create the single global IO dispatcher in wxFDIODispatcher; don't use wxSelectDispatc...

[wxWidgets.git] / samples / dataview / dataview.cpp

diff --git a/samples/dataview/dataview.cpp b/samples/dataview/dataview.cpp
index 2ce239a6bb856dc36690522b5ef9204bb2e58f1b..2b013e6d9a45cf1b8b65779c3a10abf54a060ef2 100644 (file)
--- a/samples/dataview/dataview.cpp
+++ b/samples/dataview/dataview.cpp
@@ -1,8 +1,8 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        dataview.cpp
 /////////////////////////////////////////////////////////////////////////////
 // Name:        dataview.cpp

-// Purpose:     DataVewCtrl  wxWidgets sample
+// Purpose:     wxDataViewCtrl wxWidgets sample

 // Author:      Robert Roebling
 // Author:      Robert Roebling

-// Modified by:
+// Modified by: Francesco Montorsi

 // Created:     06/01/06
 // RCS-ID:      $Id$
 // Copyright:   (c) Robert Roebling
 // Created:     06/01/06
 // RCS-ID:      $Id$
 // Copyright:   (c) Robert Roebling


@@ -17,60 +17,265 @@
 #endif
 
 #ifndef WX_PRECOMP
 #endif
 
 #ifndef WX_PRECOMP

-#include "wx/wx.h"
+    #include "wx/wx.h"

 #endif
 
 #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__
 #ifndef __WXMSW__

-#include "mondrian.xpm"
+    #include "../sample.xpm"

 #endif
 
 #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:
 {
 public:

-    MyTextModel() 
-    {
+    MyMusicModelNode( MyMusicModelNode* parent, const wxUint32 id,
+                      const wxString &title, const wxString &artist, const wxString &year )
+    { 
+        m_parent = parent; 
+        m_id = id;
+        m_title = title;
+        m_artist = artist;
+        m_year = year;
+        m_isContainer = false;
+    }
+    
+    MyMusicModelNode( MyMusicModelNode* parent, const wxUint32 id,
+                      const wxString &branch )
+    { 
+        m_parent = parent; 
+        m_id = id;
+        m_title = branch;
+        m_isContainer = true;
+    }
+    
+    ~MyMusicModelNode()
+    { 
+        size_t count = m_children.GetCount();

         size_t i;
         size_t i;

-        for (i = 0; i < 1000; i++)
-            m_list.Add( wxT("Test") );
+        for (i = 0; i < count; i++)
+        {
+            MyMusicModelNode *child = m_children[i];
+            delete child;
+        }
+    }
+
+    wxUint32 GetID()                                      { return m_id; }
+    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; 
+    wxUint32            m_id;
+    bool                m_isContainer;
+};
+
+ 
+class MyMusicModel: public wxDataViewModel
+{
+public:
+    MyMusicModel() 
+    {
+        m_idCounter = 0;
+        m_root = new MyMusicModelNode( NULL, GetNewId(), "My Music" );
+        m_pop = new MyMusicModelNode( m_root, GetNewId(), "Pop music" );
+        m_root->Append( m_pop );
+        m_pop->Append( new MyMusicModelNode( m_pop, GetNewId(), 
+            "You are not alone", "Michael Jackson", "1995" ) );
+        m_pop->Append( new MyMusicModelNode( m_pop, GetNewId(), 
+            "Take a bow", "Madonna", "1994" ) );
+        m_classical = new MyMusicModelNode( m_root, GetNewId(), "Classical music" );
+        m_root->Append( m_classical );
+        m_classical->Append( new MyMusicModelNode( m_classical, GetNewId(), 
+            "Ninth symphony", "Ludwig van Beethoven", "1824" ) );
+        m_classical->Append( new MyMusicModelNode( m_classical, GetNewId(), 
+            "German Requiem", "Johannes Brahms", "1868" ) );
+        m_classicalMusicIsKnownToControl = false;

     }
     
     }
     

-    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"); }
+    void AddToClassical( const wxString &title, const wxString &artist, const wxString &year )
+    {
+        // add to data
+        MyMusicModelNode *child_node = 
+            new MyMusicModelNode( m_classical, GetNewId(), title, artist, year );
+        m_classical->Append( child_node );

         
         

-    virtual wxVariant GetValue( size_t col, size_t row )
-        {   
-            if (col == 2)
-            {
-                return m_list[row];
-            }
-            else
-            {
-                wxString tmp; 
-                tmp.Printf( wxT("item(%d;%d)"), (int)row, (int)col ); 
-                return tmp;
-            }
+        if (m_classicalMusicIsKnownToControl)
+        {
+            // notify control
+            wxDataViewItem child( child_node->GetID() );
+            wxDataViewItem parent( m_classical->GetID() );
+            ItemAdded( parent, child );

         }
         }

-    virtual bool SetValue( wxVariant &value, size_t col, size_t row )
+    }
+    
+    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 = FindNode( item );
+        switch (col)

         {
         {

-            if (col == 2)
-            {
-                m_list[row] = value.GetString();
-            }
+            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 = FindNode( item );
+        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
+    {
+        if (item.GetID() == 0)

             return true;
             return true;

+    
+        MyMusicModelNode *node = FindNode( item );
+        return node->IsContainer();
+    }
+    
+    virtual wxDataViewItem GetFirstChild( const wxDataViewItem &parent ) const
+    {
+        if (parent.GetID() == 0)
+            return wxDataViewItem( m_root->GetID() );
+        
+        MyMusicModelNode *node = FindNode( parent );
+            
+        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( first_child->GetID() );
+    }
+    
+    virtual wxDataViewItem GetNextSibling( const wxDataViewItem &item ) const
+    {
+        MyMusicModelNode *node = FindNode( item );
+        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( node->GetID() );
+    } 

     
     

-    wxArrayString m_list;
+private:
+    wxUint32 GetNewId() { m_idCounter++; return m_idCounter; }
+    
+    MyMusicModelNode *FindNodeRec( MyMusicModelNode *node, const wxDataViewItem &item ) const
+    {
+        if (node->GetID() == item.GetID())
+            return node;
+    
+        size_t count = node->GetChildCount();
+        size_t i;
+        for (i = 0; i < count; i++)
+        {
+            MyMusicModelNode *child = node->GetChildren().Item( i );
+            MyMusicModelNode *node2 = FindNodeRec( child, item );
+            if (node2)
+                return node2;
+        }
+        return NULL;
+    }
+    
+    MyMusicModelNode *FindNode( const wxDataViewItem &item ) const
+    {
+        if (item.GetID() == 0)
+            return NULL;
+            
+        if (!m_root)
+            return NULL;
+            
+        return FindNodeRec( m_root, item );
+    }
+
+    MyMusicModelNode*   m_root;
+    MyMusicModelNode*   m_pop;
+    MyMusicModelNode*   m_classical;
+    bool                m_classicalMusicIsKnownToControl;
+    wxUint32            m_idCounter;

 };
 
 // -------------------------------------
 };
 
 // -------------------------------------


@@ -81,13 +286,14 @@ class MyApp: public wxApp
 {
 public:
     bool OnInit(void);
 {
 public:
     bool OnInit(void);

+    int OnExit();

 };
 
 // -------------------------------------
 // MyFrame
 // -------------------------------------
 
 };
 
 // -------------------------------------
 // MyFrame
 // -------------------------------------
 

-class MyFrame: public wxFrame
+class MyFrame : public wxFrame

 {
 public:
     MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h);
 {
 public:
     MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h);


@@ -95,89 +301,108 @@ public:
 public:
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
 public:
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);

-    
+    void OnAdd(wxCommandEvent& event);
+

 private:
 private:

-    wxDataViewCtrl* dataview_left;
-    wxDataViewCtrl* dataview_right;
+    wxDataViewCtrl* m_dataview;
+    wxTextCtrl    * m_log;
+    wxObjectDataPtr<MyMusicModel> m_model;
+
+private:
+    DECLARE_EVENT_TABLE()

 };
 
 // -------------------------------------
 // MyApp
 // -------------------------------------
 
 };
 
 // -------------------------------------
 // MyApp
 // -------------------------------------
 

-#define DYNAMIC_QUIT   wxID_EXIT
-#define DYNAMIC_ABOUT  wxID_ABOUT
-
-IMPLEMENT_APP  (MyApp)
+IMPLEMENT_APP(MyApp)

 
 bool MyApp::OnInit(void)
 {
 
 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);
     frame->Show(true);
 
     SetTopWindow(frame);

-

     return true;
 }
 
     return true;
 }
 

+int MyApp::OnExit()
+{
+    return 0;
+}
+
+

 // -------------------------------------
 // MyFrame
 // -------------------------------------
 
 // -------------------------------------
 // MyFrame
 // -------------------------------------
 

+enum
+{
+    // file menu
+    ID_ABOUT = wxID_ABOUT,
+    ID_EXIT = wxID_EXIT,
+    
+    ID_ADD = 100,
+};
+
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+    EVT_MENU( ID_ABOUT, MyFrame::OnAbout )
+    EVT_MENU( ID_EXIT, MyFrame::OnQuit )
+    EVT_BUTTON( ID_ADD, MyFrame::OnAdd )
+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))
 {
 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;
 
     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;
     wxMenuBar *menu_bar = new wxMenuBar;

-    menu_bar->Append(file_menu, _T("&File"));
+    menu_bar->Append(file_menu, "&File");
+

     SetMenuBar(menu_bar);
     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_INERT, 200,
+                                     DEFAULT_ALIGN, wxDATAVIEW_COL_SORTABLE );
+    m_dataview->AppendTextColumn( "Year", 2, wxDATAVIEW_CELL_INERT, 50,
+                                     DEFAULT_ALIGN );
+
+    main_sizer->Add( m_dataview, 2, wxGROW );

     
     

-    // Left wxDataViewCtrl
-    dataview_left = new wxDataViewCtrl( this, -1 );
+    wxBoxSizer *button_sizer = new wxBoxSizer( wxHORIZONTAL );

     
     

-    MyTextModel *model = new MyTextModel;
-    dataview_left->AssociateModel( model );
+    button_sizer->Add( new wxButton( this, ID_ADD, "Add Mozart"), 0, wxALL, 10 );

     
     

-    dataview_left->AppendStringColumn( wxT("first"), 0 );
-    dataview_left->AppendStringColumn( wxT("second"), 1 );
-    wxDataViewTextCell *cell = new wxDataViewTextCell( wxT("string"), wxDATAVIEW_CELL_EDITABLE );
-    wxDataViewColumn *column = new wxDataViewColumn( wxT("editable"), cell, 2 );
-    dataview_left->AppendColumn( column );
+    main_sizer->Add( button_sizer, 0, 0, 0 );

     
     

-    // Right wxDataViewCtrl using the same model
-    dataview_right = new wxDataViewCtrl( this, -1 );
-    dataview_right->AssociateModel( model );
+    m_log = new wxTextCtrl( this, -1, "", wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );

     
     

-    cell = new wxDataViewTextCell( wxT("string"), wxDATAVIEW_CELL_EDITABLE );
-    column = new wxDataViewColumn( wxT("editable"), cell, 2 );
-    dataview_right->AppendColumn( column );
-    dataview_right->AppendStringColumn( wxT("first"), 0 );
-    dataview_right->AppendStringColumn( wxT("second"), 1 );
+    main_sizer->Add( m_log, 1, wxGROW );

     
     

-    wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
-    sizer->Add( dataview_left, 1, wxGROW );
-    sizer->Add(10,10);
-    sizer->Add( dataview_right, 1, wxGROW );
-    SetSizer( sizer );
+    SetSizer( main_sizer );

 }
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 }
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )


@@ -185,12 +410,32 @@ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
     Close(true);
 }
 
     Close(true);
 }
 

+void MyFrame::OnAdd(wxCommandEvent& WXUNUSED(event) )
+{
+#if 0
+    // ignore selection, do something better later
+    wxDataViewItem item = m_dataview->GetSelection();
+    if (item.IsOk())
+    {
+        if (m_model->HasChildren(item))
+        {
+        }
+        else
+        {
+        }
+    }
+#endif    
+  
+    m_model->AddToClassical( "Kleine Nachtmusik", "Wolfgang Mozart", "1787" );
+}
+

 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 {
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 {

-    wxMessageDialog dialog(this, _T("This demonstrates the dataview control handling"),
-        _T("About DataView"), wxOK);
+    wxAboutDialogInfo info;
+    info.SetName(_("DataView sample"));
+    info.SetDescription(_("This sample demonstrates the dataview control handling"));
+    info.SetCopyright(_T("(C) 2007 Robert Roebling"));

 
 

-    dialog.ShowModal();
+    wxAboutBox(info);

 }
 
 }
 

-