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ProjectExplorer: Add a way to scan a directory for filenodes

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This is useful for several project types, so do this properly in
ProjectExplorer.

Change-Id: Ic659ff6824daffaeb441e11f5072d496194d48fe
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
This commit is contained in:
Tobias Hunger
2016-10-20 13:27:10 +02:00
parent fd6b3cd484
commit e86383c741
2 changed files with 58 additions and 0 deletions
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51
src/plugins/projectexplorer/projectnodes.cpp
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@@ -220,6 +220,57 @@ FileNode *FileNode::asFileNode()
return this;
}
static QList<FileNode *> scanForFilesRecursively(const Utils::FileName &directory,
const std::function<FileNode *(const Utils::FileName &)> factory,
QSet<QString> &visited, QFutureInterface<QList<FileNode*>> *future,
double progressStart, double progressRange)
{
QList<FileNode *> result;
const QDir baseDir = QDir(directory.toString());
// Do not follow directory loops:
const int visitedCount = visited.count();
visited.insert(baseDir.canonicalPath());
if (visitedCount == visited.count())
return result;
const Core::IVersionControl *vcsControl
= Core::VcsManager::findVersionControlForDirectory(baseDir.absolutePath(), nullptr);
const QList<QFileInfo> entries = baseDir.entryInfoList(QStringList(), QDir::AllEntries|QDir::NoDotAndDotDot);
double progress = 0;
const double progressIncrement = progressRange / static_cast<double>(entries.count());
int lastIntProgress = 0;
for (const QFileInfo &entry : entries) {
const Utils::FileName entryName = Utils::FileName::fromString(entry.absoluteFilePath());
if (!vcsControl || !vcsControl->isVcsFileOrDirectory(entryName)) {
if (entry.isDir())
result.append(scanForFilesRecursively(entryName, factory, visited, future, progress, progressIncrement));
else
result.append(factory(entryName));
}
if (future) {
progress += progressIncrement;
const int intProgress = std::min(static_cast<int>(progressStart + progress), future->progressMaximum());
if (lastIntProgress < intProgress) {
future->setProgressValue(intProgress);
lastIntProgress = intProgress;
}
}
}
if (future)
future->setProgressValue(std::min(static_cast<int>(progressStart + progressRange), future->progressMaximum()));
return result;
}
QList<FileNode *> FileNode::scanForFiles(const Utils::FileName &directory,
const std::function<FileNode *(const Utils::FileName &)> factory,
QFutureInterface<QList<FileNode*>> *future)
{
QSet<QString> visited;
future->setProgressRange(0, 1000000);
return scanForFilesRecursively(directory, factory, visited, future, 0.0, 1000000.0);
}
/*!
\class ProjectExplorer::FolderNode