SVN Commit by andreas: r4390 - trunk/pgadmin3/src/include/base - Mailing list pgadmin-hackers

Author: andreas
Date: 2005-08-09 21:29:01 +0100 (Tue, 09 Aug 2005)
New Revision: 4390

Added:
   trunk/pgadmin3/src/include/base/factory.h
Log:
Refactoring object and tool handling using class factories to make extensions easier

Added: trunk/pgadmin3/src/include/base/factory.h
===================================================================
--- trunk/pgadmin3/src/include/base/factory.h    2005-08-09 20:28:39 UTC (rev 4389)
+++ trunk/pgadmin3/src/include/base/factory.h    2005-08-09 20:29:01 UTC (rev 4390)
@@ -0,0 +1,105 @@
+//////////////////////////////////////////////////////////////////////////
+//
+// pgAdmin III - PostgreSQL Tools
+// RCS-ID:      $Id:  $
+// Copyright (C) 2002 - 2005, The pgAdmin Development Team
+// This software is released under the Artistic Licence
+//
+// factory.h - Object classes factory
+//
+//////////////////////////////////////////////////////////////////////////
+
+#ifndef FACTORY_H
+#define FACTORY_H
+
+// wxWindows headers
+#include <wx/wx.h>
+
+#ifdef WIN32
+#pragma warning(disable:4183)
+#endif
+
+class pgObject;
+class frmMain;
+class dlgProperty;
+class wxTreeCtrl;
+class pgCollection;
+class pgSchema;
+class pgaCollectionFactory;
+
+
+class pgaFactory
+{
+public:
+    virtual dlgProperty *CreateDialog(frmMain *frame, pgObject *node, pgObject *parent)=0;
+    virtual pgObject *CreateObjects(pgCollection  *obj, wxTreeCtrl *browser, const wxString &restr=wxEmptyString) {
return0; } 
+    virtual bool IsCollection() { return false; }
+    virtual void AppendMenu(wxMenu *menu);
+    bool IsCollectionFor(pgaFactory &f) { return f.GetCollectionFactory() == (pgaCollectionFactory*)this; }
+
+    static pgaFactory *GetFactory(int id);
+    static pgaFactory *GetFactory(const wxString &name);
+    int GetId() { return id; }
+    int GetMetaType();
+    wxChar *GetTypeName() { return typeName; }
+    wxChar *GetNewString() { return newString; }
+    wxChar *GetNewLongString() { return newLongString; }
+    pgaCollectionFactory *GetCollectionFactory() { return collectionFactory; }
+
+    virtual int GetIconId() { return iconId; }
+    static void RegisterMenu(wxWindow *w, wxObjectEventFunction func);
+    char **GetImage() const { return image; }
+
+protected:
+    pgaFactory(wxChar *tn=0, wxChar *ns=0, wxChar *nls=0, char **img=0);
+
+    int addImage(char **img);
+
+    int id, metaType;
+    wxChar *typeName;
+    wxChar *newString, *newLongString;
+    int iconId;
+    char **image;
+
+    pgaCollectionFactory *collectionFactory;
+    friend class pgaCollectionFactory;
+};
+
+
+class pgaCollectionFactory : public pgaFactory
+{
+public:
+    pgaCollectionFactory(pgaFactory *f, wxChar *tn=0, char **img=0);
+    wxChar *GetItemTypeName() { return itemFactory->GetTypeName(); }
+    pgaFactory *GetItemFactory() { return itemFactory; }
+    pgObject *CreateObjects(pgCollection  *obj, wxTreeCtrl *browser, const wxString &restr=wxEmptyString);
+
+protected:
+    virtual bool IsCollection() { return true; }
+    dlgProperty *CreateDialog(frmMain *frame, pgObject *node, pgObject *parent);
+
+    pgaFactory *itemFactory;
+};
+
+
+class actionFactory
+{
+public:
+    virtual wxWindow *StartDialog(frmMain *form, pgObject *obj)=0;
+    virtual bool CheckEnable(pgObject *obj)=0;
+
+    int GetId() { return id; }
+
+    static void CheckMenu(pgObject *obj, wxMenuBar *menubar, wxToolBar *toolbar);
+    static void AppendEnabledMenus(wxMenuBar *menuBar, wxMenu *treeContextMenu);
+    static actionFactory *GetFactory(int id);
+    static void RegisterMenu(wxWindow *w, wxObjectEventFunction func);
+
+protected:
+    actionFactory();
+
+    int id;
+};
+
+
+#endif