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Viewing changes to Lib/idlelib/textView.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-02-13 12:51:00 UTC
  • Revision ID: james.westby@ubuntu.com-20090213125100-uufgcb9yeqzujpqw
Tags: upstream-2.6.1
Import upstream version 2.6.1

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Lib/idlelib/textView.py
 
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"""Simple text browser for IDLE
 
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"""
 
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from Tkinter import *
 
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import tkMessageBox
 
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class TextViewer(Toplevel):
 
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    """A simple text viewer dialog for IDLE
 
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    """
 
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    def __init__(self, parent, title, text):
 
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        """Show the given text in a scrollable window with a 'close' button
 
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        """
 
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        Toplevel.__init__(self, parent)
 
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        self.configure(borderwidth=5)
 
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        self.geometry("=%dx%d+%d+%d" % (625, 500,
 
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                                        parent.winfo_rootx() + 10,
 
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                                        parent.winfo_rooty() + 10))
 
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        #elguavas - config placeholders til config stuff completed
 
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        self.bg = '#ffffff'
 
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        self.fg = '#000000'
 
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        self.CreateWidgets()
 
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        self.title(title)
 
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        self.transient(parent)
 
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        self.grab_set()
 
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        self.protocol("WM_DELETE_WINDOW", self.Ok)
 
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        self.parent = parent
 
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        self.textView.focus_set()
 
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        #key bindings for this dialog
 
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        self.bind('<Return>',self.Ok) #dismiss dialog
 
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        self.bind('<Escape>',self.Ok) #dismiss dialog
 
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        self.textView.insert(0.0, text)
 
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        self.textView.config(state=DISABLED)
 
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        self.wait_window()
 
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    def CreateWidgets(self):
 
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        frameText = Frame(self, relief=SUNKEN, height=700)
 
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        frameButtons = Frame(self)
 
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        self.buttonOk = Button(frameButtons, text='Close',
 
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                               command=self.Ok, takefocus=FALSE)
 
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        self.scrollbarView = Scrollbar(frameText, orient=VERTICAL,
 
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                                       takefocus=FALSE, highlightthickness=0)
 
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        self.textView = Text(frameText, wrap=WORD, highlightthickness=0,
 
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                             fg=self.fg, bg=self.bg)
 
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        self.scrollbarView.config(command=self.textView.yview)
 
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        self.textView.config(yscrollcommand=self.scrollbarView.set)
 
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        self.buttonOk.pack()
 
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        self.scrollbarView.pack(side=RIGHT,fill=Y)
 
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        self.textView.pack(side=LEFT,expand=TRUE,fill=BOTH)
 
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        frameButtons.pack(side=BOTTOM,fill=X)
 
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        frameText.pack(side=TOP,expand=TRUE,fill=BOTH)
 
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    def Ok(self, event=None):
 
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        self.destroy()
 
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def view_text(parent, title, text):
 
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    TextViewer(parent, title, text)
 
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def view_file(parent, title, filename, encoding=None):
 
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    try:
 
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        if encoding:
 
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            import codecs
 
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            textFile = codecs.open(filename, 'r')
 
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        else:
 
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            textFile = open(filename, 'r')
 
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    except IOError:
 
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        import tkMessageBox
 
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        tkMessageBox.showerror(title='File Load Error',
 
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                               message='Unable to load file %r .' % filename,
 
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                               parent=parent)
 
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    else:
 
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        return view_text(parent, title, textFile.read())
 
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if __name__ == '__main__':
 
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    #test the dialog
 
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    root=Tk()
 
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    root.title('textView test')
 
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    filename = './textView.py'
 
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    text = file(filename, 'r').read()
 
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    btn1 = Button(root, text='view_text',
 
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                 command=lambda:view_text(root, 'view_text', text))
 
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    btn1.pack(side=LEFT)
 
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    btn2 = Button(root, text='view_file',
 
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                  command=lambda:view_file(root, 'view_file', filename))
 
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    btn2.pack(side=LEFT)
 
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    close = Button(root, text='Close', command=root.destroy)
 
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    close.pack(side=RIGHT)
 
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    root.mainloop()