/* Set the defaults for DataTables initialisation */
$.extend(true, $.fn.dataTable.defaults, {
    "sDom": "<'row'<'col-sm-6'l><'col-sm-6'f>r>t<'row'<'col-sm-6'i><'col-sm-6'p>>",
    "sPaginationType": "bootstrap",
    "oLanguage": {
        "sLengthMenu": "_MENU_",
        "sSearch" : ""
    }
});

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


/* 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('pull-right');
            $(nPaging).addClass('pagination').append(
                    '<ul class="pagination pull-right">' +
                    '<li class="prev disabled"><a href="#">&larr; ' + oLang.sPrevious + '</a></li>' +
                    '<li class="next disabled"><a href="#">' + oLang.sNext + ' &rarr; </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');
                }
            }
            $('div.dataTables_length select').addClass('form-control');
            $('div.dataTables_filter input').addClass('form-control');
        }
    }
});


/*
 * 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"
        }
    });
}


/* Table initialisation */
//$(document).ready(function() {
//    $('#example').dataTable({
//        "sDom": "<'pull-right'l>t<'row-fluid'<'span6'f><'span6'p>>",
//        "sPaginationType": "bootstrap",
//        "oLanguage": {
//            "sLengthMenu": "Show _MENU_ entries"
//        }
//    });
//});