forked from qt-creator/qt-creator
VCS[git]: Add support for cleaning a repository.
Present user with a checkable list of files to be cleaned (add reusable dialog to VCSBase module).
This commit is contained in:
Friedemann Kleint
264
src/plugins/vcsbase/cleandialog.cpp
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264
src/plugins/vcsbase/cleandialog.cpp
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/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt 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 Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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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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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include "cleandialog.h"
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#include "ui_cleandialog.h"
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#include "vcsbaseoutputwindow.h"
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#include <coreplugin/editormanager/editormanager.h>
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#include <coreplugin/icore.h>
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#include <coreplugin/progressmanager/progressmanager.h>
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#include <QtGui/QStandardItemModel>
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#include <QtGui/QMessageBox>
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#include <QtGui/QApplication>
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#include <QtGui/QStyle>
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#include <QtGui/QIcon>
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#include <QtCore/QDir>
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#include <QtCore/QFile>
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#include <QtCore/QFileInfo>
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#include <QtCore/QDebug>
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#include <QtCore/QDateTime>
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#include <QtCore/QFuture>
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#include <QtCore/QtConcurrentRun>
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enum { nameColumn, columnCount };
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enum { fileNameRole = Qt::UserRole, isDirectoryRole = Qt::UserRole + 1 };
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// Helper for recursively removing files.
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static void removeFileRecursion(const QFileInfo &f, QString *errorMessage)
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{
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// The version control system might list files/directory in arbitrary
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// order, causing files to be removed from parent directories.
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if (!f.exists())
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return;
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if (f.isDir()) {
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const QDir dir(f.absoluteFilePath());
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foreach(const QFileInfo &fi, dir.entryInfoList(QDir::AllEntries|QDir::NoDotAndDotDot|QDir::Hidden))
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removeFileRecursion(fi, errorMessage);
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QDir parent = f.absoluteDir();
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if (!parent.rmdir(f.fileName()))
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errorMessage->append(VCSBase::CleanDialog::tr("The directory %1 could not be deleted.").arg(f.absoluteFilePath()));
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return;
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}
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if (!QFile::remove(f.absoluteFilePath())) {
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if (!errorMessage->isEmpty())
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errorMessage->append(QLatin1Char('\n'));
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errorMessage->append(VCSBase::CleanDialog::tr("The file %1 could not be deleted.").arg(f.absoluteFilePath()));
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}
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}
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namespace VCSBase {
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// A QFuture task for cleaning files in the background.
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// Emits error signal if not all files can be deleted.
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class CleanFilesTask : public QObject {
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Q_OBJECT
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public:
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explicit CleanFilesTask(const QString &repository, const QStringList &files);
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void run();
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signals:
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void error(const QString &e);
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private:
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const QString m_repository;
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const QStringList m_files;
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QString m_errorMessage;
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};
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CleanFilesTask::CleanFilesTask(const QString &repository, const QStringList &files) :
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m_repository(repository), m_files(files)
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{
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}
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void CleanFilesTask::run()
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{
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foreach(const QString &name, m_files)
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removeFileRecursion(QFileInfo(name), &m_errorMessage);
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if (!m_errorMessage.isEmpty()) {
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// Format and emit error.
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const QString msg = CleanDialog::tr("There were errors when cleaning the repository %1:").arg(m_repository);
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m_errorMessage.insert(0, QLatin1Char('\n'));
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m_errorMessage.insert(0, msg);
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emit error(m_errorMessage);
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}
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// Run in background, need to delete ourselves
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this->deleteLater();
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}
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// ---------------- CleanDialogPrivate ----------------
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struct CleanDialogPrivate {
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CleanDialogPrivate();
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Ui::CleanDialog ui;
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QStandardItemModel *m_filesModel;
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QString m_workingDirectory;
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};
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CleanDialogPrivate::CleanDialogPrivate() : m_filesModel(new QStandardItemModel(0, columnCount))
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{
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}
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CleanDialog::CleanDialog(QWidget *parent) :
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QDialog(parent),
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d(new CleanDialogPrivate)
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{
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setModal(true);
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setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
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d->ui.setupUi(this);
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d->ui.buttonBox->addButton(tr("Delete..."), QDialogButtonBox::AcceptRole);
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d->m_filesModel->setHorizontalHeaderLabels(QStringList(tr("Name")));
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d->ui.filesTreeView->setModel(d->m_filesModel);
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d->ui.filesTreeView->setUniformRowHeights(true);
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d->ui.filesTreeView->setSelectionMode(QAbstractItemView::NoSelection);
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d->ui.filesTreeView->setAllColumnsShowFocus(true);
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d->ui.filesTreeView->setRootIsDecorated(false);
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connect(d->ui.filesTreeView, SIGNAL(doubleClicked(QModelIndex)),
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this, SLOT(slotDoubleClicked(QModelIndex)));
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}
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CleanDialog::~CleanDialog()
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{
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delete d;
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}
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void CleanDialog::setFileList(const QString &workingDirectory, const QStringList &l)
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{
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d->m_workingDirectory = workingDirectory;
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d->ui.groupBox->setTitle(tr("Repository: %1").arg(workingDirectory));
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if (const int oldRowCount = d->m_filesModel->rowCount())
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d->m_filesModel->removeRows(0, oldRowCount);
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QStyle *style = QApplication::style();
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const QIcon folderIcon = style->standardIcon(QStyle::SP_DirIcon);
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const QIcon fileIcon = style->standardIcon(QStyle::SP_FileIcon);
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const QString diffSuffix = QLatin1String(".diff");
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const QString patchSuffix = QLatin1String(".patch");
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const QChar slash = QLatin1Char('/');
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// Do not initially check patches for deletion.
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foreach(const QString &fileName, l) {
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const QFileInfo fi(workingDirectory + slash + fileName);
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const bool isDir = fi.isDir();
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QStandardItem *nameItem = new QStandardItem(QDir::toNativeSeparators(fileName));
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nameItem->setFlags(Qt::ItemIsUserCheckable|Qt::ItemIsEnabled);
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nameItem->setIcon(isDir ? folderIcon : fileIcon);
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const bool isPatch = !isDir && (fileName.endsWith(diffSuffix)
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|| fileName.endsWith(patchSuffix));
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nameItem->setCheckable(true);
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nameItem->setCheckState(isPatch ? Qt::Unchecked : Qt::Checked);
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nameItem->setData(QVariant(fi.absoluteFilePath()), fileNameRole);
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nameItem->setData(QVariant(isDir), isDirectoryRole);
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// Tooltip with size information
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if (fi.isFile()) {
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const QString lastModified = fi.lastModified().toString(Qt::DefaultLocaleShortDate);
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nameItem->setToolTip(tr("%1 bytes, last modified %2")
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.arg(fi.size()).arg(lastModified));
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}
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d->m_filesModel->appendRow(nameItem);
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}
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for (int c = 0; c < d->m_filesModel->columnCount(); c++)
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d->ui.filesTreeView->resizeColumnToContents(c);
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}
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QStringList CleanDialog::checkedFiles() const
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{
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QStringList rc;
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if (const int rowCount = d->m_filesModel->rowCount()) {
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for (int r = 0; r < rowCount; r++) {
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const QStandardItem *item = d->m_filesModel->item(r, 0);
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if (item->checkState() == Qt::Checked)
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rc.push_back(item->data(fileNameRole).toString());
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}
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}
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return rc;
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}
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void CleanDialog::accept()
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{
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if (promptToDelete())
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QDialog::accept();
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}
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bool CleanDialog::promptToDelete()
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{
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// Prompt the user and delete files
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const QStringList selectedFiles = checkedFiles();
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if (selectedFiles.isEmpty())
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return true;
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if (QMessageBox::question(this, tr("Delete"),
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tr("Do you want to delete %n files?", 0, selectedFiles.size()),
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QMessageBox::Yes|QMessageBox::No, QMessageBox::Yes) != QMessageBox::Yes)
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return false;
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// Remove in background
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CleanFilesTask *cleanTask = new CleanFilesTask(d->m_workingDirectory, selectedFiles);
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connect(cleanTask, SIGNAL(error(QString)),
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VCSBase::VCSBaseOutputWindow::instance(), SLOT(appendSilently(QString)),
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Qt::QueuedConnection);
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QFuture<void> task = QtConcurrent::run(cleanTask, &CleanFilesTask::run);
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const QString taskName = tr("Cleaning %1").arg(d->m_workingDirectory);
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Core::ICore::instance()->progressManager()->addTask(task, taskName,
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QLatin1String("VCSBase.cleanRepository"));
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return true;
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}
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void CleanDialog::slotDoubleClicked(const QModelIndex &index)
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{
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// Open file on doubleclick
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if (const QStandardItem *item = d->m_filesModel->itemFromIndex(index))
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if (!item->data(isDirectoryRole).toBool()) {
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const QString fname = item->data(fileNameRole).toString();
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Core::EditorManager::instance()->openEditor(fname);
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}
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}
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void CleanDialog::changeEvent(QEvent *e)
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{
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QDialog::changeEvent(e);
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switch (e->type()) {
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case QEvent::LanguageChange:
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d->ui.retranslateUi(this);
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break;
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default:
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break;
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}
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}
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} // namespace VCSBase
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#include "cleandialog.moc"
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