'''
Task Coach - Your friendly task manager
Copyright (C) 2004-2013 Task Coach developers <developers@taskcoach.org>

Task Coach is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Task Coach is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
'''

import wx
from wx.lib import hyperlink
from taskcoachlib import meta
from taskcoachlib.i18n import _
from wx.lib import sized_controls


class MessageDialog(sized_controls.SizedDialog):  # pylint: disable=R0904,R0901
    ''' Dialog for showing messages from the developers. '''
    def __init__(self, *args, **kwargs):
        self.__settings = kwargs.pop('settings')
        self.__message = kwargs.pop('message')
        self.__url = kwargs.pop('url')
        super(MessageDialog, self).__init__(title=_('Message from the %s '
                                            'developers') % meta.data.name, 
                                            *args, **kwargs)
        pane = self.GetContentsPane()
        pane.SetSizerType("vertical")
        self.__create_message(pane)
        button_sizer = self.CreateStdDialogButtonSizer(wx.OK)
        self.SetButtonSizer(button_sizer)
        self.Fit()
        self.CentreOnParent()
        button_sizer.GetAffirmativeButton().Bind(wx.EVT_BUTTON, self.on_close)
        self.Bind(wx.EVT_CLOSE, self.on_close)
        
    def __create_message(self, pane):
        ''' Create the interior parts of the dialog, i.e. the message for the
            user. '''
        message = wx.StaticText(pane, label=self.__message)
        message.Wrap(500)
        url_panel = sized_controls.SizedPanel(pane)
        url_panel.SetSizerType('horizontal')
        wx.StaticText(url_panel, label=_('See:'))
        hyperlink.HyperLinkCtrl(url_panel, label=self.__url)
        
    def current_message(self):
        ''' Return the currently displayed message. '''
        return self.__message
    
    def current_url(self):
        ''' Return the currently displayed url. '''
        return self.__url
        
    def on_close(self, event):
        ''' When the user closes the dialog, remember what the last displayed 
            message was. '''
        event.Skip()
        self.__settings.settext('view', 'lastdevelopermessage', self.__message)
