ev.target.appendChild(document.getElementById(data)); ev.preventDefault(); } 文件拖拽 上面的例子已经使用了dataTransfer的各种方法和属性,下面再看网上的另外一个有趣的应用:拖拽一个图片到网页上,然后在网页上显示。这个应用用到了dataTransfer的files属性。 <!DOCTYPE HTML> HTML5拖放文件 #se...
从这个事件传入的参数含有的信息非常丰富,从中可以很方便的获取到被拖动的元素(event.Target);从中可以设置被拖动数据(event.dataTransfer.setData);所以你可以很方便实现拖动的背后逻辑(当然你绑定的时候也可以传递其他的参数)。 拖动过程中-ondrag,ondragover,ondragenter和ondragleave事件 ondrag事件的对象是被拖拽元素,...
onDragStart(event, transferData, action) 在拖动开始时你可以定义这个方法,它有三个参数,第一个参数event元素作为被拖动的节点事件,我们可以用event.target取得该DOM节点;第二个transferData是拖拽时候所转移的数据,我们可以在这个方法内给transferData添加数据而进行传递,具体的使用方法请查看nsITransfer接口(尚未确定)...
container.addEventListener("dragover", function(event){event.preventDefault();// event.dataTransfer.dropEffect = "none";// event.dataTransfer.dropEffect = "link";// event.dataTransfer.dropEffect = "move";event.dataTransfer.dropEffect = "copy";console.log(event.type + ":" + event.dataTransfer.drop...
The setData() method of the dataTransfer object (which is a property of a drag event's object) serves to set data of a given format on the drag's data store. Here's the syntax of the method: dataTransferObj.setData(format, data) format is a string specifying the type of data being ...
container.get(0).addEventListener('dragover', handleDragOver, false); container.get(0).addEventListener('drop', handleFileSelect, false); } // file drag / drop /// // check file api availability if (!window.FileList || !window.FileReader) { ...
[i]], context); } // Set up event handlers as required if (deviceIsAndroid) { layer.addEventListener('mouseover', this.onMouse, true); layer.addEventListener('mousedown', this.onMouse, true); layer.addEventListener('mouseup', this.onMouse, true); } layer.addEventListener('click', this....
(mapCanvas, "dragover", function (event) { event.preventDefault();}); on(mapCanvas, "drop", handleDrop);}function handleDrop (event) { console.log("Drop: ", event); event.preventDefault();// Reference// http://www.html5rocks.com/tutorials/file/dndfiles/...
Fired after a mousedown event is triggered on the cell corner (the drag handle). ParamTypeDescription event Event mousedown event object. afterOnCellMouseDown Source code afterOnCellMouseDown(event, coords, TD) Fired after clicking on a cell or row/column header. In case the row/column header...
Very simple but extendable Leaflet plugin to display OSM POIs data on map click. Yohan Boniface Leaflet.Rrose A Leaflet Plugin for Edge Cases. For use when you want popups on mouseover, not click, and you need popup tips to reorient as you get close to the edges of your map. Demo ...