161 lines
3.9 KiB
C++
161 lines
3.9 KiB
C++
/*
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Copyright 2018 S. Razi Alavizadeh
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Copyright 2014-2015 Adam Reichold
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This file is part of qpdfview.
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qpdfview is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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qpdfview is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with qpdfview. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "bookmarkmodel.h"
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#include <QApplication>
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namespace qpdfview
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{
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static inline bool operator<(int page, const BookmarkItem& bookmark) { return page < bookmark.page; }
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static inline bool operator<(const BookmarkItem& bookmark, int page) { return bookmark.page < page; }
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QHash< QString, BookmarkModel* > BookmarkModel::s_instances;
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BookmarkModel* BookmarkModel::fromPath(const QString& path, bool create)
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{
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BookmarkModel* model = s_instances.value(path, 0);
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if(create && model == 0)
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{
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model = new BookmarkModel(qApp);
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s_instances.insert(path, model);
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}
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return model;
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}
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QList< QString > BookmarkModel::paths()
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{
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return s_instances.keys();
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}
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void BookmarkModel::removePath(const QString& path)
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{
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delete s_instances.take(path);
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}
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void BookmarkModel::removeAllPaths()
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{
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qDeleteAll(s_instances);
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s_instances.clear();
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}
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void BookmarkModel::addBookmark(const BookmarkItem& bookmark)
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{
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const QVector< BookmarkItem >::iterator at = qLowerBound(m_bookmarks.begin(), m_bookmarks.end(), bookmark.page);
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const int row = at - m_bookmarks.begin();
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if(at != m_bookmarks.end() && at->page == bookmark.page)
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{
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*at = bookmark;
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emit dataChanged(createIndex(row, 0), createIndex(row, 1));
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}
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else
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{
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beginInsertRows(QModelIndex(), row, row);
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m_bookmarks.insert(at, bookmark);
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endInsertRows();
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}
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}
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void BookmarkModel::removeBookmark(const BookmarkItem& bookmark)
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{
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const QVector< BookmarkItem >::iterator at = qBinaryFind(m_bookmarks.begin(), m_bookmarks.end(), bookmark.page);
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const int row = at - m_bookmarks.begin();
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if(at != m_bookmarks.end())
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{
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beginRemoveRows(QModelIndex(), row, row);
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m_bookmarks.erase(at);
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endRemoveRows();
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}
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}
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void BookmarkModel::findBookmark(BookmarkItem& bookmark) const
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{
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const QVector< BookmarkItem >::const_iterator at = qBinaryFind(m_bookmarks.constBegin(), m_bookmarks.constEnd(), bookmark.page);
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if(at != m_bookmarks.constEnd())
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{
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bookmark = *at;
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}
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}
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Qt::ItemFlags BookmarkModel::flags(const QModelIndex&) const
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{
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return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
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}
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int BookmarkModel::columnCount(const QModelIndex&) const
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{
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return 2;
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}
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int BookmarkModel::rowCount(const QModelIndex& parent) const
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{
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return !parent.isValid() ? m_bookmarks.count() : 0;
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}
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QVariant BookmarkModel::data(const QModelIndex& index, int role) const
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{
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if(!index.isValid() || index.row() >= m_bookmarks.count())
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{
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return QVariant();
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}
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const BookmarkItem& bookmark = m_bookmarks.at(index.row());
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switch(role)
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{
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default:
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return QVariant();
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case PageRole:
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return bookmark.page;
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case LabelRole:
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case Qt::DisplayRole:
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return index.column() == 0 ? bookmark.label : QString::number(bookmark.page);
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case CommentRole:
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return bookmark.comment;
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case Qt::ToolTipRole:
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return QString("<p>%1</p>").arg(bookmark.comment);
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case ModifiedRole:
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return bookmark.modified;
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case Qt::TextAlignmentRole:
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return index.column() == 0 ? Qt::AlignLeft : Qt::AlignRight;
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}
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}
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BookmarkModel::BookmarkModel(QObject* parent) : QAbstractListModel(parent),
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m_bookmarks()
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{
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}
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} // qpdfview
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