/*Script: Sortable Table
Version: 1.4
Authors: Samuel Birch
Licence: Open Source MIT Licence*/

var sortableTable=new Class({getOptions:function(){return{overCls:false,onClick:false,sortOn:0,sortBy:"ASC",filterHide:true,filterHideCls:"hide",filterSelectedCls:"selected"}},initialize:function(table,options){this.setOptions(this.getOptions(),options);this.table=$(table);this.tHead=this.table.getElement("thead");this.tBody=this.table.getElement("tbody");this.tFoot=this.table.getElement("tfoot");this.elements=this.tBody.getElements("tr");this.filtered=false;this.elements.each(function(el,i){if(this.options.overCls){el.addEvent("mouseover",function(){el.addClass(options.overCls)},this);el.addEvent("mouseout",function(){el.removeClass(options.overCls)})}if(this.options.onClick){el.addEvent("click",options.onClick)}},this);this.tHead.getElements("th").each(function(el,i){if(el.axis){el.addEvent("click",this.sort.bind(this,i));el.addEvent("mouseover",function(){el.addClass("tableHeaderOver")});el.addEvent("mouseout",function(){el.removeClass("tableHeaderOver")});el.getdate=function(str){function fixYear(yr){yr=+yr;if(yr<50){yr+=2000}else{if(yr<100){yr+=1900}}return yr}var ret;if(str.length>12){strtime=str.substring(str.lastIndexOf(" ")+1);strtime=strtime.substring(0,2)+strtime.substr(-2)}else{strtime="0000"}if(ret=str.match(/(\d{1,2})[\/-](\d{1,2})[\/-](\d{2,4})/)){return(fixYear(ret[3])*10000)+(ret[2]*100)+(+ret[1])+strtime}return 999999990000};el.findData=function(elem){var child=elem.getFirst();if(child){return el.findData(child)}else{return elem.innerHTML.trim()}};el.compare=function(a,b){var1=el.findData(a.getChildren()[i]);var2=el.findData(b.getChildren()[i]);if(el.axis=="number"){var1=parseFloat(var1);var2=parseFloat(var2);if(el.sortBy=="ASC"){return var1-var2}else{return var2-var1}}else{if(el.axis=="string"){var1=var1.toUpperCase();var2=var2.toUpperCase();if(var1==var2){return 0}if(el.sortBy=="ASC"){if(var1<var2){return -1}}else{if(var1>var2){return -1}}return 1}else{if(el.axis=="date"){var1=parseFloat(el.getdate(var1));var2=parseFloat(el.getdate(var2));if(el.sortBy=="ASC"){return var1-var2}else{return var2-var1}}else{if(el.axis=="currency"){var1=parseFloat(var1.substr(1).replace(",",""));var2=parseFloat(var2.substr(1).replace(",",""));if(el.sortBy=="ASC"){return var1-var2}else{return var2-var1}}}}}};if(i==this.options.sortOn){el.fireEvent("click")}}},this)},sort:function(index){if(this.options.onStart){this.fireEvent("onStart")}this.options.sortOn=index;var header=this.tHead.getElements("th");var el=header[index];header.each(function(e,i){if(i!=index){e.removeClass("sortedASC");e.removeClass("sortedDESC")}});if(el.hasClass("sortedASC")){el.removeClass("sortedASC");el.addClass("sortedDESC");el.sortBy="DESC"}else{if(el.hasClass("sortedDESC")){el.removeClass("sortedDESC");el.addClass("sortedASC");el.sortBy="ASC"}else{if(this.options.sortBy=="ASC"){el.addClass("sortedASC");el.sortBy="ASC"}else{if(this.options.sortBy=="DESC"){el.addClass("sortedDESC");el.sortBy="DESC"}}}}this.elements.sort(el.compare);this.elements.injectInside(this.tBody);if(this.filtered){this.filteredAltRow()}else{this.altRow()}if(this.options.onComplete){this.fireEvent("onComplete")}},altRow:function(){this.elements.each(function(el,i){if(i%2){el.removeClass("altRow")}else{el.addClass("altRow")}})},filteredAltRow:function(){this.table.getElements("."+this.options.filterSelectedCls).each(function(el,i){if(i%2){el.removeClass("altRow")}else{el.addClass("altRow")}})},filter:function(form){var form=$(form);var col=0;var key="";form.getChildren().each(function(el,i){if(el.id=="column"){col=Number(el.value)}if(el.id=="keyword"){key=el.value.toLowerCase()}if(el.type=="reset"){el.addEvent("click",this.clearFilter.bind(this))}},this);if(key){this.elements.each(function(el,i){if(this.options.filterHide){el.removeClass("altRow")}if(el.getChildren()[col].firstChild.data.toLowerCase().indexOf(key)>-1){el.addClass(this.options.filterSelectedCls);if(this.options.filterHide){el.removeClass(this.options.filterHideCls)}}else{el.removeClass(this.options.filterSelectedCls);if(this.options.filterHide){el.addClass(this.options.filterHideCls)}}},this);if(this.options.filterHide){this.filteredAltRow();this.filtered=true}}},clearFilter:function(){this.elements.each(function(el,i){el.removeClass(this.options.filterSelectedCls);if(this.options.filterHide){el.removeClass(this.options.filterHideCls)}},this);if(this.options.filterHide){this.altRow();this.filtered=false}}});sortableTable.implement(new Events);sortableTable.implement(new Options);