vinayakb | 4e8fe23 | 2012-01-31 11:32:32 +0000 | [diff] [blame] | 1 | (function(i){i.fn.drag=function(j,k,l){if(k){this.bind("dragstart",j)}if(l){this.bind("dragend",l)}return !j?this.trigger("drag"):this.bind("drag",k?k:j)};var d=i.event,c=d.special,h=c.drag={not:":input",distance:0,which:1,dragging:false,setup:function(j){j=i.extend({distance:h.distance,which:h.which,not:h.not},j||{});j.distance=e(j.distance);d.add(this,"mousedown",f,j);if(this.attachEvent){this.attachEvent("ondragstart",a)}},teardown:function(){d.remove(this,"mousedown",f);if(this===h.dragging){h.dragging=h.proxy=false}g(this,true);if(this.detachEvent){this.detachEvent("ondragstart",a)}}};c.dragstart=c.dragend={setup:function(){},teardown:function(){}};function f(j){var k=this,l,m=j.data||{};if(m.elem){k=j.dragTarget=m.elem;j.dragProxy=h.proxy||k;j.cursorOffsetX=m.pageX-m.left;j.cursorOffsetY=m.pageY-m.top;j.offsetX=j.pageX-j.cursorOffsetX;j.offsetY=j.pageY-j.cursorOffsetY}else{if(h.dragging||(m.which>0&&j.which!=m.which)||i(j.target).is(m.not)){return}}switch(j.type){case"mousedown":i.extend(m,i(k).offset(),{elem:k,target:j.target,pageX:j.pageX,pageY:j.pageY});d.add(document,"mousemove mouseup",f,m);g(k,false);h.dragging=null;return false;case !h.dragging&&"mousemove":if(e(j.pageX-m.pageX)+e(j.pageY-m.pageY)<m.distance){break}j.target=m.target;l=b(j,"dragstart",k);if(l!==false){h.dragging=k;h.proxy=j.dragProxy=i(l||k)[0]}case"mousemove":if(h.dragging){l=b(j,"drag",k);if(c.drop){c.drop.allowed=(l!==false);c.drop.handler(j)}if(l!==false){break}j.type="mouseup"}case"mouseup":d.remove(document,"mousemove mouseup",f);if(h.dragging){if(c.drop){c.drop.handler(j)}b(j,"dragend",k)}g(k,true);h.dragging=h.proxy=m.elem=false;break}return true}function 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