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_CORE wxDataViewModel;
  43 class WXDLLIMPEXP_CORE wxDataViewListModel;
  44 class WXDLLIMPEXP_CORE wxDataViewCtrl;
  45 class WXDLLIMPEXP_CORE wxDataViewColumn;
  46 class WXDLLIMPEXP_CORE wxDataViewCell;
  47
  48 extern WXDLLEXPORT_DATA(const wxChar) wxDataViewCtrlNameStr[];
  49
  50 // ---------------------------------------------------------
  51 // wxDataViewModel
  52 // ---------------------------------------------------------
  53
  54 class 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 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( size_t before ) = 0;
  78     virtual bool RowDeleted( size_t row ) = 0;
  79     virtual bool RowChanged( size_t row ) = 0;
  80     virtual bool ValueChanged( size_t col, size_t row ) = 0;
  81     virtual bool RowsReordered( size_t *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 wxDataViewViewingColumn: public wxObject
  96 {
  97 public:
  98     wxDataViewViewingColumn( wxDataViewColumn *view_column, size_t model_column )
  99     {
 100         m_viewColumn = view_column;
 101         m_modelColumn = model_column;
 102     }
 103
 104     wxDataViewColumn   *m_viewColumn;
 105     size_t              m_modelColumn;
 106 };
 107
 108 class wxDataViewListModel: public wxDataViewModel
 109 {
 110 public:
 111     wxDataViewListModel();
 112     virtual ~wxDataViewListModel();
 113
 114     virtual size_t GetNumberOfRows() = 0;
 115     virtual size_t GetNumberOfCols() = 0;
 116     // return type as reported by wxVariant
 117     virtual wxString GetColType( size_t col ) = 0;
 118     // get value into a wxVariant
 119     virtual void GetValue( wxVariant &variant, size_t col, size_t row ) = 0;
 120     // set value, call ValueChanged() afterwards!
 121     virtual bool SetValue( wxVariant &variant, size_t col, size_t row ) = 0;
 122
 123     // delegated notifiers
 124     virtual bool RowAppended();
 125     virtual bool RowPrepended();
 126     virtual bool RowInserted( size_t before );
 127     virtual bool RowDeleted( size_t row );
 128     virtual bool RowChanged( size_t row );
 129     virtual bool ValueChanged( size_t col, size_t row );
 130     virtual bool RowsReordered( size_t *new_order );
 131     virtual bool Cleared();
 132
 133     // Used internally
 134     virtual void AddViewingColumn( wxDataViewColumn *view_column, size_t 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     (size_t row1, size_t row2, size_t col, wxDataViewListModel* model );
 153
 154 WX_DEFINE_SORTED_EXPORTED_ARRAY_SIZE_T(size_t, wxDataViewSortedIndexArray );
 155
 156 class wxDataViewSortedListModel: public wxDataViewListModel
 157 {
 158 public:
 159     wxDataViewSortedListModel( wxDataViewListModel *child );
 160     virtual ~wxDataViewSortedListModel();
 161
 162     virtual size_t GetNumberOfRows();
 163     virtual size_t GetNumberOfCols();
 164     // return type as reported by wxVariant
 165     virtual wxString GetColType( size_t col );
 166     // get value into a wxVariant
 167     virtual void GetValue( wxVariant &variant, size_t col, size_t row );
 168     // set value, call ValueChanged() afterwards!
 169     virtual bool SetValue( wxVariant &variant, size_t col, size_t row );
 170
 171     // delegated notifiers
 172     virtual bool RowAppended();
 173     virtual bool RowPrepended();
 174     virtual bool RowInserted( size_t before );
 175     virtual bool RowDeleted( size_t row );
 176     virtual bool RowChanged( size_t row );
 177     virtual bool ValueChanged( size_t col, size_t row );
 178     virtual bool RowsReordered( size_t *new_order );
 179     virtual bool Cleared();
 180
 181     bool ChildValueChanged( size_t col, size_t row );
 182
 183     virtual void Resort();
 184
 185 private:
 186     wxDataViewListModel             *m_child;
 187     wxDataViewSortedIndexArray       m_array;
 188     wxDataViewListModelNotifier     *m_notifierOnChild;
 189
 190 protected:
 191     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewSortedListModel)
 192 };
 193
 194 // ---------------------------------------------------------
 195 // wxDataViewCellBase
 196 // ---------------------------------------------------------
 197
 198 enum wxDataViewCellMode
 199 {
 200     wxDATAVIEW_CELL_INERT,
 201     wxDATAVIEW_CELL_ACTIVATABLE,
 202     wxDATAVIEW_CELL_EDITABLE
 203 };
 204
 205 enum wxDataViewCellRenderState
 206 {
 207     wxDATAVIEW_CELL_SELECTED    = 1,
 208     wxDATAVIEW_CELL_PRELIT      = 2,
 209     wxDATAVIEW_CELL_INSENSITIVE = 4,
 210     wxDATAVIEW_CELL_FOCUSED     = 8
 211 };
 212
 213 class wxDataViewCellBase: public wxObject
 214 {
 215 public:
 216     wxDataViewCellBase( const wxString &varianttype, wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT );
 217
 218     virtual bool SetValue( const wxVariant& WXUNUSED(value) ) { return true; }
 219     virtual bool GetValue( wxVariant& WXUNUSED(value) )       { return true; }
 220     virtual bool Validate( wxVariant& WXUNUSED(value) )       { return true; }
 221
 222     wxString GetVariantType()       { return m_variantType; }
 223     wxDataViewCellMode GetMode()    { return m_mode; }
 224
 225     void SetOwner( wxDataViewColumn *owner )    { m_owner = owner; }
 226     wxDataViewColumn* GetOwner()                { return m_owner; }
 227
 228 protected:
 229     wxDataViewCellMode      m_mode;
 230     wxString                m_variantType;
 231     wxDataViewColumn       *m_owner;
 232
 233 protected:
 234     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewCellBase)
 235 };
 236
 237 // ---------------------------------------------------------
 238 // wxDataViewColumnBase
 239 // ---------------------------------------------------------
 240
 241 enum wxDataViewColumnFlags
 242 {
 243     wxDATAVIEW_COL_RESIZABLE  = 1,
 244     wxDATAVIEW_COL_SORTABLE   = 2,
 245     wxDATAVIEW_COL_HIDDEN     = 4
 246 };
 247
 248 enum wxDataViewColumnSizing
 249 {
 250     wxDATAVIEW_COL_WIDTH_FIXED,
 251     wxDATAVIEW_COL_WIDTH_AUTO,
 252     wxDATAVIEW_COL_WIDTH_GROW
 253 };
 254
 255 class wxDataViewColumnBase: public wxObject
 256 {
 257 public:
 258     wxDataViewColumnBase( const wxString &title, wxDataViewCell *cell, size_t model_column,
 259         int fixed_width = 80, wxDataViewColumnSizing sizing = wxDATAVIEW_COL_WIDTH_FIXED, int flags = 0 );
 260     ~wxDataViewColumnBase();
 261
 262     virtual void SetTitle( const wxString &title );
 263     virtual wxString GetTitle();
 264
 265     wxDataViewCell* GetCell()               { return m_cell; }
 266
 267     size_t GetModelColumn()                 { return m_model_column; }
 268
 269     void SetOwner( wxDataViewCtrl *owner )  { m_owner = owner; }
 270     wxDataViewCtrl *GetOwner()              { return m_owner; }
 271
 272     virtual int GetWidth() = 0;
 273
 274     virtual void SetFixedWidth( int width ) = 0;
 275     virtual int GetFixedWidth() = 0;
 276
 277 private:
 278     wxDataViewCtrl          *m_ctrl;
 279     wxDataViewCell          *m_cell;
 280     int                      m_model_column;
 281     int                      m_flags;
 282     wxString                 m_title;
 283     wxDataViewCtrl          *m_owner;
 284
 285 protected:
 286     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewColumnBase)
 287 };
 288
 289 // ---------------------------------------------------------
 290 // wxDataViewCtrlBase
 291 // ---------------------------------------------------------
 292
 293 #define wxDV_SINGLE                  0x0000     // for convenience
 294 #define wxDV_MULTIPLE                0x0020     // can select multiple items
 295
 296 class wxDataViewCtrlBase: public wxControl
 297 {
 298 public:
 299     wxDataViewCtrlBase();
 300     ~wxDataViewCtrlBase();
 301
 302     virtual bool AssociateModel( wxDataViewListModel *model );
 303     wxDataViewListModel* GetModel();
 304
 305     virtual bool AppendTextColumn( const wxString &label, size_t model_column );
 306     virtual bool AppendToggleColumn( const wxString &label, size_t model_column );
 307     virtual bool AppendProgressColumn( const wxString &label, size_t model_column );
 308     virtual bool AppendDateColumn( const wxString &label, size_t model_column );
 309     virtual bool AppendColumn( wxDataViewColumn *col );
 310     virtual size_t GetNumberOfColumns();
 311     virtual bool DeleteColumn( size_t pos );
 312     virtual bool ClearColumns();
 313     virtual wxDataViewColumn* GetColumn( size_t pos );
 314
 315 private:
 316     wxDataViewListModel    *m_model;
 317     wxList                  m_cols;
 318
 319 protected:
 320     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewCtrlBase)
 321 };
 322
 323 #if defined(wxUSE_GENERICDATAVIEWCTRL)
 324     #include "wx/generic/dataview.h"
 325 #elif defined(__WXGTK20__)
 326     #include "wx/gtk/dataview.h"
 327 #elif defined(__WXMAC__)
 328     // TODO
 329     // #include "wx/mac/dataview.h"
 330 #else
 331     #include "wx/generic/dataview.h"
 332 #endif
 333
 334 #endif // wxUSE_DATAVIEWCTRL
 335
 336 #endif
 337     // _WX_DATAVIEW_H_BASE_