/* Set the defaults for DataTables initialisation */

$.extend(true, $.fn.dataTable.defaults, {

    "dom": "<'row'<'col-md-6 col-sm-6'l><'col-md-6 col-sm-6'f>r><'table-scrollable't><'row'<'col-md-5 col-sm-5'i><'col-md-7 col-sm-7'p>>", // default layout with horizobtal scrollable datatable

    //"dom": "<'row'<'col-md-6 col-sm-12'l><'col-md-6 col-sm-12'f>r>t<'row'<'col-md-5 col-sm-12'i><'col-md-7 col-sm-12'p>>", // datatable layout without  horizobtal scroll(used when bootstrap dropdowns used in the datatable cells)

    "language": {

        "lengthMenu": " _MENU_ records ",

        "paginate": {

            "previous": 'Prev',

            "next": 'Next',

            "page": "Page",

            "pageOf": "of"

        }

    },

    "pagingType": "bootstrap_number"

});



/* Default class modification */

$.extend($.fn.dataTableExt.oStdClasses, {

    "sWrapper": "dataTables_wrapper",

    "sFilterInput": "form-control input-sm input-small input-inline",

    "sLengthSelect": "form-control input-sm input-xsmall input-inline"

});



// In 1.10 we use the pagination renderers to draw the Bootstrap paging,

// rather than  custom plug-in

$.fn.dataTable.defaults.renderer = 'bootstrap';

$.fn.dataTable.ext.renderer.pageButton.bootstrap = function (settings, host, idx, buttons, page, pages) {

    var api = new $.fn.dataTable.Api(settings);

    var classes = settings.oClasses;

    var lang = settings.oLanguage.oPaginate;

    var btnDisplay, btnClass;



    var attach = function (container, buttons) {

        var i, ien, node, button;

        var clickHandler = function (e) {

            e.preventDefault();

            if (e.data.action !== 'ellipsis') {

                api.page(e.data.action).draw(false);

            }

        };



        for (i = 0, ien = buttons.length; i < ien; i++) {

            button = buttons[i];



            if ($.isArray(button)) {

                attach(container, button);

            } else {

                btnDisplay = '';

                btnClass = '';



                switch (button) {

                case 'ellipsis':

                    btnDisplay = '&hellip;';

                    btnClass = 'disabled';

                    break;



                case 'first':

                    btnDisplay = lang.sFirst;

                    btnClass = button + (page > 0 ?

                        '' : ' disabled');

                    break;



                case 'previous':

                    btnDisplay = lang.sPrevious;

                    btnClass = button + (page > 0 ?

                        '' : ' disabled');

                    break;



                case 'next':

                    btnDisplay = lang.sNext;

                    btnClass = button + (page < pages - 1 ?

                        '' : ' disabled');

                    break;



                case 'last':

                    btnDisplay = lang.sLast;

                    btnClass = button + (page < pages - 1 ?

                        '' : ' disabled');

                    break;



                default:

                    btnDisplay = button + 1;

                    btnClass = page === button ?

                        'active' : '';

                    break;

                }



                if (btnDisplay) {

                    node = $('<li>', {

                        'class': classes.sPageButton + ' ' + btnClass,

                        'aria-controls': settings.sTableId,

                        'tabindex': settings.iTabIndex,

                        'id': idx === 0 && typeof button === 'string' ?

                            settings.sTableId + '_' + button : null

                    })

                        .append($('<a>', {

                                'href': '#'

                            })

                            .html(btnDisplay)

                    )

                        .appendTo(container);



                    settings.oApi._fnBindAction(

                        node, {

                            action: button

                        }, clickHandler

                    );

                }

            }

        }

    };



    attach(

        $(host).empty().html('<ul class="pagination"/>').children('ul'),

        buttons

    );

}



/***

Custom Pagination

***/



/* 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": oSettings._iDisplayLength === -1 ?

            0 : Math.ceil(oSettings._iDisplayStart / oSettings._iDisplayLength),

        "iTotalPages": oSettings._iDisplayLength === -1 ?

            0 : Math.ceil(oSettings.fnRecordsDisplay() / oSettings._iDisplayLength)

    };

};



/* Bootstrap style full number pagination control */

$.extend($.fn.dataTableExt.oPagination, {

    "bootstrap_full_number": {

        "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).append(

                '<ul class="pagination">' +

                '<li class="prev disabled"><a href="#" title="' + oLang.sFirst + '"><i class="fa fa-angle-double-left"></i></a></li>' +

                '<li class="prev disabled"><a href="#" title="' + oLang.sPrevious + '"><i class="fa fa-angle-left"></i></a></li>' +

                '<li class="next disabled"><a href="#" title="' + oLang.sNext + '"><i class="fa fa-angle-right"></i></a></li>' +

                '<li class="next disabled"><a href="#" title="' + oLang.sLast + '"><i class="fa fa-angle-double-right"></i></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++) {

                if (oPaging.iTotalPages <= 0) {

                    $('.pagination', an[i]).css('visibility', 'hidden');

                } else {

                    $('.pagination', an[i]).css('visibility', 'visible');

                }



                // Remove the middle elements

                $('li:gt(1)', an[i]).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:first', 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.prev', an[i]).addClass('disabled');

                } else {

                    $('li.prev', an[i]).removeClass('disabled');

                }



                if (oPaging.iPage === oPaging.iTotalPages - 1 || oPaging.iTotalPages === 0) {

                    $('li.next', an[i]).addClass('disabled');

                } else {

                    $('li.next', an[i]).removeClass('disabled');

                }

            }

        }

    }

});



$.extend($.fn.dataTableExt.oPagination, {

    "bootstrap_number": {

        "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).append(

                '<ul class="pagination">' +

                '<li class="prev disabled"><a href="#" title="' + oLang.sPrevious + '"><i class="fa fa-angle-left"></i></a></li>' +

                '<li class="next disabled"><a href="#" title="' + oLang.sNext + '"><i class="fa fa-angle-right"></i></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++) {

                if (oPaging.iTotalPages <= 0) {

                    $('.pagination', an[i]).css('visibility', 'hidden');

                } else {

                    $('.pagination', an[i]).css('visibility', 'visible');

                }



                // Remove the middle elements

                $('li:gt(0)', an[i]).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:first', 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.prev', an[i]).addClass('disabled');

                } else {

                    $('li.prev', an[i]).removeClass('disabled');

                }



                if (oPaging.iPage === oPaging.iTotalPages - 1 || oPaging.iTotalPages === 0) {

                    $('li.next', an[i]).addClass('disabled');

                } else {

                    $('li.next', an[i]).removeClass('disabled');

                }

            }

        }

    }

});





/* Bootstrap style full number pagination control */

$.extend($.fn.dataTableExt.oPagination, {

    "bootstrap_extended": {

        "fnInit": function (oSettings, nPaging, fnDraw) {

            var oLang = oSettings.oLanguage.oPaginate;

            var oPaging = oSettings.oInstance.fnPagingInfo();



            var fnClickHandler = function (e) {

                e.preventDefault();

                if (oSettings.oApi._fnPageChange(oSettings, e.data.action)) {

                    fnDraw(oSettings);

                }

            };



            $(nPaging).append(

                '<div class="pagination-panel"> ' + (oLang.page ? oLang.page : '') + ' ' +

                '<a href="#" class="btn btn-sm default prev disabled"><i class="fa fa-angle-left"></i></a>' +

                '<input type="text" class="pagination-panel-input form-control input-sm input-inline input-mini" maxlenght="5" style="text-align:center; margin: 0 5px;">' +

                '<a href="#" class="btn btn-sm default next disabled"><i class="fa fa-angle-right"></i></a> ' +

                (oLang.pageOf ? oLang.pageOf + ' <span class="pagination-panel-total"></span>': '') + 

                '</div>'

            );



            var els = $('a', nPaging);



            $(els[0]).bind('click.DT', {

                action: "previous"

            }, fnClickHandler);

            $(els[1]).bind('click.DT', {

                action: "next"

            }, fnClickHandler);



            $('.pagination-panel-input', nPaging).bind('change.DT', function (e) {

                var oPaging = oSettings.oInstance.fnPagingInfo();

                e.preventDefault();

                var page = parseInt($(this).val());

                if (page > 0 && page <= oPaging.iTotalPages) {

                    if (oSettings.oApi._fnPageChange(oSettings, page - 1)) {

                        fnDraw(oSettings);

                    }

                } else {

                    $(this).val(oPaging.iPage + 1);

                }

            });



            $('.pagination-panel-input', nPaging).bind('keypress.DT', function (e) {

                var oPaging = oSettings.oInstance.fnPagingInfo();

                if (e.which == 13) {

                    var page = parseInt($(this).val());

                    if (page > 0 && page <= oSettings.oInstance.fnPagingInfo().iTotalPages) {

                        if (oSettings.oApi._fnPageChange(oSettings, page - 1)) {

                            fnDraw(oSettings);

                        }

                    } else {

                        $(this).val(oPaging.iPage + 1);

                    }

                    e.preventDefault();

                }

            });

        },



        "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++) {

                var wrapper = $(an[i]).parents(".dataTables_wrapper");



                if (oPaging.iTotal <= 0) {

                    $('.dataTables_paginate, .dataTables_length', wrapper).hide();

                } else {

                    $('.dataTables_paginate, .dataTables_length', wrapper).show();

                }



                if (oPaging.iTotalPages <= 0) {

                    $('.dataTables_paginate, .dataTables_length .seperator', wrapper).hide();

                } else {

                    $('.dataTables_paginate, .dataTables_length .seperator', wrapper).show();

                }



                $('.pagination-panel-total', an[i]).html(oPaging.iTotalPages);

                $('.pagination-panel-input', an[i]).val(oPaging.iPage + 1);



                // Remove the middle elements

                $('li:gt(1)', an[i]).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:first', 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) {

                    $('a.prev', an[i]).addClass('disabled');

                } else {

                    $('a.prev', an[i]).removeClass('disabled');

                }



                if (oPaging.iPage === oPaging.iTotalPages - 1 || oPaging.iTotalPages === 0) {

                    $('a.next', an[i]).addClass('disabled');

                } else {

                    $('a.next', an[i]).removeClass('disabled');

                }

            }

        }

    }

});