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@@ 1441-1517 (lines=77) @@
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}, |
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_generatePosition: function(event) { |
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var containment, co, top, left, |
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o = this.options, |
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scroll = this.cssPosition === "absolute" && !( this.scrollParent[ 0 ] !== document && $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ? this.offsetParent : this.scrollParent, |
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pageX = event.pageX, |
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pageY = event.pageY; |
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//Cache the scroll |
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if (!this.offset.scroll) { |
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this.offset.scroll = {top : scroll.scrollTop(), left : scroll.scrollLeft()}; |
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} |
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/* |
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* - Position constraining - |
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* Constrain the position to a mix of grid, containment. |
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*/ |
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// If we are not dragging yet, we won't check for options |
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if ( this.originalPosition ) { |
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if ( this.containment ) { |
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if ( this.relative_container ){ |
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co = this.relative_container.offset(); |
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containment = [ |
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this.containment[ 0 ] + co.left, |
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this.containment[ 1 ] + co.top, |
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this.containment[ 2 ] + co.left, |
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this.containment[ 3 ] + co.top |
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]; |
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} |
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else { |
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containment = this.containment; |
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} |
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if(event.pageX - this.offset.click.left < containment[0]) { |
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pageX = containment[0] + this.offset.click.left; |
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} |
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if(event.pageY - this.offset.click.top < containment[1]) { |
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pageY = containment[1] + this.offset.click.top; |
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} |
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if(event.pageX - this.offset.click.left > containment[2]) { |
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pageX = containment[2] + this.offset.click.left; |
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} |
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if(event.pageY - this.offset.click.top > containment[3]) { |
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pageY = containment[3] + this.offset.click.top; |
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} |
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} |
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if(o.grid) { |
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//Check for grid elements set to 0 to prevent divide by 0 error causing invalid argument errors in IE (see ticket #6950) |
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top = o.grid[1] ? this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1] : this.originalPageY; |
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pageY = containment ? ((top - this.offset.click.top >= containment[1] || top - this.offset.click.top > containment[3]) ? top : ((top - this.offset.click.top >= containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top; |
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left = o.grid[0] ? this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0] : this.originalPageX; |
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pageX = containment ? ((left - this.offset.click.left >= containment[0] || left - this.offset.click.left > containment[2]) ? left : ((left - this.offset.click.left >= containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left; |
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} |
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} |
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return { |
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top: ( |
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pageY - // The absolute mouse position |
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this.offset.click.top - // Click offset (relative to the element) |
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this.offset.relative.top - // Only for relative positioned nodes: Relative offset from element to offset parent |
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this.offset.parent.top + // The offsetParent's offset without borders (offset + border) |
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( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : this.offset.scroll.top ) |
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), |
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left: ( |
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pageX - // The absolute mouse position |
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this.offset.click.left - // Click offset (relative to the element) |
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this.offset.relative.left - // Only for relative positioned nodes: Relative offset from element to offset parent |
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this.offset.parent.left + // The offsetParent's offset without borders (offset + border) |
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( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : this.offset.scroll.left ) |
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) |
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}; |
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}, |
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_clear: function() { |
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this.helper.removeClass("ui-draggable-dragging"); |
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@@ 4559-4624 (lines=66) @@
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}, |
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_generatePosition: function(event) { |
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var top, left, |
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o = this.options, |
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pageX = event.pageX, |
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pageY = event.pageY, |
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scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName); |
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// This is another very weird special case that only happens for relative elements: |
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// 1. If the css position is relative |
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// 2. and the scroll parent is the document or similar to the offset parent |
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// we have to refresh the relative offset during the scroll so there are no jumps |
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if(this.cssPosition === "relative" && !(this.scrollParent[0] !== document && this.scrollParent[0] !== this.offsetParent[0])) { |
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this.offset.relative = this._getRelativeOffset(); |
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} |
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/* |
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* - Position constraining - |
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* Constrain the position to a mix of grid, containment. |
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*/ |
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if(this.originalPosition) { //If we are not dragging yet, we won't check for options |
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if(this.containment) { |
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if(event.pageX - this.offset.click.left < this.containment[0]) { |
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pageX = this.containment[0] + this.offset.click.left; |
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} |
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if(event.pageY - this.offset.click.top < this.containment[1]) { |
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pageY = this.containment[1] + this.offset.click.top; |
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} |
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if(event.pageX - this.offset.click.left > this.containment[2]) { |
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pageX = this.containment[2] + this.offset.click.left; |
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} |
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if(event.pageY - this.offset.click.top > this.containment[3]) { |
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pageY = this.containment[3] + this.offset.click.top; |
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} |
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} |
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if(o.grid) { |
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top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1]; |
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pageY = this.containment ? ( (top - this.offset.click.top >= this.containment[1] && top - this.offset.click.top <= this.containment[3]) ? top : ((top - this.offset.click.top >= this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top; |
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left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0]; |
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pageX = this.containment ? ( (left - this.offset.click.left >= this.containment[0] && left - this.offset.click.left <= this.containment[2]) ? left : ((left - this.offset.click.left >= this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left; |
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} |
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} |
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return { |
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top: ( |
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pageY - // The absolute mouse position |
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this.offset.click.top - // Click offset (relative to the element) |
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this.offset.relative.top - // Only for relative positioned nodes: Relative offset from element to offset parent |
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this.offset.parent.top + // The offsetParent's offset without borders (offset + border) |
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( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) )) |
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), |
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left: ( |
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pageX - // The absolute mouse position |
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this.offset.click.left - // Click offset (relative to the element) |
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this.offset.relative.left - // Only for relative positioned nodes: Relative offset from element to offset parent |
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this.offset.parent.left + // The offsetParent's offset without borders (offset + border) |
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( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() )) |
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) |
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}; |
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}, |
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_rearrange: function(event, i, a, hardRefresh) { |
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aepnat /
simhelpdesk
