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VCS/CleanDialog: Simplify code and make some tweaks

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There is no need for a separate class with signals. Add support for
cancel and report some kind of progress. Also use Utils::runAsync
instead of QtConcurrent.

Change-Id: I5d61d32644f99ccb6ba8e0d7e17f138956822424
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
This commit is contained in:
Eike Ziller
2016-01-21 15:34:14 +01:00
parent 6149fc800e
commit 647a351cda
1 changed files with 34 additions and 47 deletions
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81
src/plugins/vcsbase/cleandialog.cpp
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@@ -29,6 +29,7 @@
#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/progressmanager/progressmanager.h>
#include <utils/runextensions.h>
#include <QStandardItemModel>
#include <QMessageBox>
@@ -41,8 +42,7 @@
#include <QFileInfo>
#include <QDebug>
#include <QDateTime>
#include <QFuture>
#include <QtConcurrentRun>
#include <QTimer>
namespace VcsBase {
namespace Internal {
@@ -51,8 +51,11 @@ enum { nameColumn, columnCount };
enum { fileNameRole = Qt::UserRole, isDirectoryRole = Qt::UserRole + 1 };
// Helper for recursively removing files.
static void removeFileRecursion(const QFileInfo &f, QString *errorMessage)
static void removeFileRecursion(QFutureInterface<void> &futureInterface,
const QFileInfo &f, QString *errorMessage)
{
if (futureInterface.isCanceled())
return;
// The version control system might list files/directory in arbitrary
// order, causing files to be removed from parent directories.
if (!f.exists())
@@ -60,7 +63,7 @@ static void removeFileRecursion(const QFileInfo &f, QString *errorMessage)
if (f.isDir()) {
const QDir dir(f.absoluteFilePath());
foreach (const QFileInfo &fi, dir.entryInfoList(QDir::AllEntries|QDir::NoDotAndDotDot|QDir::Hidden))
removeFileRecursion(fi, errorMessage);
removeFileRecursion(futureInterface, fi, errorMessage);
QDir parent = f.absoluteDir();
if (!parent.rmdir(f.fileName()))
errorMessage->append(VcsBase::CleanDialog::tr("The directory %1 could not be deleted.").
@@ -75,46 +78,35 @@ static void removeFileRecursion(const QFileInfo &f, QString *errorMessage)
}
}
// A QFuture task for cleaning files in the background.
// Emits error signal if not all files can be deleted.
class CleanFilesTask : public QObject
// Cleaning files in the background
static void runCleanFiles(QFutureInterface<void> &futureInterface,
const QString &repository, const QStringList &files,
const std::function<void(const QString&)> &errorHandler)
{
Q_OBJECT
public:
explicit CleanFilesTask(const QString &repository, const QStringList &files);
void run();
signals:
void error(const QString &e);
private:
const QString m_repository;
const QStringList m_files;
QString m_errorMessage;
};
CleanFilesTask::CleanFilesTask(const QString &repository, const QStringList &files) :
m_repository(repository), m_files(files)
{
}
void CleanFilesTask::run()
{
foreach (const QString &name, m_files)
removeFileRecursion(QFileInfo(name), &m_errorMessage);
if (!m_errorMessage.isEmpty()) {
QString errorMessage;
futureInterface.setProgressRange(0, files.size());
futureInterface.setProgressValue(0);
foreach (const QString &name, files) {
removeFileRecursion(futureInterface, QFileInfo(name), &errorMessage);
if (futureInterface.isCanceled())
break;
futureInterface.setProgressValue(futureInterface.progressValue() + 1);
}
if (!errorMessage.isEmpty()) {
// Format and emit error.
const QString msg = CleanDialog::tr("There were errors when cleaning the repository %1:").
arg(QDir::toNativeSeparators(m_repository));
m_errorMessage.insert(0, QLatin1Char('\n'));
m_errorMessage.insert(0, msg);
emit error(m_errorMessage);
arg(QDir::toNativeSeparators(repository));
errorMessage.insert(0, QLatin1Char('\n'));
errorMessage.insert(0, msg);
errorHandler(errorMessage);
}
// Run in background, need to delete ourselves
this->deleteLater();
}
static void handleError(const QString &errorMessage)
{
QTimer::singleShot(0, VcsOutputWindow::instance(), [errorMessage]() {
VcsOutputWindow::instance()->appendSilently(errorMessage);
});
}
// ---------------- CleanDialogPrivate ----------------
@@ -258,12 +250,9 @@ bool CleanDialog::promptToDelete()
return false;
// Remove in background
auto cleanTask = new Internal::CleanFilesTask(d->m_workingDirectory, selectedFiles);
connect(cleanTask, &Internal::CleanFilesTask::error,
VcsOutputWindow::instance(), &VcsOutputWindow::appendSilently,
Qt::QueuedConnection);
QFuture<void> task = Utils::runAsync<void>(Internal::runCleanFiles, d->m_workingDirectory,
selectedFiles, Internal::handleError);
QFuture<void> task = QtConcurrent::run(cleanTask, &Internal::CleanFilesTask::run);
const QString taskName = tr("Cleaning \"%1\"").
arg(QDir::toNativeSeparators(d->m_workingDirectory));
Core::ProgressManager::addTask(task, taskName, "VcsBase.cleanRepository");
@@ -306,5 +295,3 @@ void CleanDialog::updateSelectAllCheckBox()
}
} // namespace VcsBase
#include "cleandialog.moc"