//findfileform.cpp#include <QtGui>#include "findfileform.h"CFindFileForm::CFindFileForm(QWidget* parent) :	QWidget(parent), 	m_bStoped(false),	m_nCount(0){	setupUi(this);		statusLabel->setText(tr("就緒"));		resultLabel->setText(tr("找到0個文件"));	nameComboBox->setEditText("*");	dirComboBox->setEditText(QDir::currentPath());	dirComboBox->addItem(QDir::currentPath());	sensitiveCheckBox->setEnabled(false);		connect(findPushBtn, SIGNAL(clicked()), this, SLOT(find()));	connect(stopPushBtn, SIGNAL(clicked()), this, SLOT(stop()));	connect(closePushBtn, SIGNAL(clicked()), this, SLOT(close()));	connect(browsePushBtn, SIGNAL(clicked()), this, SLOT(browse()));	connect(txtLineEdit, SIGNAL(textChanged(const QString&)), this, SLOT(doTxtChange(const QString&)));}void CFindFileForm::browse(){     QString dir = QFileDialog::getExistingDirectory(this,                                tr("選擇查找路徑"), 								QDir::currentPath(),								QFileDialog::ShowDirsOnly);     if (!dir.isEmpty()) {         dirComboBox->addItem(dir);         dirComboBox->setCurrentIndex(dirComboBox->currentIndex() + 1);     }}void CFindFileForm::find(){	 frame->setEnabled(false);     findPushBtn->setEnabled(false);	 stopPushBtn->setEnabled(true);	 statusLabel->setText(tr("正在搜索..."));	 resultTableWidget->setRowCount(0);     QString fileName = nameComboBox->currentText();     QString txt = txtLineEdit->text();     QString path = dirComboBox->currentText();	 m_bSubfolder = subfolderCheckBox->isChecked();	 m_bSensitive = sensitiveCheckBox->isChecked();     m_nCount = 0;	 m_bStoped = false;	 QDir dir = QDir(path);     if (fileName.isEmpty())         fileName = "*";	 	tranvFolder(dir,fileName, txt);	 	 if(m_bStoped)	 	statusLabel->setText(tr("已中止"));	else		statusLabel->setText(tr("就緒"));	findPushBtn->setEnabled(true);	 stopPushBtn->setEnabled(false);	 frame->setEnabled(true);}void CFindFileForm::tranvFolder(const QDir& dir, const QString& fileName, const QString txt){	if(m_bSubfolder)	{		QStringList folders;		folders = dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);		for (int i = 0; i < folders.size(); ++i) 		{						qApp->processEvents();			if (m_bStoped)				break;							QString strDir = QString("%1/%2").arg(dir.absolutePath()).arg(folders[i]);			tranvFolder(strDir, fileName, txt);		}	}	QStringList files = findFiles(dir, fileName, txt);	showFiles(dir, files);	m_nCount += files.size();		resultLabel->setText(tr("找到%1個文件").arg(m_nCount));						}QStringList CFindFileForm::findFiles(const QDir &dir, const QString &fileName,                               const QString &txt){		 QStringList files = dir.entryList(QStringList(fileName),                                 QDir::Files | QDir::NoSymLinks);	if (txt.isEmpty())         return files;	QStringList foundFiles;	Qt::CaseSensitivity sensitive = Qt::CaseInsensitive;	if(m_bSensitive)		sensitive = Qt::CaseSensitive; for (int i = 0; i < files.size(); ++i) 	{        qApp->processEvents();        if (m_bStoped)             break;        QFile file(dir.absoluteFilePath(files[i]));        if (file.open(QIODevice::ReadOnly)) 		{            QString line;            QTextStream in(&file);            while (!in.atEnd()) 			{				if (m_bStoped)             		break;                line = in.readLine();                if (line.contains(txt, sensitive)) 				{                    foundFiles << files[i];                    break;                }            }        }    }    return foundFiles;}void CFindFileForm::showFiles(const QDir &dir, const QStringList &files){	for (int i = 0; i < files.size(); ++i) {		QString strFilePath = dir.absoluteFilePath(files[i]);		QFile file(strFilePath);		QFileInfo fileInfo(file);		qint64 size = fileInfo.size();		QDateTime dateTime = fileInfo.created();		QString strDateTime = dateTime.toString(tr("yyyy MM月dd日hh:mm"));		QString strPermission;		if(fileInfo.isWritable())			strPermission = ("w");		if(fileInfo.isReadable())			strPermission.append(" r");		if(fileInfo.isExecutable())			strPermission.append(" x");			QTableWidgetItem *fileNameItem = new QTableWidgetItem(strFilePath);		fileNameItem->setFlags(Qt::ItemIsEnabled);		QTableWidgetItem *sizeItem = new QTableWidgetItem(tr("%1 KB")											.arg(int((size + 1023) / 1024)));		sizeItem->setTextAlignment(Qt::AlignRight | Qt::AlignVCenter);		sizeItem->setFlags(Qt::ItemIsEnabled);		QTableWidgetItem* createdItem = new QTableWidgetItem(strDateTime);		QTableWidgetItem* permissionItem = new QTableWidgetItem(strPermission);			int row = resultTableWidget->rowCount();		resultTableWidget->insertRow(row);		resultTableWidget->setItem(row, 0, fileNameItem);		resultTableWidget->setItem(row, 1, sizeItem);		resultTableWidget->setItem(row, 2, createdItem);		resultTableWidget->setItem(row, 3, permissionItem);	}}void CFindFileForm::stop(){	m_bStoped = true;}void CFindFileForm::doTxtChange(const QString& txt){	if(txt.isEmpty())		sensitiveCheckBox->setEnabled(false);	else		sensitiveCheckBox->setEnabled(true);}