diff options
Diffstat (limited to 'ui/jquery.ui.draggable.js')
| -rw-r--r-- | ui/jquery.ui.draggable.js | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/ui/jquery.ui.draggable.js b/ui/jquery.ui.draggable.js index 4814cb851..64cf339e0 100644 --- a/ui/jquery.ui.draggable.js +++ b/ui/jquery.ui.draggable.js @@ -125,8 +125,10 @@ $.widget("ui.draggable", $.ui.mouse, { this._cacheMargins(); //Store the helper's css position - this.cssPosition = this.helper.css("position"); + this.cssPosition = this.helper.css( "position" ); this.scrollParent = this.helper.scrollParent(); + this.offsetParent = this.helper.offsetParent(); + this.offsetParentCssPosition = this.offsetParent.css( "position" ); //The element's absolute position on the page minus margins this.offset = this.positionAbs = this.element.offset(); @@ -184,6 +186,10 @@ $.widget("ui.draggable", $.ui.mouse, { }, _mouseDrag: function(event, noPropagation) { + // reset any necessary cached properties (see #5009) + if ( this.offsetParentCssPosition === "fixed" ) { + this.offset.parent = this._getParentOffset(); + } //Compute the helpers position this.position = this._generatePosition(event); @@ -320,7 +326,6 @@ $.widget("ui.draggable", $.ui.mouse, { _getParentOffset: function() { //Get the offsetParent and cache its position - this.offsetParent = this.helper.offsetParent(); var po = this.offsetParent.offset(); // This is a special case where we need to modify a offset calculated on start, since the following happened: |