void clientLogic_ClientLogicUI(object sender, ClientLogicUIEventArgs e)
{
if (this.Dispatcher.CheckAccess())
{
if (e.UIRequest == ClientLogicUIRequest.EventPackageRefreshComplete)
{
listViewEvents.Items.Refresh();
}
else if (e.UIRequest == ClientLogicUIRequest.EventPackageListReady)
{
UpdateState();
// if we just sorted then apply the relevant adorner
if ((_lastSortColumn != null) && (_nextSortAdorner != null))
{
AdornerLayer.GetAdornerLayer(_lastSortColumn).Add(_nextSortAdorner);
_lastSortAdorner = _nextSortAdorner;
_nextSortAdorner = null;
}
}
}
else
{
this.Dispatcher.BeginInvoke(new Action <object, ClientLogicUIEventArgs>(clientLogic_ClientLogicUI), sender, e);
}
}
private void SortColumnCore(GridViewColumnHeader header, ListSortDirection direction)
{
// get the binding path for the column associated with the clicked header
string bindingPath;
if (header.Column.DisplayMemberBinding == null)
{
// if DisplayMemberBinding is not set then the path should be the tag for the column
bindingPath = header.Tag as string;
}
else
{
// id DisplayMemberBinding is set then get the binding path
Binding columnBinding = header.Column.DisplayMemberBinding as Binding;
Debug.Assert(columnBinding != null);
bindingPath = columnBinding.Path.Path;
}
ICollectionView dataView = CollectionViewSource.GetDefaultView(_listView.ItemsSource);
if (dataView != null)
{
using (dataView.DeferRefresh())
{
dataView.SortDescriptions.Clear();
dataView.SortDescriptions.Add(new SortDescription(bindingPath, direction));
ApplyRemainingDefaults(ref dataView, bindingPath);
}
}
if ((_lastHeaderClicked != null) && (_currentAdorner != null))
{
AdornerLayer.GetAdornerLayer(_lastHeaderClicked).Remove(_currentAdorner);
}
_currentAdorner = new SortDirectionAdorner(header, direction);
AdornerLayer.GetAdornerLayer(header).Add(_currentAdorner);
_lastHeaderClicked = header;
_lastDirection = direction;
}
private void listViewEventsHeader_Click(object sender, RoutedEventArgs e)
{
GridViewColumnHeader header = e.OriginalSource as GridViewColumnHeader;
if (header != null)
{
// can only sort columns with an associated tag
string tagName = header.Tag as string;
if (!string.IsNullOrEmpty(tagName))
{
// remove previous sort adorner
if ((_lastSortColumn != null) && (_lastSortAdorner != null))
{
AdornerLayer.GetAdornerLayer(_lastSortColumn).Remove(_lastSortAdorner);
}
_lastSortAdorner = null;
ListSortDirection direction = ListSortDirection.Descending;
if (header == _lastSortColumn)
{
if (_lastSortDirection == ListSortDirection.Ascending)
{
direction = ListSortDirection.Descending;
}
else
{
direction = ListSortDirection.Ascending;
}
}
// to be applied after the event packages are fetched
_nextSortAdorner = new SortDirectionAdorner(header, direction);
_lastSortDirection = direction;
_lastSortColumn = header;
StackHashSortOrder sortOrder = new StackHashSortOrder();
sortOrder.Ascending = (direction == ListSortDirection.Ascending);
sortOrder.FieldName = tagName;
switch (tagName)
{
case "Id":
case "TotalHits":
case "CabCount":
case "BugId":
case "PlugInBugId":
case "EventTypeName":
case "DateCreatedLocal":
case "DateModifiedLocal":
case "WorkFlowStatusName":
// these fields are from the event
sortOrder.ObjectType = StackHashObjectType.Event;
break;
default:
// all other tags are from the event signature
sortOrder.ObjectType = StackHashObjectType.EventSignature;
break;
}
StackHashSortOrderCollection sort = new StackHashSortOrderCollection();
sort.Add(sortOrder);
ClientLogic clientLogic = this.DataContext as ClientLogic;
Debug.Assert(clientLogic != null);
// run the sort, returning to the first page
clientLogic.PopulateEventPackages(clientLogic.CurrentProduct,
clientLogic.LastEventsSearch,
sort,
1,
UserSettings.Settings.EventPageSize,
clientLogic.CurrentProduct == null ?
UserSettings.Settings.GetDisplayHitThreshold(UserSettings.InvalidContextId) :
UserSettings.Settings.GetDisplayHitThreshold(clientLogic.CurrentProduct.Id),
ClientLogicView.EventList,
PageIntention.First,
UserSettings.Settings.ShowEventsWithoutCabs);
}
}
}
