"""About Dialog for IDLE

"""
import os
from sys import version
from Tkinter import Toplevel, Frame, Button, Label
from Tkinter import TRUE, FALSE
from Tkinter import SUNKEN, BOTTOM, TOP, BOTH, X, W, LEFT, EW, NSEW
from idlesporklib import textView

class AboutDialog(Toplevel):
    """Modal about dialog for idle

    """
    def __init__(self, parent, title, _htest=False):
        """
        _htest - bool, change box location when running htest
        """
        Toplevel.__init__(self, parent)
        self.configure(borderwidth=5)
        # place dialog below parent if running htest
        self.geometry("+%d+%d" % (
                        parent.winfo_rootx()+30,
                        parent.winfo_rooty()+(30 if not _htest else 100)))
        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):
        release = version[:version.index(' ')]
        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='https://docs.python.org/' +
                         version[:3] + '/library/idle.html',
                         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:  ' +
                               release, fg=self.fg, bg=self.bg)
        labelPythonVer.grid(row=9, column=0, sticky=W, padx=10, pady=0)
        tkVer = self.tk.call('info', 'patchlevel')
        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:   ' + release,
                       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('About - License', license)

    def ShowCopyright(self):
        self.display_printer_text('About - Copyright', copyright)

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

    def ShowIDLECredits(self):
        self.display_file_text('About - Credits', 'CREDITS.txt', 'iso-8859-1')

    def ShowIDLEAbout(self):
        self.display_file_text('About - Readme', 'README.txt')

    def ShowIDLENEWS(self):
        self.display_file_text('About - NEWS', 'NEWS.txt')

    def display_printer_text(self, title, printer):
        printer._Printer__setup()
        text = '\n'.join(printer._Printer__lines)
        textView.view_text(self, title, text)

    def display_file_text(self, title, filename, encoding=None):
        fn = os.path.join(os.path.abspath(os.path.dirname(__file__)), filename)
        textView.view_file(self, title, fn, encoding)

    def Ok(self, event=None):
        self.destroy()

if __name__ == '__main__':
    from idlesporklib.idle_test.htest import run
    run(AboutDialog)
