#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2007  Brian G. Matherly
# Copyright (C) 2010       Jakim Friant
# Copyright (C) 2012       Paul Franklin
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#

# $Id$

#-------------------------------------------------------------------------
#
# Python modules
#
#-------------------------------------------------------------------------
import os
from gramps.gen.ggettext import gettext as _

#-------------------------------------------------------------------------
#
# GTK+ modules
#
#-------------------------------------------------------------------------
from gi.repository import Gtk

#-------------------------------------------------------------------------
#
# GRAMPS modules
#
#-------------------------------------------------------------------------
from gramps.gen.config import config
from _reportdialog import ReportDialog
from _papermenu import PaperFrame
from ...pluginmanager import GuiPluginManager
PLUGMAN = GuiPluginManager.get_instance()

#-------------------------------------------------------------------------
#
# DocReportDialog class
#
#-------------------------------------------------------------------------
class DocReportDialog(ReportDialog):
    """
    The DocReportDialog base class.  This is a base class for generating
    dialogs for docgen derived reports.
    """

    def __init__(self, dbstate, uistate, option_class, name, trans_name):
        """Initialize a dialog to request that the user select options
        for a basic *stand-alone* report."""
        
        self.style_name = "default"
        self.firstpage_added = False
        self.CSS = PLUGMAN.process_plugin_data('WEBSTUFF')
        ReportDialog.__init__(self, dbstate, uistate, option_class,
                                  name, trans_name)

        # Allow for post processing of the format frame, since the
        # show_all task calls events that may reset values


    def init_interface(self):
        ReportDialog.init_interface(self)
        self.doc_type_changed(self.format_menu)

    #------------------------------------------------------------------------
    #
    # Functions related to selecting/changing the current file format.
    #
    #------------------------------------------------------------------------
    def make_doc_menu(self, active=None):
        """Build a menu of document types that are appropriate for
        this report.  This menu will be generated based upon the type
        of document (text, draw, graph, etc. - a subclass), whether or
        not the document requires table support, etc."""
        raise NotImplementedError

    def make_document(self):
        """Create a document of the type requested by the user.
        """
        pstyle = self.paper_frame.get_paper_style()
        
        self.doc = self.format(self.selected_style, pstyle)
        if not self.format_menu.get_active_plugin().get_paper_used():
            #set css filename
            self.doc.set_css_filename(self.css_filename)
        
        self.options.set_document(self.doc)

    def doc_type_changed(self, obj):
        """This routine is called when the user selects a new file
        formats for the report.  It adjust the various dialog sections
        to reflect the appropriate values for the currently selected
        file format.  For example, a HTML document doesn't need any
        paper size/orientation options, but it does need a css
        file.  Those chances are made here."""
        docgen_plugin = obj.get_active_plugin()
        if docgen_plugin.get_extension():
            self.open_with_app.set_sensitive(True)
        else:
            self.open_with_app.set_sensitive(False)

        # Is this to be a printed report or an electronic report
        # (i.e. a set of web pages)

        if self.firstpage_added:
            self.notebook.remove_page(0)
        if docgen_plugin.get_paper_used():
            self.paper_label = Gtk.Label(label='<b>%s</b>'%_("Paper Options"))
            self.paper_label.set_use_markup(True)
            self.notebook.insert_page(self.paper_frame, self.paper_label, 0)
            self.paper_frame.show_all()
        else:
            self.html_label = Gtk.Label(label='<b>%s</b>' % _("HTML Options"))
            self.html_label.set_use_markup(True)
            self.notebook.insert_page(self.html_table, self.html_label, 0)
            self.html_table.show_all()
        self.firstpage_added = True

        ext_val = docgen_plugin.get_extension()
        if ext_val:
            fname = self.target_fileentry.get_full_path(0)
            (spath, ext) = os.path.splitext(fname)
            
            fname = spath + "." + ext_val
            self.target_fileentry.set_filename(fname)
            self.target_fileentry.set_sensitive(True)
        else:
            self.target_fileentry.set_filename("")
            self.target_fileentry.set_sensitive(False)

        # Does this report format use styles?
        if self.style_button:
            self.style_button.set_sensitive(docgen_plugin.get_style_support())
            self.style_menu.set_sensitive(docgen_plugin.get_style_support())

    def setup_format_frame(self):
        """Set up the format frame of the dialog.  This function
        relies on the make_doc_menu() function to do all the hard
        work."""

        self.make_doc_menu(self.options.handler.get_format_name())
        self.format_menu.connect('changed', self.doc_type_changed)
        label = Gtk.Label(label="%s:" % _("Output Format"))
        label.set_alignment(0.0, 0.5)
        self.tbl.attach(label, 1, 2, self.row, self.row+1, Gtk.AttachOptions.SHRINK|Gtk.AttachOptions.FILL)
        self.tbl.attach(self.format_menu, 2, 4, self.row, self.row+1,
                        yoptions=Gtk.AttachOptions.SHRINK)
        self.row += 1

        self.open_with_app = Gtk.CheckButton(_("Open with default viewer"))
        self.open_with_app.set_active(
            config.get('interface.open-with-default-viewer'))
        self.tbl.attach(self.open_with_app, 2, 4, self.row, self.row+1,
                        yoptions=Gtk.AttachOptions.SHRINK)
        self.row += 1

        ext = self.format_menu.get_active_plugin().get_extension()
        if ext is None:
            ext = ""
        else:
            spath = self.get_default_directory()
            if self.options.get_output():
                base = os.path.basename(self.options.get_output())
            else:
                base = "%s.%s" % (self.report_name, ext)
            spath = os.path.normpath(os.path.join(spath, base))
            self.target_fileentry.set_filename(spath)
                
    def setup_report_options_frame(self):
        self.paper_frame = PaperFrame(self.options.handler.get_paper_metric(),
                                      self.options.handler.get_paper_name(),
                                      self.options.handler.get_orientation(),
                                      self.options.handler.get_margins(),
                                      self.options.handler.get_custom_paper_size()
                                      )
        self.setup_html_frame()
        ReportDialog.setup_report_options_frame(self)

    def setup_html_frame(self):
        """Set up the html frame of the dialog.  This sole purpose of
        this function is to grab a pointer for later use in the parse
        html frame function."""

        self.html_table = Gtk.Table(3,3)
        self.html_table.set_col_spacings(12)
        self.html_table.set_row_spacings(6)
        self.html_table.set_border_width(0)

        label = Gtk.Label(label="%s:" % _("CSS file"))
        label.set_alignment(0.0,0.5)
        self.html_table.attach(label, 1, 2, 1, 2, Gtk.AttachOptions.SHRINK|Gtk.AttachOptions.FILL,
                               yoptions=Gtk.AttachOptions.SHRINK)

        self.css_combo = Gtk.ComboBoxText()

        css_filename = self.options.handler.get_css_filename()
        active_index = 0
        index = 0
        for (name, id) in sorted([(self.CSS[key]["translation"], self.CSS[key]["id"]) 
                                for key in self.CSS]):
            if self.CSS[id]["user"]:
                self.css_combo.append_text(self.CSS[id]["translation"])
                # Associate this index number with CSS too:
                self.CSS[index] = self.CSS[id]
                if css_filename == self.CSS[id]["filename"]:
                    active_index = index
                index += 1

        self.html_table.attach(self.css_combo,2,3,1,2, yoptions=Gtk.AttachOptions.SHRINK)
        self.css_combo.set_active(active_index)

    def parse_format_frame(self):
        """Parse the format frame of the dialog.  Save the user
        selected output format for later use."""
        docgen_plugin = self.format_menu.get_active_plugin()
        self.format = docgen_plugin.get_basedoc()
        format_name = docgen_plugin.get_extension()
        self.options.handler.set_format_name(format_name)

    def parse_html_frame(self):
        """Parse the html frame of the dialog.  Save the user selected
        html template name for later use.  Note that this routine
        retrieves a value whether or not the file entry box is
        displayed on the screen.  The subclass will know whether this
        entry was enabled.  This is for simplicity of programming."""

        self.css_filename = self.CSS[self.css_combo.get_active()]["filename"]
        self.options.handler.set_css_filename(self.css_filename)

    def on_ok_clicked(self, obj):
        """The user is satisfied with the dialog choices.  Validate
        the output file name before doing anything else.  If there is
        a file name, gather the options and create the report."""

        # Is there a filename?  This should also test file permissions, etc.
        if not self.parse_target_frame():
            self.window.run()

        # Preparation
        self.parse_format_frame()
        self.parse_style_frame()
        self.parse_html_frame()

        self.options.handler.set_paper_metric(self.paper_frame.get_paper_metric())
        self.options.handler.set_paper_name(self.paper_frame.get_paper_name())
        self.options.handler.set_orientation(self.paper_frame.get_orientation())
        self.options.handler.set_margins(self.paper_frame.get_paper_margins())
        self.options.handler.set_custom_paper_size(self.paper_frame.get_custom_paper_size())
        
        self.parse_user_options()

        # Create the output document.
        self.make_document()
        
        # Save options
        self.options.handler.save_options()
        config.set('interface.open-with-default-viewer', 
                   self.open_with_app.get_active())
