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);
}
var dockPanel = DockPanel;
if (dockPanel != null)
{
dockPanel.SuspendLayout(true);
}
SuspendSetDockState();
var 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 (DockPanel != null && (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))
{
// Avoid early refresh of hidden AutoHide panes
if ((Pane.DockWindow == null || Pane.DockWindow.Visible || Pane.IsHidden) && !Pane.IsAutoHide)
{
RefreshDockPane(Pane);
}
}
}
if (oldDockState != DockState)
{
if (DockPanel != null)
{
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);
}
}
Rectangle GetLogicalTabStripRectangle(DockState dockState, bool transformed = false)
{
if (!DockHelper.IsDockStateAutoHide(dockState))
{
return(Rectangle.Empty);
}
var leftPanes = GetPanes(DockState.DockLeftAutoHide).Count;
var rightPanes = GetPanes(DockState.DockRightAutoHide).Count;
var topPanes = GetPanes(DockState.DockTopAutoHide).Count;
var bottomPanes = GetPanes(DockState.DockBottomAutoHide).Count;
int x, y, width;
var height = MeasureHeight();
if (dockState == DockState.DockLeftAutoHide && leftPanes > 0)
{
x = 0;
y = (topPanes == 0) ? 0 : height;
width = Height - (topPanes == 0 ? 0 : height) - (bottomPanes == 0 ? 0 : height);
}
else if (dockState == DockState.DockRightAutoHide && rightPanes > 0)
{
x = Width - height;
if (leftPanes != 0 && x < height)
{
x = height;
}
y = (topPanes == 0) ? 0 : height;
width = Height - (topPanes == 0 ? 0 : height) - (bottomPanes == 0 ? 0 : height);
}
else if (dockState == DockState.DockTopAutoHide && topPanes > 0)
{
x = leftPanes == 0 ? 0 : height;
y = 0;
width = Width - (leftPanes == 0 ? 0 : height) - (rightPanes == 0 ? 0 : height);
}
else if (dockState == DockState.DockBottomAutoHide && bottomPanes > 0)
{
x = leftPanes == 0 ? 0 : height;
y = Height - height;
if (topPanes != 0 && y < height)
{
y = height;
}
width = Width - (leftPanes == 0 ? 0 : height) - (rightPanes == 0 ? 0 : height);
}
else
{
return(Rectangle.Empty);
}
if (!transformed)
{
return(new Rectangle(x, y, width, height));
}
else
{
return(GetTransformedRectangle(dockState, new Rectangle(x, y, width, height)));
}
}