function footerinit(){
	footerdrag();
	footerresize();
	
	$.showSiteFooterTips();
	$('.full_column').each(function(){
		fullcolumninit($(this));
	})
}

function fullcolumninit(dom){
	dom.children('.full_width').css({left:0-canv.offset().left-$.parseInteger($('#canvas').css("borderLeftWidth")),width:$('#scroll_container_bg').width()});
	dom.wp_rightkey(); 
	if(dom.is(':not(.isplate)')){
		fullcolumndrag(dom);
		fullcolumnresize(dom);
		fullcolumndrop(dom);
	}
	
}

function footerdrag(){
	var maxminusheight=0;
	var curcanvheight=canv.height();
	var Command=Undo.Command.createModuleCommand(function(blockid,val){
			var blockel=$('#'+blockid);
			blockel.css('top',val.top);
			canv.height(val.canvheight);
			$('#scroll_container_bg').css('height',(val.canvheight+blockel.height())+'px');
			$.updateselectbgopt();
			$.updatepospropblk();
			$.canvasHeightChange();
	 },null,{returntype:'class'});
	 
	 var undoobj=null;
	$('#site_footer').draggable({
			cursor: 'move',
			axis: "y",
			start: function(event, ui){
				initCanvasHeight();
				var canvasminheight=canv.data('layermaxheight')||0;
				curcanvheight=canv.height();
				maxminusheight=curcanvheight-canvasminheight;
				undoobj=new Command('site_footer');
				undoobj.setOldVal({top:$.parseInteger($(this).css('top')),canvheight:curcanvheight});
			},
			drag: function(event, ui){

				var topmovepx = ui.position.top - ui.originalPosition.top;
				if(topmovepx<0){
					var delta=0-topmovepx;
					if(delta>maxminusheight){
						var canvasminheight=canv.data('layermaxheight')||0;
						ui.position.top=ui.originalPosition.top-maxminusheight;
						canv.height(canvasminheight);
						$('#scroll_container_bg').css('height',(canvasminheight+$(this).height()+100)+'px');
						$.showselectbgopt($(this));
						$(this).triggerHandler('drag_progress',[{left:0,top:ui.position.top}]);
						return;
					} 
				}
				$(this).triggerHandler('drag_progress',[{left:0,top:ui.position.top}]);
				canv.height(curcanvheight+topmovepx);
				$.showselectbgopt($(this));
				$('#scroll_container_bg').css('height',(curcanvheight+topmovepx+$(this).height()+100)+'px');
			},
			stop:function(event, ui){
				var topmovepx = ui.position.top - ui.originalPosition.top;
				canv.height(curcanvheight+topmovepx);
				$('#scroll_container_bg').css('height',(curcanvheight+topmovepx+$(this).height()+100)+'px');
				$.canvasHeightChange();
				correctFooterPos();
				undoobj.insertWithNewVal({top:$.parseInteger($(this).css('top')),canvheight:curcanvheight+topmovepx});		
				undoobj=null;
				$(this).trigger('drag_stop',[{left:parseInt($(this).css('left')),top:parseInt($(this).css('top'))}]);
			}
			
	});
}

function fullcolumndrag(dom){
	dom.wp_drag();
}

function fullcolumnresize(dom){
	var createhandlefunc=function(handle){
		     dom.each(function(){
					 var hname = 'ui-resizable-'+handle;
					var axis = $('<div class="ui-resizable-handle ' + hname + '"><p class="knob "></p></div>');
					
					axis.css({zIndex: 1000});
					$(this).children('.full_width').append(axis);
			 })
				
	}
	var createplaceholderfunc=function(handle){
			  dom.each(function(){
					var hname = 'placeholder-'+handle;
					var axis = $('<div class="li-placeholder  ' + hname + '"></div>');
					axis.css({zIndex: 1000}).hide();
					$(this).children('.full_width').append(axis);
			  })
	}
	createhandlefunc('n');
	createhandlefunc('s');
	createplaceholderfunc('w');
	createplaceholderfunc('e');
	
	var fullcolumnbuttompos;
	dom.resizable({
			handles: {n: '>.full_width .ui-resizable-n',s: '>.full_width .ui-resizable-s'},
			noinit:true,
			canvascontain: '#canvas',
			distance: 0,
		     concernLock:true,
			scroll: true,
			create:function(){
				$(this).children('.full_width').find('.ui-resizable-handle').hide();
			},
			start: function(event, ui){
				fullcolumnbuttompos=$.getFullColChildMaxButtom(dom);
				var self=$(this);
				var resizeundo=new ResizeCommand(self.attr('id'));
				var oldcssarr=['top','height'];
				var oldval={};
				for(var i=0;i<oldcssarr.length;i++){
					oldval[oldcssarr[i]]=self.css(oldcssarr[i]);
				}
				resizeundo.setOldVal(oldval);
				$(document).data('resizeundo',resizeundo);
			},
			resize: function(event, ui){
				
				var curtop=dom.ab_pos_cnter('top');
				var curheight=$.parseInteger(dom.css('height'));
				if($.getElementAreaInf($(this))=='canvas'){
					var maxbuttom=Math.max(curtop+fullcolumnbuttompos,curtop+curheight);
					$.canvasheightresizeOrigin(maxbuttom);
				}
				
				$(this).children('.full_content,.full_width').height($(this).height());
				$(this).triggerHandler('resize_progress',[{ui:ui}]);
				$.showselectbgopt($(this));
				
			},
			stop:function(event, ui){
				$(this).children('.full_content,.full_width').height($(this).height());
				$.showselectbgopt($(this));
				var resizeundo=$(document).data('resizeundo');
				$(document).removeData('resizeundo');
				var self=$(this);
				var oldcssarr=['top','height'];
				var newval={};
				for(var i=0;i<oldcssarr.length;i++){
					newval[oldcssarr[i]]=self.css(oldcssarr[i]);
				}
				$(this).triggerHandler('resize_stop',[{ui:ui}]);
				resizeundo.insertWithNewVal(newval);	
			}
			
	});
}

function footerresize(){
	var createhandlefunc=function(handle){
				var hname = 'ui-resizable-'+handle;
				var axis = $('<div class="ui-resizable-handle ' + hname + '"><p class="knob "></p></div>');
				axis.css({zIndex: 1000});
				$('#site_footer >.full_width').append(axis);
	}
	var createplaceholderfunc=function(handle){
				var hname = 'placeholder-'+handle;
				var axis = $('<div class="li-placeholder  ' + hname + '"></div>');
				axis.css({zIndex: 1000});
				$('#site_footer> .full_width').append(axis);
	}
	createhandlefunc('n');
	createhandlefunc('s');
	createplaceholderfunc('w');
	createplaceholderfunc('e');
	
	
	var maxminusheight=0;
	var curcanvheight=canv.height();
	var canvasminheight=0;
	
	var Command=Undo.Command.createModuleCommand(function(blockid,val){
			var blockel=$('#'+blockid);
			blockel.css('top',val.top);
			blockel.css('height',val.height);
			canv.height(val.canvheight);
			blockel.children('.full_content,.full_width').height(val.height);
			$('#scroll_container_bg').css('height',(val.canvheight+blockel.height())+'px');
			$.updateselectbgopt();
			$.updatepospropblk();
			$.canvasHeightChange();
	 },null,{returntype:'class'});
	 
	 var undoobj=null;
	 var resizertimer=null;
	$('#site_footer').resizable({
			handles: {n: '>.full_width .ui-resizable-n',s: '>.full_width .ui-resizable-s'},
			noinit:true,
			distance: 0,
			scroll: true,
			create:function(){
				$(this).children('.full_width').find('.ui-resizable-handle').hide();
			},
			start: function(event, ui){
				initCanvasHeight();
				if(resizertimer){
					clearTimeout(resizertimer);
					resizertimer=null;
				}
				canvasminheight=canv.data('layermaxheight')||0;
				curcanvheight=canv.height();
				maxminusheight=curcanvheight-canvasminheight;
				
				undoobj=new Command('site_footer');
				undoobj.setOldVal({top:$.parseInteger($(this).css('top')),canvheight:curcanvheight,height:$(this).height()});
				$(this).triggerHandler('resize_progress',[{ui:ui}]);
			},
			resize: function(event, ui){
				var resizeobj=$(this).data('resizable');
				var theaxis=resizeobj.axis;
				if(theaxis=='n'){
					var changey= $(this).height()-ui.originalSize.height;
					if(changey>maxminusheight){
						var mintop=canvasminheight;
						$(this).css({top:mintop,height:ui.originalSize.height+maxminusheight});
						var oriscrolltop=$(this).data('resize_oriscrolltop');
						$(this).scrollParent().scrollTop(oriscrolltop);
						$(this).children('.full_content,.full_width').height($(this).height());
						canv.height(canvasminheight);
						$('#scroll_container_bg').css('height',(canvasminheight+$(this).height()+100)+'px');
						$.showselectbgopt($(this));
						return;
					}
					canv.height(curcanvheight-changey);
					$(this).children('.full_content,.full_width').height($(this).height());
					$('#scroll_container_bg').css('height',(canv.height()+$(this).height()+100)+'px');
				}else{
					$(this).children('.full_content,.full_width').height($(this).height());
					$('#scroll_container_bg').css('height',(canv.height()+$(this).height()+100)+'px');
				}
				$.showselectbgopt($(this));
				$(this).triggerHandler('resize_stop',[{ui:ui}]);
			},
			stop:function(event, ui){
				var self=$(this);
				undoobj.insertWithNewVal({top:$.parseInteger(self.css('top')),canvheight:canv.height(),height:self.height()});		
				undoobj=null;
				$.canvasHeightChange();
			}
			
	});
}

function fullcolumndrop(dom){
	var createplaceholderfunc=function(handle){
			  dom.each(function(){
					var hname = 'placeholder-'+handle;
					var axis = $('<div class="li-placeholder  ' + hname + '"></div>');
					axis.css({zIndex: 1000});
					$(this).children('.full_content').append(axis);
			  })
	}
	createplaceholderfunc('n');
	createplaceholderfunc('s');
	createplaceholderfunc('w');
	createplaceholderfunc('e');
	
	var contentblock=dom.children('.full_content');
	contentblock.children('.li-placeholder').hide();
	contentblock.children('.placeholder-n').css({'border-top':'#FF9900 dashed 4px'});
	contentblock.children('.placeholder-s').css({'border-bottom':'#FF9900 dashed 4px'});
	contentblock.children('.placeholder-e').css({'border-right':'#FF9900 dashed 4px'});
	contentblock.children('.placeholder-w').css({'border-left':'#FF9900 dashed 4px'});
	
	contentblock.droppable({
			tolerance: 'pointer',
			accept:'.full_column,.cstlayer',
			drop: function( event, ui ) {
				var draggable = $.ui.ddmanager.current;
				if($.getElementAreaInf($(draggable.element))==$.getElementAreaInf(dom)){
					if(!dom.hasClass('ui-modselected')){
						$(this).children('.li-placeholder').hide();
						var existcolumn=$(document).data('layer_final_drop_id');
						var biggercolumn=$.chooseBiggerColumn(existcolumn,dom.attr('id'));

						$(document).data('layer_final_drop_id',biggercolumn);
					}
				}
			},
			over: function(event, ui){
				//判断是否包含锁定元素
				var has_layer_lock=false;
				$('.ui-modselected').each(function(){
						if($(this).data('cstlayerstatus') == 'unlock' ){
							has_layer_lock=true;
						}
				});
				if(has_layer_lock) return;
				var draggable = $.ui.ddmanager.current;
				if($.getElementAreaInf($(draggable.element))==$.getElementAreaInf(dom)){
					if(!dom.hasClass('ui-modselected')){
						var thisid=dom.attr('id');
						var existid=$(document).data('layer_drop_over_id');
						if(thisid != existid){
							var biggerid=$.chooseBiggerColumn(existid,thisid);
							if(biggerid == thisid){
								var $this=$(this);
								$(this).children('.li-placeholder').show();
								if(existid){
									var existcolumnel = $('#'+existid);
									var dropobj=existcolumnel.children('.full_content').data('droppable');
									dropobj['isover'] = 0;
									dropobj['isout'] = 1;
									dropobj._out.call(dropobj, event);
								}
								$(document).data('layer_drop_over_id', thisid);
							}else{
								var dropobj1=$(this).data('droppable');
								dropobj1['isover'] = 0;
								dropobj1['isout'] = 1;
							}
						}

					}
				}
			},
			out: function(event, ui){
				//判断是否包含锁定元素
				var has_layer_lock=false;
				$('.ui-modselected').each(function(){
						if($(this).data('cstlayerstatus') == 'unlock' ){
							has_layer_lock=true;
						}
				});
				if(has_layer_lock) return;
				var draggable = $.ui.ddmanager.current;
				if($.getElementAreaInf($(draggable.element))==$.getElementAreaInf(dom)){
					if(!dom.hasClass('ui-modselected') ){
						$(this).children('.li-placeholder').hide();
						var curoverid=$(document).data('layer_drop_over_id');
						if(curoverid == dom.attr('id')) $(document).removeData('layer_drop_over_id');
					} 
				}
				
			}
	});

}

function fullcolumn_propblk_init(){
	var lvtimer;
	for(var key in $.backgroundPropDefaults){
		(function(){	
			var curkey=key;
			var otherfunc=null;
			if($.inArray(curkey,['bg_moveto_prevop','bg_moveto_nextop']) != -1){
				var innertxt ='', lvtype = '';
				switch(curkey){
					case 'bg_moveto_prevop':
						lvtype = 'top';
						innertxt = '<div class="wp-moveto_fstlevel"><a class="property-bar-top" href="###" title="'+translate('Move to top')+'"><span>&nbsp;</span></a></div>';
						break;
					case 'bg_moveto_nextop':
						lvtype = 'bottom';
						innertxt = '<div class="wp-moveto_lstlevel"><a class="property-bar-bottom" href="###" title="'+translate('Move to bottom')+'"><span>&nbsp;</span></a></div>';
						break;
				}
				otherfunc={
					mousedown:function(){
						var $target = $(this)
						var apos =$target.offset();
						var scrollctner=$('#scroll_container');
						var scrolltop=scrollctner.scrollTop();

						$(innertxt).appendTo(scrollctner).css({
							top: function(){
								return (apos.top+scrolltop - 25-39)+'px'
							},left: apos.left+'px'
						}).click(function(e){
							$('#'+$.bgselectedid).wp_setorder(lvtype,$.bgselectedid);
							$(this).remove();
							$target.removeClass('local');
							e.preventDefault();
						});

					},
					mouseup:function(){

					}
				}
			}
			$('#'+curkey).mousedown(function(e){
					var $target = $(this);	
					$target.addClass('local');
					if($('.wp-moveto_fstlevel,.wp-moveto_lstlevel').size()) $('.wp-moveto_fstlevel,.wp-moveto_lstlevel').remove();
					if(otherfunc != null){
						otherfunc.mousedown.apply(this);
					}
					e.preventDefault();
			}).mouseup(function(e){
					var self = this,$target = $(self);
					$target.removeClass('local');
					$.backgroundPropDefaults[curkey].apply(this);
					if(otherfunc != null){
						otherfunc.mouseup.apply(this);
					}
					e.preventDefault();
			})
		})();
	}
}

(function($){
function getAllParents(el){
	var parents={};
	parents[el.prop('id')]='null';
	var curel=el;
	while(true){
		var parentid=$.getElementFatherid(curel);
		if(parentid =='none') break;
		parents[parentid]=curel.prop('id');
		curel=$('#'+parentid);
	}
	return parents;
}

$.chooseBiggerColumn=function(existcolumnid,newcolumnid){
	var biggercolumnid=newcolumnid;
	if(existcolumnid==newcolumnid) return biggercolumnid;
	if(existcolumnid){
		var existcolumnel=$('#'+existcolumnid);
		var newcolumnel=$('#'+newcolumnid);
		
		var existcolumnfathers=getAllParents(existcolumnel);
		var newcolumnfathers=getAllParents(newcolumnel);
		var rootid='canvas';
		if(!existcolumnfathers[rootid])  rootid='site_footer';
		var existdifffather=rootid;
		var newdifffather=rootid;
		while(existdifffather == newdifffather){
			existdifffather =existcolumnfathers[existdifffather];
			newdifffather =newcolumnfathers[newdifffather];
			if(existdifffather=='null' || newdifffather=='null') break;
		}
		if(existdifffather=='null') biggercolumnid=newcolumnid;
		else if(newdifffather=='null') biggercolumnid=existcolumnid;
		else{
			var existfatherzindex=$.parseInteger($('#'+existdifffather).css('z-index'));
			var newfatherzindex=$.parseInteger($('#'+newdifffather).css('z-index'));
			if(existfatherzindex > newfatherzindex) biggercolumnid=existcolumnid;
		}
	}
	return biggercolumnid;
}	

$.transferToColumn=function(dom,fathercolid){
	var oldfatherid=$.getElementFatherid(dom);
	if(oldfatherid!=fathercolid){
		var newfatherel=$('#'+fathercolid);
		var domabpos=dom.ab_pos('top');
		var newfatherabpos=newfatherel.ab_pos('top');
		var contentblock=newfatherel;
		if(fathercolid!='canvas')  contentblock=newfatherel.children('.full_content');
		dom.detach().attr('fatherid',fathercolid).css('top',(domabpos-newfatherabpos)).appendTo(contentblock);
		if(fathercolid=='site_footer'||fathercolid=='canvas') dom.removeAttr('fatherid');
	}
}

$.getElementAreaInf=function(dom){
	return dom.attr('inbuttom')=='1'?'site_footer':'canvas';
}

$.transferToArea=function(dom,from,to,isInUndo){
	var domabpos=dom.ab_pos('top');
	var footertop=$.parseInteger($('#site_footer').css('top'));
	if(to=='site_footer'){
		var curmodtop=domabpos-footertop;
		dom.css('top',curmodtop);
		dom.attr('inbuttom','1');
		dom.detach().removeAttr('fatherid').appendTo($('#site_footer').children('.full_content'));
		if(dom.hasClass('full_column')) dom.find('.cstlayer,.full_column').attr('inbuttom','1');
	}else{
		var curmodtop=domabpos+footertop;
		dom.css('top',curmodtop);
		var canvheight=$('#canvas').height();
		if(canvheight<curmodtop+dom.height()&&!isInUndo){
			$.canvasheightresizeOrigin(curmodtop+dom.height());
		}
		dom.removeAttr('inbuttom');
		dom.detach().removeAttr('fatherid').appendTo($('#canvas'));
		if(dom.hasClass('full_column')) dom.find('.cstlayer,.full_column').removeAttr('inbuttom');
	}
	if(dom.is('.ui-modselected')){
		$.hidWidgetBorder(dom);
		$.showWidgetBorder(dom);
	}
	if(dom.is('.full_column')){
		dom.find('.cstlayer,.full_column').each(function(){
			if($(this).is('.ui-modselected')){
				$.hidWidgetBorder($(this));
				$.showWidgetBorder($(this));
			}
		})
	}
}

$.addFullColumn=function(top){
         var successfunc=function(resp,needchangeid){
				var fullcolumnhtml=resp;
				if(needchangeid){
					var fullcolumnels=$(fullcolumnhtml).filter('.full_column');
					var nowid=fullcolumnels.prop('id');
					var newid='layer'+fGuid();
					fullcolumnhtml=fullcolumnhtml.replace(new RegExp(nowid,"g"),newid);
				}
				var fullcolumnel=$(fullcolumnhtml).appendTo('#canvas').css('top',top);
				fullcolumnel=fullcolumnel.filter('.full_column');
				fullcolumninit(fullcolumnel);
				fullcolumnel.css('z-index',100);
				$('.ui-modselected').each(function(){
					$.hidWidgetBorder($(this));
					// 图文模块相关 2012/2/14
					if($(this).hasClass('graphic_edited')) actived_graphic();
				});	
				$.selectbgdiv(fullcolumnel);
				new AddCommand(fullcolumnel.prop('id')).insert();
				
				var objarray=new Array();
				objarray[0]=new Array(parseInt($('#'+fullcolumnel.prop('id')).css('z-index')),fullcolumnel.prop('id'));
				$.zindexsort_new(objarray);				
		}	
		
		if($.addFullColumn.html_cache){
			successfunc($.addFullColumn.html_cache,true);
			return;
		}
		
		$.ajax({
	        type: "GET",
	        url: parseToURL("wp_widgets","gtfullcolumn"),
	        success: function(response){
				$.addFullColumn.html_cache=response;
				successfunc(response,false);
			},
			error: function(xhr, textStatus, errorThrown){
				wp_alert((errorThrown||textStatus)+"(add a fullcolumn).<br/>"+translate("Request failed!"));
				return false;
			}
	    });
}

$.curSelectableFather=function(){
	var selmods=$('.ui-modselected');
	if(selmods.length==0){
		$(document).data('cur_selectable_father',null);
		return null;
	}else{
		var fatherid=$.getElementFatherid(selmods.filter(':first'));
		$(document).data('cur_selectable_father',fatherid);
		return fatherid;
		
	}
}

$.getElementFatherid=function(dom){
	if(dom.prop('id')=='canvas'||dom.prop('id')=='site_footer') return 'none';
	var fatherid=dom.attr('fatherid');
	if(!fatherid||fatherid==''){
		if(dom.closest('#canvas').length>0){
			fatherid='canvas';
		}else if(dom.closest('#site_footer').length>0){
			fatherid='site_footer';
		}
	}
	return fatherid;
}

$.fn.ab_pos=function(direct){
	var dom=$(this);
	if(dom.prop('id')=='canvas'||dom.prop('id')=='site_footer') return 0;
	if(direct=='left'||direct=='top'){
		if(!dom.attr('fatherid')||dom.attr('fatherid')=='') return dom.rel_pos(direct);
		return dom.rel_pos(direct)+$('#'+dom.attr('fatherid')).ab_pos(direct);
	}
}

$.fn.ab_pos_cnter=function(direct){
	var abpos=$(this).ab_pos(direct);
	if($(this).closest('#site_footer').length>0&&direct=='top'){
		return abpos+$.parseInteger($('#site_footer').css(direct));
	}
	return abpos;
}

$.fn.rel_pos=function(direct){
	if(direct=='left'||direct=='top'){
		return $.parseInteger($(this).css(direct));
	}
}

$.getFullColChildMaxButtom=function(dom){
		var parenttoppos=dom.ab_pos_cnter('top');
		var maxbuttompos=parenttoppos;
		dom.find('.cstlayer,.full_column').each(function(){
			var el=$(this);
			var buttompos=0;
			if(el.hasClass('cstlayer')) buttompos=$.divrotate.getDegreeModMaxPoint(el,null,'buttom');
			else buttompos=el.ab_pos_cnter('top')+$.parseInteger(el.css('height'));
			if(maxbuttompos<buttompos) maxbuttompos=buttompos
		})
		return maxbuttompos-parenttoppos;
	
}

$.getFullColumnButtomPos=function(dom){
	if(dom.hasClass('cstlayer')){
		return $.divrotate.getDegreeModMaxPoint(dom,null,'buttom');
	}else if(dom.hasClass('full_column')){
		var maxbuttompos=0;
		dom.find('.cstlayer,.full_column').andSelf().each(function(){
			var el=$(this);
			var buttompos=0;
			if(el.hasClass('cstlayer')) buttompos=$.divrotate.getDegreeModMaxPoint(el,null,'buttom');
			else buttompos=el.ab_pos_cnter('top')+$.parseInteger(el.css('height'));
			if(maxbuttompos<buttompos) maxbuttompos=buttompos
		})
		return maxbuttompos;
	}
}

$.saveFullColumnObj=function(dom){
	var fullbackprop=dom.children('.full_width').data('backgroundprops')||{};
	var contentbackprop=dom.find('.full_content').data('backgroundprops')||{};
	var footerheight=dom.height();
	var otherparam={};
	if(dom.prop('id') != 'site_footer') otherparam={top:$.parseInteger(dom.css('top')),zindex:$.parseInteger(dom.css('z-index')),lock:dom.data('cstlayerstatus')};
	return $.extend({
		fullbackgroundprop:fullbackprop,
		contentbackgroundprop:contentbackprop,
		footerheight:footerheight
	},otherparam);
}
})(jQuery)