include/wx/dataview.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/dataview.h
   3 // Purpose:     wxDataViewCtrl base classes
   4 // Author:      Robert Roebling
   5 // Modified by:
   6 // Created:     08.01.06
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Robert Roebling
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_DATAVIEW_H_BASE_
  13 #define _WX_DATAVIEW_H_BASE_
  14
  15 #include "wx/defs.h"
  16
  17 #if wxUSE_DATAVIEWCTRL
  18
  19 #include "wx/control.h"
  20 #include "wx/textctrl.h"
  21 #include "wx/bitmap.h"
  22 #include "wx/variant.h"
  23
  24
  25 #if defined(__WXGTK20__)
  26     // for testing
  27     // #define wxUSE_GENERICDATAVIEWCTRL 1
  28 #elif defined(__WXMAC__)
  29     #define wxUSE_GENERICDATAVIEWCTRL 1
  30 #else
  31     #define wxUSE_GENERICDATAVIEWCTRL 1
  32 #endif
  33
  34 // ----------------------------------------------------------------------------
  35 // wxDataViewCtrl flags
  36 // ----------------------------------------------------------------------------
  37
  38 // ----------------------------------------------------------------------------
  39 // wxDataViewCtrl globals
  40 // ----------------------------------------------------------------------------
  41
  42 class WXDLLIMPEXP_ADV wxDataViewModel;
  43 class WXDLLIMPEXP_ADV wxDataViewListModel;
  44 class WXDLLIMPEXP_ADV wxDataViewCtrl;
  45 class WXDLLIMPEXP_ADV wxDataViewColumn;
  46 class WXDLLIMPEXP_ADV wxDataViewRenderer;
  47
  48 extern WXDLLIMPEXP_DATA_ADV(const wxChar) wxDataViewCtrlNameStr[];
  49
  50 // ---------------------------------------------------------
  51 // wxDataViewModel
  52 // ---------------------------------------------------------
  53
  54 class WXDLLIMPEXP_ADV wxDataViewModel: public wxObject
  55 {
  56 public:
  57     wxDataViewModel() { }
  58     virtual ~wxDataViewModel() { }
  59
  60 protected:
  61     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewModel)
  62 };
  63
  64 // ---------------------------------------------------------
  65 // wxDataViewListModelNotifier
  66 // ---------------------------------------------------------
  67
  68
  69 class WXDLLIMPEXP_ADV wxDataViewListModelNotifier: public wxObject
  70 {
  71 public:
  72     wxDataViewListModelNotifier() { }
  73     virtual ~wxDataViewListModelNotifier() { }
  74
  75     virtual bool RowAppended() = 0;
  76     virtual bool RowPrepended() = 0;
  77     virtual bool RowInserted( unsigned int before ) = 0;
  78     virtual bool RowDeleted( unsigned int row ) = 0;
  79     virtual bool RowChanged( unsigned int row ) = 0;
  80     virtual bool ValueChanged( unsigned int col, unsigned int row ) = 0;
  81     virtual bool RowsReordered( unsigned int *new_order ) = 0;
  82     virtual bool Cleared() = 0;
  83
  84     void SetOwner( wxDataViewListModel *owner ) { m_owner = owner; }
  85     wxDataViewListModel *GetOwner()             { return m_owner; }
  86
  87 private:
  88     wxDataViewListModel *m_owner;
  89 };
  90
  91 // ---------------------------------------------------------
  92 // wxDataViewListModel
  93 // ---------------------------------------------------------
  94
  95 class WXDLLIMPEXP_ADV wxDataViewViewingColumn: public wxObject
  96 {
  97 public:
  98     wxDataViewViewingColumn( wxDataViewColumn *view_column, unsigned int model_column )
  99     {
 100         m_viewColumn = view_column;
 101         m_modelColumn = model_column;
 102     }
 103
 104     wxDataViewColumn   *m_viewColumn;
 105     unsigned int        m_modelColumn;
 106 };
 107
 108 class WXDLLIMPEXP_ADV wxDataViewListModel: public wxDataViewModel
 109 {
 110 public:
 111     wxDataViewListModel();
 112     virtual ~wxDataViewListModel();
 113
 114     virtual unsigned int GetNumberOfRows() = 0;
 115     virtual unsigned int GetNumberOfCols() = 0;
 116     // return type as reported by wxVariant
 117     virtual wxString GetColType( unsigned int col ) = 0;
 118     // get value into a wxVariant
 119     virtual void GetValue( wxVariant &variant, unsigned int col, unsigned int row ) = 0;
 120     // set value, call ValueChanged() afterwards!
 121     virtual bool SetValue( wxVariant &variant, unsigned int col, unsigned int row ) = 0;
 122
 123     // delegated notifiers
 124     virtual bool RowAppended();
 125     virtual bool RowPrepended();
 126     virtual bool RowInserted( unsigned int before );
 127     virtual bool RowDeleted( unsigned int row );
 128     virtual bool RowChanged( unsigned int row );
 129     virtual bool ValueChanged( unsigned int col, unsigned int row );
 130     virtual bool RowsReordered( unsigned int *new_order );
 131     virtual bool Cleared();
 132
 133     // Used internally
 134     virtual void AddViewingColumn( wxDataViewColumn *view_column, unsigned int model_column );
 135     virtual void RemoveViewingColumn( wxDataViewColumn *column );
 136
 137     virtual void AddNotifier( wxDataViewListModelNotifier *notifier );
 138     virtual void RemoveNotifier( wxDataViewListModelNotifier *notifier );
 139
 140     wxList                      m_notifiers;
 141     wxList                      m_viewingColumns;
 142
 143 protected:
 144     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewListModel)
 145 };
 146
 147 // ---------------------------------------------------------
 148 // wxDataViewSortedListModel
 149 // ---------------------------------------------------------
 150
 151 typedef int (wxCALLBACK *wxDataViewListModelCompare)
 152     (unsigned int row1, unsigned int row2, unsigned int col, wxDataViewListModel* model );
 153
 154 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSortedIndexArray, WXDLLIMPEXP_ADV);
 155
 156 class WXDLLIMPEXP_ADV wxDataViewSortedListModel: public wxDataViewListModel
 157 {
 158 public:
 159     wxDataViewSortedListModel( wxDataViewListModel *child );
 160     virtual ~wxDataViewSortedListModel();
 161
 162     void SetAscending( bool ascending ) { m_ascending = ascending; }
 163     bool GetAscending() { return m_ascending; }
 164
 165     virtual unsigned int GetNumberOfRows();
 166     virtual unsigned int GetNumberOfCols();
 167     // return type as reported by wxVariant
 168     virtual wxString GetColType( unsigned int col );
 169     // get value into a wxVariant
 170     virtual void GetValue( wxVariant &variant, unsigned int col, unsigned int row );
 171     // set value, call ValueChanged() afterwards!
 172     virtual bool SetValue( wxVariant &variant, unsigned int col, unsigned int row );
 173
 174     // called from user
 175     virtual bool RowAppended();
 176     virtual bool RowPrepended();
 177     virtual bool RowInserted( unsigned int before );
 178     virtual bool RowDeleted( unsigned int row );
 179     virtual bool RowChanged( unsigned int row );
 180     virtual bool ValueChanged( unsigned int col, unsigned int row );
 181     virtual bool RowsReordered( unsigned int *new_order );
 182     virtual bool Cleared();
 183
 184     // called if child's notifiers are called
 185     bool ChildRowAppended();
 186     bool ChildRowPrepended();
 187     bool ChildRowInserted( unsigned int before );
 188     bool ChildRowDeleted( unsigned int row );
 189     bool ChildRowChanged( unsigned int row );
 190     bool ChildValueChanged( unsigned int col, unsigned int row );
 191     bool ChildRowsReordered( unsigned int *new_order );
 192     bool ChildCleared();
 193
 194     virtual void Resort();
 195
 196 private:
 197     bool                             m_ascending;
 198     wxDataViewListModel             *m_child;
 199     wxDataViewSortedIndexArray       m_array;
 200     wxDataViewListModelNotifier     *m_notifierOnChild;
 201
 202     void InitStatics(); // BAD
 203
 204 protected:
 205     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewSortedListModel)
 206 };
 207
 208 // ---------------------------------------------------------
 209 // wxDataViewRendererBase
 210 // ---------------------------------------------------------
 211
 212 enum wxDataViewCellMode
 213 {
 214     wxDATAVIEW_CELL_INERT,
 215     wxDATAVIEW_CELL_ACTIVATABLE,
 216     wxDATAVIEW_CELL_EDITABLE
 217 };
 218
 219 enum wxDataViewCellRenderState
 220 {
 221     wxDATAVIEW_CELL_SELECTED    = 1,
 222     wxDATAVIEW_CELL_PRELIT      = 2,
 223     wxDATAVIEW_CELL_INSENSITIVE = 4,
 224     wxDATAVIEW_CELL_FOCUSED     = 8
 225 };
 226
 227 class WXDLLIMPEXP_ADV wxDataViewRendererBase: public wxObject
 228 {
 229 public:
 230     wxDataViewRendererBase( const wxString &varianttype, wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT );
 231
 232     virtual bool SetValue( const wxVariant& WXUNUSED(value) ) { return true; }
 233     virtual bool GetValue( wxVariant& WXUNUSED(value) )       { return true; }
 234     virtual bool Validate( wxVariant& WXUNUSED(value) )       { return true; }
 235
 236     wxString GetVariantType()       { return m_variantType; }
 237     wxDataViewCellMode GetMode()    { return m_mode; }
 238
 239     void SetOwner( wxDataViewColumn *owner )    { m_owner = owner; }
 240     wxDataViewColumn* GetOwner()                { return m_owner; }
 241
 242 protected:
 243     wxDataViewCellMode      m_mode;
 244     wxString                m_variantType;
 245     wxDataViewColumn       *m_owner;
 246
 247 protected:
 248     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewRendererBase)
 249 };
 250
 251 // ---------------------------------------------------------
 252 // wxDataViewColumnBase
 253 // ---------------------------------------------------------
 254
 255 enum wxDataViewColumnFlags
 256 {
 257     wxDATAVIEW_COL_RESIZABLE  = 1,
 258     wxDATAVIEW_COL_SORTABLE   = 2,
 259     wxDATAVIEW_COL_HIDDEN     = 4
 260 };
 261
 262 class WXDLLIMPEXP_ADV wxDataViewColumnBase: public wxObject
 263 {
 264 public:
 265     wxDataViewColumnBase( const wxString &title, wxDataViewRenderer *renderer, unsigned int model_column,
 266         int width = 80, int flags = wxDATAVIEW_COL_RESIZABLE );
 267     wxDataViewColumnBase( const wxBitmap &bitmap, wxDataViewRenderer *renderer, unsigned int model_column,
 268         int width = 80, int flags = wxDATAVIEW_COL_RESIZABLE );
 269     virtual ~wxDataViewColumnBase();
 270
 271     virtual void SetTitle( const wxString &title );
 272     virtual wxString GetTitle();
 273
 274     virtual void SetBitmap( const wxBitmap &bitmap );
 275     virtual const wxBitmap &GetBitmap();
 276
 277     virtual void SetAlignment( wxAlignment align ) = 0;
 278
 279     virtual void SetSortable( bool sortable ) = 0;
 280     virtual bool GetSortable() = 0;
 281     virtual void SetSortOrder( bool ascending ) = 0;
 282     virtual bool IsSortOrderAscending() = 0;
 283
 284     wxDataViewRenderer* GetRenderer()       { return m_renderer; }
 285
 286     unsigned int GetModelColumn()           { return m_model_column; }
 287
 288     void SetOwner( wxDataViewCtrl *owner )  { m_owner = owner; }
 289     wxDataViewCtrl *GetOwner()              { return m_owner; }
 290
 291     virtual int GetWidth() = 0;
 292
 293 private:
 294     wxDataViewCtrl          *m_ctrl;
 295     wxDataViewRenderer      *m_renderer;
 296     int                      m_model_column;
 297     int                      m_flags;
 298     wxString                 m_title;
 299     wxBitmap                 m_bitmap;
 300     wxDataViewCtrl          *m_owner;
 301
 302 protected:
 303     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewColumnBase)
 304 };
 305
 306 // ---------------------------------------------------------
 307 // wxDataViewCtrlBase
 308 // ---------------------------------------------------------
 309
 310 #define wxDV_SINGLE                  0x0000     // for convenience
 311 #define wxDV_MULTIPLE                0x0020     // can select multiple items
 312
 313 class WXDLLIMPEXP_ADV wxDataViewCtrlBase: public wxControl
 314 {
 315 public:
 316     wxDataViewCtrlBase();
 317     virtual ~wxDataViewCtrlBase();
 318
 319     virtual bool AssociateModel( wxDataViewListModel *model );
 320     wxDataViewListModel* GetModel();
 321
 322     // short cuts
 323     virtual bool AppendTextColumn( const wxString &label, unsigned int model_column );
 324     virtual bool AppendToggleColumn( const wxString &label, unsigned int model_column );
 325     virtual bool AppendProgressColumn( const wxString &label, unsigned int model_column );
 326     virtual bool AppendDateColumn( const wxString &label, unsigned int model_column );
 327     virtual bool AppendBitmapColumn( const wxString &label, unsigned int model_column );
 328     virtual bool AppendTextColumn( const wxBitmap &label, unsigned int model_column );
 329     virtual bool AppendToggleColumn( const wxBitmap &label, unsigned int model_column );
 330     virtual bool AppendProgressColumn( const wxBitmap &label, unsigned int model_column );
 331     virtual bool AppendDateColumn( const wxBitmap &label, unsigned int model_column );
 332     virtual bool AppendBitmapColumn( const wxBitmap &label, unsigned int model_column );
 333
 334     virtual bool AppendColumn( wxDataViewColumn *col );
 335     virtual unsigned int GetNumberOfColumns();
 336     virtual bool DeleteColumn( unsigned int pos );
 337     virtual bool ClearColumns();
 338     virtual wxDataViewColumn* GetColumn( unsigned int pos );
 339
 340     virtual void SetSelection( int row ) = 0; // -1 for unselect
 341     inline void ClearSelection() { SetSelection( -1 ); }
 342     virtual void Unselect( unsigned int row ) = 0;
 343     virtual void SetSelectionRange( unsigned int from, unsigned int to ) = 0;
 344     virtual void SetSelections( const wxArrayInt& aSelections) = 0;
 345
 346     virtual bool IsSelected( unsigned int row ) const = 0;
 347     virtual int GetSelection() const = 0;
 348     virtual int GetSelections(wxArrayInt& aSelections) const = 0;
 349
 350 private:
 351     wxDataViewListModel    *m_model;
 352     wxList                  m_cols;
 353
 354 protected:
 355     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewCtrlBase)
 356 };
 357
 358
 359 // ----------------------------------------------------------------------------
 360 // wxDataViewEvent - the event class for the wxDataViewCtrl notifications
 361 // ----------------------------------------------------------------------------
 362
 363 class WXDLLIMPEXP_ADV wxDataViewEvent : public wxNotifyEvent
 364 {
 365 public:
 366     wxDataViewEvent(wxEventType commandType = wxEVT_NULL, int winid = 0)
 367         : wxNotifyEvent(commandType, winid),
 368         m_col(-1),
 369         m_row(-1),
 370         m_model(NULL),
 371         m_value(wxNullVariant),
 372         m_editCancelled(false),
 373         m_column(NULL)
 374         { }
 375
 376     wxDataViewEvent(const wxDataViewEvent& event)
 377         : wxNotifyEvent(event),
 378         m_col(event.m_col),
 379         m_row(event.m_col),
 380         m_model(event.m_model),
 381         m_value(event.m_value),
 382         m_editCancelled(event.m_editCancelled),
 383         m_column(event.m_column)
 384         { }
 385
 386     int GetColumn() const { return m_col; }
 387     void SetColumn( int col ) { m_col = col; }
 388     int GetRow() const { return m_row; }
 389     void SetRow( int row ) { m_row = row; }
 390     wxDataViewModel* GetModel() const { return m_model; }
 391     void SetModel( wxDataViewModel *model ) { m_model = model; }
 392     const wxVariant &GetValue() const { return m_value; }
 393     void SetValue( const wxVariant &value ) { m_value = value; }
 394
 395     // for wxEVT_DATAVIEW_COLUMN_HEADER_CLICKED only
 396     void SetDataViewColumn( wxDataViewColumn *col ) { m_column = col; }
 397     wxDataViewColumn *GetDataViewColumn() { return m_column; }
 398
 399     // was label editing canceled? (for wxEVT_COMMAND_DATVIEW_END_LABEL_EDIT only)
 400     bool IsEditCancelled() const { return m_editCancelled; }
 401     void SetEditCanceled(bool editCancelled) { m_editCancelled = editCancelled; }
 402
 403     virtual wxEvent *Clone() const { return new wxDataViewEvent(*this); }
 404
 405 protected:
 406     int                 m_col;
 407     int                 m_row;
 408     wxDataViewModel    *m_model;
 409     wxVariant           m_value;
 410     bool                m_editCancelled;
 411     wxDataViewColumn   *m_column;
 412
 413 private:
 414     DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxDataViewEvent)
 415 };
 416
 417 BEGIN_DECLARE_EVENT_TYPES()
 418     DECLARE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_ROW_SELECTED, -1)
 419     DECLARE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_ROW_ACTIVATED, -1)
 420     DECLARE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, -1)
 421     DECLARE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, -1)
 422 END_DECLARE_EVENT_TYPES()
 423
 424 typedef void (wxEvtHandler::*wxDataViewEventFunction)(wxDataViewEvent&);
 425
 426 #define wxDataViewEventHandler(func) \
 427     (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxDataViewEventFunction, &func)
 428
 429 #define wx__DECLARE_DATAVIEWEVT(evt, id, fn) \
 430     wx__DECLARE_EVT1(wxEVT_COMMAND_DATAVIEW_ ## evt, id, wxDataViewEventHandler(fn))
 431
 432 #define EVT_DATAVIEW_ROW_SELECTED(id, fn) wx__DECLARE_DATAVIEWEVT(ROW_SELECTED, id, fn)
 433 #define EVT_DATAVIEW_ROW_ACTIVATED(id, fn) wx__DECLARE_DATAVIEWEVT(ROW_ACTIVATED, id, fn)
 434 #define EVT_DATAVIEW_COLUMN_HEADER_CLICK(id, fn) wx__DECLARE_DATAVIEWEVT(COLUMN_HEADER_CLICK, id, fn)
 435 #define EVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICKED(id, fn) wx__DECLARE_DATAVIEWEVT(COLUMN_HEADER_RIGHT_CLICK, id, fn)
 436
 437
 438 #if defined(wxUSE_GENERICDATAVIEWCTRL)
 439     #include "wx/generic/dataview.h"
 440 #elif defined(__WXGTK20__)
 441     #include "wx/gtk/dataview.h"
 442 #elif defined(__WXMAC__)
 443     // TODO
 444     // #include "wx/mac/dataview.h"
 445 #else
 446     #include "wx/generic/dataview.h"
 447 #endif
 448
 449 #endif // wxUSE_DATAVIEWCTRL
 450
 451 #endif
 452     // _WX_DATAVIEW_H_BASE_