Use type safe list for model notifiers, sample corrected

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47722 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
2007-07-25 18:46:01 +00:00
parent b8fd3d7cc2
commit 9d8fe14a97
3 changed files with 57 additions and 57 deletions

View File

@@ -81,10 +81,38 @@ private:
bool operator == (const wxDataViewItem &left, const wxDataViewItem &right);
// ---------------------------------------------------------
// wxDataViewModelNotifier
// ---------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewModelNotifier
{
public:
wxDataViewModelNotifier() { }
virtual ~wxDataViewModelNotifier() { m_owner = NULL; }
virtual bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item ) = 0;
virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item ) = 0;
virtual bool ItemChanged( const wxDataViewItem &item ) = 0;
virtual bool ValueChanged( const wxDataViewItem &item, unsigned int col ) = 0;
virtual bool Cleared() = 0;
virtual void Resort() { }
void SetOwner( wxDataViewModel *owner ) { m_owner = owner; }
wxDataViewModel *GetOwner() { return m_owner; }
private:
wxDataViewModel *m_owner;
};
// ---------------------------------------------------------
// wxDataViewModel
// ---------------------------------------------------------
WX_DECLARE_LIST(wxDataViewModelNotifier, wxDataViewModelNotifiers );
class WXDLLIMPEXP_ADV wxDataViewModel: public wxObjectRefData
{
public:
@@ -135,7 +163,7 @@ protected:
// the user should not delete this class directly: he should use DecRef() instead!
virtual ~wxDataViewModel() { }
wxList m_notifiers;
wxDataViewModelNotifiers m_notifiers;
unsigned int m_sortingColumn;
bool m_ascending;
};
@@ -193,32 +221,6 @@ private:
unsigned int m_lastIndex;
};
// ---------------------------------------------------------
// wxDataViewModelNotifier
// ---------------------------------------------------------
class WXDLLIMPEXP_ADV wxDataViewModelNotifier: public wxObject
{
public:
wxDataViewModelNotifier() { }
virtual ~wxDataViewModelNotifier() { m_owner = NULL; }
virtual bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item ) = 0;
virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item ) = 0;
virtual bool ItemChanged( const wxDataViewItem &item ) = 0;
virtual bool ValueChanged( const wxDataViewItem &item, unsigned int col ) = 0;
virtual bool Cleared() = 0;
virtual void Resort() { };
void SetOwner( wxDataViewModel *owner ) { m_owner = owner; }
wxDataViewModel *GetOwner() { return m_owner; }
private:
wxDataViewModel *m_owner;
};
//-----------------------------------------------------------------------------
// wxDataViewEditorCtrlEvtHandler
//-----------------------------------------------------------------------------

View File

@@ -160,11 +160,12 @@ public:
void Delete( const wxDataViewItem &item )
{
MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
wxDataViewItem parent( node->GetParent() );
node->GetParent()->GetChildren().Remove( node );
delete node;
// notify control
ItemDeleted( item );
ItemDeleted( parent, item );
}
// override sorting to always sort branches ascendingly
@@ -577,7 +578,7 @@ void MyFrame::OnDeleteMusic(wxCommandEvent& WXUNUSED(event) )
{
wxDataViewItem item = m_musicCtrl->GetSelection();
if (item.IsOk())
m_music_model->Delete( m_music_model->GetParent(item), item );
m_music_model->Delete( item );
}
void MyFrame::OnPrependList( wxCommandEvent& WXUNUSED(event) )
@@ -589,7 +590,7 @@ void MyFrame::OnDeleteList( wxCommandEvent& WXUNUSED(event) )
{
wxDataViewItem item = m_listCtrl->GetSelection();
if (item.IsOk())
m_list_model->DeleteItem( m_list_model->GetParent(item), item );
m_list_model->DeleteItem( item );
}
void MyFrame::OnItemAdded( wxDataViewEvent &event )

View File

@@ -36,6 +36,9 @@ bool operator == (const wxDataViewItem &left, const wxDataViewItem &right)
// wxDataViewModel
// ---------------------------------------------------------
#include <wx/listimpl.cpp>
WX_DEFINE_LIST(wxDataViewModelNotifiers);
wxDataViewModel::wxDataViewModel()
{
m_notifiers.DeleteContents( true );
@@ -47,13 +50,12 @@ bool wxDataViewModel::ItemAdded( const wxDataViewItem &parent, const wxDataViewI
{
bool ret = true;
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
wxDataViewModelNotifiers::iterator iter;
for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
{
wxDataViewModelNotifier* notifier = (wxDataViewModelNotifier*) node->GetData();
wxDataViewModelNotifier* notifier = *iter;
if (!notifier->ItemAdded( parent, item ))
ret = false;
node = node->GetNext();
}
return ret;
@@ -63,13 +65,12 @@ bool wxDataViewModel::ItemDeleted( const wxDataViewItem &parent, const wxDataVie
{
bool ret = true;
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
wxDataViewModelNotifiers::iterator iter;
for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
{
wxDataViewModelNotifier* notifier = (wxDataViewModelNotifier*) node->GetData();
wxDataViewModelNotifier* notifier = *iter;
if (!notifier->ItemDeleted( parent, item ))
ret = false;
node = node->GetNext();
}
return ret;
@@ -79,13 +80,12 @@ bool wxDataViewModel::ItemChanged( const wxDataViewItem &item )
{
bool ret = true;
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
wxDataViewModelNotifiers::iterator iter;
for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
{
wxDataViewModelNotifier* notifier = (wxDataViewModelNotifier*) node->GetData();
wxDataViewModelNotifier* notifier = *iter;
if (!notifier->ItemChanged( item ))
ret = false;
node = node->GetNext();
}
return ret;
@@ -95,13 +95,12 @@ bool wxDataViewModel::ValueChanged( const wxDataViewItem &item, unsigned int col
{
bool ret = true;
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
wxDataViewModelNotifiers::iterator iter;
for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
{
wxDataViewModelNotifier* notifier = (wxDataViewModelNotifier*) node->GetData();
wxDataViewModelNotifier* notifier = *iter;
if (!notifier->ValueChanged( item, col ))
ret = false;
node = node->GetNext();
}
return ret;
@@ -111,13 +110,12 @@ bool wxDataViewModel::Cleared()
{
bool ret = true;
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
wxDataViewModelNotifiers::iterator iter;
for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
{
wxDataViewModelNotifier* notifier = (wxDataViewModelNotifier*) node->GetData();
wxDataViewModelNotifier* notifier = *iter;
if (!notifier->Cleared())
ret = false;
node = node->GetNext();
}
return ret;
@@ -125,18 +123,17 @@ bool wxDataViewModel::Cleared()
void wxDataViewModel::Resort()
{
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
wxDataViewModelNotifiers::iterator iter;
for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
{
wxDataViewModelNotifier* notifier = (wxDataViewModelNotifier*) node->GetData();
wxDataViewModelNotifier* notifier = *iter;
notifier->Resort();
node = node->GetNext();
}
}
void wxDataViewModel::AddNotifier( wxDataViewModelNotifier *notifier )
{
m_notifiers.Append( notifier );
m_notifiers.push_back( notifier );
notifier->SetOwner( this );
}