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, 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)  # Caused refresh problem on Windows.
 128         self.Clear()
 129         self.AppendText(calltip)
 130
 131
 132 class SessionListing(wx.TextCtrl):
 133     """Text control containing all commands for session."""
 134
 135     def __init__(self, parent=None, id=-1):
 136         style = (wx.TE_MULTILINE | wx.TE_READONLY |
 137                  wx.TE_RICH2 | wx.TE_DONTWRAP)
 138         wx.TextCtrl.__init__(self, parent, id, style=style)
 139         dispatcher.connect(receiver=self.push, signal='Interpreter.push')
 140
 141     def push(self, command, more):
 142         """Receiver for Interpreter.push signal."""
 143         if command and not more:
 144             self.SetInsertionPointEnd()
 145             start, end = self.GetSelection()
 146             if start != end:
 147                 self.SetSelection(0, 0)
 148             self.AppendText(command + '\n')
 149
 150
 151 class DispatcherListing(wx.TextCtrl):
 152     """Text control containing all dispatches for session."""
 153
 154     def __init__(self, parent=None, id=-1):
 155         style = (wx.TE_MULTILINE | wx.TE_READONLY |
 156                  wx.TE_RICH2 | wx.TE_DONTWRAP)
 157         wx.TextCtrl.__init__(self, parent, id, style=style)
 158         dispatcher.connect(receiver=self.spy)
 159
 160     def spy(self, signal, sender):
 161         """Receiver for Any signal from Any sender."""
 162         text = '%r from %s' % (signal, sender)
 163         self.SetInsertionPointEnd()
 164         start, end = self.GetSelection()
 165         if start != end:
 166             self.SetSelection(0, 0)
 167         self.AppendText(text + '\n')
 168
 169
 170 class CrustFrame(frame.Frame):
 171     """Frame containing all the PyCrust components."""
 172
 173     name = 'CrustFrame'
 174     revision = __revision__
 175
 176     def __init__(self, parent=None, id=-1, title='PyCrust',
 177                  pos=wx.DefaultPosition, size=wx.DefaultSize,
 178                  style=wx.DEFAULT_FRAME_STYLE,
 179                  rootObject=None, rootLabel=None, rootIsNamespace=True,
 180                  locals=None, InterpClass=None, *args, **kwds):
 181         """Create CrustFrame instance."""
 182         frame.Frame.__init__(self, parent, id, title, pos, size, style)
 183         intro = 'PyCrust %s - The Flakiest Python Shell' % VERSION
 184         intro += '\nSponsored by Orbtech - '
 185         intro += 'Your source for Python programming expertise.'
 186         self.SetStatusText(intro.replace('\n', ', '))
 187         self.crust = Crust(parent=self, intro=intro,
 188                            rootObject=rootObject,
 189                            rootLabel=rootLabel,
 190                            rootIsNamespace=rootIsNamespace,
 191                            locals=locals,
 192                            InterpClass=InterpClass, *args, **kwds)
 193         self.shell = self.crust.shell
 194         # Override the filling so that status messages go to the status bar.
 195         self.crust.filling.tree.setStatusText = self.SetStatusText
 196         # Override the shell so that status messages go to the status bar.
 197         self.shell.setStatusText = self.SetStatusText
 198         # Fix a problem with the sash shrinking to nothing.
 199         self.crust.filling.SetSashPosition(200)
 200         # Set focus to the shell editor.
 201         self.shell.SetFocus()
 202
 203     def OnClose(self, event):
 204         """Event handler for closing."""
 205         self.crust.shell.destroy()
 206         self.Destroy()
 207
 208     def OnAbout(self, event):
 209         """Display an About window."""
 210         title = 'About PyCrust'
 211         text = 'PyCrust %s\n\n' % VERSION + \
 212                'Yet another Python shell, only flakier.\n\n' + \
 213                'Half-baked by Patrick K. O\'Brien,\n' + \
 214                'the other half is still in the oven.\n\n' + \
 215                'Shell Revision: %s\n' % self.shell.revision + \
 216                'Interpreter Revision: %s\n\n' % self.shell.interp.revision + \
 217                'Python Version: %s\n' % sys.version.split()[0] + \
 218                'wxPython Version: %s\n' % wx.VERSION_STRING + \
 219                'Platform: %s\n' % sys.platform
 220         dialog = wx.MessageDialog(self, text, title,
 221                                   wx.OK | wx.ICON_INFORMATION)
 222         dialog.ShowModal()
 223         dialog.Destroy()