X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/55fbde1232bff0ed44c23775911574ac1b2f8a0a..c782096417f0fd9de6c6d47b23174233ec6bcf57:/samples/dataview/dataview.cpp diff --git a/samples/dataview/dataview.cpp b/samples/dataview/dataview.cpp index 54cd427517..694cb30d8b 100644 --- a/samples/dataview/dataview.cpp +++ b/samples/dataview/dataview.cpp @@ -2,7 +2,7 @@ // Name: dataview.cpp // Purpose: wxDataViewCtrl wxWidgets sample // Author: Robert Roebling -// Modified by: Francesco Montorsi +// Modified by: Francesco Montorsi, Bo Yang // Created: 06/01/06 // RCS-ID: $Id$ // Copyright: (c) Robert Roebling @@ -146,6 +146,7 @@ public: // add to data MyMusicModelNode *child_node = new MyMusicModelNode( m_classical, title, artist, year ); + m_classical->Append( child_node ); if (m_classicalMusicIsKnownToControl) @@ -160,13 +161,45 @@ public: void Delete( const wxDataViewItem &item ) { MyMusicModelNode *node = (MyMusicModelNode*) item.GetID(); - node->GetParent()->GetChildren().Remove( node ); - delete node; + wxDataViewItem parent( node->GetParent() ); // notify control - ItemDeleted( item ); + ItemDeleted( parent, item ); + //We must delete the node after we call ItemDeleted + //The reason is that: + //When we use wxSortedArray, the array find a node through binary search for speed. + //And when the array is searching for some node, it call the model's compare function. + //The compare function need the node to be compared. So we should delete the node later, here. + node->GetParent()->GetChildren().Remove( node ); + delete node; } + // override sorting to always sort branches ascendingly + + int Compare( const wxDataViewItem &item1, const wxDataViewItem &item2, + unsigned int column, bool ascending ) + { + if (IsContainer(item1) && IsContainer(item2)) + { + wxVariant value1,value2; + GetValue( value1, item1, 0 ); + GetValue( value2, item2, 0 ); + + wxString str1 = value1.GetString(); + wxString str2 = value2.GetString(); + int res = str1.Cmp( str2 ); + if (res) return res; + + // items must be different + unsigned long litem1 = (unsigned long) item1.GetID(); + unsigned long litem2 = (unsigned long) item2.GetID(); + + return litem1-litem2; + } + + return wxDataViewModel::Compare( item1, item2, column, ascending ); + } + // implementation of base class virtuals to define model virtual unsigned int GetColumnCount() const @@ -205,12 +238,29 @@ public: } } - virtual bool HasChildren( const wxDataViewItem &item ) const + virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const { + // the invisble root node has no parent + if (!item.IsOk()) + return wxDataViewItem(0); + MyMusicModelNode *node = (MyMusicModelNode*) item.GetID(); - if (!node) + + // "MyMusic" also has no parent + if (node == m_root) + return wxDataViewItem(0); + + return wxDataViewItem( (void*) node->GetParent() ); + } + + virtual bool IsContainer( const wxDataViewItem &item ) const + { + // the invisble root node can have children (in + // our model always "MyMusic") + if (!item.IsOk()) return true; + MyMusicModelNode *node = (MyMusicModelNode*) item.GetID(); return node->IsContainer(); } @@ -236,14 +286,19 @@ public: virtual wxDataViewItem GetNextSibling( const wxDataViewItem &item ) const { MyMusicModelNode *node = (MyMusicModelNode*) item.GetID(); - MyMusicModelNode *parent = node->GetParent(); - if (!parent) + + // "MyMusic" has no siblings in our model + if (node == m_root) return wxDataViewItem(0); + MyMusicModelNode *parent = node->GetParent(); int pos = parent->GetChildren().Index( node ); + + // Something went wrong if (pos == wxNOT_FOUND) return wxDataViewItem(0); + // No more children if (pos == parent->GetChildCount()-1) return wxDataViewItem(0); @@ -258,6 +313,83 @@ private: bool m_classicalMusicIsKnownToControl; }; +class MyListModel: public wxDataViewIndexListModel +{ +public: + MyListModel() : + wxDataViewIndexListModel( 100 ) + { + unsigned int i; + for (i = 0; i < 100; i++) + { + wxString str; + str.Printf( "row number %d", i ); + m_array.Add( str ); + } + } + + // helper methods to change the model + + void Prepend( const wxString &text ) + { + m_array.Insert( text, 0 ); + RowPrepended(); + } + + void DeleteItem( const wxDataViewItem &item ) + { + unsigned int row = GetRow( item ); + m_array.RemoveAt( row ); + RowDeleted( row ); + } + + // implementation of base class virtuals to define model + + virtual unsigned int GetColumnCount() const + { + return 2; + } + + virtual wxString GetColumnType( unsigned int col ) const + { + return "string"; + } + + virtual unsigned int GetRowCount() + { + return m_array.GetCount(); + } + + virtual void GetValue( wxVariant &variant, + unsigned int row, unsigned int col ) const + { + if (col==0) + { + variant = m_array[ row ]; + } + else + { + wxString str; + str.Printf( "row %d col %d", row, col ); + variant = str; + } + } + + virtual bool SetValue( const wxVariant &variant, + unsigned int row, unsigned int col ) + { + if (col == 0) + { + m_array[row] = variant.GetString(); + return true; + } + + return false; + } + + wxArrayString m_array; +}; + // ------------------------------------- // MyApp // ------------------------------------- @@ -281,13 +413,40 @@ public: public: void OnQuit(wxCommandEvent& event); void OnAbout(wxCommandEvent& event); - void OnAdd(wxCommandEvent& event); - void OnDelete(wxCommandEvent& event); + + void OnAddMozart(wxCommandEvent& event); + void OnDeleteMusic(wxCommandEvent& event); + + void OnPrependList(wxCommandEvent& event); + void OnDeleteList(wxCommandEvent& event); + + void OnValueChanged( wxDataViewEvent &event ); + void OnItemAdded( wxDataViewEvent &event ); + void OnItemDeleted( wxDataViewEvent &event ); + + void OnActivated( wxDataViewEvent &event ); + void OnExpanding( wxDataViewEvent &event ); + void OnExpanded( wxDataViewEvent &event ); + void OnCollapsing( wxDataViewEvent &event ); + void OnCollapsed( wxDataViewEvent &event ); + void OnSelected( wxDataViewEvent &event ); + + void OnHeaderClick( wxDataViewEvent &event ); + void OnHeaderRightClick( wxDataViewEvent &event ); + void OnSorted( wxDataViewEvent &event ); + + void OnRightClick( wxMouseEvent &event ); + void OnGoto( wxCommandEvent &event); private: - wxDataViewCtrl* m_dataview; + wxDataViewCtrl* m_musicCtrl; + wxObjectDataPtr m_music_model; + + wxDataViewCtrl* m_listCtrl; + wxObjectDataPtr m_list_model; + wxTextCtrl * m_log; - wxObjectDataPtr m_model; + wxLog *m_logOld; private: DECLARE_EVENT_TABLE() @@ -306,7 +465,7 @@ bool MyApp::OnInit(void) // build the first frame MyFrame *frame = - new MyFrame(NULL, wxT("wxDataViewCtrl feature test"), 10, 10, 700, 440); + new MyFrame(NULL, wxT("wxDataViewCtrl feature test"), 40, 40, 700, 440); frame->Show(true); SetTopWindow(frame); @@ -329,20 +488,49 @@ enum ID_ABOUT = wxID_ABOUT, ID_EXIT = wxID_EXIT, - ID_ADD = 100, - ID_DELETE = 101, + ID_MUSIC_CTRL = 50, + + ID_ADD_MOZART = 100, + ID_DELETE_MUSIC = 101, + + ID_PREPEND_LIST = 200, + ID_DELETE_LIST = 201, + ID_GOTO = 202 }; 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 ) + EVT_BUTTON( ID_ADD_MOZART, MyFrame::OnAddMozart ) + EVT_BUTTON( ID_DELETE_MUSIC, MyFrame::OnDeleteMusic ) + EVT_BUTTON( ID_PREPEND_LIST, MyFrame::OnPrependList ) + EVT_BUTTON( ID_DELETE_LIST, MyFrame::OnDeleteList ) + EVT_BUTTON( ID_GOTO, MyFrame::OnGoto) + + EVT_DATAVIEW_MODEL_ITEM_ADDED( ID_MUSIC_CTRL, MyFrame::OnItemAdded ) + EVT_DATAVIEW_MODEL_ITEM_DELETED( ID_MUSIC_CTRL, MyFrame::OnItemDeleted ) + EVT_DATAVIEW_MODEL_VALUE_CHANGED( ID_MUSIC_CTRL, MyFrame::OnValueChanged ) + EVT_DATAVIEW_MODEL_ITEM_CHANGED( ID_MUSIC_CTRL, MyFrame::OnValueChanged ) + + EVT_DATAVIEW_ITEM_ACTIVATED(ID_MUSIC_CTRL, MyFrame::OnActivated ) + EVT_DATAVIEW_ITEM_EXPANDING(ID_MUSIC_CTRL, MyFrame::OnExpanding) + EVT_DATAVIEW_ITEM_EXPANDED(ID_MUSIC_CTRL, MyFrame::OnExpanded) + EVT_DATAVIEW_ITEM_COLLAPSING(ID_MUSIC_CTRL, MyFrame::OnCollapsing) + EVT_DATAVIEW_ITEM_COLLAPSED(ID_MUSIC_CTRL, MyFrame::OnCollapsed) + EVT_DATAVIEW_ITEM_SELECTED(ID_MUSIC_CTRL, MyFrame::OnSelected) + + EVT_DATAVIEW_COLUMN_HEADER_CLICK(ID_MUSIC_CTRL, MyFrame::OnHeaderClick) + EVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICKED(ID_MUSIC_CTRL, MyFrame::OnHeaderRightClick) + EVT_DATAVIEW_COLUMN_SORTED(ID_MUSIC_CTRL, MyFrame::OnSorted) + + EVT_RIGHT_UP(MyFrame::OnRightClick) 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)) { + m_log = NULL; + SetIcon(wxICON(sample)); // build the menus: @@ -360,30 +548,59 @@ MyFrame::MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h): wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL ); - m_dataview = new wxDataViewCtrl( this, wxID_ANY, wxDefaultPosition, - wxDefaultSize ); + wxBoxSizer *data_sizer = new wxBoxSizer( wxHORIZONTAL ); + + // MyMusic - m_model = new MyMusicModel; - m_dataview->AssociateModel( m_model.get() ); + m_musicCtrl = new wxDataViewCtrl( this, ID_MUSIC_CTRL, wxDefaultPosition, + wxDefaultSize, wxDV_MULTIPLE ); - m_dataview->AppendTextColumn( "Title", 0, wxDATAVIEW_CELL_INERT, 200, + m_music_model = new MyMusicModel; + m_musicCtrl->AssociateModel( m_music_model.get() ); + + m_musicCtrl->AppendTextColumn( "Title", 0, wxDATAVIEW_CELL_INERT, 200, DEFAULT_ALIGN, wxDATAVIEW_COL_SORTABLE ); - m_dataview->AppendTextColumn( "Artist", 1, wxDATAVIEW_CELL_EDITABLE, 200, + m_musicCtrl->AppendTextColumn( "Artist", 1, wxDATAVIEW_CELL_EDITABLE, 200, DEFAULT_ALIGN, wxDATAVIEW_COL_SORTABLE ); - m_dataview->AppendTextColumn( "Year", 2, wxDATAVIEW_CELL_INERT, 50, + m_musicCtrl->AppendTextColumn( "Year", 2, wxDATAVIEW_CELL_INERT, 50, DEFAULT_ALIGN ); - main_sizer->Add( m_dataview, 2, wxGROW ); + data_sizer->Add( m_musicCtrl, 3, wxGROW ); + +#if 1 + + // MyList + + m_listCtrl = new wxDataViewCtrl( this, wxID_ANY, wxDefaultPosition, + wxDefaultSize, wxDV_MULTIPLE ); + + m_list_model = new MyListModel; + m_listCtrl->AssociateModel( m_list_model.get() ); + + m_listCtrl->AppendTextColumn( "editable string", 0, wxDATAVIEW_CELL_EDITABLE, 120 ); + m_listCtrl->AppendTextColumn( "index", 1, wxDATAVIEW_CELL_INERT, 120 ); + + data_sizer->Add( m_listCtrl, 2, wxGROW ); + +#endif + + main_sizer->Add( data_sizer, 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 ); + button_sizer->Add( new wxButton( this, ID_ADD_MOZART, "Add Mozart"), 0, wxALL, 10 ); + button_sizer->Add( new wxButton( this, ID_DELETE_MUSIC, "Delete selected"), 0, wxALL, 10 ); + button_sizer->Add( 10, 10, 1 ); + button_sizer->Add( new wxButton( this, ID_PREPEND_LIST, "Prepend"), 0, wxALL, 10 ); + button_sizer->Add( new wxButton( this, ID_DELETE_LIST, "Delete selected"), 0, wxALL, 10 ); + button_sizer->Add( new wxButton( this, ID_GOTO, "Goto 50"), 0, wxALL, 10 ); - main_sizer->Add( button_sizer, 0, 0, 0 ); + main_sizer->Add( button_sizer, 0, wxGROW, 0 ); m_log = new wxTextCtrl( this, -1, "", wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE ); - + m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_log)); + wxLogMessage("This is the log window"); + main_sizer->Add( m_log, 1, wxGROW ); SetSizer( main_sizer ); @@ -394,16 +611,142 @@ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) ) Close(true); } -void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event) ) +void MyFrame::OnAddMozart(wxCommandEvent& WXUNUSED(event) ) { - wxDataViewItem item = m_dataview->GetSelection(); - if (item.IsOk()) - m_model->Delete( item ); + m_music_model->AddToClassical( "Kleine Nachtmusik", "Wolfgang Mozart", "1787" ); +} + +void MyFrame::OnDeleteMusic(wxCommandEvent& WXUNUSED(event) ) +{ + wxDataViewItemArray items; + int len = m_musicCtrl->GetSelections( items ); + for( int i = 0; i < len; i ++ ) + if (items[i].IsOk()) + m_music_model->Delete( items[i] ); +} + +void MyFrame::OnPrependList( wxCommandEvent& WXUNUSED(event) ) +{ + m_list_model->Prepend( "Test" ); +} + +void MyFrame::OnDeleteList( wxCommandEvent& WXUNUSED(event) ) +{ + wxDataViewItemArray items; + int len = m_listCtrl->GetSelections( items ); + for( int i = 0; i < len; i ++ ) + if (items[i].IsOk()) + m_list_model->DeleteItem( items[i] ); +} + +void MyFrame::OnItemAdded( wxDataViewEvent &event ) +{ + if (!m_log) + return; + + wxLogMessage("wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_ADDED, Item Id: %d",event.GetItem().GetID()); +} + +void MyFrame::OnItemDeleted( wxDataViewEvent &event ) +{ + if (!m_log) + return; + + wxLogMessage( "EVT_DATAVIEW_MODEL_ITEM_DELETED, Item Id: %d", event.GetItem().GetID() ); +} + +void MyFrame::OnValueChanged( wxDataViewEvent &event ) +{ + if (!m_log) + return; + + wxLogMessage( "EVT_DATAVIEW_MODEL_VALUE_CHANGED, Item Id: %d; Column: %d", event.GetItem().GetID(), event.GetColumn() ); +} + +void MyFrame::OnActivated( wxDataViewEvent &event ) +{ + if(!m_log) + return; + + wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, Item Id: %d; Column: %d", event.GetItem().GetID(), event.GetColumn()); +} + +void MyFrame::OnSelected( wxDataViewEvent &event ) +{ + if(!m_log) + return; + + wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_SELECTED, Item Id: %d", event.GetItem().GetID() ); +} + +void MyFrame::OnExpanding( wxDataViewEvent &event ) +{ + if (!m_log) + return; + + wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, Item Id: %d", event.GetItem().GetID() ); +} + +void MyFrame::OnExpanded( wxDataViewEvent &event ) +{ + if (!m_log) + return; + + wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, Item Id: %d", event.GetItem().GetID() ); +} + +void MyFrame::OnCollapsing( wxDataViewEvent &event ) +{ + if (!m_log) + return; + + wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, Item Id: %d", event.GetItem().GetID() ); +} + +void MyFrame::OnCollapsed( wxDataViewEvent &event ) +{ + if (!m_log) + return; + + wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, Item Id: %d", event.GetItem().GetID() ); +} + +void MyFrame::OnHeaderClick( wxDataViewEvent &event ) +{ + if(!m_log) + return; + + wxLogMessage("wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, Column: %d", event.GetColumn()); +} + +void MyFrame::OnHeaderRightClick( wxDataViewEvent &event ) +{ + if(!m_log) + return; + + wxLogMessage("wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, Column: %d", event.GetColumn()); +} + +void MyFrame::OnSorted( wxDataViewEvent &event ) +{ + if(!m_log) + return; + + wxLogMessage("wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, Column: %d", event.GetColumn()); +} + +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()); } -void MyFrame::OnAdd(wxCommandEvent& WXUNUSED(event) ) +void MyFrame::OnGoto( wxCommandEvent &event) { - m_model->AddToClassical( "Kleine Nachtmusik", "Wolfgang Mozart", "1787" ); + wxDataViewItem item = m_list_model->GetItem( 50 ); + m_listCtrl->EnsureVisible(item); } void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )