diff options
Diffstat (limited to 'Demo/tkinter/www/www12.py')
| -rwxr-xr-x | Demo/tkinter/www/www12.py | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/Demo/tkinter/www/www12.py b/Demo/tkinter/www/www12.py deleted file mode 100755 index 78884c9..0000000 --- a/Demo/tkinter/www/www12.py +++ /dev/null @@ -1,210 +0,0 @@ -#! /usr/bin/env python - -# www12.py -- display the contents of a URL in a Text widget -# - set window title -# - make window resizable -# - update display while reading -# - vertical scroll bar -# - rewritten as class -# - editable url entry and reload button -# - error dialog -# - menu bar; added 'master' option to constructor - -import sys -import urllib -from Tkinter import * -import Dialog - -def main(): - if len(sys.argv) != 2 or sys.argv[1][:1] == '-': - print "Usage:", sys.argv[0], "url" - sys.exit(2) - url = sys.argv[1] - tk = Tk() - tk.withdraw() - viewer = Viewer(tk) - viewer.load(url) - viewer.go() - -class Viewer: - - def __init__(self, master = None): - # Create root window - if master is None: - self.root = self.master = Tk() - else: - self.master = master - self.root = Toplevel(self.master) - self.root.minsize(1, 1) - - # Create menu bar - self.mbar = Frame(self.root, - {'relief': 'raised', - 'border': 2}) - self.mbar.pack({'fill': 'x'}) - - # Create File menu - self.filebutton = Menubutton(self.mbar, {'text': 'File'}) - self.filebutton.pack({'side': 'left'}) - - self.filemenu = Menu(self.filebutton) - self.filebutton['menu'] = self.filemenu - - # Create Edit menu - self.editbutton = Menubutton(self.mbar, {'text': 'Edit'}) - self.editbutton.pack({'side': 'left'}) - - self.editmenu = Menu(self.editbutton) - self.editbutton['menu'] = self.editmenu - - # Magic so you can swipe from one button to the next - self.mbar.tk_menuBar(self.filebutton, self.editbutton) - - # Populate File menu - self.filemenu.add('command', {'label': 'New', - 'command': self.new_command}) - self.filemenu.add('command', {'label': 'Open...', - 'command': self.open_command}) - self.filemenu.add('command', {'label': 'Clone', - 'command': self.clone_command}) - self.filemenu.add('separator') - self.filemenu.add('command', {'label': 'Close', - 'command': self.close_command}) - self.filemenu.add('command', {'label': 'Quit', - 'command': self.quit_command}) - - # Populate Edit menu - pass - - # Create topframe for the entry and button - self.topframe = Frame(self.root) - self.topframe.pack({'fill': 'x'}) - - # Create a label in front of the entry - self.urllabel = Label(self.topframe, {'text': 'URL:'}) - self.urllabel.pack({'side': 'left'}) - - # Create the entry containing the URL - self.entry = Entry(self.topframe, - {'relief': 'sunken', 'border': 2}) - self.entry.pack({'side': 'left', 'fill': 'x', 'expand': 1}) - self.entry.bind('<Return>', self.loadit) - - # Create the button - self.reload = Button(self.topframe, - {'text': 'Reload', - 'command': self.reload}) - self.reload.pack({'side': 'right'}) - - # Create botframe for the text and scrollbar - self.botframe = Frame(self.root) - self.botframe.pack({'fill': 'both', 'expand': 1}) - - # The Scrollbar *must* be created first - self.vbar = Scrollbar(self.botframe) - self.vbar.pack({'fill': 'y', 'side': 'right'}) - self.text = Text(self.botframe) - self.text.pack({'expand': 1, 'fill': 'both', 'side': 'left'}) - - # Link Text widget and Scrollbar - self.text['yscrollcommand'] = (self.vbar, 'set') - self.vbar['command'] = (self.text, 'yview') - - self.url = None - - def load(self, url): - # Load a new URL into the window - fp, url = self.urlopen(url) - if not fp: - return - - self.url = url - - self.root.title(url) - - self.entry.delete('0', 'end') - self.entry.insert('end', url) - - self.text.delete('0.0', 'end') - - while 1: - line = fp.readline() - if not line: break - if line[-2:] == '\r\n': line = line[:-2] + '\n' - self.text.insert('end', line) - self.root.update_idletasks() - - fp.close() - - def urlopen(self, url): - # Open a URL -- - # return (fp, url) if successful - # display dialog and return (None, url) for errors - try: - fp = urllib.urlopen(url) - except IOError, msg: - import types - if type(msg) == types.TupleType and len(msg) == 4: - if msg[1] == 302: - m = msg[3] - if m.has_key('location'): - url = m['location'] - return self.urlopen(url) - elif m.has_key('uri'): - url = m['uri'] - return self.urlopen(url) - self.errordialog(IOError, msg) - fp = None - return fp, url - - def errordialog(self, exc, msg): - # Display an error dialog -- return when the user clicks OK - Dialog.Dialog(self.root, { - 'text': str(msg), - 'title': exc, - 'bitmap': 'error', - 'default': 0, - 'strings': ('OK',), - }) - - def go(self): - # Start Tk main loop - self.root.mainloop() - - def reload(self, *args): - # Callback for Reload button - if self.url: - self.load(self.url) - - def loadit(self, *args): - # Callback for <Return> event in entry - self.load(self.entry.get()) - - def new_command(self): - # File/New... - Viewer(self.master) - - def clone_command(self): - # File/Clone - v = Viewer(self.master) - v.load(self.url) - - def open_command(self): - # File/Open... - print "File/Open...: Not implemented" - - def close_command(self): - # File/Close - self.destroy() - - def quit_command(self): - # File/Quit - self.root.quit() - - def destroy(self): - # Destroy this window - self.root.destroy() - if self.master is not self.root and not self.master.children: - self.master.quit() - -main() |