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Use wxDataViewCtrl::GetTopItem() and GetCountPerPage() in the sample

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Demonstrate the use of these methods and also allow testing them easily.

See #17498.
This commit is contained in:
Vadim Zeitlin 2017-04-06 23:47:41 +02:00
parent eb035485d7
commit e98d7181b5
1 changed files with 26 additions and 0 deletions
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26
samples/dataview/dataview.cpp
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@ -83,6 +83,7 @@ private:
#ifdef wxHAS_GENERIC_DATAVIEWCTRL
void OnCustomHeaderHeight(wxCommandEvent& event);
#endif // wxHAS_GENERIC_DATAVIEWCTRL
void OnGetPageInfo(wxCommandEvent& event);
void OnSetForegroundColour(wxCommandEvent& event);
void OnIncIndent(wxCommandEvent& event);
void OnDecIndent(wxCommandEvent& event);
@ -304,6 +305,7 @@ bool MyApp::OnInit()
enum
{
ID_CLEARLOG = wxID_HIGHEST+1,
ID_GET_PAGE_INFO,
ID_BACKGROUND_COLOUR,
ID_FOREGROUND_COLOUR,
ID_CUSTOM_HEADER_ATTR,
@ -362,6 +364,7 @@ wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU( ID_ABOUT, MyFrame::OnAbout )
EVT_MENU( ID_CLEARLOG, MyFrame::OnClearLog )
EVT_MENU( ID_GET_PAGE_INFO, MyFrame::OnGetPageInfo )
EVT_MENU( ID_FOREGROUND_COLOUR, MyFrame::OnSetForegroundColour )
EVT_MENU( ID_BACKGROUND_COLOUR, MyFrame::OnSetBackgroundColour )
EVT_MENU( ID_CUSTOM_HEADER_ATTR, MyFrame::OnCustomHeaderAttr )
@ -453,6 +456,7 @@ MyFrame::MyFrame(wxFrame *frame, const wxString &title, int x, int y, int w, int
wxMenu *file_menu = new wxMenu;
file_menu->Append(ID_CLEARLOG, "&Clear log\tCtrl-L");
file_menu->Append(ID_GET_PAGE_INFO, "Show current &page info");
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");
@ -799,6 +803,28 @@ void MyFrame::OnClearLog( wxCommandEvent& WXUNUSED(event) )
m_log->Clear();
}
void MyFrame::OnGetPageInfo(wxCommandEvent& WXUNUSED(event))
{
wxDataViewCtrl* const dvc = m_ctrl[m_notebook->GetSelection()];
const wxDataViewItem top = dvc->GetTopItem();
wxString topDesc;
if ( top.IsOk() )
{
wxVariant value;
dvc->GetModel()->GetValue(value, top, 0);
topDesc.Printf("Top item is \"%s\"", value.GetString());
}
else
{
topDesc = "There is no top item";
}
wxLogMessage("%s and there are %d items per page",
topDesc,
dvc->GetCountPerPage());
}
void MyFrame::OnSetForegroundColour(wxCommandEvent& WXUNUSED(event))
{
wxDataViewCtrl * const dvc = m_ctrl[m_notebook->GetSelection()];