andre@25: /* Copyright (C) 2015 by ETH Zürich
andre@25:  * Software engineering by Intevation GmbH
andre@0:  *
andre@0:  * This file is Free Software under the GNU GPL (v>=2)
andre@0:  * and comes with ABSOLUTELY NO WARRANTY!
andre@0:  * See LICENSE.txt for details.
andre@0:  */
andre@0: 
andre@0: /** @file See mainwindow.h */
andre@0: #include "mainwindow.h"
andre@0: 
andre@0: #include "constants.h"
andre@2: #include "metadataview.h"
andre@2: #include "pngplayer.h"
andre@9: #include "folderselectdialog.h"
andre@0: 
andre@0: #include <QDebug>
andre@0: #include <QDialog>
andre@0: #include <QWidget>
andre@0: #include <QHBoxLayout>
andre@0: #include <QLabel>
andre@0: #include <QPushButton>
andre@0: #include <QDir>
andre@0: #include <QFileDialog>
andre@0: #include <QMessageBox>
andre@0: #include <QApplication>
andre@0: #include <QDragEnterEvent>
andre@0: #include <QDragLeaveEvent>
andre@0: #include <QDropEvent>
andre@0: #include <QDragMoveEvent>
andre@0: #include <QMimeData>
andre@0: #include <QStandardPaths>
andre@0: #include <QStyle>
andre@0: #include <QStatusBar>
andre@2: #include <QTabWidget>
andre@2: #include <QVBoxLayout>
andre@32: #include <QShortcut>
andre@32: #include <QKeySequence>
andre@0: 
andre@0: MainWindow::MainWindow() :
andre@2:     mDataView(NULL) {
andre@0:     setStatusBar(new QStatusBar());
andre@0: 
andre@0:     setupGUI();
andre@0:     readSettings();
andre@0:     setAcceptDrops(true);
andre@32:     setupShortcuts();
andre@50: #ifndef Q_OS_WIN
andre@50:     QIcon windowIcon = QIcon(":/icon-64.png");
andre@50:     setWindowIcon(windowIcon);
andre@50: #endif
andre@0: }
andre@0: 
andre@2: void MainWindow::setupGUI() {
andre@2:     QTabWidget *tabWidget = new QTabWidget;
andre@2:     mDataView = new MetaDataView(this);
andre@2:     mPlayer = new PNGPlayer(this);
andre@2: 
andre@2:     tabWidget->addTab(mPlayer, tr("Player"));
andre@2:     tabWidget->addTab(mDataView, tr("Filter/Details"));
andre@2:     tabWidget->setMovable(true);
andre@2: 
andre@2:     setCentralWidget(tabWidget);
andre@2: 
andre@83:     QPushButton *backBtn = new QPushButton;
andre@83:     backBtn->setIcon(QApplication::style()->standardIcon(QStyle::SP_ArrowBack));
andre@83:     backBtn->setToolTip(tr("Back to exam selection."));
andre@83:     tabWidget->setCornerWidget(backBtn, Qt::TopLeftCorner);
andre@83: 
andre@87:     QLabel *versionLabel = new QLabel("<small>" + tr("Version: %1").arg(VERSION) + "</small>");
andre@87:     statusBar()->insertPermanentWidget(0, versionLabel);
andre@87: 
andre@83:     connect (backBtn, &QPushButton::clicked, this, &MainWindow::goBack);
andre@2:     connect (mPlayer, &PNGPlayer::error, this, &MainWindow::showErrorMessage);
andre@2:     connect (mPlayer, &PNGPlayer::advance, mDataView, &MetaDataView::selectNextRow);
andre@3:     connect (mPlayer, &PNGPlayer::back, mDataView, &MetaDataView::selectPrevRow);
andre@3:     connect (mPlayer, &PNGPlayer::jumpToFrame, mDataView, &MetaDataView::selectRow);
andre@2:     connect (mDataView, &MetaDataView::selectionChanged, mPlayer,
andre@2:              &PNGPlayer::showPicture);
andre@5:     connect (mDataView, &MetaDataView::selectionChanged, this,
andre@5:              &MainWindow::showPictureNameStatus);
andre@0: }
andre@0: 
andre@0: void MainWindow::showErrorMessage(const QString& errMsg) {
andre@0:     QMessageBox::warning(this, tr("Error!"), errMsg);
andre@0:     statusBar()->showMessage(errMsg);
andre@0: }
andre@0: 
andre@0: void MainWindow::closeEvent(QCloseEvent *event) {
andre@0:     mSettings.setValue("geometry", saveGeometry());
andre@0:     mSettings.setValue("windowState", saveState());
andre@38:     mPlayer->close();
andre@0:     QMainWindow::closeEvent(event);
andre@0: }
andre@0: 
andre@0: void MainWindow::readSettings() {
andre@33:     if (mSettings.contains("geometry")) {
andre@33:         restoreGeometry(mSettings.value("geometry").toByteArray());
andre@33:         restoreState(mSettings.value("windowState").toByteArray());
andre@33:     }
andre@0: }
andre@0: 
andre@0: void MainWindow::setFolder(const QString& folder)
andre@0: {
andre@0:     QFileInfo fi(folder);
andre@16:     mSettings.setValue(SUB_FOLDER_KEY, folder);
andre@0:     if (!fi.isDir() || !fi.isReadable()) {
andre@0:         showErrorMessage(tr("Failed to access directory: '%1'").arg(folder));
andre@0:     }
andre@0:     QDir dir = QDir(folder);
andre@2:     QFileInfo metaData = dir.absoluteFilePath("metadata.csv");
andre@2:     if (!metaData.exists() || !metaData.isReadable()) {
andre@2:         showErrorMessage(tr("Failed to access meta data file: '%1'").arg(
andre@2:                     metaData.filePath()));
andre@0: 
andre@2:     }
andre@2:     QString errorMsg = mDataView->parseMetaData(metaData.filePath());
andre@2:     if (!errorMsg.isEmpty()) {
andre@2:         showErrorMessage(errorMsg);
andre@2:     }
andre@2:     statusBar()->showMessage(tr("Parsed: '%1'").arg(metaData.filePath()));
andre@2:     qDebug() << "Parsed: " << metaData.filePath();
andre@2:     mCurFolder = folder;
andre@2:     mPlayer->setBaseDir(folder);
andre@3:     mDataView->selectNextRow();
andre@33:     if (!mSettings.contains("geometry")) {
andre@33:         qDebug() << "Showing maximized";
andre@33:         show();
andre@33:         showMaximized();
andre@33:     } else {
andre@33:         show();
andre@33:     }
andre@0: }
andre@5: 
andre@5: void MainWindow::showPictureNameStatus(const QString& fileName, int current,
andre@44:             int max, const QString& timestamp) {
andre@5:     if (current != 0 && max != 0) {
andre@5:         statusBar()->showMessage(tr("Showing: '%1'").arg(fileName));
andre@5:     }
andre@5: }
andre@9: 
andre@9: void MainWindow::setRootFolder(const QString &folder) {
andre@9:     mRootFolder = folder;
andre@16:     QDir dir(folder);
andre@16:     dir.cdUp();
andre@16:     mSettings.setValue(ROOT_FOLDER_KEY, dir.absolutePath());
andre@16: 
andre@9:     showSubFolderSelect();
andre@9: }
andre@9: 
andre@9: void MainWindow::showSubFolderSelect() {
andre@9:     const QString subPattern = mSettings.value(SUB_FOLDER_PATTERN_KEY,
andre@9:                                                SUB_FOLDER_PATTERN).toString();
andre@42:     mSettings.setValue(SUB_FOLDER_PATTERN_KEY, subPattern);
andre@9:     FolderSelectDialog *fsDialog = new FolderSelectDialog(mRootFolder,
andre@9:                                                           subPattern);
andre@9:     fsDialog->setWindowTitle(tr("Persons"));
andre@9:     connect(fsDialog, &FolderSelectDialog::folderSelected,
andre@9:             this, &MainWindow::setFolder);
andre@9: 
andre@90:     connect(fsDialog, &FolderSelectDialog::backClicked,
andre@90:             this, &MainWindow::showWithFolderSelect);
andre@90:     connect(fsDialog, &FolderSelectDialog::backClicked,
andre@90:             fsDialog, &QDialog::close);
andre@9:     fsDialog->show();
andre@9: }
andre@9: 
andre@9: void MainWindow::showWithFolderSelect() {
andre@9:     const QString startFolder = mSettings.value(ROOT_FOLDER_KEY,
andre@9:                                                 QString()).toString();
andre@9:     const QString rootPattern = mSettings.value(ROOT_FOLDER_PATTERN_KEY,
andre@9:                                                 DEFAULT_ROOT_PATTERN).toString();
andre@42:     mSettings.setValue(ROOT_FOLDER_PATTERN_KEY, rootPattern);
andre@9:     FolderSelectDialog *fsDialog = new FolderSelectDialog(startFolder,
andre@9:                                                           rootPattern,
andre@9:                                                           tr("Root-Path"));
andre@9:     fsDialog->setWindowTitle(tr("Exams"));
andre@9:     connect(fsDialog, &FolderSelectDialog::folderSelected,
andre@9:             this, &MainWindow::setRootFolder);
andre@9: 
andre@9:     fsDialog->show();
andre@9:    // connect(fsDialog, &QDialog::closeEvent, fsDialog, &QObject::deleteLater);
andre@9: }
andre@32: 
andre@32: void MainWindow::setupShortcuts() {
andre@32:     QShortcut *next = new QShortcut(Qt::Key_Right, this);
andre@32:     QShortcut *prev = new QShortcut(Qt::Key_Left, this);
andre@32:     QShortcut *pause = new QShortcut(Qt::Key_Space, this);
andre@32: 
andre@32:     connect(pause, &QShortcut::activated, mPlayer, &PNGPlayer::togglePlay);
andre@32:     connect(next, &QShortcut::activated, mDataView, &MetaDataView::selectNextRow);
andre@32:     connect(prev, &QShortcut::activated, mDataView, &MetaDataView::selectPrevRow);
andre@32: }
andre@83: 
andre@83: void MainWindow::goBack() {
andre@83:     hide();
andre@95:     showSubFolderSelect();
andre@83: }