// Set events once a presentation is added to the project
// (after creating an empty presentation or opening a XUK file.)
private void SetPresentationEvents(urakawa.Presentation presentation)
{
urakawa.undo.UndoRedoManager undo = presentation.getUndoRedoManager();
undo.commandDone += new EventHandler <urakawa.events.undo.DoneEventArgs>(project_commandDone);
undo.commandUnDone += new EventHandler <urakawa.events.undo.UnDoneEventArgs>(project_commandUnDone);
undo.commandReDone += new EventHandler <urakawa.events.undo.ReDoneEventArgs>(project_commandReDone);
}
/// <summary>
/// Undo the last change.
/// </summary>
public void Undo()
{
urakawa.undo.UndoRedoManager undo = getPresentation(0).getUndoRedoManager();
if (undo.canUndo())
{
undo.undo();
}
}
/// <summary>
/// Redo the last undone change.
/// </summary>
public void Redo()
{
urakawa.undo.UndoRedoManager redo = getPresentation(0).getUndoRedoManager();
if (redo.canRedo())
{
redo.redo();
}
}
void project_changed(object sender, urakawa.events.DataModelChangedEventArgs e)
{
if (Project != null && Project.Initialized)
{
Text = string.Format("Bobi{0}", Project.HasChanges ? "*" : "");
this.file_SaveMenuItem.Enabled = Project.HasChanges;
// Undo and redo displays the command that can be un/redone
urakawa.undo.UndoRedoManager undo = Project.getPresentation(0).getUndoRedoManager();
this.edit_UndoMenuItem.Enabled = undo.canUndo();
this.edit_UndoMenuItem.Text = string.Format("&Undo{0}",
this.edit_UndoMenuItem.Enabled ? " " + undo.getUndoShortDescription() : "");
this.edit_RedoMenuItem.Enabled = Project.getPresentation(0).getUndoRedoManager().canRedo();
this.edit_RedoMenuItem.Text = string.Format("&Redo{0}",
this.edit_RedoMenuItem.Enabled ? " " + undo.getRedoShortDescription() : "");
this.edit_SelectAllMenuItem.Enabled = Project.NumberOfTracks > 0;
this.edit_SelectNothingMenuItem.Enabled = this.projectView.Selection != null;
}
}
