source: public/vendors/dataTable/DataTables-1.10.20/js/dataTables.bootstrap4.js@ 7043def

/*! DataTables Bootstrap 4 integration
 * ©2011-2017 SpryMedia Ltd - datatables.net/license
 */

/**
 * DataTables integration for Bootstrap 4. This requires Bootstrap 4 and
 * DataTables 1.10 or newer.
 *
 * This file sets the defaults and adds options to DataTables to style its
 * controls using Bootstrap. See http://datatables.net/manual/styling/bootstrap
 * for further information.
 */
(function( factory ){
        if ( typeof define === 'function' && define.amd ) {
                // AMD
                define( ['jquery', 'datatables.net'], function ( $ ) {
                        return factory( $, window, document );
                } );
        }
        else if ( typeof exports === 'object' ) {
                // CommonJS
                module.exports = function (root, $) {
                        if ( ! root ) {
                                root = window;
                        }

                        if ( ! $ || ! $.fn.dataTable ) {
                                // Require DataTables, which attaches to jQuery, including
                                // jQuery if needed and have a $ property so we can access the
                                // jQuery object that is used
                                $ = require('datatables.net')(root, $).$;
                        }

                        return factory( $, root, root.document );
                };
        }
        else {
                // Browser
                factory( jQuery, window, document );
        }
}(function( $, window, document, undefined ) {
'use strict';
var DataTable = $.fn.dataTable;


/* Set the defaults for DataTables initialisation */
$.extend( true, DataTable.defaults, {
        dom:
                "<'row'<'col-sm-12 col-md-6'l><'col-sm-12 col-md-6'f>>" +
                "<'row'<'col-sm-12'tr>>" +
                "<'row'<'col-sm-12 col-md-5'i><'col-sm-12 col-md-7'p>>",
        renderer: 'bootstrap'
} );


/* Default class modification */
$.extend( DataTable.ext.classes, {
        sWrapper:      "dataTables_wrapper dt-bootstrap4",
        sFilterInput:  "form-control form-control-sm",
        sLengthSelect: "custom-select custom-select-sm form-control form-control-sm",
        sProcessing:   "dataTables_processing card",
        sPageButton:   "paginate_button page-item"
} );


/* Bootstrap paging button renderer */
DataTable.ext.renderer.pageButton.bootstrap = function ( settings, host, idx, buttons, page, pages ) {
        var api     = new DataTable.Api( settings );
        var classes = settings.oClasses;
        var lang    = settings.oLanguage.oPaginate;
        var aria = settings.oLanguage.oAria.paginate || {};
        var btnDisplay, btnClass, counter=0;

        var attach = function( container, buttons ) {
                var i, ien, node, button;
                var clickHandler = function ( e ) {
                        e.preventDefault();
                        if ( !$(e.currentTarget).hasClass('disabled') && api.page() != e.data.action ) {
                                api.page( e.data.action ).draw( 'page' );
                        }
                };

                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 = '&#x2026;';
                                                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,
                                                        'id': idx === 0 && typeof button === 'string' ?
                                                                settings.sTableId +'_'+ button :
                                                                null
                                                } )
                                                .append( $('<a>', {
                                                                'href': '#',
                                                                'aria-controls': settings.sTableId,
                                                                'aria-label': aria[ button ],
                                                                'data-dt-idx': counter,
                                                                'tabindex': settings.iTabIndex,
                                                                'class': 'page-link'
                                                        } )
                                                        .html( btnDisplay )
                                                )
                                                .appendTo( container );

                                        settings.oApi._fnBindAction(
                                                node, {action: button}, clickHandler
                                        );

                                        counter++;
                                }
                        }
                }
        };

        // IE9 throws an 'unknown error' if document.activeElement is used
        // inside an iframe or frame. 
        var activeEl;

        try {
                // Because this approach is destroying and recreating the paging
                // elements, focus is lost on the select button which is bad for
                // accessibility. So we want to restore focus once the draw has
                // completed
                activeEl = $(host).find(document.activeElement).data('dt-idx');
        }
        catch (e) {}

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

        if ( activeEl !== undefined ) {
                $(host).find( '[data-dt-idx='+activeEl+']' ).focus();
        }
};


return DataTable;
}));