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Python Source  |  2011-03-15  |  3.2 KB  |  94 lines
  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):
  13.         """Show the given text in a scrollable window with a 'close' button
  14.  
  15.         """
  16.         Toplevel.__init__(self, parent)
  17.         self.configure(borderwidth=5)
  18.         self.geometry("=%dx%d+%d+%d" % (625, 500,
  19.                                         parent.winfo_rootx() + 10,
  20.                                         parent.winfo_rooty() + 10))
  21.         #elguavas - config placeholders til config stuff completed
  22.         self.bg = '#ffffff'
  23.         self.fg = '#000000'
  24.  
  25.         self.CreateWidgets()
  26.         self.title(title)
  27.         self.transient(parent)
  28.         self.grab_set()
  29.         self.protocol("WM_DELETE_WINDOW", self.Ok)
  30.         self.parent = parent
  31.         self.textView.focus_set()
  32.         #key bindings for this dialog
  33.         self.bind('<Return>',self.Ok) #dismiss dialog
  34.         self.bind('<Escape>',self.Ok) #dismiss dialog
  35.         self.textView.insert(0.0, text)
  36.         self.textView.config(state=DISABLED)
  37.         self.wait_window()
  38.  
  39.     def CreateWidgets(self):
  40.         frameText = Frame(self, relief=SUNKEN, height=700)
  41.         frameButtons = Frame(self)
  42.         self.buttonOk = Button(frameButtons, text='Close',
  43.                                command=self.Ok, takefocus=FALSE)
  44.         self.scrollbarView = Scrollbar(frameText, orient=VERTICAL,
  45.                                        takefocus=FALSE, highlightthickness=0)
  46.         self.textView = Text(frameText, wrap=WORD, highlightthickness=0,
  47.                              fg=self.fg, bg=self.bg)
  48.         self.scrollbarView.config(command=self.textView.yview)
  49.         self.textView.config(yscrollcommand=self.scrollbarView.set)
  50.         self.buttonOk.pack()
  51.         self.scrollbarView.pack(side=RIGHT,fill=Y)
  52.         self.textView.pack(side=LEFT,expand=TRUE,fill=BOTH)
  53.         frameButtons.pack(side=BOTTOM,fill=X)
  54.         frameText.pack(side=TOP,expand=TRUE,fill=BOTH)
  55.  
  56.     def Ok(self, event=None):
  57.         self.destroy()
  58.  
  59.  
  60. def view_text(parent, title, text):
  61.     TextViewer(parent, title, text)
  62.  
  63. def view_file(parent, title, filename, encoding=None):
  64.     try:
  65.         if encoding:
  66.             import codecs
  67.             textFile = codecs.open(filename, 'r')
  68.         else:
  69.             textFile = open(filename, 'r')
  70.     except IOError:
  71.         import tkMessageBox
  72.         tkMessageBox.showerror(title='File Load Error',
  73.                                message='Unable to load file %r .' % filename,
  74.                                parent=parent)
  75.     else:
  76.         return view_text(parent, title, textFile.read())
  77.  
  78.  
  79. if __name__ == '__main__':
  80.     #test the dialog
  81.     root=Tk()
  82.     root.title('textView test')
  83.     filename = './textView.py'
  84.     text = file(filename, 'r').read()
  85.     btn1 = Button(root, text='view_text',
  86.                  command=lambda:view_text(root, 'view_text', text))
  87.     btn1.pack(side=LEFT)
  88.     btn2 = Button(root, text='view_file',
  89.                   command=lambda:view_file(root, 'view_file', filename))
  90.     btn2.pack(side=LEFT)
  91.     close = Button(root, text='Close', command=root.destroy)
  92.     close.pack(side=RIGHT)
  93.     root.mainloop()
  94.