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330
barecode/src/editor/FileSearchPanel.cpp
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330
barecode/src/editor/FileSearchPanel.cpp
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#include "FileSearchPanel.h"
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#include <QDir>
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#include <QDirIterator>
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#include <QFile>
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#include <QTextStream>
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#include <QRegularExpression>
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#include <QKeyEvent>
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#include <QtConcurrent/QtConcurrent>
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#include <QFuture>
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// ---------------------------------------------------------------------------
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// Konstruktor
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// ---------------------------------------------------------------------------
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FileSearchPanel::FileSearchPanel(QWidget *parent)
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: QWidget(parent)
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{
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setupUi();
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hide();
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m_watcher = new QFutureWatcher<QList<Match>>(this);
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connect(m_watcher, &QFutureWatcher<QList<Match>>::finished,
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this, &FileSearchPanel::onSearchFinished);
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}
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// ---------------------------------------------------------------------------
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// UI
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// ---------------------------------------------------------------------------
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void FileSearchPanel::setupUi()
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{
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QVBoxLayout *root = new QVBoxLayout(this);
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root->setContentsMargins(6, 4, 6, 4);
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root->setSpacing(4);
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// ---- Zeile 1: Suchbegriff ----
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QHBoxLayout *row1 = new QHBoxLayout();
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row1->addWidget(new QLabel(tr("Suchen in Dateien:"), this));
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m_searchEdit = new QLineEdit(this);
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m_searchEdit->setPlaceholderText(tr("Suchbegriff…"));
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m_searchEdit->setClearButtonEnabled(true);
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row1->addWidget(m_searchEdit, 1);
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m_btnSearch = new QPushButton(tr("Suchen"), this);
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m_btnSearch->setDefault(true);
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row1->addWidget(m_btnSearch);
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m_btnClose = new QPushButton(tr("✕"), this);
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m_btnClose->setFixedWidth(24);
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m_btnClose->setFlat(true);
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m_btnClose->setToolTip(tr("Schließen"));
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row1->addWidget(m_btnClose);
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root->addLayout(row1);
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// ---- Zeile 2: Optionen + Filter ----
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QHBoxLayout *row2 = new QHBoxLayout();
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m_chkCase = new QCheckBox(tr("Groß-/Kleinschreibung"), this);
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m_chkWord = new QCheckBox(tr("Ganzes Wort"), this);
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m_chkRegex = new QCheckBox(tr("Regex"), this);
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row2->addWidget(m_chkCase);
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row2->addWidget(m_chkWord);
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row2->addWidget(m_chkRegex);
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row2->addSpacing(12);
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row2->addWidget(new QLabel(tr("Dateitypen:"), this));
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m_filterEdit = new QLineEdit(this);
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m_filterEdit->setText("*.html *.php *.css *.js *.c *.cpp *.h");
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m_filterEdit->setFixedWidth(220);
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m_filterEdit->setToolTip(tr("Leerzeichen-getrennte Muster, z.B.: *.php *.html"));
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row2->addWidget(m_filterEdit);
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row2->addStretch();
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root->addLayout(row2);
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// ---- Fortschritt + Status ----
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m_progress = new QProgressBar(this);
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m_progress->setRange(0, 0); // Unbestimmter Modus
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m_progress->setFixedHeight(4);
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m_progress->hide();
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root->addWidget(m_progress);
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m_statusLabel = new QLabel(this);
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m_statusLabel->setStyleSheet("color: palette(mid);");
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root->addWidget(m_statusLabel);
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// ---- Ergebnisliste ----
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m_results = new QTreeWidget(this);
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m_results->setHeaderHidden(true);
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m_results->setRootIsDecorated(true);
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m_results->setIndentation(16);
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m_results->setUniformRowHeights(true);
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m_results->setAlternatingRowColors(true);
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root->addWidget(m_results, 1);
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// ---- Verbindungen ----
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connect(m_btnSearch, &QPushButton::clicked, this, &FileSearchPanel::onSearch);
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connect(m_searchEdit, &QLineEdit::returnPressed, this, &FileSearchPanel::onSearch);
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connect(m_btnClose, &QPushButton::clicked, this, [this]()
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{
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hide();
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});
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connect(m_results, &QTreeWidget::itemActivated,
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this, &FileSearchPanel::onResultActivated);
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}
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// ---------------------------------------------------------------------------
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// Öffentliche Schnittstelle
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// ---------------------------------------------------------------------------
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void FileSearchPanel::setSearchRoot(const QString &path)
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{
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m_searchRoot = path;
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}
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void FileSearchPanel::activate()
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{
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show();
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m_searchEdit->setFocus();
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m_searchEdit->selectAll();
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}
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// ---------------------------------------------------------------------------
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// Suche starten
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// ---------------------------------------------------------------------------
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void FileSearchPanel::onSearch()
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{
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const QString needle = m_searchEdit->text().trimmed();
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if (needle.isEmpty())
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{
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return;
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}
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if (m_searchRoot.isEmpty())
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{
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m_statusLabel->setText(tr("Kein Projektverzeichnis geöffnet."));
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return;
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}
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// Laufende Suche abbrechen
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if (m_watcher->isRunning())
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{
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m_watcher->cancel();
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m_watcher->waitForFinished();
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}
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m_results->clear();
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m_statusLabel->setText(tr("Suche läuft…"));
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m_progress->show();
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m_btnSearch->setEnabled(false);
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const QString root = m_searchRoot;
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const bool cs = m_chkCase->isChecked();
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const bool word = m_chkWord->isChecked();
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const bool regex = m_chkRegex->isChecked();
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const QStringList extensions = m_filterEdit->text().simplified().split(' ',
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Qt::SkipEmptyParts);
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QFuture<QList<Match>> future = QtConcurrent::run(
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[this, root, needle, cs, word, regex, extensions]()
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{
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return searchInFiles(root, needle, cs, word, regex, extensions);
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}
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);
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m_watcher->setFuture(future);
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}
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// ---------------------------------------------------------------------------
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// Suchergebnisse anzeigen
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// ---------------------------------------------------------------------------
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void FileSearchPanel::onSearchFinished()
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{
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m_progress->hide();
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m_btnSearch->setEnabled(true);
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if (m_watcher->isCanceled())
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{
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return;
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}
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const QList<Match> matches = m_watcher->result();
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// Ergebnisse gruppiert nach Datei aufbauen
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QString currentFile;
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QTreeWidgetItem *fileItem = nullptr;
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int fileCount = 0;
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int matchCount = 0;
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for (const Match &m : matches)
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{
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if (m.filePath != currentFile)
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{
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currentFile = m.filePath;
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++fileCount;
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fileItem = new QTreeWidgetItem(m_results);
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fileItem->setText(0, QFileInfo(m.filePath).fileName());
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fileItem->setToolTip(0, m.filePath);
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fileItem->setData(0, Qt::UserRole, m.filePath);
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fileItem->setData(0, Qt::UserRole + 1, -1);
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QFont boldFont = fileItem->font(0);
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boldFont.setBold(true);
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fileItem->setFont(0, boldFont);
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fileItem->setExpanded(true);
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}
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QTreeWidgetItem *lineItem = new QTreeWidgetItem(fileItem);
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lineItem->setText(0, QString(" Zeile %1: %2")
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.arg(m.line)
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.arg(m.content.trimmed().left(120)));
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lineItem->setToolTip(0, m.content.trimmed());
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lineItem->setData(0, Qt::UserRole, m.filePath);
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lineItem->setData(0, Qt::UserRole + 1, m.line);
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++matchCount;
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}
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// Datei-Titelzeilen um Trefferanzahl ergänzen
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for (int i = 0; i < m_results->topLevelItemCount(); ++i)
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{
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QTreeWidgetItem *item = m_results->topLevelItem(i);
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const int count = item->childCount();
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item->setText(0, QString("%1 (%2 Treffer)")
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.arg(QFileInfo(item->data(0, Qt::UserRole).toString()).fileName())
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.arg(count));
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}
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if (matchCount == 0)
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{
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m_statusLabel->setText(tr("Keine Treffer gefunden."));
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}
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else
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{
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m_statusLabel->setText(tr("%1 Treffer in %2 Datei(en).")
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.arg(matchCount)
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.arg(fileCount));
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}
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}
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// ---------------------------------------------------------------------------
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// Klick auf Treffer → Datei + Zeile öffnen
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// ---------------------------------------------------------------------------
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void FileSearchPanel::onResultActivated(QTreeWidgetItem *item, int /*column*/)
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{
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const QString path = item->data(0, Qt::UserRole).toString();
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const int line = item->data(0, Qt::UserRole + 1).toInt();
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if (path.isEmpty() || line < 0)
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{
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// Datei-Titelzeile: nur auf-/zuklappen
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item->setExpanded(!item->isExpanded());
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return;
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}
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emit fileLineRequested(path, line);
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}
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// ---------------------------------------------------------------------------
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// Eigentliche Suchroutine (läuft in Thread-Pool)
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// ---------------------------------------------------------------------------
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QList<FileSearchPanel::Match> FileSearchPanel::searchInFiles(
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const QString &root,
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const QString &needle,
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bool caseSensitive,
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bool wholeWord,
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bool useRegex,
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const QStringList &extensions) const
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{
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QList<Match> results;
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// Regulären Ausdruck vorbereiten
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QString pattern = useRegex ? needle : QRegularExpression::escape(needle);
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if (wholeWord)
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{
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pattern = "\\b" + pattern + "\\b";
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}
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QRegularExpression re(pattern,
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caseSensitive
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? QRegularExpression::NoPatternOption
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: QRegularExpression::CaseInsensitiveOption);
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if (!re.isValid())
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{
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return results;
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}
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// Verzeichnis rekursiv durchsuchen
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QDirIterator it(root,
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extensions.isEmpty()
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? QStringList("*")
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: extensions,
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QDir::Files,
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QDirIterator::Subdirectories);
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while (it.hasNext())
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{
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if (m_watcher->isCanceled())
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{
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break;
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}
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const QString filePath = it.next();
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QFile file(filePath);
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if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
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{
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continue;
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}
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QTextStream stream(&file);
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stream.setEncoding(QStringConverter::Utf8);
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int lineNumber = 0;
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while (!stream.atEnd())
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{
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++lineNumber;
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const QString line = stream.readLine();
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if (re.match(line).hasMatch())
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{
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results.append({ filePath, lineNumber, line });
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}
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}
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}
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return results;
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}
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