forked from qt-creator/qt-creator
Experimental integration of DiffEditor
After enabling the plugin go to Tools|Diff... Change-Id: I793b6faedb93f58039df0a62e82fe04a017978ee Reviewed-by: hjk <hjk121@nokiamail.com>
This commit is contained in:
jkobus
hjk
352
src/plugins/diffeditor/diffeditorplugin.cpp
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352
src/plugins/diffeditor/diffeditorplugin.cpp
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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#include "diffeditorplugin.h"
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#include "diffeditorwidget.h"
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#include "diffeditorconstants.h"
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#include <coreplugin/icore.h>
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#include <QCoreApplication>
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#include <QToolButton>
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#include <QSpinBox>
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#include <QStyle>
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#include <QLabel>
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#include <QFileDialog>
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#include <QTextCodec>
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#include <coreplugin/actionmanager/actioncontainer.h>
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#include <coreplugin/actionmanager/actionmanager.h>
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#include <coreplugin/coreconstants.h>
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#include <coreplugin/editormanager/editormanager.h>
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#include <coreplugin/coreconstants.h>
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using namespace DIFFEditor;
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using namespace DIFFEditor::Internal;
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///////////////////////////////// DiffEditor //////////////////////////////////
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DiffEditor::DiffEditor(DiffEditorWidget *editorWidget)
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:
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IEditor(0),
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m_file(new DiffFile(QLatin1String(Constants::DIFF_EDITOR_MIMETYPE), this)),
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m_editorWidget(editorWidget),
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m_toolWidget(0)
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{
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setWidget(editorWidget);
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}
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DiffEditor::~DiffEditor()
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{
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delete m_toolWidget;
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if (m_widget)
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delete m_widget;
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}
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bool DiffEditor::createNew(const QString &contents)
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{
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Q_UNUSED(contents)
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// setFileContents(contents);
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return true;
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}
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bool DiffEditor::open(QString *errorString, const QString &fileName, const QString &realFileName)
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{
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Q_UNUSED(errorString)
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Q_UNUSED(fileName)
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Q_UNUSED(realFileName)
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const QString text = QLatin1String("Open");
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if (!createNew(text))
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return false;
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return true;
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}
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Core::IDocument *DiffEditor::document()
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{
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return m_file;
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}
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QString DiffEditor::displayName() const
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{
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if (m_displayName.isEmpty())
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m_displayName = QCoreApplication::translate("DiffEditor", Constants::DIFF_EDITOR_DISPLAY_NAME);
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return m_displayName;
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}
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void DiffEditor::setDisplayName(const QString &title)
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{
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m_displayName = title;
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emit changed();
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}
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bool DiffEditor::duplicateSupported() const
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{
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return false;
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}
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Core::IEditor *DiffEditor::duplicate(QWidget * /*parent*/)
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{
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return 0;
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}
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Core::Id DiffEditor::id() const
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{
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return Constants::DIFF_EDITOR_ID;
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}
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static QToolBar *createToolBar(const QWidget *someWidget)
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{
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// Create
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QToolBar *toolBar = new QToolBar;
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toolBar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
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const int size = someWidget->style()->pixelMetric(QStyle::PM_SmallIconSize);
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toolBar->setIconSize(QSize(size, size));
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toolBar->addSeparator();
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return toolBar;
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}
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QWidget *DiffEditor::toolBar()
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{
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if (m_toolWidget)
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return m_toolWidget;
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// Create
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m_toolWidget = createToolBar(m_editorWidget);
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QToolButton *whitespaceButton = new QToolButton(m_toolWidget);
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whitespaceButton->setText(tr("Ignore Whitespaces"));
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whitespaceButton->setCheckable(true);
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whitespaceButton->setChecked(true);
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connect(whitespaceButton, SIGNAL(clicked(bool)),
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m_editorWidget, SLOT(setIgnoreWhitespaces(bool)));
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m_toolWidget->addWidget(whitespaceButton);
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QLabel *contextLabel = new QLabel(tr("Context Lines:"), m_toolWidget);
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m_toolWidget->addWidget(contextLabel);
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QSpinBox *contextSpinBox = new QSpinBox(m_toolWidget);
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contextSpinBox->setRange(-1, 100);
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contextSpinBox->setValue(1);
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connect(contextSpinBox, SIGNAL(valueChanged(int)),
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m_editorWidget, SLOT(setContextLinesNumber(int)));
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m_toolWidget->addWidget(contextSpinBox);
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return m_toolWidget;
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}
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QByteArray DiffEditor::saveState() const
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{
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return QByteArray();
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}
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bool DiffEditor::restoreState(const QByteArray &/*state*/)
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{
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return true;
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}
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///////////////////////////////// DiffFile //////////////////////////////////
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DiffFile::DiffFile(const QString &mimeType, QObject *parent) :
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Core::IDocument(parent),
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m_mimeType(mimeType),
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m_modified(false)
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{
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}
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void DiffFile::rename(const QString &newName)
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{
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Q_UNUSED(newName);
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return;
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}
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void DiffFile::setFileName(const QString &name)
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{
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if (m_fileName == name)
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return;
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m_fileName = name;
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emit changed();
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}
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void DiffFile::setModified(bool modified)
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{
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if (m_modified == modified)
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return;
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m_modified = modified;
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emit changed();
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}
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bool DiffFile::save(QString *errorString, const QString &fileName, bool autoSave)
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{
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emit saveMe(errorString, fileName, autoSave);
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if (!errorString->isEmpty())
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return false;
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emit changed();
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return true;
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}
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QString DiffFile::mimeType() const
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{
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return m_mimeType;
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}
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Core::IDocument::ReloadBehavior DiffFile::reloadBehavior(ChangeTrigger state, ChangeType type) const
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{
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Q_UNUSED(state)
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Q_UNUSED(type)
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return BehaviorSilent;
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}
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bool DiffFile::reload(QString *errorString, ReloadFlag flag, ChangeType type)
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{
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Q_UNUSED(errorString)
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Q_UNUSED(flag)
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Q_UNUSED(type)
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return true;
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}
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///////////////////////////////// DiffEditorFactory //////////////////////////////////
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DiffEditorFactory::DiffEditorFactory(DiffEditorPlugin *owner) :
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m_mimeTypes(QLatin1String(Constants::DIFF_EDITOR_MIMETYPE)),
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m_owner(owner)
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{
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}
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Core::Id DiffEditorFactory::id() const
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{
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return Constants::DIFF_EDITOR_ID;
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}
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QString DiffEditorFactory::displayName() const
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{
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return qApp->translate("DiffEditorFactory", Constants::DIFF_EDITOR_DISPLAY_NAME);
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}
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Core::IEditor *DiffEditorFactory::createEditor(QWidget *parent)
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{
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DiffEditorWidget *editorWidget = new DiffEditorWidget(parent);
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DiffEditor *editor = new DiffEditor(editorWidget);
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return editor;
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}
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QStringList DiffEditorFactory::mimeTypes() const
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{
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return m_mimeTypes;
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}
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///////////////////////////////// DiffEditorPlugin //////////////////////////////////
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DiffEditorPlugin::DiffEditorPlugin()
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{
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}
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DiffEditorPlugin::~DiffEditorPlugin()
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{
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}
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void DiffEditorPlugin::initializeEditor(DiffEditorWidget *editor)
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{
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Q_UNUSED(editor)
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}
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bool DiffEditorPlugin::initialize(const QStringList &arguments, QString *errorMessage)
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{
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Q_UNUSED(arguments)
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Q_UNUSED(errorMessage)
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//register actions
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Core::ActionContainer *toolsContainer =
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Core::ActionManager::actionContainer(Core::Constants::M_TOOLS);
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toolsContainer->insertGroup(Core::Constants::G_TOOLS_OPTIONS, Constants::G_TOOLS_DIFF);
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Core::Context globalcontext(Core::Constants::C_GLOBAL);
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QAction *diffAction = new QAction(tr("Diff..."), this);
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Core::Command *diffCommand = Core::ActionManager::registerAction(diffAction,
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"DiffEditor.Diff", globalcontext);
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connect(diffAction, SIGNAL(triggered()), this, SLOT(diff()));
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toolsContainer->addAction(diffCommand, Constants::G_TOOLS_DIFF);
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addAutoReleasedObject(new DiffEditorFactory(this));
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return true;
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}
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void DiffEditorPlugin::extensionsInitialized()
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{
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}
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void DiffEditorPlugin::diff()
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{
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QString fileName1 = QFileDialog::getOpenFileName(0,
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tr("Select the first file for diff"),
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QString());
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if (fileName1.isNull())
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return;
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QString fileName2 = QFileDialog::getOpenFileName(0,
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tr("Select the second file for diff"),
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QString());
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if (fileName2.isNull())
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return;
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const Core::Id editorId = Constants::DIFF_EDITOR_ID;
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QString title = tr("Diff \"%1\", \"%2\"").arg(fileName1).arg(fileName2);
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Core::IEditor *outputEditor = Core::EditorManager::openEditorWithContents(editorId, &title, QString());
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Core::EditorManager::activateEditor(outputEditor, Core::EditorManager::ModeSwitch);
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DiffEditorWidget *editorWidget = getDiffEditorWidget(outputEditor);
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if (editorWidget) {
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const QString text1 = getFileContents(fileName1, editorWidget->codec());
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const QString text2 = getFileContents(fileName2, editorWidget->codec());
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editorWidget->setDiff(text1, text2);
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}
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}
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DiffEditorWidget *DiffEditorPlugin::getDiffEditorWidget(const Core::IEditor *editor) const
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{
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if (const DiffEditor *de = qobject_cast<const DiffEditor *>(editor))
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return de->editorWidget();
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return 0;
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}
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QString DiffEditorPlugin::getFileContents(const QString &fileName, QTextCodec *codec) const
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{
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QFile file(fileName);
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if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
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return codec->toUnicode(file.readAll());
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}
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return QString();
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}
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Q_EXPORT_PLUGIN(DiffEditorPlugin)
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