"""Base frame with menu."""

__author__ = "Patrick K. O'Brien <pobrien@orbtech.com>"
__cvsid__ = "$Id$"
__revision__ = "$Revision$"[11:-2]

import wx
from version import VERSION

try:
    True
except NameError:
    True = 1==1
    False = 1==0

ID_NEW = wx.ID_NEW
ID_OPEN = wx.ID_OPEN
ID_REVERT = wx.ID_REVERT
ID_CLOSE = wx.ID_CLOSE
ID_SAVE = wx.ID_SAVE
ID_SAVEAS = wx.ID_SAVEAS
ID_PRINT = wx.ID_PRINT
ID_EXIT = wx.ID_EXIT
ID_UNDO = wx.ID_UNDO
ID_REDO = wx.ID_REDO
ID_CUT = wx.ID_CUT
ID_COPY = wx.ID_COPY
ID_PASTE = wx.ID_PASTE
ID_CLEAR = wx.ID_CLEAR
ID_SELECTALL = wx.ID_SELECTALL
ID_ABOUT = wx.ID_ABOUT
ID_AUTOCOMP = wx.NewId()
ID_AUTOCOMP_SHOW = wx.NewId()
ID_AUTOCOMP_MAGIC = wx.NewId()
ID_AUTOCOMP_SINGLE = wx.NewId()
ID_AUTOCOMP_DOUBLE = wx.NewId()
ID_CALLTIPS = wx.NewId()
ID_CALLTIPS_SHOW = wx.NewId()
ID_COPY_PLUS = wx.NewId()
ID_NAMESPACE = wx.NewId()
ID_PASTE_PLUS = wx.NewId()
ID_WRAP = wx.NewId()


class Frame(wx.Frame):
    """Frame with standard menu items."""

    revision = __revision__

    def __init__(self, parent=None, id=-1, title='Editor',
                 pos=wx.DefaultPosition, size=wx.DefaultSize, 
                 style=wx.DEFAULT_FRAME_STYLE):
        """Create a Frame instance."""
        wx.Frame.__init__(self, parent, id, title, pos, size, style)
        self.CreateStatusBar()
        self.SetStatusText('Frame')
        import images
        self.SetIcon(images.getPyIcon())
        self.__createMenus()
        wx.EVT_CLOSE(self, self.OnClose)

    def OnClose(self, event):
        """Event handler for closing."""
        self.Destroy()

    def __createMenus(self):
        m = self.fileMenu = wx.Menu()
        m.Append(ID_NEW, '&New \tCtrl+N',
                 'New file')
        m.Append(ID_OPEN, '&Open... \tCtrl+O',
                 'Open file')
        m.AppendSeparator()
        m.Append(ID_REVERT, '&Revert \tCtrl+R',
                 'Revert to last saved version')
        m.Append(ID_CLOSE, '&Close \tCtrl+W',
                 'Close file')
        m.AppendSeparator()
        m.Append(ID_SAVE, '&Save... \tCtrl+S',
                 'Save file')
        m.Append(ID_SAVEAS, 'Save &As \tShift+Ctrl+S',
                 'Save file with new name')
        m.AppendSeparator()
        m.Append(ID_PRINT, '&Print... \tCtrl+P',
                 'Print file')
        m.AppendSeparator()
        m.Append(ID_NAMESPACE, '&Update Namespace \tShift+Ctrl+N',
                 'Update namespace for autocompletion and calltips')
        m.AppendSeparator()
        m.Append(ID_EXIT, 'E&xit', 'Exit Program')

        m = self.editMenu = wx.Menu()
        m.Append(ID_UNDO, '&Undo \tCtrl+Z',
                 'Undo the last action')
        m.Append(ID_REDO, '&Redo \tCtrl+Y',
                 'Redo the last undone action')
        m.AppendSeparator()
        m.Append(ID_CUT, 'Cu&t \tCtrl+X',
                 'Cut the selection')
        m.Append(ID_COPY, '&Copy \tCtrl+C',
                 'Copy the selection')
        m.Append(ID_COPY_PLUS, 'Cop&y Plus \tShift+Ctrl+C',
                 'Copy the selection - retaining prompts')
        m.Append(ID_PASTE, '&Paste \tCtrl+V', 'Paste from clipboard')
        m.Append(ID_PASTE_PLUS, 'Past&e Plus \tShift+Ctrl+V',
                 'Paste and run commands')
        m.AppendSeparator()
        m.Append(ID_CLEAR, 'Cle&ar',
                 'Delete the selection')
        m.Append(ID_SELECTALL, 'Select A&ll \tCtrl+A',
                 'Select all text')

        m = self.autocompMenu = wx.Menu()
        m.Append(ID_AUTOCOMP_SHOW, 'Show Auto Completion',
                 'Show auto completion list', 1)
        m.Append(ID_AUTOCOMP_MAGIC, 'Include Magic Attributes',
                 'Include attributes visible to __getattr__ and __setattr__',
                 1)
        m.Append(ID_AUTOCOMP_SINGLE, 'Include Single Underscores',
                 'Include attibutes prefixed by a single underscore', 1)
        m.Append(ID_AUTOCOMP_DOUBLE, 'Include Double Underscores',
                 'Include attibutes prefixed by a double underscore', 1)

        m = self.calltipsMenu = wx.Menu()
        m.Append(ID_CALLTIPS_SHOW, 'Show Call Tips',
                 'Show call tips with argument signature and docstring', 1)

        m = self.optionsMenu = wx.Menu()
        m.AppendMenu(ID_AUTOCOMP, '&Auto Completion', self.autocompMenu,
                     'Auto Completion Options')
        m.AppendMenu(ID_CALLTIPS, '&Call Tips', self.calltipsMenu,
                     'Call Tip Options')
        m.Append(ID_WRAP, '&Wrap Lines',
                 'Wrap lines at right edge', 1)

        m = self.helpMenu = wx.Menu()
        m.AppendSeparator()
        m.Append(ID_ABOUT, '&About...', 'About this program')

        b = self.menuBar = wx.MenuBar()
        b.Append(self.fileMenu, '&File')
        b.Append(self.editMenu, '&Edit')
        b.Append(self.optionsMenu, '&Options')
        b.Append(self.helpMenu, '&Help')
        self.SetMenuBar(b)

        wx.EVT_MENU(self, ID_NEW, self.OnFileNew)
        wx.EVT_MENU(self, ID_OPEN, self.OnFileOpen)
        wx.EVT_MENU(self, ID_REVERT, self.OnFileRevert)
        wx.EVT_MENU(self, ID_CLOSE, self.OnFileClose)
        wx.EVT_MENU(self, ID_SAVE, self.OnFileSave)
        wx.EVT_MENU(self, ID_SAVEAS, self.OnFileSaveAs)
        wx.EVT_MENU(self, ID_NAMESPACE, self.OnFileUpdateNamespace)
        wx.EVT_MENU(self, ID_PRINT, self.OnFilePrint)
        wx.EVT_MENU(self, ID_EXIT, self.OnExit)
        wx.EVT_MENU(self, ID_UNDO, self.OnUndo)
        wx.EVT_MENU(self, ID_REDO, self.OnRedo)
        wx.EVT_MENU(self, ID_CUT, self.OnCut)
        wx.EVT_MENU(self, ID_COPY, self.OnCopy)
        wx.EVT_MENU(self, ID_COPY_PLUS, self.OnCopyPlus)
        wx.EVT_MENU(self, ID_PASTE, self.OnPaste)
        wx.EVT_MENU(self, ID_PASTE_PLUS, self.OnPastePlus)
        wx.EVT_MENU(self, ID_CLEAR, self.OnClear)
        wx.EVT_MENU(self, ID_SELECTALL, self.OnSelectAll)
        wx.EVT_MENU(self, ID_ABOUT, self.OnAbout)
        wx.EVT_MENU(self, ID_AUTOCOMP_SHOW, self.OnAutoCompleteShow)
        wx.EVT_MENU(self, ID_AUTOCOMP_MAGIC, self.OnAutoCompleteMagic)
        wx.EVT_MENU(self, ID_AUTOCOMP_SINGLE, self.OnAutoCompleteSingle)
        wx.EVT_MENU(self, ID_AUTOCOMP_DOUBLE, self.OnAutoCompleteDouble)
        wx.EVT_MENU(self, ID_CALLTIPS_SHOW, self.OnCallTipsShow)
        wx.EVT_MENU(self, ID_WRAP, self.OnWrap)

        wx.EVT_UPDATE_UI(self, ID_NEW, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_OPEN, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_REVERT, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_CLOSE, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_SAVE, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_SAVEAS, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_NAMESPACE, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_PRINT, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_UNDO, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_REDO, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_CUT, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_COPY, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_COPY_PLUS, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_PASTE, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_PASTE_PLUS, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_CLEAR, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_SELECTALL, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_AUTOCOMP_SHOW, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_AUTOCOMP_MAGIC, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_AUTOCOMP_SINGLE, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_AUTOCOMP_DOUBLE, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_CALLTIPS_SHOW, self.OnUpdateMenu)
        wx.EVT_UPDATE_UI(self, ID_WRAP, self.OnUpdateMenu)

    def OnFileNew(self, event):
        self.bufferNew()

    def OnFileOpen(self, event):
        self.bufferOpen()

    def OnFileRevert(self, event):
        self.bufferRevert()

    def OnFileClose(self, event):
        self.bufferClose()

    def OnFileSave(self, event):
        self.bufferSave()

    def OnFileSaveAs(self, event):
        self.bufferSaveAs()

    def OnFileUpdateNamespace(self, event):
        self.updateNamespace()

    def OnFilePrint(self, event):
        self.bufferPrint()

    def OnExit(self, event):
        self.Close(False)

    def OnUndo(self, event):
        win = wx.Window_FindFocus()
        win.Undo()

    def OnRedo(self, event):
        win = wx.Window_FindFocus()
        win.Redo()

    def OnCut(self, event):
        win = wx.Window_FindFocus()
        win.Cut()

    def OnCopy(self, event):
        win = wx.Window_FindFocus()
        win.Copy()

    def OnCopyPlus(self, event):
        win = wx.Window_FindFocus()
        win.CopyWithPrompts()

    def OnPaste(self, event):
        win = wx.Window_FindFocus()
        win.Paste()

    def OnPastePlus(self, event):
        win = wx.Window_FindFocus()
        win.PasteAndRun()

    def OnClear(self, event):
        win = wx.Window_FindFocus()
        win.Clear()

    def OnSelectAll(self, event):
        win = wx.Window_FindFocus()
        win.SelectAll()

    def OnAbout(self, event):
        """Display an About window."""
        title = 'About'
        text = 'Your message here.'
        dialog = wx.MessageDialog(self, text, title,
                                  wx.OK | wx.ICON_INFORMATION)
        dialog.ShowModal()
        dialog.Destroy()

    def OnAutoCompleteShow(self, event):
        win = wx.Window_FindFocus()
        win.autoComplete = event.IsChecked()

    def OnAutoCompleteMagic(self, event):
        win = wx.Window_FindFocus()
        win.autoCompleteIncludeMagic = event.IsChecked()

    def OnAutoCompleteSingle(self, event):
        win = wx.Window_FindFocus()
        win.autoCompleteIncludeSingle = event.IsChecked()

    def OnAutoCompleteDouble(self, event):
        win = wx.Window_FindFocus()
        win.autoCompleteIncludeDouble = event.IsChecked()

    def OnCallTipsShow(self, event):
        win = wx.Window_FindFocus()
        win.autoCallTip = event.IsChecked()

    def OnWrap(self, event):
        win = wx.Window_FindFocus()
        win.SetWrapMode(event.IsChecked())

    def OnUpdateMenu(self, event):
        """Update menu items based on current status and context."""
        win = wx.Window_FindFocus()
        id = event.GetId()
        event.Enable(True)
        try:
            if id == ID_NEW:
                event.Enable(hasattr(self, 'bufferNew'))
            elif id == ID_OPEN:
                event.Enable(hasattr(self, 'bufferOpen'))
            elif id == ID_REVERT:
                event.Enable(hasattr(self, 'bufferRevert')
                             and self.hasBuffer())
            elif id == ID_CLOSE:
                event.Enable(hasattr(self, 'bufferClose')
                             and self.hasBuffer())
            elif id == ID_SAVE:
                event.Enable(hasattr(self, 'bufferSave')
                             and self.bufferHasChanged())
            elif id == ID_SAVEAS:
                event.Enable(hasattr(self, 'bufferSaveAs')
                             and self.hasBuffer())
            elif id == ID_NAMESPACE:
                event.Enable(hasattr(self, 'updateNamespace')
                             and self.hasBuffer())
            elif id == ID_PRINT:
                event.Enable(hasattr(self, 'bufferPrint')
                             and self.hasBuffer())
            elif id == ID_UNDO:
                event.Enable(win.CanUndo())
            elif id == ID_REDO:
                event.Enable(win.CanRedo())
            elif id == ID_CUT:
                event.Enable(win.CanCut())
            elif id == ID_COPY:
                event.Enable(win.CanCopy())
            elif id == ID_COPY_PLUS:
                event.Enable(win.CanCopy() and hasattr(win, 'CopyWithPrompts'))
            elif id == ID_PASTE:
                event.Enable(win.CanPaste())
            elif id == ID_PASTE_PLUS:
                event.Enable(win.CanPaste() and hasattr(win, 'PasteAndRun'))
            elif id == ID_CLEAR:
                event.Enable(win.CanCut())
            elif id == ID_SELECTALL:
                event.Enable(hasattr(win, 'SelectAll'))
            elif id == ID_AUTOCOMP_SHOW:
                event.Check(win.autoComplete)
            elif id == ID_AUTOCOMP_MAGIC:
                event.Check(win.autoCompleteIncludeMagic)
            elif id == ID_AUTOCOMP_SINGLE:
                event.Check(win.autoCompleteIncludeSingle)
            elif id == ID_AUTOCOMP_DOUBLE:
                event.Check(win.autoCompleteIncludeDouble)
            elif id == ID_CALLTIPS_SHOW:
                event.Check(win.autoCallTip)
            elif id == ID_WRAP:
                event.Check(win.GetWrapMode())
            else:
                event.Enable(False)
        except AttributeError:
            # This menu option is not supported in the current context.
            event.Enable(False)