File indexing completed on 2024-04-28 04:21:03 

0001 /* SPDX-FileCopyrightText: 2003-2020 The KPhotoAlbum Development Team
0002 
0003    SPDX-License-Identifier: GPL-2.0-or-later
0004 */
0005 
0006 #include "RangeWidget.h"
0007 
0008 #include <KComboBox>
0009 #include <QGridLayout>
0010 #include <qlabel.h>
0011 
0012 Exif::RangeWidget::RangeWidget(const QString &text, const QString &searchTag, const ValueList &list, QGridLayout *layout, int row, QObject *parent)
0013     : QObject(parent)
0014     , m_searchTag(searchTag)
0015     , m_list(list)
0016 {
0017     int col = 0;
0018 
0019     // widget layout: <title text> <from_value> "to" <to_value>
0020     // register title text:
0021     QLabel *label = new QLabel(text);
0022     layout->addWidget(label, row, col++);
0023 
0024     // register from-field:
0025     m_from = new KComboBox;
0026     layout->addWidget(m_from, row, col++);
0027 
0028     // register filler between from- and to-field:
0029     label = new QLabel(QString::fromLatin1("to"));
0030     layout->addWidget(label, row, col++);
0031 
0032     // register to-field:
0033     m_to = new KComboBox;
0034     layout->addWidget(m_to, row, col++);
0035 
0036     Q_ASSERT(list.count() > 2);
0037     ValueList::ConstIterator it = list.begin();
0038     m_from->addItem(QString::fromLatin1("< %1").arg((*it).text));
0039 
0040     for (; it != list.end(); ++it) {
0041         m_from->addItem((*it).text);
0042     }
0043 
0044     m_from->addItem(QString::fromLatin1("> %1").arg(list.last().text));
0045     slotUpdateTo(0);
0046     m_to->setCurrentIndex(m_to->count() - 1); // set range to be min->max
0047 
0048     connect(m_from, static_cast<void (QComboBox::*)(int)>(&QComboBox::activated), this, &RangeWidget::slotUpdateTo);
0049 }
0050 
0051 void Exif::RangeWidget::slotUpdateTo(int fromIndex)
0052 {
0053     m_to->clear();
0054 
0055     if (fromIndex == 0)
0056         m_to->addItem(QString::fromLatin1("< %1").arg(m_list.first().text));
0057     else
0058         fromIndex--;
0059 
0060     for (int i = fromIndex; i < m_list.count(); ++i) {
0061         m_to->addItem(m_list[i].text);
0062     }
0063     m_to->addItem(QString::fromLatin1("> %1").arg(m_list.last().text));
0064 }
0065 
0066 Exif::SearchInfo::Range Exif::RangeWidget::range() const
0067 {
0068     SearchInfo::Range result(m_searchTag);
0069     result.min = m_list.first().value;
0070     result.max = m_list.last().value;
0071     if (m_from->currentIndex() == 0)
0072         result.isLowerMin = true;
0073     else if (m_from->currentIndex() == m_from->count() - 1)
0074         result.isLowerMax = true;
0075     else
0076         result.min = m_list[m_from->currentIndex() - 1].value;
0077 
0078     if (m_to->currentIndex() == 0 && m_from->currentIndex() == 0)
0079         result.isUpperMin = true;
0080     else if (m_to->currentIndex() == m_to->count() - 1)
0081         result.isUpperMax = true;
0082     else
0083         result.max = m_list[m_to->currentIndex() + m_from->currentIndex() - 1].value;
0084 
0085     return result;
0086 }
0087 
0088 // vi:expandtab:tabstop=4 shiftwidth=4:
0089 
0090 #include "moc_RangeWidget.cpp"