virtual bool ValueChanged( const wxDataViewItem &item, unsigned int col ) = 0;
virtual bool Cleared() = 0;
+ // some platforms, such as GTK+, may need a two step procedure for ::Reset()
+ virtual bool BeforeReset() { return true; }
+ virtual bool AfterReset() { return Cleared(); }
+
virtual void Resort() = 0;
void SetOwner( wxDataViewModel *owner ) { m_owner = owner; }
bool IsDefault() const { return !(HasColour() || HasFont()); }
+ // Return the font based on the given one with this attribute applied to it.
+ wxFont GetEffectiveFont(const wxFont& font) const;
+
private:
wxColour m_colour;
bool m_bold;
return false;
}
+ // Override this if you want to disable specific items
+ virtual bool IsEnabled(const wxDataViewItem &WXUNUSED(item),
+ unsigned int WXUNUSED(col)) const
+ {
+ return true;
+ }
+
// define hierachy
virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const = 0;
virtual bool IsContainer( const wxDataViewItem &item ) const = 0;
bool ValueChanged( const wxDataViewItem &item, unsigned int col );
bool Cleared();
- // delegatd action
+ // some platforms, such as GTK+, may need a two step procedure for ::Reset()
+ bool BeforeReset();
+ bool AfterReset();
+
+
+ // delegated action
virtual void Resort();
void AddNotifier( wxDataViewModelNotifier *notifier );
virtual bool HasDefaultCompare() const { return false; }
// internal
+ virtual bool IsListModel() const { return false; }
virtual bool IsVirtualListModel() const { return false; }
protected:
return false;
}
+ virtual bool IsEnabledByRow(unsigned int WXUNUSED(row),
+ unsigned int WXUNUSED(col)) const
+ {
+ return true;
+ }
+
// helper methods provided by list models only
virtual unsigned GetRow( const wxDataViewItem &item ) const = 0;
+ // returns the number of rows
+ virtual unsigned int GetCount() const = 0;
// implement some base class pure virtual directly
virtual wxDataViewItem
{
return GetAttrByRow( GetRow(item), col, attr );
}
+
+ virtual bool IsEnabled(const wxDataViewItem &item, unsigned int col) const
+ {
+ return IsEnabledByRow( GetRow(item), col );
+ }
+
+
+ virtual bool IsListModel() const { return true; }
};
// ---------------------------------------------------------
int GetIndent() const
{ return m_indent; }
+ // Current item is the one used by the keyboard navigation, it is the same
+ // as the (unique) selected item in single selection mode so these
+ // functions are mostly useful for controls with wxDV_MULTIPLE style.
+ wxDataViewItem GetCurrentItem() const;
+ void SetCurrentItem(const wxDataViewItem& item);
+
virtual wxDataViewItem GetSelection() const = 0;
virtual int GetSelections( wxDataViewItemArray & sel ) const = 0;
virtual void SetSelections( const wxDataViewItemArray & sel ) = 0;
virtual void DoSetIndent() = 0;
private:
+ // Implementation of the public Set/GetCurrentItem() methods which are only
+ // called in multi selection case (for single selection controls their
+ // implementation is trivial and is done in the base class itself).
+ virtual wxDataViewItem DoGetCurrentItem() const = 0;
+ virtual void DoSetCurrentItem(const wxDataViewItem& item) = 0;
+
wxDataViewModel *m_model;
wxDataViewColumn *m_expander_column;
int m_indent ;
m_model(event.m_model),
m_value(event.m_value),
m_column(event.m_column),
- m_pos(m_pos),
+ m_pos(event.m_pos),
m_cacheFrom(event.m_cacheFrom),
m_cacheTo(event.m_cacheTo)
#if wxUSE_DRAG_AND_DROP
{ return (const wxDataViewListStore*) GetModel(); }
int ItemToRow(const wxDataViewItem &item) const
- { return item.IsOk() ? GetStore()->GetRow(item) : wxNOT_FOUND; }
+ { return item.IsOk() ? (int)GetStore()->GetRow(item) : wxNOT_FOUND; }
wxDataViewItem RowToItem(int row) const
{ return row == wxNOT_FOUND ? wxDataViewItem() : GetStore()->GetItem(row); }
+ int GetSelectedRow() const
+ { return ItemToRow(GetSelection()); }
+ void SelectRow(unsigned row)
+ { Select(RowToItem(row)); }
+ void UnselectRow(unsigned row)
+ { Unselect(RowToItem(row)); }
+ bool IsRowSelected(unsigned row) const
+ { return IsSelected(RowToItem(row)); }
+
bool AppendColumn( wxDataViewColumn *column, const wxString &varianttype );
bool PrependColumn( wxDataViewColumn *column, const wxString &varianttype );
bool InsertColumn( unsigned int pos, wxDataViewColumn *column, const wxString &varianttype );
wxDataViewItem GetNthChild( const wxDataViewItem& parent, unsigned int pos ) const;
int GetChildCount( const wxDataViewItem& parent ) const;
-
+
void SetItemText( const wxDataViewItem& item, const wxString &text );
wxString GetItemText( const wxDataViewItem& item ) const;
void SetItemIcon( const wxDataViewItem& item, const wxIcon &icon );