예제 #1
0
 def showSearchFrame(self, type):
     """
     Shows a PassageSearchFrame for this frame, creating it if need be.
     The type parameter should be one of the constants defined in 
     PassageSearchFrame, e.g. FIND_TAB or REPLACE_TAB.
     """
     if (not hasattr(self, 'searchFrame')):
         self.searchFrame = PassageSearchFrame(self, self, self.app, type)
     else:
         try:
             self.searchFrame.Raise()
         except wx._core.PyDeadObjectError:
             # user closed the frame, so we need to recreate it
             delattr(self, 'searchFrame')
             self.showSearchFrame(type)
예제 #2
0
class PassageFrame(wx.Frame):
    def __init__(self, parent, widget, app):
        self.widget = widget
        self.app = app
        self.syncTimer = None
        self.lastFindRegexp = None
        self.lastFindFlags = None
        self.usingLexer = True

        wx.Frame.__init__(self, parent, wx.ID_ANY, title = 'Untitled Passage - ' + self.app.NAME, \
                          size = PassageFrame.DEFAULT_SIZE)

        # Passage menu

        passageMenu = wx.Menu()

        passageMenu.Append(PassageFrame.PASSAGE_EDIT_SELECTION,
                           'Create &Link From Selection\tCtrl-L')
        self.Bind(wx.EVT_MENU,
                  self.editSelection,
                  id=PassageFrame.PASSAGE_EDIT_SELECTION)

        self.outLinksMenu = wx.Menu()
        self.outLinksMenuTitle = passageMenu.AppendMenu(
            wx.ID_ANY, 'Outgoing Links', self.outLinksMenu)
        self.inLinksMenu = wx.Menu()
        self.inLinksMenuTitle = passageMenu.AppendMenu(wx.ID_ANY,
                                                       'Incoming Links',
                                                       self.inLinksMenu)
        self.brokenLinksMenu = wx.Menu()
        self.brokenLinksMenuTitle = passageMenu.AppendMenu(
            wx.ID_ANY, 'Broken Links', self.brokenLinksMenu)

        passageMenu.AppendSeparator()

        passageMenu.Append(wx.ID_SAVE, '&Save Story\tCtrl-S')
        self.Bind(wx.EVT_MENU, self.widget.parent.parent.save, id=wx.ID_SAVE)

        passageMenu.Append(PassageFrame.PASSAGE_REBUILD_STORY,
                           '&Rebuild Story\tCtrl-R')
        self.Bind(wx.EVT_MENU,
                  self.widget.parent.parent.rebuild,
                  id=PassageFrame.PASSAGE_REBUILD_STORY)

        passageMenu.AppendSeparator()

        passageMenu.Append(PassageFrame.PASSAGE_FULLSCREEN,
                           '&Fullscreen View\tF12')
        self.Bind(wx.EVT_MENU,
                  self.openFullscreen,
                  id=PassageFrame.PASSAGE_FULLSCREEN)

        passageMenu.Append(wx.ID_CLOSE, '&Close Passage\tCtrl-W')
        self.Bind(wx.EVT_MENU, lambda e: self.Destroy(), id=wx.ID_CLOSE)

        # Edit menu

        editMenu = wx.Menu()

        editMenu.Append(wx.ID_UNDO, '&Undo\tCtrl-Z')
        self.Bind(wx.EVT_MENU, lambda e: self.bodyInput.Undo(), id=wx.ID_UNDO)

        editMenu.Append(wx.ID_REDO, '&Redo\tCtrl-Y')
        self.Bind(wx.EVT_MENU, lambda e: self.bodyInput.Redo(), id=wx.ID_REDO)

        editMenu.AppendSeparator()

        editMenu.Append(wx.ID_CUT, 'Cu&t\tCtrl-X')
        self.Bind(wx.EVT_MENU, lambda e: self.bodyInput.Cut(), id=wx.ID_CUT)

        editMenu.Append(wx.ID_COPY, '&Copy\tCtrl-C')
        self.Bind(wx.EVT_MENU, lambda e: self.bodyInput.Copy(), id=wx.ID_COPY)

        editMenu.Append(wx.ID_PASTE, '&Paste\tCtrl-V')
        self.Bind(wx.EVT_MENU,
                  lambda e: self.bodyInput.Paste(),
                  id=wx.ID_PASTE)

        editMenu.Append(wx.ID_SELECTALL, 'Select &All\tCtrl-A')
        self.Bind(wx.EVT_MENU,
                  lambda e: self.bodyInput.SelectAll(),
                  id=wx.ID_SELECTALL)

        editMenu.AppendSeparator()

        editMenu.Append(wx.ID_FIND, '&Find...\tCtrl-F')
        self.Bind(wx.EVT_MENU,
                  lambda e: self.showSearchFrame(PassageSearchFrame.FIND_TAB),
                  id=wx.ID_FIND)

        editMenu.Append(PassageFrame.EDIT_FIND_NEXT, 'Find &Next\tCtrl-G')
        self.Bind(wx.EVT_MENU,
                  self.findNextRegexp,
                  id=PassageFrame.EDIT_FIND_NEXT)

        if sys.platform == 'darwin':
            shortcut = 'Ctrl-Shift-H'
        else:
            shortcut = 'Ctrl-H'

        editMenu.Append(wx.ID_REPLACE, '&Replace...\t' + shortcut)
        self.Bind(
            wx.EVT_MENU,
            lambda e: self.showSearchFrame(PassageSearchFrame.REPLACE_TAB),
            id=wx.ID_REPLACE)

        # menus

        self.menus = wx.MenuBar()
        self.menus.Append(passageMenu, '&Passage')
        self.menus.Append(editMenu, '&Edit')
        self.SetMenuBar(self.menus)

        # controls

        self.panel = wx.Panel(self)
        allSizer = wx.BoxSizer(wx.VERTICAL)
        self.panel.SetSizer(allSizer)

        # title/tag controls

        self.topControls = wx.Panel(self.panel)
        topSizer = wx.FlexGridSizer(3, 2, metrics.size('relatedControls'),
                                    metrics.size('relatedControls'))

        titleLabel = wx.StaticText(self.topControls,
                                   style=wx.ALIGN_RIGHT,
                                   label=PassageFrame.TITLE_LABEL)
        self.titleInput = wx.TextCtrl(self.topControls)
        tagsLabel = wx.StaticText(self.topControls,
                                  style=wx.ALIGN_RIGHT,
                                  label=PassageFrame.TAGS_LABEL)
        self.tagsInput = wx.TextCtrl(self.topControls)
        topSizer.Add(titleLabel,
                     0,
                     flag=wx.ALL,
                     border=metrics.size('focusRing'))
        topSizer.Add(self.titleInput,
                     1,
                     flag=wx.EXPAND | wx.ALL,
                     border=metrics.size('focusRing'))
        topSizer.Add(tagsLabel,
                     0,
                     flag=wx.ALL,
                     border=metrics.size('focusRing'))
        topSizer.Add(self.tagsInput,
                     1,
                     flag=wx.EXPAND | wx.ALL,
                     border=metrics.size('focusRing'))
        topSizer.AddGrowableCol(1, 1)
        self.topControls.SetSizer(topSizer)

        # body text

        self.bodyInput = wx.stc.StyledTextCtrl(self.panel,
                                               style=wx.TE_PROCESS_TAB
                                               | wx.BORDER_SUNKEN)
        self.bodyInput.SetUseHorizontalScrollBar(False)
        self.bodyInput.SetMargins(8, 8)
        self.bodyInput.SetMarginWidth(1, 0)
        self.bodyInput.SetWrapMode(wx.stc.STC_WRAP_WORD)
        self.bodyInput.SetSelBackground(
            True, wx.SystemSettings_GetColour(wx.SYS_COLOUR_HIGHLIGHT))
        self.bodyInput.SetSelForeground(
            True, wx.SystemSettings_GetColour(wx.SYS_COLOUR_HIGHLIGHTTEXT))

        # final layout

        allSizer.Add(self.topControls,
                     flag=wx.TOP | wx.LEFT | wx.RIGHT | wx.EXPAND,
                     border=metrics.size('windowBorder'))
        allSizer.Add(self.bodyInput,
                     proportion=1,
                     flag=wx.TOP | wx.EXPAND,
                     border=metrics.size('relatedControls'))
        self.lexer = TweeLexer(self.bodyInput, self)
        self.applyPrefs()
        self.syncInputs()
        self.bodyInput.EmptyUndoBuffer()
        self.updateSubmenus()
        self.setLexer()

        # event bindings
        # we need to do this AFTER setting up initial values

        self.titleInput.Bind(wx.EVT_TEXT, self.syncPassage)
        self.tagsInput.Bind(wx.EVT_TEXT, self.syncPassage)
        self.bodyInput.Bind(wx.stc.EVT_STC_CHANGE, self.syncPassage)
        self.bodyInput.Bind(wx.stc.EVT_STC_START_DRAG, self.prepDrag)
        self.Bind(wx.EVT_CLOSE, self.closeFullscreen)
        self.Bind(wx.EVT_MENU_OPEN, self.updateSubmenus)
        self.Bind(wx.EVT_UPDATE_UI, self.updateUI)

        if not re.match('Untitled Passage \d+', self.widget.passage.title):
            self.bodyInput.SetFocus()
            self.bodyInput.SetSelection(-1, -1)

        self.SetIcon(self.app.icon)
        self.Show(True)

    def syncInputs(self):
        """Updates the inputs based on the passage's state."""
        self.titleInput.SetValue(self.widget.passage.title)
        self.bodyInput.SetText(self.widget.passage.text)

        tags = ''

        for tag in self.widget.passage.tags:
            tags += tag + ' '

        self.tagsInput.SetValue(tags)
        self.SetTitle(self.widget.passage.title + ' - ' + self.app.NAME)

    def syncPassage(self, event=None):
        """Updates the passage based on the inputs; asks our matching widget to repaint."""
        if len(self.titleInput.GetValue()) > 0:
            self.widget.passage.title = self.titleInput.GetValue()
        else:
            self.widget.passage.title = 'Untitled Passage'
        self.widget.passage.text = self.bodyInput.GetText()
        self.widget.passage.tags = []
        self.widget.clearPaintCache()

        for tag in self.tagsInput.GetValue().split(' '):
            if tag != '': self.widget.passage.tags.append(tag)

        self.SetTitle(self.widget.passage.title + ' - ' + self.app.NAME)

        # immediately mark the story dirty

        self.widget.parent.parent.setDirty(True)

        # reset redraw timer

        def reallySync(self):
            self.widget.parent.Refresh()

        if (self.syncTimer):
            self.syncTimer.cancel()

        self.syncTimer = threading.Timer(PassageFrame.PARENT_SYNC_DELAY,
                                         reallySync, [self], {})
        self.syncTimer.start()

        # change our lexer as necessary

        self.setLexer()

    def openFullscreen(self, event=None):
        """Opens a FullscreenEditFrame for this passage's body text."""
        self.Hide()
        self.fullscreen = FullscreenEditFrame(None, self.app, \
                                              title = self.widget.passage.title + ' - ' + self.app.NAME, \
                                              initialText = self.widget.passage.text, \
                                              callback = self.setBodyText, frame = self)

    def closeFullscreen(self, event=None):
        """Closes this editor's fullscreen counterpart, if any."""
        try:
            self.fullscreen.Destroy()
        except:
            pass
        event.Skip()

    def openOtherEditor(self, event=None, title=None):
        """
        Opens another passage for editing. If it does not exist, then
        it creates it next to this one and then opens it. You may pass
        this a string title OR an event. If you pass an event, it presumes
        it is a wx.CommandEvent, and uses the exact text of the menu as the title.
        """

        # this is a bit retarded
        # we seem to be receiving CommandEvents, not MenuEvents,
        # so we can only see menu item IDs
        # unfortunately all our menu items are dynamically generated
        # so we gotta work our way back to a menu name

        if not title: title = self.menus.FindItemById(event.GetId()).GetLabel()
        found = False

        # check if the passage already exists

        for widget in self.widget.parent.widgets:
            if widget.passage.title == title:
                found = True
                editingWidget = widget
                break

        if not found:
            editingWidget = self.widget.parent.newWidget(
                title=title, pos=self.widget.parent.toPixels(self.widget.pos))

        editingWidget.openEditor()

    def showSearchFrame(self, type):
        """
        Shows a PassageSearchFrame for this frame, creating it if need be.
        The type parameter should be one of the constants defined in 
        PassageSearchFrame, e.g. FIND_TAB or REPLACE_TAB.
        """
        if (not hasattr(self, 'searchFrame')):
            self.searchFrame = PassageSearchFrame(self, self, self.app, type)
        else:
            try:
                self.searchFrame.Raise()
            except wx._core.PyDeadObjectError:
                # user closed the frame, so we need to recreate it
                delattr(self, 'searchFrame')
                self.showSearchFrame(type)

    def setBodyText(self, text):
        """Changes the body text field directly."""
        self.bodyInput.SetText(text)
        self.Show(True)

    def prepDrag(self, event):
        """
        Tells our StoryPanel about us so that it can tell us what to do in response to
        dropping some text into it. We also force the event into a copy operation, not
        a move one, so it doesn't trash any existing text.
        """
        event.SetDragAllowMove(False)
        self.widget.parent.textDragSource = self

    def getSelection(self):
        """
        Returns the beginning and end of the selection as a tuple.
        """
        return self.bodyInput.GetSelection()

    def getSelectedText(self):
        """
        Returns the text currently selected. 
        """
        return self.bodyInput.GetSelectedText()

    def setSelection(self, range):
        """
        Changes the current selection to the range passed.
        """
        self.bodyInput.SetSelection(range[0], range[1])

    def editSelection(self, event=None):
        """
        If the selection isn't already double-bracketed, then brackets are added.
        If a passage with the selection title doesn't exist, it is created.
        Finally, an editor is opened for the passage.
        """
        rawSelection = self.bodyInput.GetSelectedText()
        title = self.stripCrud(rawSelection)
        if not re.match(r'^\[\[.*\]\]$', rawSelection): self.linkSelection()
        self.openOtherEditor(title=title)
        self.updateSubmenus()

    def linkSelection(self):
        """Transforms the selection into a link by surrounding it with double brackets."""
        selStart = self.bodyInput.GetSelectionStart()
        selEnd = self.bodyInput.GetSelectionEnd()
        self.bodyInput.InsertText(selStart, '[[')
        self.bodyInput.InsertText(selEnd + 2, ']]')
        self.bodyInput.SetSelection(selStart, selEnd + 4)

    def findRegexp(self, regexp, flags):
        """
        Selects a regexp in the body text.
        """
        self.lastFindRegexp = regexp
        self.lastFindFlags = flags

        # find the beginning of our search

        text = self.bodyInput.GetText()
        oldSelection = self.bodyInput.GetSelection()

        # try past the selection

        match = re.search(regexp, text[oldSelection[1]:], flags)
        if match:
            self.bodyInput.SetSelection(match.start() + oldSelection[1],
                                        match.end() + oldSelection[1])
        else:
            # try before the selection
            match = re.search(regexp, text[:oldSelection[1]], flags)
            if match:
                self.bodyInput.SetSelection(match.start(), match.end())
            else:
                # give up
                dialog = wx.MessageDialog(self, 'The text you entered was not found in this passage.', \
                                          'Not Found', wx.ICON_INFORMATION | wx.OK)
                dialog.ShowModal()

    def findNextRegexp(self, event=None):
        """
        Performs a search for the last regexp that was searched for.
        """
        self.findRegexp(self.lastFindRegexp, self.lastFindFlags)

    def replaceOneRegexp(self, findRegexp, flags, replaceRegexp):
        """
        If the current selection matches the search regexp, a replacement
        is made. Otherwise, it calls findRegexp().
        """
        compiledRegexp = re.compile(findRegexp, flags)
        selectedText = self.bodyInput.GetSelectedText()
        match = re.match(findRegexp, selectedText, flags)

        if match and match.endpos == len(selectedText):
            oldStart = self.bodyInput.GetSelectionStart()
            newText = re.sub(compiledRegexp, replaceRegexp, selectedText)
            self.bodyInput.ReplaceSelection(newText)
            self.bodyInput.SetSelection(oldStart, oldStart + len(newText))
        else:
            # look for the next instance
            self.findRegexp(findRegexp, flags)

    def replaceAllRegexps(self, findRegexp, flags, replaceRegexp):
        """
        Replaces all instances of text in the body text and
        shows the user an alert about how many replacements 
        were made.
        """
        replacements = 0
        compiledRegexp = re.compile(findRegexp, flags)

        newText, replacements = re.subn(compiledRegexp, replaceRegexp,
                                        self.bodyInput.GetText())
        if replacements > 0: self.bodyInput.SetText(newText)

        message = '%d replacement' % replacements
        if replacements != 1:
            message += 's were '
        else:
            message += ' was '
        message += 'made in this passage.'

        dialog = wx.MessageDialog(self, message, 'Replace Complete',
                                  wx.ICON_INFORMATION | wx.OK)
        dialog.ShowModal()

    def stripCrud(self, text):
        """Strips extraneous crud from around text, likely a partial selection of a link."""
        return text.strip(""" "'<>[]""")

    def setLexer(self):
        """
        Sets our custom lexer for the body input so long as the passage
        does not have the tag "stylesheet" or "script" or is StoryIncludes.
        """
        oldLexing = self.usingLexer

        if re.search(r'\bstylesheet\b', self.tagsInput.GetValue()) or \
           re.search(r'\bscript\b', self.tagsInput.GetValue()) or \
           self.widget.passage.title == 'StoryIncludes':
            self.usingLexer = False
            self.bodyInput.SetLexer(wx.stc.STC_LEX_NULL)
        else:
            self.usingLexer = True
            self.bodyInput.SetLexer(wx.stc.STC_LEX_CONTAINER)

        if oldLexing != self.usingLexer:
            self.bodyInput.StartStyling(0, TweeLexer.TEXT_STYLES)
            self.bodyInput.SetStyling(len(self.bodyInput.GetText()),
                                      TweeLexer.DEFAULT)
            self.bodyInput.Colourise(0, 0)

    def updateUI(self, event):
        """Updates menus."""

        # basic edit menus

        undoItem = self.menus.FindItemById(wx.ID_UNDO)
        undoItem.Enable(self.bodyInput.CanUndo())

        redoItem = self.menus.FindItemById(wx.ID_REDO)
        redoItem.Enable(self.bodyInput.CanRedo())

        hasSelection = self.bodyInput.GetSelectedText() != ''

        cutItem = self.menus.FindItemById(wx.ID_CUT)
        cutItem.Enable(hasSelection)
        copyItem = self.menus.FindItemById(wx.ID_COPY)
        copyItem.Enable(hasSelection)

        pasteItem = self.menus.FindItemById(wx.ID_PASTE)
        pasteItem.Enable(self.bodyInput.CanPaste())

        # find/replace

        findNextItem = self.menus.FindItemById(PassageFrame.EDIT_FIND_NEXT)
        findNextItem.Enable(self.lastFindRegexp != None)

        # link selected text menu item

        editSelected = self.menus.FindItemById(
            PassageFrame.PASSAGE_EDIT_SELECTION)
        selection = self.bodyInput.GetSelectedText()

        if selection != '':
            if not re.match(r'^\[\[.*\]\]$', selection):
                if len(selection) < 25:
                    editSelected.SetText('Create &Link Named "' + selection +
                                         '"\tCtrl-L')
                else:
                    editSelected.SetText(
                        'Create &Link From Selected Text\tCtrl-L')
            else:
                if len(selection) < 25:
                    editSelected.SetText('&Edit Passage Named "' +
                                         self.stripCrud(selection) +
                                         '"\tCtrl-L')
                else:
                    editSelected.SetText(
                        '&Edit Passage From Selected Text\tCtrl-L')
            editSelected.Enable(True)
        else:
            editSelected.SetText('Create &Link From Selected Text\tCtrl-L')
            editSelected.Enable(False)

    def updateSubmenus(self, event=None):
        """
        Updates our passage menus. This should be called sparingly, i.e. not during
        a UI update event, as it is doing a bunch of removing and adding of items.
        """

        # separate outgoing and broken links

        outgoing = []
        incoming = []
        broken = []

        for link in self.widget.passage.links():
            if len(link) > 0:
                found = False

                for widget in self.widget.parent.widgets:
                    if widget.passage.title == link:
                        outgoing.append(link)
                        found = True
                        break

                if not found: broken.append(link)

        # incoming links

        for widget in self.widget.parent.widgets:
            if self.widget.passage.title in widget.passage.links() \
            and len(widget.passage.title) > 0:
                incoming.append(widget.passage.title)

        # repopulate the menus

        def populate(menu, links):
            for item in menu.GetMenuItems():
                menu.DeleteItem(item)

            if len(links):
                for link in links:
                    item = menu.Append(-1, link)
                    self.Bind(wx.EVT_MENU, self.openOtherEditor, item)
            else:
                item = menu.Append(wx.ID_ANY, '(None)')
                item.Enable(False)

        outTitle = 'Outgoing Links'
        if len(outgoing) > 0: outTitle += ' (' + str(len(outgoing)) + ')'
        self.outLinksMenuTitle.SetText(outTitle)
        populate(self.outLinksMenu, outgoing)

        inTitle = 'Incoming Links'
        if len(incoming) > 0: inTitle += ' (' + str(len(incoming)) + ')'
        self.inLinksMenuTitle.SetText(inTitle)
        populate(self.inLinksMenu, incoming)

        brokenTitle = 'Broken Links'
        if len(broken) > 0: brokenTitle += ' (' + str(len(broken)) + ')'
        self.brokenLinksMenuTitle.SetText(brokenTitle)
        populate(self.brokenLinksMenu, broken)

    def applyPrefs(self):
        """Applies user prefs to this frame."""
        bodyFont = wx.Font(self.app.config.ReadInt('windowedFontSize'), wx.MODERN, wx.NORMAL, \
                           wx.NORMAL, False, self.app.config.Read('windowedFontFace'))
        defaultStyle = self.bodyInput.GetStyleAt(0)
        self.bodyInput.StyleSetFont(defaultStyle, bodyFont)
        if hasattr(self, 'lexer'): self.lexer.initStyles()

    def __repr__(self):
        return "<PassageFrame '" + self.widget.passage.title + "'>"

    # timing constants

    PARENT_SYNC_DELAY = 0.5

    # control constants

    DEFAULT_SIZE = (550, 600)
    TITLE_LABEL = 'Title'
    TAGS_LABEL = 'Tags (separate with spaces)'

    # menu constants (not defined by wx)

    EDIT_FIND_NEXT = 2001

    PASSAGE_FULLSCREEN = 1001
    PASSAGE_EDIT_SELECTION = 1002
    PASSAGE_REBUILD_STORY = 1003
예제 #3
0
class PassageFrame(wx.Frame):
    """
    A PassageFrame is a window that allows the user to change the contents
    of a passage. This must be paired with a PassageWidget; it gets to the
    underlying passage via it, and also notifies it of changes made here.

    This doesn't require the user to save their changes -- as they make
    changes, they are automatically updated everywhere.

    nb: This does not make use of wx.stc's built-in find/replace functions.
    This is partially for user interface reasons, as find/replace at the
    StoryPanel level uses Python regexps, not Scintilla ones. It's also
    because SearchPanel and ReplacePanel hand back regexps, so we wouldn't
    know what flags to pass to wx.stc.
    """

    def __init__(self, parent, widget, app):
        self.widget = widget
        self.app = app
        self.syncTimer = None
        self.lastFindRegexp = None
        self.lastFindFlags = None
        self.usingLexer = self.LEXER_NORMAL
        self.titleInvalid = False

        wx.Frame.__init__(self, parent, wx.ID_ANY, title = 'Untitled Passage - ' + self.app.NAME + ' ' + versionString, \
                          size = PassageFrame.DEFAULT_SIZE)

        # Passage menu

        passageMenu = wx.Menu()

        passageMenu.Append(PassageFrame.PASSAGE_EDIT_SELECTION, 'Create &Link From Selection\tCtrl-L')
        self.Bind(wx.EVT_MENU, self.editSelection, id = PassageFrame.PASSAGE_EDIT_SELECTION)

        self.outLinksMenu = wx.Menu()
        self.outLinksMenuTitle = passageMenu.Append(wx.ID_ANY, 'Outgoing Links', self.outLinksMenu)
        self.inLinksMenu = wx.Menu()
        self.inLinksMenuTitle = passageMenu.Append(wx.ID_ANY, 'Incoming Links', self.inLinksMenu)
        self.brokenLinksMenu = wx.Menu()
        self.brokenLinksMenuTitle = passageMenu.Append(wx.ID_ANY, 'Broken Links', self.brokenLinksMenu)

        passageMenu.AppendSeparator()

        passageMenu.Append(wx.ID_SAVE, '&Save Story\tCtrl-S')
        self.Bind(wx.EVT_MENU, self.widget.parent.parent.save, id = wx.ID_SAVE)

        passageMenu.Append(PassageFrame.PASSAGE_VERIFY, '&Verify Passage\tCtrl-E')
        self.Bind(wx.EVT_MENU, lambda e: (self.widget.verifyPassage(self), self.offerAssistance()),\
                  id = PassageFrame.PASSAGE_VERIFY)

        passageMenu.Append(PassageFrame.PASSAGE_TEST_HERE, '&Test Play From Here\tCtrl-T')
        self.Bind(wx.EVT_MENU, lambda e: self.widget.parent.parent.testBuild(e, startAt = self.widget.passage.title),\
                  id = PassageFrame.PASSAGE_TEST_HERE)

        passageMenu.Append(PassageFrame.PASSAGE_REBUILD_STORY, '&Rebuild Story\tCtrl-R')
        self.Bind(wx.EVT_MENU, self.widget.parent.parent.rebuild, id = PassageFrame.PASSAGE_REBUILD_STORY)

        passageMenu.AppendSeparator()

        passageMenu.Append(PassageFrame.PASSAGE_FULLSCREEN, '&Fullscreen View\tF12')
        self.Bind(wx.EVT_MENU, self.openFullscreen, id = PassageFrame.PASSAGE_FULLSCREEN)

        passageMenu.Append(wx.ID_CLOSE, '&Close Passage\tCtrl-W')
        self.Bind(wx.EVT_MENU, lambda e: self.Close(), id = wx.ID_CLOSE)

        # Edit menu

        editMenu = wx.Menu()

        editMenu.Append(wx.ID_UNDO, '&Undo\tCtrl-Z')
        self.Bind(wx.EVT_MENU, lambda e: self.bodyInput.Undo(), id = wx.ID_UNDO)

        if sys.platform == 'darwin':
            shortcut = 'Ctrl-Shift-Z'
        else:
            shortcut = 'Ctrl-Y'

        editMenu.Append(wx.ID_REDO, '&Redo\t' + shortcut)
        self.Bind(wx.EVT_MENU, lambda e: self.bodyInput.Redo(), id = wx.ID_REDO)

        editMenu.AppendSeparator()

        editMenu.Append(wx.ID_CUT, 'Cu&t\tCtrl-X')
        self.Bind(wx.EVT_MENU, lambda e: wx.Window.FindFocus().Cut(), id = wx.ID_CUT)

        editMenu.Append(wx.ID_COPY, '&Copy\tCtrl-C')
        self.Bind(wx.EVT_MENU, lambda e: wx.Window.FindFocus().Copy(), id = wx.ID_COPY)

        editMenu.Append(wx.ID_PASTE, '&Paste\tCtrl-V')
        self.Bind(wx.EVT_MENU, lambda e: wx.Window.FindFocus().Paste(), id = wx.ID_PASTE)


        editMenu.Append(wx.ID_SELECTALL, 'Select &All\tCtrl-A')
        self.Bind(wx.EVT_MENU, lambda e: wx.Window.FindFocus().SelectAll(), id = wx.ID_SELECTALL)

        editMenu.AppendSeparator()

        editMenu.Append(wx.ID_FIND, '&Find...\tCtrl-F')
        self.Bind(wx.EVT_MENU, lambda e: self.showSearchFrame(PassageSearchFrame.FIND_TAB), id = wx.ID_FIND)

        editMenu.Append(PassageFrame.EDIT_FIND_NEXT, 'Find &Next\tCtrl-G')
        self.Bind(wx.EVT_MENU, self.findNextRegexp, id = PassageFrame.EDIT_FIND_NEXT)

        if sys.platform == 'darwin':
            shortcut = 'Ctrl-Shift-H'
        else:
            shortcut = 'Ctrl-H'

        editMenu.Append(wx.ID_REPLACE, '&Replace...\t' + shortcut)
        self.Bind(wx.EVT_MENU, lambda e: self.showSearchFrame(PassageSearchFrame.REPLACE_TAB), id = wx.ID_REPLACE)

        # help menu

        helpMenu = wx.Menu()

        if self.widget.passage.isStylesheet():
            helpMenu.Append(PassageFrame.HELP1, 'About Stylesheets')
            self.Bind(wx.EVT_MENU, lambda e: wx.LaunchDefaultBrowser('http://twinery.org/wiki/stylesheet'), id = PassageFrame.HELP1)
        elif self.widget.passage.isScript():
            helpMenu.Append(PassageFrame.HELP1, 'About Scripts')
            self.Bind(wx.EVT_MENU, lambda e: wx.LaunchDefaultBrowser('http://twinery.org/wiki/script'), id = PassageFrame.HELP1)
        else:
            helpMenu.Append(PassageFrame.HELP1, 'About Passages')
            self.Bind(wx.EVT_MENU, lambda e: wx.LaunchDefaultBrowser('http://twinery.org/wiki/passage'), id = PassageFrame.HELP1)

            helpMenu.Append(PassageFrame.HELP2, 'About Text Syntax')
            self.Bind(wx.EVT_MENU, lambda e: wx.LaunchDefaultBrowser('http://twinery.org/wiki/syntax'), id = PassageFrame.HELP2)

            helpMenu.Append(PassageFrame.HELP3, 'About Links')
            self.Bind(wx.EVT_MENU, lambda e: wx.LaunchDefaultBrowser('http://twinery.org/wiki/link'), id = PassageFrame.HELP3)

            helpMenu.Append(PassageFrame.HELP4, 'About Macros')
            self.Bind(wx.EVT_MENU, lambda e: wx.LaunchDefaultBrowser('http://twinery.org/wiki/macro'), id = PassageFrame.HELP4)

            helpMenu.Append(PassageFrame.HELP5, 'About Tags')
            self.Bind(wx.EVT_MENU, lambda e: wx.LaunchDefaultBrowser('http://twinery.org/wiki/tag'), id = PassageFrame.HELP5)

        # menus

        self.menus = wx.MenuBar()
        self.menus.Append(passageMenu, '&Passage')
        self.menus.Append(editMenu, '&Edit')
        self.menus.Append(helpMenu, '&Help')
        self.SetMenuBar(self.menus)

        # controls

        self.panel = wx.Panel(self)
        allSizer = wx.BoxSizer(wx.VERTICAL)
        self.panel.SetSizer(allSizer)

        # title/tag controls

        self.topControls = wx.Panel(self.panel)
        topSizer = wx.FlexGridSizer(3, 2, metrics.size('relatedControls'), metrics.size('relatedControls'))

        self.titleLabel = wx.StaticText(self.topControls, style = wx.ALIGN_RIGHT, label = PassageFrame.TITLE_LABEL)
        self.titleInput = wx.TextCtrl(self.topControls)
        tagsLabel = wx.StaticText(self.topControls, style = wx.ALIGN_RIGHT, label = PassageFrame.TAGS_LABEL)
        self.tagsInput = wx.TextCtrl(self.topControls)
        topSizer.Add(self.titleLabel, 0, flag = wx.ALL, border = metrics.size('focusRing'))
        topSizer.Add(self.titleInput, 1, flag = wx.EXPAND | wx.ALL, border = metrics.size('focusRing'))
        topSizer.Add(tagsLabel, 0, flag = wx.ALL, border = metrics.size('focusRing'))
        topSizer.Add(self.tagsInput, 1, flag = wx.EXPAND | wx.ALL, border = metrics.size('focusRing'))
        topSizer.AddGrowableCol(1, 1)
        self.topControls.SetSizer(topSizer)

        # body text

        self.bodyInput = wx.stc.StyledTextCtrl(self.panel, style = wx.TE_PROCESS_TAB | wx.BORDER_SUNKEN)
        self.bodyInput.SetUseHorizontalScrollBar(False)
        self.bodyInput.SetMargins(8, 8)
        self.bodyInput.SetMarginWidth(1, 0)
        self.bodyInput.SetTabWidth(4)
        self.bodyInput.SetWrapMode(wx.stc.STC_WRAP_WORD)
        self.bodyInput.SetSelBackground(True, wx.SystemSettings.GetColour(wx.SYS_COLOUR_HIGHLIGHT))
        self.bodyInput.SetSelForeground(True, wx.SystemSettings.GetColour(wx.SYS_COLOUR_HIGHLIGHTTEXT))
        self.bodyInput.SetFocus()

        # The default keyboard shortcuts for StyledTextCtrl are
        # nonstandard on Mac OS X
        if sys.platform == "darwin":
            # cmd-left/right to move to beginning/end of line
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_LEFT, wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_HOMEDISPLAY)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_LEFT, wx.stc.STC_SCMOD_CTRL | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_HOMEDISPLAYEXTEND)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_RIGHT, wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_LINEENDDISPLAY)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_RIGHT, wx.stc.STC_SCMOD_CTRL | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_LINEENDDISPLAYEXTEND)
            # opt-left/right to move forward/back a word
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_LEFT, wx.stc.STC_SCMOD_ALT, wx.stc.STC_CMD_WORDLEFT)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_LEFT, wx.stc.STC_SCMOD_ALT | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_WORDLEFTEXTEND)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_RIGHT, wx.stc.STC_SCMOD_ALT, wx.stc.STC_CMD_WORDRIGHT)
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_RIGHT, wx.stc.STC_SCMOD_ALT | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_WORDRIGHTEXTEND)
            # cmd-delete to delete from the cursor to beginning of line
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_BACK, wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_DELLINELEFT)
            # opt-delete to delete the previous/current word
            self.bodyInput.CmdKeyAssign(wx.stc.STC_KEY_BACK, wx.stc.STC_SCMOD_ALT, wx.stc.STC_CMD_DELWORDLEFT)
            # cmd-shift-z to redo
            self.bodyInput.CmdKeyAssign(ord('Z'), wx.stc.STC_SCMOD_CTRL | wx.stc.STC_SCMOD_SHIFT, wx.stc.STC_CMD_REDO)

        # final layout

        allSizer.Add(self.topControls, flag = wx.TOP | wx.LEFT | wx.RIGHT | wx.EXPAND, border = metrics.size('windowBorder'))
        allSizer.Add(self.bodyInput, proportion = 1, flag = wx.TOP | wx.EXPAND, border = metrics.size('relatedControls'))
        self.lexer = TweeStyler(self.bodyInput, self)
        self.applyPrefs()
        self.syncInputs()
        self.bodyInput.EmptyUndoBuffer()
        self.updateSubmenus()
        self.setLexer()

        # event bindings
        # we need to do this AFTER setting up initial values

        self.titleInput.Bind(wx.EVT_TEXT, self.syncPassage)
        self.tagsInput.Bind(wx.EVT_TEXT, self.syncPassage)
        self.bodyInput.Bind(wx.stc.EVT_STC_CHANGE, self.syncPassage)
        self.bodyInput.Bind(wx.stc.EVT_STC_START_DRAG, self.prepDrag)
        self.Bind(wx.EVT_CLOSE, self.closeEditor)
        self.Bind(wx.EVT_MENU_OPEN, self.updateSubmenus)
        self.Bind(wx.EVT_UPDATE_UI, self.updateUI)

        if not re.match('Untitled Passage \d+', self.widget.passage.title):
            self.bodyInput.SetFocus()
            self.bodyInput.SetSelection(-1, -1)

        # Hack to force titles (>18 char) to display correctly.
        # NOTE: stops working if moved above bodyInput code.
        self.titleInput.SetInsertionPoint(0)

        self.SetIcon(self.app.icon)
        self.Show(True)

    def title(self, title = None):
        if not title:
            title = self.widget.passage.title
        return title + ' - ' + self.widget.parent.parent.title + ' - ' + self.app.NAME + ' ' + versionString

    def syncInputs(self):
        """Updates the inputs based on the passage's state."""
        self.titleInput.SetValue(self.widget.passage.title)
        self.bodyInput.SetText(self.widget.passage.text)

        tags = ''

        for tag in self.widget.passage.tags:
            tags += tag + ' '

        self.tagsInput.SetValue(tags)
        self.SetTitle(self.title())

    def syncPassage(self, event = None):
        """Updates the passage based on the inputs; asks our matching widget to repaint."""
        title = self.titleInput.GetValue() if len(self.titleInput.GetValue()) > 0 else ""
        title = title.replace('\n','')

        def error():
            self.titleInput.SetBackgroundColour((240,130,130))
            self.titleInput.Refresh()
            self.titleInvalid = True

        if title:
            # Check for title conflict
            otherTitled = self.widget.parent.findWidget(title)
            # WARNING: findWidget returns None if title not found so need to check otherTitled has value.
            if otherTitled and otherTitled is not self.widget:
                self.titleLabel.SetLabel("Title is already in use!")
                error()
            elif self.widget.parent.includedPassageExists(title):
                self.titleLabel.SetLabel("Used by a StoryIncludes file.")
                error()
            elif "|" in title or "]" in title:
                self.titleLabel.SetLabel("No | or ] symbols allowed!")
                error()
            elif title == "StorySettings":
                self.titleLabel.SetLabel("That title is reserved.")
                error()
            else:
                if self.titleInvalid:
                    self.titleLabel.SetLabel(self.TITLE_LABEL)
                    self.titleInput.SetBackgroundColour((255,255,255))
                    self.titleInput.Refresh()
                    self.titleInvalid = True
                self.widget.parent.changeWidgetTitle(self.widget.passage.title, title)

        # Set body text
        self.widget.passage.text = self.bodyInput.GetText()
        # Preserve the special (uneditable) tags
        self.widget.passage.tags = []
        self.widget.clearPaintCache()

        for tag in self.tagsInput.GetValue().split(' '):
            if tag != '' and tag not in TiddlyWiki.SPECIAL_TAGS:
                self.widget.passage.tags.append(tag)
            if tag == "StoryIncludes" and self.widget.parent.parent.autobuildmenuitem.IsChecked():
                self.widget.parent.parent.autoBuildStart()

        self.SetTitle(self.title())

        # immediately mark the story dirty

        self.widget.parent.parent.setDirty(True)

        # reposition if changed size
        self.widget.findSpace()

        # reset redraw timer

        def reallySync(self):
            try:
                self.widget.parent.Refresh()
            except:
                pass

        if self.syncTimer:
            self.syncTimer.cancel()

        self.syncTimer = threading.Timer(PassageFrame.PARENT_SYNC_DELAY, reallySync, [self], {})
        self.syncTimer.start()

        # update links/displays lists
        self.widget.passage.update()

        # change our lexer as necessary

        self.setLexer()

    def openFullscreen(self, event = None):
        """Opens a FullscreenEditFrame for this passage's body text."""
        self.Hide()
        self.fullscreen = FullscreenEditFrame(None, self.app, \
                                              title = self.title(), \
                                              initialText = self.widget.passage.text, \
                                              callback = self.setBodyText, frame = self)

    def offerAssistance(self):
        """
        Offer to fulfill certain incomplete tasks evident from the state of the passage text.
        (Technically, none of this needs to be on passageFrame instead of passageWidget.)
        """

        # Offer to create passage for broken links
        if self.app.config.ReadBool('createPassagePrompt'):
            brokens = [link for link in self.widget.getBrokenLinks() if TweeLexer.linkStyle(link) == TweeLexer.BAD_LINK]
            if brokens :
                if len(brokens) > 1:
                    brokenmsg = 'create ' + str(len(brokens)) + ' new passages to match these broken links?'
                else:
                    brokenmsg = 'create the passage "' + brokens[0] + '"?'
                dialog = wx.MessageDialog(self, 'Do you want to ' + brokenmsg, 'Create Passages', \
                                                  wx.ICON_QUESTION | wx.YES_NO | wx.CANCEL | wx.YES_DEFAULT)
                check = dialog.ShowModal()
                if check == wx.ID_YES:
                    for title in brokens:
                        self.widget.parent.newWidget(title = title, pos = self.widget.parent.toPixels (self.widget.pos))
                elif check == wx.ID_CANCEL:
                    return False

        # Offer to import external images
        if self.app.config.ReadBool('importImagePrompt'):
            regex = tweeregex.EXTERNAL_IMAGE_REGEX
            externalimages = re.finditer(regex, self.widget.passage.text)
            check = None
            downloadedurls = {}
            storyframe = self.widget.parent.parent
            for img in externalimages:
                if not check:
                    dialog = wx.MessageDialog(self, 'Do you want to import the image files linked\nin this passage into the story file?', 'Import Images', \
                                                  wx.ICON_QUESTION | wx.YES_NO | wx.CANCEL | wx.YES_DEFAULT)
                    check = dialog.ShowModal()
                    if check == wx.ID_NO:
                        break
                    elif check == wx.ID_CANCEL:
                        return False
                # Download the image if it's at an absolute URL
                imgurl = img.group(4) or img.group(7)
                if not imgurl:
                    continue
                # If we've downloaded it before, don't do it again
                if imgurl not in downloadedurls:
                    # Internet image, or local image?
                    if isURL(imgurl):
                        imgpassagename = storyframe.importImageURL(imgurl, showdialog=False)
                    else:
                        imgpassagename = storyframe.importImageFile(storyframe.getLocalDir()+os.sep+imgurl, showdialog=False)
                    if not imgpassagename:
                        continue
                    downloadedurls[imgurl] = imgpassagename

            # Replace all found images
            for old, new in downloadedurls.items():
                self.widget.passage.text = re.sub(regex.replace(tweeregex.IMAGE_FILENAME_REGEX, re.escape(old)),
                                                  lambda m: m.group(0).replace(old, new), self.widget.passage.text)

        if self.bodyInput.GetText() != self.widget.passage.text:
            self.bodyInput.SetText(self.widget.passage.text)

        # If it's StoryIncludes, update the links
        if self.widget.passage.title == "StoryIncludes":
            self.widget.parent.refreshIncludedPassageList()

        return True

    def closeEditor(self, event = None):
        """
        Do extra stuff on closing the editor
        """

        # Show warnings, do replacements
        if self.app.config.ReadBool('passageWarnings'):
            if self.widget.verifyPassage(self) == -1: return

        # Do help
        if not self.offerAssistance():
            return

        #Closes this editor's fullscreen counterpart, if any.
        try: self.fullscreen.Destroy()
        except: pass

        self.widget.passage.update()
        event.Skip()

    def openOtherEditor(self, event = None, title = None):
        """
        Opens another passage for editing. If it does not exist, then
        it creates it next to this one and then opens it. You may pass
        this a string title OR an event. If you pass an event, it presumes
        it is a wx.CommandEvent, and uses the exact text of the menu as the title.
        """

        # we seem to be receiving CommandEvents, not MenuEvents,
        # so we can only see menu item IDs
        # unfortunately all our menu items are dynamically generated
        # so we gotta work our way back to a menu name

        if not title: title = self.menus.FindItemById(event.GetId()).GetLabel()

        # check if the passage already exists

        editingWidget = self.widget.parent.findWidget(title)

        if not editingWidget:
            editingWidget = self.widget.parent.newWidget(title = title, pos = self.widget.parent.toPixels (self.widget.pos))

        editingWidget.openEditor()

    def showSearchFrame(self, type):
        """
        Shows a PassageSearchFrame for this frame, creating it if need be.
        The type parameter should be one of the constants defined in
        PassageSearchFrame, e.g. FIND_TAB or REPLACE_TAB.
        """
        if not hasattr(self, 'searchFrame'):
            self.searchFrame = PassageSearchFrame(self, self, self.app, type)
        else:
            try:
                self.searchFrame.Raise()
            except wx._core.PyDeadObjectError:
                # user closed the frame, so we need to recreate it
                delattr(self, 'searchFrame')
                self.showSearchFrame(type)

    def setBodyText(self, text):
        """Changes the body text field directly."""
        self.bodyInput.SetText(text)
        self.Show(True)

    def prepDrag(self, event):
        """
        Tells our StoryPanel about us so that it can tell us what to do in response to
        dropping some text into it.
        """
        event.SetDragAllowMove(True)
        self.widget.parent.textDragSource = self

    def getSelection(self):
        """
        Returns the beginning and end of the selection as a tuple.
        """
        return self.bodyInput.GetSelection()

    def getSelectedText(self):
        """
        Returns the text currently selected.
        """
        return self.bodyInput.GetSelectedText()

    def setSelection(self, range):
        """
        Changes the current selection to the range passed.
        """
        self.bodyInput.SetSelection(range[0], range[1])

    def editSelection(self, event = None):
        """
        If the selection isn't already double-bracketed, then brackets are added.
        If a passage with the selection title doesn't exist, it is created.
        Finally, an editor is opened for the passage.
        """
        rawSelection = self.bodyInput.GetSelectedText()
        title = self.stripCrud(rawSelection)
        if not re.match(r'^\[\[.*\]\]$', rawSelection): self.linkSelection()
        # Eliminate the link text for the two-part link syntax
        title = re.sub(r'^[^\|]*\|', '', title)
        self.openOtherEditor(title = title)
        self.updateSubmenus()

    def linkSelection(self):
        """Transforms the selection into a link by surrounding it with double brackets."""
        selStart = self.bodyInput.GetSelectionStart()
        selEnd = self.bodyInput.GetSelectionEnd()
        self.bodyInput.SetSelection(selStart, selEnd)
        self.bodyInput.ReplaceSelection("[["+self.bodyInput.GetSelectedText()+"]]")

    def findRegexp(self, regexp, flags):
        """
        Selects a regexp in the body text.
        """
        self.lastFindRegexp = regexp
        self.lastFindFlags = flags

        # find the beginning of our search

        text = self.bodyInput.GetText()
        oldSelection = self.bodyInput.GetSelection()

        # try past the selection

        match = re.search(regexp, text[oldSelection[1]:], flags)
        if match:
            self.bodyInput.SetSelection(match.start() + oldSelection[1], match.end() + oldSelection[1])
        else:
            # try before the selection
            match = re.search(regexp, text[:oldSelection[1]], flags)
            if match:
                self.bodyInput.SetSelection(match.start(), match.end())
            else:
                # give up
                dialog = wx.MessageDialog(self, 'The text you entered was not found in this passage.', \
                                          'Not Found', wx.ICON_INFORMATION | wx.OK)
                dialog.ShowModal()

    def findNextRegexp(self, event = None):
        """
        Performs a search for the last regexp that was searched for.
        """
        self.findRegexp(self.lastFindRegexp, self.lastFindFlags)

    def replaceOneRegexp(self, findRegexp, flags, replaceRegexp):
        """
        If the current selection matches the search regexp, a replacement
        is made. Otherwise, it calls findRegexp().
        """
        compiledRegexp = re.compile(findRegexp, flags)
        selectedText = self.bodyInput.GetSelectedText()
        match = re.match(findRegexp, selectedText, flags)

        if match and match.endpos == len(selectedText):
            oldStart = self.bodyInput.GetSelectionStart()
            newText = re.sub(compiledRegexp, replaceRegexp, selectedText)
            self.bodyInput.ReplaceSelection(newText)
            self.bodyInput.SetSelection(oldStart, oldStart + len(newText))
        else:
            # look for the next instance
            self.findRegexp(findRegexp, flags)

    def replaceAllRegexps(self, findRegexp, flags, replaceRegexp):
        """
        Replaces all instances of text in the body text and
        shows the user an alert about how many replacements
        were made.
        """
        replacements = 0
        compiledRegexp = re.compile(findRegexp, flags)

        newText, replacements = re.subn(compiledRegexp, replaceRegexp, self.bodyInput.GetText())
        if replacements > 0: self.bodyInput.SetText(newText)

        message = '%d replacement' % replacements
        if replacements != 1:
            message += 's were '
        else:
            message += ' was '
        message += 'made in this passage.'

        dialog = wx.MessageDialog(self, message, 'Replace Complete', wx.ICON_INFORMATION | wx.OK)
        dialog.ShowModal()

    def stripCrud(self, text):
        """Strips extraneous crud from around text, likely a partial selection of a link."""
        return text.strip(""" "'<>[]""")

    def setCodeLexer(self, css = False):
        """Basic CSS highlighting"""
        monoFont = wx.Font(self.app.config.ReadInt('monospaceFontSize'), wx.MODERN, wx.NORMAL, \
                           wx.NORMAL, False, self.app.config.Read('monospaceFontFace'))
        body = self.bodyInput
        body.StyleSetFont(wx.stc.STC_STYLE_DEFAULT, monoFont)
        body.StyleClearAll()
        if css:
            for i in range(1,17):
                body.StyleSetFont(i, monoFont)
            body.StyleSetForeground(wx.stc.STC_CSS_IMPORTANT, TweeStyler.MACRO_COLOR)
            body.StyleSetForeground(wx.stc.STC_CSS_COMMENT, TweeStyler.COMMENT_COLOR)
            body.StyleSetForeground(wx.stc.STC_CSS_ATTRIBUTE, TweeStyler.GOOD_LINK_COLOR)
            body.StyleSetForeground(wx.stc.STC_CSS_CLASS, TweeStyler.MARKUP_COLOR)
            body.StyleSetForeground(wx.stc.STC_CSS_ID, TweeStyler.MARKUP_COLOR)
            body.StyleSetForeground(wx.stc.STC_CSS_TAG, TweeStyler.PARAM_BOOL_COLOR)
            body.StyleSetForeground(wx.stc.STC_CSS_PSEUDOCLASS, TweeStyler.EXTERNAL_COLOR)
            body.StyleSetForeground(wx.stc.STC_CSS_UNKNOWN_PSEUDOCLASS, TweeStyler.EXTERNAL_COLOR)
            body.StyleSetForeground(wx.stc.STC_CSS_DIRECTIVE, TweeStyler.PARAM_VAR_COLOR)
            body.StyleSetForeground(wx.stc.STC_CSS_UNKNOWN_IDENTIFIER, TweeStyler.GOOD_LINK_COLOR)

            for i in [wx.stc.STC_CSS_CLASS, wx.stc.STC_CSS_ID, wx.stc.STC_CSS_TAG,
                      wx.stc.STC_CSS_PSEUDOCLASS, wx.stc.STC_CSS_OPERATOR, wx.stc.STC_CSS_IMPORTANT,
                      wx.stc.STC_CSS_UNKNOWN_PSEUDOCLASS, wx.stc.STC_CSS_DIRECTIVE]:
                body.StyleSetBold(i, True)

    def setLexer(self):
        """
        Sets our custom lexer for the body input so long as the passage
        is part of the story.
        """
        oldLexing = self.usingLexer

        if self.widget.passage.isStylesheet():
            if oldLexing != self.LEXER_CSS:
                self.setCodeLexer(css = True)
                self.usingLexer = self.LEXER_CSS
                self.bodyInput.SetLexer(wx.stc.STC_LEX_CSS)
        elif not self.widget.passage.isStoryText() and not self.widget.passage.isAnnotation():
            if oldLexing != self.LEXER_NONE:
                self.usingLexer = self.LEXER_NONE
                self.setCodeLexer()
                self.bodyInput.SetLexer(wx.stc.STC_LEX_NULL)
        elif oldLexing != self.LEXER_NORMAL:
            self.usingLexer = self.LEXER_NORMAL
            self.bodyInput.SetLexer(wx.stc.STC_LEX_CONTAINER)

        if oldLexing != self.usingLexer:
            if self.usingLexer == self.LEXER_NORMAL:
                self.lexer.initStyles()
            self.bodyInput.Colourise(0, len(self.bodyInput.GetText()))

    def updateUI(self, event):
        """Updates menus."""

        # basic edit menus

        undoItem = self.menus.FindItemById(wx.ID_UNDO)
        undoItem.Enable(self.bodyInput.CanUndo())

        redoItem = self.menus.FindItemById(wx.ID_REDO)
        redoItem.Enable(self.bodyInput.CanRedo())

        hasSelection = self.bodyInput.GetSelectedText() != ''

        cutItem = self.menus.FindItemById(wx.ID_CUT)
        cutItem.Enable(hasSelection)
        copyItem = self.menus.FindItemById(wx.ID_COPY)
        copyItem.Enable(hasSelection)

        pasteItem = self.menus.FindItemById(wx.ID_PASTE)
        pasteItem.Enable(self.bodyInput.CanPaste())

        # find/replace

        findNextItem = self.menus.FindItemById(PassageFrame.EDIT_FIND_NEXT)
        findNextItem.Enable(self.lastFindRegexp is not None)

        # link selected text menu item

        editSelected = self.menus.FindItemById(PassageFrame.PASSAGE_EDIT_SELECTION)
        selection = self.bodyInput.GetSelectedText()

        if selection != '':
            if not re.match(r'^\[\[.*\]\]$', selection):
                if len(selection) < 25:
                    editSelected.SetText('Create &Link "' + selection + '"\tCtrl-L')
                else:
                    editSelected.SetText('Create &Link From Selected Text\tCtrl-L')
            else:
                if len(selection) < 25:
                    editSelected.SetText('&Edit Passage "' + self.stripCrud(selection) + '"\tCtrl-L')
                else:
                    editSelected.SetText('&Edit Passage From Selected Text\tCtrl-L')
            editSelected.Enable(True)
        else:
            editSelected.SetText('Create &Link From Selected Text\tCtrl-L')
            editSelected.Enable(False)

    def updateSubmenus(self, event = None):
        """
        Updates our passage menus. This should be called sparingly, i.e. not during
        a UI update event, as it is doing a bunch of removing and adding of items.
        """

        # separate outgoing and broken links

        outgoing = []
        incoming = []
        broken = []

        # Remove externals

        for link in self.widget.passage.links:
            if len(link) > 0 and TweeLexer.linkStyle(link) == TweeLexer.BAD_LINK:
                if link in self.widget.parent.widgetDict:
                    outgoing.append(link)
                elif not self.widget.parent.includedPassageExists(link):
                    broken.append(link)

        # incoming links

        for widget in self.widget.parent.widgetDict.values():
            if self.widget.passage.title in widget.passage.links \
            and len(widget.passage.title) > 0:
                incoming.append(widget.passage.title)

        # repopulate the menus

        def populate(menu, links):
            for item in menu.GetMenuItems():
                menu.DeleteItem(item)

            if len(links):
                for link in links:
                    item = menu.Append(-1, link)
                    self.Bind(wx.EVT_MENU, self.openOtherEditor, item)
            else:
                item = menu.Append(wx.ID_ANY, '(None)')
                item.Enable(False)

        outTitle = 'Outgoing Links'
        if len(outgoing) > 0: outTitle += ' (' + str(len(outgoing)) + ')'
        self.outLinksMenuTitle.SetText(outTitle)
        populate(self.outLinksMenu, outgoing)

        inTitle = 'Incoming Links'
        if len(incoming) > 0: inTitle += ' (' + str(len(incoming)) + ')'
        self.inLinksMenuTitle.SetText(inTitle)
        populate(self.inLinksMenu, incoming)

        brokenTitle = 'Broken Links'
        if len(broken) > 0: brokenTitle += ' (' + str(len(broken)) + ')'
        self.brokenLinksMenuTitle.SetText(brokenTitle)
        populate(self.brokenLinksMenu, broken)

    def applyPrefs(self):
        """Applies user prefs to this frame."""
        bodyFont = wx.Font(self.app.config.ReadInt('windowedFontSize'), wx.MODERN, wx.NORMAL,
                           wx.NORMAL, False, self.app.config.Read('windowedFontFace'))
        defaultStyle = self.bodyInput.GetStyleAt(0)
        self.bodyInput.StyleSetFont(defaultStyle, bodyFont)
        if hasattr(self, 'lexer'): self.lexer.initStyles()

    def __repr__(self):
        return "<PassageFrame '" + self.widget.passage.title + "'>"

    def getHeader(self):
        """Returns the current selected target header for this Passage Frame."""
        return self.widget.getHeader()

    # timing constants

    PARENT_SYNC_DELAY = 0.5

    # control constants

    DEFAULT_SIZE = (550, 600)
    TITLE_LABEL = 'Title'
    TAGS_LABEL = 'Tags (separate with spaces)'

    # menu constants (not defined by wx)

    EDIT_FIND_NEXT = 2001
    [PASSAGE_FULLSCREEN, PASSAGE_EDIT_SELECTION, PASSAGE_REBUILD_STORY, PASSAGE_TEST_HERE, PASSAGE_VERIFY] = list(range(1001,1006))
    [HELP1, HELP2, HELP3, HELP4, HELP5] = list(range(3001,3006))

    [LEXER_NONE, LEXER_NORMAL, LEXER_CSS] = list(range(0,3))