/*
 * File:        ColVis.min.js
 * Version:     1.0.5
 * Author:      Allan Jardine (www.sprymedia.co.uk)
 * 
 * Copyright 2010-2011 Allan Jardine, all rights reserved.
 *
 * This source file is free software, under either the GPL v2 license or a
 * BSD (3 point) style license, as supplied with this software.
 * 
 * This source file is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.
 */
(function(d){ColVis=function(a,b){if(!this.CLASS||this.CLASS!="ColVis")alert("Warning: ColVis must be initialised with the keyword 'new'");if(typeof b=="undefined")b={};this.s={dt:null,oInit:b,fnStateChange:null,activate:"click",sAlign:"left",buttonText:"Show / hide columns",hidden:true,aiExclude:[],abOriginal:[],bRestore:false,sRestore:"Restore original",iOverlayFade:500,fnLabel:null,sSize:"auto"};this.dom={wrapper:null,button:null,collection:null,background:null,catcher:null,buttons:[],restore:null};
ColVis.aInstances.push(this);this.s.dt=a;this._fnConstruct();return this};ColVis.prototype={fnRebuild:function(){for(var a=this.dom.buttons.length-1;a>=0;a--)this.dom.buttons[a]!==null&&this.dom.collection.removeChild(this.dom.buttons[a]);this.dom.buttons.splice(0,this.dom.buttons.length);this.dom.restore&&this.dom.restore.parentNode(this.dom.restore);this._fnAddButtons();this._fnDrawCallback()},_fnConstruct:function(){this._fnApplyCustomisation();var a=this;this.dom.wrapper=document.createElement("div");
this.dom.wrapper.className="ColVis TableTools";this.dom.button=this._fnDomBaseButton(this.s.buttonText);this.dom.button.className+=" ColVis_MasterButton";this.dom.wrapper.appendChild(this.dom.button);this.dom.catcher=this._fnDomCatcher();this.dom.collection=this._fnDomCollection();this.dom.background=this._fnDomBackground();this._fnAddButtons();for(var b=0,c=this.s.dt.aoColumns.length;b<c;b++)this.s.abOriginal.push(this.s.dt.aoColumns[b].bVisible);this.s.dt.aoDrawCallback.push({fn:function(){a._fnDrawCallback.call(a)},
sName:"ColVis"})},_fnApplyCustomisation:function(){var a=this.s.oInit;if(typeof a.activate!="undefined")this.s.activate=a.activate;if(typeof a.buttonText!="undefined")this.s.buttonText=a.buttonText;if(typeof a.aiExclude!="undefined")this.s.aiExclude=a.aiExclude;if(typeof a.bRestore!="undefined")this.s.bRestore=a.bRestore;if(typeof a.sRestore!="undefined")this.s.sRestore=a.sRestore;if(typeof a.sAlign!="undefined")this.s.sAlign=a.sAlign;if(typeof a.fnStateChange!="undefined")this.s.fnStateChange=a.fnStateChange;
if(typeof a.iOverlayFade!="undefined")this.s.iOverlayFade=a.iOverlayFade;if(typeof a.fnLabel!="undefined")this.s.fnLabel=a.fnLabel},_fnDrawCallback:function(){for(var a=this.s.dt.aoColumns,b=0,c=a.length;b<c;b++)if(this.dom.buttons[b]!==null)a[b].bVisible?d("input",this.dom.buttons[b]).attr("checked","checked"):d("input",this.dom.buttons[b]).removeAttr("checked")},_fnAddButtons:function(){for(var a,b=","+this.s.aiExclude.join(",")+",",c=0,e=this.s.dt.aoColumns.length;c<e;c++)if(b.indexOf(","+c+",")==
-1){a=this._fnDomColumnButton(c);this.dom.buttons.push(a);this.dom.collection.appendChild(a)}else this.dom.buttons.push(null);if(this.s.bRestore){a=this._fnDomRestoreButton();a.className+=" ColVis_Restore";this.dom.buttons.push(a);this.dom.collection.appendChild(a)}},_fnDomRestoreButton:function(){var a=this,b=document.createElement("button"),c=document.createElement("span");b.className=!this.s.dt.bJUI?"ColVis_Button TableTools_Button":"ColVis_Button TableTools_Button ui-button ui-state-default";
b.appendChild(c);d(c).html('<span class="ColVis_title">'+this.s.sRestore+"</span>");d(b).click(function(){for(var e=0,f=a.s.abOriginal.length;e<f;e++)a.s.dt.oInstance.fnSetColumnVis(e,a.s.abOriginal[e],false);a.s.dt.oInstance.fnDraw(false)});return b},_fnDomColumnButton:function(a){var b=this,c=this.s.dt.aoColumns[a],e=document.createElement("button"),f=document.createElement("span");e.className=!this.s.dt.bJUI?"ColVis_Button TableTools_Button":"ColVis_Button TableTools_Button ui-button ui-state-default";
e.appendChild(f);c=this.s.fnLabel===null?c.sTitle:this.s.fnLabel(a,c.sTitle,c.nTh);d(f).html('<span class="ColVis_radio"><input type="checkbox"></span><span class="ColVis_title">'+c+"</span>");d(e).click(function(g){var h=!d("input",this).is(":checked");if(g.target.nodeName.toLowerCase()=="input")h=d("input",this).is(":checked");g=d.fn.dataTableExt.iApiIndex;d.fn.dataTableExt.iApiIndex=b._fnDataTablesApiIndex.call(b);b.s.dt.oInstance.fnSetColumnVis(a,h);d.fn.dataTableExt.iApiIndex=g;b.s.fnStateChange!==
null&&b.s.fnStateChange.call(b,a,h)});return e},_fnDataTablesApiIndex:function(){for(var a=0,b=this.s.dt.oInstance.length;a<b;a++)if(this.s.dt.oInstance[a]==this.s.dt.nTable)return a;return 0},_fnDomBaseButton:function(a){var b=this,c=document.createElement("button"),e=document.createElement("span"),f=this.s.activate=="mouseover"?"mouseover":"click";c.className=!this.s.dt.bJUI?"ColVis_Button TableTools_Button":"ColVis_Button TableTools_Button ui-button ui-state-default";c.appendChild(e);e.innerHTML=
a;d(c).bind(f,function(g){b._fnCollectionShow();g.preventDefault()});return c},_fnDomCollection:function(){var a=document.createElement("div");a.style.display="none";a.className=!this.s.dt.bJUI?"ColVis_collection TableTools_collection":"ColVis_collection TableTools_collection ui-buttonset ui-buttonset-multi";a.style.position="absolute";d(a).css("opacity",0);return a},_fnDomCatcher:function(){var a=this,b=document.createElement("div");b.className="ColVis_catcher TableTools_catcher";d(b).click(function(){a._fnCollectionHide.call(a,
null,null)});return b},_fnDomBackground:function(){var a=this,b=document.createElement("div");b.style.position="absolute";b.style.left="0px";b.style.top="0px";b.className="ColVis_collectionBackground TableTools_collectionBackground";d(b).css("opacity",0);d(b).click(function(){a._fnCollectionHide.call(a,null,null)});this.s.activate=="mouseover"&&d(b).mouseover(function(){a.s.overcollection=false;a._fnCollectionHide.call(a,null,null)});return b},_fnCollectionShow:function(){var a=this,b,c;b=d(this.dom.button).offset();
var e=this.dom.collection,f=this.dom.background,g=parseInt(b.left,10),h=parseInt(b.top+d(this.dom.button).outerHeight(),10);e.style.top=h+"px";e.style.left=g+"px";e.style.display="block";d(e).css("opacity",0);c=d(window).height();var i=d(document).height(),j=d(window).width();h=d(document).width();f.style.height=(c>i?c:i)+"px";f.style.width=(j<h?j:h)+"px";c=this.dom.catcher.style;c.height=d(this.dom.button).outerHeight()+"px";c.width=d(this.dom.button).outerWidth()+"px";c.top=b.top+"px";c.left=g+
"px";document.body.appendChild(f);document.body.appendChild(e);document.body.appendChild(this.dom.catcher);if(this.s.sSize=="auto"){i=[];this.dom.collection.style.width="auto";b=0;for(c=this.dom.buttons.length;b<c;b++){this.dom.buttons[b].style.width="auto";i.push(d(this.dom.buttons[b]).outerWidth())}iMax=Math.max.apply(window,i);b=0;for(c=this.dom.buttons.length;b<c;b++)this.dom.buttons[b].style.width=iMax+"px";this.dom.collection.style.width=iMax+"px"}e.style.left=this.s.sAlign=="left"?g+"px":g-
d(e).outerWidth()+d(this.dom.button).outerWidth()+"px";b=d(e).outerWidth();d(e).outerHeight();if(g+b>h)e.style.left=h-b+"px";setTimeout(function(){d(e).animate({opacity:1},a.s.iOverlayFade);d(f).animate({opacity:0.1},a.s.iOverlayFade,"linear",function(){jQuery.browser.msie&&jQuery.browser.version=="6.0"&&a._fnDrawCallback()})},10);this.s.hidden=false},_fnCollectionHide:function(){var a=this;if(!this.s.hidden&&this.dom.collection!==null){this.s.hidden=true;d(this.dom.collection).animate({opacity:0},
a.s.iOverlayFade,function(){this.style.display="none"});d(this.dom.background).animate({opacity:0},a.s.iOverlayFade,function(){document.body.removeChild(a.dom.background);document.body.removeChild(a.dom.catcher)})}}};ColVis.fnRebuild=function(a){var b=null;if(typeof a!="undefined")b=a.fnSettings().nTable;for(var c=0,e=ColVis.aInstances.length;c<e;c++)if(typeof a=="undefined"||b==ColVis.aInstances[c].s.dt.nTable)ColVis.aInstances[c].fnRebuild()};ColVis.aInstances=[];ColVis.prototype.CLASS="ColVis";
ColVis.VERSION="1.0.5";ColVis.prototype.VERSION=ColVis.VERSION;typeof d.fn.dataTable=="function"&&typeof d.fn.dataTableExt.fnVersionCheck=="function"&&d.fn.dataTableExt.fnVersionCheck("1.7.0")?d.fn.dataTableExt.aoFeatures.push({fnInit:function(a){return(new ColVis(a,typeof a.oInit.oColVis=="undefined"?{}:a.oInit.oColVis)).dom.wrapper},cFeature:"C",sFeature:"ColVis"}):alert("Warning: ColVis requires DataTables 1.7 or greater - www.datatables.net/download")})(jQuery);