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dataview sample: Added test for wxDataViewModel::Cleared functionality: Ctrl-W will clear MyMusicTreeModel. Ctrl-W can be pressed while editing some item (artist is editable)

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valid-ptr 2022-01-18 17:00:15 +03:00 committed by konstantin.matveyev
parent 8aae7ad937
commit 0199a8ce49
3 changed files with 25 additions and 0 deletions
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9
samples/dataview/dataview.cpp
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@ -84,6 +84,7 @@ private:
#endif // wxHAS_GENERIC_DATAVIEWCTRL
void OnGetPageInfo(wxCommandEvent& event);
void OnDisable(wxCommandEvent& event);
void OnClearMyMusicTreeModel(wxCommandEvent& event);
void OnSetForegroundColour(wxCommandEvent& event);
void OnIncIndent(wxCommandEvent& event);
void OnDecIndent(wxCommandEvent& event);
@ -400,6 +401,7 @@ enum
ID_CLEARLOG = wxID_HIGHEST+1,
ID_GET_PAGE_INFO,
ID_DISABLE,
ID_CLEAR_MODEL,
ID_BACKGROUND_COLOUR,
ID_FOREGROUND_COLOUR,
ID_CUSTOM_HEADER_ATTR,
@ -481,6 +483,7 @@ wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU( ID_GET_PAGE_INFO, MyFrame::OnGetPageInfo )
EVT_MENU( ID_DISABLE, MyFrame::OnDisable )
EVT_MENU( ID_CLEAR_MODEL, MyFrame::OnClearMyMusicTreeModel )
EVT_MENU( ID_FOREGROUND_COLOUR, MyFrame::OnSetForegroundColour )
EVT_MENU( ID_BACKGROUND_COLOUR, MyFrame::OnSetBackgroundColour )
EVT_MENU( ID_CUSTOM_HEADER_ATTR, MyFrame::OnCustomHeaderAttr )
@ -599,6 +602,7 @@ MyFrame::MyFrame(wxFrame *frame, const wxString &title, int x, int y, int w, int
file_menu->Append(ID_CLEARLOG, "&Clear log\tCtrl-L");
file_menu->Append(ID_GET_PAGE_INFO, "Show current &page info");
file_menu->AppendCheckItem(ID_DISABLE, "&Disable\tCtrl-D");
file_menu->Append(ID_CLEAR_MODEL, "&Clear MyMusicTreeModel\tCtrl-W");
file_menu->Append(ID_FOREGROUND_COLOUR, "Set &foreground colour...\tCtrl-S");
file_menu->Append(ID_BACKGROUND_COLOUR, "Set &background colour...\tCtrl-B");
file_menu->AppendCheckItem(ID_CUSTOM_HEADER_ATTR, "C&ustom header attributes");
@ -1146,6 +1150,11 @@ void MyFrame::OnDisable(wxCommandEvent& event)
m_ctrl[m_notebook->GetSelection()]->Enable(!event.IsChecked());
}
void MyFrame::OnClearMyMusicTreeModel(wxCommandEvent& WXUNUSED(event))
{
m_music_model->Clear();
}
void MyFrame::OnSetForegroundColour(wxCommandEvent& WXUNUSED(event))
{
wxDataViewCtrl * const dvc = m_ctrl[m_notebook->GetSelection()];

15
samples/dataview/mymodels.cpp
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@ -152,6 +152,21 @@ void MyMusicTreeModel::Delete( const wxDataViewItem &item )
// notify control
ItemDeleted( parent, item );
}
void MyMusicTreeModel::Clear()
{
m_pop = NULL;
m_classical = NULL;
m_ninth = NULL;
while (!m_root->GetChildren().IsEmpty())
{
MyMusicTreeModelNode* node = m_root->GetNthChild(0);
m_root->GetChildren().Remove(node);
delete node;
}
Cleared();
}
int MyMusicTreeModel::Compare( const wxDataViewItem &item1, const wxDataViewItem &item2,
unsigned int column, bool ascending ) const

1
samples/dataview/mymodels.h
View File

@ -136,6 +136,7 @@ public:
void AddToClassical( const wxString &title, const wxString &artist,
unsigned int year );
void Delete( const wxDataViewItem &item );
void Clear();
wxDataViewItem GetNinthItem() const
{