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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
7import wx
8
9import os
10import pprint
11import sys
12
13import dispatcher
14import editwindow
15from filling import Filling
16import frame
17from shell import Shell
18from version import VERSION
19
20
21class 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
77class 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
110class 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
126class 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
145class 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
164class 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()