wxPython/wx/tools/XRCed/xrced.py

   1 # Name:         xrced.py
   2 # Purpose:      XRC editor, main module
   3 # Author:       Roman Rolinsky <rolinsky@mema.ucl.ac.be>
   4 # Created:      20.08.2001
   5 # RCS-ID:       $Id$
   6
   7 """
   8
   9 xrced -- Simple resource editor for XRC format used by wxWindows/wxPython
  10          GUI toolkit.
  11
  12 Usage:
  13
  14     xrced [ -h ] [ -v ] [ XRC-file ]
  15
  16 Options:
  17
  18     -h          output short usage info and exit
  19
  20     -v          output version info and exit
  21 """
  22
  23 from globals import *
  24 import os, sys, getopt, re, traceback, tempfile, shutil, cPickle
  25 from xml.parsers import expat
  26
  27 # Local modules
  28 from tree import *                      # imports xxx which imports params
  29 from panel import *
  30 from tools import *
  31 # Cleanup recursive import sideeffects, otherwise we can't create undoMan
  32 import undo
  33 undo.ParamPage = ParamPage
  34 undoMan = g.undoMan = UndoManager()
  35
  36 # Set application path for loading resources
  37 if __name__ == '__main__':
  38     basePath = os.path.dirname(sys.argv[0])
  39 else:
  40     basePath = os.path.dirname(__file__)
  41
  42 # 1 adds CMD command to Help menu
  43 debug = 0
  44
  45 g.helpText = """\
  46 <HTML><H2>Welcome to XRC<font color="blue">ed</font></H2><H3><font color="green">DON'T PANIC :)</font></H3>
  47 Read this note before clicking on anything!<P>
  48 To start select tree root, then popup menu with your right mouse button,
  49 select "Append Child", and then any command.<P>
  50 Or just press one of the buttons on the tools palette.<P>
  51 Enter XML ID, change properties, create children.<P>
  52 To test your interface select Test command (View menu).<P>
  53 Consult README file for the details.</HTML>
  54 """
  55
  56 defaultIDs = {xxxPanel:'PANEL', xxxDialog:'DIALOG', xxxFrame:'FRAME',
  57               xxxMenuBar:'MENUBAR', xxxMenu:'MENU', xxxToolBar:'TOOLBAR',
  58               xxxWizard:'WIZARD', xxxBitmap:'BITMAP', xxxIcon:'ICON'}
  59
  60 defaultName = 'UNTITLED.xrc'
  61
  62 ################################################################################
  63
  64 # ScrolledMessageDialog - modified from wxPython lib to set fixed-width font
  65 class ScrolledMessageDialog(wxDialog):
  66     def __init__(self, parent, msg, caption, pos = wxDefaultPosition, size = (500,300)):
  67         from wxPython.lib.layoutf import Layoutf
  68         wxDialog.__init__(self, parent, -1, caption, pos, size)
  69         text = wxTextCtrl(self, -1, msg, wxDefaultPosition,
  70                              wxDefaultSize, wxTE_MULTILINE | wxTE_READONLY)
  71         text.SetFont(g.modernFont())
  72         dc = wxWindowDC(text)
  73         # !!! possible bug - GetTextExtent without font returns sysfont dims
  74         w, h = dc.GetFullTextExtent(' ', g.modernFont())[:2]
  75         ok = wxButton(self, wxID_OK, "OK")
  76         text.SetConstraints(Layoutf('t=t5#1;b=t5#2;l=l5#1;r=r5#1', (self,ok)))
  77         text.SetSize((w * 80 + 30, h * 40))
  78         text.ShowPosition(1)
  79         ok.SetConstraints(Layoutf('b=b5#1;x%w50#1;w!80;h!25', (self,)))
  80         self.SetAutoLayout(True)
  81         self.Fit()
  82         self.CenterOnScreen(wxBOTH)
  83
  84 ################################################################################
  85
  86 # Event handler for using during location
  87 class Locator(wxEvtHandler):
  88     def ProcessEvent(self, evt):
  89         print evt
  90
  91 class Frame(wxFrame):
  92     def __init__(self, pos, size):
  93         wxFrame.__init__(self, None, -1, '', pos, size)
  94         global frame
  95         frame = g.frame = self
  96         bar = self.CreateStatusBar(2)
  97         bar.SetStatusWidths([-1, 40])
  98         self.SetIcon(images.getIconIcon())
  99
 100         # Idle flag
 101         self.inIdle = False
 102
 103         # Load our own resources
 104         self.res = wxXmlResource('')
 105         # !!! Blocking of assert failure occurring in older unicode builds
 106         try:
 107             quietlog = wx.LogNull()
 108             self.res.Load(os.path.join(basePath, 'xrced.xrc'))
 109         except wx._core.PyAssertionError:
 110             print 'PyAssertionError was ignored'
 111
 112         # Make menus
 113         menuBar = wxMenuBar()
 114
 115         menu = wxMenu()
 116         menu.Append(wxID_NEW, '&New\tCtrl-N', 'New file')
 117         menu.AppendSeparator()
 118         menu.Append(wxID_OPEN, '&Open...\tCtrl-O', 'Open XRC file')
 119         self.recentMenu = wxMenu()
 120         self.AppendRecent(self.recentMenu)
 121         menu.AppendMenu(-1, 'Open Recent', self.recentMenu, 'Open a recent file')
 122         menu.AppendSeparator()
 123         menu.Append(wxID_SAVE, '&Save\tCtrl-S', 'Save XRC file')
 124         menu.Append(wxID_SAVEAS, 'Save &As...', 'Save XRC file under different name')
 125         menu.AppendSeparator()
 126         menu.Append(wxID_EXIT, '&Quit\tCtrl-Q', 'Exit application')
 127
 128         menuBar.Append(menu, '&File')
 129
 130         menu = wxMenu()
 131         menu.Append(wxID_UNDO, '&Undo\tCtrl-Z', 'Undo')
 132         menu.Append(wxID_REDO, '&Redo\tCtrl-Y', 'Redo')
 133         menu.AppendSeparator()
 134         menu.Append(wxID_CUT, 'Cut\tCtrl-X', 'Cut to the clipboard')
 135         menu.Append(wxID_COPY, '&Copy\tCtrl-C', 'Copy to the clipboard')
 136         menu.Append(wxID_PASTE, '&Paste\tCtrl-V', 'Paste from the clipboard')
 137         self.ID_DELETE = wxNewId()
 138         menu.Append(self.ID_DELETE, '&Delete\tCtrl-D', 'Delete object')
 139         menu.AppendSeparator()
 140         self.ID_LOCATE = wxNewId()
 141         self.ID_TOOL_LOCATE = wxNewId()
 142         self.ID_TOOL_PASTE = wxNewId()
 143         menu.Append(self.ID_LOCATE, '&Locate\tCtrl-L', 'Locate control in test window and select it')
 144         menuBar.Append(menu, '&Edit')
 145
 146         menu = wxMenu()
 147         self.ID_EMBED_PANEL = wxNewId()
 148         menu.Append(self.ID_EMBED_PANEL, '&Embed Panel',
 149                     'Toggle embedding properties panel in the main window', True)
 150         menu.Check(self.ID_EMBED_PANEL, conf.embedPanel)
 151         self.ID_SHOW_TOOLS = wxNewId()
 152         menu.Append(self.ID_SHOW_TOOLS, 'Show &Tools', 'Toggle tools', True)
 153         menu.Check(self.ID_SHOW_TOOLS, conf.showTools)
 154         menu.AppendSeparator()
 155         self.ID_TEST = wxNewId()
 156         menu.Append(self.ID_TEST, '&Test\tF5', 'Show test window')
 157         self.ID_REFRESH = wxNewId()
 158         menu.Append(self.ID_REFRESH, '&Refresh\tCtrl-R', 'Refresh test window')
 159         self.ID_AUTO_REFRESH = wxNewId()
 160         menu.Append(self.ID_AUTO_REFRESH, '&Auto-refresh\tCtrl-A',
 161                     'Toggle auto-refresh mode', True)
 162         menu.Check(self.ID_AUTO_REFRESH, conf.autoRefresh)
 163         self.ID_TEST_HIDE = wxNewId()
 164         menu.Append(self.ID_TEST_HIDE, '&Hide\tCtrl-H', 'Close test window')
 165         menuBar.Append(menu, '&View')
 166
 167         menu = wxMenu()
 168         menu.Append(wxID_ABOUT, '&About...', 'About XCRed')
 169         self.ID_README = wxNewId()
 170         menu.Append(self.ID_README, '&Readme...', 'View the README file')
 171         if debug:
 172             self.ID_DEBUG_CMD = wxNewId()
 173             menu.Append(self.ID_DEBUG_CMD, 'CMD', 'Python command line')
 174             EVT_MENU(self, self.ID_DEBUG_CMD, self.OnDebugCMD)
 175         menuBar.Append(menu, '&Help')
 176
 177         self.menuBar = menuBar
 178         self.SetMenuBar(menuBar)
 179
 180         # Create toolbar
 181         tb = self.CreateToolBar(wxTB_HORIZONTAL | wxNO_BORDER | wxTB_FLAT)
 182         tb.SetToolBitmapSize((24,24))
 183         new_bmp  = wx.ArtProvider.GetBitmap(wx.ART_NORMAL_FILE, wx.ART_TOOLBAR)
 184         open_bmp = wx.ArtProvider.GetBitmap(wx.ART_FILE_OPEN, wx.ART_TOOLBAR)
 185         save_bmp = wx.ArtProvider.GetBitmap(wx.ART_FILE_SAVE, wx.ART_TOOLBAR)
 186         undo_bmp = wx.ArtProvider.GetBitmap(wx.ART_UNDO, wx.ART_TOOLBAR)
 187         redo_bmp = wx.ArtProvider.GetBitmap(wx.ART_REDO, wx.ART_TOOLBAR)
 188         cut_bmp  = wx.ArtProvider.GetBitmap(wx.ART_CUT, wx.ART_TOOLBAR)
 189         copy_bmp = wx.ArtProvider.GetBitmap(wx.ART_COPY, wx.ART_TOOLBAR)
 190         paste_bmp= wx.ArtProvider.GetBitmap(wx.ART_PASTE, wx.ART_TOOLBAR)
 191
 192         tb.AddSimpleTool(wxID_NEW, new_bmp, 'New', 'New file')
 193         tb.AddSimpleTool(wxID_OPEN, open_bmp, 'Open', 'Open file')
 194         tb.AddSimpleTool(wxID_SAVE, save_bmp, 'Save', 'Save file')
 195         tb.AddControl(wxStaticLine(tb, -1, size=(-1,23), style=wxLI_VERTICAL))
 196         tb.AddSimpleTool(wxID_UNDO, undo_bmp, 'Undo', 'Undo')
 197         tb.AddSimpleTool(wxID_REDO, redo_bmp, 'Redo', 'Redo')
 198         tb.AddControl(wxStaticLine(tb, -1, size=(-1,23), style=wxLI_VERTICAL))
 199         tb.AddSimpleTool(wxID_CUT, cut_bmp, 'Cut', 'Cut')
 200         tb.AddSimpleTool(wxID_COPY, copy_bmp, 'Copy', 'Copy')
 201         tb.AddSimpleTool(self.ID_TOOL_PASTE, paste_bmp, 'Paste', 'Paste')
 202         tb.AddControl(wxStaticLine(tb, -1, size=(-1,23), style=wxLI_VERTICAL))
 203         tb.AddSimpleTool(self.ID_TOOL_LOCATE,
 204                         images.getLocateBitmap(), #images.getLocateArmedBitmap(),
 205                         'Locate', 'Locate control in test window and select it', True)
 206         tb.AddControl(wxStaticLine(tb, -1, size=(-1,23), style=wxLI_VERTICAL))
 207         tb.AddSimpleTool(self.ID_TEST, images.getTestBitmap(), 'Test', 'Test window')
 208         tb.AddSimpleTool(self.ID_REFRESH, images.getRefreshBitmap(),
 209                          'Refresh', 'Refresh view')
 210         tb.AddSimpleTool(self.ID_AUTO_REFRESH, images.getAutoRefreshBitmap(),
 211                          'Auto-refresh', 'Toggle auto-refresh mode', True)
 212 #        if wxPlatform == '__WXGTK__':
 213 #            tb.AddSeparator()   # otherwise auto-refresh sticks in status line
 214         tb.ToggleTool(self.ID_AUTO_REFRESH, conf.autoRefresh)
 215         tb.Realize()
 216
 217         self.tb = tb
 218         self.minWidth = tb.GetSize()[0] # minimal width is the size of toolbar
 219
 220         # File
 221         EVT_MENU(self, wxID_NEW, self.OnNew)
 222         EVT_MENU(self, wxID_OPEN, self.OnOpen)
 223         EVT_MENU(self, wxID_SAVE, self.OnSaveOrSaveAs)
 224         EVT_MENU(self, wxID_SAVEAS, self.OnSaveOrSaveAs)
 225         EVT_MENU(self, wxID_EXIT, self.OnExit)
 226         # Edit
 227         EVT_MENU(self, wxID_UNDO, self.OnUndo)
 228         EVT_MENU(self, wxID_REDO, self.OnRedo)
 229         EVT_MENU(self, wxID_CUT, self.OnCutDelete)
 230         EVT_MENU(self, wxID_COPY, self.OnCopy)
 231         EVT_MENU(self, wxID_PASTE, self.OnPaste)
 232         EVT_MENU(self, self.ID_TOOL_PASTE, self.OnPaste)
 233         EVT_MENU(self, self.ID_DELETE, self.OnCutDelete)
 234         EVT_MENU(self, self.ID_LOCATE, self.OnLocate)
 235         EVT_MENU(self, self.ID_TOOL_LOCATE, self.OnLocate)
 236         # View
 237         EVT_MENU(self, self.ID_EMBED_PANEL, self.OnEmbedPanel)
 238         EVT_MENU(self, self.ID_SHOW_TOOLS, self.OnShowTools)
 239         EVT_MENU(self, self.ID_TEST, self.OnTest)
 240         EVT_MENU(self, self.ID_REFRESH, self.OnRefresh)
 241         EVT_MENU(self, self.ID_AUTO_REFRESH, self.OnAutoRefresh)
 242         EVT_MENU(self, self.ID_TEST_HIDE, self.OnTestHide)
 243         # Help
 244         EVT_MENU(self, wxID_ABOUT, self.OnAbout)
 245         EVT_MENU(self, self.ID_README, self.OnReadme)
 246
 247         # Update events
 248         EVT_UPDATE_UI(self, wxID_SAVE, self.OnUpdateUI)
 249         EVT_UPDATE_UI(self, wxID_CUT, self.OnUpdateUI)
 250         EVT_UPDATE_UI(self, wxID_COPY, self.OnUpdateUI)
 251         EVT_UPDATE_UI(self, wxID_PASTE, self.OnUpdateUI)
 252         EVT_UPDATE_UI(self, self.ID_LOCATE, self.OnUpdateUI)
 253         EVT_UPDATE_UI(self, self.ID_TOOL_LOCATE, self.OnUpdateUI)
 254         EVT_UPDATE_UI(self, self.ID_TOOL_PASTE, self.OnUpdateUI)
 255         EVT_UPDATE_UI(self, wxID_UNDO, self.OnUpdateUI)
 256         EVT_UPDATE_UI(self, wxID_REDO, self.OnUpdateUI)
 257         EVT_UPDATE_UI(self, self.ID_DELETE, self.OnUpdateUI)
 258         EVT_UPDATE_UI(self, self.ID_TEST, self.OnUpdateUI)
 259         EVT_UPDATE_UI(self, self.ID_REFRESH, self.OnUpdateUI)
 260
 261         # Build interface
 262         sizer = wxBoxSizer(wxVERTICAL)
 263         sizer.Add(wxStaticLine(self, -1), 0, wxEXPAND)
 264         # Horizontal sizer for toolbar and splitter
 265         self.toolsSizer = sizer1 = wxBoxSizer()
 266         splitter = wxSplitterWindow(self, -1, style=wxSP_3DSASH)
 267         self.splitter = splitter
 268         splitter.SetMinimumPaneSize(100)
 269         # Create tree
 270         global tree
 271         g.tree = tree = XML_Tree(splitter, -1)
 272
 273         # Init pull-down menu data
 274         global pullDownMenu
 275         g.pullDownMenu = pullDownMenu = PullDownMenu(self)
 276
 277         # Vertical toolbar for GUI buttons
 278         g.tools = tools = Tools(self)
 279         tools.Show(conf.showTools)
 280         if conf.showTools: sizer1.Add(tools, 0, wxEXPAND)
 281
 282         tree.RegisterKeyEvents()
 283
 284         # !!! frame styles are broken
 285         # Miniframe for not embedded mode
 286         miniFrame = wxFrame(self, -1, 'Properties & Style',
 287                             (conf.panelX, conf.panelY),
 288                             (conf.panelWidth, conf.panelHeight))
 289         self.miniFrame = miniFrame
 290         sizer2 = wxBoxSizer()
 291         miniFrame.SetAutoLayout(True)
 292         miniFrame.SetSizer(sizer2)
 293         EVT_CLOSE(self.miniFrame, self.OnCloseMiniFrame)
 294         # Create panel for parameters
 295         global panel
 296         if conf.embedPanel:
 297             panel = Panel(splitter)
 298             # Set plitter windows
 299             splitter.SplitVertically(tree, panel, conf.sashPos)
 300         else:
 301             panel = Panel(miniFrame)
 302             sizer2.Add(panel, 1, wxEXPAND)
 303             miniFrame.Show(True)
 304             splitter.Initialize(tree)
 305         sizer1.Add(splitter, 1, wxEXPAND)
 306         sizer.Add(sizer1, 1, wxEXPAND)
 307         self.SetAutoLayout(True)
 308         self.SetSizer(sizer)
 309
 310         # Initialize
 311         self.Clear()
 312
 313         # Other events
 314         EVT_IDLE(self, self.OnIdle)
 315         EVT_CLOSE(self, self.OnCloseWindow)
 316         EVT_KEY_DOWN(self, tools.OnKeyDown)
 317         EVT_KEY_UP(self, tools.OnKeyUp)
 318         EVT_ICONIZE(self, self.OnIconize)
 319
 320     def AppendRecent(self, menu):
 321         # add recently used files to the menu
 322         for id,name in conf.recentfiles.iteritems():
 323             menu.Append(id,name)
 324             EVT_MENU(self,id,self.OnRecentFile)
 325         return
 326
 327     def OnRecentFile(self,evt):
 328         # open recently used file
 329         if not self.AskSave(): return
 330         wxBeginBusyCursor()
 331         try:
 332             path=conf.recentfiles[evt.GetId()]
 333             if self.Open(path):
 334                 self.SetStatusText('Data loaded')
 335             else:
 336                 self.SetStatusText('Failed')
 337         except KeyError:
 338             self.SetStatusText('No such file')
 339         wxEndBusyCursor()
 340
 341     def OnNew(self, evt):
 342         if not self.AskSave(): return
 343         self.Clear()
 344
 345     def OnOpen(self, evt):
 346         if not self.AskSave(): return
 347         dlg = wxFileDialog(self, 'Open', os.path.dirname(self.dataFile),
 348                            '', '*.xrc', wxOPEN | wxCHANGE_DIR)
 349         if dlg.ShowModal() == wxID_OK:
 350             path = dlg.GetPath()
 351             self.SetStatusText('Loading...')
 352             wxBeginBusyCursor()
 353             try:
 354                 if self.Open(path):
 355                     self.SetStatusText('Data loaded')
 356                 else:
 357                     self.SetStatusText('Failed')
 358                 self.SaveRecent(path)
 359             finally:
 360                 wxEndBusyCursor()
 361         dlg.Destroy()
 362
 363     def OnSaveOrSaveAs(self, evt):
 364         if evt.GetId() == wxID_SAVEAS or not self.dataFile:
 365             if self.dataFile: name = ''
 366             else: name = defaultName
 367             dirname = os.path.abspath(os.path.dirname(self.dataFile))
 368             dlg = wxFileDialog(self, 'Save As', dirname, name, '*.xrc',
 369                                wxSAVE | wxOVERWRITE_PROMPT | wxCHANGE_DIR)
 370             if dlg.ShowModal() == wxID_OK:
 371                 path = dlg.GetPath()
 372                 dlg.Destroy()
 373             else:
 374                 dlg.Destroy()
 375                 return
 376         else:
 377             path = self.dataFile
 378         self.SetStatusText('Saving...')
 379         wxBeginBusyCursor()
 380         try:
 381             try:
 382                 tmpFile,tmpName = tempfile.mkstemp(prefix='xrced-')
 383                 os.close(tmpFile)
 384                 self.Save(tmpName) # save temporary file first
 385                 shutil.move(tmpName, path)
 386                 self.dataFile = path
 387                 self.SetStatusText('Data saved')
 388                 self.SaveRecent(path)
 389             except IOError:
 390                 self.SetStatusText('Failed')
 391         finally:
 392             wxEndBusyCursor()
 393
 394     def SaveRecent(self,path):
 395         # append to recently used files
 396         if path not in conf.recentfiles.values():
 397             newid = wxNewId()
 398             self.recentMenu.Append(newid, path)
 399             EVT_MENU(self, newid, self.OnRecentFile)
 400             conf.recentfiles[newid] = path
 401
 402     def OnExit(self, evt):
 403         self.Close()
 404
 405     def OnUndo(self, evt):
 406         # Extra check to not mess with idle updating
 407         if undoMan.CanUndo():
 408             undoMan.Undo()
 409
 410     def OnRedo(self, evt):
 411         if undoMan.CanRedo():
 412             undoMan.Redo()
 413
 414     def OnCopy(self, evt):
 415         selected = tree.selection
 416         if not selected: return         # key pressed event
 417         xxx = tree.GetPyData(selected)
 418         if wx.TheClipboard.Open():
 419             data = wx.CustomDataObject('XRCED')
 420             # Set encoding in header
 421             # (False,True)
 422             s = xxx.element.toxml(encoding=expat.native_encoding)
 423             data.SetData(cPickle.dumps(s))
 424             wx.TheClipboard.SetData(data)
 425             wx.TheClipboard.Close()
 426             self.SetStatusText('Copied')
 427         else:
 428             wx.MessageBox("Unable to open the clipboard", "Error")
 429
 430     def OnPaste(self, evt):
 431         selected = tree.selection
 432         if not selected: return         # key pressed event
 433         # For pasting with Ctrl pressed
 434         appendChild = True
 435         if evt.GetId() == pullDownMenu.ID_PASTE_SIBLING: appendChild = False
 436         elif evt.GetId() == self.ID_TOOL_PASTE:
 437             if g.tree.ctrl: appendChild = False
 438             else: appendChild = not tree.NeedInsert(selected)
 439         else: appendChild = not tree.NeedInsert(selected)
 440         xxx = tree.GetPyData(selected)
 441         if not appendChild:
 442             # If has next item, insert, else append to parent
 443             nextItem = tree.GetNextSibling(selected)
 444             parentLeaf = tree.GetItemParent(selected)
 445         # Expanded container (must have children)
 446         elif tree.IsExpanded(selected) and tree.GetChildrenCount(selected, False):
 447             # Insert as first child
 448             nextItem = tree.GetFirstChild(selected)[0]
 449             parentLeaf = selected
 450         else:
 451             # No children or unexpanded item - appendChild stays True
 452             nextItem = wxTreeItemId()   # no next item
 453             parentLeaf = selected
 454         parent = tree.GetPyData(parentLeaf).treeObject()
 455
 456         # Create a copy of clipboard pickled element
 457         success = False
 458         if wx.TheClipboard.Open():
 459             data = wx.CustomDataObject('XRCED')
 460             if wx.TheClipboard.IsSupported(data.GetFormat()):
 461                 success = wx.TheClipboard.GetData(data)
 462             wx.TheClipboard.Close()
 463
 464         if not success:
 465             wx.MessageBox(
 466                 "There is no data in the clipboard in the required format",
 467                 "Error")
 468             return
 469
 470         xml = cPickle.loads(data.GetData()) # xml representation of element
 471         elem = minidom.parseString(xml).childNodes[0]
 472         # Tempopary xxx object to test things
 473         xxx = MakeXXXFromDOM(parent, elem)
 474         # Check compatibility
 475         error = False
 476         # Top-level
 477         x = xxx.treeObject()
 478         if x.__class__ in [xxxDialog, xxxFrame, xxxWizard]:
 479             # Top-level classes
 480             if parent.__class__ != xxxMainNode: error = True
 481         elif x.__class__ == xxxMenuBar:
 482             # Menubar can be put in frame or dialog
 483             if parent.__class__ not in [xxxMainNode, xxxFrame, xxxDialog]: error = True
 484         elif x.__class__ == xxxToolBar:
 485             # Toolbar can be top-level of child of panel or frame
 486             if parent.__class__ not in [xxxMainNode, xxxPanel, xxxFrame] and \
 487                not parent.isSizer: error = True
 488         elif x.__class__ == xxxPanel and parent.__class__ == xxxMainNode:
 489             pass
 490         elif x.__class__ == xxxSpacer:
 491             if not parent.isSizer: error = True
 492         elif x.__class__ == xxxSeparator:
 493             if not parent.__class__ in [xxxMenu, xxxToolBar]: error = True
 494         elif x.__class__ == xxxTool:
 495             if parent.__class__ != xxxToolBar: error = True
 496         elif x.__class__ == xxxMenu:
 497             if not parent.__class__ in [xxxMainNode, xxxMenuBar, xxxMenu]: error = True
 498         elif x.__class__ == xxxMenuItem:
 499             if not parent.__class__ in [xxxMenuBar, xxxMenu]: error = True
 500         elif x.isSizer and parent.__class__ in [xxxNotebook, xxxChoicebook, xxxListbook]:
 501             error = True
 502         else:                           # normal controls can be almost anywhere
 503             if parent.__class__ == xxxMainNode or \
 504                parent.__class__ in [xxxMenuBar, xxxMenu]: error = True
 505         if error:
 506             if parent.__class__ == xxxMainNode: parentClass = 'root'
 507             else: parentClass = parent.className
 508             wxLogError('Incompatible parent/child: parent is %s, child is %s!' %
 509                        (parentClass, x.className))
 510             return
 511
 512         # Check parent and child relationships.
 513         # If parent is sizer or notebook, child is of wrong class or
 514         # parent is normal window, child is child container then detach child.
 515         isChildContainer = isinstance(xxx, xxxChildContainer)
 516         parentIsBook = parent.__class__ in [xxxNotebook, xxxChoicebook, xxxListbook]
 517         if isChildContainer and \
 518            ((parent.isSizer and not isinstance(xxx, xxxSizerItem)) or \
 519             (parentIsBook and not isinstance(xxx, xxxPage)) or \
 520            not (parent.isSizer or parentIsBook)):
 521             elem.removeChild(xxx.child.element) # detach child
 522             elem.unlink()           # delete child container
 523             elem = xxx.child.element # replace
 524             # This may help garbage collection
 525             xxx.child.parent = None
 526             isChildContainer = False
 527         # Parent is sizer or notebook, child is not child container
 528         if parent.isSizer and not isChildContainer and not isinstance(xxx, xxxSpacer):
 529             # Create sizer item element
 530             sizerItemElem = MakeEmptyDOM(parent.itemTag)
 531             sizerItemElem.appendChild(elem)
 532             elem = sizerItemElem
 533         elif isinstance(parent, xxxNotebook) and not isChildContainer:
 534             pageElem = MakeEmptyDOM('notebookpage')
 535             pageElem.appendChild(elem)
 536             elem = pageElem
 537         elif isinstance(parent, xxxChoicebook) and not isChildContainer:
 538             pageElem = MakeEmptyDOM('choicebookpage')
 539             pageElem.appendChild(elem)
 540             elem = pageElem
 541         elif isinstance(parent, xxxListbook) and not isChildContainer:
 542             pageElem = MakeEmptyDOM('listbookpage')
 543             pageElem.appendChild(elem)
 544             elem = pageElem
 545         # Insert new node, register undo
 546         newItem = tree.InsertNode(parentLeaf, parent, elem, nextItem)
 547         undoMan.RegisterUndo(UndoPasteCreate(parentLeaf, parent, newItem, selected))
 548         # Scroll to show new item (!!! redundant?)
 549         tree.EnsureVisible(newItem)
 550         tree.SelectItem(newItem)
 551         if not tree.IsVisible(newItem):
 552             tree.ScrollTo(newItem)
 553             tree.Refresh()
 554         # Update view?
 555         if g.testWin and tree.IsHighlatable(newItem):
 556             if conf.autoRefresh:
 557                 tree.needUpdate = True
 558                 tree.pendingHighLight = newItem
 559             else:
 560                 tree.pendingHighLight = None
 561         self.SetModified()
 562         self.SetStatusText('Pasted')
 563
 564
 565     def OnCutDelete(self, evt):
 566         selected = tree.selection
 567         if not selected: return         # key pressed event
 568         # Undo info
 569         if evt.GetId() == wxID_CUT:
 570             self.lastOp = 'CUT'
 571             status = 'Removed to clipboard'
 572         else:
 573             self.lastOp = 'DELETE'
 574             status = 'Deleted'
 575         # Delete testWin?
 576         if g.testWin:
 577             # If deleting top-level item, delete testWin
 578             if selected == g.testWin.item:
 579                 g.testWin.Destroy()
 580                 g.testWin = None
 581             else:
 582                 # Remove highlight, update testWin
 583                 if g.testWin.highLight:
 584                     g.testWin.highLight.Remove()
 585                 tree.needUpdate = True
 586         # Prepare undo data
 587         panel.Apply()
 588         index = tree.ItemFullIndex(selected)
 589         parent = tree.GetPyData(tree.GetItemParent(selected)).treeObject()
 590         elem = tree.RemoveLeaf(selected)
 591         undoMan.RegisterUndo(UndoCutDelete(index, parent, elem))
 592         if evt.GetId() == wxID_CUT:
 593             if wx.TheClipboard.Open():
 594                 data = wx.CustomDataObject('XRCED')
 595                 # (False, True)
 596                 s = elem.toxml(encoding=expat.native_encoding)
 597                 data.SetData(cPickle.dumps(s))
 598                 wx.TheClipboard.SetData(data)
 599                 wx.TheClipboard.Close()
 600             else:
 601                 wx.MessageBox("Unable to open the clipboard", "Error")
 602         tree.pendingHighLight = None
 603         tree.UnselectAll()
 604         tree.selection = None
 605         # Update tools
 606         g.tools.UpdateUI()
 607         panel.Clear()
 608         self.SetModified()
 609         self.SetStatusText(status)
 610
 611     def OnSubclass(self, evt):
 612         selected = tree.selection
 613         xxx = tree.GetPyData(selected).treeObject()
 614         elem = xxx.element
 615         subclass = xxx.subclass
 616         dlg = wxTextEntryDialog(self, 'Subclass:', defaultValue=subclass)
 617         if dlg.ShowModal() == wxID_OK:
 618             subclass = dlg.GetValue()
 619             if subclass:
 620                 elem.setAttribute('subclass', subclass)
 621             elif elem.hasAttribute('subclass'):
 622                 elem.removeAttribute('subclass')
 623             self.SetModified()
 624             xxx.subclass = elem.getAttribute('subclass')
 625             tree.SetItemText(selected, xxx.treeName())
 626             panel.pages[0].box.SetLabel(xxx.panelName())
 627         dlg.Destroy()
 628
 629     def OnEmbedPanel(self, evt):
 630         conf.embedPanel = evt.IsChecked()
 631         if conf.embedPanel:
 632             # Remember last dimentions
 633             conf.panelX, conf.panelY = self.miniFrame.GetPosition()
 634             conf.panelWidth, conf.panelHeight = self.miniFrame.GetSize()
 635             size = self.GetSize()
 636             pos = self.GetPosition()
 637             sizePanel = panel.GetSize()
 638             panel.Reparent(self.splitter)
 639             self.miniFrame.GetSizer().Remove(panel)
 640             # Widen
 641             self.SetDimensions(pos.x, pos.y, size.width + sizePanel.width, size.height)
 642             self.splitter.SplitVertically(tree, panel, conf.sashPos)
 643             self.miniFrame.Show(False)
 644         else:
 645             conf.sashPos = self.splitter.GetSashPosition()
 646             pos = self.GetPosition()
 647             size = self.GetSize()
 648             sizePanel = panel.GetSize()
 649             self.splitter.Unsplit(panel)
 650             sizer = self.miniFrame.GetSizer()
 651             panel.Reparent(self.miniFrame)
 652             panel.Show(True)
 653             sizer.Add(panel, 1, wxEXPAND)
 654             self.miniFrame.Show(True)
 655             self.miniFrame.SetDimensions(conf.panelX, conf.panelY,
 656                                          conf.panelWidth, conf.panelHeight)
 657             # Reduce width
 658             self.SetDimensions(pos.x, pos.y,
 659                                max(size.width - sizePanel.width, self.minWidth), size.height)
 660
 661     def OnShowTools(self, evt):
 662         conf.showTools = evt.IsChecked()
 663         g.tools.Show(conf.showTools)
 664         if conf.showTools:
 665             self.toolsSizer.Prepend(g.tools, 0, wxEXPAND)
 666         else:
 667             self.toolsSizer.Remove(g.tools)
 668         self.toolsSizer.Layout()
 669
 670     def OnTest(self, evt):
 671         if not tree.selection: return   # key pressed event
 672         tree.ShowTestWindow(tree.selection)
 673
 674     def OnTestHide(self, evt):
 675         tree.CloseTestWindow()
 676
 677     # Find object by relative position
 678     def FindObject(self, item, obj):
 679         # We simply perform depth-first traversal, sinse it's too much
 680         # hassle to deal with all sizer/window combinations
 681         w = tree.FindNodeObject(item)
 682         if w == obj or isinstance(w, wxGBSizerItem) and w.GetWindow() == obj:
 683             return item
 684         if tree.ItemHasChildren(item):
 685             child = tree.GetFirstChild(item)[0]
 686             while child:
 687                 found = self.FindObject(child, obj)
 688                 if found: return found
 689                 child = tree.GetNextSibling(child)
 690         return None
 691
 692     def OnTestWinLeftDown(self, evt):
 693         pos = evt.GetPosition()
 694         self.SetHandler(g.testWin)
 695         g.testWin.Disconnect(wxID_ANY, wxID_ANY, wxEVT_LEFT_DOWN)
 696         item = self.FindObject(g.testWin.item, evt.GetEventObject())
 697         if item:
 698             tree.EnsureVisible(item)
 699             tree.SelectItem(item)
 700         self.tb.ToggleTool(self.ID_TOOL_LOCATE, False)
 701         if item:
 702             self.SetStatusText('Selected %s' % tree.GetItemText(item))
 703         else:
 704             self.SetStatusText('Locate failed!')
 705
 706     def SetHandler(self, w, h=None):
 707         if h:
 708             w.SetEventHandler(h)
 709             w.SetCursor(wxCROSS_CURSOR)
 710         else:
 711             w.SetEventHandler(w)
 712             w.SetCursor(wxNullCursor)
 713         for ch in w.GetChildren():
 714             self.SetHandler(ch, h)
 715
 716     def OnLocate(self, evt):
 717         if g.testWin:
 718             if evt.GetId() == self.ID_LOCATE or \
 719                evt.GetId() == self.ID_TOOL_LOCATE and evt.IsChecked():
 720                 self.SetHandler(g.testWin, g.testWin)
 721                 g.testWin.Connect(wxID_ANY, wxID_ANY, wxEVT_LEFT_DOWN, self.OnTestWinLeftDown)
 722                 if evt.GetId() == self.ID_LOCATE:
 723                     self.tb.ToggleTool(self.ID_TOOL_LOCATE, True)
 724             elif evt.GetId() == self.ID_TOOL_LOCATE and not evt.IsChecked():
 725                 self.SetHandler(g.testWin, None)
 726                 g.testWin.Disconnect(wxID_ANY, wxID_ANY, wxEVT_LEFT_DOWN)
 727             self.SetStatusText('Click somewhere in your test window now')
 728
 729     def OnRefresh(self, evt):
 730         # If modified, apply first
 731         selection = tree.selection
 732         if selection:
 733             xxx = tree.GetPyData(selection)
 734             if xxx and panel.IsModified():
 735                 tree.Apply(xxx, selection)
 736         if g.testWin:
 737             # (re)create
 738             tree.CreateTestWin(g.testWin.item)
 739         panel.modified = False
 740         tree.needUpdate = False
 741
 742     def OnAutoRefresh(self, evt):
 743         conf.autoRefresh = evt.IsChecked()
 744         self.menuBar.Check(self.ID_AUTO_REFRESH, conf.autoRefresh)
 745         self.tb.ToggleTool(self.ID_AUTO_REFRESH, conf.autoRefresh)
 746
 747     def OnAbout(self, evt):
 748         str = '''\
 749 XRCed version %s
 750
 751 (c) Roman Rolinsky <rollrom@users.sourceforge.net>
 752 Homepage: http://xrced.sourceforge.net\
 753 ''' % version
 754         dlg = wxMessageDialog(self, str, 'About XRCed', wxOK | wxCENTRE)
 755         dlg.ShowModal()
 756         dlg.Destroy()
 757
 758     def OnReadme(self, evt):
 759         text = open(os.path.join(basePath, 'README.txt'), 'r').read()
 760         dlg = ScrolledMessageDialog(self, text, "XRCed README")
 761         dlg.ShowModal()
 762         dlg.Destroy()
 763
 764     # Simple emulation of python command line
 765     def OnDebugCMD(self, evt):
 766         while 1:
 767             try:
 768                 exec raw_input('C:\> ')
 769             except EOFError:
 770                 print '^D'
 771                 break
 772             except:
 773                 (etype, value, tb) =sys.exc_info()
 774                 tblist =traceback.extract_tb(tb)[1:]
 775                 msg =' '.join(traceback.format_exception_only(etype, value)
 776                         +traceback.format_list(tblist))
 777                 print msg
 778
 779     def OnCreate(self, evt):
 780         selected = tree.selection
 781         if tree.ctrl: appendChild = False
 782         else: appendChild = not tree.NeedInsert(selected)
 783         xxx = tree.GetPyData(selected)
 784         if not appendChild:
 785             # If insert before
 786             if tree.shift:
 787                 # If has previous item, insert after it, else append to parent
 788                 nextItem = selected
 789                 parentLeaf = tree.GetItemParent(selected)
 790             else:
 791                 # If has next item, insert, else append to parent
 792                 nextItem = tree.GetNextSibling(selected)
 793                 parentLeaf = tree.GetItemParent(selected)
 794         # Expanded container (must have children)
 795         elif tree.shift and tree.IsExpanded(selected) \
 796            and tree.GetChildrenCount(selected, False):
 797             nextItem = tree.GetFirstChild(selected)[0]
 798             parentLeaf = selected
 799         else:
 800             nextItem = wxTreeItemId()
 801             parentLeaf = selected
 802         parent = tree.GetPyData(parentLeaf)
 803         if parent.hasChild: parent = parent.child
 804
 805         # Create object_ref?
 806         if evt.GetId() == ID_NEW.REF:
 807             ref = wxGetTextFromUser('Create reference to:', 'Create reference')
 808             if not ref: return
 809             xxx = MakeEmptyRefXXX(parent, ref)
 810         else:
 811             # Create empty element
 812             className = pullDownMenu.createMap[evt.GetId()]
 813             xxx = MakeEmptyXXX(parent, className)
 814
 815         # Set default name for top-level windows
 816         if parent.__class__ == xxxMainNode:
 817             cl = xxx.treeObject().__class__
 818             frame.maxIDs[cl] += 1
 819             xxx.setTreeName('%s%d' % (defaultIDs[cl], frame.maxIDs[cl]))
 820         # And for some other standard controls
 821         elif parent.__class__ == xxxStdDialogButtonSizer:
 822             xxx.setTreeName(pullDownMenu.stdButtonIDs[evt.GetId()][0])
 823             # We can even set label
 824             obj = xxx.treeObject()
 825             elem = g.tree.dom.createElement('label')
 826             elem.appendChild(g.tree.dom.createTextNode(pullDownMenu.stdButtonIDs[evt.GetId()][1]))
 827             obj.params['label'] = xxxParam(elem)
 828             xxx.treeObject().element.appendChild(elem)
 829
 830         # Insert new node, register undo
 831         elem = xxx.element
 832         newItem = tree.InsertNode(parentLeaf, parent, elem, nextItem)
 833         undoMan.RegisterUndo(UndoPasteCreate(parentLeaf, parent, newItem, selected))
 834         tree.EnsureVisible(newItem)
 835         tree.SelectItem(newItem)
 836         if not tree.IsVisible(newItem):
 837             tree.ScrollTo(newItem)
 838             tree.Refresh()
 839         # Update view?
 840         if g.testWin and tree.IsHighlatable(newItem):
 841             if conf.autoRefresh:
 842                 tree.needUpdate = True
 843                 tree.pendingHighLight = newItem
 844             else:
 845                 tree.pendingHighLight = None
 846         tree.SetFocus()
 847         self.SetModified()
 848
 849     # Replace one object with another
 850     def OnReplace(self, evt):
 851         selected = tree.selection
 852         xxx = tree.GetPyData(selected).treeObject()
 853         elem = xxx.element
 854         parent = elem.parentNode
 855         undoMan.RegisterUndo(UndoReplace(selected))
 856         # New class
 857         className = pullDownMenu.createMap[evt.GetId() - 1000]
 858         # Create temporary empty node (with default values)
 859         dummy = MakeEmptyDOM(className)
 860         if className == 'spacer' and xxx.className != 'spacer':
 861             klass = xxxSpacer
 862         elif xxx.className == 'spacer' and className != 'spacer':
 863             klass = xxxSizerItem
 864         else:
 865             klass = xxxDict[className]
 866         # Remove non-compatible children
 867         if tree.ItemHasChildren(selected) and not klass.hasChildren:
 868             tree.DeleteChildren(selected)
 869         nodes = elem.childNodes[:]
 870         tags = []
 871         for node in nodes:
 872             if node.nodeType != minidom.Node.ELEMENT_NODE: continue
 873             remove = False
 874             tag = node.tagName
 875             if tag == 'object':
 876                 if not klass.hasChildren:  remove = True
 877             elif tag not in klass.allParams and \
 878                      (not klass.hasStyle or tag not in klass.styles):
 879                 remove = True
 880             else:
 881                 tags.append(tag)
 882             if remove:
 883                 elem.removeChild(node)
 884                 node.unlink()
 885
 886         # Remove sizeritem child if spacer
 887         if className == 'spacer' and xxx.className != 'spacer':
 888             sizeritem = elem.parentNode
 889             assert sizeritem.getAttribute('class') == 'sizeritem'
 890             sizeritem.removeChild(elem)
 891             elem.unlink()
 892             elem = sizeritem
 893             tree.GetPyData(selected).hasChild = false
 894         elif xxx.className == 'spacer' and className != 'spacer':
 895             # Create sizeritem element
 896             assert xxx.parent.isSizer
 897             elem.setAttribute('class', 'sizeritem')
 898             node = MakeEmptyDOM(className)
 899             elem.appendChild(node)
 900             # Replace to point to new object
 901             xxx = xxxSizerItem(xxx.parent, elem)
 902             elem = node
 903             tree.SetPyData(selected, xxx)
 904             xxx = xxx.child
 905         else:
 906             # Copy parameters present in dummy but not in elem
 907             for node in dummy.childNodes:
 908                 if node.tagName not in tags:  elem.appendChild(node.cloneNode(True))
 909         dummy.unlink()
 910
 911         # Change class name
 912         elem.setAttribute('class', className)
 913         if elem.hasAttribute('subclass'):
 914             elem.removeAttribute('subclass') # clear subclassing
 915         # Re-create xxx element
 916         xxx = MakeXXXFromDOM(xxx.parent, elem)
 917         # Update parent in child objects
 918         if tree.ItemHasChildren(selected):
 919             i, cookie = tree.GetFirstChild(selected)
 920             while i.IsOk():
 921                 x = tree.GetPyData(i)
 922                 x.parent = xxx
 923                 if x.hasChild: x.child.parent = xxx
 924                 i, cookie = tree.GetNextChild(selected, cookie)
 925
 926         # Update tree
 927         if tree.GetPyData(selected).hasChild: # child container
 928             container = tree.GetPyData(selected)
 929             container.child = xxx
 930             container.hasChildren = xxx.hasChildren
 931             container.isSizer = xxx.isSizer
 932             xxx = container
 933         else:
 934             tree.SetPyData(selected, xxx)
 935         tree.SetItemText(selected, xxx.treeName())
 936         tree.SetItemImage(selected, xxx.treeImage())
 937
 938         # Set default name for top-level windows
 939         if parent.__class__ == xxxMainNode:
 940             cl = xxx.treeObject().__class__
 941             frame.maxIDs[cl] += 1
 942             xxx.setTreeName('%s%d' % (defaultIDs[cl], frame.maxIDs[cl]))
 943
 944         # Update panel
 945         g.panel.SetData(xxx)
 946         # Update tools
 947         g.tools.UpdateUI()
 948
 949         #undoMan.RegisterUndo(UndoPasteCreate(parentLeaf, parent, newItem, selected))
 950         # Update view?
 951         if g.testWin and tree.IsHighlatable(selected):
 952             if conf.autoRefresh:
 953                 tree.needUpdate = True
 954                 tree.pendingHighLight = selected
 955             else:
 956                 tree.pendingHighLight = None
 957         tree.SetFocus()
 958         self.SetModified()
 959
 960     # Expand/collapse subtree
 961     def OnExpand(self, evt):
 962         if tree.selection: tree.ExpandAll(tree.selection)
 963         else: tree.ExpandAll(tree.root)
 964     def OnCollapse(self, evt):
 965         if tree.selection: tree.CollapseAll(tree.selection)
 966         else: tree.CollapseAll(tree.root)
 967
 968     def OnPullDownHighlight(self, evt):
 969         menuId = evt.GetMenuId()
 970         if menuId != -1:
 971             menu = evt.GetEventObject()
 972             help = menu.GetHelpString(menuId)
 973             self.SetStatusText(help)
 974         else:
 975             self.SetStatusText('')
 976
 977     def OnUpdateUI(self, evt):
 978         if evt.GetId() in [wxID_CUT, wxID_COPY, self.ID_DELETE]:
 979             evt.Enable(tree.selection is not None and tree.selection != tree.root)
 980         elif evt.GetId() == wxID_SAVE:
 981             evt.Enable(self.modified)
 982         elif evt.GetId() in [wxID_PASTE, self.ID_TOOL_PASTE]:
 983             evt.Enable(tree.selection is not None)
 984         elif evt.GetId() == self.ID_TEST:
 985             evt.Enable(tree.selection is not None and tree.selection != tree.root)
 986         elif evt.GetId() in [self.ID_LOCATE, self.ID_TOOL_LOCATE]:
 987             evt.Enable(g.testWin is not None)
 988         elif evt.GetId() == wxID_UNDO:  evt.Enable(undoMan.CanUndo())
 989         elif evt.GetId() == wxID_REDO:  evt.Enable(undoMan.CanRedo())
 990
 991     def OnIdle(self, evt):
 992         if self.inIdle: return          # Recursive call protection
 993         self.inIdle = True
 994         try:
 995             if tree.needUpdate:
 996                 if conf.autoRefresh:
 997                     if g.testWin:
 998                         self.SetStatusText('Refreshing test window...')
 999                         # (re)create
1000                         tree.CreateTestWin(g.testWin.item)
1001                         self.SetStatusText('')
1002                     tree.needUpdate = False
1003             elif tree.pendingHighLight:
1004                 try:
1005                     tree.HighLight(tree.pendingHighLight)
1006                 except:
1007                     # Remove highlight if any problem
1008                     if g.testWin.highLight:
1009                         g.testWin.highLight.Remove()
1010                     tree.pendingHighLight = None
1011                     raise
1012             else:
1013                 evt.Skip()
1014         finally:
1015             self.inIdle = False
1016
1017     # We don't let close panel window
1018     def OnCloseMiniFrame(self, evt):
1019         return
1020
1021     def OnIconize(self, evt):
1022         conf.x, conf.y = self.GetPosition()
1023         conf.width, conf.height = self.GetSize()
1024         if conf.embedPanel:
1025             conf.sashPos = self.splitter.GetSashPosition()
1026         else:
1027             conf.panelX, conf.panelY = self.miniFrame.GetPosition()
1028             conf.panelWidth, conf.panelHeight = self.miniFrame.GetSize()
1029             self.miniFrame.Iconize()
1030         evt.Skip()
1031
1032     def OnCloseWindow(self, evt):
1033         if not self.AskSave(): return
1034         if g.testWin: g.testWin.Destroy()
1035         if not panel.GetPageCount() == 2:
1036             panel.page2.Destroy()
1037         else:
1038             # If we don't do this, page does not get destroyed (a bug?)
1039             panel.RemovePage(1)
1040         if not self.IsIconized():
1041             conf.x, conf.y = self.GetPosition()
1042             conf.width, conf.height = self.GetSize()
1043             if conf.embedPanel:
1044                 conf.sashPos = self.splitter.GetSashPosition()
1045             else:
1046                 conf.panelX, conf.panelY = self.miniFrame.GetPosition()
1047                 conf.panelWidth, conf.panelHeight = self.miniFrame.GetSize()
1048         evt.Skip()
1049
1050     def Clear(self):
1051         self.dataFile = ''
1052         undoMan.Clear()
1053         self.SetModified(False)
1054         tree.Clear()
1055         panel.Clear()
1056         if g.testWin:
1057             g.testWin.Destroy()
1058             g.testWin = None
1059         # Numbers for new controls
1060         self.maxIDs = {}
1061         for cl in [xxxPanel, xxxDialog, xxxFrame,
1062                    xxxMenuBar, xxxMenu, xxxToolBar,
1063                    xxxWizard, xxxBitmap, xxxIcon]:
1064             self.maxIDs[cl] = 0
1065
1066     def SetModified(self, state=True):
1067         self.modified = state
1068         name = os.path.basename(self.dataFile)
1069         if not name: name = defaultName
1070         if state:
1071             self.SetTitle(progname + ': ' + name + ' *')
1072         else:
1073             self.SetTitle(progname + ': ' + name)
1074
1075     def Open(self, path):
1076         if not os.path.exists(path):
1077             wxLogError('File does not exists: %s' % path)
1078             return False
1079         # Try to read the file
1080         try:
1081             f = open(path)
1082             self.Clear()
1083             dom = minidom.parse(f)
1084             f.close()
1085             # Set encoding global variable and default encoding
1086             if dom.encoding:
1087                 g.currentEncoding = dom.encoding
1088                 wx.SetDefaultPyEncoding(g.currentEncoding.encode())
1089             else:
1090                 g.currentEncoding = ''
1091             # Change dir
1092             self.dataFile = path = os.path.abspath(path)
1093             dir = os.path.dirname(path)
1094             if dir: os.chdir(dir)
1095             tree.SetData(dom)
1096             self.SetTitle(progname + ': ' + os.path.basename(path))
1097         except:
1098             # Nice exception printing
1099             inf = sys.exc_info()
1100             wxLogError(traceback.format_exception(inf[0], inf[1], None)[-1])
1101             wxLogError('Error reading file: %s' % path)
1102             if debug: raise
1103             return False
1104         return True
1105
1106     def Indent(self, node, indent = 0):
1107         # Copy child list because it will change soon
1108         children = node.childNodes[:]
1109         # Main node doesn't need to be indented
1110         if indent:
1111             text = self.domCopy.createTextNode('\n' + ' ' * indent)
1112             node.parentNode.insertBefore(text, node)
1113         if children:
1114             # Append newline after last child, except for text nodes
1115             if children[-1].nodeType == minidom.Node.ELEMENT_NODE:
1116                 text = self.domCopy.createTextNode('\n' + ' ' * indent)
1117                 node.appendChild(text)
1118             # Indent children which are elements
1119             for n in children:
1120                 if n.nodeType == minidom.Node.ELEMENT_NODE:
1121                     self.Indent(n, indent + 2)
1122
1123     def Save(self, path):
1124         try:
1125             import codecs
1126             # Apply changes
1127             if tree.selection and panel.IsModified():
1128                 self.OnRefresh(wxCommandEvent())
1129             if g.currentEncoding:
1130                 f = codecs.open(path, 'wt', g.currentEncoding)
1131             else:
1132                 f = codecs.open(path, 'wt')
1133             # Make temporary copy for formatting it
1134             # !!! We can't clone dom node, it works only once
1135             #self.domCopy = tree.dom.cloneNode(True)
1136             self.domCopy = MyDocument()
1137             mainNode = self.domCopy.appendChild(tree.mainNode.cloneNode(True))
1138             # Remove first child (test element)
1139             testElem = mainNode.firstChild
1140             mainNode.removeChild(testElem)
1141             testElem.unlink()
1142             self.Indent(mainNode)
1143             self.domCopy.writexml(f, encoding = g.currentEncoding)
1144             f.close()
1145             self.domCopy.unlink()
1146             self.domCopy = None
1147             self.SetModified(False)
1148             panel.SetModified(False)
1149         except:
1150             inf = sys.exc_info()
1151             wxLogError(traceback.format_exception(inf[0], inf[1], None)[-1])
1152             wxLogError('Error writing file: %s' % path)
1153             raise
1154
1155     def AskSave(self):
1156         if not (self.modified or panel.IsModified()): return True
1157         flags = wxICON_EXCLAMATION | wxYES_NO | wxCANCEL | wxCENTRE
1158         dlg = wxMessageDialog( self, 'File is modified. Save before exit?',
1159                                'Save before too late?', flags )
1160         say = dlg.ShowModal()
1161         dlg.Destroy()
1162         wxYield()
1163         if say == wxID_YES:
1164             self.OnSaveOrSaveAs(wxCommandEvent(wxID_SAVE))
1165             # If save was successful, modified flag is unset
1166             if not self.modified: return True
1167         elif say == wxID_NO:
1168             self.SetModified(False)
1169             panel.SetModified(False)
1170             return True
1171         return False
1172
1173     def SaveUndo(self):
1174         pass                            # !!!
1175
1176 ################################################################################
1177
1178 def usage():
1179     print >> sys.stderr, 'usage: xrced [-dhiv] [file]'
1180
1181 class App(wxApp):
1182     def OnInit(self):
1183         # Check version
1184         if wxVERSION[:3] < MinWxVersion:
1185             wxLogWarning('''\
1186 This version of XRCed may not work correctly on your version of wxWindows. \
1187 Please upgrade wxWindows to %d.%d.%d or higher.''' % MinWxVersion)
1188         global debug
1189         # Process comand-line
1190         opts = args = None
1191         try:
1192             opts, args = getopt.getopt(sys.argv[1:], 'dhiv')
1193             for o,a in opts:
1194                 if o == '-h':
1195                     usage()
1196                     sys.exit(0)
1197                 elif o == '-d':
1198                     debug = True
1199                 elif o == '-v':
1200                     print 'XRCed version', version
1201                     sys.exit(0)
1202
1203         except getopt.GetoptError:
1204             if wxPlatform != '__WXMAC__': # macs have some extra parameters
1205                 print >> sys.stderr, 'Unknown option'
1206                 usage()
1207                 sys.exit(1)
1208
1209         self.SetAppName('xrced')
1210         # Settings
1211         global conf
1212         conf = g.conf = wxConfig(style = wxCONFIG_USE_LOCAL_FILE)
1213         conf.autoRefresh = conf.ReadInt('autorefresh', True)
1214         pos = conf.ReadInt('x', -1), conf.ReadInt('y', -1)
1215         size = conf.ReadInt('width', 800), conf.ReadInt('height', 600)
1216         conf.embedPanel = conf.ReadInt('embedPanel', True)
1217         conf.showTools = conf.ReadInt('showTools', True)
1218         conf.sashPos = conf.ReadInt('sashPos', 200)
1219         # read recently used files
1220         recentfiles=conf.Read('recentFiles','')
1221         conf.recentfiles={}
1222         if recentfiles:
1223             for fil in recentfiles.split('|'):
1224                 conf.recentfiles[wxNewId()]=fil
1225         if not conf.embedPanel:
1226             conf.panelX = conf.ReadInt('panelX', -1)
1227             conf.panelY = conf.ReadInt('panelY', -1)
1228         else:
1229             conf.panelX = conf.panelY = -1
1230         conf.panelWidth = conf.ReadInt('panelWidth', 200)
1231         conf.panelHeight = conf.ReadInt('panelHeight', 200)
1232         conf.panic = not conf.HasEntry('nopanic')
1233         # Add handlers
1234         wxFileSystem_AddHandler(wxMemoryFSHandler())
1235         # Create main frame
1236         frame = Frame(pos, size)
1237         frame.Show(True)
1238
1239         # Load file after showing
1240         if args:
1241             conf.panic = False
1242             frame.open = frame.Open(args[0])
1243
1244         return True
1245
1246     def OnExit(self):
1247         # Write config
1248         global conf
1249         wc = wxConfigBase_Get()
1250         wc.WriteInt('autorefresh', conf.autoRefresh)
1251         wc.WriteInt('x', conf.x)
1252         wc.WriteInt('y', conf.y)
1253         wc.WriteInt('width', conf.width)
1254         wc.WriteInt('height', conf.height)
1255         wc.WriteInt('embedPanel', conf.embedPanel)
1256         wc.WriteInt('showTools', conf.showTools)
1257         if not conf.embedPanel:
1258             wc.WriteInt('panelX', conf.panelX)
1259             wc.WriteInt('panelY', conf.panelY)
1260         wc.WriteInt('sashPos', conf.sashPos)
1261         wc.WriteInt('panelWidth', conf.panelWidth)
1262         wc.WriteInt('panelHeight', conf.panelHeight)
1263         wc.WriteInt('nopanic', True)
1264         wc.Write('recentFiles', '|'.join(conf.recentfiles.values()[-5:]))
1265         wc.Flush()
1266
1267 def main():
1268     app = App(0, useBestVisual=False)
1269     #app.SetAssertMode(wxPYAPP_ASSERT_LOG)
1270     app.MainLoop()
1271     app.OnExit()
1272     global conf
1273     del conf
1274
1275 if __name__ == '__main__':
1276     main()