// Created: 06/01/06
// RCS-ID: $Id$
// Copyright: (c) Robert Roebling
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
MyMusicTreeModel::MyMusicTreeModel()
{
- m_root = new MyMusicTreeModelNode( NULL, wxT("My Music" ));
+ m_root = new MyMusicTreeModelNode( NULL, "My Music" );
// setup pop music
- m_pop = new MyMusicTreeModelNode( m_root, wxT("Pop music") );
+ m_pop = new MyMusicTreeModelNode( m_root, "Pop music" );
m_pop->Append(
- new MyMusicTreeModelNode( m_pop, wxT("You are not alone"), wxT("Michael Jackson"), 1995 ) );
+ new MyMusicTreeModelNode( m_pop, "You are not alone", "Michael Jackson", 1995 ) );
m_pop->Append(
- new MyMusicTreeModelNode( m_pop, wxT("Take a bow"), wxT("Madonna"), 1994 ) );
+ new MyMusicTreeModelNode( m_pop, "Take a bow", "Madonna", 1994 ) );
m_root->Append( m_pop );
// setup classical music
- m_classical = new MyMusicTreeModelNode( m_root, wxT("Classical music") );
- m_ninth = new MyMusicTreeModelNode( m_classical, wxT("Ninth symphony"),
- wxT("Ludwig van Beethoven"), 1824 );
+ m_classical = new MyMusicTreeModelNode( m_root, "Classical music" );
+ m_ninth = new MyMusicTreeModelNode( m_classical, "Ninth symphony",
+ "Ludwig van Beethoven", 1824 );
m_classical->Append( m_ninth );
- m_classical->Append( new MyMusicTreeModelNode( m_classical, wxT("German Requiem"),
- wxT("Johannes Brahms"), 1868 ) );
+ m_classical->Append( new MyMusicTreeModelNode( m_classical, "German Requiem",
+ "Johannes Brahms", 1868 ) );
m_root->Append( m_classical );
m_classicalMusicIsKnownToControl = false;
return node->m_title;
}
+wxString MyMusicTreeModel::GetArtist( const wxDataViewItem &item ) const
+{
+ MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) item.GetID();
+ if (!node) // happens if item.IsOk()==false
+ return wxEmptyString;
+
+ return node->m_artist;
+}
+
int MyMusicTreeModel::GetYear( const wxDataViewItem &item ) const
{
MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) item.GetID();
wxASSERT(m_root);
// it was removed: restore it
- m_classical = new MyMusicTreeModelNode( m_root, wxT("Classical music") );
+ m_classical = new MyMusicTreeModelNode( m_root, "Classical music" );
m_root->Append( m_classical );
+
+ // notify control
+ wxDataViewItem child( (void*) m_classical );
+ wxDataViewItem parent( (void*) m_root );
+ ItemAdded( parent, child );
}
// add to the classical music node a new node:
new MyMusicTreeModelNode( m_classical, title, artist, year );
m_classical->Append( child_node );
+ // FIXME: what's m_classicalMusicIsKnownToControl for?
if (m_classicalMusicIsKnownToControl)
{
// notify control
wxASSERT(node == m_root);
// don't make the control completely empty:
- wxLogError("Cannot remove the root item!");
+ wxLogError( "Cannot remove the root item!" );
return;
}
}
int MyMusicTreeModel::Compare( const wxDataViewItem &item1, const wxDataViewItem &item2,
- unsigned int column, bool ascending )
+ unsigned int column, bool ascending ) const
{
wxASSERT(item1.IsOk() && item2.IsOk());
// should never happen
variant = node->m_quality;
break;
case 4:
- // wxMac doesn't conceal the popularity progress renderer, return 0 for containers
- if (IsContainer(item))
- variant = (long) 0;
- else
- variant = (long) 80; // all music is very 80% popular
+ variant = 80L; // all music is very 80% popular
break;
case 5:
- // Make size of red square depend on year
if (GetYear(item) < 1900)
- variant = (long) 35;
+ variant = "old";
else
- variant = (long) 25;
+ variant = "new";
break;
default:
- wxLogError( wxT("MyMusicTreeModel::GetValue: wrong column %d"), col );
+ wxLogError( "MyMusicTreeModel::GetValue: wrong column %d", col );
}
}
return true;
default:
- wxLogError( wxT("MyMusicTreeModel::SetValue: wrong column") );
+ wxLogError( "MyMusicTreeModel::SetValue: wrong column" );
}
return false;
}
+bool MyMusicTreeModel::IsEnabled( const wxDataViewItem &item,
+ unsigned int col ) const
+{
+ wxASSERT(item.IsOk());
+
+ MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) item.GetID();
+
+ // disable Beethoven's ratings, his pieces can only be good
+ return !(col == 3 && node->m_artist.EndsWith("Beethoven"));
+}
+
wxDataViewItem MyMusicTreeModel::GetParent( const wxDataViewItem &item ) const
{
// the invisible root node has no parent
return *v1-*v2;
}
-#ifdef __WXMAC__
- #define INITIAL_NUMBER_OF_ITEMS 100
-#else
- #define INITIAL_NUMBER_OF_ITEMS 100000
-#endif
+#define INITIAL_NUMBER_OF_ITEMS 10000
MyListModel::MyListModel() :
wxDataViewVirtualListModel( INITIAL_NUMBER_OF_ITEMS )
{
- m_virtualItems = INITIAL_NUMBER_OF_ITEMS;
-
// the first 100 items are really stored in this model;
- // all the others are synthetized on request
- for (unsigned int i = 0; i < 100; i++)
+ // all the others are synthesized on request
+ static const unsigned NUMBER_REAL_ITEMS = 100;
+
+ m_textColValues.reserve(NUMBER_REAL_ITEMS);
+ m_textColValues.push_back("first row with long label to test ellipsization");
+ for (unsigned int i = 1; i < NUMBER_REAL_ITEMS; i++)
{
- wxString str;
- str.Printf( wxT("real row %d"), i );
- m_array.Add( str );
+ m_textColValues.push_back(wxString::Format("real row %d", i));
}
+ m_iconColValues.assign(NUMBER_REAL_ITEMS, "test");
+
m_icon[0] = wxIcon( null_xpm );
m_icon[1] = wxIcon( wx_small_xpm );
}
void MyListModel::Prepend( const wxString &text )
{
- m_array.Insert( text, 0 );
+ m_textColValues.Insert( text, 0 );
RowPrepended();
}
void MyListModel::DeleteItem( const wxDataViewItem &item )
{
unsigned int row = GetRow( item );
- if (row >= m_array.GetCount())
+
+ if (row >= m_textColValues.GetCount())
return;
- m_array.RemoveAt( row );
+ m_textColValues.RemoveAt( row );
RowDeleted( row );
}
{
unsigned i;
wxArrayInt rows;
- for (int i = 0; i < items.GetCount(); i++)
+ for (i = 0; i < items.GetCount(); i++)
{
unsigned int row = GetRow( items[i] );
- if (row < m_array.GetCount())
+ if (row < m_textColValues.GetCount())
rows.Add( row );
}
{
// none of the selected items were in the range of the items
// which we store... for simplicity, don't allow removing them
- wxLogError("Cannot remove rows with an index greater than %d", m_array.GetCount());
+ wxLogError( "Cannot remove rows with an index greater than %d", m_textColValues.GetCount() );
return;
}
// remaining indeces would all be wrong.
rows.Sort( my_sort_reverse );
for (i = 0; i < rows.GetCount(); i++)
- m_array.RemoveAt( rows[i] );
+ m_textColValues.RemoveAt( rows[i] );
// This is just to test if wxDataViewCtrl can
// cope with removing rows not sorted in
void MyListModel::AddMany()
{
- m_virtualItems += 1000;
- Reset( m_array.GetCount() + m_virtualItems );
+ Reset( GetCount()+1000 );
}
void MyListModel::GetValueByRow( wxVariant &variant,
unsigned int row, unsigned int col ) const
{
- if (col==0)
- {
- if (row >= m_array.GetCount())
- variant = wxString::Format( wxT("virtual row %d"), row );
- else
- variant = m_array[ row ];
- }
- else if (col==1)
+ switch ( col )
{
- wxDataViewIconText data( wxT("test"), m_icon[ row%2 ] );
- variant << data;
- }
- else if (col==2)
- {
- if (row >= m_array.GetCount())
- variant = wxT("plain");
- else
- variant = wxT("blue/green/red");
+ case Col_EditableText:
+ if (row >= m_textColValues.GetCount())
+ variant = wxString::Format( "virtual row %d", row );
+ else
+ variant = m_textColValues[ row ];
+ break;
+
+ case Col_IconText:
+ {
+ wxString text;
+ if ( row >= m_iconColValues.GetCount() )
+ text = "virtual icon";
+ else
+ text = m_iconColValues[row];
+
+ variant << wxDataViewIconText(text, m_icon[row % 2]);
+ }
+ break;
+
+ case Col_TextWithAttr:
+ {
+ static const char *labels[5] =
+ {
+ "blue", "green", "red", "bold cyan", "default",
+ };
+
+ variant = labels[row % 5];
+ }
+ break;
+
+ case Col_Custom:
+ variant = wxString::Format("%d", row % 100);
+ break;
+
+ case Col_Max:
+ wxFAIL_MSG( "invalid column" );
}
}
bool MyListModel::GetAttrByRow( unsigned int row, unsigned int col,
- wxDataViewItemAttr &attr )
+ wxDataViewItemAttr &attr ) const
{
- if (col != 2)
- return false;
-
- if (row < m_array.GetCount())
+ switch ( col )
{
- attr.SetColour( (row%2) == 0 ? *wxBLUE :
- ((row%3) == 0 ? *wxGREEN : *wxRED) );
- attr.SetItalic( (row%2) == 5 );
+ case Col_EditableText:
+ return false;
+
+ case Col_IconText:
+ if ( !(row % 2) )
+ return false;
+ attr.SetColour(*wxLIGHT_GREY);
+ break;
+
+ case Col_TextWithAttr:
+ case Col_Custom:
+ // do what the labels defined in GetValueByRow() hint at
+ switch ( row % 5 )
+ {
+ case 0:
+ attr.SetColour(*wxBLUE);
+ break;
+
+ case 1:
+ attr.SetColour(*wxGREEN);
+ break;
+
+ case 2:
+ attr.SetColour(*wxRED);
+ break;
+
+ case 3:
+ attr.SetColour(*wxCYAN);
+ attr.SetBold(true);
+ break;
+
+ case 4:
+ return false;
+ }
+ break;
+
+ case Col_Max:
+ wxFAIL_MSG( "invalid column" );
}
return true;
bool MyListModel::SetValueByRow( const wxVariant &variant,
unsigned int row, unsigned int col )
{
- if (col == 0)
+ switch ( col )
{
- if (row >= m_array.GetCount())
- {
- // the item is not in the range of the items
- // which we store... for simplicity, don't allow editing it
- wxLogError("Cannot edit rows with an index greater than %d", m_array.GetCount());
- return false;
- }
+ case Col_EditableText:
+ case Col_IconText:
+ if (row >= m_textColValues.GetCount())
+ {
+ // the item is not in the range of the items
+ // which we store... for simplicity, don't allow editing it
+ wxLogError( "Cannot edit rows with an index greater than %d",
+ m_textColValues.GetCount() );
+ return false;
+ }
+
+ if ( col == Col_EditableText )
+ {
+ m_textColValues[row] = variant.GetString();
+ }
+ else // col == Col_IconText
+ {
+ wxDataViewIconText iconText;
+ iconText << variant;
+ m_iconColValues[row] = iconText.GetText();
+ }
+ return true;
- m_array[row] = variant.GetString();
- return true;
+ case Col_TextWithAttr:
+ case Col_Custom:
+ wxLogError("Cannot edit the column %d", col);
+ break;
+
+ case Col_Max:
+ wxFAIL_MSG( "invalid column" );
}
return false;
}
+
+
+// ----------------------------------------------------------------------------
+// MyListStoreDerivedModel
+// ----------------------------------------------------------------------------
+
+bool MyListStoreDerivedModel::IsEnabledByRow(unsigned int row, unsigned int col) const
+{
+ // disabled the last two checkboxes
+ return !(col == 0 && 8 <= row && row <= 9);
+}
projects / wxWidgets.git / blobdiff