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