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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2007-01-30
* Description : a button bar to navigate between album items
* using status bar.
*
* Copyright (C) 2007 by Gilles Caulier <caulier dot gilles at gmail dot 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, 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.
*
* ============================================================ */
// TQt includes.
#include <tqlayout.h>
#include <tqtoolbutton.h>
#include <tqtooltip.h>
// KDE includes.
#include <kiconloader.h>
#include <tdelocale.h>
// Local includes.
#include "statusnavigatebar.h"
#include "statusnavigatebar.moc"
namespace Digikam
{
class StatusNavigateBarPriv
{
public:
StatusNavigateBarPriv()
{
firstButton = 0;
prevButton = 0;
nextButton = 0;
lastButton = 0;
itemType = StatusNavigateBar::ItemCurrent;
}
int itemType;
TQToolButton *firstButton;
TQToolButton *prevButton;
TQToolButton *nextButton;
TQToolButton *lastButton;
};
StatusNavigateBar::StatusNavigateBar(TQWidget *parent)
: TQWidget(parent, 0, TQt::WDestructiveClose)
{
d = new StatusNavigateBarPriv;
setFocusPolicy(TQWidget::NoFocus);
TQHBoxLayout *lay = new TQHBoxLayout(this);
d->firstButton = new TQToolButton(this);
d->firstButton->setFocusPolicy(TQWidget::NoFocus);
d->firstButton->setAutoRaise(true);
d->firstButton->setIconSet(SmallIconSet("go-first"));
TQToolTip::add(d->firstButton, i18n("Go to the first item"));
d->prevButton = new TQToolButton(this);
d->prevButton->setFocusPolicy(TQWidget::NoFocus);
d->prevButton->setAutoRaise(true);
d->prevButton->setIconSet(SmallIconSet("back"));
TQToolTip::add(d->prevButton, i18n("Go to the previous item"));
d->nextButton = new TQToolButton(this);
d->nextButton->setFocusPolicy(TQWidget::NoFocus);
d->nextButton->setAutoRaise(true);
d->nextButton->setIconSet(SmallIconSet("forward"));
TQToolTip::add(d->nextButton, i18n("Go to the next item"));
d->lastButton = new TQToolButton(this);
d->lastButton->setFocusPolicy(TQWidget::NoFocus);
d->lastButton->setAutoRaise(true);
d->lastButton->setIconSet(SmallIconSet("go-last"));
TQToolTip::add(d->lastButton, i18n("Go to the last item"));
lay->addWidget(d->firstButton);
lay->addWidget(d->prevButton);
lay->addWidget(d->nextButton);
lay->addWidget(d->lastButton);
connect(d->firstButton, TQ_SIGNAL(clicked()),
this, TQ_SIGNAL(signalFirstItem()));
connect(d->prevButton, TQ_SIGNAL(clicked()),
this, TQ_SIGNAL(signalPrevItem()));
connect(d->nextButton, TQ_SIGNAL(clicked()),
this, TQ_SIGNAL(signalNextItem()));
connect(d->lastButton, TQ_SIGNAL(clicked()),
this, TQ_SIGNAL(signalLastItem()));
}
StatusNavigateBar::~StatusNavigateBar()
{
delete d;
}
void StatusNavigateBar::setNavigateBarState(bool hasPrev, bool hasNext)
{
if (hasPrev && hasNext)
setButtonsState(ItemCurrent);
else if (!hasPrev && hasNext)
setButtonsState(ItemFirst);
else if (hasPrev && !hasNext)
setButtonsState(ItemLast);
else
setButtonsState(NoNavigation);
}
void StatusNavigateBar::setButtonsState(int itemType)
{
d->itemType = itemType;
if (d->itemType == ItemFirst)
{
d->firstButton->setEnabled(false);
d->prevButton->setEnabled(false);
d->nextButton->setEnabled(true);
d->lastButton->setEnabled(true);
}
else if (d->itemType == ItemLast)
{
d->firstButton->setEnabled(true);
d->prevButton->setEnabled(true);
d->nextButton->setEnabled(false);
d->lastButton->setEnabled(false);
}
else if (d->itemType == ItemCurrent)
{
d->firstButton->setEnabled(true);
d->prevButton->setEnabled(true);
d->nextButton->setEnabled(true);
d->lastButton->setEnabled(true);
}
else if (d->itemType == NoNavigation)
{
d->firstButton->setEnabled(false);
d->prevButton->setEnabled(false);
d->nextButton->setEnabled(false);
d->lastButton->setEnabled(false);
}
}
int StatusNavigateBar::getButtonsState()
{
return (d->itemType);
}
} // namespace Digikam
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