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Draggable: Added start positions to ui hashes in events.

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This commit is contained in:
Scott González 2012-01-20 21:17:11 -05:00
parent 266fb1e89e
commit 30a12111d9
1 changed files with 8 additions and 7 deletions
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15
ui/jquery.ui.draggable.js vendored
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@ -26,7 +26,7 @@ $.widget( "ui.draggable", $.ui.interaction, {
// dragEl: element being dragged (original or helper)
// position: final CSS position of dragEl
// offset: offset of dragEl
// startCoords: pageX/Y of the mousedown (offset of pointer)
// startPointer: pageX/Y of the mousedown (offset of pointer)
// startPosition: CSS position prior to drag start
// startOffset: offset prior to drag start
// tempPosition: overridable CSS position of dragEl
@ -56,7 +56,8 @@ $.widget( "ui.draggable", $.ui.interaction, {
this.cssPosition = this.dragEl.css( "position" );
this.scrollParent = this.element.scrollParent();
// Cache starting absolute and relative positions
// Cache starting positions
this.startPointer = pointerPosition;
this.startPosition = this._getPosition();
this.startOffset = this.dragEl.offset();
@ -64,8 +65,6 @@ $.widget( "ui.draggable", $.ui.interaction, {
this.position = $.extend( {}, this.startPosition );
this.offset = $.extend( {}, this.startOffset );
this.startCoords = pointerPosition;
// Cache the offset of scrollParent, if required for _handleScrolling
if ( this.scrollParent[0] !== this.document[0] && this.scrollParent[0].tagName !== "HTML" ) {
this.overflowOffset = this.scrollParent.offset();
@ -223,8 +222,8 @@ $.widget( "ui.draggable", $.ui.interaction, {
// Uses event to determine new position of draggable, before any override from callbacks
// TODO: handle absolute element inside relative parent like a relative element
_preparePosition: function( pointerPosition ) {
var leftDiff = pointerPosition.x - this.startCoords.x,
topDiff = pointerPosition.y - this.startCoords.y,
var leftDiff = pointerPosition.x - this.startPointer.x,
topDiff = pointerPosition.y - this.startPointer.y,
newLeft = leftDiff + this.startPosition.left,
newTop = topDiff + this.startPosition.top;
@ -271,8 +270,10 @@ $.widget( "ui.draggable", $.ui.interaction, {
},
_uiHash: function( pointerPosition ) {
// TODO: add originalPosition
var ret = {
startPosition: $.extend( {}, this.startPosition ),
startOffset: $.extend( {}, this.startOffset ),
startPointer: $.extend( {}, this.startPointer ),
position: this.position,
offset: this.offset,
pointer: pointerPosition