include/wx/generic/dataview.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/generic/dataview.h
   3 // Purpose:     wxDataViewCtrl generic implementation header
   4 // Author:      Robert Roebling
   5 // Modified By: Bo Yang
   6 // Id:          $Id$
   7 // Copyright:   (c) 1998 Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef __GENERICDATAVIEWCTRLH__
  12 #define __GENERICDATAVIEWCTRLH__
  13
  14 #include "wx/defs.h"
  15 #include "wx/object.h"
  16 #include "wx/list.h"
  17 #include "wx/control.h"
  18 #include "wx/scrolwin.h"
  19 #include "wx/icon.h"
  20
  21 // ---------------------------------------------------------
  22 // classes
  23 // ---------------------------------------------------------
  24
  25 class WXDLLIMPEXP_FWD_ADV wxDataViewCtrl;
  26 class WXDLLIMPEXP_FWD_ADV wxDataViewMainWindow;
  27 class WXDLLIMPEXP_FWD_ADV wxDataViewHeaderWindow;
  28
  29 // ---------------------------------------------------------
  30 // wxDataViewRenderer
  31 // ---------------------------------------------------------
  32
  33 class WXDLLIMPEXP_ADV wxDataViewRenderer: public wxDataViewRendererBase
  34 {
  35 public:
  36     wxDataViewRenderer( const wxString &varianttype,
  37                         wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
  38                         int align = wxDVR_DEFAULT_ALIGNMENT );
  39     virtual ~wxDataViewRenderer();
  40
  41     virtual bool Render( wxRect cell, wxDC *dc, int state ) = 0;
  42     virtual wxSize GetSize() const = 0;
  43
  44     virtual void SetAlignment( int align )
  45         { m_align=align; }
  46     virtual int GetAlignment() const
  47         { return m_align; }
  48
  49     virtual void SetMode( wxDataViewCellMode mode )
  50         { m_mode=mode; }
  51     virtual wxDataViewCellMode GetMode() const
  52         { return m_mode; }
  53
  54     virtual bool Activate( wxRect WXUNUSED(cell),
  55                            wxDataViewModel *WXUNUSED(model),
  56                            const wxDataViewItem & WXUNUSED(item),
  57                            unsigned int WXUNUSED(col) )
  58                            { return false; }
  59
  60     virtual bool LeftClick( wxPoint WXUNUSED(cursor),
  61                             wxRect WXUNUSED(cell),
  62                             wxDataViewModel *WXUNUSED(model),
  63                             const wxDataViewItem & WXUNUSED(item),
  64                             unsigned int WXUNUSED(col) )
  65                             { return false; }
  66     virtual bool RightClick( wxPoint WXUNUSED(cursor),
  67                              wxRect WXUNUSED(cell),
  68                              wxDataViewModel *WXUNUSED(model),
  69                              const wxDataViewItem & WXUNUSED(item),
  70                              unsigned int WXUNUSED(col) )
  71                              { return false; }
  72     virtual bool StartDrag( wxPoint WXUNUSED(cursor),
  73                             wxRect WXUNUSED(cell),
  74                             wxDataViewModel *WXUNUSED(model),
  75                             const wxDataViewItem & WXUNUSED(item),
  76                             unsigned int WXUNUSED(col) )
  77                             { return false; }
  78
  79     // Create DC on request
  80     virtual wxDC *GetDC();
  81
  82 private:
  83     wxDC                        *m_dc;
  84     int                          m_align;
  85     wxDataViewCellMode           m_mode;
  86
  87 protected:
  88     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewRenderer)
  89 };
  90
  91 // ---------------------------------------------------------
  92 // wxDataViewCustomRenderer
  93 // ---------------------------------------------------------
  94
  95 class WXDLLIMPEXP_ADV wxDataViewCustomRenderer: public wxDataViewRenderer
  96 {
  97 public:
  98     wxDataViewCustomRenderer( const wxString &varianttype = wxT("string"),
  99                               wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
 100                               int align = wxDVR_DEFAULT_ALIGNMENT );
 101
 102 protected:
 103     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewCustomRenderer)
 104 };
 105
 106
 107 // ---------------------------------------------------------
 108 // wxDataViewTextRenderer
 109 // ---------------------------------------------------------
 110
 111 class WXDLLIMPEXP_ADV wxDataViewTextRenderer: public wxDataViewCustomRenderer
 112 {
 113 public:
 114     wxDataViewTextRenderer( const wxString &varianttype = wxT("string"),
 115                             wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
 116                             int align = wxDVR_DEFAULT_ALIGNMENT );
 117
 118     bool SetValue( const wxVariant &value );
 119     bool GetValue( wxVariant &value ) const;
 120
 121     bool Render( wxRect cell, wxDC *dc, int state );
 122     wxSize GetSize() const;
 123
 124     // in-place editing
 125     virtual bool HasEditorCtrl();
 126     virtual wxControl* CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value );
 127     virtual bool GetValueFromEditorCtrl( wxControl* editor, wxVariant &value );
 128
 129 private:
 130     wxString   m_text;
 131
 132 protected:
 133     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewTextRenderer)
 134 };
 135
 136 // ---------------------------------------------------------
 137 // wxDataViewBitmapRenderer
 138 // ---------------------------------------------------------
 139
 140 class WXDLLIMPEXP_ADV wxDataViewBitmapRenderer: public wxDataViewCustomRenderer
 141 {
 142 public:
 143     wxDataViewBitmapRenderer( const wxString &varianttype = wxT("wxBitmap"),
 144                               wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
 145                               int align = wxDVR_DEFAULT_ALIGNMENT );
 146
 147     bool SetValue( const wxVariant &value );
 148     bool GetValue( wxVariant &value ) const;
 149
 150     bool Render( wxRect cell, wxDC *dc, int state );
 151     wxSize GetSize() const;
 152
 153 private:
 154     wxIcon m_icon;
 155     wxBitmap m_bitmap;
 156
 157 protected:
 158     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewBitmapRenderer)
 159 };
 160
 161 // ---------------------------------------------------------
 162 // wxDataViewToggleRenderer
 163 // ---------------------------------------------------------
 164
 165 class WXDLLIMPEXP_ADV wxDataViewToggleRenderer: public wxDataViewCustomRenderer
 166 {
 167 public:
 168     wxDataViewToggleRenderer( const wxString &varianttype = wxT("bool"),
 169                               wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
 170                               int align = wxDVR_DEFAULT_ALIGNMENT );
 171
 172     bool SetValue( const wxVariant &value );
 173     bool GetValue( wxVariant &value ) const;
 174
 175     bool Render( wxRect cell, wxDC *dc, int state );
 176     bool Activate( wxRect cell, wxDataViewModel *model, const wxDataViewItem & item,
 177                             unsigned int col );
 178     wxSize GetSize() const;
 179
 180 private:
 181     bool    m_toggle;
 182
 183 protected:
 184     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewToggleRenderer)
 185 };
 186
 187 // ---------------------------------------------------------
 188 // wxDataViewProgressRenderer
 189 // ---------------------------------------------------------
 190
 191 class WXDLLIMPEXP_ADV wxDataViewProgressRenderer: public wxDataViewCustomRenderer
 192 {
 193 public:
 194     wxDataViewProgressRenderer( const wxString &label = wxEmptyString,
 195                                 const wxString &varianttype = wxT("long"),
 196                                 wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
 197                                 int align = wxDVR_DEFAULT_ALIGNMENT );
 198     virtual ~wxDataViewProgressRenderer();
 199
 200     bool SetValue( const wxVariant &value );
 201     bool GetValue( wxVariant& value ) const;
 202
 203     virtual bool Render( wxRect cell, wxDC *dc, int state );
 204     virtual wxSize GetSize() const;
 205
 206 private:
 207     wxString    m_label;
 208     int         m_value;
 209
 210 protected:
 211     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewProgressRenderer)
 212 };
 213
 214 // ---------------------------------------------------------
 215 // wxDataViewDateRenderer
 216 // ---------------------------------------------------------
 217
 218 class WXDLLIMPEXP_ADV wxDataViewDateRenderer: public wxDataViewCustomRenderer
 219 {
 220 public:
 221     wxDataViewDateRenderer( const wxString &varianttype = wxT("datetime"),
 222                             wxDataViewCellMode mode = wxDATAVIEW_CELL_ACTIVATABLE,
 223                             int align = wxDVR_DEFAULT_ALIGNMENT );
 224
 225     bool SetValue( const wxVariant &value );
 226     bool GetValue( wxVariant& value ) const;
 227
 228     virtual bool Render( wxRect cell, wxDC *dc, int state );
 229     virtual wxSize GetSize() const;
 230     virtual bool Activate( wxRect cell,
 231                            wxDataViewModel *model, const wxDataViewItem & item, unsigned int col );
 232
 233 private:
 234     wxDateTime    m_date;
 235
 236 protected:
 237     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewDateRenderer)
 238 };
 239
 240 // ---------------------------------------------------------
 241 // wxDataViewColumn
 242 // ---------------------------------------------------------
 243
 244 class WXDLLIMPEXP_ADV wxDataViewColumn: public wxDataViewColumnBase
 245 {
 246     friend class wxDataViewHeaderWindowBase;
 247     friend class wxDataViewHeaderWindow;
 248     friend class wxDataViewHeaderWindowMSW;
 249
 250 public:
 251     wxDataViewColumn( const wxString &title, wxDataViewRenderer *renderer,
 252                       unsigned int model_column, int width = wxDVC_DEFAULT_WIDTH,
 253                       wxAlignment align = wxALIGN_CENTER,
 254                       int flags = wxDATAVIEW_COL_RESIZABLE );
 255     wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *renderer,
 256                       unsigned int model_column, int width = wxDVC_DEFAULT_WIDTH,
 257                       wxAlignment align = wxALIGN_CENTER,
 258                       int flags = wxDATAVIEW_COL_RESIZABLE );
 259     virtual ~wxDataViewColumn();
 260
 261     // setters:
 262
 263     virtual void SetTitle( const wxString &title )
 264         { m_title=title; }
 265     virtual void SetAlignment( wxAlignment align )
 266         { m_align=align; }
 267     virtual void SetMinWidth( int minWidth )
 268         { m_minWidth=minWidth; }
 269     virtual void SetWidth( int width );
 270     virtual void SetSortable( bool sortable );
 271     virtual void SetResizeable( bool resizeable );
 272     virtual void SetHidden( bool hidden );
 273     virtual void SetSortOrder( bool ascending );
 274
 275
 276     // getters:
 277
 278     virtual wxString GetTitle() const
 279         { return m_title; }
 280     virtual wxAlignment GetAlignment() const
 281         { return m_align; }
 282     virtual int GetWidth() const
 283         { return m_width; }
 284     virtual int GetMinWidth() const
 285         { return m_minWidth; }
 286     virtual bool IsSortable() const
 287         { return (m_flags & wxDATAVIEW_COL_SORTABLE) != 0; }
 288     virtual bool IsResizeable() const
 289         { return (m_flags & wxDATAVIEW_COL_RESIZABLE) != 0; }
 290     virtual bool IsHidden() const
 291         { return (m_flags & wxDATAVIEW_COL_HIDDEN) != 0; }
 292     virtual bool IsSortOrderAscending() const;
 293
 294
 295 private:
 296     int                      m_width;
 297     int                      m_minWidth;
 298     int                      m_flags;
 299     wxAlignment              m_align;
 300     wxString                 m_title;
 301     bool                     m_ascending;
 302
 303     void Init(int width);
 304
 305     // like SetWidth() but does not ask the header window of the
 306     // wxDataViewCtrl to reflect the width-change.
 307     void SetInternalWidth(int width);
 308
 309 protected:
 310     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewColumn)
 311 };
 312
 313 // ---------------------------------------------------------
 314 // wxDataViewCtrl
 315 // ---------------------------------------------------------
 316
 317 class WXDLLIMPEXP_ADV wxDataViewCtrl: public wxDataViewCtrlBase,
 318                                        public wxScrollHelperNative
 319 {
 320     friend class wxDataViewMainWindow;
 321     friend class wxDataViewHeaderWindowBase;
 322     friend class wxDataViewHeaderWindow;
 323     friend class wxDataViewHeaderWindowMSW;
 324     friend class wxDataViewColumn;
 325
 326 public:
 327     wxDataViewCtrl() : wxScrollHelperNative(this)
 328     {
 329         m_sortingColumn = 0;
 330         Init();
 331     }
 332
 333     wxDataViewCtrl( wxWindow *parent, wxWindowID id,
 334            const wxPoint& pos = wxDefaultPosition,
 335            const wxSize& size = wxDefaultSize, long style = 0,
 336            const wxValidator& validator = wxDefaultValidator )
 337              : wxScrollHelperNative(this)
 338     {
 339         Create(parent, id, pos, size, style, validator );
 340     }
 341
 342     virtual ~wxDataViewCtrl();
 343
 344     void Init();
 345
 346     bool Create(wxWindow *parent, wxWindowID id,
 347            const wxPoint& pos = wxDefaultPosition,
 348            const wxSize& size = wxDefaultSize, long style = 0,
 349            const wxValidator& validator = wxDefaultValidator );
 350
 351     virtual bool AssociateModel( wxDataViewModel *model );
 352     virtual bool AppendColumn( wxDataViewColumn *col );
 353
 354     virtual void DoSetExpanderColumn();
 355     virtual void DoSetIndent();
 356
 357     virtual wxDataViewItem GetSelection();
 358     virtual int GetSelections( wxDataViewItemArray & sel ) const;
 359     virtual void SetSelections( const wxDataViewItemArray & sel );
 360     virtual void Select( const wxDataViewItem & item );
 361     virtual void Unselect( const wxDataViewItem & item );
 362     virtual bool IsSelected( const wxDataViewItem & item ) const;
 363
 364     virtual void SelectAll();
 365     virtual void UnselectAll();
 366
 367     virtual void EnsureVisible( const wxDataViewItem & item,
 368                                 wxDataViewColumn *column = NULL );
 369     virtual void HitTest( const wxPoint & point, wxDataViewItem & item, unsigned int & column ) const;
 370     virtual wxRect GetItemRect( const wxDataViewItem & item, unsigned int column ) const;
 371
 372 protected:
 373     virtual int GetSelections( wxArrayInt & sel ) const;
 374     virtual void SetSelections( const wxArrayInt & sel );
 375     virtual void Select( int row );
 376     virtual void Unselect( int row );
 377     virtual bool IsSelected( int row ) const;
 378     virtual void SelectRange( int from, int to );
 379     virtual void UnselectRange( int from, int to );
 380
 381     virtual void EnsureVisible( int row );
 382
 383     virtual wxDataViewItem GetItemByRow( unsigned int row ) const;
 384     virtual int GetRowByItem( const wxDataViewItem & item ) const;
 385
 386     unsigned int GetSortingColumn() { return m_sortingColumn; }
 387     void SetSortingColumn( unsigned int column ) { m_sortingColumn = column; }
 388
 389 public:     // utility functions not part of the API
 390
 391     // returns the "best" width for the idx-th column
 392     unsigned int GetBestColumnWidth(int WXUNUSED(idx)) const
 393     {
 394         return GetClientSize().GetWidth() / GetColumnCount();
 395     }
 396
 397     // updates the header window after a change in a column setting
 398     void OnColumnChange();
 399
 400     wxWindow *GetMainWindow() { return (wxWindow*) m_clientArea; }
 401
 402 private:
 403     wxDataViewModelNotifier *m_notifier;
 404     wxDataViewMainWindow        *m_clientArea;
 405     wxDataViewHeaderWindow      *m_headerArea;
 406     unsigned int m_sortingColumn;
 407
 408 private:
 409     void OnSize( wxSizeEvent &event );
 410
 411     // we need to return a special WM_GETDLGCODE value to process just the
 412     // arrows but let the other navigation characters through
 413 #ifdef __WXMSW__
 414     virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
 415 #endif // __WXMSW__
 416
 417     WX_FORWARD_TO_SCROLL_HELPER()
 418
 419 private:
 420     DECLARE_DYNAMIC_CLASS(wxDataViewCtrl)
 421     DECLARE_NO_COPY_CLASS(wxDataViewCtrl)
 422     DECLARE_EVENT_TABLE()
 423 };
 424
 425
 426 #endif // __GENERICDATAVIEWCTRLH__