/////////////////////////////////////////////////////////////////////////////
// Name: dataview.cpp
-// Purpose: DataVewCtrl wxWidgets sample
+// Purpose: wxDataViewCtrl wxWidgets sample
// Author: Robert Roebling
-// Modified by:
+// Modified by: Francesco Montorsi
// Created: 06/01/06
// RCS-ID: $Id$
// Copyright: (c) Robert Roebling
#endif
#ifndef WX_PRECOMP
-#include "wx/wx.h"
+ #include "wx/wx.h"
#endif
+#include "wx/datetime.h"
+#include "wx/splitter.h"
+#include "wx/aboutdlg.h"
+#include "wx/choicdlg.h"
+#include "wx/numdlg.h"
+#include "wx/dataview.h"
+#include "wx/spinctrl.h"
+
#ifndef __WXMSW__
-#include "mondrian.xpm"
+ #include "../sample.xpm"
#endif
-#include "wx/dataview.h"
+#include "null.xpm"
+
+
+#define DEFAULT_ALIGN wxALIGN_LEFT
+#define DATAVIEW_DEFAULT_STYLE (wxDV_MULTIPLE|wxDV_HORIZ_RULES|wxDV_VERT_RULES)
+
+
// -------------------------------------
-// MyTextModel
+// MyMusicModel
// -------------------------------------
-class MyTextModel: public wxDataViewListModel
+/*
+Implement this data model
+ Title Artist Year
+-------------------------------------------------------------
+1: My Music:
+ 2: Pop music
+ 3: You are not alone Michael Jackson 1995
+ 4: Take a bow Madonna 1994
+ 5: Classical music
+ 6: Ninth Symphony Ludwig v. Beethoven 1824
+ 7: German Requiem Johannes Brahms 1868
+*/
+
+
+
+class MyMusicModelNode;
+WX_DEFINE_ARRAY_PTR( MyMusicModelNode*, MyMusicModelNodes );
+
+class MyMusicModelNode
{
public:
- MyTextModel() {}
-
- virtual size_t GetNumberOfRows()
- { return 1000; }
- virtual size_t GetNumberOfCols()
- { return 3; }
- // as reported by wxVariant
- virtual wxString GetColType( size_t col )
- { return wxT("string"); }
- virtual wxVariant GetValue( size_t col, size_t row )
- { wxString tmp;
- tmp.Printf( wxT("item(%d;%d)"), (int)row, (int)col );
- return tmp;
+ MyMusicModelNode( MyMusicModelNode* parent,
+ const wxString &title, const wxString &artist, const wxString &year )
+ {
+ m_parent = parent;
+ m_title = title;
+ m_artist = artist;
+ m_year = year;
+ m_isContainer = false;
+ }
+
+ MyMusicModelNode( MyMusicModelNode* parent,
+ const wxString &branch )
+ {
+ m_parent = parent;
+ m_title = branch;
+ m_isContainer = true;
+ }
+
+ ~MyMusicModelNode()
+ {
+ size_t count = m_children.GetCount();
+ size_t i;
+ for (i = 0; i < count; i++)
+ {
+ MyMusicModelNode *child = m_children[i];
+ delete child;
}
+ }
+
+ bool IsContainer() { return m_isContainer; }
+
+ MyMusicModelNode* GetParent() { return m_parent; }
+ MyMusicModelNodes &GetChildren() { return m_children; }
+ MyMusicModelNode* GetNthChild( unsigned int n ) { return m_children.Item( n ); }
+ void Insert( MyMusicModelNode* child, unsigned int n) { m_children.Insert( child, n); }
+ void Append( MyMusicModelNode* child ) { m_children.Add( child ); }
+ unsigned int GetChildCount() { return m_children.GetCount(); }
+
+public:
+ wxString m_title;
+ wxString m_artist;
+ wxString m_year;
+
+private:
+ MyMusicModelNode *m_parent;
+ MyMusicModelNodes m_children;
+ bool m_isContainer;
+};
+
+
+class MyMusicModel: public wxDataViewModel
+{
+public:
+
+ // constructor
+
+ MyMusicModel()
+ {
+ m_root = new MyMusicModelNode( NULL, "My Music" );
+ m_pop = new MyMusicModelNode( m_root, "Pop music" );
+ m_root->Append( m_pop );
+ m_pop->Append( new MyMusicModelNode( m_pop,
+ "You are not alone", "Michael Jackson", "1995" ) );
+ m_pop->Append( new MyMusicModelNode( m_pop,
+ "Take a bow", "Madonna", "1994" ) );
+ m_classical = new MyMusicModelNode( m_root, "Classical music" );
+ m_root->Append( m_classical );
+ m_classical->Append( new MyMusicModelNode( m_classical,
+ "Ninth symphony", "Ludwig van Beethoven", "1824" ) );
+ m_classical->Append( new MyMusicModelNode( m_classical,
+ "German Requiem", "Johannes Brahms", "1868" ) );
+ m_classicalMusicIsKnownToControl = false;
+ }
+
+ // helper methods to change the model
+
+ void AddToClassical( const wxString &title, const wxString &artist, const wxString &year )
+ {
+ // add to data
+ MyMusicModelNode *child_node =
+ new MyMusicModelNode( m_classical, title, artist, year );
+ m_classical->Append( child_node );
+
+ if (m_classicalMusicIsKnownToControl)
+ {
+ // notify control
+ wxDataViewItem child( (void*) child_node );
+ wxDataViewItem parent( (void*) m_classical );
+ ItemAdded( parent, child );
+ }
+ }
+
+ void Delete( const wxDataViewItem &item )
+ {
+ MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
+ node->GetParent()->GetChildren().Remove( node );
+ delete node;
+
+ // notify control
+ ItemDeleted( item );
+ }
+
+ // implementation of base class virtuals to define model
+
+ virtual unsigned int GetColumnCount() const
+ {
+ return 3;
+ }
+
+ virtual wxString GetColumnType( unsigned int col ) const
+ {
+ return "string";
+ }
+
+ virtual void GetValue( wxVariant &variant,
+ const wxDataViewItem &item, unsigned int col ) const
+ {
+ MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
+ switch (col)
+ {
+ case 0: variant = node->m_title; break;
+ case 1: variant = node->m_artist; break;
+ case 2: variant = node->m_year; break;
+ default: wxLogError( "MyMusicModel::GetValue: wrong column" );
+ }
+ }
+
+ virtual bool SetValue( const wxVariant &variant,
+ const wxDataViewItem &item, unsigned int col )
+ {
+ MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
+ switch (col)
+ {
+ case 0: node->m_title = variant.GetString(); break;
+ case 1: node->m_artist = variant.GetString(); break;
+ case 2: node->m_year = variant.GetString(); break;
+ default: wxLogError( "MyMusicModel::SetValue: wrong column" );
+ }
+ }
+
+ virtual bool HasChildren( const wxDataViewItem &item ) const
+ {
+ MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
+ if (!node)
+ return true;
+
+ return node->IsContainer();
+ }
+
+ virtual wxDataViewItem GetFirstChild( const wxDataViewItem &parent ) const
+ {
+ MyMusicModelNode *node = (MyMusicModelNode*) parent.GetID();
+ if (!node)
+ return wxDataViewItem( (void*) m_root );
+
+ if (node->GetChildCount() == 0)
+ return wxDataViewItem( 0 );
+
+ if (node == m_classical)
+ {
+ MyMusicModel *model = (MyMusicModel*)(const MyMusicModel*) this;
+ model->m_classicalMusicIsKnownToControl = true;
+ }
+
+ MyMusicModelNode *first_child = node->GetChildren().Item( 0 );
+ return wxDataViewItem( (void*) first_child );
+ }
+
+ virtual wxDataViewItem GetNextSibling( const wxDataViewItem &item ) const
+ {
+ MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
+ MyMusicModelNode *parent = node->GetParent();
+ if (!parent)
+ return wxDataViewItem(0);
+
+ int pos = parent->GetChildren().Index( node );
+ if (pos == wxNOT_FOUND)
+ return wxDataViewItem(0);
+
+ if (pos == parent->GetChildCount()-1)
+ return wxDataViewItem(0);
+
+ node = parent->GetChildren().Item( pos+1 );
+ return wxDataViewItem( (void*) node );
+ }
+
+private:
+ MyMusicModelNode* m_root;
+ MyMusicModelNode* m_pop;
+ MyMusicModelNode* m_classical;
+ bool m_classicalMusicIsKnownToControl;
};
// -------------------------------------
{
public:
bool OnInit(void);
+ int OnExit();
};
// -------------------------------------
// MyFrame
// -------------------------------------
-class MyFrame: public wxFrame
+class MyFrame : public wxFrame
{
public:
MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h);
public:
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
-
+ void OnAdd(wxCommandEvent& event);
+ void OnDelete(wxCommandEvent& event);
+
+private:
+ wxDataViewCtrl* m_dataview;
+ wxTextCtrl * m_log;
+ wxObjectDataPtr<MyMusicModel> m_model;
+
private:
- wxDataViewCtrl* dataview;
+ DECLARE_EVENT_TABLE()
};
// -------------------------------------
// MyApp
// -------------------------------------
-#define DYNAMIC_QUIT wxID_EXIT
-#define DYNAMIC_ABOUT wxID_ABOUT
-
-IMPLEMENT_APP (MyApp)
+IMPLEMENT_APP(MyApp)
bool MyApp::OnInit(void)
{
- MyFrame *frame = new MyFrame(NULL, _T("Dynamic wxWidgets App"), 50, 50, 450, 340);
+ if ( !wxApp::OnInit() )
+ return false;
+ // build the first frame
+ MyFrame *frame =
+ new MyFrame(NULL, wxT("wxDataViewCtrl feature test"), 10, 10, 700, 440);
frame->Show(true);
SetTopWindow(frame);
-
return true;
}
+int MyApp::OnExit()
+{
+ return 0;
+}
+
+
// -------------------------------------
// MyFrame
// -------------------------------------
+enum
+{
+ // file menu
+ ID_ABOUT = wxID_ABOUT,
+ ID_EXIT = wxID_EXIT,
+
+ ID_ADD = 100,
+ ID_DELETE = 101,
+};
+
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_MENU( ID_ABOUT, MyFrame::OnAbout )
+ EVT_MENU( ID_EXIT, MyFrame::OnQuit )
+ EVT_BUTTON( ID_ADD, MyFrame::OnAdd )
+ EVT_BUTTON( ID_DELETE, MyFrame::OnDelete )
+END_EVENT_TABLE()
+
MyFrame::MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h):
wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
{
-#ifdef __WXMSW__
- SetIcon(wxIcon(_T("mondrian")));
-#else
- SetIcon(wxIcon(mondrian_xpm));
-#endif
+ SetIcon(wxICON(sample));
+
+ // build the menus:
wxMenu *file_menu = new wxMenu;
+ file_menu->Append(ID_ABOUT, "&About");
+ file_menu->AppendSeparator();
+ file_menu->Append(ID_EXIT, "E&xit");
- file_menu->Append(DYNAMIC_ABOUT, _T("&About"));
- file_menu->Append(DYNAMIC_QUIT, _T("E&xit"));
wxMenuBar *menu_bar = new wxMenuBar;
- menu_bar->Append(file_menu, _T("&File"));
+ menu_bar->Append(file_menu, "&File");
+
SetMenuBar(menu_bar);
+ CreateStatusBar();
- // You used to have to do some casting for param 4, but now there are type-safe handlers
- Connect( DYNAMIC_QUIT, wxID_ANY,
- wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MyFrame::OnQuit) );
- Connect( DYNAMIC_ABOUT, wxID_ANY,
- wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MyFrame::OnAbout) );
+ wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
- CreateStatusBar();
+ m_dataview = new wxDataViewCtrl( this, wxID_ANY, wxDefaultPosition,
+ wxDefaultSize );
+
+ m_model = new MyMusicModel;
+ m_dataview->AssociateModel( m_model.get() );
+
+ m_dataview->AppendTextColumn( "Title", 0, wxDATAVIEW_CELL_INERT, 200,
+ DEFAULT_ALIGN, wxDATAVIEW_COL_SORTABLE );
+ m_dataview->AppendTextColumn( "Artist", 1, wxDATAVIEW_CELL_EDITABLE, 200,
+ DEFAULT_ALIGN, wxDATAVIEW_COL_SORTABLE );
+ m_dataview->AppendTextColumn( "Year", 2, wxDATAVIEW_CELL_INERT, 50,
+ DEFAULT_ALIGN );
+
+ main_sizer->Add( m_dataview, 2, wxGROW );
+
+ wxBoxSizer *button_sizer = new wxBoxSizer( wxHORIZONTAL );
+ button_sizer->Add( new wxButton( this, ID_ADD, "Add Mozart"), 0, wxALL, 10 );
+ button_sizer->Add( new wxButton( this, ID_DELETE, "Delete selected"), 0, wxALL, 10 );
- dataview = new wxDataViewCtrl( this, -1 );
+ main_sizer->Add( button_sizer, 0, 0, 0 );
- MyTextModel *model = new MyTextModel;
- dataview->AssociateModel( model );
+ m_log = new wxTextCtrl( this, -1, "", wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
- dataview->AppendStringColumn( wxT("first"), 0 );
- dataview->AppendStringColumn( wxT("second"), 1 );
- dataview->AppendStringColumn( wxT("third"), 2 );
+ main_sizer->Add( m_log, 1, wxGROW );
+ SetSizer( main_sizer );
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
Close(true);
}
-void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
+void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event) )
{
- wxMessageDialog dialog(this, _T("This demonstrates the dataview control handling"),
- _T("About DataView"), wxOK);
+ wxDataViewItem item = m_dataview->GetSelection();
+ if (item.IsOk())
+ m_model->Delete( item );
+}
- dialog.ShowModal();
+void MyFrame::OnAdd(wxCommandEvent& WXUNUSED(event) )
+{
+ m_model->AddToClassical( "Kleine Nachtmusik", "Wolfgang Mozart", "1787" );
}
+void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
+{
+ wxAboutDialogInfo info;
+ info.SetName(_("DataView sample"));
+ info.SetDescription(_("This sample demonstrates the dataview control handling"));
+ info.SetCopyright(_T("(C) 2007 Robert Roebling"));
+
+ wxAboutBox(info);
+}