Mercurial > octave
view libgui/src/find-files-model.cc @ 30249:bc22395f60fa
maint: merge stable to default.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 22 Oct 2021 12:05:59 -0400 |
parents | 0a5b15007766 |
children | d4d83344d653 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2013-2021 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave 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 3 of the License, or // (at your option) any later version. // // Octave 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 Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <algorithm> #include <QFileIconProvider> #include <QtAlgorithms> #include "find-files-model.h" namespace octave { class find_file_less_than { public: find_file_less_than (int ord) { m_sortorder = ord; } QVariant getValue (const QFileInfo& f) const { QVariant val; int col = (m_sortorder > 0) ? m_sortorder : -m_sortorder; switch (col-1) { case 0: val = QVariant (f.fileName ()); break; case 1: val = QVariant (f.absolutePath ()); break; default: break; } return val; } bool lessThan (const QVariant& left, const QVariant& right) const { return left.toString ().compare (right.toString (), Qt::CaseInsensitive) < 0; } bool operator () (const QFileInfo& left, const QFileInfo& right) const { QVariant leftval = getValue (left); QVariant rightval = getValue (right); if (m_sortorder > 0) return lessThan (leftval, rightval); else return ! lessThan (leftval, rightval); } private: int m_sortorder; }; find_files_model::find_files_model (QObject *p) : QAbstractListModel (p) { m_columnNames.append (tr ("Filename")); m_columnNames.append (tr ("Directory")); m_sortorder = 0; } void find_files_model::clear (void) { beginResetModel (); m_files.clear (); endResetModel (); } void find_files_model::addFile (const QFileInfo& info) { beginInsertRows (QModelIndex (), m_files.size (), m_files.size ()); QList<QFileInfo>::Iterator it; find_file_less_than less_than (m_sortorder); for (it = m_files.begin (); it != m_files.end (); it++) { if (less_than (info, *it)) break; } m_files.insert (it, info); endInsertRows (); } int find_files_model::rowCount (const QModelIndex &) const { return m_files.size (); } int find_files_model::columnCount (const QModelIndex &) const { return m_columnNames.size (); } QVariant find_files_model::data (const QModelIndex& idx, int role) const { QVariant retval; if (idx.isValid ()) { if (role == Qt::DisplayRole) { switch (idx.column ()) { case 0: retval = QVariant (m_files[idx.row ()].fileName ()); break; case 1: retval = QVariant (m_files[idx.row ()].absolutePath ()); break; default: break; } } else if (role == Qt::DecorationRole) { switch (idx.column ()) { case 0: retval = fileIcon (idx); default: break; } } } return retval; } QVariant find_files_model::headerData (int section, Qt::Orientation orientation, int role) const { return ((orientation == Qt::Horizontal && role == Qt::DisplayRole) ? m_columnNames[section] : QVariant ()); } void find_files_model::sort (int column, Qt::SortOrder order) { if (column >= 0) { if (order == Qt::DescendingOrder) m_sortorder = -(column+1); else m_sortorder = column+1; } else m_sortorder = 0; if (m_sortorder != 0) { beginResetModel (); std::sort (m_files.begin (), m_files.end (), find_file_less_than (m_sortorder)); endResetModel (); } } QFileInfo find_files_model::fileInfo (const QModelIndex & p) const { return p.isValid () ? m_files[p.row ()] : QFileInfo (); } QIcon find_files_model::fileIcon (const QModelIndex& p) const { QFileIconProvider icon_provider; return p.isValid () ? icon_provider.icon (m_files[p.row ()]) : QIcon (); } }