| """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 OSError: |
| 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' |
| with open(filename, 'r') as f: |
| text = f.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() |