Add a DiffShowEditor showing an additional info

Task-number: QTCREATORBUG-9489

Change-Id: I3ae2e59ccaf397f4236505f21e027a42e2798784
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>
Reviewed-by: Petar Perisin <petar.perisin@gmail.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>

src/plugins/diffeditor/diffeditor.h

@@ -27,8 +27,8 @@
 **
 ****************************************************************************/
 
-#ifndef DIFFEDITOREDITABLE_H
-#define DIFFEDITOREDITABLE_H
+#ifndef DIFFEDITOR_H
+#define DIFFEDITOR_H
 
 #include "diffeditor_global.h"
 #include "diffeditorwidget.h"
@@ -77,16 +77,18 @@ public slots:
 private slots:
     void entryActivated(int index);
 
+protected:
+    QToolBar *m_toolWidget;
+
 private:
     void updateEntryToolTip();
 
     Internal::DiffEditorFile *m_file;
     DiffEditorWidget *m_editorWidget;
-    QToolBar *m_toolWidget;
     QComboBox *m_entriesComboBox;
     mutable QString m_displayName;
 };
 
 } // namespace DiffEditor
 
-#endif // DIFFEDITOREDITABLE_H
+#endif // DIFFEDITOR_H

src/plugins/diffeditor/diffeditor.pro

@@ -4,15 +4,21 @@ include(../../qtcreatorplugin.pri)
 HEADERS += diffeditor_global.h \
         diffeditorconstants.h \
         diffeditor.h \
+        diffeditorfactory.h \
         diffeditorfile.h \
         diffeditorplugin.h \
         diffeditorwidget.h \
-        differ.h
+        differ.h \
+        diffshoweditor.h \
+        diffshoweditorfactory.h
 
 SOURCES += diffeditor.cpp \
+        diffeditorfactory.cpp \
         diffeditorfile.cpp \
         diffeditorplugin.cpp \
         diffeditorwidget.cpp \
-        differ.cpp
+        differ.cpp \
+        diffshoweditor.cpp \
+        diffshoweditorfactory.cpp
 
 RESOURCES +=

src/plugins/diffeditor/diffeditor.qbs

@@ -16,6 +16,8 @@ QtcPlugin {
         "diffeditor.h",
         "diffeditor_global.h",
         "diffeditorconstants.h",
+        "diffeditorfactory.cpp",
+        "diffeditorfactory.h",
         "diffeditorfile.cpp",
         "diffeditorfile.h",
         "diffeditorplugin.cpp",
@@ -24,6 +26,10 @@ QtcPlugin {
         "diffeditorwidget.h",
         "differ.cpp",
         "differ.h",
+        "diffshoweditor.cpp",
+        "diffshoweditor.h",
+        "diffshoweditorfactory.cpp",
+        "diffshoweditorfactory.h",
     ]
 }
 

src/plugins/diffeditor/diffeditorconstants.h

@@ -36,6 +36,8 @@ namespace Constants {
 const char DIFF_EDITOR_ID[] = "Diff Editor";
 const char DIFF_EDITOR_DISPLAY_NAME[] = QT_TRANSLATE_NOOP("DiffEditor", "Diff Editor");
 const char DIFF_EDITOR_MIMETYPE[] = "text/x-patch";
+const char DIFF_SHOW_EDITOR_ID[] = "Show Editor";
+const char DIFF_SHOW_EDITOR_DISPLAY_NAME[] = QT_TRANSLATE_NOOP("ShowEditor", "Show Editor");
 const char G_TOOLS_DIFF[] = "QtCreator.Group.Tools.Options";
 
 } // namespace Constants

src/plugins/diffeditor/diffeditorfactory.cpp

@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "diffeditorfactory.h"
+#include "diffeditor.h"
+#include "diffeditorwidget.h"
+#include "diffeditorconstants.h"
+
+#include <QCoreApplication>
+
+namespace DiffEditor {
+
+namespace Internal {
+
+DiffEditorFactory::DiffEditorFactory(QObject *parent)
+    : IEditorFactory(parent),
+      m_mimeTypes(QLatin1String(Constants::DIFF_EDITOR_MIMETYPE))
+{
+}
+
+Core::Id DiffEditorFactory::id() const
+{
+    return Constants::DIFF_EDITOR_ID;
+}
+
+QString DiffEditorFactory::displayName() const
+{
+    return qApp->translate("DiffEditorFactory", Constants::DIFF_EDITOR_DISPLAY_NAME);
+}
+
+Core::IEditor *DiffEditorFactory::createEditor(QWidget *parent)
+{
+    DiffEditorWidget *editorWidget = new DiffEditorWidget(parent);
+    DiffEditor *editor = new DiffEditor(editorWidget);
+    return editor;
+}
+
+QStringList DiffEditorFactory::mimeTypes() const
+{
+    return m_mimeTypes;
+}
+
+} // namespace Internal
+} // namespace DiffEditor

src/plugins/diffeditor/diffeditorfactory.h

@@ -0,0 +1,62 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef DIFFEDITORFACTORY_H
+#define DIFFEDITORFACTORY_H
+
+#include "diffeditor_global.h"
+
+#include <QStringList>
+
+#include <coreplugin/editormanager/ieditorfactory.h>
+
+namespace DiffEditor {
+
+namespace Internal {
+
+class DiffEditorFactory : public Core::IEditorFactory
+{
+    Q_OBJECT
+
+public:
+    explicit DiffEditorFactory(QObject *parent);
+
+    QStringList mimeTypes() const;
+    Core::IEditor *createEditor(QWidget *parent);
+    Core::Id id() const;
+    QString displayName() const;
+
+private:
+    const QStringList m_mimeTypes;
+};
+
+} // namespace Internal
+} // namespace DiffEditor
+
+#endif // DIFFEDITORFACTORY_H

src/plugins/diffeditor/diffeditorplugin.cpp

@@ -29,10 +29,12 @@
 
 #include "diffeditorplugin.h"
 #include "diffeditor.h"
-#include "diffeditorwidget.h"
 #include "diffeditorconstants.h"
+#include "diffeditorfactory.h"
+#include "diffeditorwidget.h"
+#include "diffshoweditor.h"
+#include "diffshoweditorfactory.h"
 
-#include <QCoreApplication>
 #include <QFileDialog>
 #include <QTextCodec>
 #include <QtPlugin>
@@ -44,40 +46,8 @@
 
 namespace DiffEditor {
 
-///////////////////////////////// DiffEditorFactory //////////////////////////////////
-
 namespace Internal {
 
-DiffEditorFactory::DiffEditorFactory(DiffEditorPlugin *owner)
-    : m_mimeTypes(QLatin1String(Constants::DIFF_EDITOR_MIMETYPE)),
-      m_owner(owner)
-{
-}
-
-Core::Id DiffEditorFactory::id() const
-{
-    return Constants::DIFF_EDITOR_ID;
-}
-
-QString DiffEditorFactory::displayName() const
-{
-    return qApp->translate("DiffEditorFactory", Constants::DIFF_EDITOR_DISPLAY_NAME);
-}
-
-Core::IEditor *DiffEditorFactory::createEditor(QWidget *parent)
-{
-    DiffEditorWidget *editorWidget = new DiffEditorWidget(parent);
-    DiffEditor *editor = new DiffEditor(editorWidget);
-    return editor;
-}
-
-QStringList DiffEditorFactory::mimeTypes() const
-{
-    return m_mimeTypes;
-}
-
-///////////////////////////////// DiffEditorPlugin //////////////////////////////////
-
 DiffEditorPlugin::DiffEditorPlugin()
 {
 }
@@ -86,11 +56,6 @@ DiffEditorPlugin::~DiffEditorPlugin()
 {
 }
 
-void DiffEditorPlugin::initializeEditor(DiffEditorWidget *editor)
-{
-    Q_UNUSED(editor)
-}
-
 bool DiffEditorPlugin::initialize(const QStringList &arguments, QString *errorMessage)
 {
     Q_UNUSED(arguments)
@@ -110,6 +75,7 @@ bool DiffEditorPlugin::initialize(const QStringList &arguments, QString *errorMe
     toolsContainer->addAction(diffCommand, Constants::G_TOOLS_DIFF);
 
     addAutoReleasedObject(new DiffEditorFactory(this));
+    addAutoReleasedObject(new DiffShowEditorFactory(this));
 
     return true;
 }

src/plugins/diffeditor/diffeditorplugin.h

@@ -33,18 +33,9 @@
 #include "diffeditor_global.h"
 
 #include <extensionsystem/iplugin.h>
-#include <coreplugin/editormanager/ieditorfactory.h>
-#include <coreplugin/icontext.h>
-#include <coreplugin/idocument.h>
-
-#include <QStringList>
-
-namespace Core { class IEditor; }
 
 namespace DiffEditor {
 
-class DiffEditorWidget;
-
 namespace Internal {
 
 class DiffEditorPlugin : public ExtensionSystem::IPlugin
@@ -59,9 +50,6 @@ public:
     bool initialize(const QStringList &arguments, QString *errorMessage = 0);
     void extensionsInitialized();
 
-    // Connect editor to settings changed signals.
-    void initializeEditor(DiffEditorWidget *editor);
-
 private slots:
     void diff();
 
@@ -74,23 +62,6 @@ private:
 
 };
 
-class DiffEditorFactory : public Core::IEditorFactory
-{
-    Q_OBJECT
-
-public:
-    explicit DiffEditorFactory(DiffEditorPlugin *owner);
-
-    QStringList mimeTypes() const;
-    Core::IEditor *createEditor(QWidget *parent);
-    Core::Id id() const;
-    QString displayName() const;
-
-private:
-    const QStringList m_mimeTypes;
-    DiffEditorPlugin *m_owner;
-};
-
 } // namespace Internal
 } // namespace DiffEditor
 

src/plugins/diffeditor/diffshoweditor.cpp

@@ -0,0 +1,189 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "diffshoweditor.h"
+#include "diffeditorconstants.h"
+
+#include <QToolBar>
+#include <QToolButton>
+#include <QCoreApplication>
+
+#include <coreplugin/coreconstants.h>
+#include <coreplugin/minisplitter.h>
+
+#include <texteditor/basetexteditor.h>
+#include <texteditor/texteditorsettings.h>
+#include <texteditor/displaysettings.h>
+
+using namespace TextEditor;
+
+namespace DiffEditor {
+
+namespace Internal {
+
+class DiffShowEditorWidgetEditable : public BaseTextEditor
+{
+    Q_OBJECT
+public:
+    DiffShowEditorWidgetEditable(BaseTextEditorWidget *editorWidget) : BaseTextEditor(editorWidget) {}
+
+    Core::Id id() const { return "DiffShowViewEditor"; }
+    bool isTemporary() const { return false; }
+};
+
+class DiffShowEditorWidget : public BaseTextEditorWidget
+{
+    Q_OBJECT
+public:
+    DiffShowEditorWidget(QWidget *parent = 0);
+    virtual QSize sizeHint() const;
+
+public slots:
+    void setDisplaySettings(const DisplaySettings &ds);
+
+protected:
+    BaseTextEditor *createEditor() { return new DiffShowEditorWidgetEditable(this); }
+
+private:
+};
+
+DiffShowEditorWidget::DiffShowEditorWidget(QWidget *parent)
+    : BaseTextEditorWidget(parent)
+{
+    DisplaySettings settings = displaySettings();
+    settings.m_textWrapping = false;
+    settings.m_displayLineNumbers = false;
+    settings.m_highlightCurrentLine = false;
+    settings.m_displayFoldingMarkers = false;
+    settings.m_markTextChanges = false;
+    settings.m_highlightBlocks = false;
+    BaseTextEditorWidget::setDisplaySettings(settings);
+
+    setCodeFoldingSupported(true);
+    setFrameStyle(QFrame::NoFrame);
+
+    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
+}
+
+QSize DiffShowEditorWidget::sizeHint() const
+{
+    QSize size = BaseTextEditorWidget::sizeHint();
+    size.setHeight(size.height() / 5);
+    return size;
+}
+
+void DiffShowEditorWidget::setDisplaySettings(const DisplaySettings &ds)
+{
+    DisplaySettings settings = displaySettings();
+    settings.m_visualizeWhitespace = ds.m_visualizeWhitespace;
+    BaseTextEditorWidget::setDisplaySettings(settings);
+}
+
+} // namespace Internal
+
+DiffShowEditor::DiffShowEditor(DiffEditorWidget *editorWidget)
+    : DiffEditor(editorWidget)
+{
+    QSplitter *splitter = new Core::MiniSplitter(Qt::Vertical);
+    m_diffShowWidget = new Internal::DiffShowEditorWidget(splitter);
+    m_diffShowWidget->setReadOnly(true);
+    splitter->addWidget(m_diffShowWidget);
+    splitter->addWidget(editorWidget);
+    setWidget(splitter);
+
+    TextEditorSettings *settings = TextEditorSettings::instance();
+    connect(settings, SIGNAL(displaySettingsChanged(TextEditor::DisplaySettings)),
+            m_diffShowWidget, SLOT(setDisplaySettings(TextEditor::DisplaySettings)));
+    connect(settings, SIGNAL(fontSettingsChanged(TextEditor::FontSettings)),
+            m_diffShowWidget, SLOT(setFontSettings(TextEditor::FontSettings)));
+    m_diffShowWidget->setDisplaySettings(settings->displaySettings());
+    m_diffShowWidget->setCodeStyle(settings->codeStyle());
+    m_diffShowWidget->setFontSettings(settings->fontSettings());
+}
+
+DiffShowEditor::~DiffShowEditor()
+{
+}
+
+void DiffShowEditor::setDescription(const QString &description)
+{
+    m_diffShowWidget->setPlainText(description);
+}
+
+QString DiffShowEditor::displayName() const
+{
+    if (m_displayName.isEmpty())
+        m_displayName = QCoreApplication::translate("DiffShowEditor", Constants::DIFF_SHOW_EDITOR_DISPLAY_NAME);
+    return m_displayName;
+}
+
+void DiffShowEditor::setDisplayName(const QString &title)
+{
+    m_displayName = title;
+    emit changed();
+}
+
+Core::Id DiffShowEditor::id() const
+{
+    return Constants::DIFF_SHOW_EDITOR_ID;
+}
+
+QWidget *DiffShowEditor::toolBar()
+{
+    if (m_toolWidget)
+        return m_toolWidget;
+
+    // Create
+    DiffEditor::toolBar();
+
+    m_toggleDescriptionButton = new QToolButton(m_toolWidget);
+    m_toggleDescriptionButton->setIcon(QIcon(QLatin1String(Core::Constants::ICON_TOGGLE_TOPBAR)));
+    m_toggleDescriptionButton->setCheckable(true);
+    m_toggleDescriptionButton->setChecked(true);
+    connect(m_toggleDescriptionButton, SIGNAL(clicked(bool)),
+            this, SLOT(setDescriptionVisible(bool)));
+    m_toolWidget->addWidget(m_toggleDescriptionButton);
+    setDescriptionVisible(true);
+
+    return m_toolWidget;
+}
+
+void DiffShowEditor::setDescriptionVisible(bool visible)
+{
+    if (visible) {
+        m_toggleDescriptionButton->setToolTip(tr("Hide Change Description"));
+    } else {
+        m_toggleDescriptionButton->setToolTip(tr("Show Change Description"));
+    }
+    m_diffShowWidget->setVisible(visible);
+}
+
+} // namespace DiffEditor
+
+#include "diffshoweditor.moc"

src/plugins/diffeditor/diffshoweditor.h

@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef DIFFSHOWEDITOR_H
+#define DIFFSHOWEDITOR_H
+
+#include "diffeditor_global.h"
+#include "diffeditor.h"
+
+#include <coreplugin/editormanager/ieditor.h>
+#include <coreplugin/idocument.h>
+
+QT_BEGIN_NAMESPACE
+class QToolButton;
+QT_END_NAMESPACE
+
+namespace DiffEditor {
+
+namespace Internal {
+class DiffEditorFile;
+}
+
+class DIFFEDITOR_EXPORT DiffShowEditor : public DiffEditor
+{
+    Q_OBJECT
+public:
+    explicit DiffShowEditor(DiffEditorWidget *editorWidget);
+    virtual ~DiffShowEditor();
+
+public:
+    void setDescription(const QString &description);
+    // Core::IEditor
+    QString displayName() const;
+    void setDisplayName(const QString &title);
+    Core::Id id() const;
+
+    QWidget *toolBar();
+
+private slots:
+    void setDescriptionVisible(bool visible);
+
+private:
+    void updateEntryToolTip();
+
+    TextEditor::BaseTextEditorWidget *m_diffShowWidget;
+    mutable QString m_displayName;
+    QToolButton *m_toggleDescriptionButton;
+};
+
+} // namespace DiffEditor
+
+#endif // DIFFEDITOR_H

src/plugins/diffeditor/diffshoweditorfactory.cpp

@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "diffshoweditorfactory.h"
+#include "diffshoweditor.h"
+#include "diffeditorwidget.h"
+#include "diffeditorconstants.h"
+
+#include <QCoreApplication>
+
+namespace DiffEditor {
+
+namespace Internal {
+
+DiffShowEditorFactory::DiffShowEditorFactory(QObject *parent)
+    : IEditorFactory(parent),
+      m_mimeTypes(QLatin1String(Constants::DIFF_EDITOR_MIMETYPE))
+{
+}
+
+Core::Id DiffShowEditorFactory::id() const
+{
+    return Constants::DIFF_SHOW_EDITOR_ID;
+}
+
+QString DiffShowEditorFactory::displayName() const
+{
+    return qApp->translate("DiffEditorFactory", Constants::DIFF_SHOW_EDITOR_DISPLAY_NAME);
+}
+
+Core::IEditor *DiffShowEditorFactory::createEditor(QWidget *parent)
+{
+    DiffEditorWidget *editorWidget = new DiffEditorWidget(parent);
+    DiffShowEditor *editor = new DiffShowEditor(editorWidget);
+    return editor;
+}
+
+QStringList DiffShowEditorFactory::mimeTypes() const
+{
+    return m_mimeTypes;
+}
+
+} // namespace Internal
+} // namespace DiffEditor

src/plugins/diffeditor/diffshoweditorfactory.h

@@ -0,0 +1,62 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef DIFFSHOWEDITORFACTORY_H
+#define DIFFSHOWEDITORFACTORY_H
+
+#include "diffeditor_global.h"
+
+#include <QStringList>
+
+#include <coreplugin/editormanager/ieditorfactory.h>
+
+namespace DiffEditor {
+
+namespace Internal {
+
+class DiffShowEditorFactory : public Core::IEditorFactory
+{
+    Q_OBJECT
+
+public:
+    explicit DiffShowEditorFactory(QObject *parent);
+
+    QStringList mimeTypes() const;
+    Core::IEditor *createEditor(QWidget *parent);
+    Core::Id id() const;
+    QString displayName() const;
+
+private:
+    const QStringList m_mimeTypes;
+};
+
+} // namespace Internal
+} // namespace DiffEditor
+
+#endif // DIFFSHOWEDITORFACTORY_H