
/*
 *  infocenter.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 INFOCENTER
#define INFOCENTER

//KDE
#include <KXmlGuiWindow>
#include <KLineEdit>
#include <KAction>
#include <KCModule>
#include <KActionMenu>

//QT
#include <QWidget>
#include <QObject>
#include <QEvent>
#include <QSplitter>
#include <QPushButton>

//Local
#include "sidepanel.h"
#include "kcmcontainer.h"
#include "infokcmmodel.h"
#include "kcmtreeitem.h"
#include "tooltipmanager.h"

class KcmContainer;
class SizePanel;
class ToolTipManager;
class KcmTreeItem;

class KInfoCenter : public KXmlGuiWindow
{
  Q_OBJECT
  
  public:
    
    /**
    * Create KInfoCenter main window
    */
    KInfoCenter();
    
    /**
    * Destory KInfoCenter object
    */
    ~KInfoCenter();

    /** 
    * Event filter to move KCMContainer to be level with 
    * the side menu.
    *
    * @param watched object being watched
    * @param event event object containing event information
    */
    bool eventFilter(QObject *watched, QEvent *event);

  public slots:
    
    /**
    * Triggered when mouse is clicked on a treeview item
    *
    * @param item item selected via mouse
    */
    void itemClickedSlot(const KcmTreeItem *item);
    
    /** 
    * Triggered when help toolbar action is used.
    */
    void helpClickedSlot();
    
    /** 
    * Triggered when export toolbar action is used.
    */
    void exportClickedSlot();
    
    /**
    * Triggered when the about KCM action is used
    * in the help menu.
    */
    void aboutKcmSlot();
    
    /**
    * Show a error message box
    * 
    * @param parent parent object
    * @param errorMessage error message text
    */
    static void showError(QWidget *parent, QString errorMessage);
    
  private:
    
    /** 
    * Create main window and splitter
    */
    void createMainFrame();
    
    /** 
    * Create top toolbar on main window and setup toolbar
    * actions.
    */
    void createToolBar();
    
    /** 
    * Create side menu frame including search bar
    */
    void createMenuFrame();
    
    /**
    * Detect if export and help buttons should be enabled
    *
    * @param buttons buttons to check
    */
    void setButtons(const KCModule::Buttons buttons);
    
    /** 
    * Load KCM into KCMContainer
    *
    * @param kcmItem KCM to be loaded
    */
    void setKcm(const KcmTreeItem *kcmItem);
    
    /**
    * Set enable state on KCM About menu action, 
    * export toolbar action and help toolbar action.
    */
    void resetCondition();

    KcmContainer *m_contain;
    QSplitter *m_splitter;
    
    KAction *m_aboutKcm;
    KAction *m_searchAction;
    KAction *m_exportAction;
    KAction *m_moduleHelpAction;
    KActionMenu *m_helpAction;
    
    QWidget *m_cWidget;
    KLineEdit *m_searchText;
    
    SidePanel *m_sideMenu;
    ToolTipManager *m_toolTips;
};

#endif //INFOCENTER
