File indexing completed on 2024-05-12 03:48:25

 /*
     File                 : DatapickerView.cpp
     Project              : LabPlot
     Description          : View class for Datapicker
     --------------------------------------------------------------------
     SPDX-FileCopyrightText: 2015 Ankit Wagadre <wagadre.ankit@gmail.com>
     SPDX-FileCopyrightText: 2015-2021 Alexander Semke <alexander.semke@web.de>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "DatapickerView.h"
 #include "backend/datapicker/Datapicker.h"
 #include "backend/datapicker/DatapickerCurve.h"
 #include "backend/datapicker/DatapickerImage.h"
 #include "backend/lib/macros.h"
 #include "backend/spreadsheet/Spreadsheet.h"
 #include "commonfrontend/datapicker/DatapickerImageView.h"
 #include "commonfrontend/workbook/WorkbookView.h"
 
 #include <QHBoxLayout>
 #include <QMenu>
 #include <QTabBar>
 #include <QTabWidget>
 
 #include <KLocalizedString>
 
 /*!
     \class DatapickerView
     \brief View class for Datapicker
 
     \ingroup commonfrontend
  */
 DatapickerView::DatapickerView(Datapicker* datapicker)
     : QWidget()
     , m_tabWidget(new QTabWidget(this))
     , m_datapicker(datapicker) {
     m_tabWidget->setTabPosition(QTabWidget::South);
     m_tabWidget->setTabShape(QTabWidget::Rounded);
     // m_tabWidget->setMovable(true);
     m_tabWidget->setContextMenuPolicy(Qt::CustomContextMenu);
 
     auto* layout = new QHBoxLayout(this);
     layout->setContentsMargins(0, 0, 0, 0);
     layout->addWidget(m_tabWidget);
 
     // add tab for each children view
     m_initializing = true;
     for (const auto* aspect : m_datapicker->children<AbstractAspect>(AbstractAspect::ChildIndexFlag::IncludeHidden)) {
         handleAspectAdded(aspect);
         for (const auto* child : aspect->children<AbstractAspect>())
             handleAspectAdded(child);
     }
     m_initializing = false;
 
     if (!m_datapicker->isLoading()) {
         const auto& size = m_datapicker->image()->view()->size();
         resize(size.width() * 1.1, size.height() * 1.1);
     }
 
     // SIGNALs/SLOTs
     connect(m_datapicker, &Datapicker::aspectDescriptionChanged, this, &DatapickerView::handleDescriptionChanged);
     connect(m_datapicker, &Datapicker::childAspectAdded, this, &DatapickerView::handleAspectAdded);
     connect(m_datapicker, &Datapicker::childAspectAboutToBeRemoved, this, &DatapickerView::handleAspectAboutToBeRemoved);
     connect(m_datapicker, &Datapicker::datapickerItemSelected, this, &DatapickerView::itemSelected);
 
     connect(m_tabWidget, &QTabWidget::currentChanged, this, &DatapickerView::tabChanged);
     connect(m_tabWidget, &QTabWidget::customContextMenuRequested, this, &DatapickerView::showTabContextMenu);
     connect(m_tabWidget->tabBar(), &QTabBar::tabMoved, this, &DatapickerView::tabMoved);
 }
 
 DatapickerView::~DatapickerView() {
     // delete all children views here, its own view will be deleted in ~AbstractPart()
     for (const auto* aspect : m_datapicker->children<AbstractAspect>(AbstractAspect::ChildIndexFlag::IncludeHidden)) {
         for (const auto* child : aspect->children<AbstractAspect>()) {
             const auto* part = dynamic_cast<const AbstractPart*>(child);
             if (part)
                 part->deleteView();
         }
         const auto* part = dynamic_cast<const AbstractPart*>(aspect);
         if (part)
             part->deleteView();
     }
 }
 
 void DatapickerView::fillToolBar(QToolBar* toolBar) {
     auto* view = static_cast<DatapickerImageView*>(m_datapicker->image()->view());
     view->fillToolBar(toolBar);
 }
 
 void DatapickerView::createContextMenu(QMenu* menu) const {
     Q_ASSERT(menu);
     m_datapicker->image()->createContextMenu(menu);
 }
 
 int DatapickerView::currentIndex() const {
     return m_tabWidget->currentIndex();
 }
 
 // ##############################################################################
 // #########################  Private slots  ####################################
 // ##############################################################################
 /*!
   called when the current tab was changed. Propagates the selection of \c Spreadsheet
   or of a \c DatapickerImage object to \c Datapicker.
 */
 void DatapickerView::tabChanged(int index) {
     if (m_initializing || index == -1)
         return;
 
     m_datapicker->setChildSelectedInView(lastSelectedIndex, false);
     m_datapicker->setChildSelectedInView(index, true);
     lastSelectedIndex = index;
 }
 
 void DatapickerView::tabMoved(int /*from*/, int /*to*/) {
     // TODO:
     //  AbstractAspect* aspect = m_datapicker->child<AbstractAspect>(to);
     //  if (aspect) {
     //      m_tabMoving = true;
     //      AbstractAspect* sibling = m_datapicker->child<AbstractAspect>(from);
     //      qDebug()<<"insert: " << to << "  " <<  aspect->name() << ",  " << from << "  " << sibling->name();
     //      aspect->remove();
     //      m_datapicker->insertChildBefore(aspect, sibling);
     //      qDebug()<<"inserted";
     //      m_tabMoving = false;
     //  }
 }
 
 void DatapickerView::itemSelected(int index) {
     m_initializing = true;
     m_tabWidget->setCurrentIndex(index);
     m_initializing = false;
 }
 
 void DatapickerView::showTabContextMenu(QPoint point) {
     QMenu* menu = nullptr;
     auto* aspect = m_datapicker->child<AbstractAspect>(m_tabWidget->currentIndex(), AbstractAspect::ChildIndexFlag::IncludeHidden);
     auto* spreadsheet = dynamic_cast<Spreadsheet*>(aspect);
     if (spreadsheet) {
         menu = spreadsheet->createContextMenu();
     } else {
         auto* image = dynamic_cast<DatapickerImage*>(aspect);
         if (image)
             menu = image->createContextMenu();
     }
 
     if (menu)
         menu->exec(m_tabWidget->mapToGlobal(point));
 }
 
 /*!
  * handle the renames of child aspects to adjust the names of the tabs accordingly.
  */
 void DatapickerView::handleDescriptionChanged(const AbstractAspect* aspect) {
     // nothing to do if the parent itself was renamed, we only need to handle curves and data spreadsheets.
     if (aspect == m_datapicker || aspect == m_datapicker->image())
         return;
 
     // determine the child that was changed and adjust the name of the corresponding tab widget
     int index = -1;
     QString name;
     if (aspect->parentAspect() == m_datapicker) {
         // datapicker curve was renamed
         index = m_datapicker->indexOfChild<AbstractAspect>(aspect, AbstractAspect::ChildIndexFlag::IncludeHidden);
         if (index != -1)
             name = aspect->name() + QStringLiteral(": ") + aspect->children<Spreadsheet>().constFirst()->name();
     } else {
         // data spreadsheet was renamed or one of its columns, which is not relevant here
         index = m_datapicker->indexOfChild<AbstractAspect>(aspect->parentAspect(), AbstractAspect::ChildIndexFlag::IncludeHidden);
         if (index != -1)
             name = aspect->parentAspect()->name() + QStringLiteral(": ") + aspect->name();
     }
 
     if (index != -1)
         m_tabWidget->setTabText(index, name);
 }
 
 void DatapickerView::handleAspectAdded(const AbstractAspect* aspect) {
     int index = 0;
     QString name;
     const AbstractPart* part = dynamic_cast<const DatapickerImage*>(aspect);
     if (part) {
         name = aspect->name();
     } else if (dynamic_cast<const DatapickerCurve*>(aspect)) {
         index = m_datapicker->indexOfChild<AbstractAspect>(aspect, AbstractAspect::ChildIndexFlag::IncludeHidden);
         const auto* spreadsheet = static_cast<const Spreadsheet*>(aspect->child<AbstractAspect>(0));
         part = spreadsheet;
         name = aspect->name() + QStringLiteral(": ") + spreadsheet->name();
     } else
         return;
 
     m_tabWidget->insertTab(index, part->view(), name);
     m_tabWidget->setTabIcon(m_tabWidget->count(), aspect->icon());
 }
 
 void DatapickerView::handleAspectAboutToBeRemoved(const AbstractAspect* aspect) {
     const auto* curve = dynamic_cast<const DatapickerCurve*>(aspect);
     if (curve) {
         int index = m_datapicker->indexOfChild<AbstractAspect>(aspect, AbstractAspect::ChildIndexFlag::IncludeHidden);
         m_tabWidget->removeTab(index);
     }
 }