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