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Edit File : textView.py \| Size : 3.46 KB
"""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() Back

Edit File : textView.py | Size : 3.46 KB

"""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()

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