wxPython/wxPython/lib/PyCrust/PyCrust.py

   1 #!/usr/bin/env python
   2 """PyCrust is a python shell application.
   3 """
   4
   5 __author__ = "Patrick K. O'Brien <pobrien@orbtech.com>"
   6 __cvsid__ = "$Id$"
   7 __date__ = "July 1, 2001"
   8 __version__ = "$Revision$"[11:-2]
   9
  10 from wxPython.wx import *
  11
  12 from PyCrustVersion import version
  13 from PyCrustShell import Shell
  14
  15
  16 class Frame(wxFrame):
  17     """Main window for the PyCrust application."""
  18     def __init__(self, parent, id, title):
  19         """Create the main frame object for the application."""
  20         wxFrame.__init__(self, parent, id, title)
  21         intro = 'Welcome To PyCrust %s - The Flakiest Python Shell' % version
  22         self.CreateStatusBar()
  23         self.SetStatusText(intro)
  24         self.createMenus()
  25         # Create the shell, which will create a default editor and
  26         # a default interpreter.
  27         self.shell = Shell(editorParent=self, introText=intro)
  28         # Override the editor so that status messages go to the status bar.
  29         self.shell.editor.setStatusText = self.SetStatusText
  30
  31     def createMenus(self):
  32         m = self.fileMenu = wxMenu()
  33         m.AppendSeparator()
  34         m.Append(wxID_EXIT, 'E&xit', 'Exit PyCrust')
  35
  36         m = self.editMenu = wxMenu()
  37         m.Append(wxID_UNDO, '&Undo \tCtrl+Z', 'Undo the last action')
  38         m.Append(wxID_REDO, '&Redo \tCtrl+Y', 'Redo the last undone action')
  39         m.AppendSeparator()
  40         m.Append(wxID_CUT, 'Cu&t \tCtrl+X', 'Cut the selection')
  41         m.Append(wxID_COPY, '&Copy \tCtrl+C', 'Copy the selection')
  42         m.Append(wxID_PASTE, '&Paste \tCtrl+V', 'Paste')
  43         m.AppendSeparator()
  44         m.Append(wxID_CLEAR, 'Cle&ar \tDel', 'Delete the selection')
  45         m.Append(wxID_SELECTALL, 'Select A&ll \tCtrl+A', 'Select all text')
  46
  47         m = self.helpMenu = wxMenu()
  48         m.AppendSeparator()
  49         m.Append(wxID_ABOUT, '&About...', 'About PyCrust')
  50
  51         b = self.menuBar = wxMenuBar()
  52         b.Append(self.fileMenu, '&File')
  53         b.Append(self.editMenu, '&Edit')
  54         b.Append(self.helpMenu, '&Help')
  55         self.SetMenuBar(b)
  56
  57         EVT_MENU(self, wxID_EXIT, self.OnExit)
  58         EVT_MENU(self, wxID_UNDO, self.OnUndo)
  59         EVT_MENU(self, wxID_REDO, self.OnRedo)
  60         EVT_MENU(self, wxID_CUT, self.OnCut)
  61         EVT_MENU(self, wxID_COPY, self.OnCopy)
  62         EVT_MENU(self, wxID_PASTE, self.OnPaste)
  63         EVT_MENU(self, wxID_CLEAR, self.OnClear)
  64         EVT_MENU(self, wxID_SELECTALL, self.OnSelectAll)
  65         EVT_MENU(self, wxID_ABOUT, self.OnAbout)
  66
  67         EVT_UPDATE_UI(self, wxID_UNDO, self.OnUpdateMenu)
  68         EVT_UPDATE_UI(self, wxID_REDO, self.OnUpdateMenu)
  69         EVT_UPDATE_UI(self, wxID_CUT, self.OnUpdateMenu)
  70         EVT_UPDATE_UI(self, wxID_COPY, self.OnUpdateMenu)
  71         EVT_UPDATE_UI(self, wxID_PASTE, self.OnUpdateMenu)
  72         EVT_UPDATE_UI(self, wxID_CLEAR, self.OnUpdateMenu)
  73
  74     def OnExit(self, event):
  75         self.Close(true)
  76
  77     def OnUndo(self, event):
  78         self.shell.editor.Undo()
  79
  80     def OnRedo(self, event):
  81         self.shell.editor.Redo()
  82
  83     def OnCut(self, event):
  84         self.shell.editor.Cut()
  85
  86     def OnCopy(self, event):
  87         self.shell.editor.Copy()
  88
  89     def OnPaste(self, event):
  90         self.shell.editor.Paste()
  91
  92     def OnClear(self, event):
  93         self.shell.editor.Clear()
  94
  95     def OnSelectAll(self, event):
  96         self.shell.editor.SelectAll()
  97
  98     def OnAbout(self, event):
  99         """Display an About PyCrust window."""
 100         title = 'About PyCrust'
 101         text = 'PyCrust %s\n\n' % version + \
 102                'Yet another Python shell, only flakier.\n\n' + \
 103                'Half-baked by Patrick K. O\'Brien,\n' + \
 104                'the other half is still in the oven.'
 105         dialog = wxMessageDialog(self, text, title, wxOK | wxICON_INFORMATION)
 106         dialog.ShowModal()
 107         dialog.Destroy()
 108
 109     def OnUpdateMenu(self, event):
 110         """Update menu items based on which should be enabled/disabled."""
 111         id = event.GetId()
 112         if id == wxID_UNDO:
 113             event.Enable(self.shell.editor.CanUndo())
 114         elif id == wxID_REDO:
 115             event.Enable(self.shell.editor.CanRedo())
 116         elif id == wxID_CUT:
 117             event.Enable(self.shell.editor.CanCut())
 118         elif id == wxID_COPY:
 119             event.Enable(self.shell.editor.CanCopy())
 120         elif id == wxID_PASTE:
 121             event.Enable(self.shell.editor.CanPaste())
 122         elif id == wxID_CLEAR:
 123             event.Enable(self.shell.editor.CanCut())
 124
 125
 126 class App(wxApp):
 127     def OnInit(self):
 128         parent = None
 129         id = -1
 130         title = 'PyCrust'
 131         self.frame = Frame(parent, id, title)
 132         self.frame.Show(true)
 133         self.SetTopWindow(self.frame)
 134         return true
 135
 136
 137 def main():
 138     import sys
 139     application = App(0)
 140     # Add the application object to the sys module's namespace.
 141     # This allows a shell user to do:
 142     # >>> import sys
 143     # >>> sys.application.whatever
 144     sys.application = application
 145     application.MainLoop()
 146
 147 if __name__ == '__main__':
 148     main()