1 """Simple text browser for IDLE 2 3 """ 4 5 from Tkinter import * 6 import tkMessageBox 7 8 class TextViewer(Toplevel): 9 """A simple text viewer dialog for IDLE 10 11 """ 12 def __init__(self, parent, title, text, modal=True, _htest=False): 13 """Show the given text in a scrollable window with a 'close' button 14 15 If modal option set to False, user can interact with other windows, 16 otherwise they will be unable to interact with other windows until 17 the textview window is closed. 18 19 _htest - bool; change box location when running htest. 20 """ 21 Toplevel.__init__(self, parent) 22 self.configure(borderwidth=5) 23 # place dialog below parent if running htest 24 self.geometry("=%dx%d+%d+%d" % (750, 500, 25 parent.winfo_rootx() + 10, 26 parent.winfo_rooty() + (10 if not _htest else 100))) 27 #elguavas - config placeholders til config stuff completed 28 self.bg = '#ffffff' 29 self.fg = '#000000' 30 31 self.CreateWidgets() 32 self.title(title) 33 self.protocol("WM_DELETE_WINDOW", self.Ok) 34 self.parent = parent 35 self.textView.focus_set() 36 #key bindings for this dialog 37 self.bind('<Return>',self.Ok) #dismiss dialog 38 self.bind('<Escape>',self.Ok) #dismiss dialog 39 self.textView.insert(0.0, text) 40 self.textView.config(state=DISABLED) 41 42 if modal: 43 self.transient(parent) 44 self.grab_set() 45 self.wait_window() 46 47 def CreateWidgets(self): 48 frameText = Frame(self, relief=SUNKEN, height=700) 49 frameButtons = Frame(self) 50 self.buttonOk = Button(frameButtons, text='Close', 51 command=self.Ok, takefocus=FALSE) 52 self.scrollbarView = Scrollbar(frameText, orient=VERTICAL, 53 takefocus=FALSE, highlightthickness=0) 54 self.textView = Text(frameText, wrap=WORD, highlightthickness=0, 55 fg=self.fg, bg=self.bg) 56 self.scrollbarView.config(command=self.textView.yview) 57 self.textView.config(yscrollcommand=self.scrollbarView.set) 58 self.buttonOk.pack() 59 self.scrollbarView.pack(side=RIGHT,fill=Y) 60 self.textView.pack(side=LEFT,expand=TRUE,fill=BOTH) 61 frameButtons.pack(side=BOTTOM,fill=X) 62 frameText.pack(side=TOP,expand=TRUE,fill=BOTH) 63 64 def Ok(self, event=None): 65 self.destroy() 66 67 68 def view_text(parent, title, text, modal=True): 69 return TextViewer(parent, title, text, modal) 70 71 def view_file(parent, title, filename, encoding=None, modal=True): 72 try: 73 if encoding: 74 import codecs 75 textFile = codecs.open(filename, 'r') 76 else: 77 textFile = open(filename, 'r') 78 except IOError: 79 tkMessageBox.showerror(title='File Load Error', 80 message='Unable to load file %r .' % filename, 81 parent=parent) 82 except UnicodeDecodeError as err: 83 showerror(title='Unicode Decode Error', 84 message=str(err), 85 parent=parent) 86 else: 87 return view_text(parent, title, textFile.read(), modal) 88 89 90 if __name__ == '__main__': 91 import unittest 92 unittest.main('idlelib.idle_test.test_textview', verbosity=2, exit=False) 93 from idlelib.idle_test.htest import run 94 run(TextViewer) 95
