tree.paper.on('cell:pointerdown',function (e, d) {
console.log('pointerdown')
d.stopPropagation()
});
tree.paper.on('cell:pointermove',function (e, d) {
console.log('pointermove')
d.stopPropagation()
});
tree.paper.on('cell:pointerup',function (e, d) {
console.log('pointerup')
d.stopPropagation()
});
tree.paper.on('cell:pointerclick',function (e, d) {
console.log('pointerclick')
d.stopPropagation()
});
//元素变换位置事件,
tree.graph.on('change:source change:target',function (link){
})
jointjs代码在13000行左右