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Code Issues Releases Wiki Activity

Feat: dynamically refresh class for draggable widget DOM node instead of re-rendering the widget (#6787)

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Saq Imtiaz 2022-07-15 16:37:27 +02:00 committed by GitHub
parent 2da117484c
commit f6e021d70f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 23 additions and 3 deletions
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26
core/modules/widgets/draggable.js
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@ -87,12 +87,32 @@ DraggableWidget.prototype.execute = function() {
this.makeChildWidgets();
};
DraggableWidget.prototype.updateDomNodeClasses = function() {
var domNodeClasses = this.domNodes[0].className.split(" "),
oldClasses = this.draggableClasses.split(" ");
this.draggableClasses = this.getAttribute("class");
//Remove classes assigned from the old value of class attribute
$tw.utils.each(oldClasses,function(oldClass){
var i = domNodeClasses.indexOf(oldClass);
if(i !== -1) {
domNodeClasses.splice(i,1);
}
});
//Add new classes from updated class attribute.
$tw.utils.pushTop(domNodeClasses,this.draggableClasses);
this.domNodes[0].setAttribute("class",domNodeClasses.join(" "))
}
/*
Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
*/
DraggableWidget.prototype.refresh = function(changedTiddlers) {
var changedAttributes = this.computeAttributes();
if($tw.utils.count(changedAttributes) > 0) {
var changedAttributes = this.computeAttributes(),
changedAttributesCount = $tw.utils.count(changedAttributes);
if(changedAttributesCount === 1 && changedAttributes["class"]) {
this.updateDomNodeClasses();
} else if(changedAttributesCount > 0) {
this.refreshSelf();
return true;
}
@ -101,4 +121,4 @@ DraggableWidget.prototype.refresh = function(changedTiddlers) {
exports.draggable = DraggableWidget;
})();
})();