1 """Simple text browser for IDLE 2 3 """ 4 5 from Tkinter import * 6 import tkMessageBox 7 8 class TextViewer(Toplevel): 9 """A simple text viewer dialog for IDLE 10 11 """ 12 def __init__(self, parent, title, text, modal=True): 13 """Show the given text in a scrollable window with a 'close' button 14 15 """ 16 Toplevel.__init__(self, parent) 17 self.configure(borderwidth=5) 18 self.geometry("=%dx%d+%d+%d" % (625, 500, 19 parent.winfo_rootx() + 10, 20 parent.winfo_rooty() + 10)) 21 #elguavas - config placeholders til config stuff completed 22 self.bg = '#ffffff' 23 self.fg = '#000000' 24 25 self.CreateWidgets() 26 self.title(title) 27 self.protocol("WM_DELETE_WINDOW", self.Ok) 28 self.parent = parent 29 self.textView.focus_set() 30 #key bindings for this dialog 31 self.bind('<Return>',self.Ok) #dismiss dialog 32 self.bind('<Escape>',self.Ok) #dismiss dialog 33 self.textView.insert(0.0, text) 34 self.textView.config(state=DISABLED) 35 36 if modal: 37 self.transient(parent) 38 self.grab_set() 39 self.wait_window() 40 41 def CreateWidgets(self): 42 frameText = Frame(self, relief=SUNKEN, height=700) 43 frameButtons = Frame(self) 44 self.buttonOk = Button(frameButtons, text='Close', 45 command=self.Ok, takefocus=FALSE) 46 self.scrollbarView = Scrollbar(frameText, orient=VERTICAL, 47 takefocus=FALSE, highlightthickness=0) 48 self.textView = Text(frameText, wrap=WORD, highlightthickness=0, 49 fg=self.fg, bg=self.bg) 50 self.scrollbarView.config(command=self.textView.yview) 51 self.textView.config(yscrollcommand=self.scrollbarView.set) 52 self.buttonOk.pack() 53 self.scrollbarView.pack(side=RIGHT,fill=Y) 54 self.textView.pack(side=LEFT,expand=TRUE,fill=BOTH) 55 frameButtons.pack(side=BOTTOM,fill=X) 56 frameText.pack(side=TOP,expand=TRUE,fill=BOTH) 57 58 def Ok(self, event=None): 59 self.destroy() 60 61 62 def view_text(parent, title, text, modal=True): 63 return TextViewer(parent, title, text, modal) 64 65 def view_file(parent, title, filename, encoding=None, modal=True): 66 try: 67 if encoding: 68 import codecs 69 textFile = codecs.open(filename, 'r') 70 else: 71 textFile = open(filename, 'r') 72 except IOError: 73 import tkMessageBox 74 tkMessageBox.showerror(title='File Load Error', 75 message='Unable to load file %r .' % filename, 76 parent=parent) 77 else: 78 return view_text(parent, title, textFile.read(), modal) 79 80 81 if __name__ == '__main__': 82 #test the dialog 83 root=Tk() 84 root.title('textView test') 85 filename = './textView.py' 86 text = file(filename, 'r').read() 87 btn1 = Button(root, text='view_text', 88 command=lambda:view_text(root, 'view_text', text)) 89 btn1.pack(side=LEFT) 90 btn2 = Button(root, text='view_file', 91 command=lambda:view_file(root, 'view_file', filename)) 92 btn2.pack(side=LEFT) 93 btn3 = Button(root, text='nonmodal view_text', 94 command=lambda:view_text(root, 'nonmodal view_text', text, 95 modal=False)) 96 btn3.pack(side=LEFT) 97 close = Button(root, text='Close', command=root.destroy) 98 close.pack(side=RIGHT) 99 root.mainloop() 100
