Mercurial > projects > qtd
view examples/itemviews/customsortfiltermodel/mysortfilterproxymodel.d @ 296:5173835bb372 signals
iteration over QList with opApply
author | eldar |
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date | Sun, 22 Nov 2009 20:43:10 +0000 |
parents | 26036621830e |
children | 7a3c43424dca |
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/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Qt Software Information (qt-info@nokia.com) ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial Usage ** Licensees holding valid Qt Commercial licenses may use this file in ** accordance with the Qt Commercial License Agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Nokia. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain ** additional rights. These rights are described in the Nokia Qt LGPL ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this ** package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** If you are unsure which license is appropriate for your use, please ** contact the sales department at qt-sales@nokia.com. ** $QT_END_LICENSE$ ** ****************************************************************************/ module mysortfilterproxymodel; import qt.core.QDate; import qt.core.QVariant; import qt.core.QDateTime; import qt.gui.QSortFilterProxyModel; class MySortFilterProxyModel : public QSortFilterProxyModel { public: this(QObject parent = null) { super(parent); minDate = new QDate(); maxDate = new QDate(); } QDate filterMinimumDate() { return minDate; } void setFilterMinimumDate(QDate date) { minDate = date; invalidateFilter(); } QDate filterMaximumDate() { return maxDate; } void setFilterMaximumDate(QDate date) { maxDate = date; invalidateFilter(); } protected: override bool filterAcceptsRow(int sourceRow, const QModelIndex sourceParent) { QModelIndex index0 = sourceModel().index(sourceRow, 0, sourceParent); QModelIndex index1 = sourceModel().index(sourceRow, 1, sourceParent); QModelIndex index2 = sourceModel().index(sourceRow, 2, sourceParent); static bool contains(string str, QRegExp rx1) { auto rx2 = new QRegExp(rx1); return (rx2.indexIn(str, 0) != -1); } return (contains(sourceModel().data(index0).toString(), filterRegExp()) || contains(sourceModel().data(index1).toString(), filterRegExp())) && dateInRange(sourceModel().data(index2).toDate()); } override bool lessThan(const QModelIndex left, const QModelIndex right) { QVariant leftData = sourceModel().data(left); QVariant rightData = sourceModel().data(right); if (leftData.type() == QVariant.Type.DateTime) { return leftData.toDateTime() < rightData.toDateTime(); } else { QRegExp emailPattern = new QRegExp("([\\w\\.]*@[\\w\\.]*)"); string leftString = leftData.toString(); if(left.column() == 1 && emailPattern.indexIn(leftString) != -1) leftString = emailPattern.cap(1); string rightString = rightData.toString(); if(right.column() == 1 && emailPattern.indexIn(rightString) != -1) rightString = emailPattern.cap(1); return leftString < rightString; } } private: bool dateInRange(QDate date) { return (!minDate.isValid() || date > minDate) && (!maxDate.isValid() || date < maxDate); } QDate minDate; QDate maxDate; }