Fix several bugs in generic text entry hints implementation.

[wxWidgets.git] / src / common / datavcmn.cpp

diff --git a/src/common/datavcmn.cpp b/src/common/datavcmn.cpp
index 779df4727a5e28f8765121088b5f0c06344e9890..6c9423bc386e71364c5e462aaded2056fd256393 100644 (file)
--- a/src/common/datavcmn.cpp
+++ b/src/common/datavcmn.cpp
@@ -235,6 +235,36 @@ bool wxDataViewModel::Cleared()
     return ret;
 }
 
+bool wxDataViewModel::BeforeReset()
+{
+    bool ret = true;
+
+    wxDataViewModelNotifiers::iterator iter;
+    for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
+    {
+        wxDataViewModelNotifier* notifier = *iter;
+        if (!notifier->BeforeReset())
+            ret = false;
+    }
+
+    return ret;
+}
+
+bool wxDataViewModel::AfterReset()
+{
+    bool ret = true;
+
+    wxDataViewModelNotifiers::iterator iter;
+    for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
+    {
+        wxDataViewModelNotifier* notifier = *iter;
+        if (!notifier->AfterReset())
+            ret = false;
+    }
+
+    return ret;
+}
+
 void wxDataViewModel::Resort()
 {
     wxDataViewModelNotifiers::iterator iter;
@@ -345,6 +375,8 @@ wxDataViewIndexListModel::wxDataViewIndexListModel( unsigned int initial_size )
 
 void wxDataViewIndexListModel::Reset( unsigned int new_size )
 {
+    /* wxDataViewModel:: */ BeforeReset();
+    
     m_hash.Clear();
 
     // IDs are ordered until an item gets deleted or inserted
@@ -357,7 +389,7 @@ void wxDataViewIndexListModel::Reset( unsigned int new_size )
 
     m_nextFreeID = new_size + 1;
 
-    /* wxDataViewModel:: */ Cleared();
+    /* wxDataViewModel:: */ AfterReset();
 }
 
 void wxDataViewIndexListModel::RowPrepended()
@@ -499,9 +531,11 @@ wxDataViewVirtualListModel::wxDataViewVirtualListModel( unsigned int initial_siz
 
 void wxDataViewVirtualListModel::Reset( unsigned int new_size )
 {
-    m_size = new_size;
+    /* wxDataViewModel:: */ BeforeReset();
 
-    /* wxDataViewModel:: */ Cleared();
+    m_size = new_size;
+    
+    /* wxDataViewModel:: */ AfterReset();
 }
 
 void wxDataViewVirtualListModel::RowPrepended()