Lib/idlelib/textView.py

   1 ##---------------------------------------------------------------------------##
   2 ##
   3 ## idle - simple text view dialog
   4 ## elguavas
   5 ##
   6 ##---------------------------------------------------------------------------##
   7 """
   8 simple text browser for idle
   9 """
  10 from Tkinter import *
  11 import tkMessageBox
  12
  13 class TextViewer(Toplevel):
  14     """
  15     simple text viewer dialog for idle
  16     """
  17     def __init__(self,parent,title,fileName):
  18         """
  19         fileName - string,should be an absoulute filename
  20         """
  21         Toplevel.__init__(self, parent)
  22         self.configure(borderwidth=5)
  23         self.geometry("+%d+%d" % (parent.winfo_rootx()+10,
  24                 parent.winfo_rooty()+10))
  25         #elguavas - config placeholders til config stuff completed
  26         self.bg=None
  27         self.fg=None
  28
  29         self.CreateWidgets()
  30         self.title(title)
  31         self.transient(parent)
  32         self.grab_set()
  33         self.protocol("WM_DELETE_WINDOW", self.Ok)
  34         self.parent = parent
  35         self.textView.focus_set()
  36         #key bindings for this dialog
  37         self.bind('<Return>',self.Ok) #dismiss dialog
  38         self.bind('<Escape>',self.Ok) #dismiss dialog
  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)
  55         frameButtons = Frame(self)
  56         self.buttonOk = Button(frameButtons,text='Ok',
  57                 command=self.Ok,takefocus=FALSE,default=ACTIVE)
  58         self.scrollbarView = Scrollbar(frameText,orient=VERTICAL,
  59                 takefocus=FALSE,highlightthickness=0)
  60         self.textView = Text(frameText,wrap=WORD,highlightthickness=0)
  61         self.scrollbarView.config(command=self.textView.yview)
  62         self.textView.config(yscrollcommand=self.scrollbarView.set)
  63         self.buttonOk.pack(padx=5,pady=5)
  64         self.scrollbarView.pack(side=RIGHT,fill=Y)
  65         self.textView.pack(side=LEFT,expand=TRUE,fill=BOTH)
  66         frameButtons.pack(side=BOTTOM,fill=X)
  67         frameText.pack(side=TOP,expand=TRUE,fill=BOTH)
  68
  69     def Ok(self, event=None):
  70         self.destroy()
  71
  72 if __name__ == '__main__':
  73     #test the dialog
  74     root=Tk()
  75     Button(root,text='View',
  76             command=lambda:TextViewer(root,'Text','./textView.py')).pack()
  77     root.mainloop()