/**************************************************************************** ** ** Copyright (C) 2009 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. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 Technology Preview License Agreement accompanying ** this package. ** ** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include #include #include #include #include #include #include #include #include #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); }