File indexing completed on 2024-04-28 15:39:50

 // SPDX-FileCopyrightText: 2006-2007 Tuomas Suutari <tuomas@nepnep.net>
 // SPDX-FileCopyrightText: 2006-2012 Jesper K. Pedersen <jesper.pedersen@kdab.com>
 // SPDX-FileCopyrightText: 2007 Dirk Mueller <mueller@kde.org>
 // SPDX-FileCopyrightText: 2009 Andrew Coles <andrew.i.coles@googlemail.com>
 // SPDX-FileCopyrightText: 2010 Jan Kundrát <jkt@flaska.net>
 // SPDX-FileCopyrightText: 2010 Miika Turkia <miika.turkia@gmail.com>
 // SPDX-FileCopyrightText: 2012-2023 Johannes Zarl-Zierl <johannes@zarl-zierl.at>
 // SPDX-FileCopyrightText: 2015 Yuri Chornoivan <yurchor@ukr.net>
 // SPDX-FileCopyrightText: 2015-2020 Tobias Leupold <tl@stonemx.de>
 // SPDX-FileCopyrightText: 2023 Alexander Lohnau <alexander.lohnau@gmx.de>
 //
 // SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 
 // Local includes
 
 #include "CheckDropItem.h"
 #include "DragItemInfo.h"
 #include "DragableTreeWidget.h"
 
 #include "DB/Category.h"
 #include "DB/CategoryItem.h"
 #include "DB/ImageDB.h"
 #include "DB/MemberMap.h"
 
 // KDE includes
 #include <KLocalizedString>
 #include <KMessageBox>
 
 // Qt includes
 #include <QDropEvent>
 
 CategoryListView::CheckDropItem::CheckDropItem(DragableTreeWidget *parent, const QString &column1,
                                                const QString &column2)
     : QTreeWidgetItem(parent)
     , m_listView(parent)
 {
     setCheckState(0, Qt::Unchecked);
     setText(0, column1);
     setText(1, column2);
 }
 
 CategoryListView::CheckDropItem::CheckDropItem(DragableTreeWidget *listView, QTreeWidgetItem *parent, const QString &column1,
                                                const QString &column2)
     : QTreeWidgetItem(parent)
     , m_listView(listView)
 {
     setCheckState(0, Qt::Unchecked);
     setText(0, column1);
     setText(1, column2);
 }
 
 CategoryListView::DragItemInfoSet CategoryListView::CheckDropItem::extractData(const QMimeData *data) const
 {
     DragItemInfoSet items;
     QByteArray array = data->data(QString::fromUtf8("x-kphotoalbum/x-categorydrag"));
     QDataStream stream(array);
     stream >> items;
 
     return items;
 }
 
 bool CategoryListView::CheckDropItem::dataDropped(const QMimeData *data)
 {
     const DragItemInfoSet items = extractData(data);
     const QString newParent = text(0);
     if (!verifyDropWasIntended(newParent, items))
         return false;
 
     DB::MemberMap &memberMap = DB::ImageDB::instance()->memberMap();
     memberMap.addGroup(m_listView->category()->name(), newParent);
 
     for (const auto &item : items) {
         const QString oldParent = item.parent();
         const QString child = item.child();
 
         memberMap.addMemberToGroup(m_listView->category()->name(), newParent, child);
         memberMap.removeMemberFromGroup(m_listView->category()->name(), oldParent, child);
     }
 
     // DB::ImageDB::instance()->setMemberMap( memberMap );
 
     m_listView->emitItemsChanged();
     return true;
 }
 
 bool CategoryListView::CheckDropItem::isSelfDrop(const QMimeData *data) const
 {
     const QString thisCategory = text(0);
     const DragItemInfoSet children = extractData(data);
     const DB::CategoryItemPtr categoryInfo = m_listView->category()->itemsCategories();
 
     for (DragItemInfoSet::const_iterator childIt = children.begin(); childIt != children.end(); ++childIt) {
         if (thisCategory == (*childIt).child() || categoryInfo->isDescendentOf(thisCategory, (*childIt).child()))
             return true;
     }
     return false;
 }
 
 void CategoryListView::CheckDropItem::setTristate(bool b)
 {
     if (b)
         setFlags(flags() | Qt::ItemIsAutoTristate);
     else
         setFlags(flags() & ~Qt::ItemIsAutoTristate);
 }
 
 bool CategoryListView::CheckDropItem::verifyDropWasIntended(const QString &parent, const DragItemInfoSet &items)
 {
     QStringList children;
     for (DragItemInfoSet::const_iterator itemIt = items.begin(); itemIt != items.end(); ++itemIt) {
         children.append((*itemIt).child());
     }
 
     QString allChildren;
     if (children.size() == 1) {
         allChildren = children[0];
     } else if (children.size() == 2) {
         allChildren = i18n("\"%1\" and \"%2\"", children[0], children[1]);
     } else {
         for (int i = 0; i < children.size() - 1; i++) {
             if (i == 0) {
                 allChildren += i18n("\"%1\"", children[i]);
             } else {
                 allChildren += i18n(", \"%1\"", children[i]);
             }
         }
         allChildren += i18n(" and \"%1\"", children[children.size() - 1]);
     }
 
     const QString msg = i18np(
         "<p>"
         "You have just dragged an item onto another. This will make the target item a tag group "
         "and define the dragged item as a member of this group. "
         "Tag groups may be used to denote facts such as 'Las Vegas is in the USA'. In that example "
         "you would drag Las Vegas onto USA. "
         "When you have set up tag groups, you can, for instance, see all images from the USA by "
         "simply selecting that item in the Browser."
         "</p>"
         "<p>"
         "Was it really your intention to make \"%3\" a tag group and add \"%2\" as a member?"
         "</p>",
 
         "<p>"
         "You have just dragged some items onto one other item. This will make the target item a "
         "tag group and define the dragged items as members of this group. "
         "Tag groups may be used to denote facts such as 'Las Vegas and New York are in the USA'. "
         "In that example you would drag Las Vegas and New York onto USA. "
         "When you have set up tag groups, you can, for instance, see all images from the USA by "
         "simply selecting that item in the Browser."
         "</p>"
         "<p>"
         "Was it really your intention to make \"%3\" a tag group and add %2 as members?"
         "</p>",
 
         children.size(), allChildren, parent);
 
     const int answer = KMessageBox::warningContinueCancel(nullptr, msg, i18n("Move Items"), KStandardGuiItem::cont(),
                                                           KStandardGuiItem::cancel(),
                                                           QString::fromLatin1("DoYouReallyWantToMessWithMemberGroups"));
     return answer == KMessageBox::Continue;
 }
 
 void CategoryListView::CheckDropItem::setDNDEnabled(const bool b)
 {
     if (b)
         setFlags(Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled | flags());
     else
         setFlags(flags() & ~Qt::ItemIsDragEnabled & ~Qt::ItemIsDropEnabled);
 }
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