Remove unnecessary tests for m_log from dataview sample.

The sample contained a lot of unnecessary checks for m_log, remove them to
make the code shorter and simpler to understand.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66008 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/samples/dataview/dataview.cpp b/samples/dataview/dataview.cpp
index 9c67b7e60bfe757a87ea251b7865aaf787bf448e..8556ca8e28b5c72e90f0ba67032550ca20c27cb4 100644 (file)
--- a/samples/dataview/dataview.cpp
+++ b/samples/dataview/dataview.cpp
@@ -408,6 +408,14 @@ MyFrame::MyFrame(wxFrame *frame, const wxString &title, int x, int y, int w, int
     CreateStatusBar();
 
 
+    // redirect logs from our event handlers to text control
+    m_log = new wxTextCtrl( this, wxID_ANY, wxString(), wxDefaultPosition,
+                            wxDefaultSize, wxTE_MULTILINE );
+    m_log->SetMinSize(wxSize(-1, 100));
+    m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_log));
+    wxLogMessage( "This is the log window" );
+
+
     // first page of the notebook
     // --------------------------
 
@@ -507,12 +515,6 @@ MyFrame::MyFrame(wxFrame *frame, const wxString &title, int x, int y, int w, int
 
     wxSizer* mainSizer = new wxBoxSizer(wxVERTICAL);
 
-    m_log = new wxTextCtrl( this, wxID_ANY, wxString(), wxDefaultPosition,
-                            wxDefaultSize, wxTE_MULTILINE );
-    m_log->SetMinSize(wxSize(-1, 100));
-    m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_log));
-    wxLogMessage( "This is the log window" );
-
     mainSizer->Add( m_notebook, 1, wxGROW );
     mainSizer->Add( m_log, 0, wxGROW );
 
@@ -960,9 +962,6 @@ void MyFrame::OnSetNinthCurrent(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnValueChanged( wxDataViewEvent &event )
 {
-    if (!m_log)
-        return;
-
     wxString title = m_music_model->GetTitle( event.GetItem() );
     wxLogMessage( "wxEVT_DATAVIEW_ITEM_VALUE_CHANGED, Item Id: %s;  Column: %d",
                   title, event.GetColumn() );
@@ -970,9 +969,6 @@ void MyFrame::OnValueChanged( wxDataViewEvent &event )
 
 void MyFrame::OnActivated( wxDataViewEvent &event )
 {
-    if(!m_log)
-        return;
-
     wxString title = m_music_model->GetTitle( event.GetItem() );
     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, Item: %s", title );
 
@@ -984,9 +980,6 @@ void MyFrame::OnActivated( wxDataViewEvent &event )
 
 void MyFrame::OnSelectionChanged( wxDataViewEvent &event )
 {
-    if(!m_log)
-        return;
-
     wxString title = m_music_model->GetTitle( event.GetItem() );
     if (title.empty())
         title = "None";
@@ -996,9 +989,6 @@ void MyFrame::OnSelectionChanged( wxDataViewEvent &event )
 
 void MyFrame::OnExpanding( wxDataViewEvent &event )
 {
-    if (!m_log)
-        return;
-
     wxString title = m_music_model->GetTitle( event.GetItem() );
     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, Item: %s", title );
 }
@@ -1011,9 +1001,6 @@ void MyFrame::OnStartEditing( wxDataViewEvent &event )
     {
         event.Veto();
 
-        if (!m_log)
-           return;
-
         wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_START_EDITING vetoed. Artist: %s", artist );
     }
     else
@@ -1023,54 +1010,36 @@ void MyFrame::OnStartEditing( wxDataViewEvent &event )
 
 void MyFrame::OnEditingStarted( wxDataViewEvent &event )
 {
-    if (!m_log)
-        return;
-
     wxString title = m_music_model->GetTitle( event.GetItem() );
     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, Item: %s", title );
 }
 
 void MyFrame::OnEditingDone( wxDataViewEvent &event )
 {
-    if (!m_log)
-        return;
-
     wxString title = m_music_model->GetTitle( event.GetItem() );
     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, Item: %s", title );
 }
 
 void MyFrame::OnExpanded( wxDataViewEvent &event )
 {
-    if (!m_log)
-        return;
-
     wxString title = m_music_model->GetTitle( event.GetItem() );
     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, Item: %s", title );
 }
 
 void MyFrame::OnCollapsing( wxDataViewEvent &event )
 {
-    if (!m_log)
-        return;
-
     wxString title = m_music_model->GetTitle( event.GetItem() );
     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, Item: %s", title );
 }
 
 void MyFrame::OnCollapsed( wxDataViewEvent &event )
 {
-    if (!m_log)
-        return;
-
     wxString title = m_music_model->GetTitle( event.GetItem() );
     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, Item: %s", title );
 }
 
 void MyFrame::OnContextMenu( wxDataViewEvent &event )
 {
-    if (!m_log)
-        return;
-
     wxString title = m_music_model->GetTitle( event.GetItem() );
     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, Item: %s", title );
 
@@ -1088,9 +1057,6 @@ void MyFrame::OnAttrHeaderClick( wxDataViewEvent &event )
     // this column when it is clicked to take place
     event.Skip();
 
-    if (!m_log)
-        return;
-
     int pos = m_ctrl[1]->GetColumnPosition( event.GetDataViewColumn() );
 
     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, Column position: %d", pos );
@@ -1103,9 +1069,6 @@ void MyFrame::OnHeaderClick( wxDataViewEvent &event )
     // this column when it is clicked to take place
     event.Skip();
 
-    if (!m_log)
-        return;
-
     int pos = m_ctrl[0]->GetColumnPosition( event.GetDataViewColumn() );
 
     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, Column position: %d", pos );
@@ -1114,9 +1077,6 @@ void MyFrame::OnHeaderClick( wxDataViewEvent &event )
 
 void MyFrame::OnHeaderRightClick( wxDataViewEvent &event )
 {
-    if(!m_log)
-        return;
-
     int pos = m_ctrl[0]->GetColumnPosition( event.GetDataViewColumn() );
 
     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, Column position: %d", pos );
@@ -1124,9 +1084,6 @@ void MyFrame::OnHeaderRightClick( wxDataViewEvent &event )
 
 void MyFrame::OnSorted( wxDataViewEvent &event )
 {
-    if(!m_log)
-        return;
-
     int pos = m_ctrl[0]->GetColumnPosition( event.GetDataViewColumn() );
 
     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, Column position: %d", pos );
@@ -1134,9 +1091,6 @@ void MyFrame::OnSorted( wxDataViewEvent &event )
 
 void MyFrame::OnRightClick( wxMouseEvent &event )
 {
-    if(!m_log)
-        return;
-
     wxLogMessage( "wxEVT_MOUSE_RIGHT_UP, Click Point is X: %d, Y: %d",
                  event.GetX(), event.GetY() );
 }