contrib/utils/wxrcedit/editor.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Author:      Vaclav Slavik
   3 // Created:     2000/05/05
   4 // RCS-ID:      $Id$
   5 // Copyright:   (c) 2000 Vaclav Slavik
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 #ifdef __GNUG__
  10     #pragma implementation "editor.h"
  11     #pragma implementation "treedt.h"
  12 #endif
  13
  14 // For compilers that support precompilation, includes "wx/wx.h".
  15 #include "wx/wxprec.h"
  16
  17 #ifdef __BORLANDC__
  18     #pragma hdrstop
  19 #endif
  20
  21 #include "wx/wx.h"
  22 #include "wx/xml/xml.h"
  23 #include "wx/xml/xmlres.h"
  24 #include "wx/splitter.h"
  25 #include "wx/config.h"
  26 #include "wx/dir.h"
  27 #include "wx/listctrl.h"
  28 #include "wx/imaglist.h"
  29
  30 #include "treedt.h"
  31 #include "editor.h"
  32 #include "nodehnd.h"
  33 #include "xmlhelpr.h"
  34 #include "preview.h"
  35 #include "propframe.h"
  36
  37
  38
  39 class EditorTreeCtrl : public wxTreeCtrl
  40 {
  41     public:
  42         EditorTreeCtrl(wxWindow *parent, int id, EditorFrame *frame)
  43                  : wxTreeCtrl(parent, id), m_EdFrame(frame) {}
  44
  45     private:
  46         EditorFrame *m_EdFrame;
  47
  48         void OnRightClick(wxMouseEvent &event)
  49         {
  50             wxTreeItemId item =
  51                 m_EdFrame->m_TreeCtrl->HitTest(event.GetPosition());
  52             if (item.IsOk())
  53             {
  54                 m_EdFrame->m_TreeCtrl->SelectItem(item);
  55                 m_EdFrame->OnRightClickTree(event.GetPosition());
  56             }
  57         }
  58         DECLARE_EVENT_TABLE()
  59 };
  60
  61 BEGIN_EVENT_TABLE(EditorTreeCtrl, wxTreeCtrl)
  62     EVT_RIGHT_DOWN(EditorTreeCtrl::OnRightClick)
  63 END_EVENT_TABLE()
  64
  65
  66 enum
  67 {
  68     ID_PREVIEW = wxID_HIGHEST + 100,
  69     ID_NEW,
  70     ID_OPEN,
  71     ID_CLOSE,
  72     ID_SAVE,
  73     ID_SAVEAS,
  74     ID_DELETE_NODE,
  75     ID_EXIT,
  76     ID_TREE,
  77
  78     ID_CUT,
  79     ID_PASTE_SYBLING,
  80     ID_PASTE_CHILD,
  81     ID_COPY,
  82
  83     ID_NEWDIALOG,
  84     ID_NEWPANEL,
  85     ID_NEWMENU,
  86     ID_NEWMENUBAR,
  87     ID_NEWTOOLBAR,
  88     ID_NEWNODE = wxID_HIGHEST + 10000, // safely out of XMLID range :)
  89     ID_NEWSYBNODE = ID_NEWNODE + 20000
  90 };
  91
  92
  93
  94
  95
  96 BEGIN_EVENT_TABLE(EditorFrame, wxFrame)
  97     EVT_TREE_SEL_CHANGED(ID_TREE, EditorFrame::OnTreeSel)
  98     EVT_TOOL_RANGE(ID_PREVIEW, ID_EXIT, EditorFrame::OnToolbar)
  99     EVT_MENU_RANGE(ID_NEWDIALOG, ID_NEWSYBNODE + 1000, EditorFrame::OnNewNode)
 100     EVT_MENU_RANGE(ID_CUT, ID_COPY, EditorFrame::OnClipboardAction)
 101     EVT_CLOSE(EditorFrame::OnCloseWindow)
 102 END_EVENT_TABLE()
 103
 104
 105
 106 #if defined(__UNIX__)
 107 #include "bitmaps/preview.xpm"
 108 #include "bitmaps/close.xpm"
 109 #include "bitmaps/save.xpm"
 110 #include "bitmaps/open.xpm"
 111
 112 #include "bitmaps/control.xpm"
 113 #include "bitmaps/vsizer.xpm"
 114 #include "bitmaps/hsizer.xpm"
 115 #include "bitmaps/panel.xpm"
 116 #include "bitmaps/gsizer.xpm"
 117 #include "bitmaps/resicon.xpm"
 118 #endif
 119
 120
 121
 122 EditorFrame *EditorFrame::ms_Instance = NULL;
 123
 124 EditorFrame::EditorFrame(wxFrame *parent, const wxString& filename)
 125     : wxFrame(parent, -1, filename + _("- wxWindows resources editor"))
 126 {
 127     ms_Instance = this;
 128
 129     m_Clipboard = NULL;
 130     m_Modified = FALSE;
 131
 132     wxConfigBase *cfg = wxConfigBase::Get();
 133
 134     SetSize(wxRect(wxPoint(cfg->Read("editor_x", -1), cfg->Read("editor_y", -1)),
 135             wxSize(cfg->Read("editor_w", 400), cfg->Read("editor_h", 400))));
 136
 137     m_SelectedNode = NULL;
 138     m_Resource = NULL;
 139     m_FileName = wxEmptyString;
 140
 141     wxMenu *menuFile = new wxMenu;
 142     menuFile->Append(ID_NEW, "&New");
 143     menuFile->Append(ID_OPEN, "&Open\tCtrl-O");
 144     menuFile->Append(ID_SAVE, "&Save\tCtrl-S");
 145     menuFile->Append(ID_SAVEAS, "Save &as...");
 146     menuFile->AppendSeparator();
 147     menuFile->Append(ID_EXIT, "E&xit\tAlt-X");
 148
 149     wxMenu *menuEdit = new wxMenu;
 150     menuEdit->Append(ID_CUT, "Cut\tCtrl-X");
 151     menuEdit->Append(ID_COPY, "Copy\tCtrl-C");
 152     menuEdit->Append(ID_PASTE_SYBLING, "Paste as sybling\tCtrl-V");
 153     menuEdit->Append(ID_PASTE_CHILD, "Paste as child");
 154     menuEdit->AppendSeparator();
 155     menuEdit->Append(ID_DELETE_NODE,  "Delete");
 156
 157     menuEdit->Enable(ID_PASTE_SYBLING, FALSE);
 158     menuEdit->Enable(ID_PASTE_CHILD, FALSE);
 159
 160     wxMenuBar *menuBar = new wxMenuBar();
 161     menuBar->Append(menuFile, "&File");
 162     menuBar->Append(menuEdit, "&Edit");
 163     SetMenuBar(menuBar);
 164
 165     // Create toolbar:
 166     wxToolBar *toolBar = CreateToolBar(wxNO_BORDER | wxTB_HORIZONTAL | wxTB_FLAT);
 167     toolBar->SetMargins(2, 2);
 168     toolBar->SetToolBitmapSize(wxSize(24, 24));
 169     toolBar -> AddTool(ID_EXIT, wxBITMAP(close), wxNullBitmap,
 170                        FALSE, -1, -1, (wxObject *) NULL,
 171                        _("Quit the editor"));
 172     toolBar -> AddTool(ID_OPEN, wxBITMAP(open), wxNullBitmap,
 173                        FALSE, -1, -1, (wxObject *) NULL,
 174                        _("Open XML resource file"));
 175     toolBar -> AddTool(ID_SAVE, wxBITMAP(save), wxNullBitmap,
 176                        FALSE, -1, -1, (wxObject *) NULL,
 177                        _("Save XML file"));
 178     toolBar -> AddTool(ID_PREVIEW, wxBITMAP(preview), wxNullBitmap,
 179                        FALSE, -1, -1, (wxObject *) NULL,
 180                        _("Preview"));
 181     toolBar -> Realize();
 182
 183     wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
 184
 185     // Create tree control:
 186     m_TreeCtrl = new EditorTreeCtrl(this, ID_TREE, this);
 187     wxImageList *imgList = new wxImageList(16, 16);
 188     imgList->Add(wxICON(control));
 189     imgList->Add(wxICON(panel));
 190     imgList->Add(wxICON(vsizer));
 191     imgList->Add(wxICON(hsizer));
 192     imgList->Add(wxICON(gsizer));
 193     imgList->Add(wxICON(resicon));
 194     m_TreeCtrl->AssignImageList(imgList);
 195     sizer->Add(m_TreeCtrl, 1, wxEXPAND);
 196
 197     SetAutoLayout(TRUE);
 198     SetSizer(sizer);
 199
 200     // Load file:
 201     if (!filename)
 202         NewFile();
 203     else
 204         LoadFile(filename);
 205 }
 206
 207
 208
 209 EditorFrame::~EditorFrame()
 210 {
 211     PreviewFrame::Get()->Close();
 212     PropertiesFrame::Get()->Close();
 213
 214     wxConfigBase *cfg = wxConfigBase::Get();
 215
 216     cfg->Write(_T("editor_x"), (long)GetPosition().x);
 217     cfg->Write(_T("editor_y"), (long)GetPosition().y);
 218     cfg->Write(_T("editor_w"), (long)GetSize().x);
 219     cfg->Write(_T("editor_h"), (long)GetSize().y);
 220
 221     delete m_Clipboard;
 222 }
 223
 224
 225
 226
 227 void EditorFrame::LoadFile(const wxString& filename)
 228 {
 229     if (!AskToSave()) return;
 230
 231     delete m_Resource;
 232
 233     m_FileName = "";
 234     m_Resource = new wxXmlDocument;
 235     m_Modified = FALSE;
 236
 237     if (!m_Resource->Load(filename))
 238     {
 239         delete m_Resource;
 240         m_Resource = NULL;
 241         NewFile();
 242         wxLogError("Error parsing " + filename);
 243     }
 244     else
 245     {
 246         m_FileName = filename;
 247         RefreshTree();
 248     }
 249     RefreshTitle();
 250 }
 251
 252
 253
 254 void EditorFrame::SaveFile(const wxString& filename)
 255 {
 256     m_FileName = filename;
 257
 258     if (!m_Resource->Save(filename, wxXML_IO_LIBXML))
 259         wxLogError(_("Error saving ") + filename);
 260     else
 261         m_Modified = FALSE;
 262
 263     RefreshTitle();
 264 }
 265
 266
 267
 268 void EditorFrame::NewFile()
 269 {
 270     if (!AskToSave()) return;
 271
 272     delete m_Resource;
 273
 274     m_FileName = "";
 275     m_Resource = new wxXmlDocument;
 276     m_Resource->SetRoot(new wxXmlNode(wxXML_ELEMENT_NODE, _("resource")));
 277
 278     m_Modified = FALSE;
 279     RefreshTree();
 280     RefreshTitle();
 281 }
 282
 283
 284
 285 void EditorFrame::RefreshTitle()
 286 {
 287     wxString s;
 288     if (m_Modified) s << _T("* ");
 289     s << _("wxrcedit");
 290     if (!m_FileName)
 291         s << _T(" - ") << wxFileNameFromPath(m_FileName);
 292     SetTitle(s);
 293 }
 294
 295
 296
 297 void EditorFrame::RefreshTree()
 298 {
 299     wxXmlNode *sel = m_SelectedNode;
 300
 301     m_TreeCtrl->DeleteAllItems();
 302     wxTreeItemId root = m_TreeCtrl->AddRoot("Resource: " + wxFileNameFromPath(m_FileName), 5, 5);
 303
 304     wxXmlNode *n = m_Resource->GetRoot()->GetChildren();
 305     while (n)
 306     {
 307         if (n->GetType() == wxXML_ELEMENT_NODE)
 308             CreateTreeNode(m_TreeCtrl, root, n);
 309         n = n->GetNext();
 310     }
 311
 312     m_TreeCtrl->Expand(root);
 313     SelectNode(sel);
 314 }
 315
 316
 317
 318
 319 static void RecursivelyExpand(wxTreeCtrl *t, wxTreeItemId item)
 320 {
 321     t->Expand(item);
 322     long cookie;
 323     wxTreeItemId id = t->GetFirstChild(item, cookie);
 324     while (id.IsOk())
 325     {
 326         RecursivelyExpand(t, id);
 327         id = t->GetNextChild(item, cookie);
 328     }
 329 }
 330
 331 bool EditorFrame::SelectNode(wxXmlNode *node, wxTreeItemId *root)
 332 {
 333     if (root == NULL)
 334     {
 335         wxTreeItemId rootitem = m_TreeCtrl->GetRootItem();
 336         return SelectNode(node, &rootitem);
 337     }
 338
 339     wxTreeItemId item;
 340     XmlTreeData *dt;
 341     wxXmlNode *nd;
 342     long cookie;
 343
 344     item = m_TreeCtrl->GetFirstChild(*root, cookie);
 345     while (item.IsOk())
 346     {
 347         dt = (XmlTreeData*)(m_TreeCtrl->GetItemData(item));
 348         nd = (dt) ? dt->Node : NULL;
 349         if (nd == node)
 350         {
 351             RecursivelyExpand(m_TreeCtrl, *root);
 352             m_TreeCtrl->SelectItem(item);
 353             m_TreeCtrl->EnsureVisible(item);
 354             return TRUE;
 355         }
 356         if (m_TreeCtrl->ItemHasChildren(item) && SelectNode(node, &item))
 357             return TRUE;
 358         item = m_TreeCtrl->GetNextChild(*root, cookie);
 359     }
 360
 361     return FALSE;
 362 }
 363
 364
 365
 366 wxTreeItemId EditorFrame::CreateTreeNode(wxTreeCtrl *treectrl, wxTreeItemId parent, wxXmlNode *node)
 367 {
 368     if (!node)
 369     {
 370         wxTreeItemId invalid;
 371         return invalid;
 372     }
 373
 374     return NodeHandler::Find(node)->CreateTreeNode(treectrl, parent, node);
 375 }
 376
 377
 378
 379 void EditorFrame::NotifyChanged(int change_type)
 380 {
 381     if (change_type & CHANGED_TREE)
 382         RefreshTree();
 383
 384     if (change_type & CHANGED_TREE_SELECTED)
 385     {
 386         wxTreeItemId sel = m_TreeCtrl->GetSelection();
 387         m_TreeCtrl->SetItemText(sel,
 388              NodeHandler::Find(m_SelectedNode)->GetTreeString(m_SelectedNode));
 389     }
 390
 391     if (change_type & CHANGED_TREE_SELECTED_ICON)
 392     {
 393         wxTreeItemId sel = m_TreeCtrl->GetSelection();
 394         int icon = NodeHandler::Find(m_SelectedNode)->GetTreeIcon(m_SelectedNode);
 395         m_TreeCtrl->SetItemImage(sel, icon);
 396     }
 397
 398     if (!m_Modified)
 399     {
 400         m_Modified = TRUE;
 401         RefreshTitle();
 402     }
 403
 404     PreviewFrame::Get()->MakeDirty();
 405 }
 406
 407
 408
 409 void EditorFrame::OnTreeSel(wxTreeEvent& event)
 410 {
 411     XmlTreeData *dt = (XmlTreeData*)(m_TreeCtrl->GetItemData(event.GetItem()));
 412     wxXmlNode *node = (dt) ? dt->Node : NULL;
 413
 414     m_SelectedNode = node;
 415     if (node)
 416         PropertiesFrame::Get()->ShowProps(node);
 417
 418     if (m_TreeCtrl->GetParent(event.GetItem()) == m_TreeCtrl->GetRootItem())
 419     {
 420         wxTreeItemId it = event.GetOldItem();
 421
 422         if (it.IsOk() && m_TreeCtrl->GetRootItem() != it)
 423         {
 424             while (m_TreeCtrl->GetParent(it) != m_TreeCtrl->GetRootItem())
 425                 it = m_TreeCtrl->GetParent(it);
 426             m_TreeCtrl->Collapse(it);
 427         }
 428         RecursivelyExpand(m_TreeCtrl, event.GetItem());
 429
 430         PreviewFrame::Get()->Preview(node);
 431     }
 432 }
 433
 434
 435
 436 void EditorFrame::OnToolbar(wxCommandEvent& event)
 437 {
 438     switch (event.GetId())
 439     {
 440         case ID_PREVIEW :
 441             {
 442             XmlTreeData* dt = (XmlTreeData*)m_TreeCtrl->GetItemData(m_TreeCtrl->GetSelection());;
 443             if (dt != NULL && dt->Node != NULL)
 444                 PreviewFrame::Get()->Preview(dt->Node);
 445             break;
 446             }
 447
 448         case ID_EXIT :
 449             Close(TRUE);
 450             break;
 451
 452         case ID_NEW :
 453             NewFile();
 454             break;
 455
 456         case ID_OPEN :
 457             {
 458             wxString cwd = wxGetCwd(); // workaround for 2.2
 459             wxString name = wxFileSelector(_("Open XML resource"), _T(""), _T(""), _T(""), _("XML resources (*.xrc)|*.xrc"), wxOPEN | wxFILE_MUST_EXIST);
 460             wxSetWorkingDirectory(cwd);
 461             if (!name.IsEmpty())
 462                 LoadFile(name);
 463             break;
 464             }
 465
 466         case ID_SAVE :
 467             if (m_FileName != "") { SaveFile(m_FileName); break;}
 468             // else go to SAVEAS
 469
 470         case ID_SAVEAS :
 471             {
 472             wxString cwd = wxGetCwd(); // workaround for 2.2
 473             wxString name = wxFileSelector(_("Save as"), _T(""), m_FileName, _T(""), _("XML resources (*.xrc)|*.xrc"), wxSAVE | wxOVERWRITE_PROMPT);
 474             wxSetWorkingDirectory(cwd);
 475             if (!name.IsEmpty())
 476                 SaveFile((m_FileName = name));
 477             break;
 478             }
 479
 480         case ID_DELETE_NODE :
 481             {
 482             DeleteSelectedNode();
 483             break;
 484             }
 485     }
 486 }
 487
 488
 489
 490 void EditorFrame::DeleteSelectedNode()
 491 {
 492     XmlTreeData *dt = (XmlTreeData*)
 493             (m_TreeCtrl->GetItemData(m_TreeCtrl->GetParent(m_TreeCtrl->GetSelection())));
 494     wxXmlNode *n = (dt) ? dt->Node : NULL;
 495
 496     m_SelectedNode->GetParent()->RemoveChild(m_SelectedNode);
 497     NotifyChanged(CHANGED_TREE);
 498     SelectNode(n);
 499 }
 500
 501
 502
 503 void EditorFrame::OnNewNode(wxCommandEvent& event)
 504 {
 505     if (event.GetId() >= ID_NEWSYBNODE)
 506     {
 507         XmlTreeData *pardt =
 508             (XmlTreeData*)(m_TreeCtrl->GetItemData(
 509                 m_TreeCtrl->GetParent(m_TreeCtrl->GetSelection())));
 510
 511         if (pardt && pardt->Node && pardt->Node != m_Resource->GetRoot())
 512         {
 513             wxXmlNode *nd = pardt->Node;
 514
 515             wxXmlNode *realnode = NodeHandler::Find(nd)->GetRealNode(nd);
 516             NodeHandler *hnd = NodeHandler::Find(realnode);
 517             wxString name = hnd->GetChildTypes()[event.GetId()-ID_NEWSYBNODE];
 518
 519             wxXmlNode *node = new wxXmlNode(wxXML_ELEMENT_NODE, _T("object"));
 520             node->AddProperty(_T("class"), name);
 521
 522             hnd->InsertNode(realnode, node, m_SelectedNode);
 523             wxTreeItemId root = m_TreeCtrl->GetSelection();
 524             SelectNode(node, &root);
 525         }
 526
 527     }
 528
 529     else if (event.GetId() >= ID_NEWNODE)
 530     {
 531         wxXmlNode *realnode = NodeHandler::Find(m_SelectedNode)->GetRealNode(m_SelectedNode);
 532         NodeHandler *hnd = NodeHandler::Find(realnode);
 533         wxString name = hnd->GetChildTypes()[event.GetId()-ID_NEWNODE];
 534
 535         wxXmlNode *node = new wxXmlNode(wxXML_ELEMENT_NODE, _T("object"));
 536         node->AddProperty(_T("class"), name);
 537
 538         hnd->InsertNode(realnode, node);
 539         wxTreeItemId root = m_TreeCtrl->GetSelection();
 540         SelectNode(node, &root);
 541     }
 542
 543     else
 544     {
 545         wxString name;
 546         switch (event.GetId())
 547         {
 548             case ID_NEWDIALOG : name = _T("wxDialog"); break;
 549             case ID_NEWPANEL : name = _T("wxPanel"); break;
 550             case ID_NEWMENU : name = _T("wxMenu"); break;
 551             case ID_NEWMENUBAR : name = _T("wxMenuBar"); break;
 552             case ID_NEWTOOLBAR : name = _T("wxToolBar"); break;
 553             default : return; // never occurs
 554         }
 555
 556         wxXmlNode *node = new wxXmlNode(wxXML_ELEMENT_NODE, _T("object"));
 557         node->AddProperty(_T("class"), name);
 558         m_Resource->GetRoot()->AddChild(node);
 559         NotifyChanged(CHANGED_TREE);
 560         SelectNode(node);
 561     }
 562 }
 563
 564
 565
 566 void EditorFrame::OnRightClickTree(wxPoint pos)
 567 {
 568     wxMenu *popup = new wxMenu;
 569
 570     if (m_SelectedNode == NULL || m_SelectedNode == m_Resource->GetRoot())
 571     {
 572         popup->Append(ID_NEWDIALOG, _("New wxDialog"));
 573         popup->Append(ID_NEWPANEL, _("New wxPanel"));
 574         popup->Append(ID_NEWMENU, _("New wxMenu"));
 575         popup->Append(ID_NEWMENUBAR, _("New wxMenuBar"));
 576         popup->Append(ID_NEWTOOLBAR, _("New wxToolBar"));
 577     }
 578
 579     else
 580     {
 581         bool has_children;
 582         {
 583             wxArrayString& arr =
 584                 NodeHandler::Find(NodeHandler::Find(m_SelectedNode)->GetRealNode(m_SelectedNode))->
 585                     GetChildTypes();
 586
 587             has_children = !arr.IsEmpty();
 588             if (!arr.IsEmpty())
 589             {
 590                 wxMenu *news = new wxMenu;
 591                 wxMenu *news2 = news;
 592                 for (size_t i = 0; i < arr.GetCount(); i++)
 593                 {
 594                     news2->Append(i + ID_NEWNODE, arr[i]);
 595 #ifdef __WXGTK__ // doesn't support Break
 596                     if (i % 20 == 19)
 597                     {
 598                         wxMenu *m = new wxMenu;
 599                         news2->Append(ID_NEWNODE+arr.GetCount(), _("More..."), m);
 600                         news2 = m;
 601                     }
 602 #else
 603                     if (i % 16 == 15) news2->Break();
 604 #endif
 605                 }
 606                 popup->Append(ID_NEWNODE-1, _("New child"), news);
 607             }
 608         }
 609
 610
 611         XmlTreeData *pardt =
 612             (XmlTreeData*)(m_TreeCtrl->GetItemData(
 613                 m_TreeCtrl->GetParent(m_TreeCtrl->GetSelection())));
 614         if (pardt && pardt->Node && pardt->Node != m_Resource->GetRoot())
 615         {
 616             wxXmlNode *nd = pardt->Node;
 617             wxArrayString& arr =
 618                 NodeHandler::Find(NodeHandler::Find(nd)->GetRealNode(nd))->
 619                     GetChildTypes();
 620
 621             if (!arr.IsEmpty())
 622             {
 623                 wxMenu *news = new wxMenu;
 624                 wxMenu *news2 = news;
 625                 for (size_t i = 0; i < arr.GetCount(); i++)
 626                 {
 627                     news2->Append(i + ID_NEWSYBNODE, arr[i]);
 628 #ifdef __WXGTK__ // doesn't support Break
 629                     if (i % 20 == 19)
 630                     {
 631                         wxMenu *m = new wxMenu;
 632                         news2->Append(ID_NEWSYBNODE+arr.GetCount(), _("More..."), m);
 633                         news2 = m;
 634                     }
 635 #else
 636                     if (i % 16 == 15) news2->Break();
 637 #endif
 638                 }
 639                 popup->Append(ID_NEWSYBNODE-1, _("New sybling"), news);
 640             }
 641         }
 642
 643
 644         popup->AppendSeparator();
 645         popup->Append(ID_CUT, _("Cut"));
 646         popup->Append(ID_COPY, _("Copy"));
 647         popup->Append(ID_PASTE_SYBLING, _("Paste as sybling"));
 648         popup->Append(ID_PASTE_CHILD, _("Paste as child"));
 649         popup->AppendSeparator();
 650         popup->Append(ID_DELETE_NODE, _("Delete"));
 651         popup->Enable(ID_PASTE_SYBLING, m_Clipboard != NULL);
 652         popup->Enable(ID_PASTE_CHILD, has_children && m_Clipboard != NULL);
 653     }
 654
 655     m_TreeCtrl->PopupMenu(popup, pos);
 656     delete popup;
 657 }
 658
 659
 660
 661 void EditorFrame::OnClipboardAction(wxCommandEvent& event)
 662 {
 663     switch (event.GetId())
 664     {
 665         case ID_COPY:
 666         case ID_CUT:
 667             delete m_Clipboard;
 668             m_Clipboard = new wxXmlNode(*m_SelectedNode);
 669             GetMenuBar()->Enable(ID_PASTE_SYBLING, TRUE);
 670             GetMenuBar()->Enable(ID_PASTE_CHILD, TRUE);
 671             if (event.GetId() == ID_CUT) DeleteSelectedNode();
 672             break;
 673
 674         case ID_PASTE_SYBLING:
 675             {
 676             XmlTreeData *pardt =
 677                 (XmlTreeData*)(m_TreeCtrl->GetItemData(
 678                     m_TreeCtrl->GetParent(m_TreeCtrl->GetSelection())));
 679
 680             if (pardt && pardt->Node && pardt->Node != m_Resource->GetRoot())
 681             {
 682                 wxXmlNode *nd = pardt->Node;
 683
 684                 wxXmlNode *realnode = NodeHandler::Find(nd)->GetRealNode(nd);
 685                 NodeHandler *hnd = NodeHandler::Find(realnode);
 686                 wxXmlNode *node = new wxXmlNode(*m_Clipboard);
 687                 hnd->InsertNode(realnode, node, m_SelectedNode);
 688                 wxTreeItemId root = m_TreeCtrl->GetSelection();
 689                 SelectNode(node, &root);
 690             }
 691             }
 692             break;
 693
 694         case ID_PASTE_CHILD:
 695             wxXmlNode *realnode = NodeHandler::Find(m_SelectedNode)->GetRealNode(m_SelectedNode);
 696             NodeHandler *hnd = NodeHandler::Find(realnode);
 697             wxXmlNode *node = new wxXmlNode(*m_Clipboard);
 698             hnd->InsertNode(realnode, node);
 699             wxTreeItemId root = m_TreeCtrl->GetSelection();
 700             SelectNode(node, &root);
 701             break;
 702     }
 703 }
 704
 705
 706
 707
 708 bool EditorFrame::AskToSave()
 709     // asks the user to save current document (if modified)
 710     // returns FALSE if user cancelled the action, TRUE of he choosed
 711     // 'yes' or 'no'
 712 {
 713     if (!m_Modified) return TRUE;
 714
 715     int res = wxMessageBox(_("File modified. Do you want to save changes?"), _("Save changes"),
 716                             wxYES_NO | wxCANCEL | wxCENTRE | wxICON_QUESTION);
 717     if (res == wxYES)
 718         SaveFile(m_FileName);
 719     return (res != wxCANCEL);
 720 }
 721
 722
 723
 724 void EditorFrame::OnCloseWindow(wxCloseEvent&)
 725 {
 726     if (!AskToSave()) return;
 727     Destroy();
 728 }