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"""Simple text browser for IDLE
"""
from tkinter import *
import tkinter.messagebox as tkMessageBox
class TextViewer(Toplevel):
"""A simple text viewer dialog for IDLE
"""
def __init__(self, parent, title, text, modal=True, _htest=False):
"""Show the given text in a scrollable window with a 'close' button
If modal option set to False, user can interact with other windows,
otherwise they will be unable to interact with other windows until
the textview window is closed.
_htest - bool; change box location when running htest.
"""
Toplevel.__init__(self, parent)
self.configure(borderwidth=5)
# place dialog below parent if running htest
self.geometry("=%dx%d+%d+%d" % (750, 500,
parent.winfo_rootx() + 10,
parent.winfo_rooty() + (10 if not _htest else 100)))
#elguavas - config placeholders til config stuff completed
self.bg = '#ffffff'
self.fg = '#000000'
self.CreateWidgets()
self.title(title)
self.protocol("WM_DELETE_WINDOW", self.Ok)
self.parent = parent
self.textView.focus_set()
#key bindings for this dialog
self.bind('<Return>',self.Ok) #dismiss dialog
self.bind('<Escape>',self.Ok) #dismiss dialog
self.textView.insert(0.0, text)
self.textView.config(state=DISABLED)
if modal:
self.transient(parent)
self.grab_set()
self.wait_window()
def CreateWidgets(self):
frameText = Frame(self, relief=SUNKEN, height=700)
frameButtons = Frame(self)
self.buttonOk = Button(frameButtons, text='Close',
command=self.Ok, takefocus=FALSE)
self.scrollbarView = Scrollbar(frameText, orient=VERTICAL,
takefocus=FALSE, highlightthickness=0)
self.textView = Text(frameText, wrap=WORD, highlightthickness=0,
fg=self.fg, bg=self.bg)
self.scrollbarView.config(command=self.textView.yview)
self.textView.config(yscrollcommand=self.scrollbarView.set)
self.buttonOk.pack()
self.scrollbarView.pack(side=RIGHT,fill=Y)
self.textView.pack(side=LEFT,expand=TRUE,fill=BOTH)
frameButtons.pack(side=BOTTOM,fill=X)
frameText.pack(side=TOP,expand=TRUE,fill=BOTH)
def Ok(self, event=None):
self.destroy()
def view_text(parent, title, text, modal=True):
return TextViewer(parent, title, text, modal)
def view_file(parent, title, filename, encoding=None, modal=True):
try:
with open(filename, 'r', encoding=encoding) as file:
contents = file.read()
except IOError:
tkMessageBox.showerror(title='File Load Error',
message='Unable to load file %r .' % filename,
parent=parent)
else:
return view_text(parent, title, contents, modal)
if __name__ == '__main__':
import unittest
unittest.main('idlelib.idle_test.test_textview', verbosity=2, exit=False)
from idlelib.idle_test.htest import run
run(TextViewer)
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