listbox rewrite, cleanup

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38832 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/checklst.cpp

@@ -30,6 +30,18 @@ IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
 BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
 END_EVENT_TABLE()
 
+class wxMacDataBrowserCheckListControl : public wxMacDataBrowserListControl , public wxMacCheckListControl
+{
+public:
+    wxMacDataBrowserCheckListControl( wxListBox *peer, const wxPoint& pos, const wxSize& size, long style );
+    ~wxMacDataBrowserCheckListControl();
+
+    virtual wxMacListBoxItem* CreateItem();
+    
+    virtual bool            MacIsChecked(unsigned int n) const;
+    virtual void            MacCheck(unsigned int n, bool bCheck = true);
+};
+
 void wxCheckListBox::Init()
 {
 }
@@ -69,9 +81,9 @@ bool wxCheckListBox::Create(
         return false;
 
     // this will be increased by our Append command
-    m_noItems = 0;
-
-    m_peer = (wxMacControl*) CreateMacListControl(pos , size , style );
+    wxMacDataBrowserCheckListControl* control = new wxMacDataBrowserCheckListControl( this, pos, size, style );
+    control->SetClientDataType( m_clientDataItemsType );
+    m_peer = control;
 
     MacPostControlCreate(pos,size);
 
@@ -92,7 +104,7 @@ bool wxCheckListBox::IsChecked(unsigned int item) const
     wxCHECK_MSG( IsValid(item), false,
                  wxT("invalid index in wxCheckListBox::IsChecked") );
 
-    return m_checks[item] != 0;
+    return GetPeer()->MacIsChecked( item );
 }
 
 void wxCheckListBox::Check(unsigned int item, bool check)
@@ -100,62 +112,158 @@ void wxCheckListBox::Check(unsigned int item, bool check)
     wxCHECK_RET( IsValid(item),
                  wxT("invalid index in wxCheckListBox::Check") );
 
-    bool isChecked = m_checks[item] != 0;
+    bool isChecked = GetPeer()->MacIsChecked( item );
     if ( check != isChecked )
     {
-        m_checks[item] = check;
-        MacUpdateLine( item );
+        GetPeer()->MacCheck( item , check );
     }
 }
 
-// ----------------------------------------------------------------------------
-// methods forwarded to wxCheckListBox
-// ----------------------------------------------------------------------------
-
-void wxCheckListBox::Delete(unsigned int n)
+wxMacCheckListControl* wxCheckListBox::GetPeer() const 
 { 
-    wxCHECK_RET( IsValid(n), wxT("invalid index in wxCheckListBox::Delete") );
-
-    wxListBox::Delete( n );
-    m_checks.RemoveAt( n );
+    return dynamic_cast<wxMacCheckListControl*>(m_peer); 
 }
 
-int wxCheckListBox::DoAppend(const wxString& item)
+const short kCheckboxColumnId = 1026;
+
+wxMacDataBrowserCheckListControl::wxMacDataBrowserCheckListControl( wxListBox *peer, const wxPoint& pos, const wxSize& size, long style)
+    : wxMacDataBrowserListControl( peer, pos, size, style )
 {
-    int pos = wxListBox::DoAppend( item );
+    OSStatus err = noErr;
 
-    // the item is initially unchecked
-    m_checks.Insert( false, pos );
+    DataBrowserListViewColumnDesc columnDesc;
+    columnDesc.headerBtnDesc.titleOffset = 0;
+    columnDesc.headerBtnDesc.version = kDataBrowserListViewLatestHeaderDesc;
 
-    return pos;
+    columnDesc.headerBtnDesc.btnFontStyle.flags =
+        kControlUseFontMask | kControlUseJustMask;
+
+    columnDesc.headerBtnDesc.btnContentInfo.contentType = kControlNoContent;
+    columnDesc.headerBtnDesc.btnFontStyle.just = teFlushDefault;
+    columnDesc.headerBtnDesc.btnFontStyle.font = kControlFontViewSystemFont;
+    columnDesc.headerBtnDesc.btnFontStyle.style = normal;
+    columnDesc.headerBtnDesc.titleString = NULL;
+
+    columnDesc.headerBtnDesc.minimumWidth = 30;
+    columnDesc.headerBtnDesc.maximumWidth = 30;
+
+    columnDesc.propertyDesc.propertyID = kCheckboxColumnId;
+    columnDesc.propertyDesc.propertyType = kDataBrowserCheckboxType;
+    columnDesc.propertyDesc.propertyFlags =
+        kDataBrowserPropertyIsMutable
+        | kDataBrowserTableViewSelectionColumn
+        | kDataBrowserDefaultPropertyFlags;
+        
+    err = AddColumn( &columnDesc, 0 );
+    verify_noerr( err );
 }
 
-void wxCheckListBox::DoInsertItems(const wxArrayString& items, unsigned int pos)
+wxMacDataBrowserCheckListControl::~wxMacDataBrowserCheckListControl()
 {
-    wxListBox::DoInsertItems( items, pos );
     
-    unsigned int count = items.GetCount();
-    for ( unsigned int n = 0; n < count; n++ )
+}
+
+class wxMacCheckListBoxItem : public wxMacListBoxItem
+{
+public :
+    wxMacCheckListBoxItem()
     {
-        m_checks.Insert( false, pos + n );
+        m_isChecked = false;
     }
-}
     
-void wxCheckListBox::DoSetItems(const wxArrayString& items, void **clientData)
-{
-    // call it first as it does DoClear()
-    wxListBox::DoSetItems( items, clientData );
-
-    unsigned int count = items.GetCount();
-    for ( unsigned int n = 0; n < count; n++ )
+    ~wxMacCheckListBoxItem()
     {
-        m_checks.Add( false );
     }
+    
+    virtual OSStatus GetSetData( wxMacDataItemBrowserControl *owner ,
+        DataBrowserPropertyID property,
+        DataBrowserItemDataRef itemData,
+        bool changeValue ) 
+    {
+        OSStatus err = errDataBrowserPropertyNotSupported;
+
+        wxCheckListBox *checklist = wxDynamicCast( owner->GetPeer() , wxCheckListBox );
+        wxCHECK_MSG( checklist != NULL , errDataBrowserPropertyNotSupported , wxT("wxCheckListBox expected"));
+
+        if ( !changeValue )
+        {
+            switch (property)
+            {
+                case kCheckboxColumnId:
+                    verify_noerr(SetDataBrowserItemDataButtonValue( itemData, m_isChecked ? kThemeButtonOn : kThemeButtonOff ));
+                    err = noErr;
+                    break;
+
+                case kDataBrowserItemIsEditableProperty:
+                    verify_noerr(SetDataBrowserItemDataBooleanValue( itemData, true ));
+                    err = noErr;
+                    break;
+
+                default:
+                    break;
+            }
+        }
+        else
+        {
+            switch (property)
+            {
+            case kCheckboxColumnId:
+                {
+                    // we have to change this behind the back, since Check() would be triggering another update round
+                    bool newVal = !m_isChecked;
+                    verify_noerr(SetDataBrowserItemDataButtonValue( itemData, newVal ? kThemeButtonOn : kThemeButtonOff ));
+                    m_isChecked = newVal;
+                    err = noErr;
+
+                    wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, checklist->GetId() );
+                    event.SetInt( owner->GetLineFromItem( this ) );
+                    event.SetEventObject( checklist );
+                    checklist->GetEventHandler()->ProcessEvent( event );               
+                }
+                break;
+
+            default:
+                break;
+            }
+        }
+
+        if ( err == errDataBrowserPropertyNotSupported )
+            err = wxMacListBoxItem::GetSetData( owner , property, itemData , changeValue);
+
+        return err;
+    }
+
+    void Check( bool check ) 
+    {
+        m_isChecked = check;
+    }
+    bool IsChecked() const 
+    {
+         return m_isChecked; 
+    }
+
+protected :
+    bool        m_isChecked;
+};
+
+wxMacListBoxItem* wxMacDataBrowserCheckListControl::CreateItem() 
+{
+    return new wxMacCheckListBoxItem();
 }
 
-void wxCheckListBox::DoClear()
+void wxMacDataBrowserCheckListControl::MacCheck( unsigned int n, bool bCheck) 
 {
-    m_checks.Empty();
+    wxMacCheckListBoxItem* item = dynamic_cast<wxMacCheckListBoxItem*>( GetItemFromLine( n) );
+    item->Check( bCheck);
+    UpdateItem(wxMacDataBrowserRootContainer, item , kCheckboxColumnId);
 }
 
+bool wxMacDataBrowserCheckListControl::MacIsChecked( unsigned int n) const 
+{
+    wxMacCheckListBoxItem * item = dynamic_cast<wxMacCheckListBoxItem*>( GetItemFromLine( n ) );
+    return item->IsChecked();    
+}
+
+
+
 #endif // wxUSE_CHECKLISTBOX