"""About Dialog for IDLE

"""

from Tkinter import *

import string, os

import textView

import idlever

class AboutDialog(Toplevel):

    """Modal about dialog for idle

    """

    def __init__(self,parent,title):

        Toplevel.__init__(self, parent)

        self.configure(borderwidth=5)

        self.geometry("+%d+%d" % (parent.winfo_rootx()+30,

                                  parent.winfo_rooty()+30))

        self.bg = "#707070"

        self.fg = "#ffffff"

        self.CreateWidgets()

        self.resizable(height=FALSE, width=FALSE)

        self.title(title)

        self.transient(parent)

        self.grab_set()

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

        self.parent = parent

        self.buttonOk.focus_set()

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

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

        self.wait_window()

    def CreateWidgets(self):

        frameMain = Frame(self, borderwidth=2, relief=SUNKEN)

        frameButtons = Frame(self)

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

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

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

                               command=self.Ok)

        self.buttonOk.pack(padx=5, pady=5)

        #self.picture = Image('photo', data=self.pictureData)

        frameBg = Frame(frameMain, bg=self.bg)

        frameBg.pack(expand=TRUE, fill=BOTH)

        labelTitle = Label(frameBg, text='IDLE', fg=self.fg, bg=self.bg,

                           font=('courier', 24, 'bold'))

        labelTitle.grid(row=0, column=0, sticky=W, padx=10, pady=10)

        #labelPicture = Label(frameBg, text='[picture]')

        #image=self.picture, bg=self.bg)

        #labelPicture.grid(row=1, column=1, sticky=W, rowspan=2,

        #                  padx=0, pady=3)

        byline = "Python's Integrated DeveLopment Environment" + 5*'\n'

        labelDesc = Label(frameBg, text=byline, justify=LEFT,

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

        labelDesc.grid(row=2, column=0, sticky=W, columnspan=3, padx=10, pady=5)

        labelEmail = Label(frameBg, text='email:  idle-dev@python.org',

                           justify=LEFT, fg=self.fg, bg=self.bg)

        labelEmail.grid(row=6, column=0, columnspan=2,

                        sticky=W, padx=10, pady=0)

        labelWWW = Label(frameBg, text='www:  http://www.python.org/idle/',

                         justify=LEFT, fg=self.fg, bg=self.bg)

        labelWWW.grid(row=7, column=0, columnspan=2, sticky=W, padx=10, pady=0)

        Frame(frameBg, borderwidth=1, relief=SUNKEN,

              height=2, bg=self.bg).grid(row=8, column=0, sticky=EW,

                                         columnspan=3, padx=5, pady=5)

        labelPythonVer = Label(frameBg, text='Python version:  ' + \

                               sys.version.split()[0], fg=self.fg, bg=self.bg)

        labelPythonVer.grid(row=9, column=0, sticky=W, padx=10, pady=0)

        # handle weird tk version num in windoze python >= 1.6 (?!?)

        tkVer = repr(TkVersion).split('.')

        tkVer[len(tkVer)-1] = str('%.3g' % (float('.'+tkVer[len(tkVer)-1])))[2:]

        if tkVer[len(tkVer)-1] == '':

            tkVer[len(tkVer)-1] = '0'

        tkVer = string.join(tkVer,'.')

        labelTkVer = Label(frameBg, text='Tk version:  '+

                           tkVer, fg=self.fg, bg=self.bg)

        labelTkVer.grid(row=9, column=1, sticky=W, padx=2, pady=0)

        py_button_f = Frame(frameBg, bg=self.bg)

        py_button_f.grid(row=10, column=0, columnspan=2, sticky=NSEW)

        buttonLicense = Button(py_button_f, text='License', width=8,

                               highlightbackground=self.bg,

                               command=self.ShowLicense)

        buttonLicense.pack(side=LEFT, padx=10, pady=10)

        buttonCopyright = Button(py_button_f, text='Copyright', width=8,

                                 highlightbackground=self.bg,

                                 command=self.ShowCopyright)

        buttonCopyright.pack(side=LEFT, padx=10, pady=10)

        buttonCredits = Button(py_button_f, text='Credits', width=8,

                               highlightbackground=self.bg,

                               command=self.ShowPythonCredits)

        buttonCredits.pack(side=LEFT, padx=10, pady=10)

        Frame(frameBg, borderwidth=1, relief=SUNKEN,

              height=2, bg=self.bg).grid(row=11, column=0, sticky=EW,

                                         columnspan=3, padx=5, pady=5)

        idle_v = Label(frameBg, text='IDLE version:   ' + idlever.IDLE_VERSION,

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

        idle_v.grid(row=12, column=0, sticky=W, padx=10, pady=0)

        idle_button_f = Frame(frameBg, bg=self.bg)

        idle_button_f.grid(row=13, column=0, columnspan=3, sticky=NSEW)

        idle_about_b = Button(idle_button_f, text='README', width=8,

                                highlightbackground=self.bg,

                                command=self.ShowIDLEAbout)

        idle_about_b.pack(side=LEFT, padx=10, pady=10)

        idle_news_b = Button(idle_button_f, text='NEWS', width=8,

                                highlightbackground=self.bg,

                                command=self.ShowIDLENEWS)

        idle_news_b.pack(side=LEFT, padx=10, pady=10)

        idle_credits_b = Button(idle_button_f, text='Credits', width=8,

                                highlightbackground=self.bg,

                                command=self.ShowIDLECredits)

        idle_credits_b.pack(side=LEFT, padx=10, pady=10)

    def ShowLicense(self):

        self.display_printer_text(license, 'About - License')

    def ShowCopyright(self):

        self.display_printer_text(copyright, 'About - Copyright')

    def ShowPythonCredits(self):

        self.display_printer_text(credits, 'About - Python Credits')

    def ShowIDLECredits(self):

        self.ViewFile('About - Credits','CREDITS.txt', 'iso-8859-1')

    def ShowIDLEAbout(self):

        self.ViewFile('About - Readme', 'README.txt')

    def ShowIDLENEWS(self):

        self.ViewFile('About - NEWS', 'NEWS.txt')

    def display_printer_text(self, printer, title):

        printer._Printer__setup()

        data = '\n'.join(printer._Printer__lines)

        textView.TextViewer(self, title, None, data)

    def ViewFile(self, viewTitle, viewFile, encoding=None):

        fn = os.path.join(os.path.abspath(os.path.dirname(__file__)), viewFile)

        if encoding:

            import codecs

            try:

                textFile = codecs.open(fn, 'r')

            except IOError:

                import tkMessageBox

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

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

                                       parent=self)

                return

            else:

                data = textFile.read()

        else:

            data = None

        textView.TextViewer(self, viewTitle, fn, data=data)

    def Ok(self, event=None):

        self.destroy()

if __name__ == '__main__':

    # test the dialog

    root = Tk()

    def run():

        import aboutDialog

        aboutDialog.AboutDialog(root, 'About')

    Button(root, text='Dialog', command=run).pack()

    root.mainloop()