X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2746bccf233379382f2017ef35d2dfcc114b70cb..f155075229d771430f0793700f5048ad4be00e9d:/samples/dataview/mymodels.cpp?ds=inline

diff --git a/samples/dataview/mymodels.cpp b/samples/dataview/mymodels.cpp
index c3bf1ff87a..a3cb111198 100644
--- a/samples/dataview/mymodels.cpp
+++ b/samples/dataview/mymodels.cpp
@@ -6,7 +6,7 @@
 // Created:     06/01/06
 // RCS-ID:      $Id$
 // Copyright:   (c) Robert Roebling
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
@@ -203,18 +203,13 @@ void MyMusicTreeModel::GetValue( wxVariant &variant,
         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:
@@ -249,6 +244,17 @@ bool MyMusicTreeModel::SetValue( const wxVariant &variant,
     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
@@ -322,13 +328,11 @@ static int my_sort( int *v1, int *v2 )
    return *v1-*v2;
 }
 
-#define INITIAL_NUMBER_OF_ITEMS 100000
+#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 synthesized on request
     static const unsigned NUMBER_REAL_ITEMS = 100;
@@ -355,6 +359,7 @@ void MyListModel::Prepend( const wxString &text )
 void MyListModel::DeleteItem( const wxDataViewItem &item )
 {
     unsigned int row = GetRow( item );
+
     if (row >= m_textColValues.GetCount())
         return;
 
@@ -397,8 +402,7 @@ void MyListModel::DeleteItems( const wxDataViewItemArray &items )
 
 void MyListModel::AddMany()
 {
-    m_virtualItems += 1000;
-    Reset( m_textColValues.GetCount() + m_virtualItems );
+    Reset( GetCount()+1000 );
 }
 
 void MyListModel::GetValueByRow( wxVariant &variant,
@@ -436,6 +440,10 @@ void MyListModel::GetValueByRow( wxVariant &variant,
             }
             break;
 
+        case Col_Custom:
+            variant = wxString::Format("%d", row % 100);
+            break;
+
         case Col_Max:
             wxFAIL_MSG( "invalid column" );
     }
@@ -456,7 +464,8 @@ bool MyListModel::GetAttrByRow( unsigned int row, unsigned int col,
             break;
 
         case Col_TextWithAttr:
-            // do what the labels defined above hint at
+        case Col_Custom:
+            // do what the labels defined in GetValueByRow() hint at
             switch ( row % 5 )
             {
                 case 0:
@@ -517,6 +526,7 @@ bool MyListModel::SetValueByRow( const wxVariant &variant,
             return true;
 
         case Col_TextWithAttr:
+        case Col_Custom:
             wxLogError("Cannot edit the column %d", col);
             break;
 
@@ -526,3 +536,14 @@ bool MyListModel::SetValueByRow( const wxVariant &variant,
 
     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);
+}