1 """Simple text browser for IDLE

     2 

     3 """

     4 

     5 from Tkinter import *

     6 import tkMessageBox

     7 

     8 class TextViewer(Toplevel):

     9     """

    10     simple text viewer dialog for idle

    11     """

    12     def __init__(self, parent, title, fileName, data=None):

    13         """If data exists, load it into viewer, otherwise try to load file.

    14 

    15         fileName - string, should be an absoulute filename

    16         """

    17         Toplevel.__init__(self, parent)

    18         self.configure(borderwidth=5)

    19         self.geometry("=%dx%d+%d+%d" % (625, 500,

    20                                         parent.winfo_rootx() + 10,

    21                                         parent.winfo_rooty() + 10))

    22         #elguavas - config placeholders til config stuff completed

    23         self.bg = '#ffffff'

    24         self.fg = '#000000'

    25 

    26         self.CreateWidgets()

    27         self.title(title)

    28         self.transient(parent)

    29         self.grab_set()

    30         self.protocol("WM_DELETE_WINDOW", self.Ok)

    31         self.parent = parent

    32         self.textView.focus_set()

    33         #key bindings for this dialog

    34         self.bind('<Return>',self.Ok) #dismiss dialog

    35         self.bind('<Escape>',self.Ok) #dismiss dialog

    36         if data:

    37             self.textView.insert(0.0, data)

    38         else:

    39             self.LoadTextFile(fileName)

    40         self.textView.config(state=DISABLED)

    41         self.wait_window()

    42 

    43     def LoadTextFile(self, fileName):

    44         textFile = None

    45         try:

    46             textFile = open(fileName, 'r')

    47         except IOError:

    48             tkMessageBox.showerror(title='File Load Error',

    49                     message='Unable to load file %r .' % (fileName,))

    50         else:

    51             self.textView.insert(0.0,textFile.read())

    52 

    53     def CreateWidgets(self):

    54         frameText = Frame(self, relief=SUNKEN, height=700)

    55         frameButtons = Frame(self)

    56         self.buttonOk = Button(frameButtons, text='Close',

    57                                command=self.Ok, takefocus=FALSE)

    58         self.scrollbarView = Scrollbar(frameText, orient=VERTICAL,

    59                                        takefocus=FALSE, highlightthickness=0)

    60         self.textView = Text(frameText, wrap=WORD, highlightthickness=0,

    61                              fg=self.fg, bg=self.bg)

    62         self.scrollbarView.config(command=self.textView.yview)

    63         self.textView.config(yscrollcommand=self.scrollbarView.set)

    64         self.buttonOk.pack()

    65         self.scrollbarView.pack(side=RIGHT,fill=Y)

    66         self.textView.pack(side=LEFT,expand=TRUE,fill=BOTH)

    67         frameButtons.pack(side=BOTTOM,fill=X)

    68         frameText.pack(side=TOP,expand=TRUE,fill=BOTH)

    69 

    70     def Ok(self, event=None):

    71         self.destroy()

    72 

    73 if __name__ == '__main__':

    74     #test the dialog

    75     root=Tk()

    76     Button(root,text='View',

    77             command=lambda:TextViewer(root,'Text','./textView.py')).pack()

    78     root.mainloop()