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ecomfe / zrender

A lightweight graphic library providing 2d draw for Apache ECharts
https://ecomfe.github.io/zrender-doc/public/
BSD 3-Clause "New" or "Revised" License
6.06k stars 1.56k forks source link

怎么避免拖动元素 移出画布 #1055

Open bilimumu1576 opened 10 months ago

bilimumu1576 commented 10 months ago

1.能否给个判定出界的方案 阻止移动可以

shyser commented 8 months ago

在drag事件中判断是否超出边界，超出时主动触发mouseup事件，中断鼠标的拖拽。

e.target.__zr.handler.dispatchToElement({target: e.target}, 'mouseup', e.event)