wxPython/wx/py/crust.py

   1 """Crust combines the shell and filling into one control."""
   2
   3 __author__ = "Patrick K. O'Brien <pobrien@orbtech.com>"
   4 __cvsid__ = "$Id$"
   5 __revision__ = "$Revision$"[11:-2]
   6
   7 import wx
   8
   9 import os
  10 import pprint
  11 import sys
  12
  13 import dispatcher
  14 import editwindow
  15 from filling import Filling
  16 import frame
  17 from shell import Shell
  18 from version import VERSION
  19
  20 try:
  21     True
  22 except NameError:
  23     True = 1==1
  24     False = 1==0
  25
  26
  27 class Crust(wx.SplitterWindow):
  28     """Crust based on SplitterWindow."""
  29
  30     name = 'Crust'
  31     revision = __revision__
  32
  33     def __init__(self, parent, id=-1, pos=wx.DefaultPosition,
  34                  size=wx.DefaultSize, style=wx.SP_3D,
  35                  name='Crust Window', rootObject=None, rootLabel=None,
  36                  rootIsNamespace=True, intro='', locals=None,
  37                  InterpClass=None, *args, **kwds):
  38         """Create Crust instance."""
  39         wx.SplitterWindow.__init__(self, parent, id, pos, size, style, name)
  40         self.shell = Shell(parent=self, introText=intro,
  41                            locals=locals, InterpClass=InterpClass,
  42                            *args, **kwds)
  43         self.editor = self.shell
  44         if rootObject is None:
  45             rootObject = self.shell.interp.locals
  46         self.notebook = wx.Notebook(parent=self, id=-1)
  47         self.shell.interp.locals['notebook'] = self.notebook
  48         self.filling = Filling(parent=self.notebook,
  49                                rootObject=rootObject,
  50                                rootLabel=rootLabel,
  51                                rootIsNamespace=rootIsNamespace)
  52         # Add 'filling' to the interpreter's locals.
  53         self.shell.interp.locals['filling'] = self.filling
  54         self.notebook.AddPage(page=self.filling, text='Namespace', select=True)
  55         self.display = Display(parent=self.notebook)
  56         self.notebook.AddPage(page=self.display, text='Display')
  57         # Add 'pp' (pretty print) to the interpreter's locals.
  58         self.shell.interp.locals['pp'] = self.display.setItem
  59         self.calltip = Calltip(parent=self.notebook)
  60         self.notebook.AddPage(page=self.calltip, text='Calltip')
  61         self.sessionlisting = SessionListing(parent=self.notebook)
  62         self.notebook.AddPage(page=self.sessionlisting, text='Session')
  63         self.dispatcherlisting = DispatcherListing(parent=self.notebook)
  64         self.notebook.AddPage(page=self.dispatcherlisting, text='Dispatcher')
  65 ##         from wxd import wx_
  66 ##         self.wxdocs = Filling(parent=self.notebook,
  67 ##                               rootObject=wx_,
  68 ##                               rootLabel='wx',
  69 ##                               rootIsNamespace=False,
  70 ##                               static=True)
  71 ##         self.notebook.AddPage(page=self.wxdocs, text='wxPython Docs')
  72 ##         from wxd import stc_
  73 ##         self.stcdocs = Filling(parent=self.notebook,
  74 ##                                rootObject=stc_.StyledTextCtrl,
  75 ##                                rootLabel='StyledTextCtrl',
  76 ##                                rootIsNamespace=False,
  77 ##                                static=True)
  78 ##         self.notebook.AddPage(page=self.stcdocs, text='StyledTextCtrl Docs')
  79         self.SplitHorizontally(self.shell, self.notebook, 300)
  80         self.SetMinimumPaneSize(1)
  81
  82
  83 class Display(editwindow.EditWindow):
  84     """STC used to display an object using Pretty Print."""
  85
  86     def __init__(self, parent, id=-1, pos=wx.DefaultPosition,
  87                  size=wx.DefaultSize,
  88                  style=wx.CLIP_CHILDREN | wx.SUNKEN_BORDER,
  89                  static=False):
  90         """Create Display instance."""
  91         editwindow.EditWindow.__init__(self, parent, id, pos, size, style)
  92         # Configure various defaults and user preferences.
  93         self.SetReadOnly(True)
  94         self.SetWrapMode(False)
  95         if not static:
  96             dispatcher.connect(receiver=self.push, signal='Interpreter.push')
  97
  98     def push(self, command, more):
  99         """Receiver for Interpreter.push signal."""
 100         self.Refresh()
 101
 102     def Refresh(self):
 103         if not hasattr(self, "item"):
 104             return
 105         self.SetReadOnly(False)
 106         text = pprint.pformat(self.item)
 107         self.SetText(text)
 108         self.SetReadOnly(True)
 109
 110     def setItem(self, item):
 111         """Set item to pretty print in the notebook Display tab."""
 112         self.item = item
 113         self.Refresh()
 114
 115
 116 class Calltip(wx.TextCtrl):
 117     """Text control containing the most recent shell calltip."""
 118
 119     def __init__(self, parent=None, id=-1):
 120         style = wx.TE_MULTILINE | wx.TE_READONLY | wx.TE_RICH2
 121         wx.TextCtrl.__init__(self, parent=parent, id=id, style=style)
 122         self.SetBackgroundColour(wx.Colour(255, 255, 232))
 123         dispatcher.connect(receiver=self.display, signal='Shell.calltip')
 124
 125     def display(self, calltip):
 126         """Receiver for Shell.calltip signal."""
 127         self.SetValue(calltip)
 128
 129
 130 class SessionListing(wx.TextCtrl):
 131     """Text control containing all commands for session."""
 132
 133     def __init__(self, parent=None, id=-1):
 134         style = wx.TE_MULTILINE | wx.TE_READONLY | \
 135                 wx.TE_RICH2 | wx.TE_DONTWRAP
 136         wx.TextCtrl.__init__(self, parent=parent, id=id, style=style)
 137         dispatcher.connect(receiver=self.push, signal='Interpreter.push')
 138
 139     def push(self, command, more):
 140         """Receiver for Interpreter.push signal."""
 141         if command and not more:
 142             self.SetInsertionPointEnd()
 143             start, end = self.GetSelection()
 144             if start != end:
 145                 self.SetSelection(0, 0)
 146             self.AppendText(command + '\n')
 147
 148
 149 class DispatcherListing(wx.TextCtrl):
 150     """Text control containing all dispatches for session."""
 151
 152     def __init__(self, parent=None, id=-1):
 153         style = wx.TE_MULTILINE | wx.TE_READONLY | \
 154                 wx.TE_RICH2 | wx.TE_DONTWRAP
 155         wx.TextCtrl.__init__(self, parent=parent, id=id, style=style)
 156         dispatcher.connect(receiver=self.spy)
 157
 158     def spy(self, signal, sender):
 159         """Receiver for Any signal from Any sender."""
 160         text = '%r from %s' % (signal, sender)
 161         self.SetInsertionPointEnd()
 162         start, end = self.GetSelection()
 163         if start != end:
 164             self.SetSelection(0, 0)
 165         self.AppendText(text + '\n')
 166
 167
 168 class CrustFrame(frame.Frame):
 169     """Frame containing all the PyCrust components."""
 170
 171     name = 'CrustFrame'
 172     revision = __revision__
 173
 174     def __init__(self, parent=None, id=-1, title='PyCrust',
 175                  pos=wx.DefaultPosition, size=wx.DefaultSize,
 176                  style=wx.DEFAULT_FRAME_STYLE,
 177                  rootObject=None, rootLabel=None, rootIsNamespace=True,
 178                  locals=None, InterpClass=None, *args, **kwds):
 179         """Create CrustFrame instance."""
 180         frame.Frame.__init__(self, parent, id, title, pos, size, style)
 181         intro = 'PyCrust %s - The Flakiest Python Shell' % VERSION
 182         intro += '\nSponsored by Orbtech - '
 183         intro += 'Your source for Python programming expertise.'
 184         self.SetStatusText(intro.replace('\n', ', '))
 185         self.crust = Crust(parent=self, intro=intro,
 186                            rootObject=rootObject,
 187                            rootLabel=rootLabel,
 188                            rootIsNamespace=rootIsNamespace,
 189                            locals=locals,
 190                            InterpClass=InterpClass, *args, **kwds)
 191         self.shell = self.crust.shell
 192         # Override the filling so that status messages go to the status bar.
 193         self.crust.filling.tree.setStatusText = self.SetStatusText
 194         # Override the shell so that status messages go to the status bar.
 195         self.shell.setStatusText = self.SetStatusText
 196         # Fix a problem with the sash shrinking to nothing.
 197         self.crust.filling.SetSashPosition(200)
 198         # Set focus to the shell editor.
 199         self.shell.SetFocus()
 200
 201     def OnClose(self, event):
 202         """Event handler for closing."""
 203         self.crust.shell.destroy()
 204         self.Destroy()
 205
 206     def OnAbout(self, event):
 207         """Display an About window."""
 208         title = 'About PyCrust'
 209         text = 'PyCrust %s\n\n' % VERSION + \
 210                'Yet another Python shell, only flakier.\n\n' + \
 211                'Half-baked by Patrick K. O\'Brien,\n' + \
 212                'the other half is still in the oven.\n\n' + \
 213                'Shell Revision: %s\n' % self.shell.revision + \
 214                'Interpreter Revision: %s\n\n' % self.shell.interp.revision + \
 215                'Python Version: %s\n' % sys.version.split()[0] + \
 216                'wxPython Version: %s\n' % wx.VERSION_STRING + \
 217                'Platform: %s\n' % sys.platform
 218         dialog = wx.MessageDialog(self, text, title,
 219                                   wx.OK | wx.ICON_INFORMATION)
 220         dialog.ShowModal()
 221         dialog.Destroy()