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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QDir>
#include <QtGui/QLayout>
#include <QtGui/QComboBox>
#include <QtGui/QTreeWidget>
#include <QtGui/QLayout>
#include <QtGui/QFileDialog>
#include <QtGui/QDialogButtonBox>
#include <QtGui/QToolButton>
#include <QtGui/QPushButton>
#include <QtGui/QLabel>
#include "findfiledialog.h"
#include "assistant.h"
#include "textedit.h"
//! [0]
FindFileDialog::FindFileDialog(TextEdit *editor, Assistant *assistant)
: QDialog(editor)
{
currentAssistant = 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()
{
currentAssistant->showDocumentation("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();
currentEditor->setContents(path + fileName);
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(QString)),
this, SLOT(update()));
connect(directoryComboBox, SIGNAL(currentIndexChanged(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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