1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
| import G6 from '@antv/g6'
|
| export default (g6: typeof G6) => {
| g6.registerBehavior('canvas-event', {
| getDefaultCfg() {
| return {}
| },
| shouldBegin(e) {
| return true
| },
| getEvents() {
| return {
| 'canvas:mousemove': 'onCanvasMouseMove',
| 'canvas:mousedown': 'onCanvasMouseDown',
| 'canvas:mouseup': 'onCanvasMouseUp',
| 'canvas:dragend': 'onCanvasDragEnd'
| }
| },
| onCanvasMouseMove(e) {
| e.target.get('el').style.cursor = 'grab'
| },
| onCanvasMouseDown(e) {
| e.target.get('el').style.cursor = 'grabbing'
| },
| onCanvasMouseUp(e) {
| e.target.get('el').style.cursor = 'grab'
| },
| onCanvasDragEnd(e) {
| e.target.get('el').style.cursor = 'grab'
| this.graph.emit('on-canvas-dragend', e)
| }
| })
| }
|
|
