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