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Bootstrap Server Side Sorting Cont....


On my previous post I had already mentioned about how to apply the sort to Bootstrap paginated tables. By making the following changes server side sorting can be achieved along with pagination.

On Filter Model

self.sortBy = ko.observable('Id');//Default sort Column
self.sortAscending = ko.observable(false);
self.iconType = ko.observable('glyphicon glyphicon-chevron-down'); // Icon to appear near Column


No Changes to Adarsh Log Model or Adarsh Log list Model


Knockout.js View Model for Adarsh Log Changes

Add the sortTable  method to it

self.sortTable = function (viewModel, e) {
            var columClicked = $(e.target).attr("data-column")
            var sortAscending = (self.filter().sortAscending() === true) ? false : true;
            self.filter().sortAscending(sortAscending);
            self.filter().sortBy(columClicked);
          
            datacontext.getAllPost(self.adarshLogListModel, config.adarshLogUrl, model.adarshLogListModel, self.filter).always(function () {
                var list = [];
                if (self.filter().currentPageIndex() <= 0) {
                    self.filter().enablePrev(false);
                }
                self.adarshLogListModel().adarshLogList().forEach(function (item) {
                    var newRecord = new model.adarshLog();
                    ko.mapping.fromJS(item, {}, newRecord); 
                    list.push(newRecord);
                });
                self.adarshLogs(list);
                // var newFilter = model.filter;
                ko.mapping.fromJS(self.adarshLogListModel().filterModel(), {}, self.filter());
                //(newFilter);
                self.individualPageList(self.adarshLogListModel().filterModel().individualPageList());
                if (self.filter().currentPageIndex() <= 1) {
                    self.filter().enablePrev(false);
                }
                if (self.filter().currentPageIndex() >= self.filter().totalPageCount()) {
                    self.filter().enableNext(false);
                }
                self.isBusy(false);
                self.filter().iconType((sortAscending === false) ? "glyphicon glyphicon-chevron-down" : "glyphicon glyphicon-chevron-up");
            });
        }


Filter.CS C#Model Changes

Add Following Properties

  public string SortBy { get; set; }
  public bool SortAscending { get; set; }

No Changes to Get All WebApi Controller Method

GetAll Repository Change


Before applying the pagination, add the sorting
switch (filter.SortBy)
                    {
                        case "Id":
                            if(filter.SortAscending)
                                adarshLogList = adarshLogList.OrderBy(a => a.Id);
                            else
                                adarshLogList = adarshLogList.OrderByDescending(a => a.Id);
                            break;
                        case "Name":
                            if (filter.SortAscending)
                                adarshLogList = adarshLogList.OrderBy(a => a.Name);
                            else
                                adarshLogList = adarshLogList.OrderByDescending(a => a.Name);
                            break;
                    }



Changes in View List View


<table class="table table-striped" id="tbUsers">
   
    <thead>
        <tr data-bind="click: $root.sortTable" class="pointerControl">
            <th data-column="Id">
                Id
                <span data-bind="attr: { class: sortBy() == 'Id' ? 'isVisible' : 'isHidden' }">
                    <i data-bind="attr: { class: iconType() }"></i>
                </span>
            </th>
            <th data-column="Name">Name
                <span data-bind="attr: { class: sortBy() == 'Name' ? 'isVisible' : 'isHidden' }">
                    <i data-bind="attr: { class: iconType() }"></i>
                </span>
            </th>
            <th class="col-sm-1"></th>
        </tr>
    </thead>
   
    <tbody data-bind="foreach: adarshLogs">
        <tr>
            <td data-bind="text: id"></td>
            <td data-bind="text: name"></td>
            <td class="col-sm-1">
                <a data-bind="attr: { href: '@Url.Action("Edit", "AdarshLog")' + '/' + Id () }" title="View"><span class="glyphicon glyphicon-pencil"></span></a>
            </td>
        </tr>
    </tbody>
</table>

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