/*****
*
* TOra - An Oracle Toolkit for DBA's and developers
* Copyright (C) 2003-2005 Quest Software, Inc
* Portions Copyright (C) 2005 Other Contributors
* 
* 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;  only version 2 of
* the License is valid for this program.
* 
* 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*
*      As a special exception, you have permission to link this program
*      with the Oracle Client libraries and distribute executables, as long
*      as you follow the requirements of the GNU GPL in regard to all of the
*      software in the executable aside from Oracle client libraries.
*
*      Specifically you are not permitted to link this program with the
*      Qt/UNIX, Qt/Windows or Qt Non Commercial products of TrollTech.
*      And you are not permitted to distribute binaries compiled against
*      these libraries without written consent from Quest Software, Inc.
*      Observe that this does not disallow linking to the Qt Free Edition.
*
*      You may link this product with any GPL'd Qt library such as Qt/Free
*
* All trademarks belong to their respective owners.
*
*****/

#ifndef TOTABWIDGET_H
#define TOTABWIDGET_H

#include "config.h"

#include <qtabbar.h>
#include <qtabwidget.h>
#include <list>

/** An extension of the regular tab bar with an extension to be able to hide
 * tabs without removing them.
 */

class toTabBar : public QTabBar
{
    Q_OBJECT

    struct barTab
    {
        QTab *Tab;
        bool Shown;
        QRect Rect;

        barTab(QTab *tab, bool shown)
        {
            Tab = tab;
            Shown = shown;
        }
    };

    std::list<barTab> Tabs;
    QTab *copyTab(QTab *tab);
public:
    /** Constructor.
     */
    toTabBar(QWidget *parent = 0, const char *name = 0)
            : QTabBar(parent, name)
    { }
    /** Reimplemented for internal reasons.
     */
    virtual int insertTab(QTab *newTab, int ix = -1);
    /** Reimplemented for internal reasons.
     */
    virtual int addTab(QTab *newTab)
    {
        return insertTab(newTab);
    }
    /** Reimplemented for internal reasons.
     */
    virtual void removeTab(QTab *t);

    /** Reimplemented for internal reasons.
     */
    virtual void layoutTabs();
    /** Specify if a tab is shown.
     * @param ix Index of the tab to change visibility.
     * @param shown Show tab if true, hide if false.
     */
    virtual void setTabShown(int ix, bool shown);
};

/** An extension of the regular tab widget with posibility to hide tabs.
 */
class toTabWidget: public QTabWidget
{
    Q_OBJECT
    toTabBar *Tabs;
public:
    /** Constructor.
     */
    toTabWidget(QWidget *parent = 0, const char *name = 0, WFlags f = 0)
            : QTabWidget(parent, name, f)
    {
        setTabBar(Tabs = new toTabBar(this));
    }

    /** Specify if a tab is shown.
     * @param w Widget to change visibility.
     * @param shown Show tab if true, hide if false.
     */
    virtual void setTabShown(QWidget *w, bool value);

    /** Specify that a tab is shown.
     * @param w Tab to show.
     */
    virtual void showTab(QWidget *w)
    {
        setTabShown(w, true);
    }
    /** Specify that a tab is hidden.
     * @param w Tab to hide.
     */
    virtual void hideTab(QWidget *w)
    {
        setTabShown(w, false);
    }
};

#endif