From e882367d80a0bcdd09b5412d908b0fdb6b6bfe34 Mon Sep 17 00:00:00 2001
From: Kelly Rauchenberger <fefferburbia@gmail.com>
Date: Tue, 17 Mar 2015 13:58:32 -0400
Subject: Implemented undo/redo framework in map editor

---
 tools/mapedit/src/undo.h | 63 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 tools/mapedit/src/undo.h

(limited to 'tools/mapedit/src/undo.h')

diff --git a/tools/mapedit/src/undo.h b/tools/mapedit/src/undo.h
new file mode 100644
index 0000000..794f993
--- /dev/null
+++ b/tools/mapedit/src/undo.h
@@ -0,0 +1,63 @@
+#ifndef UNDO_H
+#define UNDO_H
+
+#include <wx/wxprec.h>
+
+#ifndef WX_PRECOMP
+#include <wx/wx.h>
+#endif
+
+#include <functional>
+#include <string>
+#include <list>
+
+class MapeditFrame;
+
+class Undoable {
+  public:
+    Undoable(std::string title, std::function<void ()> forward, std::function<void ()> backward);
+    virtual std::string getTitle() const;
+    virtual void apply();
+    virtual void undo();
+    virtual void endChanges() {}
+    
+  protected:
+    Undoable() {}
+    
+    std::string title;
+    std::function<void ()> forward;
+    std::function<void ()> backward;
+};
+
+class UndoableTextBox : public wxTextCtrl {
+  public:
+    UndoableTextBox();
+    UndoableTextBox(wxWindow* parent, wxWindowID id, wxString startText, std::string undoType, MapeditFrame* realParent, wxPoint pos = wxDefaultPosition, wxSize size = wxDefaultSize, long style = 0);
+    
+  private:
+    class Undo : public Undoable {
+      public:
+        Undo(std::string title, wxString origText, UndoableTextBox& parent);
+        void apply();
+        void undo();
+        void endChanges();
+      
+        wxString origText;
+        wxString newText;
+        UndoableTextBox& parent;
+    };
+    
+    void Init();
+    void OnFocus(wxFocusEvent& event);
+    void OnKillFocus(wxFocusEvent& event);
+    void OnTextChange(wxCommandEvent& event);
+    
+    MapeditFrame* realParent;
+    std::string undoText;
+    wxString curText;
+    std::shared_ptr<Undo> undo;
+    
+    wxDECLARE_EVENT_TABLE();
+};
+
+#endif
-- 
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