File indexing completed on 2024-05-12 15:27:47

 /***************************************************************************
     File                 : HDF5OptionsWidget.cpp
     Project              : LabPlot
     Description          : widget providing options for the import of HDF5 data
     --------------------------------------------------------------------
     Copyright            : (C) 2015-2017 Stefan Gerlach (stefan.gerlach@uni.kn)
 ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *  This program is free software; you can redistribute it and/or modify   *
  *  it under the terms of the GNU General Public License as published by   *
  *  the Free Software Foundation; either version 2 of the License, or      *
  *  (at your option) any later version.                                    *
  *                                                                         *
  *  This program is distributed in the hope that it will be useful,        *
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
  *  GNU General Public License for more details.                           *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the Free Software           *
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
  *   Boston, MA  02110-1301  USA                                           *
  *                                                                         *
  ***************************************************************************/
 #include "HDF5OptionsWidget.h"
 #include "ImportFileWidget.h"
 #include "backend/datasources/filters/HDF5Filter.h"
 #include "backend/lib/macros.h"
 
  /*!
     \class HDF5OptionsWidget
     \brief Widget providing options for the import of HDF5 data
 
     \ingroup kdefrontend
  */
 HDF5OptionsWidget::HDF5OptionsWidget(QWidget* parent, ImportFileWidget* fileWidget) : QWidget(parent), m_fileWidget(fileWidget) {
     ui.setupUi(parent);
 
     QStringList hdf5headers;
     hdf5headers << i18n("Name") << i18n("Link") << i18n("Type") << i18n("Properties") << i18n("Attributes");
     ui.twContent->setHeaderLabels(hdf5headers);
     ui.twContent->setAlternatingRowColors(true);
     // link and type column are hidden
     ui.twContent->hideColumn(1);
     ui.twContent->hideColumn(2);
     ui.twContent->setSelectionMode(QAbstractItemView::ExtendedSelection);
     ui.twContent->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
     ui.twPreview->setEditTriggers(QAbstractItemView::NoEditTriggers);
 
     ui.bRefreshPreview->setIcon( QIcon::fromTheme("view-refresh") );
 
     connect(ui.twContent, &QTreeWidget::itemSelectionChanged, this, &HDF5OptionsWidget::hdf5TreeWidgetSelectionChanged);
     connect(ui.bRefreshPreview, &QPushButton::clicked, fileWidget, &ImportFileWidget::refreshPreview);
 }
 
 void HDF5OptionsWidget::clear() {
     ui.twContent->clear();
     ui.twPreview->clear();
 }
 
 void HDF5OptionsWidget::updateContent(HDF5Filter* filter, const QString& fileName) {
     ui.twContent->clear();
     QTreeWidgetItem *rootItem = ui.twContent->invisibleRootItem();
     filter->parse(fileName, rootItem);
 
     ui.twContent->insertTopLevelItem(0, rootItem);
     ui.twContent->expandAll();
     ui.twContent->resizeColumnToContents(0);
     ui.twContent->resizeColumnToContents(3);
 }
 
 /*!
     updates the selected data set of a HDF5 file when a new tree widget item is selected
 */
 void HDF5OptionsWidget::hdf5TreeWidgetSelectionChanged() {
     DEBUG("hdf5TreeWidgetSelectionChanged()");
     auto items = ui.twContent->selectedItems();
     QDEBUG("SELECTED ITEMS =" << items);
 
     if (items.isEmpty())
         return;
 
     QTreeWidgetItem* item = items.first();
     if (item->data(2, Qt::DisplayRole).toString() == i18n("data set"))
         m_fileWidget->refreshPreview();
     else
         DEBUG("non data set selected in HDF5 tree widget");
 }
 
 /*!
     return list of selected HDF5 item names
     selects all items if nothing is selected
 */
 const QStringList HDF5OptionsWidget::selectedNames() const {
     DEBUG("HDF5OptionsWidget::selectedNames()");
     QStringList names;
 
     if (ui.twContent->selectedItems().size() == 0)
         ui.twContent->selectAll();
 
     // the data link is saved in the second column
     for (auto* item : ui.twContent->selectedItems())
         names << item->text(1);
     QDEBUG("    HDF5OptionsWidget: selected names =" << names);
 
     return names;
 }