- unsigned int i;
- for (i = 0; i < 1000; i++)
- m_list.Add( wxT("Test") );
- for (i = 0; i < 500; i++)
- { m_bools.Add( 0 ); m_bools.Add( 1 ); }
- for (i = 0; i < 500; i++)
- { m_colours.Add( wxT("red") ); m_colours.Add( wxT("green") ); }
- for (i = 0; i < 1000; i++)
- { m_progress.Add( i/10 ); }
- for (i = 0; i < 1000; i++)
- {
- wxDateTime *date = new wxDateTime( wxDateTime::Now() );
- m_dates.Append( date );
- }
+ m_parent = parent;
+ m_title = title;
+ m_artist = artist;
+ m_year = year;
+ m_quality = "good";
+ m_isContainer = false;
+ }
+
+ MyMusicModelNode( MyMusicModelNode* parent,
+ const wxString &branch )
+ {
+ m_parent = parent;
+ m_title = branch;
+ m_year = -1;
+ m_isContainer = true;
+ }
+
+ ~MyMusicModelNode()
+ {
+ size_t count = m_children.GetCount();
+ size_t i;
+ for (i = 0; i < count; i++)
+ {
+ MyMusicModelNode *child = m_children[i];
+ delete child;
+ }
+ }
+
+ bool IsContainer() { return m_isContainer; }
+
+ MyMusicModelNode* GetParent() { return m_parent; }
+ MyMusicModelNodes &GetChildren() { return m_children; }
+ MyMusicModelNode* GetNthChild( unsigned int n ) { return m_children.Item( n ); }
+ void Insert( MyMusicModelNode* child, unsigned int n) { m_children.Insert( child, n); }
+ void Append( MyMusicModelNode* child ) { m_children.Add( child ); }
+ unsigned int GetChildCount() { return m_children.GetCount(); }
+
+public:
+ wxString m_title;
+ wxString m_artist;
+ int m_year;
+ wxString m_quality;
+
+private:
+ MyMusicModelNode *m_parent;
+ MyMusicModelNodes m_children;
+ bool m_isContainer;
+};
+
+
+class MyMusicModel: public wxDataViewModel
+{
+public:
+
+ // constructor
+
+ MyMusicModel()
+ {
+ m_root = new MyMusicModelNode( NULL, wxT("My Music" ));
+ m_pop = new MyMusicModelNode( m_root, wxT("Pop music") );
+ m_root->Append( m_pop );
+ m_pop->Append( new MyMusicModelNode( m_pop,
+ wxT("You are not alone"), wxT("Michael Jackson"), 1995 ) );
+ m_pop->Append( new MyMusicModelNode( m_pop,
+ wxT("Take a bow"), wxT("Madonna"), 1994 ) );
+ m_classical = new MyMusicModelNode( m_root, wxT("Classical music") );
+ m_root->Append( m_classical );
+ m_ninth = new MyMusicModelNode( m_classical,
+ wxT("Ninth symphony"), wxT("Ludwig van Beethoven"), 1824 );
+ m_classical->Append( m_ninth );
+ m_classical->Append( new MyMusicModelNode( m_classical,
+ wxT("German Requiem"), wxT("Johannes Brahms"), 1868 ) );
+ m_classicalMusicIsKnownToControl = false;
+ }
+
+ ~MyMusicModel()
+ {
+ delete m_root;
+ }
+
+ // helper method for wxLog
+
+ wxString GetTitle( const wxDataViewItem &item ) const
+ {
+ MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
+ if (!node)
+ return wxEmptyString;
+
+ return node->m_title;
+ }
+
+ int GetYear( const wxDataViewItem &item ) const
+ {
+ MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
+ if (!node)
+ return 2000;
+
+ return node->m_year;
+ }
+
+ // helper methods to change the model
+
+ void AddToClassical( const wxString &title, const wxString &artist, int year )
+ {
+ // add to data
+ MyMusicModelNode *child_node =
+ new MyMusicModelNode( m_classical, title, artist, year );
+
+ m_classical->Append( child_node );
+
+ if (m_classicalMusicIsKnownToControl)
+ {
+ // notify control
+ wxDataViewItem child( (void*) child_node );
+ wxDataViewItem parent( (void*) m_classical );
+ ItemAdded( parent, child );
+ }
projects / wxWidgets.git / blobdiff