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Make height of red square depend on value in the model

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53688 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling 2008-05-21 11:54:30 +00:00
parent fbfecac9ab
commit a7a27e86fa
1 changed files with 38 additions and 7 deletions
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45
samples/dataview/dataview.cpp
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@ -175,7 +175,7 @@ public:
// helper method for wxLog
wxString GetTitle( const wxDataViewItem &item )
wxString GetTitle( const wxDataViewItem &item ) const
{
MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
if (!node)
@ -184,6 +184,15 @@ public:
return node->m_title;
}
int GetYear( const wxDataViewItem &item ) const
{
MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
if (!node)
return 2000;
return node->m_year;
}
// helper methods to change the model
void AddToClassical( const wxString &title, const wxString &artist, int year )
@ -245,7 +254,7 @@ public:
virtual unsigned int GetColumnCount() const
{
return 4;
return 5;
}
virtual wxString GetColumnType( unsigned int col ) const
@ -265,7 +274,20 @@ public:
case 0: variant = node->m_title; break;
case 1: variant = node->m_artist; break;
case 2: variant = (long) node->m_year; break;
case 3: if (IsContainer(item)) variant = (long) 0; else variant = (long) 80; break; // popularity
case 3:
// wxMac doesn't conceal the popularity progress renderer, return 0 for containers
if (IsContainer(item))
variant = (long) 0;
else
variant = (long) 80; // all music is very 80% popular
break;
case 4:
// Make size of red square depend on year
if (GetYear(item) < 1900)
variant = (long) 35;
else
variant = (long) 25;
break;
default:
{
wxLogError( wxT("MyMusicModel::GetValue: wrong column %d"), col );
@ -569,7 +591,8 @@ class MyCustomRenderer: public wxDataViewCustomRenderer
{
public:
MyCustomRenderer( wxDataViewCellMode mode, int alignment ) :
wxDataViewCustomRenderer( wxString("long"), mode, alignment ) { }
wxDataViewCustomRenderer( wxString("long"), mode, alignment )
{ m_height = 25; }
virtual bool Render( wxRect rect, wxDC *dc, int WXUNUSED(state) )
{
@ -596,11 +619,19 @@ public:
virtual wxSize GetSize() const
{
return wxSize(60,30);
return wxSize(60,m_height);
}
virtual bool SetValue( const wxVariant &value )
{
m_height = value;
return true;
}
virtual bool SetValue( const wxVariant &WXUNUSED(value) ) { return true; }
virtual bool GetValue( wxVariant &WXUNUSED(value) ) const { return true; }
private:
long m_height;
};
// -------------------------------------
@ -809,7 +840,7 @@ MyFrame::MyFrame(wxFrame *frame, const wxString &title, int x, int y, int w, int
m_musicCtrl->AppendProgressColumn( wxT("popularity"), 3, wxDATAVIEW_CELL_INERT, 80 );
MyCustomRenderer *cr = new MyCustomRenderer( wxDATAVIEW_CELL_ACTIVATABLE, wxALIGN_RIGHT );
wxDataViewColumn *column3 = new wxDataViewColumn( wxT("custom"), cr, 2, -1, wxALIGN_LEFT,
wxDataViewColumn *column3 = new wxDataViewColumn( wxT("custom"), cr, 4, -1, wxALIGN_LEFT,
wxDATAVIEW_COL_RESIZABLE );
m_musicCtrl->AppendColumn( column3 );