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Code Issues Releases Wiki Activity

Switch drag image to use draggable DOM node

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We’ll still support dragging pills, but dragging the DOM node image
seems to look better in most situations.
This commit is contained in:
Jermolene 2017-03-23 17:02:26 +00:00
parent 8f1114960a
commit b1ed77d6b8
1 changed files with 11 additions and 3 deletions
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14
core/modules/utils/dom/dragndrop.js
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@ -16,12 +16,14 @@ Browser data transfer utilities, used with the clipboard and drag and drop
Options:
domNode: dom node to make draggable
dragImageType: "pill" or "dom"
dragTiddlerFn: optional function to retrieve the title of tiddler to drag
dragFilterFn: optional function to retreive the filter defining a list of tiddlers to drag
widget: widget to use as the contect for the filter
*/
exports.makeDraggable = function(options) {
var dragImage,
var dragImageType = options.dragImageType || "dom",
dragImage,
domNode = options.domNode;
// Make the dom node draggable
domNode.setAttribute("draggable","true");
@ -59,10 +61,16 @@ exports.makeDraggable = function(options) {
// Set up the image
dataTransfer.effectAllowed = "copy";
if(dataTransfer.setDragImage) {
dataTransfer.setDragImage(dragImage.firstChild,-16,-16);
if(dragImageType === "pill") {
dataTransfer.setDragImage(dragImage.firstChild,-16,-16);
} else {
dataTransfer.setDragImage(domNode,(event.clientX-r.left),(event.clientY-r.top));
}
}
// Set up the data transfer
dataTransfer.clearData();
if(dataTransfer.clearData) {
dataTransfer.clearData();
}
var jsonData = [];
if(titles.length > 1) {
titles.forEach(function(title) {