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Text File  |  2005-11-19  |  3KB  |  79 lines
  1. """Simple text browser for IDLE
  2.  
  3. """
  4.  
  5. from Tkinter import *
  6. import tkMessageBox
  7.  
  8. class TextViewer(Toplevel):
  9.     """
  10.     simple text viewer dialog for idle
  11.     """
  12.     def __init__(self, parent, title, fileName, data=None):
  13.         """If data exists, load it into viewer, otherwise try to load file.
  14.  
  15.         fileName - string, should be an absoulute filename
  16.         """
  17.         Toplevel.__init__(self, parent)
  18.         self.configure(borderwidth=5)
  19.         self.geometry("=%dx%d+%d+%d" % (625, 500,
  20.                                         parent.winfo_rootx() + 10,
  21.                                         parent.winfo_rooty() + 10))
  22.         #elguavas - config placeholders til config stuff completed
  23.         self.bg = '#ffffff'
  24.         self.fg = '#000000'
  25.  
  26.         self.CreateWidgets()
  27.         self.title(title)
  28.         self.transient(parent)
  29.         self.grab_set()
  30.         self.protocol("WM_DELETE_WINDOW", self.Ok)
  31.         self.parent = parent
  32.         self.textView.focus_set()
  33.         #key bindings for this dialog
  34.         self.bind('<Return>',self.Ok) #dismiss dialog
  35.         self.bind('<Escape>',self.Ok) #dismiss dialog
  36.         if data:
  37.             self.textView.insert(0.0, data)
  38.         else:
  39.             self.LoadTextFile(fileName)
  40.         self.textView.config(state=DISABLED)
  41.         self.wait_window()
  42.  
  43.     def LoadTextFile(self, fileName):
  44.         textFile = None
  45.         try:
  46.             textFile = open(fileName, 'r')
  47.         except IOError:
  48.             tkMessageBox.showerror(title='File Load Error',
  49.                     message='Unable to load file '+`fileName`+' .')
  50.         else:
  51.             self.textView.insert(0.0,textFile.read())
  52.  
  53.     def CreateWidgets(self):
  54.         frameText = Frame(self, relief=SUNKEN, height=700)
  55.         frameButtons = Frame(self)
  56.         self.buttonOk = Button(frameButtons, text='Close',
  57.                                command=self.Ok, takefocus=FALSE)
  58.         self.scrollbarView = Scrollbar(frameText, orient=VERTICAL,
  59.                                        takefocus=FALSE, highlightthickness=0)
  60.         self.textView = Text(frameText, wrap=WORD, highlightthickness=0,
  61.                              fg=self.fg, bg=self.bg)
  62.         self.scrollbarView.config(command=self.textView.yview)
  63.         self.textView.config(yscrollcommand=self.scrollbarView.set)
  64.         self.buttonOk.pack()
  65.         self.scrollbarView.pack(side=RIGHT,fill=Y)
  66.         self.textView.pack(side=LEFT,expand=TRUE,fill=BOTH)
  67.         frameButtons.pack(side=BOTTOM,fill=X)
  68.         frameText.pack(side=TOP,expand=TRUE,fill=BOTH)
  69.  
  70.     def Ok(self, event=None):
  71.         self.destroy()
  72.  
  73. if __name__ == '__main__':
  74.     #test the dialog
  75.     root=Tk()
  76.     Button(root,text='View',
  77.             command=lambda:TextViewer(root,'Text','./textView.py')).pack()
  78.     root.mainloop()
  79.