ImageViewer: Reimplemented as a new plugin

Merge-request: 2165
Reviewed-by: Thorbjørn Lindeijer <thorbjorn.lindeijer@nokia.com>

src/plugins/imageviewer/imageviewer.cpp

@@ -0,0 +1,194 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (c) 2010 Denis Mingulov.
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include "imageviewer.h"
+#include "imageviewerfile.h"
+#include "imageviewerconstants.h"
+#include "imageview.h"
+#include "ui_imageviewertoolbar.h"
+
+#include <coreplugin/icore.h>
+#include <coreplugin/uniqueidmanager.h>
+
+#include <QtCore/QMap>
+#include <QtCore/QFileInfo>
+#include <QtGui/QWidget>
+#include <QtCore/QtDebug>
+
+namespace ImageViewer {
+namespace Internal {
+
+struct ImageViewerPrivate
+{
+    QList<int> context;
+    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->context << Core::ICore::instance()->uniqueIDManager()
+            ->uniqueIdentifier(Constants::IMAGEVIEWER_ID);
+
+    d_ptr->imageView = new ImageView();
+
+    // toolbar
+    d_ptr->toolbar = new QWidget();
+    d_ptr->ui_toolbar.setupUi(d_ptr->toolbar);
+
+    // 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;
+}
+
+QList<int> ImageViewer::context() const
+{
+    return d_ptr->context;
+}
+
+QWidget *ImageViewer::widget()
+{
+    return d_ptr->imageView;
+}
+
+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)
+{
+    QString info = tr("%1%").arg(QString::number(factor * 100, 'f', 2));
+    d_ptr->ui_toolbar.labelInfo->setText(info);
+}
+
+} // namespace Internal
+} // namespace ImageViewer