src/propgrid/propgridpagestate.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/propgrid/propgridpagestate.cpp
   3 // Purpose:     wxPropertyGridPageState class
   4 // Author:      Jaakko Salli
   5 // Modified by:
   6 // Created:     2008-08-24
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Jaakko Salli
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_PROPGRID
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/defs.h"
  23     #include "wx/object.h"
  24     #include "wx/hash.h"
  25     #include "wx/string.h"
  26     #include "wx/log.h"
  27     #include "wx/event.h"
  28     #include "wx/window.h"
  29     #include "wx/panel.h"
  30     #include "wx/dc.h"
  31     #include "wx/dcmemory.h"
  32     #include "wx/pen.h"
  33     #include "wx/brush.h"
  34     #include "wx/intl.h"
  35     #include "wx/stopwatch.h"
  36 #endif
  37
  38 // This define is necessary to prevent macro clearing
  39 #define __wxPG_SOURCE_FILE__
  40
  41 #include "wx/propgrid/propgridpagestate.h"
  42 #include "wx/propgrid/propgrid.h"
  43 #include "wx/propgrid/editors.h"
  44
  45 #define wxPG_DEFAULT_SPLITTERX      110
  46
  47
  48 // -----------------------------------------------------------------------
  49 // wxPropertyGridIterator
  50 // -----------------------------------------------------------------------
  51
  52 void wxPropertyGridIteratorBase::Init( wxPropertyGridPageState* state, int flags, wxPGProperty* property, int dir  )
  53 {
  54     wxASSERT( dir == 1 || dir == -1 );
  55
  56     m_state = state;
  57     m_baseParent = state->DoGetRoot();
  58     if ( !property && m_baseParent->GetChildCount() )
  59         property = m_baseParent->Item(0);
  60
  61     m_property = property;
  62
  63     wxPG_ITERATOR_CREATE_MASKS(flags, m_itemExMask, m_parentExMask)
  64
  65     // Need to skip first?
  66     if ( property && (property->GetFlags() & m_itemExMask) )
  67     {
  68         if ( dir == 1 )
  69             Next();
  70         else
  71             Prev();
  72     }
  73 }
  74
  75 void wxPropertyGridIteratorBase::Init( wxPropertyGridPageState* state, int flags, int startPos, int dir  )
  76 {
  77     wxPGProperty* property = NULL;
  78
  79     if ( startPos == wxTOP )
  80     {
  81         if ( dir == 0 )
  82             dir = 1;
  83     }
  84     else if ( startPos == wxBOTTOM )
  85     {
  86         property = state->GetLastItem(flags);
  87         if ( dir == 0 )
  88             dir = -1;
  89     }
  90     else
  91     {
  92         wxFAIL_MSG("Only supported starting positions are wxTOP and wxBOTTOM");
  93     }
  94
  95     Init( state, flags, property, dir );
  96 }
  97
  98 void wxPropertyGridIteratorBase::Assign( const wxPropertyGridIteratorBase& it )
  99 {
 100     m_property = it.m_property;
 101     m_state = it.m_state;
 102     m_baseParent = it.m_baseParent;
 103     m_itemExMask = it.m_itemExMask;
 104     m_parentExMask = it.m_parentExMask;
 105 }
 106
 107 void wxPropertyGridIteratorBase::Prev()
 108 {
 109     wxPGProperty* property = m_property;
 110     wxASSERT( property );
 111
 112     wxPGProperty* parent = property->GetParent();
 113     wxASSERT( parent );
 114     unsigned int index = property->GetIndexInParent();
 115
 116     if ( index > 0 )
 117     {
 118         // Previous sibling
 119         index--;
 120
 121         property = parent->Item(index);
 122
 123         // Go to last children?
 124         if ( property->GetChildCount() &&
 125              wxPG_ITERATOR_PARENTEXMASK_TEST(property, m_parentExMask) )
 126         {
 127             // First child
 128             property = property->Last();
 129         }
 130     }
 131     else
 132     {
 133         // Up to a parent
 134         if ( parent == m_baseParent )
 135         {
 136             m_property = NULL;
 137             return;
 138         }
 139         else
 140         {
 141             property = parent;
 142         }
 143     }
 144
 145     m_property = property;
 146
 147     // If property does not match our criteria, skip it
 148     if ( property->GetFlags() & m_itemExMask )
 149         Prev();
 150 }
 151
 152 void wxPropertyGridIteratorBase::Next( bool iterateChildren )
 153 {
 154     wxPGProperty* property = m_property;
 155     wxASSERT( property );
 156
 157     if ( property->GetChildCount() &&
 158          wxPG_ITERATOR_PARENTEXMASK_TEST(property, m_parentExMask) &&
 159          iterateChildren )
 160     {
 161         // First child
 162         property = property->Item(0);
 163     }
 164     else
 165     {
 166         wxPGProperty* parent = property->GetParent();
 167         wxASSERT( parent );
 168         unsigned int index = property->GetIndexInParent() + 1;
 169
 170         if ( index < parent->GetChildCount() )
 171         {
 172             // Next sibling
 173             property = parent->Item(index);
 174         }
 175         else
 176         {
 177             // Next sibling of parent
 178             if ( parent == m_baseParent )
 179             {
 180                 m_property = NULL;
 181             }
 182             else
 183             {
 184                 m_property = parent;
 185                 Next(false);
 186             }
 187             return;
 188         }
 189     }
 190
 191     m_property = property;
 192
 193     // If property does not match our criteria, skip it
 194     if ( property->GetFlags() & m_itemExMask )
 195         Next();
 196 }
 197
 198 // -----------------------------------------------------------------------
 199 // wxPropertyGridPageState
 200 // -----------------------------------------------------------------------
 201
 202 wxPropertyGridPageState::wxPropertyGridPageState()
 203 {
 204     m_pPropGrid = NULL;
 205     m_regularArray.SetParentState(this);
 206     m_properties = &m_regularArray;
 207     m_abcArray = NULL;
 208     m_currentCategory = NULL;
 209     m_selected = NULL;
 210     m_width = 0;
 211     m_virtualHeight = 0;
 212     m_lastCaptionBottomnest = 1;
 213     m_itemsAdded = 0;
 214     m_anyModified = 0;
 215     m_vhCalcPending = 0;
 216     m_colWidths.push_back( wxPG_DEFAULT_SPLITTERX );
 217     m_colWidths.push_back( wxPG_DEFAULT_SPLITTERX );
 218     m_fSplitterX = wxPG_DEFAULT_SPLITTERX;
 219 }
 220
 221 // -----------------------------------------------------------------------
 222
 223 wxPropertyGridPageState::~wxPropertyGridPageState()
 224 {
 225     delete m_abcArray;
 226 }
 227
 228 // -----------------------------------------------------------------------
 229
 230 void wxPropertyGridPageState::InitNonCatMode()
 231 {
 232     if ( !m_abcArray )
 233     {
 234         m_abcArray = new wxPGRootProperty();
 235         m_abcArray->SetParentState(this);
 236         m_abcArray->SetFlag(wxPG_PROP_CHILDREN_ARE_COPIES);
 237     }
 238
 239     // Must be called when state::m_properties still points to regularArray.
 240     wxPGProperty* oldProperties = m_properties;
 241
 242     // Must use temp value in state::m_properties for item iteration loop
 243     // to run as expected.
 244     m_properties = &m_regularArray;
 245
 246     if ( m_properties->GetChildCount() )
 247     {
 248         //
 249         // Prepare m_abcArray
 250         wxPropertyGridIterator it( this, wxPG_ITERATE_PROPERTIES );
 251
 252         for ( ; !it.AtEnd(); it.Next() )
 253         {
 254             wxPGProperty* p = it.GetProperty();
 255             wxPGProperty* parent = p->GetParent();
 256             if ( parent->IsCategory() || parent->IsRoot() )
 257             {
 258                 m_abcArray->AddChild2(p);
 259                 p->m_parent = &m_regularArray;
 260             }
 261         }
 262     }
 263
 264     m_properties = oldProperties;
 265 }
 266
 267 // -----------------------------------------------------------------------
 268
 269 void wxPropertyGridPageState::DoClear()
 270 {
 271     m_regularArray.Empty();
 272     if ( m_abcArray )
 273         m_abcArray->Empty();
 274
 275     m_dictName.clear();
 276
 277     m_currentCategory = NULL;
 278     m_lastCaptionBottomnest = 1;
 279     m_itemsAdded = 0;
 280
 281     m_virtualHeight = 0;
 282     m_vhCalcPending = 0;
 283
 284     m_selected = NULL;
 285 }
 286
 287 // -----------------------------------------------------------------------
 288
 289 void wxPropertyGridPageState::CalculateFontAndBitmapStuff( int WXUNUSED(vspacing) )
 290 {
 291     wxPropertyGrid* propGrid = GetGrid();
 292
 293     VirtualHeightChanged();
 294
 295     // Recalculate caption text extents.
 296     unsigned int i;
 297
 298     for ( i=0;i<m_regularArray.GetChildCount();i++ )
 299     {
 300         wxPGProperty* p =m_regularArray.Item(i);
 301
 302         if ( p->IsCategory() )
 303             ((wxPropertyCategory*)p)->CalculateTextExtent(propGrid, propGrid->GetCaptionFont());
 304     }
 305 }
 306
 307 // -----------------------------------------------------------------------
 308
 309 void wxPropertyGridPageState::SetVirtualWidth( int width )
 310 {
 311     wxASSERT( width >= 0 );
 312     wxPropertyGrid* pg = GetGrid();
 313     int gw = pg->GetClientSize().x;
 314     if ( width < gw )
 315         width = gw;
 316
 317     m_width = width;
 318 }
 319
 320 // -----------------------------------------------------------------------
 321
 322 void wxPropertyGridPageState::OnClientWidthChange( int newWidth, int widthChange, bool fromOnResize )
 323 {
 324     wxPropertyGrid* pg = GetGrid();
 325
 326     if ( pg->HasVirtualWidth() )
 327     {
 328         if ( m_width < newWidth )
 329             SetVirtualWidth( newWidth );
 330
 331         CheckColumnWidths(widthChange);
 332     }
 333     else
 334     {
 335         SetVirtualWidth( newWidth );
 336
 337         // This should be done before splitter auto centering
 338         // NOTE: Splitter auto-centering is done in this function.
 339         if ( !fromOnResize )
 340             widthChange = 0;
 341         CheckColumnWidths(widthChange);
 342
 343         if ( !(GetGrid()->GetInternalFlags() & wxPG_FL_SPLITTER_PRE_SET) &&
 344              (GetGrid()->GetInternalFlags() & wxPG_FL_DONT_CENTER_SPLITTER) )
 345         {
 346             long timeSinceCreation = (::wxGetLocalTimeMillis() - GetGrid()->m_timeCreated).ToLong();
 347
 348             // If too long, don't set splitter
 349             if ( timeSinceCreation < 3000 )
 350             {
 351                 if ( m_properties->GetChildCount() || timeSinceCreation > 750 )
 352                 {
 353                     SetSplitterLeft( false );
 354                 }
 355                 else
 356                 {
 357                     DoSetSplitterPosition( newWidth / 2 );
 358                     GetGrid()->ClearInternalFlag(wxPG_FL_SPLITTER_PRE_SET);
 359                 }
 360             }
 361         }
 362     }
 363 }
 364
 365 // -----------------------------------------------------------------------
 366 // wxPropertyGridPageState item iteration methods
 367 // -----------------------------------------------------------------------
 368
 369 wxPGProperty* wxPropertyGridPageState::GetLastItem( int flags )
 370 {
 371     if ( !m_properties->GetChildCount() )
 372         return NULL;
 373
 374     wxPG_ITERATOR_CREATE_MASKS(flags, int itemExMask, int parentExMask)
 375
 376     // First, get last child of last parent
 377     wxPGProperty* pwc = (wxPGProperty*)m_properties->Last();
 378     while ( pwc->GetChildCount() &&
 379             wxPG_ITERATOR_PARENTEXMASK_TEST(pwc, parentExMask) )
 380         pwc = (wxPGProperty*) pwc->Last();
 381
 382     // Then, if it doesn't fit our criteria, back up until we find something that does
 383     if ( pwc->GetFlags() & itemExMask )
 384     {
 385         wxPropertyGridIterator it( this, flags, pwc );
 386         for ( ; !it.AtEnd(); it.Prev() )
 387             ;
 388         pwc = (wxPGProperty*) it.GetProperty();
 389     }
 390
 391     return pwc;
 392 }
 393
 394 wxPropertyCategory* wxPropertyGridPageState::GetPropertyCategory( const wxPGProperty* p ) const
 395 {
 396     const wxPGProperty* parent = (const wxPGProperty*)p;
 397     const wxPGProperty* grandparent = (const wxPGProperty*)parent->GetParent();
 398     do
 399     {
 400         parent = grandparent;
 401         grandparent = (wxPGProperty*)parent->GetParent();
 402         if ( parent->IsCategory() && grandparent )
 403             return (wxPropertyCategory*)parent;
 404     } while ( grandparent );
 405
 406     return NULL;
 407 }
 408
 409 // -----------------------------------------------------------------------
 410 // wxPropertyGridPageState GetPropertyXXX methods
 411 // -----------------------------------------------------------------------
 412
 413 wxPGProperty* wxPropertyGridPageState::GetPropertyByLabel( const wxString& label,
 414                                                            wxPGProperty* parent ) const
 415 {
 416
 417     size_t i;
 418
 419     if ( !parent ) parent = (wxPGProperty*) &m_regularArray;
 420
 421     for ( i=0; i<parent->GetChildCount(); i++ )
 422     {
 423         wxPGProperty* p = parent->Item(i);
 424         if ( p->m_label == label )
 425             return p;
 426         // Check children recursively.
 427         if ( p->GetChildCount() )
 428         {
 429             p = GetPropertyByLabel(label,(wxPGProperty*)p);
 430             if ( p )
 431                 return p;
 432         }
 433     }
 434
 435     return NULL;
 436 }
 437
 438 // -----------------------------------------------------------------------
 439
 440 wxPGProperty* wxPropertyGridPageState::BaseGetPropertyByName( const wxString& name ) const
 441 {
 442     wxPGHashMapS2P::const_iterator it;
 443     it = m_dictName.find(name);
 444     if ( it != m_dictName.end() )
 445         return (wxPGProperty*) it->second;
 446     return NULL;
 447 }
 448
 449 // -----------------------------------------------------------------------
 450
 451 void wxPropertyGridPageState::DoSetPropertyName( wxPGProperty* p,
 452                                                  const wxString& newName )
 453 {
 454     wxCHECK_RET( p, wxT("invalid property id") );
 455
 456     wxPGProperty* parent = p->GetParent();
 457
 458     if ( parent->IsCategory() || parent->IsRoot() )
 459     {
 460         if ( p->GetBaseName().length() )
 461             m_dictName.erase( p->GetBaseName() );
 462         if ( newName.length() )
 463             m_dictName[newName] = (void*) p;
 464     }
 465
 466     p->DoSetName(newName);
 467 }
 468
 469 // -----------------------------------------------------------------------
 470 // wxPropertyGridPageState global operations
 471 // -----------------------------------------------------------------------
 472
 473 // -----------------------------------------------------------------------
 474 // Item iteration macros
 475 //   NB: Nowadays only needed for alphabetic/categoric mode switching.
 476 // -----------------------------------------------------------------------
 477
 478 //#define II_INVALID_I    0x00FFFFFF
 479
 480 #define ITEM_ITERATION_VARIABLES \
 481     wxPGProperty* parent; \
 482     unsigned int i; \
 483     unsigned int iMax;
 484
 485 #define ITEM_ITERATION_INIT_FROM_THE_TOP \
 486     parent = m_properties; \
 487     i = 0;
 488
 489 #if 0
 490 #define ITEM_ITERATION_INIT(startparent, startindex, state) \
 491     parent = startparent; \
 492     i = (unsigned int)startindex; \
 493     if ( parent == NULL ) \
 494     { \
 495         parent = state->m_properties; \
 496         i = 0; \
 497     }
 498 #endif
 499
 500 #define ITEM_ITERATION_LOOP_BEGIN \
 501     do \
 502     { \
 503         iMax = parent->GetChildCount(); \
 504         while ( i < iMax ) \
 505         {  \
 506             wxPGProperty* p = parent->Item(i);
 507
 508 #define ITEM_ITERATION_LOOP_END \
 509             if ( p->GetChildCount() ) \
 510             { \
 511                 i = 0; \
 512                 parent = (wxPGProperty*)p; \
 513                 iMax = parent->GetChildCount(); \
 514             } \
 515             else \
 516                 i++; \
 517         } \
 518         i = parent->m_arrIndex + 1; \
 519         parent = parent->m_parent; \
 520     } \
 521     while ( parent != NULL );
 522
 523 bool wxPropertyGridPageState::EnableCategories( bool enable )
 524 {
 525     //
 526     // NB: We can't use wxPropertyGridIterator in this
 527     //     function, since it depends on m_arrIndexes,
 528     //     which, among other things, is being fixed here.
 529     //
 530     ITEM_ITERATION_VARIABLES
 531
 532     if ( enable )
 533     {
 534         //
 535         // Enable categories
 536         //
 537
 538         if ( !IsInNonCatMode() )
 539             return false;
 540
 541         m_properties = &m_regularArray;
 542
 543         // fix parents, indexes, and depths
 544         ITEM_ITERATION_INIT_FROM_THE_TOP
 545
 546         ITEM_ITERATION_LOOP_BEGIN
 547
 548             p->m_arrIndex = i;
 549
 550             p->m_parent = parent;
 551
 552             // If parent was category, and this is not,
 553             // then the depth stays the same.
 554             if ( parent->IsCategory() &&
 555                  !p->IsCategory() )
 556                 p->m_depth = parent->m_depth;
 557             else
 558                 p->m_depth = parent->m_depth + 1;
 559
 560         ITEM_ITERATION_LOOP_END
 561
 562     }
 563     else
 564     {
 565         //
 566         // Disable categories
 567         //
 568
 569         if ( IsInNonCatMode() )
 570             return false;
 571
 572         // Create array, if necessary.
 573         if ( !m_abcArray )
 574             InitNonCatMode();
 575
 576         m_properties = m_abcArray;
 577
 578         // fix parents, indexes, and depths
 579         ITEM_ITERATION_INIT_FROM_THE_TOP
 580
 581         ITEM_ITERATION_LOOP_BEGIN
 582
 583             p->m_arrIndex = i;
 584
 585             p->m_parent = parent;
 586
 587             p->m_depth = parent->m_depth + 1;
 588
 589         ITEM_ITERATION_LOOP_END
 590     }
 591
 592     VirtualHeightChanged();
 593
 594     if ( m_pPropGrid->GetState() == this )
 595         m_pPropGrid->RecalculateVirtualSize();
 596
 597     return true;
 598 }
 599
 600 // -----------------------------------------------------------------------
 601
 602 #if wxUSE_STL
 603 #include <algorithm>
 604
 605 static bool wxPG_SortFunc_ByFunction(wxPGProperty *p1, wxPGProperty *p2)
 606 {
 607     wxPropertyGrid* pg = p1->GetGrid();
 608     wxPGSortCallback sortFunction = pg->GetSortFunction();
 609     return sortFunction(pg, p1, p2) < 0;
 610 }
 611
 612 static bool wxPG_SortFunc_ByLabel(wxPGProperty *p1, wxPGProperty *p2)
 613 {
 614     return p1->GetLabel().CmpNoCase( p2->GetLabel() ) < 0;
 615 }
 616
 617 #else
 618
 619 static int wxPG_SortFunc_ByFunction(wxPGProperty **pp1, wxPGProperty **pp2)
 620 {
 621     wxPGProperty *p1 = *pp1;
 622     wxPGProperty *p2 = *pp2;
 623     wxPropertyGrid* pg = p1->GetGrid();
 624     wxPGSortCallback sortFunction = pg->GetSortFunction();
 625     return sortFunction(pg, p1, p2);
 626 }
 627
 628 static int wxPG_SortFunc_ByLabel(wxPGProperty **pp1, wxPGProperty **pp2)
 629 {
 630     wxPGProperty *p1 = *pp1;
 631     wxPGProperty *p2 = *pp2;
 632     return p1->GetLabel().CmpNoCase( p2->GetLabel() );
 633 }
 634
 635 #endif
 636
 637 void wxPropertyGridPageState::DoSortChildren( wxPGProperty* p,
 638                                               int flags )
 639 {
 640     if ( !p )
 641         p = m_properties;
 642
 643     // Can only sort items with children
 644     if ( !p->GetChildCount() )
 645         return;
 646
 647     // Never sort children of aggregate properties
 648     if ( p->HasFlag(wxPG_PROP_AGGREGATE) )
 649         return;
 650
 651     if ( (flags & wxPG_SORT_TOP_LEVEL_ONLY)
 652          && !p->IsCategory() && !p->IsRoot() )
 653         return;
 654
 655 #if wxUSE_STL
 656     if ( GetGrid()->GetSortFunction() )
 657         std::sort(p->m_children.begin(), p->m_children.end(),
 658                   wxPG_SortFunc_ByFunction);
 659     else
 660         std::sort(p->m_children.begin(), p->m_children.end(),
 661                   wxPG_SortFunc_ByLabel);
 662 #else
 663     if ( GetGrid()->GetSortFunction() )
 664         p->m_children.Sort( wxPG_SortFunc_ByFunction );
 665     else
 666         p->m_children.Sort( wxPG_SortFunc_ByLabel );
 667 #endif
 668
 669     // Fix indices
 670     p->FixIndicesOfChildren();
 671
 672     if ( flags & wxPG_RECURSE )
 673     {
 674         // Apply sort recursively
 675         for ( unsigned int i=0; i<p->GetChildCount(); i++ )
 676             DoSortChildren(p->Item(i), flags);
 677     }
 678 }
 679
 680 // -----------------------------------------------------------------------
 681
 682 void wxPropertyGridPageState::DoSort( int flags )
 683 {
 684     DoSortChildren( m_properties, flags | wxPG_RECURSE );
 685
 686     // Sort categories as well (but we need not do it recursively)
 687     if ( IsInNonCatMode() )
 688     {
 689         size_t i;
 690         for ( i=0;i<m_regularArray.GetChildCount();i++)
 691         {
 692             wxPGProperty* p = m_regularArray.Item(i);
 693             if ( p->IsCategory() )
 694                 DoSortChildren( p, 0 );
 695         }
 696     }
 697 }
 698
 699 // -----------------------------------------------------------------------
 700
 701 bool wxPropertyGridPageState::PrepareAfterItemsAdded()
 702 {
 703     if ( !m_itemsAdded ) return false;
 704
 705     wxPropertyGrid* pg = GetGrid();
 706
 707     m_itemsAdded = 0;
 708
 709     if ( pg->HasFlag(wxPG_AUTO_SORT) )
 710         DoSort(wxPG_SORT_TOP_LEVEL_ONLY);
 711
 712     return true;
 713 }
 714
 715 // -----------------------------------------------------------------------
 716 // wxPropertyGridPageState splitter, column and hittest functions
 717 // -----------------------------------------------------------------------
 718
 719 wxPGProperty* wxPropertyGridPageState::DoGetItemAtY( int y ) const
 720 {
 721     // Outside?
 722     if ( y < 0 )
 723         return NULL;
 724
 725     unsigned int a = 0;
 726     return m_properties->GetItemAtY(y, GetGrid()->m_lineHeight, &a);
 727 }
 728
 729 // -----------------------------------------------------------------------
 730
 731 wxPropertyGridHitTestResult wxPropertyGridPageState::HitTest( const wxPoint&pt ) const
 732 {
 733     wxPropertyGridHitTestResult result;
 734     result.column = HitTestH( pt.x, &result.splitter, &result.splitterHitOffset );
 735     result.property = DoGetItemAtY( pt.y );
 736     return result;
 737 }
 738
 739 // -----------------------------------------------------------------------
 740
 741 // Used by SetSplitterLeft() and DotFitColumns()
 742 int wxPropertyGridPageState::GetColumnFitWidth(wxClientDC& dc,
 743                                            wxPGProperty* pwc,
 744                                            unsigned int col,
 745                                            bool subProps) const
 746 {
 747     wxPropertyGrid* pg = m_pPropGrid;
 748     size_t i;
 749     int maxW = 0;
 750     int w, h;
 751
 752     for ( i=0; i<pwc->GetChildCount(); i++ )
 753     {
 754         wxPGProperty* p = pwc->Item(i);
 755         if ( !p->IsCategory() )
 756         {
 757             const wxPGCell* cell = NULL;
 758             wxString text;
 759             p->GetDisplayInfo(col, -1, 0, &text, &cell);
 760             dc.GetTextExtent(text, &w, &h);
 761             if ( col == 0 )
 762                 w += ( ((int)p->m_depth-1) * pg->m_subgroup_extramargin );
 763
 764             //
 765             // TODO: Add bitmap support.
 766
 767             w += (wxPG_XBEFORETEXT*2);
 768
 769             if ( w > maxW )
 770                 maxW = w;
 771         }
 772
 773         if ( p->GetChildCount() &&
 774              ( subProps || p->IsCategory() ) )
 775         {
 776             w = GetColumnFitWidth( dc, p, col, subProps );
 777
 778             if ( w > maxW )
 779                 maxW = w;
 780         }
 781     }
 782
 783     return maxW;
 784 }
 785
 786 int wxPropertyGridPageState::DoGetSplitterPosition( int splitterColumn ) const
 787 {
 788     int n = GetGrid()->m_marginWidth;
 789     int i;
 790     for ( i=0; i<=splitterColumn; i++ )
 791         n += m_colWidths[i];
 792     return n;
 793 }
 794
 795 int wxPropertyGridPageState::GetColumnMinWidth( int WXUNUSED(column) ) const
 796 {
 797     return wxPG_DRAG_MARGIN;
 798 }
 799
 800 void wxPropertyGridPageState::PropagateColSizeDec( int column, int decrease, int dir )
 801 {
 802     int origWidth = m_colWidths[column];
 803     m_colWidths[column] -= decrease;
 804     int min = GetColumnMinWidth(column);
 805     int more = 0;
 806     if ( m_colWidths[column] < min )
 807     {
 808         more = decrease - (origWidth - min);
 809         m_colWidths[column] = min;
 810     }
 811
 812     //
 813     // FIXME: Causes erratic splitter changing, so as a workaround
 814     //        disabled if two or less columns.
 815
 816     if ( m_colWidths.size() <= 2 )
 817         return;
 818
 819     column += dir;
 820     if ( more && column < (int)m_colWidths.size() && column >= 0 )
 821         PropagateColSizeDec( column, more, dir );
 822 }
 823
 824 void wxPropertyGridPageState::DoSetSplitterPosition( int newXPos, int splitterColumn, bool WXUNUSED(allPages), bool fromAutoCenter )
 825 {
 826     wxPropertyGrid* pg = GetGrid();
 827
 828     int adjust = newXPos - DoGetSplitterPosition(splitterColumn);
 829
 830     if ( !pg->HasVirtualWidth() )
 831     {
 832         // No virtual width
 833         int otherColumn;
 834         if ( adjust > 0 )
 835         {
 836             otherColumn = splitterColumn + 1;
 837             if ( otherColumn == (int)m_colWidths.size() )
 838                 otherColumn = 0;
 839             m_colWidths[splitterColumn] += adjust;
 840             PropagateColSizeDec( otherColumn, adjust, 1 );
 841         }
 842         else
 843         {
 844             otherColumn = splitterColumn + 1;
 845             if ( otherColumn == (int)m_colWidths.size() )
 846                 otherColumn = 0;
 847             m_colWidths[otherColumn] -= adjust;
 848             PropagateColSizeDec( splitterColumn, -adjust, -1 );
 849         }
 850     }
 851     else
 852     {
 853         m_colWidths[splitterColumn] += adjust;
 854     }
 855
 856     if ( splitterColumn == 0 )
 857         m_fSplitterX = (double) newXPos;
 858
 859     if ( !fromAutoCenter )
 860     {
 861         // Don't allow initial splitter auto-positioning after this.
 862         if ( pg->GetState() == this )
 863             pg->SetInternalFlag(wxPG_FL_SPLITTER_PRE_SET);
 864
 865         CheckColumnWidths();
 866     }
 867 }
 868
 869 // Moves splitter so that all labels are visible, but just.
 870 void wxPropertyGridPageState::SetSplitterLeft( bool subProps )
 871 {
 872     wxPropertyGrid* pg = GetGrid();
 873     wxClientDC dc(pg);
 874     dc.SetFont(pg->m_font);
 875
 876     int maxW = GetColumnFitWidth(dc, m_properties, 0, subProps);
 877
 878     if ( maxW > 0 )
 879     {
 880         maxW += pg->m_marginWidth;
 881         DoSetSplitterPosition( maxW );
 882     }
 883
 884     pg->SetInternalFlag(wxPG_FL_DONT_CENTER_SPLITTER);
 885 }
 886
 887 wxSize wxPropertyGridPageState::DoFitColumns( bool WXUNUSED(allowGridResize) )
 888 {
 889     wxPropertyGrid* pg = GetGrid();
 890     wxClientDC dc(pg);
 891     dc.SetFont(pg->m_font);
 892
 893     int marginWidth = pg->m_marginWidth;
 894     int accWid = marginWidth;
 895     int maxColWidth = 500;
 896
 897     for ( unsigned int col=0; col < GetColumnCount(); col++ )
 898     {
 899         int fitWid = GetColumnFitWidth(dc, m_properties, col, true);
 900         int colMinWidth = GetColumnMinWidth(col);
 901         if ( fitWid < colMinWidth )
 902             fitWid = colMinWidth;
 903         else if ( fitWid > maxColWidth )
 904             fitWid = maxColWidth;
 905
 906         m_colWidths[col] = fitWid;
 907
 908         accWid += fitWid;
 909     }
 910
 911     // Expand last one to fill the width
 912     int remaining = m_width - accWid;
 913     m_colWidths[GetColumnCount()-1] += remaining;
 914
 915     pg->SetInternalFlag(wxPG_FL_DONT_CENTER_SPLITTER);
 916
 917     int firstSplitterX = marginWidth + m_colWidths[0];
 918     m_fSplitterX = (double) firstSplitterX;
 919
 920     // Don't allow initial splitter auto-positioning after this.
 921     if ( pg->GetState() == this )
 922     {
 923         pg->SetSplitterPosition(firstSplitterX, false);
 924         pg->Refresh();
 925     }
 926
 927     int x, y;
 928     pg->GetVirtualSize(&x, &y);
 929
 930     return wxSize(accWid, y);
 931 }
 932
 933 void wxPropertyGridPageState::CheckColumnWidths( int widthChange )
 934 {
 935     if ( m_width == 0 )
 936         return;
 937
 938     wxPropertyGrid* pg = GetGrid();
 939
 940 #ifdef __WXDEBUG__
 941     const bool debug = false;
 942 #endif
 943
 944     unsigned int i;
 945     unsigned int lastColumn = m_colWidths.size() - 1;
 946     int width = m_width;
 947     int clientWidth = pg->GetClientSize().x;
 948
 949     //
 950     // Column to reduce, if needed. Take last one that exceeds minimum width.
 951     // Except if auto splitter centering is used, in which case use widest.
 952     int reduceCol = -1;
 953     int highestColWidth = 0;
 954
 955 #ifdef __WXDEBUG__
 956     if ( debug )
 957         wxLogDebug(wxT("ColumnWidthCheck (virtualWidth: %i, clientWidth: %i)"), width, clientWidth);
 958 #endif
 959
 960     //
 961     // Check min sizes
 962     for ( i=0; i<m_colWidths.size(); i++ )
 963     {
 964         int min = GetColumnMinWidth(i);
 965         if ( m_colWidths[i] <= min )
 966         {
 967             m_colWidths[i] = min;
 968         }
 969         else
 970         {
 971             if ( pg->HasFlag(wxPG_SPLITTER_AUTO_CENTER) )
 972             {
 973                 if ( m_colWidths[i] >= highestColWidth )
 974                 {
 975                     highestColWidth = m_colWidths[i];
 976                     reduceCol = i;
 977                 }
 978             }
 979             else
 980             {
 981                 reduceCol = i;
 982             }
 983         }
 984     }
 985
 986     int colsWidth = pg->m_marginWidth;
 987     for ( i=0; i<m_colWidths.size(); i++ )
 988         colsWidth += m_colWidths[i];
 989
 990 #ifdef __WXDEBUG__
 991     if ( debug )
 992         wxLogDebug(wxT("  HasVirtualWidth: %i  colsWidth: %i"),(int)pg->HasVirtualWidth(),colsWidth);
 993 #endif
 994
 995     // Then mode-based requirement
 996     if ( !pg->HasVirtualWidth() )
 997     {
 998         int widthHigher = width - colsWidth;
 999
1000         // Adapt colsWidth to width
1001         if ( colsWidth < width )
1002         {
1003             // Increase column
1004 #ifdef __WXDEBUG__
1005             if ( debug )
1006                 wxLogDebug(wxT("  Adjust last column to %i"), m_colWidths[lastColumn] + widthHigher);
1007 #endif
1008             m_colWidths[lastColumn] = m_colWidths[lastColumn] + widthHigher;
1009         }
1010         else if ( colsWidth > width )
1011         {
1012             // Reduce column
1013             if ( reduceCol != -1 )
1014             {
1015             #ifdef __WXDEBUG__
1016                 if ( debug )
1017                     wxLogDebug(wxT("  Reduce column %i (by %i)"), reduceCol, -widthHigher);
1018             #endif
1019                 // Reduce widest column, and recheck
1020                 m_colWidths[reduceCol] = m_colWidths[reduceCol] + widthHigher;
1021                 CheckColumnWidths();
1022             }
1023         }
1024     }
1025     else
1026     {
1027         // Only check colsWidth against clientWidth
1028         if ( colsWidth < clientWidth )
1029         {
1030             m_colWidths[lastColumn] = m_colWidths[lastColumn] + (clientWidth-colsWidth);
1031         }
1032
1033         m_width = colsWidth;
1034
1035         // If width changed, recalculate virtual size
1036         if ( pg->GetState() == this )
1037             pg->RecalculateVirtualSize();
1038     }
1039
1040 #ifdef __WXDEBUG__
1041     if ( debug )
1042         for ( i=0; i<m_colWidths.size(); i++ )
1043             wxLogDebug(wxT("col%i: %i"),i,m_colWidths[i]);
1044 #endif
1045
1046     // Auto center splitter
1047     if ( !(pg->GetInternalFlags() & wxPG_FL_DONT_CENTER_SPLITTER) &&
1048          m_colWidths.size() == 2 )
1049     {
1050         float centerX = (float)(pg->m_width/2);
1051         float splitterX;
1052
1053         if ( m_fSplitterX < 0.0 )
1054         {
1055             splitterX = centerX;
1056         }
1057         else if ( widthChange )
1058         {
1059             //float centerX = float(pg->GetSize().x) * 0.5;
1060
1061             // Recenter?
1062             splitterX = m_fSplitterX + (float(widthChange) * 0.5);
1063             float deviation = fabs(centerX - splitterX);
1064
1065             // If deviating from center, adjust towards it
1066             if ( deviation > 20.0 )
1067             {
1068                 if ( splitterX > centerX)
1069                     splitterX -= 2;
1070                 else
1071                     splitterX += 2;
1072             }
1073         }
1074         else
1075         {
1076             // No width change, just keep sure we keep splitter position intact
1077             splitterX = m_fSplitterX;
1078             float deviation = fabs(centerX - splitterX);
1079             if ( deviation > 50.0 )
1080             {
1081                 splitterX = centerX;
1082             }
1083         }
1084
1085         DoSetSplitterPosition((int)splitterX, 0, false, true);
1086
1087         m_fSplitterX = splitterX; // needed to retain accuracy
1088     }
1089 }
1090
1091 void wxPropertyGridPageState::SetColumnCount( int colCount )
1092 {
1093     wxASSERT( colCount >= 2 );
1094     m_colWidths.SetCount( colCount, wxPG_DRAG_MARGIN );
1095     if ( m_colWidths.size() > (unsigned int)colCount )
1096         m_colWidths.RemoveAt( m_colWidths.size(), m_colWidths.size() - colCount );
1097
1098     if ( m_pPropGrid->GetState() == this )
1099         m_pPropGrid->RecalculateVirtualSize();
1100     else
1101         CheckColumnWidths();
1102 }
1103
1104 // Returns column index, -1 for margin
1105 int wxPropertyGridPageState::HitTestH( int x, int* pSplitterHit, int* pSplitterHitOffset ) const
1106 {
1107     int cx = GetGrid()->m_marginWidth;
1108     int col = -1;
1109     int prevSplitter = -1;
1110
1111     while ( x > cx )
1112     {
1113         col++;
1114         if ( col >= (int)m_colWidths.size() )
1115         {
1116             *pSplitterHit = -1;
1117             return col;
1118         }
1119         prevSplitter = cx;
1120         cx += m_colWidths[col];
1121     }
1122
1123     // Near prev. splitter
1124     if ( col >= 1 )
1125     {
1126         int diff = x - prevSplitter;
1127         if ( abs(diff) < wxPG_SPLITTERX_DETECTMARGIN1 )
1128         {
1129             *pSplitterHit = col - 1;
1130             *pSplitterHitOffset = diff;
1131             return col;
1132         }
1133     }
1134
1135     // Near next splitter
1136     int nextSplitter = cx;
1137     if ( col < (int)(m_colWidths.size()-1) )
1138     {
1139         int diff = x - nextSplitter;
1140         if ( abs(diff) < wxPG_SPLITTERX_DETECTMARGIN1 )
1141         {
1142             *pSplitterHit = col;
1143             *pSplitterHitOffset = diff;
1144             return col;
1145         }
1146     }
1147
1148     *pSplitterHit = -1;
1149     return col;
1150 }
1151
1152 // -----------------------------------------------------------------------
1153 // wxPropertyGridPageState property value setting and getting
1154 // -----------------------------------------------------------------------
1155
1156 bool wxPropertyGridPageState::DoSetPropertyValueString( wxPGProperty* p, const wxString& value )
1157 {
1158     if ( p )
1159     {
1160         int flags = wxPG_REPORT_ERROR|wxPG_FULL_VALUE|wxPG_PROGRAMMATIC_VALUE;
1161
1162         wxVariant variant = p->GetValueRef();
1163         bool res;
1164
1165         if ( p->GetMaxLength() <= 0 )
1166             res = p->StringToValue( variant, value, flags );
1167         else
1168             res = p->StringToValue( variant, value.Mid(0,p->GetMaxLength()), flags );
1169
1170         if ( res )
1171         {
1172             p->SetValue(variant);
1173             if ( m_selected==p && this==m_pPropGrid->GetState() )
1174                 m_pPropGrid->RefreshEditor();
1175         }
1176
1177         return true;
1178     }
1179     return false;
1180 }
1181
1182 // -----------------------------------------------------------------------
1183
1184 bool wxPropertyGridPageState::DoSetPropertyValue( wxPGProperty* p, wxVariant& value )
1185 {
1186     if ( p )
1187     {
1188         p->SetValue(value);
1189         if ( m_selected==p && this==m_pPropGrid->GetState() )
1190             m_pPropGrid->RefreshEditor();
1191
1192         return true;
1193     }
1194     return false;
1195 }
1196
1197 // -----------------------------------------------------------------------
1198
1199 bool wxPropertyGridPageState::DoSetPropertyValueWxObjectPtr( wxPGProperty* p, wxObject* value )
1200 {
1201     if ( p )
1202     {
1203         // wnd_primary has to be given so the control can be updated as well.
1204         wxVariant v(value);
1205         DoSetPropertyValue(p, v);
1206         return true;
1207     }
1208     return false;
1209 }
1210
1211 // -----------------------------------------------------------------------
1212 // wxPropertyGridPageState property operations
1213 // -----------------------------------------------------------------------
1214
1215 bool wxPropertyGridPageState::DoCollapse( wxPGProperty* p )
1216 {
1217     wxCHECK_MSG( p, false, wxT("invalid property id") );
1218
1219     if ( !p->GetChildCount() ) return false;
1220
1221     if ( !p->IsExpanded() ) return false;
1222
1223     p->SetExpanded(false);
1224
1225     VirtualHeightChanged();
1226
1227     return true;
1228 }
1229
1230 // -----------------------------------------------------------------------
1231
1232 bool wxPropertyGridPageState::DoExpand( wxPGProperty* p )
1233 {
1234     wxCHECK_MSG( p, false, wxT("invalid property id") );
1235
1236     if ( !p->GetChildCount() ) return false;
1237
1238     if ( p->IsExpanded() ) return false;
1239
1240     p->SetExpanded(true);
1241
1242     VirtualHeightChanged();
1243
1244     return true;
1245 }
1246
1247 // -----------------------------------------------------------------------
1248
1249 bool wxPropertyGridPageState::DoSelectProperty( wxPGProperty* p, unsigned int flags )
1250 {
1251     if ( this == m_pPropGrid->GetState() )
1252         return m_pPropGrid->DoSelectProperty( p, flags );
1253
1254     m_selected = p;
1255     return true;
1256 }
1257
1258 // -----------------------------------------------------------------------
1259
1260 bool wxPropertyGridPageState::DoHideProperty( wxPGProperty* p, bool hide, int flags )
1261 {
1262     if ( !hide )
1263         p->ClearFlag( wxPG_PROP_HIDDEN );
1264     else
1265         p->SetFlag( wxPG_PROP_HIDDEN );
1266
1267     if ( flags & wxPG_RECURSE )
1268     {
1269         unsigned int i;
1270         for ( i = 0; i < p->GetChildCount(); i++ )
1271             DoHideProperty(p->Item(i), hide, flags | wxPG_RECURSE_STARTS);
1272     }
1273
1274     VirtualHeightChanged();
1275
1276     return true;
1277 }
1278
1279 // -----------------------------------------------------------------------
1280
1281 bool wxPropertyGridPageState::DoEnableProperty( wxPGProperty* p, bool enable )
1282 {
1283     if ( p )
1284     {
1285         if ( enable )
1286         {
1287             if ( !(p->m_flags & wxPG_PROP_DISABLED) )
1288                 return false;
1289
1290             // Enabling
1291
1292             p->m_flags &= ~(wxPG_PROP_DISABLED);
1293         }
1294         else
1295         {
1296             if ( p->m_flags & wxPG_PROP_DISABLED )
1297                 return false;
1298
1299             // Disabling
1300
1301             p->m_flags |= wxPG_PROP_DISABLED;
1302
1303         }
1304
1305         // Apply same to sub-properties as well
1306         unsigned int i;
1307         for ( i = 0; i < p->GetChildCount(); i++ )
1308             DoEnableProperty( p->Item(i), enable );
1309
1310         return true;
1311     }
1312     return false;
1313 }
1314
1315 // -----------------------------------------------------------------------
1316 // wxPropertyGridPageState wxVariant related routines
1317 // -----------------------------------------------------------------------
1318
1319 // Returns list of wxVariant objects (non-categories and non-sub-properties only).
1320 // Never includes sub-properties (unless they are parented by wxParentProperty).
1321 wxVariant wxPropertyGridPageState::DoGetPropertyValues( const wxString& listname,
1322                                                     wxPGProperty* baseparent,
1323                                                     long flags ) const
1324 {
1325     wxPGProperty* pwc = (wxPGProperty*) baseparent;
1326
1327     // Root is the default base-parent.
1328     if ( !pwc )
1329         pwc = m_properties;
1330
1331     wxVariantList tempList;
1332     wxVariant v( tempList, listname );
1333
1334     if ( pwc->GetChildCount() )
1335     {
1336         if ( flags & wxPG_KEEP_STRUCTURE )
1337         {
1338             wxASSERT( !pwc->HasFlag(wxPG_PROP_AGGREGATE) );
1339
1340             size_t i;
1341             for ( i=0; i<pwc->GetChildCount(); i++ )
1342             {
1343                 wxPGProperty* p = pwc->Item(i);
1344                 if ( !p->GetChildCount() || p->HasFlag(wxPG_PROP_AGGREGATE) )
1345                 {
1346                     wxVariant variant = p->GetValue();
1347                     variant.SetName( p->GetBaseName() );
1348                     v.Append( variant );
1349                 }
1350                 else
1351                 {
1352                     v.Append( DoGetPropertyValues(p->m_name,p,flags|wxPG_KEEP_STRUCTURE) );
1353                 }
1354                 if ( (flags & wxPG_INC_ATTRIBUTES) && p->m_attributes.GetCount() )
1355                     v.Append( p->GetAttributesAsList() );
1356             }
1357         }
1358         else
1359         {
1360             wxPropertyGridConstIterator it( this, wxPG_ITERATE_DEFAULT, pwc->Item(0) );
1361             it.SetBaseParent( pwc );
1362
1363             for ( ; !it.AtEnd(); it.Next() )
1364             {
1365                 const wxPGProperty* p = it.GetProperty();
1366
1367                 // Use a trick to ignore wxParentProperty itself, but not its sub-properties.
1368                 if ( !p->GetChildCount() || p->HasFlag(wxPG_PROP_AGGREGATE) )
1369                 {
1370                     wxVariant variant = p->GetValue();
1371                     variant.SetName( p->GetName() );
1372                     v.Append( variant );
1373                     if ( (flags & wxPG_INC_ATTRIBUTES) && p->m_attributes.GetCount() )
1374                         v.Append( p->GetAttributesAsList() );
1375                 }
1376             }
1377         }
1378     }
1379
1380     return v;
1381 }
1382
1383 // -----------------------------------------------------------------------
1384
1385 void wxPropertyGridPageState::DoSetPropertyValues( const wxVariantList& list, wxPGProperty* defaultCategory )
1386 {
1387     unsigned char origFrozen = 1;
1388
1389     if ( m_pPropGrid->GetState() == this )
1390     {
1391         origFrozen = m_pPropGrid->m_frozen;
1392         if ( !origFrozen ) m_pPropGrid->Freeze();
1393     }
1394
1395     wxPropertyCategory* use_category = (wxPropertyCategory*)defaultCategory;
1396
1397     if ( !use_category )
1398         use_category = (wxPropertyCategory*)m_properties;
1399
1400     // Let's iterate over the list of variants.
1401     wxVariantList::const_iterator node;
1402     int numSpecialEntries = 0;
1403
1404     //
1405     // Second pass for special entries
1406     for ( node = list.begin(); node != list.end(); ++node )
1407     {
1408         wxVariant *current = (wxVariant*)*node;
1409
1410         // Make sure it is wxVariant.
1411         wxASSERT( current );
1412         wxASSERT( wxStrcmp(current->GetClassInfo()->GetClassName(),wxT("wxVariant")) == 0 );
1413
1414         const wxString& name = current->GetName();
1415         if ( name.length() > 0 )
1416         {
1417             //
1418             // '@' signified a special entry
1419             if ( name[0] == wxS('@') )
1420             {
1421                 numSpecialEntries++;
1422             }
1423             else
1424             {
1425                 wxPGProperty* foundProp = BaseGetPropertyByName(name);
1426                 if ( foundProp )
1427                 {
1428                     wxPGProperty* p = foundProp;
1429
1430                     // If it was a list, we still have to go through it.
1431                     if ( wxStrcmp(current->GetType(), wxS("list")) == 0 )
1432                     {
1433                         DoSetPropertyValues( current->GetList(),
1434                                 p->IsCategory()?p:(NULL)
1435                             );
1436                     }
1437                     else
1438                     {
1439                 #ifdef __WXDEBUG__
1440                         if ( wxStrcmp(current->GetType(), p->GetValue().GetType()) != 0)
1441                         {
1442                             wxLogDebug(wxT("wxPropertyGridPageState::DoSetPropertyValues Warning: Setting value of property \"%s\" from variant"),
1443                                 p->GetName().c_str());
1444                         }
1445                 #endif
1446
1447                         p->SetValue(*current);
1448                     }
1449                 }
1450                 else
1451                 {
1452                     // Is it list?
1453                     if ( current->GetType() != wxS("list") )
1454                     {
1455                         // Not.
1456                     }
1457                     else
1458                     {
1459                         // Yes, it is; create a sub category and append contents there.
1460                         wxPGProperty* newCat = DoInsert(use_category,-1,new wxPropertyCategory(current->GetName(),wxPG_LABEL));
1461                         DoSetPropertyValues( current->GetList(), newCat );
1462                     }
1463                 }
1464             }
1465         }
1466     }
1467
1468     if ( numSpecialEntries )
1469     {
1470         for ( node = list.begin(); node != list.end(); ++node )
1471         {
1472             wxVariant *current = (wxVariant*)*node;
1473
1474             const wxString& name = current->GetName();
1475             if ( name.length() > 0 )
1476             {
1477                 //
1478                 // '@' signified a special entry
1479                 if ( name[0] == wxS('@') )
1480                 {
1481                     numSpecialEntries--;
1482
1483                     size_t pos2 = name.rfind(wxS('@'));
1484                     if ( pos2 > 0 && pos2 < (name.size()-1) )
1485                     {
1486                         wxString propName = name.substr(1, pos2-1);
1487                         wxString entryType = name.substr(pos2+1, wxString::npos);
1488
1489                         if ( entryType == wxS("attr") )
1490                         {
1491                             //
1492                             // List of attributes
1493                             wxPGProperty* foundProp = BaseGetPropertyByName(propName);
1494                             if ( foundProp )
1495                             {
1496                                 wxASSERT( current->GetType() == wxPG_VARIANT_TYPE_LIST );
1497
1498                                 wxVariantList& list2 = current->GetList();
1499                                 wxVariantList::const_iterator node2;
1500
1501                                 for ( node2 = list2.begin(); node2 != list2.end(); ++node2 )
1502                                 {
1503                                     wxVariant *attr = (wxVariant*)*node2;
1504                                     foundProp->SetAttribute( attr->GetName(), *attr );
1505                                 }
1506                             }
1507                             else
1508                             {
1509                                 // ERROR: No such property: 'propName'
1510                             }
1511                         }
1512                     }
1513                     else
1514                     {
1515                         // ERROR: Special entry requires name of format @<propname>@<entrytype>
1516                     }
1517                 }
1518             }
1519
1520             if ( !numSpecialEntries )
1521                 break;
1522         }
1523     }
1524
1525     if ( !origFrozen )
1526     {
1527         m_pPropGrid->Thaw();
1528
1529         if ( this == m_pPropGrid->GetState() )
1530             m_pPropGrid->RefreshEditor();
1531     }
1532
1533 }
1534
1535 // -----------------------------------------------------------------------
1536 // wxPropertyGridPageState property adding and removal
1537 // -----------------------------------------------------------------------
1538
1539 bool wxPropertyGridPageState::PrepareToAddItem( wxPGProperty* property,
1540                                                 wxPGProperty* scheduledParent )
1541 {
1542     wxPropertyGrid* propGrid = m_pPropGrid;
1543
1544     // This will allow better behavior.
1545     if ( scheduledParent == m_properties )
1546         scheduledParent = NULL;
1547
1548     if ( scheduledParent && !scheduledParent->IsCategory() )
1549     {
1550         wxASSERT_MSG( property->GetBaseName().length(),
1551                       "Property's children must have unique, non-empty names within their scope" );
1552     }
1553
1554     property->m_parentState = this;
1555
1556     if ( property->IsCategory() )
1557     {
1558
1559         // Parent of a category must be either root or another category
1560         // (otherwise Bad Things might happen).
1561         wxASSERT_MSG( scheduledParent == NULL ||
1562                       scheduledParent == m_properties ||
1563                       scheduledParent->IsCategory(),
1564                  wxT("Parent of a category must be either root or another category."));
1565
1566         // If we already have category with same name, delete given property
1567         // and use it instead as most recent caption item.
1568         wxPGProperty* found_id = BaseGetPropertyByName( property->GetBaseName() );
1569         if ( found_id )
1570         {
1571             wxPropertyCategory* pwc = (wxPropertyCategory*) found_id;
1572             if ( pwc->IsCategory() ) // Must be a category.
1573             {
1574                 delete property;
1575                 m_currentCategory = pwc;
1576                 return false;
1577             }
1578         }
1579     }
1580
1581 #ifdef __WXDEBUG__
1582     // Warn for identical names in debug mode.
1583     if ( BaseGetPropertyByName(property->GetName()) &&
1584          (!scheduledParent || scheduledParent->IsCategory()) )
1585     {
1586         wxLogError(wxT("wxPropertyGrid: Warning - item with name \"%s\" already exists."),
1587             property->GetName().c_str());
1588         wxPGGlobalVars->m_warnings++;
1589     }
1590 #endif
1591
1592     // Make sure nothing is selected.
1593     if ( propGrid )
1594         propGrid->ClearSelection(false);
1595
1596     // NULL parent == root parent
1597     if ( !scheduledParent )
1598         scheduledParent = DoGetRoot();
1599
1600     property->m_parent = scheduledParent;
1601
1602     property->InitAfterAdded(this, propGrid);
1603
1604     if ( property->IsCategory() )
1605     {
1606         wxPropertyCategory* pc = wxStaticCast(property, wxPropertyCategory);
1607
1608         m_currentCategory = pc;
1609
1610         // Calculate text extent for category caption
1611         if ( propGrid )
1612             pc->CalculateTextExtent(propGrid, propGrid->GetCaptionFont());
1613     }
1614
1615     return true;
1616 }
1617
1618 // -----------------------------------------------------------------------
1619
1620 wxPGProperty* wxPropertyGridPageState::DoAppend( wxPGProperty* property )
1621 {
1622     wxPropertyCategory* cur_cat = m_currentCategory;
1623     if ( property->IsCategory() )
1624         cur_cat = NULL;
1625
1626     return DoInsert( cur_cat, -1, property );
1627 }
1628
1629 // -----------------------------------------------------------------------
1630
1631 wxPGProperty* wxPropertyGridPageState::DoInsert( wxPGProperty* parent, int index, wxPGProperty* property )
1632 {
1633     if ( !parent )
1634         parent = m_properties;
1635
1636     wxCHECK_MSG( !parent->HasFlag(wxPG_PROP_AGGREGATE),
1637                  wxNullProperty,
1638                  wxT("when adding properties to fixed parents, use BeginAddChildren and EndAddChildren.") );
1639
1640     bool res = PrepareToAddItem( property, (wxPropertyCategory*)parent );
1641
1642     // PrepareToAddItem() may just decide to use use current category
1643     // instead of adding new one.
1644     if ( !res )
1645         return m_currentCategory;
1646
1647     // Note that item must be added into current mode later.
1648
1649     // If parent is wxParentProperty, just stick it in...
1650     // If parent is root (m_properties), then...
1651     //   In categoric mode: Add as last item in m_abcArray (if not category).
1652     //                      Add to given index in m_regularArray.
1653     //   In non-cat mode:   Add as last item in m_regularArray.
1654     //                      Add to given index in m_abcArray.
1655     // If parent is category, then...
1656     //   1) Add to given category in given index.
1657     //   2) Add as last item in m_abcArray.
1658
1659     if ( !parent->IsCategory() && !parent->IsRoot() )
1660     {
1661         // Parent is wxParentingProperty: Just stick it in...
1662         parent->AddChild2( property, index );
1663     }
1664     else
1665     {
1666         // Parent is Category or Root.
1667
1668         if ( m_properties == &m_regularArray )
1669         {
1670             // Categorized mode
1671
1672             // Only add non-categories to m_abcArray.
1673             if ( m_abcArray && !property->IsCategory() )
1674                 m_abcArray->AddChild2( property, -1, false );
1675
1676             // Add to current mode.
1677             parent->AddChild2( property, index );
1678
1679         }
1680         else
1681         {
1682             // Non-categorized mode.
1683
1684             if ( parent != m_properties )
1685                 // Parent is category.
1686                 parent->AddChild2( property, index, false );
1687             else
1688                 // Parent is root.
1689                 m_regularArray.AddChild2( property, -1, false );
1690
1691             // Add to current mode (no categories).
1692             if ( !property->IsCategory() )
1693                 m_abcArray->AddChild2( property, index );
1694         }
1695     }
1696
1697     // category stuff
1698     if ( property->IsCategory() )
1699     {
1700         // This is a category caption item.
1701
1702         // Last caption is not the bottom one (this info required by append)
1703         m_lastCaptionBottomnest = 0;
1704     }
1705
1706     // Only add name to hashmap if parent is root or category
1707     if ( property->m_name.length() &&
1708         (parent->IsCategory() || parent->IsRoot()) )
1709         m_dictName[property->m_name] = (void*) property;
1710
1711     VirtualHeightChanged();
1712
1713     property->UpdateParentValues();
1714
1715     m_itemsAdded = 1;
1716
1717     return property;
1718 }
1719
1720 // -----------------------------------------------------------------------
1721
1722 void wxPropertyGridPageState::DoDelete( wxPGProperty* item, bool doDelete )
1723 {
1724     wxCHECK_RET( item->GetParent(),
1725         wxT("this property was already deleted") );
1726
1727     wxCHECK_RET( item != &m_regularArray && item != m_abcArray,
1728         wxT("wxPropertyGrid: Do not attempt to remove the root item.") );
1729
1730     unsigned int indinparent = item->GetIndexInParent();
1731
1732     wxPGProperty* pwc = (wxPGProperty*)item;
1733     wxPGProperty* parent = item->GetParent();
1734
1735     wxCHECK_RET( !parent->HasFlag(wxPG_PROP_AGGREGATE),
1736         wxT("wxPropertyGrid: Do not attempt to remove sub-properties.") );
1737
1738     // Delete children
1739     if ( item->GetChildCount() && !item->HasFlag(wxPG_PROP_AGGREGATE) )
1740     {
1741         // deleting a category
1742         if ( item->IsCategory() )
1743         {
1744             if ( pwc == m_currentCategory )
1745                 m_currentCategory = NULL;
1746         }
1747
1748         item->DeleteChildren();
1749     }
1750
1751     if ( !IsInNonCatMode() )
1752     {
1753         // categorized mode - non-categorized array
1754
1755         // Remove from non-cat array
1756         if ( !item->IsCategory() &&
1757              (parent->IsCategory() || parent->IsRoot()) )
1758         {
1759             if ( m_abcArray )
1760                 m_abcArray->RemoveChild(item);
1761         }
1762
1763         // categorized mode - categorized array
1764         wxArrayPGProperty& parentsChildren = parent->m_children;
1765         parentsChildren.erase( parentsChildren.begin() + indinparent );
1766         item->m_parent->FixIndicesOfChildren();
1767     }
1768     else
1769     {
1770         // non-categorized mode - categorized array
1771
1772         // We need to find location of item.
1773         wxPGProperty* cat_parent = &m_regularArray;
1774         int cat_index = m_regularArray.GetChildCount();
1775         size_t i;
1776         for ( i = 0; i < m_regularArray.GetChildCount(); i++ )
1777         {
1778             wxPGProperty* p = m_regularArray.Item(i);
1779             if ( p == item ) { cat_index = i; break; }
1780             if ( p->IsCategory() )
1781             {
1782                 int subind = ((wxPGProperty*)p)->Index(item);
1783                 if ( subind != wxNOT_FOUND )
1784                 {
1785                     cat_parent = ((wxPGProperty*)p);
1786                     cat_index = subind;
1787                     break;
1788                 }
1789             }
1790         }
1791         cat_parent->m_children.erase(cat_parent->m_children.begin()+cat_index);
1792
1793         // non-categorized mode - non-categorized array
1794         if ( !item->IsCategory() )
1795         {
1796             wxASSERT( item->m_parent == m_abcArray );
1797             wxArrayPGProperty& parentsChildren = item->m_parent->m_children;
1798             parentsChildren.erase(parentsChildren.begin() + indinparent);
1799             item->m_parent->FixIndicesOfChildren(indinparent);
1800         }
1801     }
1802
1803     if ( item->GetBaseName().length() &&
1804          (parent->IsCategory() || parent->IsRoot()) )
1805         m_dictName.erase(item->GetBaseName());
1806
1807     // We can actually delete it now
1808     if ( doDelete )
1809         delete item;
1810
1811     m_itemsAdded = 1; // Not a logical assignment (but required nonetheless).
1812
1813     VirtualHeightChanged();
1814 }
1815
1816 // -----------------------------------------------------------------------
1817
1818 #endif  // wxUSE_PROPGRID