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Revision Autor Zeilennr. Zeile
776 lars 1
/***
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Wrapper/Helper Class for datagrid based on jQuery Datatable Plugin
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***/
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var Datatable = function() {
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    var tableOptions; // main options
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    var dataTable; // datatable object
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    var table; // actual table jquery object
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    var tableContainer; // actual table container object
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    var tableWrapper; // actual table wrapper jquery object
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    var tableInitialized = false;
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    var ajaxParams = {}; // set filter mode
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    var the;
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    var countSelectedRecords = function() {
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        var selected = $('tbody > tr > td:nth-child(1) input[type="checkbox"]:checked', table).size();
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        var text = tableOptions.dataTable.language.metronicGroupActions;
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        if (selected > 0) {
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            $('.table-group-actions > span', tableWrapper).text(text.replace("_TOTAL_", selected));
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        } else {
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            $('.table-group-actions > span', tableWrapper).text("");
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        }
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    };
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    return {
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        //main function to initiate the module
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        init: function(options) {
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            if (!$().dataTable) {
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                return;
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            }
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            the = this;
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            // default settings
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            options = $.extend(true, {
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                src: "", // actual table
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                filterApplyAction: "filter",
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                filterCancelAction: "filter_cancel",
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                resetGroupActionInputOnSuccess: true,
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                loadingMessage: 'Loading...',
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                dataTable: {
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                    "dom": "<'row'<'col-md-8 col-sm-12'pli><'col-md-4 col-sm-12'<'table-group-actions pull-right'>>r><'table-responsive't><'row'<'col-md-8 col-sm-12'pli><'col-md-4 col-sm-12'>>", // datatable layout
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                    "pageLength": 10, // default records per page
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                    "language": { // language settings
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                        // metronic spesific
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                        "metronicGroupActions": "_TOTAL_ records selected:  ",
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                        "metronicAjaxRequestGeneralError": "Could not complete request. Please check your internet connection",
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                        // data tables spesific
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                        "lengthMenu": "<span class='seperator'>|</span>View _MENU_ records",
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                        "info": "<span class='seperator'>|</span>Found total _TOTAL_ records",
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                        "infoEmpty": "No records found to show",
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                        "emptyTable": "No data available in table",
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                        "zeroRecords": "No matching records found",
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                        "paginate": {
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                            "previous": "Prev",
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                            "next": "Next",
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                            "last": "Last",
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                            "first": "First",
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                            "page": "Page",
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                            "pageOf": "of"
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                        }
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                    },
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                    "orderCellsTop": true,
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                    "columnDefs": [{ // define columns sorting options(by default all columns are sortable extept the first checkbox column)
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                        'orderable': false,
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                        'targets': [0]
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                    }],
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                    "pagingType": "bootstrap_extended", // pagination type(bootstrap, bootstrap_full_number or bootstrap_extended)
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                    "autoWidth": false, // disable fixed width and enable fluid table
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                    "processing": false, // enable/disable display message box on record load
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                    "serverSide": true, // enable/disable server side ajax loading
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                    "ajax": { // define ajax settings
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                        "url": "", // ajax URL
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                        "type": "POST", // request type
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                        "timeout": 20000,
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                        "data": function(data) { // add request parameters before submit
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                            $.each(ajaxParams, function(key, value) {
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                                data[key] = value;
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                            });
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                            App.blockUI({
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                                message: tableOptions.loadingMessage,
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                                target: tableContainer,
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                                overlayColor: 'none',
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                                cenrerY: true,
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                                boxed: true
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                            });
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                        },
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                        "dataSrc": function(res) { // Manipulate the data returned from the server
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                            if (res.customActionMessage) {
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                                App.alert({
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                                    type: (res.customActionStatus == 'OK' ? 'success' : 'danger'),
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                                    icon: (res.customActionStatus == 'OK' ? 'check' : 'warning'),
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                                    message: res.customActionMessage,
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                                    container: tableWrapper,
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                                    place: 'prepend'
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                                });
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                            }
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                            if (res.customActionStatus) {
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                                if (tableOptions.resetGroupActionInputOnSuccess) {
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                                    $('.table-group-action-input', tableWrapper).val("");
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                                }
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                            }
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                            if ($('.group-checkable', table).size() === 1) {
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                                $('.group-checkable', table).attr("checked", false);
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                            }
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                            if (tableOptions.onSuccess) {
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                                tableOptions.onSuccess.call(undefined, the, res);
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                            }
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                            App.unblockUI(tableContainer);
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                            return res.data;
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                        },
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                        "error": function() { // handle general connection errors
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                            if (tableOptions.onError) {
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                                tableOptions.onError.call(undefined, the);
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                            }
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                            App.alert({
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                                type: 'danger',
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                                icon: 'warning',
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                                message: tableOptions.dataTable.language.metronicAjaxRequestGeneralError,
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                                container: tableWrapper,
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                                place: 'prepend'
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                            });
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                            App.unblockUI(tableContainer);
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                        }
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                    },
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                    "drawCallback": function(oSettings) { // run some code on table redraw
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                        if (tableInitialized === false) { // check if table has been initialized
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                            tableInitialized = true; // set table initialized
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                            table.show(); // display table
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                        }
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                        countSelectedRecords(); // reset selected records indicator
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                        // callback for ajax data load
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                        if (tableOptions.onDataLoad) {
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                            tableOptions.onDataLoad.call(undefined, the);
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                        }
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                    }
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                }
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            }, options);
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            tableOptions = options;
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            // create table's jquery object
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            table = $(options.src);
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            tableContainer = table.parents(".table-container");
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            // apply the special class that used to restyle the default datatable
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            var tmp = $.fn.dataTableExt.oStdClasses;
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            $.fn.dataTableExt.oStdClasses.sWrapper = $.fn.dataTableExt.oStdClasses.sWrapper + " dataTables_extended_wrapper";
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            $.fn.dataTableExt.oStdClasses.sFilterInput = "form-control input-xs input-sm input-inline";
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            $.fn.dataTableExt.oStdClasses.sLengthSelect = "form-control input-xs input-sm input-inline";
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            // initialize a datatable
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            dataTable = table.DataTable(options.dataTable);
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            // revert back to default
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            $.fn.dataTableExt.oStdClasses.sWrapper = tmp.sWrapper;
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            $.fn.dataTableExt.oStdClasses.sFilterInput = tmp.sFilterInput;
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            $.fn.dataTableExt.oStdClasses.sLengthSelect = tmp.sLengthSelect;
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            // get table wrapper
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            tableWrapper = table.parents('.dataTables_wrapper');
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            // build table group actions panel
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            if ($('.table-actions-wrapper', tableContainer).size() === 1) {
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                $('.table-group-actions', tableWrapper).html($('.table-actions-wrapper', tableContainer).html()); // place the panel inside the wrapper
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                $('.table-actions-wrapper', tableContainer).remove(); // remove the template container
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            }
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            // handle group checkboxes check/uncheck
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            $('.group-checkable', table).change(function() {
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                var set = table.find('tbody > tr > td:nth-child(1) input[type="checkbox"]');
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                var checked = $(this).prop("checked");
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                $(set).each(function() {
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                    $(this).prop("checked", checked);
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                });
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                countSelectedRecords();
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            });
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            // handle row's checkbox click
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            table.on('change', 'tbody > tr > td:nth-child(1) input[type="checkbox"]', function() {
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                countSelectedRecords();
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            });
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            // handle filter submit button click
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            table.on('click', '.filter-submit', function(e) {
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                e.preventDefault();
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                the.submitFilter();
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            });
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            // handle filter cancel button click
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            table.on('click', '.filter-cancel', function(e) {
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                e.preventDefault();
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                the.resetFilter();
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            });
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        },
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        submitFilter: function() {
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            the.setAjaxParam("action", tableOptions.filterApplyAction);
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            // get all typeable inputs
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            $('textarea.form-filter, select.form-filter, input.form-filter:not([type="radio"],[type="checkbox"])', table).each(function() {
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                the.setAjaxParam($(this).attr("name"), $(this).val());
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            });
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            // get all checkboxes
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            $('input.form-filter[type="checkbox"]:checked', table).each(function() {
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                the.addAjaxParam($(this).attr("name"), $(this).val());
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            });
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            // get all radio buttons
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            $('input.form-filter[type="radio"]:checked', table).each(function() {
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                the.setAjaxParam($(this).attr("name"), $(this).val());
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            });
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            dataTable.ajax.reload();
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        },
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        resetFilter: function() {
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            $('textarea.form-filter, select.form-filter, input.form-filter', table).each(function() {
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                $(this).val("");
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            });
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            $('input.form-filter[type="checkbox"]', table).each(function() {
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                $(this).attr("checked", false);
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            });
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            the.clearAjaxParams();
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            the.addAjaxParam("action", tableOptions.filterCancelAction);
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            dataTable.ajax.reload();
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        },
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        getSelectedRowsCount: function() {
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            return $('tbody > tr > td:nth-child(1) input[type="checkbox"]:checked', table).size();
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        },
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        getSelectedRows: function() {
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            var rows = [];
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            $('tbody > tr > td:nth-child(1) input[type="checkbox"]:checked', table).each(function() {
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                rows.push($(this).val());
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            });
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            return rows;
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        },
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        setAjaxParam: function(name, value) {
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            ajaxParams[name] = value;
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        },
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        addAjaxParam: function(name, value) {
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            if (!ajaxParams[name]) {
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                ajaxParams[name] = [];
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            }
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            skip = false;
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            for (var i = 0; i < (ajaxParams[name]).length; i++) { // check for duplicates
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                if (ajaxParams[name][i] === value) {
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                    skip = true;
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                }
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            }
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            if (skip === false) {
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                ajaxParams[name].push(value);
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            }
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        },
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        clearAjaxParams: function(name, value) {
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            ajaxParams = {};
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        },
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        getDataTable: function() {
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            return dataTable;
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        },
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        getTableWrapper: function() {
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            return tableWrapper;
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        },
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        gettableContainer: function() {
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            return tableContainer;
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        },
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        getTable: function() {
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            return table;
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        }
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    };
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};