private void ShowScreen(ApplicationScreen screen)
{
#region Pre-conditions
Debug.Assert(screen != null);
#endregion
var cancelRemove = false;
// notify current view for permission to remove
ActiveScreen?.NotifyHideScreen(ref cancelRemove);
// remove if current view granted permission
if (!cancelRemove)
{
_splitContainer.Panel2.SuspendLayout();
// remove the view toolbar items if any
if (ActiveScreen != null)
{
UnregisterScreenFromMenu(ActiveScreen);
// put the tool buttons back into the screen toolbar
ActiveScreen.ToolBar?.Items.AddRange(ActiveViewButtons.ToArray());
ActiveViewButtons.Clear();
// remove the view control
if (_splitContainer.Panel2.Controls.Contains(ActiveScreen))
{
_splitContainer.Panel2.Controls.Remove(ActiveScreen);
}
// dispose view and release its resources
if (ActiveScreen.ActivationMode == ScreenActivationMode.AlwaysCreate)
{
ActiveScreen.Dispose();
}
}
// collapse menu if new screen demands it
bool collapseMenu =
screen.DisplayMode == ScreenDisplayMode.Filled ||
screen.DisplayMode == ScreenDisplayMode.FilledAndMaximized;
_splitContainer.Panel1Collapsed = collapseMenu;
// maximize if new screen demands it
bool maximize =
screen.DisplayMode == ScreenDisplayMode.FilledAndMaximized ||
screen.DisplayMode == ScreenDisplayMode.Maximized;
if (maximize)
{
base.WindowState = FormWindowState.Maximized;
}
// place the new view in the content panel
screen.Dock = DockStyle.Fill;
screen.Location = new Point(0, 0);
screen.Name = "VIEW";
screen.TabIndex = 0;
screen.Location = new Point(
_splitContainer.Panel2.Padding.Left,
_splitContainer.Panel2.Padding.Top
);
Size newSize = new Size(
_splitContainer.Width -
(_splitContainer.SplitterDistance + _splitContainer.SplitterWidth) -
(_splitContainer.Panel2.Padding.Left + _splitContainer.Panel2.Padding.Right),
_splitContainer.Height -
(_splitContainer.Panel2.Padding.Top + _splitContainer.Panel2.Padding.Bottom)
);
if (collapseMenu)
{
newSize.Width = newSize.Width + _splitContainer.SplitterDistance;
}
;
screen.Size = newSize;
screen.PerformLayout();
_splitContainer.Panel2.Controls.Add(screen);
_splitContainer.Panel2.ResumeLayout(false);
// set current view sa the active view
ActiveScreen = screen;
// place new tool strip items
if (ActiveScreen.ShowInApplicationMenuStrip)
{
RegisterScreenInMenu(ActiveScreen);
}
RebuildToolBar();
// let view know that it has begun
ActiveScreen.NotifyShow();
}
}
private void RebuildToolBar()
{
ToolStrip.SuspendLayout();
ToolStrip.Items.Clear();
#region Add standard buttons
#endregion
#region Add screen list buttons
foreach (IApplicationBlock block in Plugins)
{
if (block.ShowInToolStrip)
{
if (ToolStrip.Items.Count > 0)
{
ToolStrip.Items.Add(new ToolStripSeparator());
}
foreach (IMenu menu in block.Menus)
{
foreach (IMenuItem item in menu.Items)
{
if (item is ILinkMenuItem)
{
ILinkMenuItem linkItem = item as ILinkMenuItem;
if (linkItem.ShowOnToolStrip)
{
ToolStripButton button = new ToolStripButton(
string.Empty,
item.Image16x16 != null ? item.Image16x16 : Sphere10.Framework.Windows.Forms.Properties.Resources.DefaultToolStripImage,
ToolStripItemActivate
);
button.ToolTipText = linkItem.Text;
ToolStrip.Items.Add(button);
ToolStripBindings.Add(
button,
item
);
}
}
}
}
}
}
#endregion
#region Add active screen buttons
if (ActiveScreen != null)
{
if (ActiveScreen.ToolBar != null)
{
if (ToolStrip.Items.Count > 0)
{
ToolStrip.Items.Add(new ToolStripSeparator());
}
int buttonCount = ActiveScreen.ToolBar.Items.Count;
ActiveViewButtons.Clear();
for (int i = 0; i < buttonCount; i++)
{
ActiveViewButtons.Add(
ActiveScreen.ToolBar.Items[i]
);
}
if (ActiveScreen.ToolBar.Tag == null)
{
foreach (Control ctrl in ActiveScreen.Controls)
{
ctrl.Location = new Point(
ctrl.Location.X,
ctrl.Location.Y - ActiveScreen.ToolBar.Height
);
}
ActiveScreen.ToolBar.Visible = false;
ActiveScreen.ToolBar.Tag = "Removed";
}
ToolStrip.Items.AddRange(ActiveViewButtons.ToArray());
}
}
#endregion
#region Add help buttons
ToolStrip.Items.Add(new ToolStripSeparator());
ToolStripItem contextHelpButton = ToolStrip.Items.Add(
string.Empty,
Sphere10.Framework.Windows.Forms.Properties.Resources.Help_16x16x32,
ContextHelp_Click
);
contextHelpButton.ToolTipText = "Get help for currently opened screen";
#endregion
ToolStrip.ResumeLayout();
}
