private ApplicationScreen ConstructScreen(IApplicationBlock owner, Type screenType)
{
#region Pre-conditions
Debug.Assert(owner != null);
Debug.Assert(screenType != null);
Debug.Assert(screenType.IsSubclassOf(typeof(ApplicationScreen)));
#endregion
ApplicationScreen screen = null;
if (LongRunningScreens.ContainsKey(screenType))
{
screen = LongRunningScreens[screenType];
}
else
{
try {
// try to create with parameters
screen = Activator.CreateInstance(screenType, owner, this) as ApplicationScreen;
} catch (MissingMethodException) {
try {
// try to create with just block parameter
screen = Activator.CreateInstance(screenType, owner) as ApplicationScreen;
} catch (MissingMethodException) {
// try to create without parameters
screen = Activator.CreateInstance(screenType) as ApplicationScreen;
}
}
#region Validate
if (screen == null)
{
throw new ApplicationException(
string.Format(
"Could not instantiate the screen of type '{0}' as it did not inherit from '{1}'.",
screenType.Name,
typeof(ApplicationScreen).Name
)
);
}
#endregion
// set screen context if activation did not do so
//if (screen.ApplicationServices == null) {
// screen.ApplicationServices = base.ApplicationServices;
//}
if (screen.ApplicationBlock == null)
{
screen.ApplicationBlock = owner;
}
// add this screen to long running screens if it is not to be destroyed.
if (screen.ActivationMode == ScreenActivationMode.KeepAlive)
{
LongRunningScreens.Add(screenType, screen);
}
}
#region Post-conditions
Debug.Assert(screen != null);
#endregion
return(screen);
}
public ApplicationScreen(IApplicationBlock applicationBlock)
{
ApplicationBlock = applicationBlock;
Url = FileName = null;
Type = HelpType.None;
_menuStripItems = new List <ToolStripItem>();
_showCount = 0;
}
public virtual bool IsBlockRegistered(IApplicationBlock plugin)
{
#region Pre-conditions
Debug.Assert(plugin != null);
#endregion
return(PluginBindings.ContainsKey(plugin));
}
private void DestroyPlugin(IApplicationBlock plugin, TaskPane taskPane)
{
foreach (IMenu menu in plugin.Menus)
{
DestroyMenu(menu, MenuBindings[menu]);
MenuBindings.Remove(menu);
}
taskPane.Dispose();
// remove link from explorer bar
}
public virtual void Dispose()
{
_parent = null;
foreach (IMenuItem menuItem in _items)
{
menuItem.Dispose();
}
if (_image32x32 != null)
{
_image32x32.Dispose();
}
}
public Menu(string title, bool showInMenuStrip, Image image32x32, IMenuItem[] items)
{
_parent = null;
_text = title;
_image32x32 = image32x32;
_items = new List <IMenuItem>();
_showInMenuStrip = showInMenuStrip;
if (items != null)
{
foreach (IMenuItem item in items)
{
AddItem(item);
}
}
}
public virtual void RegisterBlock(IApplicationBlock plugin)
{
#region Pre-conditions
Debug.Assert(plugin != null);
Debug.Assert(!PluginBindings.ContainsKey(plugin));
#endregion
TaskPane taskPane = CreateApplicationBlockPane(plugin);
taskPane.AutoScroll = true;
taskPane.Dock = DockStyle.Fill;
taskPane.Size = new Size(
_applicationBar.Width,
_applicationBar.Height
);
_applicationBar.AddItem(
new ApplicationBar.Item(
taskPane,
plugin.Image32x32,
plugin.Name
)
);
Plugins.Add(plugin);
PluginBindings.Add(plugin, taskPane);
if (ActiveBlock == null)
{
ActiveBlock = plugin;
}
if (plugin.ShowInMenuStrip)
{
RegisterBlockInMenu(plugin);
}
RebuildToolBar();
#warning Execute these on form load rather than now?
foreach (IMenu menu in plugin.Menus)
{
foreach (IMenuItem menuItem in menu.Items)
{
if (menuItem.ExecuteOnLoad)
{
ExecuteMenuItem(menuItem);
}
}
}
}
public virtual void UnregisterBlock(IApplicationBlock plugin)
{
#region Pre-conditions
Debug.Assert(plugin != null);
Debug.Assert(!PluginBindings.ContainsKey(plugin));
#endregion
try {
_splitContainer.Panel1.Controls.Remove(PluginBindings[plugin]);
DestroyPlugin(plugin, PluginBindings[plugin]);
PluginBindings.Remove(plugin);
plugin.Dispose();
RebuildToolBar();
} catch (Exception e) {
ApplicationServices.ReportError(e.Message);
}
}
private TaskPane CreateApplicationBlockPane(IApplicationBlock plugin)
{
TaskPane taskPane = new TaskPane();
taskPane.AutoScroll = true;
taskPane.AutoScrollMargin = new System.Drawing.Size(12, 12);
taskPane.Dock = System.Windows.Forms.DockStyle.Fill;
taskPane.Location = new System.Drawing.Point(0, 0);
taskPane.Name = plugin.Name + " TaskPane";
taskPane.TabIndex = 0;
taskPane.Text = "N/A";
foreach (IMenu menu in plugin.Menus)
{
taskPane.Expandos.Add(
CreateMenu(menu)
);
}
return(taskPane);
}
private void RegisterBlockInMenu(IApplicationBlock block)
{
ToolStripMenuItem blockHeader = new ToolStripMenuItem(
block.Name
);
// register each menu in block
foreach (IMenu menu in block.Menus)
{
if (menu.ShowInMenuStrip)
{
ToolStripMenuItem menuHeader = new ToolStripMenuItem(menu.Text);
menuHeader.Tag = menu;
foreach (IMenuItem item in menu.Items)
{
ILinkMenuItem linkItem = item as ILinkMenuItem;
if (linkItem.ShowOnExplorerBar)
{
ToolStripMenuItem newItem = new ToolStripMenuItem(
linkItem.Text,
linkItem.Image16x16,
ToolStripItemActivate
);
int index = menuHeader.DropDownItems.Add(newItem);
menuHeader.DropDownItems[index].Tag = item;
ToolStripBindings.Add(
newItem,
item
);
}
}
blockHeader.DropDownItems.Add(menuHeader);
}
}
// insert the block menu before the help menu
InsertMenuItemBeforeHelpMenu(blockHeader);
}
/// <summary>
/// Adds the <see cref="block"/> to the servces collection.
/// </summary>
/// <param name="this">The service collection.</param>
/// <param name="block">The block instance.</param>
public static IServiceCollection AddBlock(this IServiceCollection @this, IApplicationBlock block)
{
block.AddTo(@this);
return(@this);
}
