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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
** Copyright (c) 2010 Denis Mingulov.
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "imageviewer.h"
#include "imageviewerfile.h"
#include "imagevieweractionhandler.h"
#include "imageviewerconstants.h"
#include "imageview.h"
#include "ui_imageviewertoolbar.h"
#include <coreplugin/icore.h>
#include <coreplugin/actionmanager/actionmanager.h>
#include <coreplugin/actionmanager/command.h>
#include <utils/qtcassert.h>
#include <QtCore/QMap>
#include <QtCore/QFileInfo>
#include <QtGui/QWidget>
#include <QtCore/QtDebug>
namespace ImageViewer {
namespace Internal {
struct ImageViewerPrivate
{
QString displayName;
ImageViewerFile *file;
ImageView *imageView;
QWidget *toolbar;
Ui::ImageViewerToolbar ui_toolbar;
};
ImageViewer::ImageViewer(QWidget *parent)
: IEditor(parent),
d_ptr(new ImageViewerPrivate)
{
d_ptr->file = new ImageViewerFile(this);
d_ptr->imageView = new ImageView();
setContext(Core::Context(Constants::IMAGEVIEWER_ID));
setWidget(d_ptr->imageView);
// toolbar
d_ptr->toolbar = new QWidget();
d_ptr->ui_toolbar.setupUi(d_ptr->toolbar);
// icons update - try to use system theme
updateButtonIconByTheme(d_ptr->ui_toolbar.toolButtonZoomIn, "zoom-in");
updateButtonIconByTheme(d_ptr->ui_toolbar.toolButtonZoomOut, "zoom-out");
updateButtonIconByTheme(d_ptr->ui_toolbar.toolButtonOriginalSize, "zoom-original");
updateButtonIconByTheme(d_ptr->ui_toolbar.toolButtonFitToScreen, "zoom-fit-best");
// a display - something is on the background
updateButtonIconByTheme(d_ptr->ui_toolbar.toolButtonBackground, "video-display");
// "emblem to specify the directory where the user stores photographs"
// (photograph has outline - piece of paper)
updateButtonIconByTheme(d_ptr->ui_toolbar.toolButtonOutline, "emblem-photos");
// connections
connect(d_ptr->file, SIGNAL(changed()), this, SIGNAL(changed()));
connect(d_ptr->ui_toolbar.toolButtonZoomIn, SIGNAL(clicked()),
d_ptr->imageView, SLOT(zoomIn()));
connect(d_ptr->ui_toolbar.toolButtonZoomOut, SIGNAL(clicked()),
d_ptr->imageView, SLOT(zoomOut()));
connect(d_ptr->ui_toolbar.toolButtonFitToScreen, SIGNAL(clicked()),
d_ptr->imageView, SLOT(fitToScreen()));
connect(d_ptr->ui_toolbar.toolButtonOriginalSize, SIGNAL(clicked()),
d_ptr->imageView, SLOT(resetToOriginalSize()));
connect(d_ptr->ui_toolbar.toolButtonBackground, SIGNAL(toggled(bool)),
d_ptr->imageView, SLOT(setViewBackground(bool)));
connect(d_ptr->ui_toolbar.toolButtonOutline, SIGNAL(toggled(bool)),
d_ptr->imageView, SLOT(setViewOutline(bool)));
connect(d_ptr->imageView, SIGNAL(scaleFactorChanged(qreal)),
this, SLOT(scaleFactorUpdate(qreal)));
}
ImageViewer::~ImageViewer()
{
delete d_ptr->imageView;
delete d_ptr->toolbar;
}
bool ImageViewer::createNew(const QString &contents)
{
Q_UNUSED(contents)
return false;
}
bool ImageViewer::open(const QString &fileName)
{
if (!d_ptr->imageView->openFile(fileName))
return false;
setDisplayName(QFileInfo(fileName).fileName());
d_ptr->file->setFileName(fileName);
// d_ptr->file->setMimeType
emit changed();
return true;
}
Core::IFile *ImageViewer::file()
{
return d_ptr->file;
}
QString ImageViewer::id() const
{
return QLatin1String(Constants::IMAGEVIEWER_ID);
}
QString ImageViewer::displayName() const
{
return d_ptr->displayName;
}
void ImageViewer::setDisplayName(const QString &title)
{
d_ptr->displayName = title;
emit changed();
}
bool ImageViewer::duplicateSupported() const
{
return false;
}
Core::IEditor *ImageViewer::duplicate(QWidget *parent)
{
Q_UNUSED(parent);
return 0;
}
QByteArray ImageViewer::saveState() const
{
return QByteArray();
}
bool ImageViewer::restoreState(const QByteArray &state)
{
Q_UNUSED(state);
return true;
}
int ImageViewer::currentLine() const
{
return 0;
}
int ImageViewer::currentColumn() const
{
return 0;
}
bool ImageViewer::isTemporary() const
{
return false;
}
QWidget *ImageViewer::toolBar()
{
return d_ptr->toolbar;
}
void ImageViewer::scaleFactorUpdate(qreal factor)
{
const QString info = QString::number(factor * 100, 'f', 2) + QLatin1Char('%');
d_ptr->ui_toolbar.labelInfo->setText(info);
}
bool ImageViewer::updateButtonIconByTheme(QAbstractButton *button, const QString &name)
{
QTC_ASSERT(button, return false);
QTC_ASSERT(!name.isEmpty(), return false);
if (QIcon::hasThemeIcon(name)) {
button->setIcon(QIcon::fromTheme(name));
return true;
}
return false;
}
void ImageViewer::switchViewBackground()
{
d_ptr->ui_toolbar.toolButtonBackground->click();
}
void ImageViewer::switchViewOutline()
{
d_ptr->ui_toolbar.toolButtonOutline->click();
}
void ImageViewer::zoomIn()
{
d_ptr->ui_toolbar.toolButtonZoomIn->click();
}
void ImageViewer::zoomOut()
{
d_ptr->ui_toolbar.toolButtonZoomOut->click();
}
void ImageViewer::resetToOriginalSize()
{
d_ptr->ui_toolbar.toolButtonOriginalSize->click();
}
void ImageViewer::fitToScreen()
{
d_ptr->ui_toolbar.toolButtonFitToScreen->click();
}
} // namespace Internal
} // namespace ImageViewer
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