internal void SetDockState(bool isHidden, DockState visibleState, DockPane oldPane)
{
if (IsSuspendSetDockState)
{
return;
}
if (DockPanel == null && visibleState != DockState.Unknown)
{
throw new InvalidOperationException(Strings.DockContentHandler_SetDockState_NullPanel);
}
if (visibleState == DockState.Hidden || (visibleState != DockState.Unknown && !IsDockStateValid(visibleState)))
{
throw new InvalidOperationException(Strings.DockContentHandler_SetDockState_InvalidState);
}
DockPanel dockPanel = DockPanel;
if (dockPanel != null)
{
dockPanel.SuspendLayout(true);
}
SuspendSetDockState();
DockState oldDockState = DockState;
if (m_isHidden != isHidden || oldDockState == DockState.Unknown)
{
m_isHidden = isHidden;
}
m_visibleState = visibleState;
m_dockState = isHidden ? DockState.Hidden : visibleState;
if (visibleState == DockState.Unknown)
{
Pane = null;
}
else
{
m_isFloat = (m_visibleState == DockState.Float);
if (Pane == null)
{
Pane = DockPanel.DockPaneFactory.CreateDockPane(Content, visibleState, true);
}
else if (Pane.DockState != visibleState)
{
if (Pane.Contents.Count == 1)
{
Pane.SetDockState(visibleState);
}
else
{
Pane = DockPanel.DockPaneFactory.CreateDockPane(Content, visibleState, true);
}
}
}
if (Form.ContainsFocus)
{
if (DockState == DockState.Hidden || DockState == DockState.Unknown)
{
DockPanel.ContentFocusManager.GiveUpFocus(Content);
}
}
SetPaneAndVisible(Pane);
if (oldPane != null && !oldPane.IsDisposed && oldDockState == oldPane.DockState)
{
RefreshDockPane(oldPane);
}
if (Pane != null && DockState == Pane.DockState)
{
if ((Pane != oldPane) ||
(Pane == oldPane && oldDockState != oldPane.DockState))
{
/*
* Without this an early refresh can be triggered while the dimensions of the form
* aren't calculated completely because the form could be still hidden although
* isHidden says FALSE.
*/
if (Pane.DockWindow == null || Pane.DockWindow.Visible || Pane.DockState == DockState.Document)
{
RefreshDockPane(Pane);
}
}
}
if (oldDockState != DockState)
{
if (DockState == DockState.Hidden || DockState == DockState.Unknown ||
DockHelper.IsDockStateAutoHide(DockState))
{
DockPanel.ContentFocusManager.RemoveFromList(Content);
}
else
{
DockPanel.ContentFocusManager.AddToList(Content);
}
OnDockStateChanged(EventArgs.Empty);
}
ResumeSetDockState();
if (dockPanel != null)
{
dockPanel.ResumeLayout(true, true);
}
}