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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "window.h"
+
+//! [0]
+Window::Window(QWidget *parent)
+ : QDialog(parent)
+{
+ browseButton = createButton(tr("&Browse..."), SLOT(browse()));
+ findButton = createButton(tr("&Find"), SLOT(find()));
+
+ fileComboBox = createComboBox(tr("*"));
+ textComboBox = createComboBox();
+ directoryComboBox = createComboBox(QDir::currentPath());
+
+ fileLabel = new QLabel(tr("Named:"));
+ textLabel = new QLabel(tr("Containing text:"));
+ directoryLabel = new QLabel(tr("In directory:"));
+ filesFoundLabel = new QLabel;
+
+ createFilesTable();
+//! [0]
+
+//! [1]
+ QHBoxLayout *buttonsLayout = new QHBoxLayout;
+ buttonsLayout->addStretch();
+ buttonsLayout->addWidget(findButton);
+
+ QGridLayout *mainLayout = new QGridLayout;
+ mainLayout->addWidget(fileLabel, 0, 0);
+ mainLayout->addWidget(fileComboBox, 0, 1, 1, 2);
+ mainLayout->addWidget(textLabel, 1, 0);
+ mainLayout->addWidget(textComboBox, 1, 1, 1, 2);
+ mainLayout->addWidget(directoryLabel, 2, 0);
+ mainLayout->addWidget(directoryComboBox, 2, 1);
+ mainLayout->addWidget(browseButton, 2, 2);
+ mainLayout->addWidget(filesTable, 3, 0, 1, 3);
+ mainLayout->addWidget(filesFoundLabel, 4, 0);
+ mainLayout->addLayout(buttonsLayout, 5, 0, 1, 3);
+ setLayout(mainLayout);
+
+ setWindowTitle(tr("Find Files"));
+ resize(700, 300);
+}
+//! [1]
+
+//! [2]
+void Window::browse()
+{
+ QString directory = QFileDialog::getExistingDirectory(this,
+ tr("Find Files"), QDir::currentPath());
+
+ if (!directory.isEmpty()) {
+ if (directoryComboBox->findText(directory) == -1)
+ directoryComboBox->addItem(directory);
+ directoryComboBox->setCurrentIndex(directoryComboBox->findText(directory));
+ }
+}
+//! [2]
+
+static void updateComboBox(QComboBox *comboBox)
+{
+ if (comboBox->findText(comboBox->currentText()) == -1)
+ comboBox->addItem(comboBox->currentText());
+}
+
+//! [3]
+void Window::find()
+{
+ filesTable->setRowCount(0);
+
+ QString fileName = fileComboBox->currentText();
+ QString text = textComboBox->currentText();
+ QString path = directoryComboBox->currentText();
+//! [3]
+
+ updateComboBox(fileComboBox);
+ updateComboBox(textComboBox);
+ updateComboBox(directoryComboBox);
+
+//! [4]
+ currentDir = QDir(path);
+ QStringList files;
+ if (fileName.isEmpty())
+ fileName = "*";
+ files = currentDir.entryList(QStringList(fileName),
+ QDir::Files | QDir::NoSymLinks);
+
+ if (!text.isEmpty())
+ files = findFiles(files, text);
+ showFiles(files);
+}
+//! [4]
+
+//! [5]
+QStringList Window::findFiles(const QStringList &files, const QString &text)
+{
+ QProgressDialog progressDialog(this);
+ progressDialog.setCancelButtonText(tr("&Cancel"));
+ progressDialog.setRange(0, files.size());
+ progressDialog.setWindowTitle(tr("Find Files"));
+
+//! [5] //! [6]
+ QStringList foundFiles;
+
+ for (int i = 0; i < files.size(); ++i) {
+ progressDialog.setValue(i);
+ progressDialog.setLabelText(tr("Searching file number %1 of %2...")
+ .arg(i).arg(files.size()));
+ qApp->processEvents();
+//! [6]
+
+ if (progressDialog.wasCanceled())
+ break;
+
+//! [7]
+ QFile file(currentDir.absoluteFilePath(files[i]));
+
+ if (file.open(QIODevice::ReadOnly)) {
+ QString line;
+ QTextStream in(&file);
+ while (!in.atEnd()) {
+ if (progressDialog.wasCanceled())
+ break;
+ line = in.readLine();
+ if (line.contains(text)) {
+ foundFiles << files[i];
+ break;
+ }
+ }
+ }
+ }
+ return foundFiles;
+}
+//! [7]
+
+//! [8]
+void Window::showFiles(const QStringList &files)
+{
+ for (int i = 0; i < files.size(); ++i) {
+ QFile file(currentDir.absoluteFilePath(files[i]));
+ qint64 size = QFileInfo(file).size();
+
+ QTableWidgetItem *fileNameItem = new QTableWidgetItem(files[i]);
+ fileNameItem->setFlags(fileNameItem->flags() ^ Qt::ItemIsEditable);
+ QTableWidgetItem *sizeItem = new QTableWidgetItem(tr("%1 KB")
+ .arg(int((size + 1023) / 1024)));
+ sizeItem->setTextAlignment(Qt::AlignRight | Qt::AlignVCenter);
+ sizeItem->setFlags(sizeItem->flags() ^ Qt::ItemIsEditable);
+
+ int row = filesTable->rowCount();
+ filesTable->insertRow(row);
+ filesTable->setItem(row, 0, fileNameItem);
+ filesTable->setItem(row, 1, sizeItem);
+ }
+ filesFoundLabel->setText(tr("%1 file(s) found").arg(files.size()) +
+ (" (Double click on a file to open it)"));
+}
+//! [8]
+
+//! [9]
+QPushButton *Window::createButton(const QString &text, const char *member)
+{
+ QPushButton *button = new QPushButton(text);
+ connect(button, SIGNAL(clicked()), this, member);
+ return button;
+}
+//! [9]
+
+//! [10]
+QComboBox *Window::createComboBox(const QString &text)
+{
+ QComboBox *comboBox = new QComboBox;
+ comboBox->setEditable(true);
+ comboBox->addItem(text);
+ comboBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
+ return comboBox;
+}
+//! [10]
+
+//! [11]
+void Window::createFilesTable()
+{
+ filesTable = new QTableWidget(0, 2);
+ filesTable->setSelectionBehavior(QAbstractItemView::SelectRows);
+
+ QStringList labels;
+ labels << tr("File Name") << tr("Size");
+ filesTable->setHorizontalHeaderLabels(labels);
+ filesTable->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
+ filesTable->verticalHeader()->hide();
+ filesTable->setShowGrid(false);
+
+ connect(filesTable, SIGNAL(cellActivated(int, int)),
+ this, SLOT(openFileOfItem(int, int)));
+}
+//! [11]
+
+//! [12]
+
+void Window::openFileOfItem(int row, int /* column */)
+{
+ QTableWidgetItem *item = filesTable->item(row, 0);
+
+ QDesktopServices::openUrl(currentDir.absoluteFilePath(item->text()));
+}
+
+//! [12]
+
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