499 lines
18 KiB
C++
499 lines
18 KiB
C++
#include "./mainwindow.h"
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#include "./settingsdialog.h"
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#include "./renamefilesdialog.h"
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#include "./dbquerywidget.h"
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#include "./tageditorwidget.h"
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#include "../application/settings.h"
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#include "../misc/utility.h"
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#ifdef TAGEDITOR_NO_WEBVIEW
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# include "../misc/htmlinfo.h"
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#endif
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#include "ui_mainwindow.h"
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#include <tagparser/mediafileinfo.h>
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#include <qtutilities/aboutdialog/aboutdialog.h>
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#include <qtutilities/misc/dialogutils.h>
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#include <qtutilities/misc/desktoputils.h>
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#include <qtutilities/misc/trylocker.h>
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#include <c++utilities/conversion/stringconversion.h>
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#include <c++utilities/io/path.h>
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#include <QMessageBox>
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#include <QFileDialog>
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#include <QFileSystemModel>
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#include <QTextStream>
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#include <iomanip>
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using namespace std;
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using namespace Utility;
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using namespace Media;
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using namespace Dialogs;
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using namespace Widgets;
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using namespace ThreadingUtils;
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namespace QtGui {
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/*!
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* \brief The LoadingResult enum specifies whether the file could be parsed.
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*/
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enum LoadingResult : char
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{
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ParsingSuccessful,
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FatalParsingError,
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IoError
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};
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/*!
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* \class QtGui::MainWindow
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* \brief The MainWindow class provides the main window of the Tag Editor's Qt GUI.
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*/
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/*!
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* \brief Shortcut to access file operation mutex of TagEditorWidget.
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*/
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QMutex &MainWindow::fileOperationMutex()
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{
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return m_ui->tagEditorWidget->fileOperationMutex();
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}
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/*!
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* \brief Shortcut to access MediaFileInfo of TagEditorWidget.
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*/
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MediaFileInfo &MainWindow::fileInfo()
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{
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return m_ui->tagEditorWidget->fileInfo();
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}
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/*!
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* \brief Constructs a new main window.
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*/
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MainWindow::MainWindow(QWidget *parent) :
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QMainWindow(parent, Qt::Window),
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m_ui(new Ui::MainWindow()),
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m_aboutDlg(nullptr),
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m_settingsDlg(nullptr),
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m_dbQueryWidget(nullptr)
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{
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// setup UI
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m_ui->setupUi(this);
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#ifdef Q_OS_WIN32
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setStyleSheet(dialogStyle() + QStringLiteral("#tagEditorWidget { color: palette(text); background-color: palette(base); }"));
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#else
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setStyleSheet(dialogStyle());
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#endif
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// restore geometry and state
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restoreGeometry(Settings::mainWindowGeometry());
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restoreState(Settings::mainWindowState());
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// setup file model and file tree view
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m_fileModel = new QFileSystemModel(this);
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m_fileModel->setRootPath(QString());
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m_fileFilterModel = new FileFilterProxyModel(this);
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m_fileFilterModel->setExtensionsToBeFiltered(QStringList() << QStringLiteral("bak") << QStringLiteral("tmp"));
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m_fileFilterModel->setSourceModel(m_fileModel);
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m_fileFilterModel->setFilterEnabled(Settings::hideBackupFiles());
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m_ui->filesTreeView->sortByColumn(0, Qt::AscendingOrder);
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m_ui->filesTreeView->setModel(m_fileFilterModel);
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m_ui->filesTreeView->setColumnWidth(0, 300);
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// setup path line edit
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m_ui->pathLineEdit->setCompletionModel(m_fileModel);
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// apply initial file status
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handleFileStatusChange(false, false);
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// dbquery dock widget
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if(Settings::dbQueryWidgetShown()) {
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showDbQueryWidget();
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} else {
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// ensure the dock widget is invisible
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m_ui->dbQueryDockWidget->setVisible(false);
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}
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// connect signals and slots, install event filter
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// menu: application
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connect(m_ui->actionSettings, &QAction::triggered, this, &MainWindow::showSettingsDlg);
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connect(m_ui->actionOpen_MusicBrainz_search, &QAction::triggered, this, &MainWindow::showDbQueryWidget);
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connect(m_ui->actionQuit, &QAction::triggered, this, &MainWindow::close);
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// menu: file
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connect(m_ui->actionOpen, &QAction::triggered, this, &MainWindow::showOpenFileDlg);
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connect(m_ui->actionSave, &QAction::triggered, m_ui->tagEditorWidget, &TagEditorWidget::applyEntriesAndSaveChangings);
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connect(m_ui->actionDelete_all_tags, &QAction::triggered, m_ui->tagEditorWidget, &TagEditorWidget::deleteAllTagsAndSave);
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connect(m_ui->actionSave_file_information, &QAction::triggered, this, &MainWindow::saveFileInformation);
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connect(m_ui->actionClose, &QAction::triggered, m_ui->tagEditorWidget, &TagEditorWidget::closeFile);
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connect(m_ui->actionReload, &QAction::triggered, m_ui->tagEditorWidget, &TagEditorWidget::reparseFile);
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connect(m_ui->actionExternalPlayer, &QAction::triggered, this, &MainWindow::spawnExternalPlayer);
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// menu: directory
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connect(m_ui->actionSelect_next_file, &QAction::triggered, this, static_cast<void(MainWindow::*)(void)>(&MainWindow::selectNextFile));
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connect(m_ui->actionSelect_next_file_and_save_current, &QAction::triggered, m_ui->tagEditorWidget, &TagEditorWidget::saveAndShowNextFile);
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connect(m_ui->actionRename_files, &QAction::triggered, this, &MainWindow::showRenameFilesDlg);
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// menu: help
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connect(m_ui->actionAbout, &QAction::triggered, this, &MainWindow::showAboutDlg);
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// tag editor widget
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connect(m_ui->tagEditorWidget, &TagEditorWidget::nextFileSelected, this, static_cast<void(MainWindow::*)(void)>(&MainWindow::selectNextFile));
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connect(m_ui->tagEditorWidget, &TagEditorWidget::fileStatusChange, this, &MainWindow::handleFileStatusChange);
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connect(m_ui->tagEditorWidget, &TagEditorWidget::statusMessage, m_ui->statusBar, &QStatusBar::showMessage);
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connect(m_ui->tagEditorWidget, &TagEditorWidget::fileSaved, this, &MainWindow::handleFileSaved);
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// misc
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connect(m_ui->pathLineEdit, &QLineEdit::textEdited, this, &MainWindow::pathEntered);
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connect(m_ui->filesTreeView->selectionModel(), &QItemSelectionModel::selectionChanged, this, &MainWindow::fileSelected);
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connect(m_ui->selectNextCommandLinkButton, &QCommandLinkButton::clicked, this, static_cast<void(MainWindow::*)(void)>(&MainWindow::selectNextFile));
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// apply settings
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setCurrentDirectory(Settings::mainWindowCurrentFileBrowserDirectory());
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applySettingsFromDialog();
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}
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/*!
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* \brief Destroys the main window.
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*/
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MainWindow::~MainWindow()
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{}
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/*!
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* \brief Returns directory the file browser is currently showning.
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*/
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QString MainWindow::currentDirectory()
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{
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return m_ui->pathLineEdit->text();
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}
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/*!
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* \brief Sets the directory the file browser is showing.
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* If a file is specified the file will be opended.
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*/
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void MainWindow::setCurrentDirectory(const QString &path)
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{
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m_ui->pathLineEdit->editText(path);
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}
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/*!
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* \brief Starts parsing the specified file.
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*/
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void MainWindow::startParsing(const QString &path)
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{
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m_ui->tagEditorWidget->startParsing(path, true);
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}
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/*!
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* \brief
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* - Saves the applications settings relating the state of the main window.
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* - Updates the info webview when the palette changed.
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*/
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bool MainWindow::event(QEvent *event)
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{
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switch(event->type()) {
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case QEvent::Close:
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// save settings
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Settings::mainWindowGeometry() = saveGeometry();
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Settings::mainWindowState() = saveState();
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Settings::mainWindowCurrentFileBrowserDirectory() = currentDirectory();
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Settings::dbQueryWidgetShown() = m_ui->dbQueryDockWidget->isVisible();
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break;
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default:
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;
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}
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return QMainWindow::event(event);
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}
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/*!
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* \brief This private slot is called when the entered text of m_ui->pathLineEdit which represents the current directory changes.
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*
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* If the text is a valid path the current index of the m_ui->filesTreeView is updated to show the path. This invokes the file
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* selected slot.
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*/
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void MainWindow::pathEntered()
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{
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QString path = m_ui->pathLineEdit->text();
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if(!path.isEmpty()) {
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QModelIndex index = m_fileFilterModel->mapFromSource(m_fileModel->index(path));
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if(index.isValid()) {
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m_ui->filesTreeView->selectionModel()->setCurrentIndex(index, QItemSelectionModel::Rows | QItemSelectionModel::ClearAndSelect);
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m_ui->pathLineEdit->setProperty("classNames", QStringList());
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} else {
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m_ui->pathLineEdit->setProperty("classNames", QStringList() << QStringLiteral("input-invalid"));
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}
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updateStyle(m_ui->pathLineEdit);
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}
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}
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/*!
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* \brief This private slot is called when the selected file or directory changes.
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* If a directory is selected the m_ui->pathLineEdit will be updated.
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* If a file is selected it will be opened.
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*/
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void MainWindow::fileSelected()
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{
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QModelIndexList selectedIndexes = m_ui->filesTreeView->selectionModel()->selectedRows();
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if(selectedIndexes.count() == 1) {
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QString path(m_fileModel->filePath(m_fileFilterModel->mapToSource(selectedIndexes.at(0))));
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QFileInfo fileInfo(path);
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if(fileInfo.isFile()) {
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startParsing(path);
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m_ui->pathLineEdit->setText(fileInfo.dir().path());
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} else if(fileInfo.isDir()) {
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m_ui->pathLineEdit->setText(path);
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}
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m_ui->pathLineEdit->setProperty("classNames", QStringList());
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updateStyle(m_ui->pathLineEdit);
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}
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}
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/*!
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* \brief Updates the status of the relevant widgets (enabled/disabled, visible/hidden) according to the
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* current "file status" (opened/closed, has tags/no tags).
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*/
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void MainWindow::handleFileStatusChange(bool opened, bool hasTag)
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{
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// actions to save, delete, close
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m_ui->actionSave->setEnabled(opened);
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m_ui->actionDelete_all_tags->setEnabled(hasTag);
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m_ui->actionSave_file_information->setEnabled(opened);
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m_ui->actionClose->setEnabled(opened);
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m_ui->actionReload->setEnabled(opened);
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m_ui->actionExternalPlayer->setEnabled(opened);
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// window title
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setWindowTitle(Dialogs::generateWindowTitle(opened ? DocumentStatus::Saved : DocumentStatus::NoDocument, m_ui->tagEditorWidget->currentPath()));
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}
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void MainWindow::handleFileSaved(const QString ¤tPath)
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{
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// ensure the current file is still selected
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const QModelIndex index = m_fileFilterModel->mapFromSource(m_fileModel->index(currentPath));
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if(index.isValid()) {
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m_ui->filesTreeView->selectionModel()->setCurrentIndex(index, QItemSelectionModel::Rows | QItemSelectionModel::ClearAndSelect);
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}
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// ensure this is the active window
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activateWindow();
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}
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/*!
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* \brief Spawns an external player for the current file.
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*/
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void MainWindow::spawnExternalPlayer()
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{
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const QString ¤tPath = m_ui->tagEditorWidget->currentPath();
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if(!currentPath.isEmpty()) {
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DesktopUtils::openLocalFileOrDir(currentPath);
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} else {
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m_ui->statusBar->showMessage(tr("No file opened."));
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}
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}
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/*!
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* \brief Shows the database query widget.
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*/
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void MainWindow::showDbQueryWidget()
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{
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if(!m_dbQueryWidget) {
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m_ui->dbQueryDockWidget->setWidget(m_dbQueryWidget = new DbQueryWidget(m_ui->tagEditorWidget, this));
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}
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m_ui->dbQueryDockWidget->setVisible(true);
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}
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/*!
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* \brief Shows the about dialog.
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*/
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void MainWindow::showAboutDlg()
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{
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if(!m_aboutDlg) {
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m_aboutDlg = new Dialogs::AboutDialog(this, tr("A tag editing utility supporting ID3, MP4 (iTunes style), Vorbis and Matroska tags."), QImage(QStringLiteral(":/tageditor/icons/hicolor/128x128/apps/tageditor.png")));
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}
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if(m_aboutDlg->isHidden()) {
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m_aboutDlg->show();
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} else {
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m_aboutDlg->activateWindow();
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}
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}
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/*!
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* \brief Shows the settings dialog (modal).
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*/
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void MainWindow::showSettingsDlg()
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{
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if(!m_settingsDlg) {
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m_settingsDlg = new SettingsDialog(this);
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//connect(m_settingsDlg, &SettingsDialog::accept, this, &MainWindow::applySettingsFromDialog);
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}
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if(m_settingsDlg->exec() == QDialog::Accepted) {
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applySettingsFromDialog();
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}
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}
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/*!
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* \brief Shows the "Rename files" dialog (instance of RenameFilesDialog).
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*/
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void MainWindow::showRenameFilesDlg()
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{
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if(!m_renameFilesDlg) {
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m_renameFilesDlg.reset(new RenameFilesDialog);
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}
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m_renameFilesDlg->setDirectory(currentDirectory());
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if(m_renameFilesDlg->isHidden()) {
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m_renameFilesDlg->show();
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} else {
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m_renameFilesDlg->activateWindow();
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}
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}
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/*!
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* \brief Selects the next file.
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* \remarks Does nothing if there is currently no file selected.
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*/
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void MainWindow::selectNextFile()
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{
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QItemSelectionModel *selectionModel = m_ui->filesTreeView->selectionModel();
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QModelIndexList selectedIndexes = selectionModel->selectedIndexes();
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if(!selectedIndexes.isEmpty()) {
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selectNextFile(selectionModel, selectedIndexes.at(0), false);
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}
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}
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/*!
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* \brief Selects the file next to the file with the specified index.
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*
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* If \a notDeeper is false, this method will not try to go deeper into
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* the file system tree.
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*/
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void MainWindow::selectNextFile(QItemSelectionModel *selectionModel, const QModelIndex ¤tIndex, bool notDeeper)
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{
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QModelIndex next;
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if(!notDeeper && selectionModel->model()->hasChildren(currentIndex)) {
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// a directory is selected -> go deeper
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if(m_fileFilterModel->canFetchMore(currentIndex)) {
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// files and subdirectories have to be fetched
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// -> QFileSystemModel seems to use an extra thread to fetch files and directories
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// -> fetchMore will return immediatly because
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// -> select next file when rowsInserted is emitted
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auto conn = make_shared<QMetaObject::Connection>();
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*conn = connect(m_fileFilterModel, &QAbstractItemModel::rowsInserted, [this, selectionModel, currentIndex, conn] (const QModelIndex &parent, int, int) {
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disconnect(*conn);
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if(parent == currentIndex) {
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const QModelIndex next = m_fileFilterModel->index(0, 0, parent);
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if(next.isValid()) {
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if(m_ui->filesTreeView->model()->hasChildren(next)) {
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// next item is a directory -> keep on searching
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selectNextFile(selectionModel, next, false);
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} else {
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m_ui->filesTreeView->selectionModel()->setCurrentIndex(next, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
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}
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} else {
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selectNextFile(selectionModel, currentIndex, true);
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}
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}
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});
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m_fileModel->fetchMore(m_fileFilterModel->mapToSource(currentIndex));
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return;
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} else {
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// files and subdirectories have been fetched already
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next = currentIndex.child(0, currentIndex.column());
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}
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}
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if(!next.isValid()) {
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// not possible to go deeper -> choose next sibling
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next = currentIndex.sibling(currentIndex.row() + 1, currentIndex.column());
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}
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if(!next.isValid()) {
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// not possible to choose next sibling -> go higher
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const QModelIndex parent = currentIndex.parent();
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if(parent.isValid()) {
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selectNextFile(selectionModel, parent, true);
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return;
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}
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}
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if(next.isValid()) {
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if(selectionModel->model()->hasChildren(next)) {
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// next item is a directory -> keep on searching
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selectNextFile(selectionModel, next, false);
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} else {
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selectionModel->setCurrentIndex(next, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
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}
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} else {
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showNextFileNotFound();
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}
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}
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void MainWindow::showNextFileNotFound()
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{
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static const QString errormsg(tr("Unable to show the next file because it can't be found anymore."));
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QMessageBox::warning(this, QApplication::applicationName(), errormsg);
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m_ui->statusBar->showMessage(errormsg);
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}
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/*!
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* \brief Shows an open file dialog and opens the selected file.
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*/
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void MainWindow::showOpenFileDlg()
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{
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const QString path = QFileDialog::getOpenFileName(this, QApplication::applicationName());
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if(!path.isEmpty()) {
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startParsing(path);
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}
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}
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/*!
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* \brief Saves the file information generated to be displayed in the info web view in a file.
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*/
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void MainWindow::saveFileInformation()
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{
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TryLocker<> locker(fileOperationMutex());
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if(locker) {
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if(fileInfo().isOpen()) {
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const QByteArray &htmlData =
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#ifndef TAGEDITOR_NO_WEBVIEW
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!Settings::noWebView() ?
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m_ui->tagEditorWidget->fileInfoHtml().size() :
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#endif
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HtmlInfo::generateInfo(fileInfo(), m_ui->tagEditorWidget->originalNotifications());
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if(!htmlData.isEmpty()) {
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const QString path = QFileDialog::getSaveFileName(this, windowTitle());
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if(!path.isEmpty()) {
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QFile file(path);
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if(file.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
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QTextStream stream(&file);
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stream << htmlData;
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file.close();
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if(file.error() != QFileDevice::NoError) {
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QMessageBox::critical(this, QApplication::applicationName(), tr("Unable to write to file.\n%1").arg(file.errorString()));
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}
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} else {
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QMessageBox::critical(this, QApplication::applicationName(), tr("Unable to open file."));
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}
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}
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} else {
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QMessageBox::information(this, QApplication::applicationName(), tr("No file information available."));
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}
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} else {
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QMessageBox::information(this, QApplication::applicationName(), tr("No file is opened."));
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}
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} else {
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m_ui->statusBar->showMessage(tr("Unable to save file information because the current process hasn't been finished yet."));
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}
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}
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/*!
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* \brief Applies settings from Settings namespace. Only settings configurable through the SettingsDialog
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* will be applied and not settings like the main window's geometry and state.
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*/
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void MainWindow::applySettingsFromDialog()
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{
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if(m_fileFilterModel->isFilterEnabled() != Settings::hideBackupFiles()) {
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// check this condition to avoid unnecessary model reset
|
|
m_fileFilterModel->setFilterEnabled(Settings::hideBackupFiles());
|
|
const QModelIndex index = m_fileFilterModel->mapFromSource(m_fileModel->index(m_ui->pathLineEdit->text()));
|
|
if(index.isValid()) {
|
|
m_ui->filesTreeView->selectionModel()->setCurrentIndex(index, QItemSelectionModel::Select);
|
|
}
|
|
}
|
|
if(m_fileModel->isReadOnly() != Settings::fileBrowserReadOnly()) {
|
|
m_fileModel->setReadOnly(Settings::fileBrowserReadOnly());
|
|
}
|
|
}
|
|
|
|
}
|