/*
 *  nano Drag and Drop Plugin v1.0
 *  http://www.nanojs.org/plugins/dragdrop
 *
 *  Copyright (c) 2010 James Watts (SOLFENIX)
 *  http://www.solfenix.com
 *
 *  This is FREE software, licensed under the GPL
 *  http://www.gnu.org/licenses/gpl.html
 */

if(nano){nano.plugin({drag:function drag(e){e=(window.event)?window.event:e;nano.dragdrop.select(this,'drag',this.get('nano_drag_limit'),e);if(typeof this.node.onselect==='function'){this.node.onselect.call(this.node,e);}},resize:function resize(e){e=(window.event)?window.event:e;nano.dragdrop.select(this,'resize',this.get('nano_drag_limit'),e);if(typeof this.node.onselect==='function'){this.node.onselect.call(this.node,e);}},drop:function drop(e){nano.dragdrop.drop(this);if(typeof this.node.ondrop==='function'){this.node.ondrop.call(this.node,(window.event)?window.event:e);}}},function(){this.reg({area:function area(obj){this.attr({nano_area:obj});},scale:function scale(obj){this.attr({nano_scale:obj});},limit:function limit(val){this.attr({nano_limit:val});}});this.dragdrop={node:null,select:function select(node,type,limit,evt){node=(!node.nano)?nano(node):node;node.attr({nano_drag_x:evt.clientX,nano_drag_y:evt.clientY,nano_drag_w:evt.clientX-node.x(),nano_drag_h:evt.clientY-node.y(),nano_drag_limit:limit||'none',nano_drag_callback:((type==='resize')?function(e){nano.dragdrop.resize(this,e);}:function(e){nano.dragdrop.drag(this,e);})});nano.dragdrop.node=node;window.onmousemove=function(e){nano.dragdrop.node.node.nano_drag_callback((window.event)?window.event:e);};return node;},drag:function drag(node,evt){node=(!node.nano)?nano(node):node;var x=evt.clientX;var y=evt.clientY;node.moveTo(x-node.node.nano_drag_w,y-node.node.nano_drag_h);node.attr({nano_drag_x:x,nano_drag_y:y});if(typeof node.node.ondrag==='function'){node.node.ondrag.call(node.node,e);}
return node;},resize:function resize(node,evt){node=(!node.nano)?nano(node):node;var x=evt.clientX;var y=evt.clientY;node.resizeBy(x-node.node.nano_drag_x,y-node.node.nano_drag_y);node.attr({nano_drag_x:x,nano_drag_y:y});if(typeof node.node.onresize==='function'){node.node.onresize.call(node.node,e);}
return node;},drop:function drop(node){node=(!node.nano)?nano(node):node;delete node.node.nano_drag_callback;window.onmousemove=null;return node;}};});}