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 #ifndef WX_PRECOMP
  20     #include "wx/defs.h"
  21     #include "wx/object.h"
  22     #include "wx/hash.h"
  23     #include "wx/string.h"
  24     #include "wx/log.h"
  25     #include "wx/event.h"
  26     #include "wx/window.h"
  27     #include "wx/panel.h"
  28     #include "wx/dc.h"
  29     #include "wx/dcmemory.h"
  30     #include "wx/button.h"
  31     #include "wx/pen.h"
  32     #include "wx/brush.h"
  33     #include "wx/cursor.h"
  34     #include "wx/dialog.h"
  35     #include "wx/settings.h"
  36     #include "wx/msgdlg.h"
  37     #include "wx/choice.h"
  38     #include "wx/stattext.h"
  39     #include "wx/scrolwin.h"
  40     #include "wx/dirdlg.h"
  41     #include "wx/layout.h"
  42     #include "wx/sizer.h"
  43     #include "wx/textdlg.h"
  44     #include "wx/filedlg.h"
  45     #include "wx/statusbr.h"
  46     #include "wx/intl.h"
  47     #include "wx/frame.h"
  48     #include "wx/stopwatch.h"
  49 #endif
  50
  51 // This define is necessary to prevent macro clearing
  52 #define __wxPG_SOURCE_FILE__
  53
  54 #include <wx/propgrid/propgridpagestate.h>
  55 #include <wx/propgrid/propgrid.h>
  56 #include <wx/propgrid/editors.h>
  57
  58 #include <typeinfo>
  59
  60 #define wxPG_DEFAULT_SPLITTERX      110
  61
  62
  63 // -----------------------------------------------------------------------
  64 // wxPropertyGridIterator
  65 // -----------------------------------------------------------------------
  66
  67 void wxPropertyGridIteratorBase::Init( wxPropertyGridPageState* state, int flags, wxPGProperty* property, int dir  )
  68 {
  69     wxASSERT( dir == 1 || dir == -1 );
  70
  71     m_state = state;
  72     m_baseParent = state->DoGetRoot();
  73     if ( !property && m_baseParent->GetChildCount() )
  74         property = m_baseParent->Item(0);
  75
  76     m_property = property;
  77
  78     wxPG_ITERATOR_CREATE_MASKS(flags, m_itemExMask, m_parentExMask)
  79
  80     // Need to skip first?
  81     if ( property && (property->GetFlags() & m_itemExMask) )
  82     {
  83         if ( dir == 1 )
  84             Next();
  85         else
  86             Prev();
  87     }
  88 }
  89
  90 void wxPropertyGridIteratorBase::Init( wxPropertyGridPageState* state, int flags, int startPos, int dir  )
  91 {
  92     wxPGProperty* property;
  93
  94     if ( startPos == wxTOP )
  95     {
  96         property = NULL;
  97         if ( dir == 0 )
  98             dir = 1;
  99     }
 100     else if ( startPos == wxBOTTOM )
 101     {
 102         property = state->GetLastItem(flags);
 103         if ( dir == 0 )
 104             dir = -1;
 105     }
 106     else
 107     {
 108         wxASSERT_MSG( false, wxT("Only supported stating positions are wxTOP and wxBOTTOM") );
 109         property = NULL;
 110     }
 111
 112     Init( state, flags, property, dir );
 113 }
 114
 115 void wxPropertyGridIteratorBase::Assign( const wxPropertyGridIteratorBase& it )
 116 {
 117     m_property = it.m_property;
 118     m_state = it.m_state;
 119     m_baseParent = it.m_baseParent;
 120     m_itemExMask = it.m_itemExMask;
 121     m_parentExMask = it.m_parentExMask;
 122 }
 123
 124 void wxPropertyGridIteratorBase::Prev()
 125 {
 126     wxPGProperty* property = m_property;
 127     wxASSERT( property );
 128
 129     wxPGProperty* parent = property->GetParent();
 130     wxASSERT( parent );
 131     unsigned int index = property->GetIndexInParent();
 132
 133     if ( index > 0 )
 134     {
 135         // Previous sibling
 136         index--;
 137
 138         property = parent->Item(index);
 139
 140         // Go to last children?
 141         if ( property->GetChildCount() &&
 142              wxPG_ITERATOR_PARENTEXMASK_TEST(property, m_parentExMask) )
 143         {
 144             // First child
 145             property = property->Last();
 146         }
 147     }
 148     else
 149     {
 150         // Up to a parent
 151         if ( parent == m_baseParent )
 152         {
 153             m_property = NULL;
 154             return;
 155         }
 156         else
 157         {
 158             property = parent;
 159         }
 160     }
 161
 162     m_property = property;
 163
 164     // If property does not match our criteria, skip it
 165     if ( property->GetFlags() & m_itemExMask )
 166         Prev();
 167 }
 168
 169 void wxPropertyGridIteratorBase::Next( bool iterateChildren )
 170 {
 171     wxPGProperty* property = m_property;
 172     wxASSERT( property );
 173
 174     if ( property->GetChildCount() &&
 175          wxPG_ITERATOR_PARENTEXMASK_TEST(property, m_parentExMask) &&
 176          iterateChildren )
 177     {
 178         // First child
 179         property = property->Item(0);
 180     }
 181     else
 182     {
 183         wxPGProperty* parent = property->GetParent();
 184         wxASSERT( parent );
 185         unsigned int index = property->GetIndexInParent() + 1;
 186
 187         if ( index < parent->GetChildCount() )
 188         {
 189             // Next sibling
 190             property = parent->Item(index);
 191         }
 192         else
 193         {
 194             // Next sibling of parent
 195             if ( parent == m_baseParent )
 196             {
 197                 m_property = NULL;
 198             }
 199             else
 200             {
 201                 m_property = parent;
 202                 Next(false);
 203             }
 204             return;
 205         }
 206     }
 207
 208     m_property = property;
 209
 210     // If property does not match our criteria, skip it
 211     if ( property->GetFlags() & m_itemExMask )
 212         Next();
 213 }
 214
 215 // -----------------------------------------------------------------------
 216 // wxPropertyGridPageState
 217 // -----------------------------------------------------------------------
 218
 219 wxPropertyGridPageState::wxPropertyGridPageState()
 220 {
 221     m_pPropGrid = (wxPropertyGrid*) NULL;
 222     m_regularArray.SetParentState(this);
 223     m_properties = &m_regularArray;
 224     m_abcArray = (wxPGRootProperty*) NULL;
 225     m_currentCategory = (wxPropertyCategory*) NULL;
 226     m_selected = (wxPGProperty*) NULL;
 227     m_width = 0;
 228     m_virtualHeight = 0;
 229     m_lastCaptionBottomnest = 1;
 230     m_itemsAdded = 0;
 231     m_anyModified = 0;
 232     m_vhCalcPending = 0;
 233     m_colWidths.push_back( wxPG_DEFAULT_SPLITTERX );
 234     m_colWidths.push_back( wxPG_DEFAULT_SPLITTERX );
 235     m_fSplitterX = wxPG_DEFAULT_SPLITTERX;
 236 }
 237
 238 // -----------------------------------------------------------------------
 239
 240 wxPropertyGridPageState::~wxPropertyGridPageState()
 241 {
 242     delete m_abcArray;
 243 }
 244
 245 // -----------------------------------------------------------------------
 246
 247 void wxPropertyGridPageState::InitNonCatMode()
 248 {
 249     if ( !m_abcArray )
 250     {
 251         m_abcArray = new wxPGRootProperty();
 252         m_abcArray->SetParentState(this);
 253         m_abcArray->SetFlag(wxPG_PROP_CHILDREN_ARE_COPIES);
 254     }
 255
 256     // Must be called when state::m_properties still points to regularArray.
 257     wxPGProperty* oldProperties = m_properties;
 258
 259     // Must use temp value in state::m_properties for item iteration loop
 260     // to run as expected.
 261     m_properties = &m_regularArray;
 262
 263     if ( m_properties->GetChildCount() )
 264     {
 265         // Copy items.
 266         wxPropertyGridIterator it( this, wxPG_ITERATE_DEFAULT|wxPG_ITERATE_CATEGORIES );
 267
 268         for ( ; !it.AtEnd(); it.Next() )
 269         {
 270             wxPGProperty* p = it.GetProperty();
 271             wxPGProperty* parent = p->GetParent();
 272             if ( p->HasFlag(wxPG_PROP_MISC_PARENT) &&
 273                 ( parent == m_properties || (parent->IsCategory() || parent->IsRoot()) ) )
 274             {
 275                 m_abcArray->AddChild2( p );
 276                 p->m_parent = &m_regularArray;
 277             }
 278         }
 279     }
 280
 281     m_properties = oldProperties;
 282 }
 283
 284 // -----------------------------------------------------------------------
 285
 286 void wxPropertyGridPageState::DoClear()
 287 {
 288     m_regularArray.Empty();
 289     if ( m_abcArray )
 290         m_abcArray->Empty();
 291
 292     m_dictName.clear();
 293
 294     m_currentCategory = (wxPropertyCategory*) NULL;
 295     m_lastCaptionBottomnest = 1;
 296     m_itemsAdded = 0;
 297
 298     m_virtualHeight = 0;
 299     m_vhCalcPending = 0;
 300
 301     m_selected = (wxPGProperty*) NULL;
 302 }
 303
 304 // -----------------------------------------------------------------------
 305
 306 void wxPropertyGridPageState::CalculateFontAndBitmapStuff( int WXUNUSED(vspacing) )
 307 {
 308     wxPropertyGrid* propGrid = GetGrid();
 309
 310     VirtualHeightChanged();
 311
 312     // Recalculate caption text extents.
 313     unsigned int i;
 314
 315     for ( i=0;i<m_regularArray.GetChildCount();i++ )
 316     {
 317         wxPGProperty* p =m_regularArray.Item(i);
 318
 319         if ( p->IsCategory() )
 320             ((wxPropertyCategory*)p)->CalculateTextExtent(propGrid, propGrid->GetCaptionFont());
 321     }
 322 }
 323
 324 // -----------------------------------------------------------------------
 325
 326 void wxPropertyGridPageState::SetVirtualWidth( int width )
 327 {
 328     wxASSERT( width >= 0 );
 329     wxPropertyGrid* pg = GetGrid();
 330     int gw = pg->GetClientSize().x;
 331     if ( width < gw )
 332         width = gw;
 333
 334     m_width = width;
 335 }
 336
 337 // -----------------------------------------------------------------------
 338
 339 void wxPropertyGridPageState::OnClientWidthChange( int newWidth, int widthChange, bool fromOnResize )
 340 {
 341     wxPropertyGrid* pg = GetGrid();
 342
 343     if ( pg->HasVirtualWidth() )
 344     {
 345         if ( m_width < newWidth )
 346             SetVirtualWidth( newWidth );
 347
 348         CheckColumnWidths(widthChange);
 349     }
 350     else
 351     {
 352         SetVirtualWidth( newWidth );
 353
 354         // This should be done before splitter auto centering
 355         // NOTE: Splitter auto-centering is done in this function.
 356         if ( !fromOnResize )
 357             widthChange = 0;
 358         CheckColumnWidths(widthChange);
 359
 360         if ( !(GetGrid()->GetInternalFlags() & wxPG_FL_SPLITTER_PRE_SET) &&
 361              (GetGrid()->GetInternalFlags() & wxPG_FL_DONT_CENTER_SPLITTER) )
 362         {
 363             long timeSinceCreation = (::wxGetLocalTimeMillis() - GetGrid()->m_timeCreated).ToLong();
 364
 365             // If too long, don't set splitter
 366             if ( timeSinceCreation < 3000 )
 367             {
 368                 if ( m_properties->GetChildCount() || timeSinceCreation > 750 )
 369                 {
 370                     SetSplitterLeft( false );
 371                 }
 372                 else
 373                 {
 374                     DoSetSplitterPosition( newWidth / 2 );
 375                     GetGrid()->ClearInternalFlag(wxPG_FL_SPLITTER_PRE_SET);
 376                 }
 377             }
 378         }
 379     }
 380 }
 381
 382 // -----------------------------------------------------------------------
 383 // wxPropertyGridPageState item iteration methods
 384 // -----------------------------------------------------------------------
 385
 386 wxPGProperty* wxPropertyGridPageState::GetLastItem( int flags )
 387 {
 388     if ( !m_properties->GetChildCount() )
 389         return (wxPGProperty*) NULL;
 390
 391     wxPG_ITERATOR_CREATE_MASKS(flags, int itemExMask, int parentExMask)
 392
 393     // First, get last child of last parent
 394     wxPGProperty* pwc = (wxPGProperty*)m_properties->Last();
 395     while ( pwc->GetChildCount() &&
 396             wxPG_ITERATOR_PARENTEXMASK_TEST(pwc, parentExMask) )
 397         pwc = (wxPGProperty*) pwc->Last();
 398
 399     // Then, if it doesn't fit our criteria, back up until we find something that does
 400     if ( pwc->GetFlags() & itemExMask )
 401     {
 402         wxPropertyGridIterator it( this, flags, pwc );
 403         for ( ; !it.AtEnd(); it.Prev() )
 404             ;
 405         pwc = (wxPGProperty*) it.GetProperty();
 406     }
 407
 408     return pwc;
 409 }
 410
 411 wxPropertyCategory* wxPropertyGridPageState::GetPropertyCategory( const wxPGProperty* p ) const
 412 {
 413     const wxPGProperty* parent = (const wxPGProperty*)p;
 414     const wxPGProperty* grandparent = (const wxPGProperty*)parent->GetParent();
 415     do
 416     {
 417         parent = grandparent;
 418         grandparent = (wxPGProperty*)parent->GetParent();
 419         if ( parent->IsCategory() && grandparent )
 420             return (wxPropertyCategory*)parent;
 421     } while ( grandparent );
 422
 423     return (wxPropertyCategory*) NULL;
 424 }
 425
 426 // -----------------------------------------------------------------------
 427 // wxPropertyGridPageState GetPropertyXXX methods
 428 // -----------------------------------------------------------------------
 429
 430 wxPGProperty* wxPropertyGridPageState::GetPropertyByLabel( const wxString& label,
 431                                                            wxPGProperty* parent ) const
 432 {
 433
 434     size_t i;
 435
 436     if ( !parent ) parent = (wxPGProperty*) &m_regularArray;
 437
 438     for ( i=0; i<parent->GetChildCount(); i++ )
 439     {
 440         wxPGProperty* p = parent->Item(i);
 441         if ( p->m_label == label )
 442             return p;
 443         // Check children recursively.
 444         if ( p->GetChildCount() )
 445         {
 446             p = GetPropertyByLabel(label,(wxPGProperty*)p);
 447             if ( p )
 448                 return p;
 449         }
 450     }
 451
 452     return NULL;
 453 }
 454
 455 // -----------------------------------------------------------------------
 456
 457 wxPGProperty* wxPropertyGridPageState::BaseGetPropertyByName( const wxString& name ) const
 458 {
 459     wxPGHashMapS2P::const_iterator it;
 460     it = m_dictName.find(name);
 461     if ( it != m_dictName.end() )
 462         return (wxPGProperty*) it->second;
 463     return (wxPGProperty*) NULL;
 464 }
 465
 466 // -----------------------------------------------------------------------
 467 // wxPropertyGridPageState global operations
 468 // -----------------------------------------------------------------------
 469
 470 // -----------------------------------------------------------------------
 471 // Item iteration macros
 472 //   NB: Nowadays only needed for alphabetic/categoric mode switching.
 473 // -----------------------------------------------------------------------
 474
 475 #define II_INVALID_I    0x00FFFFFF
 476
 477 #define ITEM_ITERATION_VARIABLES \
 478     wxPGProperty* parent; \
 479     unsigned int i; \
 480     unsigned int iMax;
 481
 482 #define ITEM_ITERATION_INIT_FROM_THE_TOP \
 483     parent = m_properties; \
 484     i = 0;
 485
 486 #define ITEM_ITERATION_INIT(startparent, startindex, state) \
 487     parent = startparent; \
 488     i = (unsigned int)startindex; \
 489     if ( parent == (wxPGProperty*) NULL ) \
 490     { \
 491         parent = state->m_properties; \
 492         i = 0; \
 493     }
 494
 495 #define ITEM_ITERATION_LOOP_BEGIN \
 496     do \
 497     { \
 498         iMax = parent->GetChildCount(); \
 499         while ( i < iMax ) \
 500         {  \
 501             wxPGProperty* p = parent->Item(i);
 502
 503 #define ITEM_ITERATION_LOOP_END \
 504             if ( p->GetChildCount() ) \
 505             { \
 506                 i = 0; \
 507                 parent = (wxPGProperty*)p; \
 508                 iMax = parent->GetChildCount(); \
 509             } \
 510             else \
 511                 i++; \
 512         } \
 513         i = parent->m_arrIndex + 1; \
 514         parent = parent->m_parent; \
 515     } \
 516     while ( parent != NULL );
 517
 518 bool wxPropertyGridPageState::EnableCategories( bool enable )
 519 {
 520     //
 521     // NB: We can't use wxPropertyGridIterator in this
 522     //     function, since it depends on m_arrIndexes,
 523     //     which, among other things, is being fixed here.
 524     //
 525     ITEM_ITERATION_VARIABLES
 526
 527     if ( enable )
 528     {
 529         //
 530         // Enable categories
 531         //
 532
 533         if ( !IsInNonCatMode() )
 534             return false;
 535
 536         m_properties = &m_regularArray;
 537
 538         // fix parents, indexes, and depths
 539         ITEM_ITERATION_INIT_FROM_THE_TOP
 540
 541         ITEM_ITERATION_LOOP_BEGIN
 542
 543             p->m_arrIndex = i;
 544
 545             p->m_parent = parent;
 546
 547             // If parent was category, and this is not,
 548             // then the depth stays the same.
 549             if ( parent->IsCategory() &&
 550                  !p->IsCategory() )
 551                 p->m_depth = parent->m_depth;
 552             else
 553                 p->m_depth = parent->m_depth + 1;
 554
 555         ITEM_ITERATION_LOOP_END
 556
 557     }
 558     else
 559     {
 560         //
 561         // Disable categories
 562         //
 563
 564         if ( IsInNonCatMode() )
 565             return false;
 566
 567         // Create array, if necessary.
 568         if ( !m_abcArray )
 569             InitNonCatMode();
 570
 571         m_properties = m_abcArray;
 572
 573         // fix parents, indexes, and depths
 574         ITEM_ITERATION_INIT_FROM_THE_TOP
 575
 576         ITEM_ITERATION_LOOP_BEGIN
 577
 578             p->m_arrIndex = i;
 579
 580             p->m_parent = parent;
 581
 582             p->m_depth = parent->m_depth + 1;
 583
 584         ITEM_ITERATION_LOOP_END
 585     }
 586
 587     VirtualHeightChanged();
 588
 589     if ( m_pPropGrid->GetState() == this )
 590         m_pPropGrid->RecalculateVirtualSize();
 591
 592     return true;
 593 }
 594
 595 // -----------------------------------------------------------------------
 596
 597 static int wxPG_SortFunc(void **p1, void **p2)
 598 {
 599     wxPGProperty *pp1 = *((wxPGProperty**)p1);
 600     wxPGProperty *pp2 = *((wxPGProperty**)p2);
 601     return pp1->GetLabel().compare( pp2->GetLabel() );
 602 }
 603
 604 void wxPropertyGridPageState::SortChildren( wxPGProperty* p )
 605 {
 606     if ( !p )
 607         p = (wxPGProperty*)m_properties;
 608
 609     if ( !p->GetChildCount() )
 610         return;
 611
 612     wxPGProperty* pwc = (wxPGProperty*)p;
 613
 614     // Can only sort items with children
 615     if ( pwc->GetChildCount() < 1 )
 616         return;
 617
 618     pwc->m_children.Sort( wxPG_SortFunc );
 619
 620     // Fix indexes
 621     pwc->FixIndexesOfChildren();
 622
 623 }
 624
 625 // -----------------------------------------------------------------------
 626
 627 void wxPropertyGridPageState::Sort()
 628 {
 629     SortChildren( m_properties );
 630
 631     // Sort categories as well
 632     if ( !IsInNonCatMode() )
 633     {
 634         size_t i;
 635         for ( i=0;i<m_properties->GetChildCount();i++)
 636         {
 637             wxPGProperty* p = m_properties->Item(i);
 638             if ( p->IsCategory() )
 639                 SortChildren( p );
 640         }
 641     }
 642 }
 643
 644 // -----------------------------------------------------------------------
 645 // wxPropertyGridPageState splitter, column and hittest functions
 646 // -----------------------------------------------------------------------
 647
 648 wxPGProperty* wxPropertyGridPageState::DoGetItemAtY( int y ) const
 649 {
 650     // Outside?
 651     if ( y < 0 )
 652         return (wxPGProperty*) NULL;
 653
 654     unsigned int a = 0;
 655     return m_properties->GetItemAtY(y, GetGrid()->m_lineHeight, &a);
 656 }
 657
 658 // -----------------------------------------------------------------------
 659
 660 wxPropertyGridHitTestResult wxPropertyGridPageState::HitTest( const wxPoint&pt ) const
 661 {
 662     wxPropertyGridHitTestResult result;
 663     result.column = HitTestH( pt.x, &result.splitter, &result.splitterHitOffset );
 664     result.property = DoGetItemAtY( pt.y );
 665     return result;
 666 }
 667
 668 // -----------------------------------------------------------------------
 669
 670 // Used by SetSplitterLeft() and DotFitColumns()
 671 int wxPropertyGridPageState::GetColumnFitWidth(wxClientDC& dc,
 672                                            wxPGProperty* pwc,
 673                                            unsigned int col,
 674                                            bool subProps) const
 675 {
 676     wxPropertyGrid* pg = m_pPropGrid;
 677     size_t i;
 678     int maxW = 0;
 679     int w, h;
 680
 681     for ( i=0; i<pwc->GetChildCount(); i++ )
 682     {
 683         wxPGProperty* p = pwc->Item(i);
 684         if ( !p->IsCategory() )
 685         {
 686             dc.GetTextExtent( p->GetColumnText(col), &w, &h );
 687             if ( col == 0 )
 688                 w += ( ((int)p->m_depth-1) * pg->m_subgroup_extramargin );
 689
 690             //
 691             // TODO: Add bitmap support.
 692
 693             w += (wxPG_XBEFORETEXT*2);
 694
 695             if ( w > maxW )
 696                 maxW = w;
 697         }
 698
 699         if ( p->GetChildCount() &&
 700              ( subProps || p->IsCategory() ) )
 701         {
 702             w = GetColumnFitWidth( dc, p, col, subProps );
 703
 704             if ( w > maxW )
 705                 maxW = w;
 706         }
 707     }
 708
 709     return maxW;
 710 }
 711
 712 int wxPropertyGridPageState::DoGetSplitterPosition( int splitterColumn ) const
 713 {
 714     int n = GetGrid()->m_marginWidth;
 715     int i;
 716     for ( i=0; i<=splitterColumn; i++ )
 717         n += m_colWidths[i];
 718     return n;
 719 }
 720
 721 int wxPropertyGridPageState::GetColumnMinWidth( int WXUNUSED(column) ) const
 722 {
 723     return wxPG_DRAG_MARGIN;
 724 }
 725
 726 void wxPropertyGridPageState::PropagateColSizeDec( int column, int decrease, int dir )
 727 {
 728     int origWidth = m_colWidths[column];
 729     m_colWidths[column] -= decrease;
 730     int min = GetColumnMinWidth(column);
 731     int more = 0;
 732     if ( m_colWidths[column] < min )
 733     {
 734         more = decrease - (origWidth - min);
 735         m_colWidths[column] = min;
 736     }
 737
 738     //
 739     // FIXME: Causes erratic splitter changing, so as a workaround
 740     //        disabled if two or less columns.
 741
 742     if ( m_colWidths.size() <= 2 )
 743         return;
 744
 745     column += dir;
 746     if ( more && column < (int)m_colWidths.size() && column >= 0 )
 747         PropagateColSizeDec( column, more, dir );
 748 }
 749
 750 void wxPropertyGridPageState::DoSetSplitterPosition( int newXPos, int splitterColumn, bool WXUNUSED(allPages), bool fromAutoCenter )
 751 {
 752     wxPropertyGrid* pg = GetGrid();
 753
 754     int adjust = newXPos - DoGetSplitterPosition(splitterColumn);
 755
 756     if ( !pg->HasVirtualWidth() )
 757     {
 758         // No virtual width
 759         int otherColumn;
 760         if ( adjust > 0 )
 761         {
 762             otherColumn = splitterColumn + 1;
 763             if ( otherColumn == (int)m_colWidths.size() )
 764                 otherColumn = 0;
 765             m_colWidths[splitterColumn] += adjust;
 766             PropagateColSizeDec( otherColumn, adjust, 1 );
 767         }
 768         else
 769         {
 770             otherColumn = splitterColumn + 1;
 771             if ( otherColumn == (int)m_colWidths.size() )
 772                 otherColumn = 0;
 773             m_colWidths[otherColumn] -= adjust;
 774             PropagateColSizeDec( splitterColumn, -adjust, -1 );
 775         }
 776     }
 777     else
 778     {
 779         m_colWidths[splitterColumn] += adjust;
 780     }
 781
 782     if ( splitterColumn == 0 )
 783         m_fSplitterX = (double) newXPos;
 784
 785     if ( !fromAutoCenter )
 786     {
 787         // Don't allow initial splitter auto-positioning after this.
 788         if ( pg->GetState() == this )
 789             pg->SetInternalFlag(wxPG_FL_SPLITTER_PRE_SET);
 790
 791         CheckColumnWidths();
 792     }
 793 }
 794
 795 // Moves splitter so that all labels are visible, but just.
 796 void wxPropertyGridPageState::SetSplitterLeft( bool subProps )
 797 {
 798     wxPropertyGrid* pg = GetGrid();
 799     wxClientDC dc(pg);
 800     dc.SetFont(pg->m_font);
 801
 802     int maxW = GetColumnFitWidth(dc, m_properties, 0, subProps);
 803
 804     if ( maxW > 0 )
 805     {
 806         maxW += pg->m_marginWidth;
 807         DoSetSplitterPosition( maxW );
 808     }
 809
 810     pg->SetInternalFlag(wxPG_FL_DONT_CENTER_SPLITTER);
 811 }
 812
 813 wxSize wxPropertyGridPageState::DoFitColumns( bool WXUNUSED(allowGridResize) )
 814 {
 815     wxPropertyGrid* pg = GetGrid();
 816     wxClientDC dc(pg);
 817     dc.SetFont(pg->m_font);
 818
 819     int marginWidth = pg->m_marginWidth;
 820     int accWid = marginWidth;
 821     int maxColWidth = 500;
 822
 823     for ( unsigned int col=0; col < GetColumnCount(); col++ )
 824     {
 825         int fitWid = GetColumnFitWidth(dc, m_properties, col, true);
 826         int colMinWidth = GetColumnMinWidth(col);
 827         if ( fitWid < colMinWidth )
 828             fitWid = colMinWidth;
 829         else if ( fitWid > maxColWidth )
 830             fitWid = maxColWidth;
 831
 832         m_colWidths[col] = fitWid;
 833
 834         accWid += fitWid;
 835     }
 836
 837     // Expand last one to fill the width
 838     int remaining = m_width - accWid;
 839     m_colWidths[GetColumnCount()-1] += remaining;
 840
 841     pg->SetInternalFlag(wxPG_FL_DONT_CENTER_SPLITTER);
 842
 843     int firstSplitterX = marginWidth + m_colWidths[0];
 844     m_fSplitterX = (double) firstSplitterX;
 845
 846     // Don't allow initial splitter auto-positioning after this.
 847     if ( pg->GetState() == this )
 848     {
 849         pg->SetSplitterPosition(firstSplitterX, false);
 850         pg->Refresh();
 851     }
 852
 853     int x, y;
 854     pg->GetVirtualSize(&x, &y);
 855
 856     return wxSize(accWid, y);
 857 }
 858
 859 void wxPropertyGridPageState::CheckColumnWidths( int widthChange )
 860 {
 861     if ( m_width == 0 )
 862         return;
 863
 864     wxPropertyGrid* pg = GetGrid();
 865
 866 #ifdef __WXDEBUG__
 867     const bool debug = false;
 868 #endif
 869
 870     unsigned int i;
 871     unsigned int lastColumn = m_colWidths.size() - 1;
 872     int width = m_width;
 873     int clientWidth = pg->GetClientSize().x;
 874
 875     //
 876     // Column to reduce, if needed. Take last one that exceeds minimum width.
 877     // Except if auto splitter centering is used, in which case use widest.
 878     int reduceCol = -1;
 879     int highestColWidth = 0;
 880
 881     bool minimizedCols = false;
 882
 883 #ifdef __WXDEBUG__
 884     if ( debug )
 885         wxLogDebug(wxT("ColumnWidthCheck (virtualWidth: %i, clientWidth: %i)"), width, clientWidth);
 886 #endif
 887
 888     //
 889     // Check min sizes
 890     for ( i=0; i<m_colWidths.size(); i++ )
 891     {
 892         int min = GetColumnMinWidth(i);
 893         if ( m_colWidths[i] <= min )
 894         {
 895             m_colWidths[i] = min;
 896             minimizedCols = true;
 897         }
 898         else
 899         {
 900             if ( pg->HasFlag(wxPG_SPLITTER_AUTO_CENTER) )
 901             {
 902                 if ( m_colWidths[i] >= highestColWidth )
 903                 {
 904                     highestColWidth = m_colWidths[i];
 905                     reduceCol = i;
 906                 }
 907             }
 908             else
 909             {
 910                 reduceCol = i;
 911             }
 912         }
 913     }
 914
 915     int colsWidth = pg->m_marginWidth;
 916     for ( i=0; i<m_colWidths.size(); i++ )
 917         colsWidth += m_colWidths[i];
 918
 919 #ifdef __WXDEBUG__
 920     if ( debug )
 921         wxLogDebug(wxT("  HasVirtualWidth: %i  colsWidth: %i"),(int)pg->HasVirtualWidth(),colsWidth);
 922 #endif
 923
 924     // Then mode-based requirement
 925     if ( !pg->HasVirtualWidth() )
 926     {
 927         int widthHigher = width - colsWidth;
 928
 929         // Adapt colsWidth to width
 930         if ( colsWidth < width )
 931         {
 932             // Increase column
 933         #ifdef __WXDEBUG__
 934         if ( debug )
 935             wxLogDebug(wxT("  Adjust last column to %i"), m_colWidths[lastColumn] + widthHigher);
 936         #endif
 937             m_colWidths[lastColumn] = m_colWidths[lastColumn] + widthHigher;
 938         }
 939         else if ( colsWidth > width )
 940         {
 941             // Reduce column
 942             if ( reduceCol != -1 )
 943             {
 944             #ifdef __WXDEBUG__
 945                 if ( debug )
 946                     wxLogDebug(wxT("  Reduce column %i (by %i)"), reduceCol, -widthHigher);
 947             #endif
 948                 // Reduce widest column, and recheck
 949                 m_colWidths[reduceCol] = m_colWidths[reduceCol] + widthHigher;
 950                 CheckColumnWidths();
 951             }
 952         }
 953     }
 954     else
 955     {
 956         // Only check colsWidth against clientWidth
 957         if ( colsWidth < clientWidth )
 958         {
 959             m_colWidths[lastColumn] = m_colWidths[lastColumn] + (clientWidth-colsWidth);
 960         }
 961
 962         m_width = colsWidth;
 963
 964         // If width changed, recalculate virtual size
 965         if ( pg->GetState() == this )
 966             pg->RecalculateVirtualSize();
 967     }
 968
 969 #ifdef __WXDEBUG__
 970     if ( debug )
 971         for ( i=0; i<m_colWidths.size(); i++ )
 972             wxLogDebug(wxT("col%i: %i"),i,m_colWidths[i]);
 973 #endif
 974
 975     // Auto center splitter
 976     if ( !(pg->GetInternalFlags() & wxPG_FL_DONT_CENTER_SPLITTER) &&
 977          m_colWidths.size() == 2 )
 978     {
 979         float centerX = (float)(pg->m_width/2);
 980         float splitterX;
 981
 982         if ( m_fSplitterX < 0.0 )
 983         {
 984             splitterX = centerX;
 985         }
 986         else if ( widthChange )
 987         {
 988             //float centerX = float(pg->GetSize().x) * 0.5;
 989
 990             // Recenter?
 991             splitterX = m_fSplitterX + (float(widthChange) * 0.5);
 992             float deviation = fabs(centerX - splitterX);
 993
 994             // If deviating from center, adjust towards it
 995             if ( deviation > 20.0 )
 996             {
 997                 if ( splitterX > centerX)
 998                     splitterX -= 2;
 999                 else
1000                     splitterX += 2;
1001             }
1002         }
1003         else
1004         {
1005             // No width change, just keep sure we keep splitter position intact
1006             splitterX = m_fSplitterX;
1007             float deviation = fabs(centerX - splitterX);
1008             if ( deviation > 50.0 )
1009             {
1010                 splitterX = centerX;
1011             }
1012         }
1013
1014         DoSetSplitterPosition((int)splitterX, 0, false, true);
1015
1016         m_fSplitterX = splitterX; // needed to retain accuracy
1017     }
1018 }
1019
1020 void wxPropertyGridPageState::SetColumnCount( int colCount )
1021 {
1022     wxASSERT( colCount >= 2 );
1023     m_colWidths.SetCount( colCount, wxPG_DRAG_MARGIN );
1024     if ( m_colWidths.size() > (unsigned int)colCount )
1025         m_colWidths.RemoveAt( m_colWidths.size(), m_colWidths.size() - colCount );
1026
1027     if ( m_pPropGrid->GetState() == this )
1028         m_pPropGrid->RecalculateVirtualSize();
1029     else
1030         CheckColumnWidths();
1031 }
1032
1033 // Returns column index, -1 for margin
1034 int wxPropertyGridPageState::HitTestH( int x, int* pSplitterHit, int* pSplitterHitOffset ) const
1035 {
1036     int cx = GetGrid()->m_marginWidth;
1037     int col = -1;
1038     int prevSplitter = -1;
1039
1040     while ( x > cx )
1041     {
1042         col++;
1043         if ( col >= (int)m_colWidths.size() )
1044         {
1045             *pSplitterHit = -1;
1046             return col;
1047         }
1048         prevSplitter = cx;
1049         cx += m_colWidths[col];
1050     }
1051
1052     // Near prev. splitter
1053     if ( col >= 1 )
1054     {
1055         int diff = x - prevSplitter;
1056         if ( abs(diff) < wxPG_SPLITTERX_DETECTMARGIN1 )
1057         {
1058             *pSplitterHit = col - 1;
1059             *pSplitterHitOffset = diff;
1060             return col;
1061         }
1062     }
1063
1064     // Near next splitter
1065     int nextSplitter = cx;
1066     if ( col < (int)(m_colWidths.size()-1) )
1067     {
1068         int diff = x - nextSplitter;
1069         if ( abs(diff) < wxPG_SPLITTERX_DETECTMARGIN1 )
1070         {
1071             *pSplitterHit = col;
1072             *pSplitterHitOffset = diff;
1073             return col;
1074         }
1075     }
1076
1077     *pSplitterHit = -1;
1078     return col;
1079 }
1080
1081 // -----------------------------------------------------------------------
1082 // wxPropertyGridPageState property value setting and getting
1083 // -----------------------------------------------------------------------
1084
1085 bool wxPropertyGridPageState::DoSetPropertyValueString( wxPGProperty* p, const wxString& value )
1086 {
1087     if ( p )
1088     {
1089         int flags = wxPG_REPORT_ERROR|wxPG_FULL_VALUE;
1090
1091         wxVariant variant = p->GetValueRef();
1092         bool res;
1093
1094         if ( p->GetMaxLength() <= 0 )
1095             res = p->StringToValue( variant, value, flags );
1096         else
1097             res = p->StringToValue( variant, value.Mid(0,p->GetMaxLength()), flags );
1098
1099         if ( res )
1100         {
1101             p->SetValue(variant);
1102             if ( m_selected==p && this==m_pPropGrid->GetState() )
1103                 p->UpdateControl(m_pPropGrid->GetEditorControl());
1104         }
1105
1106         return true;
1107     }
1108     return false;
1109 }
1110
1111 // -----------------------------------------------------------------------
1112
1113 bool wxPropertyGridPageState::DoSetPropertyValue( wxPGProperty* p, wxVariant& value )
1114 {
1115     if ( p )
1116     {
1117         p->SetValue(value);
1118         if ( m_selected==p && this==m_pPropGrid->GetState() )
1119             p->UpdateControl(m_pPropGrid->GetEditorControl());
1120
1121         return true;
1122     }
1123     return false;
1124 }
1125
1126 // -----------------------------------------------------------------------
1127
1128 bool wxPropertyGridPageState::DoSetPropertyValueWxObjectPtr( wxPGProperty* p, wxObject* value )
1129 {
1130     if ( p )
1131     {
1132         // wnd_primary has to be given so the control can be updated as well.
1133         wxVariant v(value);
1134         DoSetPropertyValue(p, v);
1135         return true;
1136     }
1137     return false;
1138 }
1139
1140 // -----------------------------------------------------------------------
1141
1142 void wxPropertyGridPageState::DoSetPropertyValueUnspecified( wxPGProperty* p )
1143 {
1144     wxCHECK_RET( p, wxT("invalid property id") );
1145
1146     if ( !p->IsValueUnspecified() )
1147     {
1148         // Value should be set first - editor class methods may need it
1149         p->m_value.MakeNull();
1150
1151         wxASSERT( m_pPropGrid );
1152
1153         if ( m_pPropGrid->GetState() == this )
1154         {
1155             if ( m_pPropGrid->m_selected == p && m_pPropGrid->m_wndEditor )
1156             {
1157                 p->GetEditorClass()->SetValueToUnspecified(p, m_pPropGrid->GetEditorControl());
1158             }
1159         }
1160
1161         unsigned int i;
1162         for ( i = 0; i < p->GetChildCount(); i++ )
1163             DoSetPropertyValueUnspecified( p->Item(i) );
1164     }
1165 }
1166
1167 // -----------------------------------------------------------------------
1168 // wxPropertyGridPageState property operations
1169 // -----------------------------------------------------------------------
1170
1171 bool wxPropertyGridPageState::DoCollapse( wxPGProperty* p )
1172 {
1173     wxCHECK_MSG( p, false, wxT("invalid property id") );
1174
1175     if ( !p->GetChildCount() ) return false;
1176
1177     if ( !p->IsExpanded() ) return false;
1178
1179     p->SetExpanded(false);
1180
1181     VirtualHeightChanged();
1182
1183     return true;
1184 }
1185
1186 // -----------------------------------------------------------------------
1187
1188 bool wxPropertyGridPageState::DoExpand( wxPGProperty* p )
1189 {
1190     wxCHECK_MSG( p, false, wxT("invalid property id") );
1191
1192     if ( !p->GetChildCount() ) return false;
1193
1194     if ( p->IsExpanded() ) return false;
1195
1196     p->SetExpanded(true);
1197
1198     VirtualHeightChanged();
1199
1200     return true;
1201 }
1202
1203 // -----------------------------------------------------------------------
1204
1205 bool wxPropertyGridPageState::DoSelectProperty( wxPGProperty* p, unsigned int flags )
1206 {
1207     if ( this == m_pPropGrid->GetState() )
1208         return m_pPropGrid->DoSelectProperty( p, flags );
1209
1210     m_selected = p;
1211     return true;
1212 }
1213
1214 // -----------------------------------------------------------------------
1215
1216 bool wxPropertyGridPageState::DoHideProperty( wxPGProperty* p, bool hide, int flags )
1217 {
1218     if ( !hide )
1219         p->ClearFlag( wxPG_PROP_HIDDEN );
1220     else
1221         p->SetFlag( wxPG_PROP_HIDDEN );
1222
1223     if ( flags & wxPG_RECURSE )
1224     {
1225         unsigned int i;
1226         for ( i = 0; i < p->GetChildCount(); i++ )
1227             DoHideProperty(p->Item(i), hide, flags | wxPG_RECURSE_STARTS);
1228     }
1229
1230     VirtualHeightChanged();
1231
1232     return true;
1233 }
1234
1235 // -----------------------------------------------------------------------
1236
1237 bool wxPropertyGridPageState::DoEnableProperty( wxPGProperty* p, bool enable )
1238 {
1239     if ( p )
1240     {
1241         if ( enable )
1242         {
1243             if ( !(p->m_flags & wxPG_PROP_DISABLED) )
1244                 return false;
1245
1246             // Enabling
1247
1248             p->m_flags &= ~(wxPG_PROP_DISABLED);
1249         }
1250         else
1251         {
1252             if ( p->m_flags & wxPG_PROP_DISABLED )
1253                 return false;
1254
1255             // Disabling
1256
1257             p->m_flags |= wxPG_PROP_DISABLED;
1258
1259         }
1260
1261         // Apply same to sub-properties as well
1262         unsigned int i;
1263         for ( i = 0; i < p->GetChildCount(); i++ )
1264             DoEnableProperty( p->Item(i), enable );
1265
1266         return true;
1267     }
1268     return false;
1269 }
1270
1271 // -----------------------------------------------------------------------
1272 // wxPropertyGridPageState wxVariant related routines
1273 // -----------------------------------------------------------------------
1274
1275 // Returns list of wxVariant objects (non-categories and non-sub-properties only).
1276 // Never includes sub-properties (unless they are parented by wxParentProperty).
1277 wxVariant wxPropertyGridPageState::DoGetPropertyValues( const wxString& listname,
1278                                                     wxPGProperty* baseparent,
1279                                                     long flags ) const
1280 {
1281     wxPGProperty* pwc = (wxPGProperty*) baseparent;
1282
1283     // Root is the default base-parent.
1284     if ( !pwc )
1285         pwc = m_properties;
1286
1287     wxVariantList tempList;
1288     wxVariant v( tempList, listname );
1289
1290     if ( pwc->GetChildCount() )
1291     {
1292         if ( flags & wxPG_KEEP_STRUCTURE )
1293         {
1294             wxASSERT( !pwc->HasFlag(wxPG_PROP_AGGREGATE) );
1295
1296             size_t i;
1297             for ( i=0; i<pwc->GetChildCount(); i++ )
1298             {
1299                 wxPGProperty* p = pwc->Item(i);
1300                 if ( !p->GetChildCount() || p->HasFlag(wxPG_PROP_AGGREGATE) )
1301                 {
1302                     wxVariant variant = p->GetValue();
1303                     variant.SetName( p->GetBaseName() );
1304                     v.Append( variant );
1305                 }
1306                 else
1307                 {
1308                     v.Append( DoGetPropertyValues(p->m_name,p,flags|wxPG_KEEP_STRUCTURE) );
1309                 }
1310                 if ( (flags & wxPG_INC_ATTRIBUTES) && p->m_attributes.GetCount() )
1311                     v.Append( p->GetAttributesAsList() );
1312             }
1313         }
1314         else
1315         {
1316             wxPropertyGridConstIterator it( this, wxPG_ITERATE_DEFAULT, pwc->Item(0) );
1317             it.SetBaseParent( pwc );
1318
1319             for ( ; !it.AtEnd(); it.Next() )
1320             {
1321                 const wxPGProperty* p = it.GetProperty();
1322
1323                 // Use a trick to ignore wxParentProperty itself, but not its sub-properties.
1324                 if ( !p->GetChildCount() || p->HasFlag(wxPG_PROP_AGGREGATE) )
1325                 {
1326                     wxVariant variant = p->GetValue();
1327                     variant.SetName( p->GetName() );
1328                     v.Append( variant );
1329                     if ( (flags & wxPG_INC_ATTRIBUTES) && p->m_attributes.GetCount() )
1330                         v.Append( p->GetAttributesAsList() );
1331                 }
1332             }
1333         }
1334     }
1335
1336     return v;
1337 }
1338
1339 // -----------------------------------------------------------------------
1340
1341 void wxPropertyGridPageState::DoSetPropertyValues( const wxVariantList& list, wxPGProperty* defaultCategory )
1342 {
1343     unsigned char origFrozen = 1;
1344
1345     if ( m_pPropGrid->GetState() == this )
1346     {
1347         origFrozen = m_pPropGrid->m_frozen;
1348         if ( !origFrozen ) m_pPropGrid->Freeze();
1349     }
1350
1351     wxPropertyCategory* use_category = (wxPropertyCategory*)defaultCategory;
1352
1353     if ( !use_category )
1354         use_category = (wxPropertyCategory*)m_properties;
1355
1356     // Let's iterate over the list of variants.
1357     wxVariantList::const_iterator node;
1358     int numSpecialEntries = 0;
1359
1360     //
1361     // Second pass for special entries
1362     for ( node = list.begin(); node != list.end(); node++ )
1363     {
1364         wxVariant *current = (wxVariant*)*node;
1365
1366         // Make sure it is wxVariant.
1367         wxASSERT( current );
1368         wxASSERT( wxStrcmp(current->GetClassInfo()->GetClassName(),wxT("wxVariant")) == 0 );
1369
1370         const wxString& name = current->GetName();
1371         if ( name.length() > 0 )
1372         {
1373             //
1374             // '@' signified a special entry
1375             if ( name[0] == wxS('@') )
1376             {
1377                 numSpecialEntries++;
1378             }
1379             else
1380             {
1381                 wxPGProperty* foundProp = BaseGetPropertyByName(name);
1382                 if ( foundProp )
1383                 {
1384                     wxPGProperty* p = foundProp;
1385
1386                     // If it was a list, we still have to go through it.
1387                     if ( wxStrcmp(current->GetType(), wxS("list")) == 0 )
1388                     {
1389                         DoSetPropertyValues( current->GetList(),
1390                                 p->IsCategory()?p:((wxPGProperty*)NULL)
1391                             );
1392                     }
1393                     else
1394                     {
1395                 #ifdef __WXDEBUG__
1396                         if ( wxStrcmp(current->GetType(), p->GetValue().GetType()) != 0)
1397                         {
1398                             wxLogDebug(wxT("wxPropertyGridPageState::DoSetPropertyValues Warning: Setting value of property \"%s\" from variant"),
1399                                 p->GetName().c_str());
1400                         }
1401                 #endif
1402
1403                         p->SetValue(*current);
1404                     }
1405                 }
1406                 else
1407                 {
1408                     // Is it list?
1409                     if ( current->GetType() != wxS("list") )
1410                     {
1411                         // Not.
1412                     }
1413                     else
1414                     {
1415                         // Yes, it is; create a sub category and append contents there.
1416                         wxPGProperty* newCat = DoInsert(use_category,-1,new wxPropertyCategory(current->GetName(),wxPG_LABEL));
1417                         DoSetPropertyValues( current->GetList(), newCat );
1418                     }
1419                 }
1420             }
1421         }
1422     }
1423
1424     if ( numSpecialEntries )
1425     {
1426         for ( node = list.begin(); node != list.end(); node++ )
1427         {
1428             wxVariant *current = (wxVariant*)*node;
1429
1430             const wxString& name = current->GetName();
1431             if ( name.length() > 0 )
1432             {
1433                 //
1434                 // '@' signified a special entry
1435                 if ( name[0] == wxS('@') )
1436                 {
1437                     numSpecialEntries--;
1438
1439                     size_t pos2 = name.rfind(wxS('@'));
1440                     if ( pos2 > 0 && pos2 < (name.size()-1) )
1441                     {
1442                         wxString propName = name.substr(1, pos2-1);
1443                         wxString entryType = name.substr(pos2+1, wxString::npos);
1444
1445                         if ( entryType == wxS("attr") )
1446                         {
1447                             //
1448                             // List of attributes
1449                             wxPGProperty* foundProp = BaseGetPropertyByName(propName);
1450                             if ( foundProp )
1451                             {
1452                                 wxASSERT( wxPGIsVariantType(*current, list) );
1453
1454                                 wxVariantList& list2 = current->GetList();
1455                                 wxVariantList::const_iterator node2;
1456
1457                                 for ( node2 = list2.begin(); node2 != list2.end(); node2++ )
1458                                 {
1459                                     wxVariant *attr = (wxVariant*)*node2;
1460                                     foundProp->SetAttribute( attr->GetName(), *attr );
1461                                 }
1462                             }
1463                             else
1464                             {
1465                                 // ERROR: No such property: 'propName'
1466                             }
1467                         }
1468                     }
1469                     else
1470                     {
1471                         // ERROR: Special entry requires name of format @<propname>@<entrytype>
1472                     }
1473                 }
1474             }
1475
1476             if ( !numSpecialEntries )
1477                 break;
1478         }
1479     }
1480
1481     if ( !origFrozen )
1482     {
1483         m_pPropGrid->Thaw();
1484
1485         if ( this == m_pPropGrid->GetState() )
1486         {
1487             m_selected->UpdateControl(m_pPropGrid->GetEditorControl());
1488         }
1489     }
1490
1491 }
1492
1493 // -----------------------------------------------------------------------
1494 // wxPropertyGridPageState property adding and removal
1495 // -----------------------------------------------------------------------
1496
1497 int wxPropertyGridPageState::PrepareToAddItem( wxPGProperty* property,
1498                                            wxPGProperty* scheduledParent )
1499 {
1500     wxPropertyGrid* propGrid = m_pPropGrid;
1501
1502     // This will allow better behavior.
1503     if ( scheduledParent == m_properties )
1504         scheduledParent = (wxPGProperty*) NULL;
1505
1506     if ( scheduledParent && !scheduledParent->IsCategory() )
1507     {
1508         wxASSERT_MSG( property->GetBaseName().length(),
1509                       "Property's children must have unique, non-empty names within their scope" );
1510     }
1511
1512     property->m_parentState = this;
1513
1514     if ( property->IsCategory() )
1515     {
1516
1517         // Parent of a category must be either root or another category
1518         // (otherwise Bad Things might happen).
1519         wxASSERT_MSG( scheduledParent == NULL ||
1520                       scheduledParent == m_properties ||
1521                       scheduledParent->IsCategory(),
1522                  wxT("Parent of a category must be either root or another category."));
1523
1524         // If we already have category with same name, delete given property
1525         // and use it instead as most recent caption item.
1526         wxPGProperty* found_id = BaseGetPropertyByName( property->GetBaseName() );
1527         if ( found_id )
1528         {
1529             wxPropertyCategory* pwc = (wxPropertyCategory*) found_id;
1530             if ( pwc->IsCategory() ) // Must be a category.
1531             {
1532                 delete property;
1533                 m_currentCategory = pwc;
1534                 return 2; // Tells the caller what we did.
1535             }
1536         }
1537     }
1538
1539 #ifdef __WXDEBUG__
1540     // Warn for identical names in debug mode.
1541     if ( BaseGetPropertyByName(property->GetName()) &&
1542          (!scheduledParent || scheduledParent->IsCategory()) )
1543     {
1544         wxLogError(wxT("wxPropertyGrid: Warning - item with name \"%s\" already exists."),
1545             property->GetName().c_str());
1546         wxPGGlobalVars->m_warnings++;
1547     }
1548 #endif
1549
1550     // Make sure nothing is selected.
1551     if ( propGrid && propGrid->m_selected )
1552     {
1553         bool selRes = propGrid->ClearSelection();
1554         wxPG_CHECK_MSG_DBG( selRes,
1555                             -1,
1556                             wxT("failed to deselect a property (editor probably had invalid value)") );
1557     }
1558
1559     if ( scheduledParent )
1560     {
1561         // Use parent's colours.
1562         property->m_bgColIndex = scheduledParent->m_bgColIndex;
1563         property->m_fgColIndex = scheduledParent->m_fgColIndex;
1564
1565         // Fix no parent does not yet have parenting flag yet, set one now
1566         if ( !scheduledParent->HasFlag(wxPG_PROP_PARENTAL_FLAGS) )
1567             scheduledParent->SetParentalType(wxPG_PROP_MISC_PARENT);
1568             //scheduledParent->SetFlag(wxPG_PROP_MISC_PARENT);
1569     }
1570
1571     // If in hideable adding mode, or if assigned parent is hideable, then
1572     // make this one hideable.
1573     if (
1574          ( scheduledParent && (scheduledParent->m_flags & wxPG_PROP_HIDDEN) ) ||
1575          ( propGrid && (propGrid->m_iFlags & wxPG_FL_ADDING_HIDEABLES) )
1576        )
1577         property->SetFlag( wxPG_PROP_HIDDEN );
1578
1579     // Set custom image flag.
1580     int custImgHeight = property->OnMeasureImage().y;
1581     if ( custImgHeight < 0 /*|| custImgHeight > 1*/ )
1582     {
1583         property->m_flags |= wxPG_PROP_CUSTOMIMAGE;
1584     }
1585
1586     if ( propGrid && (propGrid->GetWindowStyleFlag() & wxPG_LIMITED_EDITING) )
1587         property->m_flags |= wxPG_PROP_NOEDITOR;
1588
1589     if ( !property->IsCategory() )
1590     {
1591         // This is not a category.
1592
1593         //wxASSERT_MSG( property->GetEditorClass(), wxT("Editor class not initialized!") );
1594
1595         // Depth.
1596         //
1597         unsigned char depth = 1;
1598         if ( scheduledParent )
1599         {
1600             depth = scheduledParent->m_depth;
1601             if ( !scheduledParent->IsCategory() )
1602                 depth++;
1603         }
1604         property->m_depth = depth;
1605         unsigned char greyDepth = depth;
1606
1607         if ( scheduledParent )
1608         {
1609             wxPropertyCategory* pc;
1610
1611             if ( scheduledParent->IsCategory() || scheduledParent->IsRoot() )
1612                 pc = (wxPropertyCategory*)scheduledParent;
1613             else
1614                 // This conditional compile is necessary to
1615                 // bypass some compiler bug.
1616                 pc = GetPropertyCategory(scheduledParent);
1617
1618             if ( pc )
1619                 greyDepth = pc->GetDepth();
1620             else
1621                 greyDepth = scheduledParent->m_depthBgCol;
1622         }
1623
1624         property->m_depthBgCol = greyDepth;
1625
1626         // Prepare children pre-added children
1627         if ( property->GetChildCount() )
1628         {
1629             property->SetParentalType(wxPG_PROP_AGGREGATE);
1630
1631             property->SetExpanded(false); // Properties with children are not expanded by default.
1632             if ( propGrid && propGrid->GetWindowStyleFlag() & wxPG_HIDE_MARGIN )
1633                 property->SetExpanded(true); // ...unless it cannot be expanded.
1634
1635             property->PrepareSubProperties();
1636
1637             return -1;
1638         }
1639
1640         if ( propGrid && (propGrid->GetExtraStyle() & wxPG_EX_AUTO_UNSPECIFIED_VALUES) )
1641             property->SetFlagRecursively(wxPG_PROP_AUTO_UNSPECIFIED, true);
1642
1643         return 0;
1644     }
1645     else
1646     {
1647         // This is a category.
1648
1649         // depth
1650         unsigned char depth = 1;
1651         if ( scheduledParent )
1652         {
1653             depth = scheduledParent->m_depth + 1;
1654         }
1655         property->m_depth = depth;
1656         property->m_depthBgCol = depth;
1657
1658         m_currentCategory = (wxPropertyCategory*)property;
1659
1660         wxPropertyCategory* pc = (wxPropertyCategory*)property;
1661
1662         // Calculate text extent for caption item.
1663         if ( propGrid )
1664             pc->CalculateTextExtent(propGrid, propGrid->GetCaptionFont());
1665
1666         return 1;
1667     }
1668 }
1669
1670 // -----------------------------------------------------------------------
1671
1672 wxPGProperty* wxPropertyGridPageState::DoAppend( wxPGProperty* property )
1673 {
1674     wxPropertyCategory* cur_cat = m_currentCategory;
1675     if ( property->IsCategory() )
1676         cur_cat = (wxPropertyCategory*) NULL;
1677
1678     return DoInsert( cur_cat, -1, property );
1679 }
1680
1681 // -----------------------------------------------------------------------
1682
1683 wxPGProperty* wxPropertyGridPageState::DoInsert( wxPGProperty* parent, int index, wxPGProperty* property )
1684 {
1685     if ( !parent )
1686         parent = m_properties;
1687
1688     wxCHECK_MSG( !parent->HasFlag(wxPG_PROP_AGGREGATE),
1689                  wxNullProperty,
1690                  wxT("when adding properties to fixed parents, use BeginAddChildren and EndAddChildren.") );
1691
1692     int parenting = PrepareToAddItem( property, (wxPropertyCategory*)parent );
1693
1694     // This type of invalid parenting value indicates we should exit now, returning
1695     // id of most recent category.
1696     if ( parenting > 1 )
1697         return m_currentCategory;
1698
1699     // Note that item must be added into current mode later.
1700
1701     // If parent is wxParentProperty, just stick it in...
1702     // If parent is root (m_properties), then...
1703     //   In categoric mode: Add as last item in m_abcArray (if not category).
1704     //                      Add to given index in m_regularArray.
1705     //   In non-cat mode:   Add as last item in m_regularArray.
1706     //                      Add to given index in m_abcArray.
1707     // If parent is category, then...
1708     //   1) Add to given category in given index.
1709     //   2) Add as last item in m_abcArray.
1710
1711     if ( !parent->IsCategory() && !parent->IsRoot() )
1712     {
1713         // Parent is wxParentingProperty: Just stick it in...
1714         parent->AddChild2( property, index );
1715     }
1716     else
1717     {
1718         // Parent is Category or Root.
1719
1720         if ( m_properties == &m_regularArray )
1721         {
1722             // Categorized mode
1723
1724             // Only add non-categories to m_abcArray.
1725             if ( m_abcArray && parenting <= 0 )
1726                 m_abcArray->AddChild2( property, -1, false );
1727
1728             // Add to current mode.
1729             parent->AddChild2( property, index );
1730
1731         }
1732         else
1733         {
1734             // Non-categorized mode.
1735
1736             if ( parent != m_properties )
1737                 // Parent is category.
1738                 parent->AddChild2( property, index, false );
1739             else
1740                 // Parent is root.
1741                 m_regularArray.AddChild2( property, -1, false );
1742
1743             // Add to current mode (no categories).
1744             if ( parenting <= 0 )
1745                 m_abcArray->AddChild2( property, index );
1746         }
1747     }
1748
1749     // category stuff
1750     if ( property->IsCategory() )
1751     {
1752         // This is a category caption item.
1753
1754         // Last caption is not the bottom one (this info required by append)
1755         m_lastCaptionBottomnest = 0;
1756     }
1757
1758     // Only add name to hashmap if parent is root or category
1759     if ( (parent->IsCategory() || parent->IsRoot()) && property->m_name.length() )
1760         m_dictName[property->m_name] = (void*) property;
1761
1762     VirtualHeightChanged();
1763
1764     property->UpdateParentValues();
1765
1766     m_itemsAdded = 1;
1767
1768     return property;
1769 }
1770
1771 // -----------------------------------------------------------------------
1772
1773 void wxPropertyGridPageState::DoDelete( wxPGProperty* item )
1774 {
1775     wxCHECK_RET( item->GetParent(),
1776         wxT("this property was already deleted") );
1777
1778     wxCHECK_RET( item != &m_regularArray && item != m_abcArray,
1779         wxT("wxPropertyGrid: Do not attempt to remove the root item.") );
1780
1781     size_t i;
1782     unsigned int indinparent = item->GetIndexInParent();
1783
1784     wxPGProperty* pwc = (wxPGProperty*)item;
1785
1786     wxCHECK_RET( !item->GetParent()->HasFlag(wxPG_PROP_AGGREGATE),
1787         wxT("wxPropertyGrid: Do not attempt to remove sub-properties.") );
1788
1789     if ( item->IsCategory() )
1790     {
1791         // deleting a category
1792
1793         // erase category entries from the hash table
1794         for ( i=0; i<pwc->GetChildCount(); i++ )
1795         {
1796             wxPGProperty* sp = pwc->Item( i );
1797             if ( sp->GetBaseName().Len() ) m_dictName.erase(sp->GetBaseName());
1798         }
1799
1800         if ( pwc == m_currentCategory )
1801             m_currentCategory = (wxPropertyCategory*) NULL;
1802
1803         if ( m_abcArray )
1804         {
1805             // Remove children from non-categorized array.
1806             for ( i=0; i<pwc->GetChildCount(); i++ )
1807             {
1808                 wxPGProperty * p = pwc->Item( i );
1809                 wxASSERT( p != NULL );
1810                 if ( !p->IsCategory() )
1811                     m_abcArray->m_children.Remove( p );
1812             }
1813
1814             if ( IsInNonCatMode() )
1815                 m_abcArray->FixIndexesOfChildren();
1816         }
1817     }
1818
1819     if ( !IsInNonCatMode() )
1820     {
1821         // categorized mode - non-categorized array
1822
1823         // Remove from non-cat array, but only if parent is in it
1824         if ( !item->IsCategory() && item->GetParent()->IsCategory() )
1825         {
1826             if ( m_abcArray )
1827             {
1828                 m_abcArray->m_children.Remove( item );
1829             }
1830         }
1831
1832         // categorized mode - categorized array
1833         item->m_parent->m_children.RemoveAt(indinparent);
1834         item->m_parent->FixIndexesOfChildren(/*indinparent*/);
1835     }
1836     else
1837     {
1838         // non-categorized mode - categorized array
1839
1840         // We need to find location of item.
1841         wxPGProperty* cat_parent = &m_regularArray;
1842         int cat_index = m_regularArray.GetChildCount();
1843         size_t i;
1844         for ( i = 0; i < m_regularArray.GetChildCount(); i++ )
1845         {
1846             wxPGProperty* p = m_regularArray.Item(i);
1847             if ( p == item ) { cat_index = i; break; }
1848             if ( p->IsCategory() )
1849             {
1850                 int subind = ((wxPGProperty*)p)->Index(item);
1851                 if ( subind != wxNOT_FOUND )
1852                 {
1853                     cat_parent = ((wxPGProperty*)p);
1854                     cat_index = subind;
1855                     break;
1856                 }
1857             }
1858         }
1859         cat_parent->m_children.RemoveAt(cat_index);
1860
1861         // non-categorized mode - non-categorized array
1862         if ( !item->IsCategory() )
1863         {
1864             wxASSERT( item->m_parent == m_abcArray );
1865             item->m_parent->m_children.RemoveAt(indinparent);
1866             item->m_parent->FixIndexesOfChildren(indinparent);
1867         }
1868     }
1869
1870     if ( item->GetBaseName().Len() ) m_dictName.erase(item->GetBaseName());
1871
1872     // We can actually delete it now
1873     delete item;
1874
1875     m_itemsAdded = 1; // Not a logical assignment (but required nonetheless).
1876
1877     VirtualHeightChanged();
1878 }
1879
1880 // -----------------------------------------------------------------------