X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6e2e590f2adca1d43ab654c2128459ebc339c87d..c6a6bbbf637a5a580b7ab182483d27522f5e3189:/src/common/datavcmn.cpp

diff --git a/src/common/datavcmn.cpp b/src/common/datavcmn.cpp
index 2cd8efd21b..73fa33d507 100644
--- a/src/common/datavcmn.cpp
+++ b/src/common/datavcmn.cpp
@@ -15,127 +15,809 @@
     #pragma hdrstop
 #endif
 
-#include "wx/object.h"
+#if wxUSE_DATAVIEWCTRL
+
 #include "wx/dataview.h"
-#include "wx/log.h"
-#include "wx/image.h"
 
-// --------------------------------------------------------- 
-// wxDataViewModel
-// --------------------------------------------------------- 
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+#endif
 
-IMPLEMENT_ABSTRACT_CLASS(wxDataViewModel, wxObject)
+const wxChar wxDataViewCtrlNameStr[] = wxT("dataviewCtrl");
 
-// --------------------------------------------------------- 
-// wxDataViewListModel
-// --------------------------------------------------------- 
 
-IMPLEMENT_ABSTRACT_CLASS(wxDataViewListModel, wxDataViewModel)
+// ---------------------------------------------------------
+// wxDataViewListModel
+// ---------------------------------------------------------
 
 wxDataViewListModel::wxDataViewListModel()
 {
-    m_notifier = NULL;
+    m_viewingColumns.DeleteContents( true );
+    m_notifiers.DeleteContents( true );
 }
 
 wxDataViewListModel::~wxDataViewListModel()
 {
-    if (m_notifier)
-        delete m_notifier;
+    wxList::compatibility_iterator node = m_notifiers.GetFirst();
+    while (node)
+    {
+        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
+        notifier->Freed();
+        node = node->GetNext();
+    }
 }
 
 bool wxDataViewListModel::RowAppended()
 {
-    if (m_notifier)
-        return m_notifier->RowAppended();
-        
-    return false;
+    bool ret = true;
+
+    wxList::compatibility_iterator node = m_notifiers.GetFirst();
+    while (node)
+    {
+        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
+        if (!notifier->RowAppended())
+            ret = false;
+        node = node->GetNext();
+    }
+
+    return ret;
 }
 
 bool wxDataViewListModel::RowPrepended()
 {
-    if (m_notifier)
-        return m_notifier->RowPrepended();
-        
-    return false;
+    bool ret = true;
+
+    wxList::compatibility_iterator node = m_notifiers.GetFirst();
+    while (node)
+    {
+        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
+        if (!notifier->RowPrepended())
+            ret = false;
+        node = node->GetNext();
+    }
+
+    return ret;
 }
 
-bool wxDataViewListModel::RowInserted( size_t before )
+bool wxDataViewListModel::RowInserted( unsigned int before )
 {
-    if (m_notifier)
-        return m_notifier->RowInserted( before );
-        
-    return false;
+    bool ret = true;
+
+    wxList::compatibility_iterator node = m_notifiers.GetFirst();
+    while (node)
+    {
+        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
+        if (!notifier->RowInserted(before))
+            ret = false;
+        node = node->GetNext();
+    }
+
+    return ret;
 }
 
-bool wxDataViewListModel::RowDeleted( size_t row )
+bool wxDataViewListModel::RowDeleted( unsigned int row )
 {
-    if (m_notifier)
-        return m_notifier->RowDeleted( row );
-        
-    return false;
+    bool ret = true;
+
+    wxList::compatibility_iterator node = m_notifiers.GetFirst();
+    while (node)
+    {
+        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
+        if (!notifier->RowDeleted( row ))
+            ret = false;
+        node = node->GetNext();
+    }
+
+    return ret;
 }
 
-bool wxDataViewListModel::RowChanged( size_t row )
+bool wxDataViewListModel::RowChanged( unsigned int row )
 {
-    if (m_notifier)
-        return m_notifier->RowChanged( row );
-        
-    return false;
+    bool ret = true;
+
+    wxList::compatibility_iterator node = m_notifiers.GetFirst();
+    while (node)
+    {
+        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
+        if (!notifier->RowChanged( row ))
+            ret = false;
+        node = node->GetNext();
+    }
+
+    return ret;
 }
 
-bool wxDataViewListModel::ValueChanged( size_t row, size_t col )
+bool wxDataViewListModel::ValueChanged( unsigned int col, unsigned int row )
 {
-    if (m_notifier)
-        return m_notifier->RowAppended();
-        
-    return false;
+    bool ret = true;
+
+    wxList::compatibility_iterator node = m_notifiers.GetFirst();
+    while (node)
+    {
+        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
+        if (!notifier->ValueChanged( col, row ))
+            ret = false;
+        node = node->GetNext();
+    }
+
+    return ret;
+}
+
+bool wxDataViewListModel::RowsReordered( unsigned int *new_order )
+{
+    bool ret = true;
+
+    wxList::compatibility_iterator node = m_notifiers.GetFirst();
+    while (node)
+    {
+        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
+        if (!notifier->RowsReordered( new_order ))
+            ret = false;
+        node = node->GetNext();
+    }
+
+    return ret;
 }
 
 bool wxDataViewListModel::Cleared()
 {
-    if (m_notifier)
-        return m_notifier->Cleared();
-        
+    bool ret = true;
+
+    wxList::compatibility_iterator node = m_notifiers.GetFirst();
+    while (node)
+    {
+        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
+        if (!notifier->Cleared())
+            ret = false;
+        node = node->GetNext();
+    }
+
+    return ret;
+}
+
+void wxDataViewListModel::AddViewingColumn( wxDataViewColumn *view_column, unsigned int model_column )
+{
+    m_viewingColumns.Append( new wxDataViewViewingColumn( view_column, model_column ) );
+}
+
+void wxDataViewListModel::RemoveViewingColumn( wxDataViewColumn *column )
+{
+    wxList::compatibility_iterator node = m_viewingColumns.GetFirst();
+    while (node)
+    {
+        wxDataViewViewingColumn* tmp = (wxDataViewViewingColumn*) node->GetData();
+
+        if (tmp->m_viewColumn == column)
+        {
+            m_viewingColumns.DeleteObject( tmp );
+            return;
+        }
+
+        node = node->GetNext();
+    }
+}
+
+void wxDataViewListModel::AddNotifier( wxDataViewListModelNotifier *notifier )
+{
+    m_notifiers.Append( notifier );
+    notifier->SetOwner( this );
+}
+
+void wxDataViewListModel::RemoveNotifier( wxDataViewListModelNotifier *notifier )
+{
+    m_notifiers.DeleteObject( notifier );
+}
+
+// ---------------------------------------------------------
+// wxDataViewSortedListModelNotifier
+// ---------------------------------------------------------
+
+class wxDataViewSortedListModelNotifier: public wxDataViewListModelNotifier
+{
+public:
+    wxDataViewSortedListModelNotifier( wxDataViewSortedListModel *model )
+        { m_model = model; }
+
+    virtual bool RowAppended()
+        { return m_model->ChildRowAppended(); }
+
+    virtual bool RowPrepended()
+        { return m_model->ChildRowPrepended(); }
+
+    virtual bool RowInserted( unsigned int before )
+        { return m_model->ChildRowInserted( before ); }
+
+    virtual bool RowDeleted( unsigned int row )
+        { return m_model->ChildRowDeleted( row ); }
+
+    virtual bool RowChanged( unsigned int row )
+        { return m_model->ChildRowChanged( row ); }
+
+    virtual bool ValueChanged( unsigned int col, unsigned int row )
+        { return m_model->ChildValueChanged( col, row); }
+
+    virtual bool RowsReordered( unsigned int *new_order )
+        { return m_model->ChildRowsReordered( new_order ); }
+
+    virtual bool Cleared()
+        { return m_model->ChildCleared(); }
+
+    virtual bool Freed()
+        { m_model->m_child = NULL; return wxDataViewListModelNotifier::Freed(); }
+
+    wxDataViewSortedListModel *m_model;
+};
+
+// ---------------------------------------------------------
+// wxDataViewSortedListModel compare function
+// ---------------------------------------------------------
+
+int wxCALLBACK wxDataViewListModelSortedDefaultCompare
+      (unsigned int row1, unsigned int row2, unsigned int col, wxDataViewListModel* model )
+{
+    wxVariant value1,value2;
+    model->GetValue( value1, col, row1 );
+    model->GetValue( value2, col, row2 );
+    if (value1.GetType() == wxT("string"))
+    {
+        wxString str1 = value1.GetString();
+        wxString str2 = value2.GetString();
+        return str1.Cmp( str2 );
+    }
+    if (value1.GetType() == wxT("long"))
+    {
+        long l1 = value1.GetLong();
+        long l2 = value2.GetLong();
+        return l1-l2;
+    }
+    if (value1.GetType() == wxT("double"))
+    {
+        double d1 = value1.GetDouble();
+        double d2 = value2.GetDouble();
+        if (d1 == d2) return 0;
+        if (d1 < d2) return 1;
+        return -1;
+    }
+    if (value1.GetType() == wxT("datetime"))
+    {
+        wxDateTime dt1 = value1.GetDateTime();
+        wxDateTime dt2 = value2.GetDateTime();
+        if (dt1.IsEqualTo(dt2)) return 0;
+        if (dt1.IsEarlierThan(dt2)) return 1;
+        return -1;
+    }
+
+    return 0;
+}
+
+int wxCALLBACK wxDataViewListModelSortedDefaultCompareDescending
+      (unsigned int row1, unsigned int row2, unsigned int col, wxDataViewListModel* model )
+{
+    return wxDataViewListModelSortedDefaultCompare( row2, row1, col, model );
+}
+
+static wxDataViewListModelCompare   s_CmpFunc;
+static wxDataViewListModel         *s_CmpModel;
+static unsigned int                 s_CmpCol;
+
+int LINKAGEMODE wxDataViewIntermediateCmp( unsigned int row1, unsigned int row2 )
+{
+    return s_CmpFunc( row1, row2, s_CmpCol, s_CmpModel );
+}
+
+// ---------------------------------------------------------
+// wxDataViewSortedListModel
+// ---------------------------------------------------------
+
+wxDataViewSortedListModel::wxDataViewSortedListModel( wxDataViewListModel *child ) :
+  m_array( wxDataViewIntermediateCmp )
+{
+    m_child = child;
+    
+    m_ascending = true;
+
+    m_notifierOnChild = new wxDataViewSortedListModelNotifier( this );
+    m_child->AddNotifier( m_notifierOnChild );
+
+    Resort();
+}
+
+wxDataViewSortedListModel::~wxDataViewSortedListModel()
+{
+    if (m_child)
+    m_child->RemoveNotifier( m_notifierOnChild );
+}
+
+// FIXME
+void wxDataViewSortedListModel::InitStatics()
+{
+    s_CmpCol = 0;
+    s_CmpModel = m_child;
+    if (m_ascending)
+        s_CmpFunc = wxDataViewListModelSortedDefaultCompare;
+    else
+        s_CmpFunc = wxDataViewListModelSortedDefaultCompareDescending;
+}
+
+void wxDataViewSortedListModel::Resort()
+{
+    InitStatics();
+    
+    m_array.Clear();
+    unsigned int n = m_child->GetRowCount();
+    unsigned int i;
+    for (i = 0; i < n; i++)
+        m_array.Add( i );
+}
+
+#if 0
+static void Dump( wxDataViewListModel *model, unsigned int col )
+{
+    unsigned int n = model->GetRowCount();
+    unsigned int i;
+    for (i = 0; i < n; i++)
+    {
+        wxVariant variant;
+        model->GetValue( variant, col, i );
+        wxString tmp;
+        tmp = variant.GetString();
+        wxPrintf( wxT("%d: %s\n"), (int) i, tmp.c_str() );
+    }
+}
+#endif
+
+bool wxDataViewSortedListModel::ChildRowAppended()
+{
+    // no need to fix up array
+
+    unsigned int len = m_array.GetCount();
+
+    unsigned int pos = m_array.Add( len );
+
+    if (pos == 0)
+        return wxDataViewListModel::RowPrepended();
+
+    if (pos == len)
+        return wxDataViewListModel::RowAppended();
+
+    return wxDataViewListModel::RowInserted( pos );
+}
+
+bool wxDataViewSortedListModel::ChildRowPrepended()
+{
+    // fix up array
+    unsigned int i;
+    unsigned int len = m_array.GetCount();
+    for (i = 0; i < len; i++)
+    {
+        unsigned int value = m_array[i];
+        m_array[i] = value+1;
+    }
+
+    unsigned int pos = m_array.Add( 0 );
+
+    if (pos == 0)
+        return wxDataViewListModel::RowPrepended();
+
+    if (pos == len)
+        return wxDataViewListModel::RowAppended();
+
+    return wxDataViewListModel::RowInserted( pos );
+}
+
+bool wxDataViewSortedListModel::ChildRowInserted( unsigned int before )
+{
+    // fix up array
+    unsigned int i;
+    unsigned int len = m_array.GetCount();
+    for (i = 0; i < len; i++)
+    {
+        unsigned int value = m_array[i];
+        if (value >= before)
+           m_array[i] = value+1;
+    }
+
+    unsigned int pos = m_array.Add( before );
+
+    if (pos == 0)
+        return wxDataViewListModel::RowPrepended();
+
+    if (pos == len)
+        return wxDataViewListModel::RowAppended();
+
+    return wxDataViewListModel::RowInserted( pos );
+}
+
+bool wxDataViewSortedListModel::ChildRowDeleted( unsigned int row )
+{
+    unsigned int i;
+    unsigned int len = m_array.GetCount();
+    int pos = -1;
+    for (i = 0; i < len; i++)
+    {
+        unsigned int value = m_array[i];
+        if (value == row)
+        {
+            // delete later
+            pos = (int) i;
+        }
+        else
+        {
+            // Fix up array
+            if (value > row)
+                m_array[i] = value-1;
+        }
+    }
+
+    if (pos == -1)
+        return false; // we should probably assert
+
+    // remove
+    m_array.RemoveAt( (unsigned int) pos );
+
+    return wxDataViewListModel::RowDeleted( (unsigned int) pos);
+}
+
+bool wxDataViewSortedListModel::ChildRowChanged( unsigned int row )
+{
+    unsigned int i;
+    unsigned int len = m_array.GetCount();
+
+    // Remove and readd sorted. Find out at which
+    // position it was and where it ended.
+    unsigned int start_pos = 0,end_pos = 0;
+    for (i = 0; i < len; i++)
+        if (m_array[i] == row)
+        {
+            start_pos = i;
+            break;
+        }
+    m_array.RemoveAt( start_pos );
+    m_array.Add( row );
+
+    for (i = 0; i < len; i++)
+        if (m_array[i] == row)
+        {
+            end_pos = i;
+            break;
+        }
+
+    if (end_pos == start_pos)
+        return wxDataViewListModel::RowChanged( start_pos );
+
+    // Create an array where order[old] -> new_pos, so that
+    // if nothing changed order[0] -> 0 etc.
+    unsigned int *order = new unsigned int[ len ];
+    // Fill up initial values.
+    for (i = 0; i < len; i++)
+        order[i] = i;
+
+    if (start_pos < end_pos)
+    {
+        for (i = start_pos; i < end_pos; i++)
+            order[i] = order[i+1];
+        order[end_pos] = start_pos;
+    }
+    else
+    {
+        for (i = end_pos; i > start_pos; i--)
+            order[i] = order[i-1];
+        order[start_pos] = end_pos;
+    }
+
+    wxDataViewListModel::RowsReordered( order );
+
+    delete [] order;
+
+    return true;
+}
+
+bool wxDataViewSortedListModel::ChildValueChanged( unsigned int col, unsigned int row )
+{
+    unsigned int i;
+    unsigned int len = m_array.GetCount();
+
+    // Remove and readd sorted. Find out at which
+    // position it was and where it ended.
+    unsigned int start_pos = 0,end_pos = 0;
+    for (i = 0; i < len; i++)
+        if (m_array[i] == row)
+        {
+            start_pos = i;
+            break;
+        }
+    m_array.RemoveAt( start_pos );
+    m_array.Add( row );
+
+    for (i = 0; i < len; i++)
+        if (m_array[i] == row)
+        {
+            end_pos = i;
+            break;
+        }
+
+    if (end_pos == start_pos)
+        return wxDataViewListModel::ValueChanged( col, start_pos );
+
+    // Create an array where order[old] -> new_pos, so that
+    // if nothing changed order[0] -> 0 etc.
+    unsigned int *order = new unsigned int[ len ];
+    // Fill up initial values.
+    for (i = 0; i < len; i++)
+        order[i] = i;
+
+    if (start_pos < end_pos)
+    {
+        for (i = start_pos; i < end_pos; i++)
+            order[i] = order[i+1];
+        order[end_pos] = start_pos;
+    }
+    else
+    {
+        for (i = end_pos; i > start_pos; i--)
+            order[i] = order[i-1];
+        order[start_pos] = end_pos;
+    }
+
+    wxDataViewListModel::RowsReordered( order );
+
+    delete [] order;
+
+    return true;
+}
+
+bool wxDataViewSortedListModel::ChildRowsReordered( unsigned int *WXUNUSED(new_order) )
+{
+    // Nothing needs to be done. If the sort criteria
+    // of this list don't change, the order of the
+    // items of the child list isn't relevant.
+    return true;
+}
+
+bool wxDataViewSortedListModel::ChildCleared()
+{
+    return wxDataViewListModel::Cleared();
+}
+
+unsigned int wxDataViewSortedListModel::GetRowCount() const
+{
+    return m_array.GetCount();
+}
+
+unsigned int wxDataViewSortedListModel::GetColumnCount() const
+{
+    return m_child->GetColumnCount();
+}
+
+wxString wxDataViewSortedListModel::GetColumnType( unsigned int col ) const
+{
+    return m_child->GetColumnType( col );
+}
+
+void wxDataViewSortedListModel::GetValue( wxVariant &variant, unsigned int col, unsigned int row ) const
+{
+    unsigned int child_row = m_array[row];
+    m_child->GetValue( variant, col, child_row );
+}
+
+bool wxDataViewSortedListModel::SetValue( wxVariant &variant, unsigned int col, unsigned int row )
+{
+    unsigned int child_row = m_array[row];
+    bool ret = m_child->SetValue( variant, col, child_row );
+
+    // Do nothing here as the change in the
+    // child model will be reported back.
+
+    return ret;
+}
+
+bool wxDataViewSortedListModel::RowAppended()
+{
+    // you can only append
+    bool ret = m_child->RowAppended();
+
+    // Do nothing here as the change in the
+    // child model will be reported back.
+
+    return ret;
+}
+
+bool wxDataViewSortedListModel::RowPrepended()
+{
+    // you can only append
+    bool ret = m_child->RowAppended();
+
+    // Do nothing here as the change in the
+    // child model will be reported back.
+
+    return ret;
+}
+
+bool wxDataViewSortedListModel::RowInserted( unsigned int WXUNUSED(before) )
+{
+    // you can only append
+    bool ret = m_child->RowAppended();
+
+    // Do nothing here as the change in the
+    // child model will be reported back.
+
+    return ret;
+}
+
+bool wxDataViewSortedListModel::RowDeleted( unsigned int row )
+{
+    unsigned int child_row = m_array[row];
+
+    bool ret = m_child->RowDeleted( child_row );
+
+    // Do nothing here as the change in the
+    // child model will be reported back.
+
+    return ret;
+}
+
+bool wxDataViewSortedListModel::RowChanged( unsigned int row )
+{
+    unsigned int child_row = m_array[row];
+    bool ret = m_child->RowChanged( child_row );
+
+    // Do nothing here as the change in the
+    // child model will be reported back.
+
+    return ret;
+}
+
+bool wxDataViewSortedListModel::ValueChanged( unsigned int col, unsigned int row )
+{
+    unsigned int child_row = m_array[row];
+    bool ret = m_child->ValueChanged( col, child_row );
+
+    // Do nothing here as the change in the
+    // child model will be reported back.
+
+    return ret;
+}
+
+bool wxDataViewSortedListModel::RowsReordered( unsigned int *WXUNUSED(new_order) )
+{
+    // We sort them ourselves.
+
     return false;
 }
 
-void wxDataViewListModel::SetNotifier( wxDataViewListModelNotifier *notifier )
+bool wxDataViewSortedListModel::Cleared()
+{
+    bool ret = m_child->Cleared();
+
+    // Do nothing here as the change in the
+    // child model will be reported back.
+
+    return ret;
+}
+
+// ---------------------------------------------------------
+// wxDataViewRendererBase
+// ---------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewRendererBase, wxObject)
+
+wxDataViewRendererBase::wxDataViewRendererBase( const wxString &varianttype, 
+                                                wxDataViewCellMode WXUNUSED(mode),
+                                                int WXUNUSED(align) )
+{
+    m_variantType = varianttype;
+}
+
+const wxDataViewCtrl* wxDataViewRendererBase::GetView() const
 {
-    if (m_notifier)
-        delete m_notifier;
-        
-   m_notifier = notifier;
+    return wx_const_cast(wxDataViewRendererBase*, this)->GetOwner()->GetOwner();
+}
+
+// ---------------------------------------------------------
+// wxDataViewColumnBase
+// ---------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumnBase, wxObject)
+
+wxDataViewColumnBase::wxDataViewColumnBase(const wxString& WXUNUSED(title),
+                                           wxDataViewRenderer *renderer,
+                                           unsigned int model_column,
+                                           int WXUNUSED(width),
+                                           wxAlignment WXUNUSED(align),
+                                           int WXUNUSED(flags)) 
+{
+    m_renderer = renderer;
+    m_model_column = model_column;
+    m_owner = NULL;
+    m_renderer->SetOwner( (wxDataViewColumn*) this );
+
+    // NOTE: the wxDataViewColumn's ctor must store the width, align, flags
+    //       parameters inside the native control!
 }
 
-wxDataViewListModelNotifier* wxDataViewListModel::GetNotifier()
+wxDataViewColumnBase::wxDataViewColumnBase(const wxBitmap& bitmap,
+                                           wxDataViewRenderer *renderer,
+                                           unsigned int model_column,
+                                           int WXUNUSED(width),
+                                           wxAlignment WXUNUSED(align),
+                                           int WXUNUSED(flags) ) 
 {
-    return m_notifier;
+    m_renderer = renderer;
+    m_model_column = model_column;
+    m_bitmap = bitmap;
+    m_owner = NULL;
+    m_renderer->SetOwner( (wxDataViewColumn*) this );
 }
 
-// --------------------------------------------------------- 
+wxDataViewColumnBase::~wxDataViewColumnBase()
+{
+    if (m_renderer)
+        delete m_renderer;
+
+    if (GetOwner())
+    {
+        GetOwner()->GetModel()->RemoveViewingColumn( (wxDataViewColumn*) this );
+    }
+}
+
+int wxDataViewColumnBase::GetFlags() const
+{
+    int ret = 0;
+
+    if (IsSortable())
+        ret |= wxDATAVIEW_COL_SORTABLE;
+    if (IsResizeable())
+        ret |= wxDATAVIEW_COL_RESIZABLE;
+    if (IsHidden())
+        ret |= wxDATAVIEW_COL_HIDDEN;
+
+    return ret;
+}
+
+void wxDataViewColumnBase::SetFlags(int flags)
+{
+    SetSortable((flags & wxDATAVIEW_COL_SORTABLE) != 0);
+    SetResizeable((flags & wxDATAVIEW_COL_RESIZABLE) != 0);
+    SetHidden((flags & wxDATAVIEW_COL_HIDDEN) != 0);
+}
+
+
+// ---------------------------------------------------------
 // wxDataViewCtrlBase
-// --------------------------------------------------------- 
+// ---------------------------------------------------------
 
 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCtrlBase, wxControl)
 
 wxDataViewCtrlBase::wxDataViewCtrlBase()
 {
     m_model = NULL;
+    m_cols.DeleteContents( true );
 }
 
 wxDataViewCtrlBase::~wxDataViewCtrlBase()
 {
+    // IMPORTANT: before calling DecRef() on our model (since it may 
+    //            result in a free() call), erase all columns (since
+    //            they hold a pointer to our model)
+    m_cols.Clear();
+
     if (m_model)
-        delete m_model;
+    {
+        m_model->DecRef();
+        m_model = NULL;
+    }
 }
 
 bool wxDataViewCtrlBase::AssociateModel( wxDataViewListModel *model )
 {
-    if (m_model)
-        delete m_model;
-        
+    if ( m_model )
+        m_model->DecRef();   // discard old model, if any
+
+    // add our own reference to the new model:
     m_model = model;
-    
+    if ( m_model )
+        m_model->IncRef(); 
+
     return true;
 }
 
@@ -144,3 +826,124 @@ wxDataViewListModel* wxDataViewCtrlBase::GetModel()
     return m_model;
 }
 
+bool wxDataViewCtrlBase::AppendTextColumn( const wxString &label, unsigned int model_column,
+                            wxDataViewCellMode mode, int width, wxAlignment align, int flags )
+{
+    return AppendColumn( new wxDataViewColumn( label, 
+        new wxDataViewTextRenderer( wxT("string"), mode, (int)align ), 
+        model_column, width, align, flags ) );
+}
+
+bool wxDataViewCtrlBase::AppendToggleColumn( const wxString &label, unsigned int model_column,
+                            wxDataViewCellMode mode, int width, wxAlignment align, int flags )
+{
+    return AppendColumn( new wxDataViewColumn( label, 
+        new wxDataViewToggleRenderer( wxT("bool"), mode, (int)align ), 
+        model_column, width, align, flags ) );
+}
+
+bool wxDataViewCtrlBase::AppendProgressColumn( const wxString &label, unsigned int model_column,
+                            wxDataViewCellMode mode, int width, wxAlignment align, int flags )
+{
+    return AppendColumn( new wxDataViewColumn( label, 
+        new wxDataViewProgressRenderer( wxEmptyString, wxT("long"), mode, (int)align ), 
+        model_column, width, align, flags ) );
+}
+
+bool wxDataViewCtrlBase::AppendDateColumn( const wxString &label, unsigned int model_column,
+                            wxDataViewCellMode mode, int width, wxAlignment align, int flags )
+{
+    return AppendColumn( new wxDataViewColumn( label, 
+        new wxDataViewDateRenderer( wxT("datetime"), mode, (int)align ), 
+        model_column, width, align, flags ) );
+}
+
+bool wxDataViewCtrlBase::AppendBitmapColumn( const wxString &label, unsigned int model_column,
+                            wxDataViewCellMode mode, int width, wxAlignment align, int flags )
+{
+    return AppendColumn( new wxDataViewColumn( label, 
+        new wxDataViewBitmapRenderer( wxT("wxBitmap"), mode, (int)align ), 
+        model_column, width, align, flags ) );
+}
+
+bool wxDataViewCtrlBase::AppendTextColumn( const wxBitmap &label, unsigned int model_column,
+                            wxDataViewCellMode mode, int width, wxAlignment align, int flags )
+{
+    return AppendColumn( new wxDataViewColumn( label, 
+        new wxDataViewTextRenderer( wxT("string"), mode, (int)align ), 
+        model_column, width, align, flags ) );
+}
+
+bool wxDataViewCtrlBase::AppendToggleColumn( const wxBitmap &label, unsigned int model_column,
+                            wxDataViewCellMode mode, int width, wxAlignment align, int flags )
+{
+    return AppendColumn( new wxDataViewColumn( label, 
+        new wxDataViewToggleRenderer( wxT("bool"), mode, (int)align ), 
+        model_column, width, align, flags ) );
+}
+
+bool wxDataViewCtrlBase::AppendProgressColumn( const wxBitmap &label, unsigned int model_column,
+                            wxDataViewCellMode mode, int width, wxAlignment align, int flags )
+{
+    return AppendColumn( new wxDataViewColumn( label, 
+        new wxDataViewProgressRenderer( wxEmptyString, wxT("long"), mode, (int)align ), 
+        model_column, width, align, flags ) );
+}
+
+bool wxDataViewCtrlBase::AppendDateColumn( const wxBitmap &label, unsigned int model_column,
+                            wxDataViewCellMode mode, int width, wxAlignment align, int flags )
+{
+    return AppendColumn( new wxDataViewColumn( label, 
+        new wxDataViewDateRenderer( wxT("datetime"), mode, (int)align ), 
+        model_column, width, align, flags ) );
+}
+
+bool wxDataViewCtrlBase::AppendBitmapColumn( const wxBitmap &label, unsigned int model_column,
+                            wxDataViewCellMode mode, int width, wxAlignment align, int flags )
+{
+    return AppendColumn( new wxDataViewColumn( label, 
+        new wxDataViewBitmapRenderer( wxT("wxBitmap"), mode, (int)align ), 
+        model_column, width, align, flags ) );
+}
+
+bool wxDataViewCtrlBase::AppendColumn( wxDataViewColumn *col )
+{
+    m_cols.Append( (wxObject*) col );
+    col->SetOwner( (wxDataViewCtrl*) this );
+    m_model->AddViewingColumn( col, col->GetModelColumn() );
+    return true;
+}
+
+unsigned int wxDataViewCtrlBase::GetColumnCount() const
+{
+    return m_cols.GetCount();
+}
+
+bool wxDataViewCtrlBase::DeleteColumn( unsigned int WXUNUSED(pos) )
+{
+    return false;
+}
+
+bool wxDataViewCtrlBase::ClearColumns()
+{
+    return false;
+}
+
+wxDataViewColumn* wxDataViewCtrlBase::GetColumn( unsigned int pos )
+{
+    return (wxDataViewColumn*) m_cols[ pos ];
+}
+
+// ---------------------------------------------------------
+// wxDataViewEvent
+// ---------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxDataViewEvent,wxNotifyEvent)
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_ROW_SELECTED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_ROW_ACTIVATED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK)
+
+
+#endif