/*
    Copyright (C) 2000 Paul Davis 

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

    $Id$
*/

#include <cstdlib>
#include <cmath>
#include <vector>

#include <gtkmm.h>

#include <ardour/named_selection.h>
#include <ardour/session_selection.h>
#include <ardour/playlist.h>

#include <gtkmm2ext/stop_signal.h>

#include "editor.h"
#include "selection.h"
#include "time_axis_view.h"
#include "ardour_ui.h"
#include "prompter.h"

#include "i18n.h"

using namespace sigc;
using namespace ARDOUR;
using namespace Gtk;
using namespace Gtkmm2ext;

void
Editor::handle_new_named_selection ()
{
	ARDOUR_UI::instance()->call_slot (slot (*this, &Editor::redisplay_named_selections));
}

void
Editor::add_named_selection_to_named_selection_display (NamedSelection& selection)
{
	const gchar *row[1];

	row[0] = selection.name.c_str();
	named_selection_display.rows().push_back (row);
	named_selection_display.rows().back().set_data (&selection);
}

void
Editor::redisplay_named_selections ()
{
	named_selection_display.freeze ();
	named_selection_display.clear ();
	session->foreach_named_selection (*this, &Editor::add_named_selection_to_named_selection_display);
	named_selection_display.thaw ();
}

gint
Editor::named_selection_display_button_press (GdkEventButton *ev)
{
	NamedSelection* named_selection;
	gint row;
	gint col;

	switch (ev->button) {
	case 1:
		if (Keyboard::is_delete_event (ev)) {
			if (named_selection_display.get_selection_info ((int)ev->x, (int)ev->y, &row, &col) != 0) {
				if ((named_selection = reinterpret_cast<NamedSelection *> (named_selection_display.get_row_data (row))) != 0) {
					session->remove_named_selection (named_selection);
					return stop_signal (named_selection_display, "button_press_event");
				}
			}
		} 
		break;

	case 2:
		break;

	case 3:
		break;
	default:
		break;
	}
	return FALSE;
}


void
Editor::named_selection_display_selected (gint row, gint col, GdkEvent *ev)
{
}

void
Editor::named_selection_display_unselected (gint row, gint col, GdkEvent *ev)
{
}

void
Editor::name_selection ()
{
	ArdourPrompter p;

	p.set_prompt (_("name for chunk:"));
	p.done.connect (slot (*this, &Editor::named_selection_name_chosen));
	p.change_labels (_("Create chunk"), _("Forget it"));
	p.show_all ();

	Gtk::Main::run ();

	if (p.status == Prompter::entered) {
		string name;
		p.get_result (name);
		
		if (name.length()){
			create_named_selection (name);
		}
	}
}

void
Editor::named_selection_name_chosen ()
{
	Gtk::Main::quit ();
}

void
Editor::create_named_selection (string name)
{
	if (session == 0) {
		return;
	}

	/* check for a range-based selection */

	if (selection->time.empty()) {
		return;
	}

	
	TrackViewList *views = get_valid_views (selection->time.track, selection->time.group);

	if (views->empty()) {
		delete views;
		return;
	}

	Playlist*       what_we_found;
	list<Playlist*> thelist;

	for (TrackViewList::iterator i = views->begin(); i != views->end(); ++i) {
		
		Playlist *pl = (*i)->playlist();
		
		if (pl) {
			
			if ((what_we_found = pl->copy (selection->time, false)) != 0) {

				thelist.push_back (what_we_found);
			}
		}
	}

	NamedSelection* ns;

	ns = new NamedSelection (name, thelist);

	/* make the one we just added be selected */

	named_selection_display.rows().back().select ();
}