#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2007  Brian G. Matherly
#
# 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
#
# $Id$

"""
Provide utilities for printing endnotes in text reports.
"""

import BaseDoc
from gettext import gettext as _

def add_endnote_styles(style_sheet):
    """
    Add paragraph styles to a style sheet to be used for displaying endnotes.
    
    @param style_sheet: Style sheet
    @type style_sheet: L{Basedoc.StyleSheet}
    """
    font = BaseDoc.FontStyle()
    font.set(face=BaseDoc.FONT_SANS_SERIF, size=14, italic=1)
    para = BaseDoc.ParagraphStyle()
    para.set_font(font)
    para.set_header_level(2)
    para.set_top_margin(0.25)
    para.set_bottom_margin(0.25)
    para.set_description(_('The style used for the generation header.'))
    style_sheet.add_paragraph_style("Endnotes-Header", para)

    para = BaseDoc.ParagraphStyle()
    para.set(first_indent=-0.75, lmargin=.75)
    para.set_top_margin(0.25)
    para.set_bottom_margin(0.25)
    para.set_description(_('The basic style used for the endnotes source display.'))
    style_sheet.add_paragraph_style("Endnotes-Source", para)

    para = BaseDoc.ParagraphStyle()
    para.set(lmargin=1.5)
    para.set_top_margin(0.25)
    para.set_bottom_margin(0.25)
    para.set_description(_('The basic style used for the endnotes reference display.'))
    style_sheet.add_paragraph_style("Endnotes-Ref", para)

def cite_source(bibliography, obj):
    """
    Cite any sources for the object and add them to the bibliography.
    
    @param bibliography: The bibliography to contain the citations.
    @type bibliography: L{Bibliography}
    @param obj: An object with source references.
    @type obj: L{Relib.SourceBase}
    """
    txt = ""
    slist = obj.get_source_references()
    if slist:
        first = 1
        for ref in slist:
            if not first:
                txt += ', '
            first = 0
            (cindex, key) = bibliography.add_reference(ref)
            txt += "%d" % (cindex + 1)
            if key != None:
                txt += key
    return txt

def write_endnotes(bibliography, database, doc):
    """
    Write all the entries in the bibliography as endnotes.
    
    @param bibliography: The bibliography that contains the citations.
    @type bibliography: L{Bibliography}
    @param database: The database that the sources come from.
    @type database: GrampsDbBase
    @param doc: The document to write the endnotes into.
    @type doc: L{BaseDoc.TextDoc}
    """
    if bibliography.get_citation_count() == 0:
        return

    doc.start_paragraph('Endnotes-Header')
    doc.write_text(_('Endnotes'))
    doc.end_paragraph()
    
    cindex = 0
    for citation in bibliography.get_citation_list():
        cindex += 1
        source = database.get_source_from_handle(citation.get_source_handle())
        first = True
        
        doc.start_paragraph('Endnotes-Source', "%d." % cindex)
        
        src_txt = _format_source_text(source)
            
        doc.write_text(src_txt)
        doc.end_paragraph()

        ref_list = citation.get_ref_list()
        
        if ref_list:
            doc.start_paragraph('Endnotes-Ref')
        
            first = True
            rindex = 0
            for key, ref in ref_list:
                txt = "%s: %s" % (key, ref.get_page())
                if first:
                    doc.write_text(txt)
                    first = False
                else:
                    doc.write_text('; %s' % txt)
                
                rindex += 1
            doc.end_paragraph()

def _format_source_text(source):
    src_txt = ""
    
    if source.get_author():
        src_txt += source.get_author()
    
    if source.get_title():
        if src_txt:
            src_txt += ", "
        src_txt += '"%s"' % source.get_title()
        
    if source.get_publication_info():
        if src_txt:
            src_txt += ", "
        src_txt += source.get_publication_info()
        
    if source.get_abbreviation():
        if src_txt:
            src_txt += ", "
        src_txt += "(%s)" % source.get_abbreviation()
        
    return src_txt