protected override void OnLoad(EventArgs args)
{
base.OnLoad(args);
UpdateTitle();
// Step 1. Bind apriori known actions
Action <ToolStripItem, Func <ICommand> > bind =
(mi, fcmd) => Ctx.BindCommand((ToolStripMenuItem)mi, fcmd);
bind(_vaultNew, () => new VaultNewCommand(Ctx));
bind(_vaultOpen, () => new VaultOpenCommand(Ctx));
bind(_vaultSave, () => new VaultSaveCommand(Ctx));
bind(_vaultImport, () => new VaultImportCommand(Ctx));
bind(_vaultExport, () => new VaultExportCommand(Ctx));
bind(_vaultExit, () => new VaultExitCommand(Ctx));
bind(_editUndo, () => new UndoCommand(Ctx));
bind(_editRedo, () => new RedoCommand(Ctx));
bind(_branchNew, () => new BranchNewCommand(Ctx));
bind(_branchNewPopup, () => new BranchNewCommand(Ctx));
bind(_branchEditMetadata, () => new BranchEditMetadataStartCommand(Ctx));
bind(_branchEditMetadataPopup, () => new BranchEditMetadataStartCommand(Ctx));
bind(_branchDelete, () => new BranchDeleteCommand(Ctx));
bind(_branchDeletePopup, () => new BranchDeleteCommand(Ctx));
bind(_branchRename, () => new BranchRenameStartCommand(Ctx));
bind(_branchRenamePopup, () => new BranchRenameStartCommand(Ctx));
bind(_branchMoveUp, () => new BranchMoveUpCommand(Ctx));
bind(_branchMoveUpPopup, () => new BranchMoveUpCommand(Ctx));
bind(_branchMoveDown, () => new BranchMoveDownCommand(Ctx));
bind(_branchMoveDownPopup, () => new BranchMoveDownCommand(Ctx));
bind(_valueEdit, () => new ValueEditStartCommand(Ctx));
bind(_valueEditPopup, () => new ValueEditStartCommand(Ctx));
bind(_valueEditMetadata, () => new ValueEditMetadataStartCommand(Ctx));
bind(_valueEditMetadataPopup, () => new ValueEditMetadataStartCommand(Ctx));
bind(_valueRename, () => new ValueRenameStartCommand(Ctx));
bind(_valueRenamePopup, () => new ValueRenameStartCommand(Ctx));
bind(_valueDelete, () => new ValueDeleteCommand(Ctx));
bind(_valueDeletePopup, () => new ValueDeleteCommand(Ctx));
bind(_editCut, () => new CutCommand(Ctx));
bind(_editCopy, () => new CopyCommand(Ctx));
bind(_editPaste, () => new PasteCommand(Ctx));
bind(_branchCutPopup, () => new BranchCutCommand(Ctx));
bind(_branchCopyPopup, () => new BranchCopyCommand(Ctx));
bind(_branchPastePopup, () => new BranchPasteCommand(Ctx));
bind(_valueCutPopup, () => new ValueCutCommand(Ctx));
bind(_valueCopyPopup, () => new ValueCopyCommand(Ctx));
bind(_valuePastePopup, () => new ValuePasteCommand(Ctx));
bind(_valueCutPopup2, () => new ValueCutCommand(Ctx));
bind(_valueCopyPopup2, () => new ValueCopyCommand(Ctx));
bind(_valuePastePopup2, () => new ValuePasteCommand(Ctx));
// Step 2. Generate and bind value creation actions
Action <ToolStripItemCollection> generateAndBind = coll =>
{
var generated = ContentTypes.All.ToDictionary(t => new ToolStripMenuItem(t.LocNewValue)
{
Tag = t
}, t => t);
generated.ForEach(kvp => bind(kvp.Key, () => new ValueNewTypedCommand(Ctx, kvp.Value.TypeToken)));
var binary = new ToolStripMenuItem(Resources.New_ValueBinary);
bind(binary, () => new ValueNewBinaryCommand(Ctx));
var dummy = coll.Cast <ToolStripItem>().Single(item => item.Name.Contains("Dummy"));
var index = coll.IndexOf(dummy);
dummy.Visible = false;
coll.Insert(index, binary);
generated.ForEach(kvp => coll.Insert(index, kvp.Key));
};
generateAndBind(_value.DropDownItems);
generateAndBind(_branchPopup.Items);
generateAndBind(_valuePopup2.Items);
// Step 3. Generate and bind view actions
var map = new Dictionary <String, ToolStripMenuItem>();
VaultViewFactories.All.OrderBy(v => v.LocName).ForEach(v =>
{
var nameTemplate = Resources.Views_MenuItem_Template;
var moduleVersion = v.Type.Assembly.GetName().Version.ToString();
var miName = String.Format(nameTemplate, v.LocName, moduleVersion);
var mi = new ToolStripMenuItem(miName);
map.Add(v.Name, mi);
_views.DropDownItems.Add(mi);
bind(mi, () => new ViewToggleCommand(Ctx, v.Name));
});
_views.Tag = map; // hack
// rearrange menu items on view stack changes: push...
Ctx.Views.ItemPushed += (o, e) =>
{
var mi = map[e.Item.Name];
mi.Checked = true;
_views.DropDownItems.Remove(mi);
var iofSep = _views.DropDownItems.IndexOf(_separator13);
_views.DropDownItems.Insert(iofSep, mi);
};
// ...and pop
Ctx.Views.ItemPopped += (o, e) =>
{
var mi = map[e.Item.Name];
mi.Checked = false;
_views.DropDownItems.Remove(mi);
var iofDummy = _views.DropDownItems.IndexOf(_viewsAvailableDummy);
var lo = iofDummy;
var hi = _views.DropDownItems.Count;
Func <int, String> text = i =>
i == iofDummy ? "\x0000" :
i == _views.DropDownItems.Count ? "\xffff" :
_views.DropDownItems[i].Text;
while (hi - lo > 1)
{
var mid = (int)Math.Ceiling((lo + hi) / 2.0);
var cmp = String.CompareOrdinal(text(mid), mi.Text);
(cmp != 0).AssertTrue();
if (cmp == -1)
{
lo = mid;
}
if (cmp == 1)
{
hi = mid;
}
}
// insert in the exact position to remain sorted
_views.DropDownItems.Insert(lo + 1, mi);
};
// update visibility of menu parts
_commands.AfterUIResync += (o, e) =>
{
var active = Ctx.Views.ToArray();
var available = VaultViewFactories.All.Where(v_av =>
!active.Any(v_ac => v_ac.Name == v_av.Name)).ToArray();
_views.Visible = active.IsNotEmpty() || available.IsNotEmpty();
_viewsActive.Visible = active.IsNotEmpty();
_separator13.Visible = active.IsNotEmpty() && available.IsNotEmpty();
_viewsAvailable.Visible = available.IsNotEmpty();
var realMenuItems = _views.DropDownItems.OfType <ToolStripMenuItem>()
.Except(new[] { _viewsActive, _viewsAvailable })
.Where(mi => !mi.Name.ToLower().Contains("dummy"));
_views.Enabled = realMenuItems.Any(mi => mi.Enabled);
};
// Step 4. Ensure event sources are always synced with the commands
_commands.ResyncUI();
_tree.AfterSelect += (o, e) => _commands.ResyncUI();
_tree.NodeMouseClick += (o, e) => { _tree.SelectedNode = e.Node; _commands.ResyncUI(); };
_list.SelectedIndexChanged += (o, e) => _commands.ResyncUI();
_tree.LostFocus += (o, e) => _commands.ResyncUI();
_tree.GotFocus += (o, e) => _commands.ResyncUI();
_list.LostFocus += (o, e) => _commands.ResyncUI();
_list.GotFocus += (o, e) => _commands.ResyncUI();
// Step 5. Ensure that only one command can be executed at a time
Ctx.CommandExecuting += (o, e) => { Ctx.CommandsAllowed = false; _commands.ResyncUI(); };
Ctx.CommandUnexecuting += (o, e) => { Ctx.CommandsAllowed = false; _commands.ResyncUI(); };
Ctx.CommandExecutionCancelled += (o, e) => { Ctx.CommandsAllowed = true; _commands.ResyncUI(); };
Ctx.CommandUnexecutionCancelled += (o, e) => { Ctx.CommandsAllowed = true; _commands.ResyncUI(); };
Ctx.CommandExecuted += (o, e) => { Ctx.CommandsAllowed = true; _commands.ResyncUI(); };
Ctx.CommandUnexecuted += (o, e) => { Ctx.CommandsAllowed = true; _commands.ResyncUI(); };
// Step 6. Setup UI update feedback
_tree.AfterSelect += (o, e) => Ctx.RebuildListItems();
Ctx.CommandExecuted += (o, e) => UpdateTitle();
_commands.BeforeUIResync += (o, e) => { if (BeforeUIResync != null)
{
BeforeUIResync(o, e);
}
};
_commands.AfterUIResync += (o, e) => { if (AfterUIResync != null)
{
AfterUIResync(o, e);
}
};
// Step 7. Load UI extensions
_extensions = DataVaultUIExtensions.All.ToArray();
_extensions.ForEach(ext => ext.Initialize(Ctx));
// 8. Now once we're all started, we can proceed to loading vault from initial URI
LoadFromInitialUri();
}