/*
 *  kcmtreeitem.h
 *
 *  Copyright (C) 2010 David Hubner <hubnerd@ntlworld.com>
 *
 *  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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 */

#ifndef KCMTREEITEM
#define KCMTREEITEM

//KDE
#include <KCModuleInfo>
#include <KIcon>

//QT
#include <QList>
#include <QString>

class KcmTreeItem
{
	public:

		/**
		* KCM Tree Item for InfoKcmModel. Holds information about a KCM
		*
		* @param module pointer to KCM module
		* @param parent objects parent
		*/
		explicit KcmTreeItem(const KService::Ptr module, KcmTreeItem *parent=0);

		/**
		* KCM Tree Item for InfoKcmModel. Holds information about a KCM
		*
		* @note Used for root folder objects
		*
		*/
		KcmTreeItem();

		/**
		* Enumeration of the possible tree item types
		*
		*/
		enum itemType { KCM=0, CATEGORY };

		/**
		* Destory KcmTreeItem
		*/
		virtual ~KcmTreeItem();

		/**
		* Add child tree item to parent
		*/
		void addChild(KcmTreeItem *);

		/**
		* Get child tree item
		*
		* @param row row where child is located
		*/
		KcmTreeItem *child(const int row);

		/**
		* Get amount of children
		*/
		int childCount();

		/**
		* Get parent of current tree item
		*/
		KcmTreeItem *parent();

		/**
		* Get index of tree item
		*/
		int indexOf(KcmTreeItem *);

		/**
		* Get amount of columns that tree item contains.
		* Hardcoded to 1
		*/
		int columnCount();

		/**
		* Get row of tree item
		*/
		int row();

		/**
		* Get data of tree item
		*/
		virtual QString data() const;

		/**
		* Get category of tree item.
		* Set in X-KDE-KInfoCenter-Category
		*/
		virtual QString category() const;

		/**
		* Gets the item type.
		*/
		virtual itemType type() const;

		/**
		* Check if children of tree item contains a category.
		* Used in search implementation
		*/
		KcmTreeItem *containsCategory(const QString&);

		/**
		* Get tree item KCMs Data
		*/
		virtual KCModuleInfo kcm() const;

		/**
		* Get tree items KCM's weight
		*/
		virtual int weight();

		/**
		* Get icon tied to KCM
		*/
		virtual KIcon icon() const;

		/**
		* Get whatsThis information from KCM
		*/
		virtual QString whatsThis() const;

		/**
		* Check if there are any children tree items keywords that
		* have a certain regexp pattern
		*/
		bool childrenRegExp(const QRegExp& pattern);

		/**
		* Get KCM tree item keywords
		*/
		virtual QStringList keywords() const;

	protected:

		QList<KcmTreeItem *> m_children;
		KcmTreeItem *m_parent;
		const KService::Ptr m_module;

		const KCModuleInfo *m_moduleInfo;
};

#endif // KCMTREEITEM