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/configurationpanel.cpp

@@ -0,0 +1,131 @@
+/**************************************************************************
+**
+** 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 "configurationpanel.h"
+#include "ui_configurationpanel.h"
+
+#include "abstractsettings.h"
+#include "configurationdialog.h"
+
+#include <QPointer>
+
+namespace Beautifier {
+namespace Internal {
+
+ConfigurationPanel::ConfigurationPanel(QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::ConfigurationPanel),
+    m_settings(0)
+{
+    ui->setupUi(this);
+    connect(ui->add, SIGNAL(clicked()), this, SLOT(add()));
+    connect(ui->edit, SIGNAL(clicked()), this, SLOT(edit()));
+    connect(ui->remove, SIGNAL(clicked()), this, SLOT(remove()));
+    connect(ui->configurations, SIGNAL(currentIndexChanged(int)), this, SLOT(updateButtons()));
+}
+
+ConfigurationPanel::~ConfigurationPanel()
+{
+    delete ui;
+}
+
+void ConfigurationPanel::setSettings(AbstractSettings *settings)
+{
+    m_settings = settings;
+    populateConfigurations();
+}
+
+void ConfigurationPanel::setCurrentConfiguration(const QString &text)
+{
+    ui->configurations->setCurrentText(text);
+}
+
+QString ConfigurationPanel::currentConfiguration() const
+{
+    return ui->configurations->currentText();
+}
+
+void ConfigurationPanel::remove()
+{
+    m_settings->removeStyle(ui->configurations->currentText());
+    populateConfigurations();
+}
+
+void ConfigurationPanel::add()
+{
+    ConfigurationDialog dialog;
+    dialog.setWindowTitle(tr("Add Configuration"));
+    dialog.setSettings(m_settings);
+    if (QDialog::Accepted == dialog.exec()) {
+        const QString key = dialog.key();
+        m_settings->setStyle(key, dialog.value());
+        populateConfigurations(key);
+    }
+}
+
+void ConfigurationPanel::edit()
+{
+    const QString key = ui->configurations->currentText();
+    ConfigurationDialog dialog;
+    dialog.setWindowTitle(tr("Edit Configuration"));
+    dialog.setSettings(m_settings);
+    dialog.setKey(key);
+    if (QDialog::Accepted == dialog.exec()) {
+        const QString newKey = dialog.key();
+        if (newKey == key) {
+            m_settings->setStyle(key, dialog.value());
+        } else {
+            m_settings->replaceStyle(key, newKey, dialog.value());
+            ui->configurations->setItemText(ui->configurations->currentIndex(), newKey);
+        }
+    }
+}
+
+void ConfigurationPanel::populateConfigurations(const QString &key)
+{
+    ui->configurations->blockSignals(true);
+    const QString currentText = (!key.isEmpty()) ? key : ui->configurations->currentText();
+    ui->configurations->clear();
+    ui->configurations->addItems(m_settings->styles());
+    ui->configurations->setCurrentText(currentText);
+    updateButtons();
+    ui->configurations->blockSignals(false);
+}
+
+void ConfigurationPanel::updateButtons()
+{
+    const bool enabled
+            = ((ui->configurations->count() > 0)
+               && !m_settings->styleIsReadOnly(ui->configurations->currentText()));
+    ui->remove->setEnabled(enabled);
+    ui->edit->setEnabled(enabled);
+}
+
+} // namespace Internal
+} // namespace Beautifier