JezK
Edit File: textView.py
"""Simple text browser for IDLE """ from tkinter import * import tkinter.messagebox as tkMessageBox class TextViewer(Toplevel): """A simple text viewer dialog for IDLE """ def __init__(self, parent, title, text, modal=True): """Show the given text in a scrollable window with a 'close' button """ Toplevel.__init__(self, parent) self.configure(borderwidth=5) self.geometry("=%dx%d+%d+%d" % (625, 500, parent.winfo_rootx() + 10, parent.winfo_rooty() + 10)) #elguavas - config placeholders til config stuff completed self.bg = '#ffffff' self.fg = '#000000' self.CreateWidgets() self.title(title) self.protocol("WM_DELETE_WINDOW", self.Ok) self.parent = parent self.textView.focus_set() #key bindings for this dialog self.bind('<Return>',self.Ok) #dismiss dialog self.bind('<Escape>',self.Ok) #dismiss dialog self.textView.insert(0.0, text) self.textView.config(state=DISABLED) if modal: self.transient(parent) self.grab_set() self.wait_window() def CreateWidgets(self): frameText = Frame(self, relief=SUNKEN, height=700) frameButtons = Frame(self) self.buttonOk = Button(frameButtons, text='Close', command=self.Ok, takefocus=FALSE) self.scrollbarView = Scrollbar(frameText, orient=VERTICAL, takefocus=FALSE, highlightthickness=0) self.textView = Text(frameText, wrap=WORD, highlightthickness=0, fg=self.fg, bg=self.bg) self.scrollbarView.config(command=self.textView.yview) self.textView.config(yscrollcommand=self.scrollbarView.set) self.buttonOk.pack() self.scrollbarView.pack(side=RIGHT,fill=Y) self.textView.pack(side=LEFT,expand=TRUE,fill=BOTH) frameButtons.pack(side=BOTTOM,fill=X) frameText.pack(side=TOP,expand=TRUE,fill=BOTH) def Ok(self, event=None): self.destroy() def view_text(parent, title, text, modal=True): return TextViewer(parent, title, text, modal) def view_file(parent, title, filename, encoding=None, modal=True): try: with open(filename, 'r', encoding=encoding) as file: contents = file.read() except IOError: import tkinter.messagebox as tkMessageBox tkMessageBox.showerror(title='File Load Error', message='Unable to load file %r .' % filename, parent=parent) else: return view_text(parent, title, contents, modal) if __name__ == '__main__': #test the dialog root=Tk() root.title('textView test') filename = './textView.py' text = file(filename, 'r').read() btn1 = Button(root, text='view_text', command=lambda:view_text(root, 'view_text', text)) btn1.pack(side=LEFT) btn2 = Button(root, text='view_file', command=lambda:view_file(root, 'view_file', filename)) btn2.pack(side=LEFT) btn3 = Button(root, text='nonmodal view_text', command=lambda:view_text(root, 'nonmodal view_text', text, modal=False)) btn3.pack(side=LEFT) close = Button(root, text='Close', command=root.destroy) close.pack(side=RIGHT) root.mainloop()