/* - dragdropreorder.js - */
// http://www.pesticide.org/portal_javascripts/dragdropreorder.js?original=1
var ploneDnDReorder={};ploneDnDReorder.dragging=null;ploneDnDReorder.table=null;ploneDnDReorder.rows=null;ploneDnDReorder.doDown=function(e){var dragging=jq(this).parents('.draggable:first');if(!dragging.length) return;ploneDnDReorder.rows.mousemove(ploneDnDReorder.doDrag);ploneDnDReorder.dragging=dragging;dragging._position=ploneDnDReorder.getPos(dragging);dragging.addClass("dragging");return false};ploneDnDReorder.getPos=function(node){var pos=node.parent().children('.draggable').index(node[0]);return pos==-1?null:pos};ploneDnDReorder.doDrag=function(e){var dragging=ploneDnDReorder.dragging;if(!dragging) return;var target=this;if(!target) return;if(jq(target).attr('id')!=dragging.attr('id')){ploneDnDReorder.swapElements(jq(target),dragging)};return false};ploneDnDReorder.swapElements=function(child1,child2){var parent=child1.parent();var items=parent.children('[id]');items.removeClass('even').removeClass('odd');if(child1[0].swapNode){child1[0].swapNode(child2[0])} else{var t=parent[0].insertBefore(document.createTextNode(''),child1[0]);child1.insertBefore(child2);child2.insertBefore(t);jq(t).remove()};parent.children('[id]:odd').addClass('even');parent.children('[id]:even').addClass('odd')};ploneDnDReorder.doUp=function(e){var dragging=ploneDnDReorder.dragging;if(!dragging) return;dragging.removeClass("dragging");ploneDnDReorder.updatePositionOnServer();dragging._position=null;try{delete dragging._position} catch(e){};dragging=null;ploneDnDReorder.rows.unbind('mousemove',ploneDnDReorder.doDrag);return false};ploneDnDReorder.updatePositionOnServer=function(){var dragging=ploneDnDReorder.dragging;if(!dragging) return;var delta=ploneDnDReorder.getPos(dragging)-dragging._position;if(delta==0){return};var args={item_id:dragging.attr('id').substr('folder-contents-item-'.length)};args['delta:int']=delta;jQuery.post('folder_moveitem',args)};