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c:\python24\lib \ idlelib \ textView.py



0001 """Simple text browser for IDLE
0002 
0003 """
0004 
0005 from Tkinter import *
0006 import tkMessageBox
0007 
0008 class TextViewer(Toplevel):
0009     """
0010     simple text viewer dialog for idle
0011     """
0012     def __init__(self, parent, title, fileName, data=None):
0013         """If data exists, load it into viewer, otherwise try to load file.
0014 
0015         fileName - string, should be an absoulute filename
0016         """
0017         Toplevel.__init__(self, parent)
0018         self.configure(borderwidth=5)
0019         self.geometry("=%dx%d+%d+%d" % (625, 500,
0020                                         parent.winfo_rootx() + 10,
0021                                         parent.winfo_rooty() + 10))
0022         #elguavas - config placeholders til config stuff completed
0023         self.bg = '#ffffff'
0024         self.fg = '#000000'
0025 
0026         self.CreateWidgets()
0027         self.title(title)
0028         self.transient(parent)
0029         self.grab_set()
0030         self.protocol("WM_DELETE_WINDOW", self.Ok)
0031         self.parent = parent
0032         self.textView.focus_set()
0033         #key bindings for this dialog
0034         self.bind('<Return>',self.Ok) #dismiss dialog
0035         self.bind('<Escape>',self.Ok) #dismiss dialog
0036         if data:
0037             self.textView.insert(0.0, data)
0038         else:
0039             self.LoadTextFile(fileName)
0040         self.textView.config(state=DISABLED)
0041         self.wait_window()
0042 
0043     def LoadTextFile(self, fileName):
0044         textFile = None
0045         try:
0046             textFile = open(fileName, 'r')
0047         except IOError:
0048             tkMessageBox.showerror(title='File Load Error',
0049                     message='Unable to load file %r .' % (fileName,))
0050         else:
0051             self.textView.insert(0.0,textFile.read())
0052 
0053     def CreateWidgets(self):
0054         frameText = Frame(self, relief=SUNKEN, height=700)
0055         frameButtons = Frame(self)
0056         self.buttonOk = Button(frameButtons, text='Close',
0057                                command=self.Ok, takefocus=FALSE)
0058         self.scrollbarView = Scrollbar(frameText, orient=VERTICAL,
0059                                        takefocus=FALSE, highlightthickness=0)
0060         self.textView = Text(frameText, wrap=WORD, highlightthickness=0,
0061                              fg=self.fg, bg=self.bg)
0062         self.scrollbarView.config(command=self.textView.yview)
0063         self.textView.config(yscrollcommand=self.scrollbarView.set)
0064         self.buttonOk.pack()
0065         self.scrollbarView.pack(side=RIGHT,fill=Y)
0066         self.textView.pack(side=LEFT,expand=TRUE,fill=BOTH)
0067         frameButtons.pack(side=BOTTOM,fill=X)
0068         frameText.pack(side=TOP,expand=TRUE,fill=BOTH)
0069 
0070     def Ok(self, event=None):
0071         self.destroy()
0072 
0073 if __name__ == '__main__':
0074     #test the dialog
0075     root=Tk()
0076     Button(root,text='View',
0077             command=lambda:TextViewer(root,'Text','./textView.py')).pack()
0078     root.mainloop()
0079 

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