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| |
| #include "assistant.h" |
| #include "findfiledialog.h" |
| #include "textedit.h" |
| |
| #include <QComboBox> |
| #include <QDialogButtonBox> |
| #include <QDir> |
| #include <QFileDialog> |
| #include <QHBoxLayout> |
| #include <QLabel> |
| #include <QPushButton> |
| #include <QToolButton> |
| #include <QTreeWidget> |
| #include <QTreeWidgetItem> |
| |
| //! [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()); |
| |
| const QStringList allFiles = directory.entryList(QDir::Files | QDir::NoSymLinks); |
| QStringList matchingFiles; |
| |
| for (const 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); |
| } |