/* This file is part of Ingen.
 * Copyright (C) 2007-2009 David Robillard <http://drobilla.net>
 *
 * Ingen 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.
 *
 * Ingen 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 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.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef INGEN_GUI_LOADPLUGINWINDOW_HPP
#define INGEN_GUI_LOADPLUGINWINDOW_HPP

#include <map>
#include <libglademm/xml.h>
#include <libglademm.h>
#include <gtkmm.h>
#include "raul/SharedPtr.hpp"
#include "raul/Table.hpp"
#include "ingen-config.h"
#include "interface/GraphObject.hpp"
#include "client/ClientStore.hpp"
#include "Window.hpp"

using namespace Ingen::Shared;

namespace Ingen {

namespace Client { class PatchModel; class PluginModel; }
using Ingen::Client::PluginModel;
using Ingen::Client::PatchModel;

namespace GUI {


/** 'Load Plugin' window.
 *
 * Loaded by glade as a derived object.
 *
 * \ingroup GUI
 */
class LoadPluginWindow : public Window
{
public:
	LoadPluginWindow(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glade::Xml>& xml);

	void set_patch(SharedPtr<PatchModel> patch);
	void set_plugins(SharedPtr<const Client::ClientStore::Plugins> plugins);

	void add_plugin(SharedPtr<PluginModel> plugin);

	void present(SharedPtr<PatchModel> patch, GraphObject::Properties data);

protected:
	void on_show();
	bool on_key_press_event(GdkEventKey* event);

private:
	/** Columns for the plugin list */
	class ModelColumns : public Gtk::TreeModel::ColumnRecord {
	public:
		ModelColumns() {
			add(_col_icon);
			add(_col_name);
			add(_col_type);
			add(_col_uri);
			add(_col_plugin);
		}

		Gtk::TreeModelColumn<Glib::RefPtr<Gdk::Pixbuf> > _col_icon;
		Gtk::TreeModelColumn<Glib::ustring>              _col_name;
		Gtk::TreeModelColumn<Glib::ustring>              _col_type;
		Gtk::TreeModelColumn<Glib::ustring>              _col_uri;

		// Not displayed:
		Gtk::TreeModelColumn<SharedPtr<PluginModel> > _col_plugin;
	};

	/** Column for the filter criteria combo box. */
	class CriteriaColumns : public Gtk::TreeModel::ColumnRecord {
	public:
		enum Criteria { NAME, TYPE, URI, };

		CriteriaColumns() { add(_col_label); add(_col_criteria); }

		Gtk::TreeModelColumn<Glib::ustring> _col_label;
		Gtk::TreeModelColumn<Criteria>      _col_criteria;
	};

	void add_clicked();
	void filter_changed();
	void clear_clicked();
	void name_changed();
#ifdef HAVE_NEW_GTKMM
	void name_cleared(Gtk::EntryIconPosition pos, const GdkEventButton* event);
#endif

	void set_row(Gtk::TreeModel::Row& row, SharedPtr<PluginModel> plugin);
	void new_plugin(SharedPtr<PluginModel> plugin);

	void plugin_property_changed(const Raul::URI&  plugin,
	                             const Raul::URI&  predicate,
	                             const Raul::Atom& value);

	void plugin_activated(const Gtk::TreeModel::Path& path, Gtk::TreeViewColumn* col);
	void plugin_selection_changed();

	std::string generate_module_name(SharedPtr<PluginModel> plugin, int offset = 0);

	void load_plugin(const Gtk::TreeModel::iterator& iter);

	GraphObject::Properties _initial_data;

	SharedPtr<PatchModel> _patch;

	typedef std::map<Raul::URI, Gtk::TreeModel::iterator> Rows;
	Rows _rows;

	Glib::RefPtr<Gtk::ListStore> _plugins_liststore;
	ModelColumns                 _plugins_columns;

	Glib::RefPtr<Gtk::ListStore> _criteria_liststore;
	CriteriaColumns              _criteria_columns;

	Glib::RefPtr<Gtk::TreeSelection> _selection;

	int _name_offset; // see comments for generate_plugin_name

	bool              _has_shown;
	bool              _refresh_list;
	Gtk::TreeView*    _plugins_treeview;
	Gtk::CheckButton* _polyphonic_checkbutton;
	Gtk::Entry*       _node_name_entry;
	Gtk::Button*      _close_button;
	Gtk::Button*      _add_button;
	Gtk::ComboBox*    _filter_combo;
	Gtk::Entry*       _search_entry;
};


} // namespace GUI
} // namespace Ingen

#endif // INGEN_GUI_LOADPLUGINWINDOW_HPP