/*
 * Copyright (c) 2008 Justin Britten justinbritten at gmail.com
 *
 * Some code was borrowed from:
 * 1. Greg Weber's uiTableFilter project (http://gregweber.info/projects/uitablefilter)
 * 2. Denny Ferrassoli & Charles Christolini's TypeWatch project (www.dennydotnet.com)
 *
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */

(function($){$.extend({tablesorterFilter:new function(){function has_words(str,words,caseSensitive){var text=caseSensitive?str:str.toLowerCase();for(var i=0;i<words.length;i++){if(words[i].charAt(0)=='-'){if(text.indexOf(words[i].substr(1))!=-1)return false;}else if(text.indexOf(words[i])==-1)return false;}
return true;}
function doFilter(table){if(table.config.debug){var cacheTime=new Date();}
var filters=[];for(var i=0;i<table.config.filter.length;i++){var container=$(table.config.filter[i].filterContainer);var phrase=jQuery.trim(container.val()).replace(/\s+/g,' ');if(phrase.length!=0){var caseSensitive=table.config.filter[i].filterCaseSensitive;filters.push({caseSensitive:caseSensitive,words:caseSensitive?phrase.split(" "):phrase.toLowerCase().split(" "),findStr:table.config.filter[i].filterColumns?"td:eq("+table.config.filter[i].filterColumns.join("),td:eq(")+")":"",filterFunction:table.config.filter[i].filterFunction});}}
var filterCount=filters.length;if(filterCount==0){var search_text=function(){var elem=jQuery(this);resultRows[resultRows.length]=elem;}}else{var search_text=function(){var elem=jQuery(this);for(var i=0;i<filterCount;i++){if(!filters[i].filterFunction((filters[i].findStr?elem.find(filters[i].findStr):elem).text(),filters[i].words,filters[i].caseSensitive)){return true;}}
resultRows[resultRows.length]=elem;}}
var allRows=table.config.cache.row;var resultRows=[];var allRowsCount=allRows.length;for(var i=0;i<allRowsCount;i++){allRows[i].each(search_text);}
$.tablesorter.clearTableBody(table);var resultRowsCount=resultRows.length;for(var i=0;i<resultRowsCount;i++){$(table.tBodies[0]).append(resultRows[i]);}
$(table).trigger("update");if(resultRows.length){$(table).trigger("appendCache");$(table).trigger("sorton",[table.config.sortList]);}
if(table.config.debug){$.tablesorter.benchmark("Apply filter:",cacheTime);}
$(table).trigger("filterEnd");return table;};function clearFilter(table){if(table.config.debug){var cacheTime=new Date();}
for(var i=0;i<table.config.filter.length;i++)
$(table.config.filter[i].filterContainer).val('').get(0).lastValue='';var allRows=table.config.cache.row;$.tablesorter.clearTableBody(table);for(var i=0;i<allRows.length;i++){$(table.tBodies[0]).append(allRows[i]);}
$(table).trigger("update");$(table).trigger("appendCache");$(table).trigger("sorton",[table.config.sortList]);if(table.config.debug){$.tablesorter.benchmark("Clear filter:",cacheTime);}
$(table).trigger("filterCleared");return table;};this.defaults={filterContainer:'#filter-box',filterClearContainer:'#filter-clear-button',filterColumns:null,filterCaseSensitive:false,filterWaitTime:500,filterFunction:has_words};this.construct=function(){var settings=arguments;return this.each(function(){this.config.filter=new Array(settings.length);var config=this.config;config.filter=new Array(settings.length);for(var i=0;i<settings.length;i++)
config.filter[i]=$.extend(this.config.filter[i],$.tablesorterFilter.defaults,settings[i]);var table=this;function checkInputBox(inputBox,override){var value=inputBox.value;if((value!=inputBox.lastValue)||(override)){inputBox.lastValue=value;doFilter(table);}};var timer=new Array(settings.length);for(var i=0;i<settings.length;i++){var container=$(config.filter[i].filterContainer);if(container.length)
container[0].filterIndex=i;container.keyup(function(e,phrase){var index=this.filterIndex;if(undefined!==phrase)
$(this).val(phrase);var inputBox=this;if(inputBox.keyCode==13||undefined!==phrase){var timerWait=1;var overrideBool=true;}else{var timerWait=config.filter[index].filterWaitTime||500;var overrideBool=false;}
var timerCallback=function(){checkInputBox(inputBox,overrideBool);}
clearTimeout(timer[index]);timer[index]=setTimeout(timerCallback,timerWait);return false;});if(config.filter[i].filterClearContainer){var container=$(config.filter[i].filterClearContainer);if(container.length){container[0].filterIndex=i;container.click(function(){var index=this.filterIndex;var container=$(config.filter[index].filterContainer);container.val("");container[0].lastValue="";doFilter(table);if(container[0].type!='hidden')
container.focus();});}}}
$(table).bind("doFilter",function(){doFilter(table);});$(table).bind("clearFilter",function(){clearFilter(table);});});};}});$.fn.extend({tablesorterFilter:$.tablesorterFilter.construct});})(jQuery);