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