/*	Copyright (c) 2004-2006, The Dojo Foundation	All Rights Reserved.	Licensed under the Academic Free License version 2.1 or above OR the	modified BSD license. For more information on Dojo licensing, see:		http://dojotoolkit.org/community/licensing.shtml*/dojo.provide("dojo.widget.html.SortableTable");dojo.require("dojo.lang");dojo.require("dojo.date");dojo.require("dojo.html");dojo.require("dojo.event.*");dojo.require("dojo.widget.HtmlWidget");dojo.require("dojo.widget.SortableTable");dojo.widget.html.SortableTable=function(){	//	summary	//	Constructor for the SortableTable widget	dojo.widget.SortableTable.call(this);	dojo.widget.HtmlWidget.call(this);	this.headClass="";	this.tbodyClass="";	this.headerClass="";	this.headerSortUpClass="selected";	this.headerSortDownClass="selected";	this.rowClass="";	this.rowAlternateClass="alt";	this.rowSelectedClass="selected";	this.columnSelected="sorted-column";};dojo.inherits(dojo.widget.html.SortableTable, dojo.widget.HtmlWidget);dojo.lang.extend(dojo.widget.html.SortableTable, {	templatePath:null,	templateCssPath:null,	getTypeFromString:function(/* string */ s){		//	summary		//	Find the constructor that matches param s by searching through the entire object tree.		var parts=s.split("."),i=0,obj=dj_global; 		do{obj=obj[parts[i++]];}while(i<parts.length&&obj); 		return(obj!=dj_global)?obj:null;	//	function	},	compare:function(/* object */ o1, /* object */ o2){		//	summary		//	Compare two objects using a shallow property compare		for(var p in o1){			if(!(p in o2)) return false;	//	boolean			if(o1[p].valueOf()!=o2[p].valueOf()) return false;	//	boolean		}		return true;	// boolean	},	isSelected:function(/* object */ o){		//	summary		//	checked to see if the passed object is in the current selection.		for(var i=0;i<this.selected.length;i++){			if(this.compare(this.selected[i],o)){				return true; // boolean			}		}		return false;	// boolean	},	removeFromSelected:function(/* object */ o){		//	summary		//	remove the passed object from the current selection.		var idx=-1;		for(var i=0;i<this.selected.length;i++){			if(this.compare(this.selected[i],o)){				idx=i;				break;			}		}		if(idx>=0){			this.selected.splice(idx,1);		}	},	getSelection:function(){		//	summary		//	return the array of currently selected objects (JSON format)		return this.selected;	//	array	},	getValue:function(){		//	summary		//	return a comma-delimited list of selected valueFields.		var a=[];		for(var i=0;i<this.selected.length;i++){			if (this.selected[i][this.valueField]){				a.push(this.selected[i][this.valueField]);			}		}		return a.join();	//	string	},	reset:function(){		//	summary		//	completely resets the internal representations.		this.columns=[];		this.data=[];		this.resetSelections(this.domNode.getElementsByTagName("tbody")[0]);	},	resetSelections:function(/* HTMLTableBodyElement */ body){		this.selected=[];		var idx=0;		var rows=body.getElementsByTagName("tr");		for(var i=0; i<rows.length; i++){			if(rows[i].parentNode==body){				rows[i].removeAttribute("selected");				if(this.enableAlternateRows&&idx%2==1){					rows[i].className=this.rowAlternateClass;				}else{					rows[i].className="";				}				idx++;			}		}	},	getObjectFromRow:function(/* HTMLTableRowElement */ row){		//	summary		//	creates a JSON object based on the passed row		var cells=row.getElementsByTagName("td");		var o={};		for(var i=0; i<this.columns.length;i++){			if(this.columns[i].sortType=="__markup__"){				//	FIXME: should we parse this instead?  Because if the user may not get back the markup they put in...				o[this.columns[i].getField()]=cells[i].innerHTML;			}else{				var text=dojo.html.renderedTextContent(cells[i]);				var val=new (this.columns[i].getType())(text);				o[this.columns[i].getField()]=val;			}		}		if(dojo.html.hasAttribute(row,"value")){			o[this.valueField]=dojo.html.getAttribute(row,"value");		}		return o;	//	object	},	setSelectionByRow:function(/* HTMLTableElementRow */ row){		//	summary		//	create the selection object based on the passed row, makes sure it's unique.		//	note that you need to call render manually (because of multi-select operations)		var o=this.getObjectFromRow(row);		var b=false;		for(var i=0;i<this.selected.length;i++){			if(this.compare(this.selected[i], o)){				b=true;				break;			}		}		if(!b){			this.selected.push(o);		}	},	parseColumns:function(/* HTMLTableHeadElement */ node){		//	summary		//	parses the passed element to create column objects		this.reset();		var row=node.getElementsByTagName("tr")[0];		var cells=row.getElementsByTagName("td");		if (cells.length==0) cells=row.getElementsByTagName("th");		for(var i=0; i<cells.length; i++){			var o={				field:null,				format:null,				noSort:false,				sortType:"String",				dataType:String,				sortFunction:null,				label:null,				align:"left",				valign:"middle",				getField:function(){ return this.field||this.label; },				getType:function(){ return this.dataType; }			};			//	presentation attributes			if(dojo.html.hasAttribute(cells[i], "align")){				o.align=dojo.html.getAttribute(cells[i],"align");			}			if(dojo.html.hasAttribute(cells[i], "valign")){				o.valign=dojo.html.getAttribute(cells[i],"valign");			}			//	sorting features.			if(dojo.html.hasAttribute(cells[i], "nosort")){				o.noSort=dojo.html.getAttribute(cells[i],"nosort")=="true";			}			if(dojo.html.hasAttribute(cells[i], "sortusing")){				var trans=dojo.html.getAttribute(cells[i],"sortusing");				var f=this.getTypeFromString(trans);				if (f!=null && f!=window && typeof(f)=="function") 					o.sortFunction=f;			}			if(dojo.html.hasAttribute(cells[i], "field")){				o.field=dojo.html.getAttribute(cells[i],"field");			}			if(dojo.html.hasAttribute(cells[i], "format")){				o.format=dojo.html.getAttribute(cells[i],"format");			}			if(dojo.html.hasAttribute(cells[i], "dataType")){				var sortType=dojo.html.getAttribute(cells[i],"dataType");				if(sortType.toLowerCase()=="html"||sortType.toLowerCase()=="markup"){					o.sortType="__markup__";	//	always convert to "__markup__"					o.noSort=true;				}else{					var type=this.getTypeFromString(sortType);					if(type){						o.sortType=sortType;						o.dataType=type;					}				}			}			o.label=dojo.html.renderedTextContent(cells[i]);			this.columns.push(o);			//	check to see if there's a default sort, and set the properties necessary			if(dojo.html.hasAttribute(cells[i], "sort")){				this.sortIndex=i;				var dir=dojo.html.getAttribute(cells[i], "sort");				if(!isNaN(parseInt(dir))){					dir=parseInt(dir);					this.sortDirection=(dir!=0)?1:0;				}else{					this.sortDirection=(dir.toLowerCase()=="desc")?1:0;				}			}		}	},	parseData:function(/* array */ data){		//	summary		//	Parse the passed JSON data structure, and cast based on columns.		this.data=[];		this.selected=[];		for(var i=0; i<data.length; i++){			var o={};	//	new data object.			for(var j=0; j<this.columns.length; j++){				var field=this.columns[j].getField();				if(this.columns[j].sortType=="__markup__"){					o[field]=String(data[i][field]);				}else{					var type=this.columns[j].getType();					var val=data[i][field];					var t=this.columns[j].sortType.toLowerCase();					if(val){						o[field]=new type(val);					}else{						o[field]=new type();	//	let it use the default.					}				}			}			//	check for the valueField if not already parsed.			if(data[i][this.valueField]&&!o[this.valueField]){				o[this.valueField]=data[i][this.valueField];			}			this.data.push(o);		}	}, 	parseDataFromTable:function(/* HTMLTableBodyElement */ tbody){		//	summary		//	parses the data in the tbody of a table to create a set of objects.		//	Will add objects to this.selected if an attribute 'selected="true"' is present on the row.		this.data=[];		this.selected=[];		var rows=tbody.getElementsByTagName("tr");		for(var i=0; i<rows.length; i++){			if(dojo.html.getAttribute(rows[i],"ignoreIfParsed")=="true"){				continue;			}			var o={};	//	new data object.			var cells=rows[i].getElementsByTagName("td");			for(var j=0; j<this.columns.length; j++){				var field=this.columns[j].getField();				if(this.columns[j].sortType=="__markup__"){					//	FIXME: parse this?					o[field]=cells[j].innerHTML;				}else{					var type=this.columns[j].getType();					var val=dojo.html.renderedTextContent(cells[j]); //	should be the same index as the column.					if (val) o[field]=new type(val);					else o[field]=new type();	//	let it use the default.				}			}			if(dojo.html.hasAttribute(rows[i],"value")&&!o[this.valueField]){				o[this.valueField]=dojo.html.getAttribute(rows[i],"value");			}			//	FIXME: add code to preserve row attributes in __metadata__ field?