protected override void SetupDataContext()
{
TriggerMessageBoxIfAppropriate();
System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.WaitCursor;
//m_flid = RecordClerk.GetFlidOfVectorFromName(m_vectorName, Cache, out m_owningObject);
RecordClerk clerk = Clerk;
clerk.ActivateUI(false);
m_fakeFlid = clerk.VirtualFlid;
// retrieve persisted clerk index and set it.
int idx = m_mediator.PropertyTable.GetIntProperty(clerk.PersistedIndexProperty, -1, PropertyTable.SettingsGroup.LocalSettings);
if (idx >= 0 && !clerk.HasEmptyList)
{
int idxOld = clerk.CurrentIndex;
try
{
clerk.JumpToIndex(idx);
}
catch
{
clerk.JumpToIndex(idxOld >= 0 ? idxOld : 0);
}
}
clerk.SelectedRecordChanged();
m_hvoOwner = clerk.OwningObject.Hvo;
clerk.IsDefaultSort = false;
// Create the main view
// Review JohnT: should it be m_configurationParameters or .FirstChild?
m_mainView = new XmlSeqView(m_hvoOwner, m_fakeFlid, m_configurationParameters);
m_mainView.Init(m_mediator, m_configurationParameters); // Required call to xCore.Colleague.
m_mainView.Dock = System.Windows.Forms.DockStyle.Fill;
m_mainView.Cache = Cache;
m_mainView.SelectionChangedEvent +=
new FwSelectionChangedEventHandler(OnSelectionChanged);
m_mainView.ShowRangeSelAfterLostFocus = true; // This makes selections visible.
// If the rootsite doesn't have a rootbox, we can't display the record!
// Calling ShowRecord() from InitBase() sets the state to appear that we have
// displayed (and scrolled), even though we haven't. See LT-7588 for the effect.
m_mainView.MakeRoot();
SetupStylesheet();
Controls.Add(m_mainView);
if (Controls.Count == 2)
{
Controls.SetChildIndex(m_mainView, 1);
m_mainView.BringToFront();
}
m_fullyInitialized = true; // Review JohnT: was this really the crucial last step?
}
protected override void ShowRecord()
{
// ShowRecord is called by InitBase,
// but it isn't set up enough to do anything at that call.
// Out own Init method needs to call it again.
// Either that, or we can try initializing the browse viewer, before calling InitBase,
// but that may be worse.
if (!m_fullyInitialized || m_suppressShowRecord)
{
return;
}
Debug.Assert(m_browseViewer != null, "RecordBrowseView.SetupDataContext() has to be called before RecordBrowseView.ShowRecord().");
RecordClerk clerk = Clerk;
// This is a bizarre situation that occurs when the root object is changing and
// notifications get sent in non-optimal order. There will be another
// ShowRecord call after the two get synchronized.
if (clerk.OwningObject != null && clerk.OwningObject.Hvo != m_browseViewer.RootObjectHvo)
{
return;
}
int currentIndex = clerk.CurrentIndex;
int storedIndex = m_propertyTable.GetIntProperty(Clerk.PersistedIndexProperty, currentIndex, PropertyTable.SettingsGroup.LocalSettings);
if (storedIndex != currentIndex && storedIndex >= 0 && !clerk.HasEmptyList)
{
try
{
clerk.JumpToIndex(storedIndex);
currentIndex = clerk.CurrentIndex;
Debug.Assert(currentIndex == storedIndex);
}
catch
{
if (currentIndex >= 0)
{
clerk.JumpToIndex(currentIndex);
}
}
}
// all that the base method currently does is put the class name of the selected object
// into our information bar. If we're supposed to be showing the short name of the root
// object, that needs to be suppressed.
// if (!XmlUtils.GetBooleanAttributeValue(m_configurationParameters, "ShowOwnerShortname"))
// base.ShowRecord();
// else
//SetInfoBarText();
base.ShowRecord();
try
{
// NOTE: If the clerk's current index is less than zero,
// or greater than the number of objects in the vector,
// SelectedIndex will assert in a debug build,
// and throw an exception in a release build.
// The call to m_browseViewer.SelectedIndex will trigger an event,
// which will run the OnRecordNavigation method,
// which will again try and set m_browseViewer.SelectedIndex,
// so we set this to true, so OnRecordNavigation bails out.
m_suppressRecordNavigation = true;
m_browseViewer.SelectedIndex = currentIndex;
}
finally
{
m_suppressRecordNavigation = false;
}
}