Introduce new Beautifier plug-in

Beautifier is a plug-in for source code beautifiers.
Currently Artistic Style, Clang-format and Uncrustify are supported.

Task-number: QTCREATORBUG-7489
Change-Id: I8dde9a8ba6a6a55537bfd450ec82ef966ed283c0
Reviewed-by: David Schulz <david.schulz@digia.com>

src/plugins/beautifier/clangformat/clangformatoptionspage.cpp

@@ -0,0 +1,150 @@
+/**************************************************************************
+**
+** Copyright (c) 2014 Lorenz Haas
+** 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 "clangformatoptionspage.h"
+#include "ui_clangformatoptionspage.h"
+
+#include "clangformatconstants.h"
+#include "clangformatsettings.h"
+
+#include "../beautifierconstants.h"
+
+#include <coreplugin/icore.h>
+
+#include <QTextStream>
+
+namespace Beautifier {
+namespace Internal {
+namespace ClangFormat {
+
+ClangFormatOptionsPageWidget::ClangFormatOptionsPageWidget(ClangFormatSettings *settings,
+                                                           QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::ClangFormatOptionsPage)
+    , m_settings(settings)
+{
+    ui->setupUi(this);
+    ui->options->setEnabled(false);
+    ui->predefinedStyle->addItems(m_settings->predefinedStyles());
+    ui->command->setExpectedKind(Utils::PathChooser::ExistingCommand);
+    ui->command->setPromptDialogTitle(tr("ClangFormat Command"));
+    connect(ui->command, SIGNAL(validChanged(bool)), ui->options, SLOT(setEnabled(bool)));
+    ui->configurations->setSettings(m_settings);
+}
+
+ClangFormatOptionsPageWidget::~ClangFormatOptionsPageWidget()
+{
+    delete ui;
+}
+
+QString ClangFormatOptionsPageWidget::searchKeywords() const
+{
+    QString keywords;
+    const QLatin1Char sep(' ');
+    QTextStream(&keywords) << sep << ui->configuration->title()
+                           << sep << ui->commandLabel->text()
+                           << sep << ui->options->title()
+                           << sep << ui->usePredefinedStyle->text()
+                           << sep << ui->useCustomizedStyle->text()
+                           << sep << ui->formatEntireFileFallback->text();
+    keywords.remove(QLatin1Char('&'));
+    return keywords;
+}
+
+void ClangFormatOptionsPageWidget::restore()
+{
+    ui->command->setPath(m_settings->command());
+    ui->predefinedStyle->setCurrentText(m_settings->predefinedStyle());
+    ui->formatEntireFileFallback->setChecked(m_settings->formatEntireFileFallback());
+    ui->configurations->setSettings(m_settings);
+    ui->configurations->setCurrentConfiguration(m_settings->customStyle());
+
+    if (m_settings->usePredefinedStyle())
+        ui->usePredefinedStyle->setChecked(true);
+    else
+        ui->useCustomizedStyle->setChecked(true);
+}
+
+void ClangFormatOptionsPageWidget::apply()
+{
+    m_settings->setCommand(ui->command->path());
+    m_settings->setUsePredefinedStyle(ui->usePredefinedStyle->isChecked());
+    m_settings->setPredefinedStyle(ui->predefinedStyle->currentText());
+    m_settings->setCustomStyle(ui->configurations->currentConfiguration());
+    m_settings->setFormatEntireFileFallback(ui->formatEntireFileFallback->isChecked());
+    m_settings->save();
+}
+
+/* ---------------------------------------------------------------------------------------------- */
+
+ClangFormatOptionsPage::ClangFormatOptionsPage(ClangFormatSettings *settings, QObject *parent) :
+    IOptionsPage(parent),
+    m_widget(0),
+    m_settings(settings),
+    m_searchKeywords()
+{
+    setId(Constants::ClangFormat::OPTION_ID);
+    setDisplayName(tr("ClangFormat"));
+    setCategory(Constants::OPTION_CATEGORY);
+    setDisplayCategory(QCoreApplication::translate("Beautifier", Constants::OPTION_TR_CATEGORY));
+    setCategoryIcon(QLatin1String(Constants::OPTION_CATEGORY_ICON));
+}
+
+QWidget *ClangFormatOptionsPage::widget()
+{
+    m_settings->read();
+
+    if (!m_widget) {
+        m_widget = new ClangFormatOptionsPageWidget(m_settings);
+        if (m_searchKeywords.isEmpty())
+            m_searchKeywords = m_widget->searchKeywords();
+    }
+    m_widget->restore();
+
+    return m_widget;
+}
+
+void ClangFormatOptionsPage::apply()
+{
+    if (m_widget)
+        m_widget->apply();
+}
+
+void ClangFormatOptionsPage::finish()
+{
+}
+
+bool ClangFormatOptionsPage::matches(const QString &searchKeyWord) const
+{
+    return m_searchKeywords.contains(searchKeyWord, Qt::CaseInsensitive);
+}
+
+} // namespace ClangFormat
+} // namespace Internal
+} // namespace Beautifier