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Code Issues Releases Wiki Activity

draggable widget: actions on drag-start and drag-end (#3203)

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* pass drag-start end drag-end actions to draggable

* Update dragndrop.js

* Update dragndrop.js

* Update dragndrop.js

* Update dragndrop.js

* Update dragndrop.js

* renaming dragstart/dragend -> start/end

* renaming dragstart/dragend -> start/end

* adding docs
This commit is contained in:
BurningTreeC
2018-04-08 10:29:17 +01:00
committed by Jeremy Ruston
parent b783d0f5af
commit afe14b47b5
3 changed files with 30 additions and 2 deletions
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core/modules/utils/dom/dragndrop.js
+19 -1
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@@ -38,7 +38,8 @@ exports.makeDraggable = function(options) {
// Collect the tiddlers being dragged
var dragTiddler = options.dragTiddlerFn && options.dragTiddlerFn(),
dragFilter = options.dragFilterFn && options.dragFilterFn(),
titles = dragTiddler ? [dragTiddler] : [];
titles = dragTiddler ? [dragTiddler] : [],
startActions = options.startActions;
if(dragFilter) {
titles.push.apply(titles,options.widget.wiki.filterTiddlers(dragFilter,options.widget));
}
@@ -49,6 +50,10 @@ exports.makeDraggable = function(options) {
$tw.dragInProgress = domNode;
// Set the dragging class on the element being dragged
$tw.utils.addClass(event.target,"tc-dragging");
// Invoke drag-start actions if given
if(startActions !== undefined) {
options.widget.invokeActionString(startActions,options.widget,event,{actionTiddler: titleString});
}
// Create the drag image elements
dragImage = options.widget.document.createElement("div");
dragImage.className = "tc-tiddler-dragger";
@@ -100,7 +105,20 @@ exports.makeDraggable = function(options) {
}},
{name: "dragend", handlerFunction: function(event) {
if(event.target === domNode) {
// Collect the tiddlers being dragged
var dragTiddler = options.dragTiddlerFn && options.dragTiddlerFn(),
dragFilter = options.dragFilterFn && options.dragFilterFn(),
titles = dragTiddler ? [dragTiddler] : [],
endActions = options.endActions;
if(dragFilter) {
titles.push.apply(titles,options.widget.wiki.filterTiddlers(dragFilter,options.widget));
}
var titleString = $tw.utils.stringifyList(titles);
$tw.dragInProgress = null;
// Invoke drag-end actions if given
if(endActions !== undefined) {
options.widget.invokeActionString(endActions,options.widget,event,{actionTiddler: titleString});
}
// Remove the dragging class on the element being dragged
$tw.utils.removeClass(event.target,"tc-dragging");
// Delete the drag image element