Changeset 8d9984 for molecuilder/src/Menu

Timestamp:

Mar 25, 2010, 12:01:27 PM (16 years ago)

Author:

Tillmann Crueger <crueger@…>

Children:

c3294f, fe3540

Parents:

521e29

git-author:

Tillmann Crueger <crueger@…> (03/25/10 11:59:56)

git-committer:

Tillmann Crueger <crueger@…> (03/25/10 12:01:27)

Message:

Added full undo functioniality

Location:

molecuilder/src/Menu

Files:

• TextMenu.cpp (modified) (2 diffs)
• TextMenu.hpp (modified) (3 diffs)

molecuilder/src/Menu/TextMenu.cpp

@@ -11 +11 @@
 #include "Menu/TextMenu.hpp"
 #include "Menu/MenuItem.hpp"
+#include "Helpers/Assert.hpp"
 
 
@@ -88 +89 @@
 }
 
+string TextMenu::getTitle(){
+  return title;
+}
+
 void TextMenu::addDefault(MenuItem* _defaultItem) {
   defaultItem = _defaultItem;
 }
+
+/****************************** Contained Actions ****************/
+
+const string TextMenu::LeaveAction::nameBase = "Leave menu: ";
+
+TextMenu::LeaveAction::LeaveAction(TextMenu* _menu) :
+Action(nameBase+_menu->getTitle()),
+menu(_menu)
+{}
+
+TextMenu::LeaveAction::~LeaveAction(){}
+
+bool TextMenu::LeaveAction::canUndo(){
+  return false;
+}
+
+bool TextMenu::LeaveAction::shouldUndo(){
+  return false;
+}
+
+Action::state_ptr TextMenu::LeaveAction::performCall(){
+  menu->doQuit();
+  return Action::success;
+}
+
+
+Action::state_ptr TextMenu::LeaveAction::performUndo(Action::state_ptr){
+  ASSERT(0,"Cannot undo leaving a menu");
+  return Action::success;
+}
+
+Action::state_ptr TextMenu::LeaveAction::performRedo(Action::state_ptr){
+  ASSERT(0,"Cannot redo leaving a menu");
+  return Action::success;
+}

molecuilder/src/Menu/TextMenu.hpp

@@ -14 +14 @@
 
 #include "Menu/Menu.hpp"
+#include "Actions/Action.hpp"
 #include "defs.hpp"
 
@@ -26 +27 @@
 {
 public:
+  class LeaveAction : public Action {
+  public:
+    LeaveAction(TextMenu*);
+    virtual ~LeaveAction();
+
+    bool canUndo();
+    bool shouldUndo();
+
+  private:
+    virtual Action::state_ptr performCall();
+    virtual Action::state_ptr performUndo(Action::state_ptr);
+    virtual Action::state_ptr performRedo(Action::state_ptr);
+
+    TextMenu* menu;
+
+    static const string nameBase;
+  };
+
   TextMenu(ostream& _outputter, string _title, char _spacer=STD_MENU_TITLE_SPACER,int _length=STD_MENU_LENGTH);
   virtual ~TextMenu();
@@ -32 +51 @@
   virtual void removeItem(MenuItem*);
   virtual void display();
+  virtual string getTitle();
 
   /**