/* Set the defaults for DataTables initialisation */
$.extend( true, $.fn.dataTable.defaults, {
	"sDom": "<'dt-top-row'lf>r<'dt-wrapper't><'dt-row dt-bottom-row'ip>",
	"sPaginationType": "bootstrap",
	"oLanguage": {
		"sLengthMenu": "_MENU_",
		"sSearch": "_INPUT_"
	}
} );


/* Default class modification */
$.extend( $.fn.dataTableExt.oStdClasses, {
	"sWrapper": "dataTables_wrapper form-inline"
} );


/* API method to get paging information */
$.fn.dataTableExt.oApi.fnPagingInfo = function ( oSettings )
{
	return {
		"iStart":         oSettings._iDisplayStart,
		"iEnd":           oSettings.fnDisplayEnd(),
		"iLength":        oSettings._iDisplayLength,
		"iTotal":         oSettings.fnRecordsTotal(),
		"iFilteredTotal": oSettings.fnRecordsDisplay(),
		"iPage":          Math.ceil( oSettings._iDisplayStart / oSettings._iDisplayLength ),
		"iTotalPages":    Math.ceil( oSettings.fnRecordsDisplay() / oSettings._iDisplayLength )
	};
};


/* Bootstrap style pagination control */
$.extend( $.fn.dataTableExt.oPagination, {
	"bootstrap": {
		"fnInit": function( oSettings, nPaging, fnDraw ) {
			var oLang = oSettings.oLanguage.oPaginate;
			var fnClickHandler = function ( e ) {
				e.preventDefault();
				if ( oSettings.oApi._fnPageChange(oSettings, e.data.action) ) {
					fnDraw( oSettings );
				}
			};

			$(nPaging).addClass('pagination').append(
				'<ul>'+
					'<li class="prev disabled"><a href="#">'+oLang.sPrevious+'</a></li>'+
					'<li class="next disabled"><a href="#">'+oLang.sNext+'</a></li>'+
				'</ul>'
			);
			var els = $('a', nPaging);
			$(els[0]).bind( 'click.DT', { action: "previous" }, fnClickHandler );
			$(els[1]).bind( 'click.DT', { action: "next" }, fnClickHandler );
		},

		"fnUpdate": function ( oSettings, fnDraw ) {
			var iListLength = 5;
			var oPaging = oSettings.oInstance.fnPagingInfo();
			var an = oSettings.aanFeatures.p;
			var i, j, sClass, iStart, iEnd, iHalf=Math.floor(iListLength/2);

			if ( oPaging.iTotalPages < iListLength) {
				iStart = 1;
				iEnd = oPaging.iTotalPages;
			}
			else if ( oPaging.iPage <= iHalf ) {
				iStart = 1;
				iEnd = iListLength;
			} else if ( oPaging.iPage >= (oPaging.iTotalPages-iHalf) ) {
				iStart = oPaging.iTotalPages - iListLength + 1;
				iEnd = oPaging.iTotalPages;
			} else {
				iStart = oPaging.iPage - iHalf + 1;
				iEnd = iStart + iListLength - 1;
			}

			for ( i=0, iLen=an.length ; i<iLen ; i++ ) {
				// Remove the middle elements
				$('li:gt(0)', an[i]).filter(':not(:last)').remove();

				// Add the new list items and their event handlers
				for ( j=iStart ; j<=iEnd ; j++ ) {
					sClass = (j==oPaging.iPage+1) ? 'class="active"' : '';
					$('<li '+sClass+'><a href="#">'+j+'</a></li>')
						.insertBefore( $('li:last', an[i])[0] )
						.bind('click', function (e) {
							e.preventDefault();
							oSettings._iDisplayStart = (parseInt($('a', this).text(),10)-1) * oPaging.iLength;
							fnDraw( oSettings );
						} );
				}

				// Add / remove disabled classes from the static elements
				if ( oPaging.iPage === 0 ) {
					$('li:first', an[i]).addClass('disabled');
				} else {
					$('li:first', an[i]).removeClass('disabled');
				}

				if ( oPaging.iPage === oPaging.iTotalPages-1 || oPaging.iTotalPages === 0 ) {
					$('li:last', an[i]).addClass('disabled');
				} else {
					$('li:last', an[i]).removeClass('disabled');
				}
			}
		}
	}
} );

/* Bootstrap style pagination control */
$.extend( $.fn.dataTableExt.oPagination, {
	"bootstrap_full": {
		"fnInit": function( oSettings, nPaging, fnDraw ) {
			var oLang = oSettings.oLanguage.oPaginate;
			var fnClickHandler = function ( e ) {
				e.preventDefault();
				if ( oSettings.oApi._fnPageChange(oSettings, e.data.action) ) {
					fnDraw( oSettings );
				}
			};

			$(nPaging).addClass('pagination').append(
				'<ul>'+
					'<li class="first disabled"><a href="#">'+oLang.sFirst+'</a></li>'+
					'<li class="prev disabled"><a href="#">'+oLang.sPrevious+'</a></li>'+
					'<li class="next disabled"><a href="#">'+oLang.sNext+'</a></li>'+
					'<li class="last disabled"><a href="#">'+oLang.sLast+'</a></li>'+
				'</ul>'
			);
			var els = $('a', nPaging);
			$(els[0]).bind( 'click.DT', { action: "first" }, fnClickHandler );
			$(els[1]).bind( 'click.DT', { action: "previous" }, fnClickHandler );
			$(els[2]).bind( 'click.DT', { action: "next" }, fnClickHandler );
			$(els[3]).bind( 'click.DT', { action: "last" }, fnClickHandler );
		},

		"fnUpdate": function ( oSettings, fnDraw ) {
			var iListLength = 5;
			var oPaging = oSettings.oInstance.fnPagingInfo();
			var an = oSettings.aanFeatures.p;
			var i, j, sClass, iStart, iEnd, iHalf=Math.floor(iListLength/2);

			if ( oPaging.iTotalPages < iListLength) {
				iStart = 1;
				iEnd = oPaging.iTotalPages;
			}
			else if ( oPaging.iPage <= iHalf ) {
				iStart = 1;
				iEnd = iListLength;
			} else if ( oPaging.iPage >= (oPaging.iTotalPages-iHalf) ) {
				iStart = oPaging.iTotalPages - iListLength + 1;
				iEnd = oPaging.iTotalPages;
			} else {
				iStart = oPaging.iPage - iHalf + 1;
				iEnd = iStart + iListLength - 1;
			}

			for ( i=0, iLen=an.length ; i<iLen ; i++ ) {
				// Remove the middle elements
				$('li', an[i]).filter(":not(.first)").filter(":not(.last)").filter(":not(.prev)").filter(":not(.next)").remove();

				// Add the new list items and their event handlers
				for ( j=iStart ; j<=iEnd ; j++ ) {
					sClass = (j==oPaging.iPage+1) ? 'class="active"' : '';
					$('<li '+sClass+'><a href="#">'+j+'</a></li>')
						.insertBefore( $('li.next', an[i])[0] )
						.bind('click', function (e) {
							e.preventDefault();
							oSettings._iDisplayStart = (parseInt($('a', this).text(),10)-1) * oPaging.iLength;
							fnDraw( oSettings );
						} );
				}

				// Add / remove disabled classes from the static elements
				if ( oPaging.iPage === 0 ) {
					$('li.first', an[i]).addClass('disabled');
					$('li.prev', an[i]).addClass('disabled');
				} else {
					$('li.prev', an[i]).removeClass('disabled');
					$('li.first', an[i]).removeClass('disabled');
				}

				if ( oPaging.iPage === oPaging.iTotalPages-1 || oPaging.iTotalPages === 0 ) {
					$('li.last', an[i]).addClass('disabled');
					$('li.next', an[i]).addClass('disabled');
				} else {
					$('li.next', an[i]).removeClass('disabled');
					$('li.last', an[i]).removeClass('disabled');
				}
			}
		}
	}
} );


/*
 * TableTools Bootstrap compatibility
 * Required TableTools 2.1+
 */
if ( $.fn.DataTable.TableTools ) {
	// Set the classes that TableTools uses to something suitable for Bootstrap
	$.extend( true, $.fn.DataTable.TableTools.classes, {
		"container": "DTTT btn-group",
		"buttons": {
			"normal": "btn",
			"disabled": "disabled"
		},
		"collection": {
			"container": "DTTT_dropdown dropdown-menu",
			"buttons": {
				"normal": "",
				"disabled": "disabled"
			}
		},
		"print": {
			"info": "DTTT_print_info modal"
		},
		"select": {
			"row": "active"
		}
	} );

	// Have the collection use a bootstrap compatible dropdown
	$.extend( true, $.fn.DataTable.TableTools.DEFAULTS.oTags, {
		"collection": {
			"container": "ul",
			"button": "li",
			"liner": "a"
		}
	} );
}

$.extend($.fn.dataTableExt.oPagination,{bootstrap_alt:{fnInit:function(d,e,b){var c=d.oLanguage.oPaginate,a=function(a){a.preventDefault();d.oApi._fnPageChange(d,a.data.action)&&b(d)};$(e).addClass("pagination").append('<ul><li class="first disabled"><a href="#">&lt;&lt; '+c.sFirst+'</a></li><li class="prev disabled"><a href="#">&lt; '+c.sPrevious+'</a></li><li class="next disabled"><a href="#">'+c.sNext+' &gt;</a></li><li class="last disabled"><a href="#">'+c.sLast+" &gt;&gt;</a></li></ul>");e=$("a", e);$(e[0]).bind("click.DT",{action:"first"},a);$(e[1]).bind("click.DT",{action:"previous"},a);$(e[2]).bind("click.DT",{action:"next"},a);$(e[3]).bind("click.DT",{action:"last"},a)},fnUpdate:function(d,e){var b=d.oInstance.fnPagingInfo(),c=d.aanFeatures.p,a,g,i,f,h;a=Math.floor(2.5);5>b.iTotalPages?(f=1,h=b.iTotalPages):b.iPage<=a?(f=1,h=5):b.iPage>=b.iTotalPages-a?(f=b.iTotalPages-5+1,h=b.iTotalPages):(f=b.iPage-a+1,h=f+5-1);a=0;for(iLen=c.length;a<iLen;a++){$("li",c[a]).filter(":not(.first)").filter(":not(.last)").filter(":not(.prev)").filter(":not(.next)").remove(); var j=$(c[a]).find(".next");for(g=f;g<=h;g++)i=g==b.iPage+1?'class="active"':"",$("<li "+i+'><a href="#">'+g+"</a></li>").insertBefore(j).bind("click",function(a){a.preventDefault();d._iDisplayStart=(parseInt($("a",this).text(),10)-1)*b.iLength;e(d)});0===b.iPage?($("li.first",c[a]).addClass("disabled"),$("li.prev",c[a]).addClass("disabled")):($("li.first",c[a]).removeClass("disabled"),$("li.prev",c[a]).removeClass("disabled"));b.iPage===b.iTotalPages-1||0===b.iTotalPages?($("li.next",c[a]).addClass("disabled"), $("li.last",c[a]).addClass("disabled")):($("li.next",c[a]).removeClass("disabled"),$("li.last",c[a]).removeClass("disabled"))}}}});