/// <summary>
/// Signal the clerk to change its filter to the user selected value.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void FilterChangedHandler(object sender, FilterChangeEventArgs args)
{
// If we're in the process of notifying clients that the clerk has changed
// the filter, we don't need to tell the clerk to change the filter (again)!
if (m_fHandlingFilterChangedByClerk)
{
return;
}
Clerk.OnChangeFilter(args);
}
protected override void SetupDataContext()
{
base.SetupDataContext();
// Make sure our persisted sorter/filters are up to date so browse viewer
// has the latest set for configuring/activating the filterBar
bool fNeedReload = Clerk.UpdateFiltersAndSortersIfNeeded();
// This is mainly to handle the possibility that one of our objects in a virtual
// property has been deleted, either by some other tool, or by another client altogether.
// Enhance: it would be very nice not to do this any time we can be sure it isn't needed.
// The second 'true' here is to make it skip the sort. The sort has to be skipped at this
// point because our VC has been disposed, and we haven't made a new one yet. The sort
// will happen later in the sequence of Init when InitSorter is called
int hvo = 0;
if (Clerk.OwningObject != null)
{
hvo = Clerk.OwningObject.Hvo;
}
// We must update the list if needed BEFORE we create the actual view, otherwise, if it is trying
// to display an out-of-date list containing deleted objects, all kinds of things may go wrong.
if (XmlUtils.GetOptionalBooleanAttributeValue(m_configurationParameters, "forceReloadListOnInitOrChangeRoot", false))
{
m_propertyTable.SetProperty(Clerk.Id + "_AlwaysRecomputeVirtualOnReloadList", true, true);
// (EricP) when called by RecordView.InitBase() in the context of ListUpdateHelper.ClearBrowseListUntilReload
// the list does not get reloaded until ListUpdateHelper is disposed, but the views property
// will get cleared to prevent these views from accessing invalid objects.
Clerk.UpdateList(false, true);
}
m_browseViewer = CreateBrowseViewer(m_configurationParameters, hvo, m_fakeFlid, Cache,
m_mediator, m_propertyTable,
Clerk.SortItemProvider, Clerk.VirtualListPublisher);
m_browseViewer.SortersCompatible += Clerk.AreSortersCompatible;
// If possible make it use the style sheet appropriate for its main window.
m_browseViewer.SuspendLayout();
SetStyleSheet();
m_browseViewer.Dock = DockStyle.Fill;
RecordFilter linkFilter = m_browseViewer.FilterFromLink();
SetupLinkScripture();
if (linkFilter != null)
{
Clerk.OnChangeFilter(new FilterChangeEventArgs(linkFilter, Clerk.Filter));
}
if (Clerk.Filter != null && !Clerk.Filter.IsValid)
{
Clerk.ResetFilterToDefault();
}
m_browseViewer.UpdateFilterBar(Clerk.Filter);
bool fSortChanged = m_browseViewer.InitSorter(Clerk.Sorter); // true if we had to change sorter
// Do this AFTER we init the sorter and filter, so if any changes are made to the
// sorter or filter as we install, we still get the right load.
if (fSortChanged)
{
HandleSortChange();
// Keep the current index -- see LT-8755.
}
else
{
List <int> sortedCols = m_browseViewer.SortedColumns;
Clerk.IsDefaultSort = sortedCols.Count > 0 && sortedCols[0] == m_browseViewer.DefaultSortColumn;
// This won't actually load if in the context of UpdateListHelper()
Clerk.UpdateList(true, fNeedReload);
}
// Do this very late, it can't display properly until its record list has been built and sorted.
Controls.Add(m_browseViewer);
m_browseViewer.BringToFront();
m_browseViewer.ResumeLayout();
}