/*
 * gnote
 *
 * Copyright (C) 2011-2013,2016 Aurimas Cernius
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include <glibmm/i18n.h>
#include <gtkmm/clipboard.h>

#include "iactionmanager.hpp"
#include "notewindow.hpp"
#include "replacetitlenoteaddin.hpp"
#include "sharp/string.hpp"

namespace replacetitle {

ReplaceTitleModule::ReplaceTitleModule()
{
  ADD_INTERFACE_IMPL(ReplaceTitleNoteAddin);
}


void ReplaceTitleNoteAddin::initialize()
{
}

void ReplaceTitleNoteAddin::shutdown()
{
}

void ReplaceTitleNoteAddin::on_note_opened()
{
  register_main_window_action_callback("replacetitle-replace",
    sigc::mem_fun(*this, &ReplaceTitleNoteAddin::replacetitle_button_clicked));
}

std::map<int, Gtk::Widget*> ReplaceTitleNoteAddin::get_actions_popover_widgets() const
{
  auto widgets = NoteAddin::get_actions_popover_widgets();
  auto button = gnote::utils::create_popover_button("win.replacetitle-replace", _("Replace title"));
  gnote::utils::add_item_to_ordered_map(widgets, gnote::REPLACE_TITLE_ORDER, button);
  return widgets;
}

void ReplaceTitleNoteAddin::replacetitle_button_clicked(const Glib::VariantBase&)
{
  // unix primary clipboard
  Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get(GDK_SELECTION_PRIMARY);
  const std::string newTitle= refClipboard->wait_for_text();
  Glib::RefPtr<Gtk::TextBuffer> buffer = get_note()->get_buffer();

  // replace note content
  if(!newTitle.empty()) {
    Gtk::TextIter title_start = buffer->get_iter_at_offset(0);
    Gtk::TextIter title_end = title_start;
    title_end.forward_to_line_end();
    buffer->erase(title_start, title_end);
    buffer->insert(buffer->get_iter_at_offset(0), newTitle);
    title_end = title_start = buffer->get_iter_at_offset(0);
    title_end.forward_to_line_end();
    Glib::RefPtr<Gtk::TextTag> title_tag = buffer->get_tag_table()->lookup("note-title");
    buffer->apply_tag(title_tag, title_start, title_end);
    // in case the text was multile, new title is only the first line
    get_note()->set_title(title_start.get_text(title_end));
  }
}

}
