'''
A window with a unicode textfield where the user can e.g. edit
the contents of an article
'''
#
# (C) Rob W.W. Hooft, 2003
# (C) Daniel Herding, 2004
# Wikiwichtel
# (C) the PyWikipediabot team, 2008
#
# Distributed under the terms of the MIT license.
#
__version__='$Id: gui.py 6686 2009-04-23 20:25:23Z cosoleto $'
from Tkinter import *
from ScrolledText import ScrolledText
import tkSimpleDialog
from idlelib import SearchDialog,ReplaceDialog,configDialog
from idlelib.configHandler import idleConf
from idlelib.MultiCall import MultiCallCreator
class TextEditor(ScrolledText):
"""A text widget with some editing enhancements.
A lot of code here is copied or adapted from the idlelib/EditorWindow.py
file in the standard Python distribution.
"""
def __init__(self, master=None, **kwargs):
# get default settings from user's IDLE configuration
currentTheme=idleConf.CurrentTheme()
textcf = dict(padx=5, wrap='word', undo='True',
foreground=idleConf.GetHighlight(currentTheme,
'normal', fgBg='fg'),
background=idleConf.GetHighlight(currentTheme,
'normal', fgBg='bg'),
highlightcolor=idleConf.GetHighlight(currentTheme,
'hilite', fgBg='fg'),
highlightbackground=idleConf.GetHighlight(currentTheme,
'hilite', fgBg='bg'),
insertbackground=idleConf.GetHighlight(currentTheme,
'cursor', fgBg='fg'),
width=idleConf.GetOption('main','EditorWindow','width'),
height=idleConf.GetOption('main','EditorWindow','height')
)
fontWeight = 'normal'
if idleConf.GetOption('main', 'EditorWindow', 'font-bold', type='bool'):
fontWeight='bold'
textcf['font']=(idleConf.GetOption('main', 'EditorWindow', 'font'),
idleConf.GetOption('main', 'EditorWindow', 'font-size'),
fontWeight)
# override defaults with any user-specified settings
textcf.update(kwargs)
ScrolledText.__init__(self, master, **textcf)
def add_bindings(self):
# due to IDLE dependencies, this can't be called from __init__
# add key and event bindings
self.bind("<<cut>>", self.cut)
self.bind("<<copy>>", self.copy)
self.bind("<<paste>>", self.paste)
self.bind("<<select-all>>", self.select_all)
self.bind("<<remove-selection>>", self.remove_selection)
self.bind("<<find>>", self.find_event)
self.bind("<<find-again>>", self.find_again_event)
self.bind("<<find-selection>>", self.find_selection_event)
self.bind("<<replace>>", self.replace_event)
self.bind("<<goto-line>>", self.goto_line_event)
self.bind("<<del-word-left>>", self.del_word_left)
self.bind("<<del-word-right>>", self.del_word_right)
keydefs = {'<<copy>>': ['<Control-Key-c>', '<Control-Key-C>'],
'<<cut>>': ['<Control-Key-x>', '<Control-Key-X>'],
'<<del-word-left>>': ['<Control-Key-BackSpace>'],
'<<del-word-right>>': ['<Control-Key-Delete>'],
'<<end-of-file>>': ['<Control-Key-d>', '<Control-Key-D>'],
'<<find-again>>': ['<Control-Key-g>', '<Key-F3>'],
'<<find-selection>>': ['<Control-Key-F3>'],
'<<find>>': ['<Control-Key-f>', '<Control-Key-F>'],
'<<goto-line>>': ['<Alt-Key-g>', '<Meta-Key-g>'],
'<<paste>>': ['<Control-Key-v>', '<Control-Key-V>'],
'<<redo>>': ['<Control-Shift-Key-Z>'],
'<<remove-selection>>': ['<Key-Escape>'],
'<<replace>>': ['<Control-Key-h>', '<Control-Key-H>'],
'<<select-all>>': ['<Control-Key-a>'],
'<<undo>>': ['<Control-Key-z>', '<Control-Key-Z>'],
}
for event, keylist in keydefs.iteritems():
if keylist:
self.event_add(event, *keylist)
def cut(self,event):
if self.tag_ranges("sel"):
self.event_generate("<<Cut>>")
return "break"
def copy(self,event):
if self.tag_ranges("sel"):
self.event_generate("<<Copy>>")
return "break"
def paste(self,event):
self.event_generate("<<Paste>>")
return "break"
def select_all(self, event=None):
self.tag_add("sel", "1.0", "end-1c")
self.mark_set("insert", "1.0")
self.see("insert")
return "break"
def remove_selection(self, event=None):
self.tag_remove("sel", "1.0", "end")
self.see("insert")
def del_word_left(self, event):
self.event_generate('<Meta-Delete>')
return "break"
def del_word_right(self, event=None):
self.event_generate('<Meta-d>')
return "break"
def find_event(self, event=None):
if not self.tag_ranges("sel"):
found = self.tag_ranges("found")
if found:
self.tag_add("sel", found[0], found[1])
else:
self.tag_add("sel", "1.0", "1.0+1c")
SearchDialog.find(self)
return "break"
def find_again_event(self, event=None):
SearchDialog.find_again(self)
return "break"
def find_selection_event(self, event=None):
SearchDialog.find_selection(self)
return "break"
def replace_event(self, event=None):
ReplaceDialog.replace(self)
return "break"
def find_all(self, s):
'''
Highlight all occurrences of string s, and select the first one. If
the string has already been highlighted, jump to the next occurrence
after the current selection. (You cannot go backwards using the
button, but you can manually place the cursor anywhere in the
document to start searching from thatpoint. import
'''
if hasattr(self, "_highlight") and self._highlight == s:
try:
if self.get(SEL_FIRST, SEL_LAST) == s:
return self.find_selection_event(None)
else:
# user must have changed the selection
found = self.tag_nextrange('found', SEL_LAST)
except TclError:
# user must have unset the selection
found = self.tag_nextrange('found', INSERT)
if not found:
# at last occurrence, scroll back to the top
found = self.tag_nextrange('found', 1.0)
if found:
self.do_highlight(found[0], found[1])
else:
# find all occurrences of string s;
# adapted from O'Reilly's Python in a Nutshell
# remove previous uses of tag 'found', if any
self.tag_remove('found', '1.0', END)
if s:
self._highlight = s
# start from the beginning (and when we come to the end, stop)
idx = '1.0'
while True:
# find next occurence, exit loop if no more
idx = self.search(s, idx, nocase=1, stopindex=END)
if not idx:
break
# index right after the end of the occurence
lastidx = '%s+%dc' % (idx, len(s))
# tag the whole occurence (start included, stop excluded)
self.tag_add('found', idx, lastidx)
# prepare to search for next occurence
idx = lastidx
# use a red foreground for all the tagged occurences
self.tag_config('found', foreground='red')
found = self.tag_nextrange('found', 1.0)
if found:
self.do_highlight(found[0], found[1])
def do_highlight(self, start, end):
"""Select and show the text from index start to index end."""
self.see(start)
self.tag_remove(SEL, '1.0', END)
self.tag_add(SEL, start, end)
self.focus_set()
def goto_line_event(self, event):
lineno = tkSimpleDialog.askinteger("Goto",
"Go to line number:", parent=self)
if lineno is None:
return "break"
if lineno <= 0:
self.bell()
return "break"
self.mark_set("insert", "%d.0" % lineno)
self.see("insert")
class EditBoxWindow(Frame):
def __init__(self, parent = None, **kwargs):
if parent is None:
# create a new window
parent = Tk()
self.parent = parent
Frame.__init__(self, parent)
self.editbox = MultiCallCreator(TextEditor)(self, **kwargs)
self.editbox.pack(side=TOP)
self.editbox.add_bindings()
self.bind("<<open-config-dialog>>", self.config_dialog)
bottom = Frame(parent)
# lower left subframe which will contain a textfield and a Search button
bottom_left_frame = Frame(bottom)
self.textfield = Entry(bottom_left_frame)
self.textfield.pack(side=LEFT, fill=X, expand=1)
buttonSearch = Button(bottom_left_frame, text='Find next',
command=self.find)
buttonSearch.pack(side=RIGHT)
bottom_left_frame.pack(side=LEFT, expand=1)
# lower right subframe which will contain OK and Cancel buttons
bottom_right_frame = Frame(bottom)
buttonOK = Button(bottom_right_frame, text='OK',
command=self.pressedOK)
buttonCancel = Button(bottom_right_frame, text='Cancel',
command=parent.destroy)
buttonOK.pack(side=LEFT, fill=X)
buttonCancel.pack(side=RIGHT, fill=X)
bottom_right_frame.pack(side=RIGHT, expand=1)
bottom.pack(side=TOP)
# create a toplevel menu
menubar = Menu(self.parent)
findmenu = Menu(menubar)
findmenu.add_command(label="Find",
command=self.editbox.find_event,
accelerator="Ctrl+F",
underline=0)
findmenu.add_command(label="Find again",
command=self.editbox.find_again_event,
accelerator="Ctrl+G",
underline=6)
findmenu.add_command(label="Find all",
command=self.find_all,
underline=5)
findmenu.add_command(label="Find selection",
command=self.editbox.find_selection_event,
accelerator="Ctrl+F3",
underline=5)
findmenu.add_command(label="Replace",
command=self.editbox.replace_event,
accelerator="Ctrl+H",
underline=0)
menubar.add_cascade(label="Find", menu=findmenu, underline=0)
editmenu = Menu(menubar)
editmenu.add_command(label="Cut",
command=self.editbox.cut,
accelerator="Ctrl+X",
underline=2)
editmenu.add_command(label="Copy",
command=self.editbox.copy,
accelerator="Ctrl+C",
underline=0)
editmenu.add_command(label="Paste",
command=self.editbox.paste,
accelerator="Ctrl+V",
underline=0)
editmenu.add_separator()
editmenu.add_command(label="Select all",
command=self.editbox.select_all,
accelerator="Ctrl+A",
underline=7)
editmenu.add_command(label="Clear selection",
command=self.editbox.remove_selection,
accelerator="Esc")
menubar.add_cascade(label="Edit", menu=editmenu, underline=0)
optmenu = Menu(menubar)
optmenu.add_command(label="Settings...",
command=self.config_dialog,
underline=0)
menubar.add_cascade(label="Options", menu=optmenu, underline=0)
# display the menu
self.parent.config(menu=menubar)
self.pack()
def edit(self, text, jumpIndex=None, highlight=None):
"""
Parameters:
* text - a Unicode string
* jumpIndex - an integer: position at which to put the caret
* highlight - a substring; each occurence will be highlighted
"""
self.text = None
# put given text into our textarea
self.editbox.insert(END, text)
# wait for user to push a button which will destroy (close) the window
# enable word wrap
self.editbox.tag_add('all', '1.0', END)
self.editbox.tag_config('all', wrap = WORD)
# start search if required
if highlight:
self.find_all(highlight)
if jumpIndex:
print jumpIndex
line = text[:jumpIndex].count('\n') + 1 # lines are indexed starting at 1
column = jumpIndex - (text[:jumpIndex].rfind('\n') + 1)
# don't know how to place the caret, but scrolling to the right line
# should already be helpful.
self.editbox.see('%d.%d' % (line, column))
# wait for user to push a button which will destroy (close) the window
self.parent.mainloop()
return self.text
def find_all(self, target):
self.textfield.insert(END, target)
self.editbox.find_all(target)
def find(self):
# get text to search for
s = self.textfield.get()
if s:
self.editbox.find_all(s)
def config_dialog(self, event=None):
configDialog.ConfigDialog(self, 'Settings')
def pressedOK(self):
# called when user pushes the OK button.
# saves the buffer into a variable, and closes the window.
self.text = self.editbox.get('1.0', END)
# if the editbox contains ASCII characters only, get() will
# return string, otherwise unicode (very annoying). We only want
# it to return unicode, so we work around this.
if isinstance(self.text, str):
self.text = unicode(self.text)
self.parent.destroy()
def debug(self, event=None):
self.quit()
return "break"
#### the following class isn't used anywhere in the framework: ####
class ListBoxWindow:
# called when user pushes the OK button.
# closes the window.
def pressedOK(self):
#ok closes listbox
self.parent.destroy()
def __init__(self, parent = None):
if parent is None:
# create a new window
parent = Tk()
self.parent = parent
#selectable: only one item
self.listbox = Listbox(parent, selectmode=SINGLE)
# put list into main frame, using all available space
self.listbox.pack(anchor=CENTER, fill=BOTH)
# lower subframe which will contain one button
self.bottom_frame = Frame(parent)
self.bottom_frame.pack(side=BOTTOM)
buttonOK = Button(self.bottom_frame, text='OK', command=self.pressedOK)
buttonOK.pack(side=LEFT, fill=X)
#idea: set title to cur_disambiguation
def list(self, list):
# put list of alternatives into listbox
self.list = list
#find required area
laenge=len(list)
maxbreite=0
for i in range(laenge):
#cycle through all listitems to find maxlength
if len(list[i])+len(str(i))>maxbreite:
maxbreite=len(list[i])+len(str(i))
#show list as formerly in DOS-window
self.listbox.insert(END, str(i)+ ' - '+ list[i])
#set optimized height & width
self.listbox.config(height=laenge, width=maxbreite+2)
# wait for user to push a button which will destroy (close) the window
return self.list
if __name__=="__main__":
import wikipedia
try:
root = Tk()
root.resizable(width=FALSE, height=FALSE)
root.title("Pywikipediabot GUI")
page = wikipedia.Page(wikipedia.getSite(), u'Wiki')
content = page.get()
myapp = EditBoxWindow(root)
myapp.bind("<Control-d>", myapp.debug)
v = myapp.edit(content, highlight = page.title())
finally:
wikipedia.stopme()
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