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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 "findfiledialog.h"
//! [0]
FindFileDialog::FindFileDialog(QTextEdit *editor, QAssistantClient *assistant,
QWidget *parent)
: QDialog(parent)
{
currentAssistantClient = assistant;
currentEditor = editor;
//! [0]
createButtons();
createComboBoxes();
createFilesTree();
createLabels();
createLayout();
directoryComboBox->addItem(QDir::toNativeSeparators(QDir::currentPath()));
fileNameComboBox->addItem("*");
findFiles();
setWindowTitle(tr("Find File"));
//! [1]
}
//! [1]
void FindFileDialog::browse()
{
QString currentDirectory = directoryComboBox->currentText();
QString newDirectory = QFileDialog::getExistingDirectory(this,
tr("Select Directory"), currentDirectory);
if (!newDirectory.isEmpty()) {
directoryComboBox->addItem(QDir::toNativeSeparators(newDirectory));
directoryComboBox->setCurrentIndex(directoryComboBox->count() - 1);
update();
}
}
//! [2]
void FindFileDialog::help()
{
currentAssistantClient->showPage(QLibraryInfo::location(QLibraryInfo::ExamplesPath) +
QDir::separator() + "assistant/simpletextviewer/documentation/filedialog.html");
}
//! [2]
void FindFileDialog::openFile(QTreeWidgetItem *item)
{
if (!item) {
item = foundFilesTree->currentItem();
if (!item)
return;
}
QString fileName = item->text(0);
QString path = directoryComboBox->currentText() + QDir::separator();
QFile file(path + fileName);
if (file.open(QIODevice::ReadOnly)) {
QString data(file.readAll());
if (fileName.endsWith(".html"))
currentEditor->setHtml(data);
else
currentEditor->setPlainText(data);
}
close();
}
void FindFileDialog::update()
{
findFiles();
buttonBox->button(QDialogButtonBox::Open)->setEnabled(
foundFilesTree->topLevelItemCount() > 0);
}
void FindFileDialog::findFiles()
{
QRegExp filePattern(fileNameComboBox->currentText() + "*");
filePattern.setPatternSyntax(QRegExp::Wildcard);
QDir directory(directoryComboBox->currentText());
QStringList allFiles = directory.entryList(QDir::Files | QDir::NoSymLinks);
QStringList matchingFiles;
foreach (QString file, allFiles) {
if (filePattern.exactMatch(file))
matchingFiles << file;
}
showFiles(matchingFiles);
}
void FindFileDialog::showFiles(const QStringList &files)
{
foundFilesTree->clear();
for (int i = 0; i < files.count(); ++i) {
QTreeWidgetItem *item = new QTreeWidgetItem(foundFilesTree);
item->setText(0, files[i]);
}
if (files.count() > 0)
foundFilesTree->setCurrentItem(foundFilesTree->topLevelItem(0));
}
void FindFileDialog::createButtons()
{
browseButton = new QToolButton;
browseButton->setText(tr("..."));
connect(browseButton, SIGNAL(clicked()), this, SLOT(browse()));
buttonBox = new QDialogButtonBox(QDialogButtonBox::Open
| QDialogButtonBox::Cancel
| QDialogButtonBox::Help);
connect(buttonBox, SIGNAL(accepted()), this, SLOT(openFile()));
connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
connect(buttonBox, SIGNAL(helpRequested()), this, SLOT(help()));
}
void FindFileDialog::createComboBoxes()
{
directoryComboBox = new QComboBox;
fileNameComboBox = new QComboBox;
fileNameComboBox->setEditable(true);
fileNameComboBox->setSizePolicy(QSizePolicy::Expanding,
QSizePolicy::Preferred);
directoryComboBox->setMinimumContentsLength(30);
directoryComboBox->setSizeAdjustPolicy(
QComboBox::AdjustToMinimumContentsLength);
directoryComboBox->setSizePolicy(QSizePolicy::Expanding,
QSizePolicy::Preferred);
connect(fileNameComboBox, SIGNAL(editTextChanged(const QString &)),
this, SLOT(update()));
connect(directoryComboBox, SIGNAL(currentIndexChanged(const QString &)),
this, SLOT(update()));
}
void FindFileDialog::createFilesTree()
{
foundFilesTree = new QTreeWidget;
foundFilesTree->setColumnCount(1);
foundFilesTree->setHeaderLabels(QStringList(tr("Matching Files")));
foundFilesTree->setRootIsDecorated(false);
foundFilesTree->setSelectionMode(QAbstractItemView::SingleSelection);
connect(foundFilesTree, SIGNAL(itemActivated(QTreeWidgetItem *, int)),
this, SLOT(openFile(QTreeWidgetItem *)));
}
void FindFileDialog::createLabels()
{
directoryLabel = new QLabel(tr("Search in:"));
fileNameLabel = new QLabel(tr("File name (including wildcards):"));
}
void FindFileDialog::createLayout()
{
QHBoxLayout *fileLayout = new QHBoxLayout;
fileLayout->addWidget(fileNameLabel);
fileLayout->addWidget(fileNameComboBox);
QHBoxLayout *directoryLayout = new QHBoxLayout;
directoryLayout->addWidget(directoryLabel);
directoryLayout->addWidget(directoryComboBox);
directoryLayout->addWidget(browseButton);
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->addLayout(fileLayout);
mainLayout->addLayout(directoryLayout);
mainLayout->addWidget(foundFilesTree);
mainLayout->addStretch();
mainLayout->addWidget(buttonBox);
setLayout(mainLayout);
}
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