/// <summary>
/// Creates a new command. As CommandManger (Context) the global GCommandManger Singleton is used.
/// </summary>
/// <param name="execute">The execution logic.</param>
/// <param name="canExecute">The execution status logic.</param>
public WrapperCommand(ICommandUndo command, ICommandManager context) {
if (command == null)
throw new ArgumentNullException("command");
if (context == null)
throw new ArgumentNullException("context");
_context = context;
_command = command;
}
public CommandEventArgs(ICommandUndo command) {
_command = command;
}
/// <summary>
/// Executes the given command <paramref name="cmd"/> and adds it to the executed commands for allowing undo/redo support.
/// </summary>
/// <param name="cmd"></param>
/// <param name="commandArg"></param>
public virtual void Execute(ICommandUndo cmd, object commandArg = null) {
var undo = this.CanUndo;
var redo = this.CanRedo;
cmd.Execute(commandArg);
if (CommandExecuted != null) {
CommandExecuted(this, new CommandEventArgs(cmd));
}
if (!cmd.IsTransparentCommand) {
_commandsExecuted.Push(cmd.CloneCommand());
OnCommandsExecutedChanged();
}
if (undo != this.CanUndo)
OnCanUndoChanged();
if (redo != this.CanRedo)
OnCanRedoChanged();
}
