection: true,
// max number of node properties will be shown when multiple selection is true
showLimit: 4,
// when multipleSelection is true, when showUnionProperties is true it takes the union of properties
// otherwise it takes the intersection of properties
showUnionProperties: true,
// uncomment this line to only inspect the named properties below instead of all properties on each object:
// includesOwnProperties: false,
properties: {
'text': {},
// key would be automatically added for nodes, but we want to declare it read-only also:
'key': { readOnly: true, show: Inspector.showIfPresent },
// color would be automatically added for nodes, but we want to declare it a color also:
'color': { show: Inspector.showIfPresent, type: 'color' },
// Comments and LinkComments are not in any node or link data (yet), so we add them here:
'Comments': { show: Inspector.showIfNode },
'LinkComments': { show: Inspector.showIfLink },
'isGroup': { readOnly: true, show: Inspector.showIfPresent },
'flag': { show: Inspector.showIfNode, type: 'checkbox' },
'state': {
show: Inspector.showIfNode,
type: 'select',
choices: function (node: go.Node, propName: string) {
if (Array.isArray(node.data.choices)) return node.data.choices;
return ['one', 'two', 'three', 'four', 'five'];
}
},
'choices': { show: false }, // must not be shown at all
// an example of specifying the <input> type
'password': { show: Inspector.showIfPresent, type: 'password' }
}
});
// Always show the first Node:
const inspector2 = new Inspector('myInspectorDiv2', myDiagram,
{
// By default the inspector works on the Diagram selection.
// This property lets us inspect a specific object by calling Inspector.inspectObject(object)
inspectSelection: false,
properties: {
'text': {},
// This property we want to declare as a color, to show a color-picker:
'color': { type: 'color' },
// key would be automatically added for node data, but we want to declare it read-only also:
'key': { readOnly: true, show: Inspector.showIfPresent(myDiagram.selection.first(), 'key') }
}
});
// If not inspecting a selection, you can programatically decide what to inspect (a Part, or a JavaScript object)
// Here, we inspect the first node, if available
const firstnode = myDiagram.nodes.first();
if (firstnode !== null) inspector2.inspectObject(firstnode.data);
// Always show the model.modelData:
const inspector3 = new Inspector('myInspectorDiv3', myDiagram,
{
inspectSelection: false
});
inspector3.inspectObject(myDiagram.model.modelData);
// Attach to the window for console manipulation
(window as any).myDiagram = myDiagram;
(window as any).inspector1 = inspector1;
(window as any).inspector2 = inspector2;
(window as any).inspector3 = inspector3;
}