Applied patch [ 623187 ] virtual methods and new AppendItem

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20821 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/dirctrlg.h

@@ -163,9 +163,13 @@ public:
     virtual void ReCreateTree();
     
 protected:
-    void ExpandDir(wxTreeItemId parentId);
+    virtual void ExpandDir(wxTreeItemId parentId);
-    void CollapseDir(wxTreeItemId parentId);
+    virtual void CollapseDir(wxTreeItemId parentId);
-    void AddSection(const wxString& path, const wxString& name, int imageId = 0);
+    virtual const wxTreeItemId AddSection(const wxString& path, const wxString& name, int imageId = 0);
+    virtual wxTreeItemId AppendItem (const wxTreeItemId & parent,
+                const wxString & text,
+                int image = -1, int selectedImage = -1,
+                wxTreeItemData * data = NULL);
     //void FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames);
 
     // Extract description and actual filter from overall filter string

src/generic/dirctrlg.cpp

@@ -529,13 +529,16 @@ void wxGenericDirCtrl::ShowHidden( bool show )
     SetPath(path);
 }
 
-void wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
+const wxTreeItemId
+wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
 {
     wxDirItemData *dir_item = new wxDirItemData(path,name,TRUE);
 
-    wxTreeItemId id = m_treeCtrl->AppendItem( m_rootId, name, imageId, -1, dir_item);
+    wxTreeItemId id = AppendItem( m_rootId, name, imageId, -1, dir_item);
 
     m_treeCtrl->SetItemHasChildren(id);
+
+    return id;
 }
 
 void wxGenericDirCtrl::SetupSections()
@@ -755,7 +758,7 @@ void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
         path += eachFilename;
 
         wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,TRUE);
-        wxTreeItemId id = m_treeCtrl->AppendItem( parentId, eachFilename,
+        wxTreeItemId id = AppendItem( parentId, eachFilename,
                                       wxFileIconsTable::folder, -1, dir_item);
         m_treeCtrl->SetItemImage( id, wxFileIconsTable::folder_open,
                                   wxTreeItemIcon_Expanded );
@@ -787,7 +790,7 @@ void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
             int image_id = wxFileIconsTable::file;
             if (eachFilename.Find(wxT('.')) != wxNOT_FOUND)
                 image_id = wxTheFileIconsTable->GetIconID(eachFilename.AfterLast(wxT('.')));
-            (void)m_treeCtrl->AppendItem( parentId, eachFilename, image_id, -1, dir_item);
+            (void) AppendItem( parentId, eachFilename, image_id, -1, dir_item);
         }
     }
 }
@@ -1102,6 +1105,26 @@ void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
     DoResize();
 }
 
+wxTreeItemId wxGenericDirCtrl::AppendItem (const wxTreeItemId & parent,
+					   const wxString & text,
+					   int image, int selectedImage,
+					   wxTreeItemData * data)
+{
+  wxTreeCtrl *treeCtrl = GetTreeCtrl ();
+
+  wxASSERT (treeCtrl);
+
+  if (treeCtrl)
+  {
+    return treeCtrl->AppendItem (parent, text, image, selectedImage, data);
+  }
+  else
+  {
+    return wxTreeItemId();
+  }
+}
+
+
 //-----------------------------------------------------------------------------
 // wxDirFilterListCtrl
 //-----------------------------------------------------------------------------
@@ -1157,6 +1180,7 @@ void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilt
     }
 }
 
+
 // ----------------------------------------------------------------------------
 // wxFileIconsTable icons
 // ----------------------------------------------------------------------------