Use the data scheme to load resources in the WebKitGTK+ implementation, rather than...

[wxWidgets.git] / src / propgrid / propgrid.cpp

diff --git a/src/propgrid/propgrid.cpp b/src/propgrid/propgrid.cpp
index 31b518e95cfc6185dc5a9d5b341c1dea9e828924..5af8805a19e74fb1fd874ec80a12c311c25f15da 100644 (file)
--- a/src/propgrid/propgrid.cpp
+++ b/src/propgrid/propgrid.cpp
@@ -235,6 +235,10 @@ wxPGGlobalVarsClass::~wxPGGlobalVarsClass()
         delete ((wxPGEditor*)vt_it->second);
     }
 
         delete ((wxPGEditor*)vt_it->second);
     }
 

+    // Make sure the global pointers have been reset
+    wxASSERT(wxPG_EDITOR(TextCtrl) == NULL);
+    wxASSERT(wxPG_EDITOR(ChoiceAndButton) == NULL);
+

     delete wxPGProperty::sm_wxPG_LABEL;
 }
 
     delete wxPGProperty::sm_wxPG_LABEL;
 }
 


@@ -371,9 +375,7 @@ void wxPropertyGrid::Init1()
     m_coloursCustomized = 0;
     m_frozen = 0;
 
     m_coloursCustomized = 0;
     m_frozen = 0;
 

-#if wxPG_DOUBLE_BUFFER

     m_doubleBuffer = NULL;
     m_doubleBuffer = NULL;

-#endif

 
 #ifndef wxPG_ICON_WIDTH
     m_expandbmp = NULL;
 
 #ifndef wxPG_ICON_WIDTH
     m_expandbmp = NULL;


@@ -540,10 +542,8 @@ wxPropertyGrid::~wxPropertyGrid()
                       wxS("Close(false).)") );
     }
 
                       wxS("Close(false).)") );
     }
 

-#if wxPG_DOUBLE_BUFFER

     if ( m_doubleBuffer )
         delete m_doubleBuffer;
     if ( m_doubleBuffer )
         delete m_doubleBuffer;

-#endif

 
     if ( m_iFlags & wxPG_FL_CREATEDSTATE )
         delete m_pState;
 
     if ( m_iFlags & wxPG_FL_CREATEDSTATE )
         delete m_pState;


@@ -1123,9 +1123,7 @@ void wxPropertyGrid::SetExtraStyle( long exStyle )
         }
         else
         {
         }
         else
         {

-        #if wxPG_DOUBLE_BUFFER

             wxDELETE(m_doubleBuffer);
             wxDELETE(m_doubleBuffer);

-        #endif

         }
     }
 
         }
     }
 


@@ -1684,7 +1682,7 @@ wxPoint wxPropertyGrid::GetGoodEditorDialogPosition( wxPGProperty* p,
 
 wxString& wxPropertyGrid::ExpandEscapeSequences( wxString& dst_str, wxString& src_str )
 {
 
 wxString& wxPropertyGrid::ExpandEscapeSequences( wxString& dst_str, wxString& src_str )
 {

-    if ( src_str.length() == 0 )
+    if ( src_str.empty() )

     {
         dst_str = src_str;
         return src_str;
     {
         dst_str = src_str;
         return src_str;


@@ -1743,7 +1741,7 @@ wxString& wxPropertyGrid::ExpandEscapeSequences( wxString& dst_str, wxString& sr
 
 wxString& wxPropertyGrid::CreateEscapeSequences( wxString& dst_str, wxString& src_str )
 {
 
 wxString& wxPropertyGrid::CreateEscapeSequences( wxString& dst_str, wxString& src_str )
 {

-    if ( src_str.length() == 0 )
+    if ( src_str.empty() )

     {
         dst_str = src_str;
         return src_str;
     {
         dst_str = src_str;
         return src_str;


@@ -1945,6 +1943,7 @@ void wxPropertyGrid::DrawItems( wxDC& dc,
     vx *= wxPG_PIXELS_PER_UNIT;
     vy *= wxPG_PIXELS_PER_UNIT;
 
     vx *= wxPG_PIXELS_PER_UNIT;
     vy *= wxPG_PIXELS_PER_UNIT;
 

+    // itemRect is in virtual grid space

     wxRect drawRect(itemsRect->x - vx,
                     itemsRect->y - vy,
                     itemsRect->width,
     wxRect drawRect(itemsRect->x - vx,
                     itemsRect->y - vy,
                     itemsRect->width,


@@ -1960,7 +1959,6 @@ void wxPropertyGrid::DrawItems( wxDC& dc,
         wxDC* dcPtr = &dc;
         bool isBuffered = false;
 
         wxDC* dcPtr = &dc;
         bool isBuffered = false;
 

-    #if wxPG_DOUBLE_BUFFER

         wxMemoryDC* bufferDC = NULL;
 
         if ( !(GetExtraStyle() & wxPG_EX_NATIVE_DOUBLE_BUFFERING) )
         wxMemoryDC* bufferDC = NULL;
 
         if ( !(GetExtraStyle() & wxPG_EX_NATIVE_DOUBLE_BUFFERING) )


@@ -1981,17 +1979,16 @@ void wxPropertyGrid::DrawItems( wxDC& dc,
                 isBuffered = true;
             }
         }
                 isBuffered = true;
             }
         }

-    #endif

 
         if ( dcPtr )
         {
 
         if ( dcPtr )
         {

+            // paintFinishY and drawBottomY are in buffer/physical space

             paintFinishY = DoDrawItems( *dcPtr, itemsRect, isBuffered );
             paintFinishY = DoDrawItems( *dcPtr, itemsRect, isBuffered );

-            int drawBottomY = itemsRect->y + itemsRect->height;
+            int drawBottomY = itemsRect->y + itemsRect->height - vy;

 
             // Clear area beyond last painted property
             if ( paintFinishY < drawBottomY )
             {
 
             // Clear area beyond last painted property
             if ( paintFinishY < drawBottomY )
             {

-                wxLogDebug("%i", paintFinishY);

                 dcPtr->SetPen(m_colEmptySpace);
                 dcPtr->SetBrush(m_colEmptySpace);
                 dcPtr->DrawRectangle(0, paintFinishY,
                 dcPtr->SetPen(m_colEmptySpace);
                 dcPtr->SetBrush(m_colEmptySpace);
                 dcPtr->DrawRectangle(0, paintFinishY,


@@ -2000,7 +1997,6 @@ void wxPropertyGrid::DrawItems( wxDC& dc,
             }
         }
 
             }
         }
 

-    #if wxPG_DOUBLE_BUFFER

         if ( bufferDC )
         {
             dc.Blit( drawRect.x, drawRect.y, drawRect.width,
         if ( bufferDC )
         {
             dc.Blit( drawRect.x, drawRect.y, drawRect.width,


@@ -2008,7 +2004,6 @@ void wxPropertyGrid::DrawItems( wxDC& dc,
                      bufferDC, 0, 0, wxCOPY );
             delete bufferDC;
         }
                      bufferDC, 0, 0, wxCOPY );
             delete bufferDC;
         }

-    #endif

     }
     else
     {
     }
     else
     {


@@ -2080,10 +2075,11 @@ int wxPropertyGrid::DoDrawItems( wxDC& dc,
     int xRelMod = 0;
 
     //
     int xRelMod = 0;
 
     //

-    // With wxPG_DOUBLE_BUFFER, do double buffering
+    // For now, do some manual calculation for double buffering

     // - buffer's y = 0, so align itemsRect and coordinates to that
     //
     // - buffer's y = 0, so align itemsRect and coordinates to that
     //

-#if wxPG_DOUBLE_BUFFER
+    // TODO: In future use wxAutoBufferedPaintDC (for example)
+    //

     int yRelMod = 0;
 
     wxRect cr2;
     int yRelMod = 0;
 
     wxRect cr2;


@@ -2102,9 +2098,6 @@ int wxPropertyGrid::DoDrawItems( wxDC& dc,
         firstItemTopY -= yRelMod;
         lastItemBottomY -= yRelMod;
     }
         firstItemTopY -= yRelMod;
         lastItemBottomY -= yRelMod;
     }

-#else
-    wxUnusedVar(isBuffered);
-#endif

 
     int x = m_marginWidth - xRelMod;
 
 
     int x = m_marginWidth - xRelMod;
 


@@ -2549,7 +2542,7 @@ wxRect wxPropertyGrid::GetPropertyRect( const wxPGProperty* p1, const wxPGProper
     //
     // Return rect which encloses the given property range
     // (in logical grid coordinates)
     //
     // Return rect which encloses the given property range
     // (in logical grid coordinates)

-    // 
+    //

 
     int visTop = p1->GetY();
     int visBottom;
 
     int visTop = p1->GetY();
     int visBottom;


@@ -2607,7 +2600,7 @@ void wxPropertyGrid::DrawItems( const wxPGProperty* p1, const wxPGProperty* p2 )
 
 void wxPropertyGrid::RefreshProperty( wxPGProperty* p )
 {
 
 void wxPropertyGrid::RefreshProperty( wxPGProperty* p )
 {

-    if ( m_pState->DoIsPropertySelected(p) )
+    if ( m_pState->DoIsPropertySelected(p) || p->IsChildSelected(true) )

     {
         // NB: We must copy the selection.
         wxArrayPGProperty selection = m_pState->m_selection;
     {
         // NB: We must copy the selection.
         wxArrayPGProperty selection = m_pState->m_selection;


@@ -3157,7 +3150,7 @@ wxStatusBar* wxPropertyGrid::GetStatusBar()
 
 void wxPropertyGrid::DoShowPropertyError( wxPGProperty* WXUNUSED(property), const wxString& msg )
 {
 
 void wxPropertyGrid::DoShowPropertyError( wxPGProperty* WXUNUSED(property), const wxString& msg )
 {

-    if ( !msg.length() )
+    if ( msg.empty() )

         return;
 
 #if wxUSE_STATUSBAR
         return;
 
 #if wxUSE_STATUSBAR


@@ -3285,7 +3278,7 @@ bool wxPropertyGrid::DoOnValidationFailure( wxPGProperty* property, wxVariant& W
     {
         wxString msg = m_validationInfo.m_failureMessage;
 
     {
         wxString msg = m_validationInfo.m_failureMessage;
 

-        if ( !msg.length() )
+        if ( msg.empty() )

             msg = _("You have entered invalid value. Press ESC to cancel editing.");
 
     #if wxUSE_STATUSBAR
             msg = _("You have entered invalid value. Press ESC to cancel editing.");
 
     #if wxUSE_STATUSBAR


@@ -3537,13 +3530,19 @@ bool wxPropertyGrid::DoEditorValidate()
 
 // -----------------------------------------------------------------------
 
 
 // -----------------------------------------------------------------------
 

-void wxPropertyGrid::HandleCustomEditorEvent( wxEvent &event )
+bool wxPropertyGrid::HandleCustomEditorEvent( wxEvent &event )

 {
 {

+    //
+    // NB: We should return true if the event was recognized as
+    //     a dedicated wxPropertyGrid event, and as such was
+    //     either properly handled or ignored.
+    //
+

     // It is possible that this handler receives event even before
     // the control has been properly initialized. Let's skip the
     // event handling in that case.
     if ( !m_pState )
     // It is possible that this handler receives event even before
     // the control has been properly initialized. Let's skip the
     // event handling in that case.
     if ( !m_pState )

-        return;
+        return false;

 
     // Don't care about the event if it originated from the
     // 'label editor'. In this function we only care about the
 
     // Don't care about the event if it originated from the
     // 'label editor'. In this function we only care about the


@@ -3551,7 +3550,7 @@ void wxPropertyGrid::HandleCustomEditorEvent( wxEvent &event )
     if ( m_labelEditor && event.GetId() == m_labelEditor->GetId() )
     {
         event.Skip();
     if ( m_labelEditor && event.GetId() == m_labelEditor->GetId() )
     {
         event.Skip();

-        return;
+        return true;

     }
 
     wxPGProperty* selected = GetSelection();
     }
 
     wxPGProperty* selected = GetSelection();


@@ -3565,10 +3564,10 @@ void wxPropertyGrid::HandleCustomEditorEvent( wxEvent &event )
           // similar is currently doing something (showing a
           // message box, for instance).
           m_processedEvent )
           // similar is currently doing something (showing a
           // message box, for instance).
           m_processedEvent )

-        return;
+        return true;

 
     if ( m_iFlags & wxPG_FL_IN_HANDLECUSTOMEDITOREVENT )
 
     if ( m_iFlags & wxPG_FL_IN_HANDLECUSTOMEDITOREVENT )

-        return;
+        return true;

 
     wxVariant pendingValue(selected->GetValueRef());
     wxWindow* wnd = GetEditorControl();
 
     wxVariant pendingValue(selected->GetValueRef());
     wxWindow* wnd = GetEditorControl();


@@ -3592,16 +3591,22 @@ void wxPropertyGrid::HandleCustomEditorEvent( wxEvent &event )
 
             wxString newTcValue = tc->GetValue();
             if ( m_prevTcValue == newTcValue )
 
             wxString newTcValue = tc->GetValue();
             if ( m_prevTcValue == newTcValue )

-                return;
+                return true;

             m_prevTcValue = newTcValue;
         }
         else if ( wnd->IsKindOf(CLASSINFO(wxComboCtrl)) )
         {
             m_prevTcValue = newTcValue;
         }
         else if ( wnd->IsKindOf(CLASSINFO(wxComboCtrl)) )
         {

+            // In some cases we might stumble unintentionally on
+            // wxComboCtrl's embedded wxTextCtrl's events. Let's
+            // avoid them.
+            if ( editorWnd->IsKindOf(CLASSINFO(wxTextCtrl)) )
+                return false;
+

             wxComboCtrl* cc = (wxComboCtrl*) wnd;
 
             wxString newTcValue = cc->GetTextCtrl()->GetValue();
             if ( m_prevTcValue == newTcValue )
             wxComboCtrl* cc = (wxComboCtrl*) wnd;
 
             wxString newTcValue = cc->GetTextCtrl()->GetValue();
             if ( m_prevTcValue == newTcValue )

-                return;
+                return true;

             m_prevTcValue = newTcValue;
         }
     }
             m_prevTcValue = newTcValue;
         }
     }


@@ -3610,6 +3615,7 @@ void wxPropertyGrid::HandleCustomEditorEvent( wxEvent &event )
 
     bool validationFailure = false;
     bool buttonWasHandled = false;
 
     bool validationFailure = false;
     bool buttonWasHandled = false;

+    bool result = false;

 
     //
     // Try common button handling
 
     //
     // Try common button handling


@@ -3637,6 +3643,8 @@ void wxPropertyGrid::HandleCustomEditorEvent( wxEvent &event )
 
             if ( editor->OnEvent( this, selected, editorWnd, event ) )
             {
 
             if ( editor->OnEvent( this, selected, editorWnd, event ) )
             {

+                result = true;
+

                 // If changes, validate them
                 if ( DoEditorValidate() )
                 {
                 // If changes, validate them
                 if ( DoEditorValidate() )
                 {


@@ -3710,12 +3718,15 @@ void wxPropertyGrid::HandleCustomEditorEvent( wxEvent &event )
         // Let unhandled button click events go to the parent
         if ( !buttonWasHandled && event.GetEventType() == wxEVT_COMMAND_BUTTON_CLICKED )
         {
         // Let unhandled button click events go to the parent
         if ( !buttonWasHandled && event.GetEventType() == wxEVT_COMMAND_BUTTON_CLICKED )
         {

+            result = true;

             wxCommandEvent evt(wxEVT_COMMAND_BUTTON_CLICKED,GetId());
             GetEventHandler()->AddPendingEvent(evt);
         }
     }
 
     ClearInternalFlag(wxPG_FL_IN_HANDLECUSTOMEDITOREVENT);
             wxCommandEvent evt(wxEVT_COMMAND_BUTTON_CLICKED,GetId());
             GetEventHandler()->AddPendingEvent(evt);
         }
     }
 
     ClearInternalFlag(wxPG_FL_IN_HANDLECUSTOMEDITOREVENT);

+
+    return result;

 }
 
 // -----------------------------------------------------------------------
 }
 
 // -----------------------------------------------------------------------


@@ -3891,6 +3902,14 @@ private:
 
         m_propGrid->HandleCustomEditorEvent(event);
 
 
         m_propGrid->HandleCustomEditorEvent(event);
 

+        //
+        // NB: We should return true if the event was recognized as
+        //     a dedicated wxPropertyGrid event, and as such was
+        //     either properly handled or ignored.
+        //
+        if ( m_propGrid->IsMainButtonEvent(event) )
+            return true;
+

         //
         // NB: On wxMSW, a wxTextCtrl with wxTE_PROCESS_ENTER
         //     may beep annoyingly if that event is skipped
         //
         // NB: On wxMSW, a wxTextCtrl with wxTE_PROCESS_ENTER
         //     may beep annoyingly if that event is skipped


@@ -3957,20 +3976,7 @@ void wxPropertyGrid::FreeEditors()
     // Return focus back to canvas from children (this is required at least for
     // GTK+, which, unlike Windows, clears focus when control is destroyed
     // instead of moving it to closest parent).
     // Return focus back to canvas from children (this is required at least for
     // GTK+, which, unlike Windows, clears focus when control is destroyed
     // instead of moving it to closest parent).

-    wxWindow* focus = wxWindow::FindFocus();
-    if ( focus )
-    {
-        wxWindow* parent = focus->GetParent();
-        while ( parent )
-        {
-            if ( parent == this )
-            {
-                SetFocusOnCanvas();
-                break;
-            }
-            parent = parent->GetParent();
-        }
-    }
+    SetFocusOnCanvas();

 
     // Do not free editors immediately if processing events
     if ( m_wndEditor2 )
 
     // Do not free editors immediately if processing events
     if ( m_wndEditor2 )


@@ -4314,7 +4320,7 @@ bool wxPropertyGrid::DoSelectProperty( wxPGProperty* p, unsigned int flags )
         wxStatusBar* statusbar = GetStatusBar();
         if ( statusbar )
         {
         wxStatusBar* statusbar = GetStatusBar();
         if ( statusbar )
         {

-            if ( pHelpString && pHelpString->length() )
+            if ( pHelpString && !pHelpString->empty() )

             {
                 // Set help box text.
                 statusbar->SetStatusText( *pHelpString );
             {
                 // Set help box text.
                 statusbar->SetStatusText( *pHelpString );


@@ -4336,7 +4342,7 @@ bool wxPropertyGrid::DoSelectProperty( wxPGProperty* p, unsigned int flags )
         //
         // Show help as a tool tip on the editor control.
         //
         //
         // Show help as a tool tip on the editor control.
         //

-        if ( pHelpString && pHelpString->length() &&
+        if ( pHelpString && !pHelpString->empty() &&

              primaryCtrl )
         {
             primaryCtrl->SetToolTip(*pHelpString);
              primaryCtrl )
         {
             primaryCtrl->SetToolTip(*pHelpString);


@@ -4563,6 +4569,11 @@ void wxPropertyGrid::RecalculateVirtualSize( int forceXPos )
     SetScrollbars( wxPG_PIXELS_PER_UNIT, wxPG_PIXELS_PER_UNIT,
                    xAmount, yAmount, xPos, yPos, true );
 
     SetScrollbars( wxPG_PIXELS_PER_UNIT, wxPG_PIXELS_PER_UNIT,
                    xAmount, yAmount, xPos, yPos, true );
 

+    // This may be needed in addition to calling SetScrollbars()
+    // when class inherits from wxScrollHelper instead of
+    // actual wxScrolled<T>.
+    AdjustScrollbars();
+

     // Must re-get size now
     GetClientSize(&width,&height);
 
     // Must re-get size now
     GetClientSize(&width,&height);
 


@@ -4596,7 +4607,6 @@ void wxPropertyGrid::OnResize( wxSizeEvent& event )
     m_width = width;
     m_height = height;
 
     m_width = width;
     m_height = height;
 

-#if wxPG_DOUBLE_BUFFER

     if ( !(GetExtraStyle() & wxPG_EX_NATIVE_DOUBLE_BUFFERING) )
     {
         int dblh = (m_lineHeight*2);
     if ( !(GetExtraStyle() & wxPG_EX_NATIVE_DOUBLE_BUFFERING) )
     {
         int dblh = (m_lineHeight*2);


@@ -4624,8 +4634,6 @@ void wxPropertyGrid::OnResize( wxSizeEvent& event )
         }
     }
 
         }
     }
 

-#endif
-

     m_pState->OnClientWidthChange( width, event.GetSize().x - m_ncWidth, true );
     m_ncWidth = event.GetSize().x;
 
     m_pState->OnClientWidthChange( width, event.GetSize().x - m_ncWidth, true );
     m_ncWidth = event.GetSize().x;
 


@@ -4661,7 +4669,24 @@ void wxPropertyGrid::SetVirtualWidth( int width )
 
 void wxPropertyGrid::SetFocusOnCanvas()
 {
 
 void wxPropertyGrid::SetFocusOnCanvas()
 {

-    SetFocus();
+    // To prevent wxPropertyGrid from stealing focus from other controls,
+    // only move focus to the grid if it was already in one if its child
+    // controls.
+    wxWindow* focus = wxWindow::FindFocus();
+    if ( focus )
+    {
+        wxWindow* parent = focus->GetParent();
+        while ( parent )
+        {
+            if ( parent == this )
+            {
+                SetFocus();
+                break;
+            }
+            parent = parent->GetParent();
+        }
+    }
+

     m_editorFocused = 0;
 }
 
     m_editorFocused = 0;
 }
 


@@ -4794,7 +4819,7 @@ bool wxPropertyGrid::HandleMouseClick( int x, unsigned int y, wxMouseEvent &even
                     }
 
                 // Do not Skip() the event after selection has been made.
                     }
 
                 // Do not Skip() the event after selection has been made.

-                // Otherwise default event handling behavior kicks in
+                // Otherwise default event handling behaviour kicks in

                 // and may revert focus back to the main canvas.
                 res = true;
             }
                 // and may revert focus back to the main canvas.
                 res = true;
             }


@@ -5184,7 +5209,7 @@ bool wxPropertyGrid::HandleMouseUp( int x, unsigned int WXUNUSED(y),
         // Disable splitter auto-centering (but only if moved any -
         // otherwise we end up disabling auto-center even after a
         // recentering double-click).
         // Disable splitter auto-centering (but only if moved any -
         // otherwise we end up disabling auto-center even after a
         // recentering double-click).

-        int posDiff = abs(m_startingSplitterX - 
+        int posDiff = abs(m_startingSplitterX -

                           GetSplitterPosition(m_draggedSplitter));
 
         if ( posDiff > 1 )
                           GetSplitterPosition(m_draggedSplitter));
 
         if ( posDiff > 1 )


@@ -5657,6 +5682,12 @@ void wxPropertyGrid::HandleKeyEvent( wxKeyEvent &event, bool fromChild )
 
         wxPGProperty* p = selected;
 
 
         wxPGProperty* p = selected;
 

+        if ( action == wxPG_ACTION_EDIT && !editorFocused )
+        {
+            DoSelectProperty( p, wxPG_SEL_FOCUS );
+            wasHandled = true;
+        }
+

         // Travel and expand/collapse
         int selectDir = -2;
 
         // Travel and expand/collapse
         int selectDir = -2;
 


@@ -5984,7 +6015,7 @@ wxPGEditor* wxPropertyGrid::DoRegisterEditorClass( wxPGEditor* editorClass,
         RegisterDefaultEditors();
 
     wxString name = editorName;
         RegisterDefaultEditors();
 
     wxString name = editorName;

-    if ( name.length() == 0 )
+    if ( name.empty() )

         name = editorClass->GetName();
 
     // Existing editor under this name?
         name = editorClass->GetName();
 
     // Existing editor under this name?


@@ -6385,7 +6416,7 @@ wxPGChoices wxPropertyGridPopulator::ParseChoices( const wxString& choicesString
     else
     {
         bool found = false;
     else
     {
         bool found = false;

-        if ( idString.length() )
+        if ( !idString.empty() )

         {
             wxPGHashMapS2P::iterator it = m_dictIdChoices.find(idString);
             if ( it != m_dictIdChoices.end() )
         {
             wxPGHashMapS2P::iterator it = m_dictIdChoices.find(idString);
             if ( it != m_dictIdChoices.end() )


@@ -6461,7 +6492,7 @@ wxPGChoices wxPropertyGridPopulator::ParseChoices( const wxString& choicesString
             }
 
             // Assign to id
             }
 
             // Assign to id

-            if ( idString.length() )
+            if ( !idString.empty() )

                 m_dictIdChoices[idString] = choices.GetData();
         }
     }
                 m_dictIdChoices[idString] = choices.GetData();
         }
     }


@@ -6502,7 +6533,7 @@ bool wxPropertyGridPopulator::AddAttribute( const wxString& name,
     wxString valuel = value.Lower();
     wxVariant variant;
 
     wxString valuel = value.Lower();
     wxVariant variant;
 

-    if ( type.length() == 0 )
+    if ( type.empty() )

     {
         long v;
 
     {
         long v;