/*
 * Prepopulate form fields in SharePoint
 * Copyright (c) 2008 Paul Grenier (endusersharepoint.com)
 * Licensed under the MIT (MIT-LICENSE.txt)
 */
//?PageView=Shared&ToolPaneView=2
(function(){
	var params = window.location.search.substring(1).split("&"),
		kv = {},
		opts,
		sp=/%20|\+/g,
		datetime=/([1-9]|0[1-9]|1[012])[\-\/.]([1-9]|0[1-9]|[12][0-9]|3[01])[\-\/.](19|20)\d\d\s([0-1][0-2]|[0-9]):([0-9]{2})\s(A|P)M/i,
		date=/([1-9]|0[1-9]|1[012])[\-\/.]([1-9]|0[1-9]|[12][0-9]|3[01])[\-\/.](19|20)\d\d/,
		clean = function(str){
			return str.replace(sp," ");
		},
		getKv = function(){
			$.each(params,function(i,e){
				var p=e.split("=");
				kv[p[0]]=decodeURIComponent(p[1]);
			});
			return kv;
		};
	jQuery.prepop = function(){
		$.each(getKv(),function(k,v){
			k=clean(k);
			v=clean(v);
			var f=$("[title='"+k+"']"),
				job;
			if (f.length>0){
				if (f[0].type=="text"){job=10;} //text
				if (f[0].type=="checkbox"){job=20;} //checkbox
				if (f[0].tagName=="SPAN"&&f.hasClass("ms-RadioText")){job=30;} //radio
				if (f[0].type=="select-one"&&f[0].tagName=="SELECT"){job=10;} //choice and non-IE lookup
				if (f[0].tagName=="TEXTAREA"){job=10;} //textarea
				if (f[0].type=="text"&&f[0].opt=="_Select"){job=70;} //IE lookup
				if (v.match(date)){job=40;} //date
				if (v.match(datetime)){job=50;} //datetime
			}
			if (f.length===0){
				var elm = $("nobr:contains('"+k+"')");
				if (elm.length>0){
					elm = elm.parents("td").next()[0];
					var s1 = $(elm).find("select:first"),
						s2 = $(elm).find("select:last"),
						p1 = $(elm).find("textarea[title='People Picker']"),
						p2 = $(elm).find("div[title='People Picker']"),
						vals = v.split(",");
					if (s1.length>0){job=80;} //multi-select
					if (p1.length>0){job=90;} //people picker
				}
			}
			switch (job){
			case 10:
				if (v.substring(0,1)=="@"){
					opts = f[0].options;
					$.each(opts,function(i,e){
						if (opts[i].value==v.substring(1)){f[0].selectedIndex=i;}
					});
				}else{
					f.val(v);
				}
				break;
			case 20:
				if (v.toUpperCase()=="TRUE"||v=="1"){f[0].checked=true;}
				if (v.toUpperCase()=="FALSE"||v=="0"){f[0].checked=false;}
				break;
			case 30:
				if (v.toUpperCase()=="TRUE"||v=="1"){f.find("input:radio").click();}
				break;
			case 40:
				v=v.replace(/[\-\/.]/g,"/");
				f.val(v);
				break;
			case 50:
				var dt=v.split(" "),
					d=dt[0].replace(/[\-\/.]/g,"/"),
					t=dt[1],
					hm=t.split(":"),
					hh=hm[0].replace(/^0/,""),
					mm=hm[1],
					ap=dt[2].toUpperCase();
				f.val(d);
				f.parent("td").siblings("td.ms-dttimeinput")
					.find("select:first").val(hh+" "+ap)
					.parent("td").find("select:last").val(mm);
				break;
			case 70:
				if (v.substring(0,1)=="@"){
					ShowDropdown(f[0].id);
					opts = $("#_Select")[0].options;
					$.each(opts,function(i,e){
						if (opts[i].value==v.substring(1)){$("#_Select")[0].selectedIndex=i;}
					});
					f.blur();
				}else{
					f.val(v);
					ShowDropdown(f[0].id);
					f.blur();
				}
				break;
			case 80:
				opts = s1[0].options;
				$.each(vals,function(i,e){
					var V=e;
					$.each(opts,function(i,e){
						if (opts[i].text==V){
							s2.append("<option value='"+opts[i].value+"'>"+V+"</option>");
						}
						if (V.substring(0,1)=="@"){
							if (opts[i].value==V.substring(1)){
								s2.append("<option value='"+V+"'>"+opts[i].text+"</option>");
							}
						}
					});
				});
				break;
			case 90:
				var p=vals.join(";");
				p1.val(p);
				p2.html(p);
				break;
			//default:
			}
		});
	};
})();