Edit File: textView.py
"""Simple text browser for IDLE """ from Tkinter import * import 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) self.is_modal = modal if self.is_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): if self.is_modal: self.grab_release() 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: if encoding: import codecs textFile = codecs.open(filename, 'r') else: textFile = open(filename, 'r') except IOError: tkMessageBox.showerror(title='File Load Error', message='Unable to load file %r .' % filename, parent=parent) except UnicodeDecodeError as err: showerror(title='Unicode Decode Error', message=str(err), parent=parent) else: return view_text(parent, title, textFile.read(), 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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