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601 lines
19 KiB
C++
601 lines
19 KiB
C++
/** ===========================================================
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* @file
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*
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* This file is a part of digiKam project
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* <a href="http://www.digikam.org">http://www.digikam.org</a>
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*
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* @date 2006-10-15
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* @brief IPTC subjects editor.
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*
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* @author Copyright (C) 2006-2012 by Gilles Caulier
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* <a href="mailto:caulier dot gilles at gmail dot com">caulier dot gilles at gmail dot com</a>
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* @author Copyright (C) 2009-2012 by Andi Clemens
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* <a href="mailto:andi dot clemens at googlemail dot com">andi dot clemens at googlemail dot com</a>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program 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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*
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* ============================================================ */
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#include "moc_subjectwidget.cpp"
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// Qt includes
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#include <QCheckBox>
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#include <QtXml/qdom.h>
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#include <QtXml/qdom.h>
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#include <QFile>
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#include <QGridLayout>
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#include <QLabel>
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#include <QPushButton>
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#include <QRadioButton>
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#include <QValidator>
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// KDE includes
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#include <kcombobox.h>
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#include <kdialog.h>
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#include <kglobal.h>
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#include <khbox.h>
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#include <kiconloader.h>
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#include <klineedit.h>
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#include <klistwidget.h>
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#include <klocale.h>
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#include <kstandarddirs.h>
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#include <kdebug.h>
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namespace KExiv2Iface
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{
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class SubjectWidget::Private
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{
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public:
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enum EditionMode
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{
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STANDARD = 0,
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CUSTOM
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};
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Private()
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{
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addSubjectButton = 0;
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delSubjectButton = 0;
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repSubjectButton = 0;
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subjectsBox = 0;
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iprLabel = 0;
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refLabel = 0;
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nameLabel = 0;
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matterLabel = 0;
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detailLabel = 0;
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btnGroup = 0;
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stdBtn = 0;
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customBtn = 0;
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refCB = 0;
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optionsBox = 0;
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}
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typedef QMap<QString, SubjectData> SubjectCodesMap;
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SubjectCodesMap subMap;
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QStringList subjectsList;
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QWidget* optionsBox;
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QPushButton* addSubjectButton;
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QPushButton* delSubjectButton;
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QPushButton* repSubjectButton;
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QLabel* iprLabel;
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QLabel* refLabel;
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QLabel* nameLabel;
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QLabel* matterLabel;
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QLabel* detailLabel;
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QButtonGroup* btnGroup;
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QRadioButton* stdBtn;
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QRadioButton* customBtn;
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KComboBox* refCB;
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KListWidget* subjectsBox;
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};
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// --------------------------------------------------------------------------------
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SubjectWidget::SubjectWidget(QWidget* parent)
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: QWidget(parent), d(new Private)
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{
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// Load subject codes provided by IPTC/NAA as xml file.
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// See http://iptc.cms.apa.at/std/topicset/topicset.iptc-subjectcode.xml for details.
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KGlobal::dirs()->addResourceDir("iptcschema", KStandardDirs::installPath("data") +
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QString("libkexiv2/data"));
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QString path = KGlobal::dirs()->findResource("iptcschema", "topicset.iptc-subjectcode.xml");
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if (!loadSubjectCodesFromXML(KUrl(path)))
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kDebug() << "Cannot load IPTC/NAA subject codes XML database";
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// --------------------------------------------------------
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// Subject Reference Number only accept digit.
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QRegExp refDigitRx("^[0-9]{8}$");
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QValidator *refValidator = new QRegExpValidator(refDigitRx, this);
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// --------------------------------------------------------
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m_subjectsCheck = new QCheckBox(i18n("Use structured definition of the subject matter:"), this);
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d->optionsBox = new QWidget;
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d->btnGroup = new QButtonGroup(this);
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d->stdBtn = new QRadioButton;
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d->customBtn = new QRadioButton;
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d->refCB = new KComboBox;
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QLabel* codeLink = new QLabel(i18n("Use standard "
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"<b><a href='http://www.iptc.org/site/NewsCodes'>"
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"reference code</a></b>"));
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codeLink->setOpenExternalLinks(true);
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codeLink->setWordWrap(false);
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// By default, check box is not visible. (digiKam do not use it, kipi-plugins yes).
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m_subjectsCheck->setVisible(false);
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QLabel* customLabel = new QLabel(i18n("Use custom definition"));
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d->btnGroup->addButton(d->stdBtn, Private::STANDARD);
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d->btnGroup->addButton(d->customBtn, Private::CUSTOM);
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d->btnGroup->setExclusive(true);
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d->stdBtn->setChecked(true);
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for (Private::SubjectCodesMap::Iterator it = d->subMap.begin();
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it != d->subMap.end(); ++it)
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d->refCB->addItem(it.key());
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// --------------------------------------------------------
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m_iprEdit = new KLineEdit;
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m_iprEdit->setClearButtonShown(true);
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m_iprEdit->setMaxLength(32);
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// --------------------------------------------------------
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m_refEdit = new KLineEdit;
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m_refEdit->setClearButtonShown(true);
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m_refEdit->setValidator(refValidator);
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m_refEdit->setMaxLength(8);
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// --------------------------------------------------------
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m_nameEdit = new KLineEdit;
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m_nameEdit->setClearButtonShown(true);
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m_nameEdit->setMaxLength(64);
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// --------------------------------------------------------
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m_matterEdit = new KLineEdit;
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m_matterEdit->setClearButtonShown(true);
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m_matterEdit->setMaxLength(64);
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// --------------------------------------------------------
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m_detailEdit = new KLineEdit;
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m_detailEdit->setClearButtonShown(true);
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m_detailEdit->setMaxLength(64);
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// --------------------------------------------------------
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d->iprLabel = new QLabel(i18nc("Information Provider Reference: "
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"A name, registered with the IPTC/NAA, "
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"identifying the provider that guarantees "
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"the uniqueness of the UNO", "I.P.R:"));
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d->refLabel = new QLabel(i18n("Reference:"));
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d->nameLabel = new QLabel(i18n("Name:"));
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d->matterLabel = new QLabel(i18n("Matter:"));
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d->detailLabel = new QLabel(i18n("Detail:"));
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// --------------------------------------------------------
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d->subjectsBox = new KListWidget;
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d->subjectsBox->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
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d->addSubjectButton = new QPushButton(i18n("&Add"));
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d->delSubjectButton = new QPushButton(i18n("&Delete"));
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d->repSubjectButton = new QPushButton(i18n("&Replace"));
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d->addSubjectButton->setIcon(SmallIcon("list-add"));
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d->delSubjectButton->setIcon(SmallIcon("edit-delete"));
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d->repSubjectButton->setIcon(SmallIcon("view-refresh"));
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d->delSubjectButton->setEnabled(false);
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d->repSubjectButton->setEnabled(false);
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// --------------------------------------------------------
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m_note = new QLabel;
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m_note->setMaximumWidth(150);
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m_note->setOpenExternalLinks(true);
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m_note->setWordWrap(true);
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m_note->setFrameStyle(QFrame::StyledPanel | QFrame::Raised);
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// --------------------------------------------------------
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QGridLayout* optionsBoxLayout = new QGridLayout;
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optionsBoxLayout->addWidget(d->stdBtn, 0, 0, 1, 1);
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optionsBoxLayout->addWidget(codeLink, 0, 1, 1, 2);
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optionsBoxLayout->addWidget(d->refCB, 0, 3, 1, 1);
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optionsBoxLayout->addWidget(d->customBtn, 1, 0, 1, 4);
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optionsBoxLayout->addWidget(customLabel, 1, 1, 1, 4);
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optionsBoxLayout->addWidget(d->iprLabel, 2, 0, 1, 1);
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optionsBoxLayout->addWidget(m_iprEdit, 2, 1, 1, 4);
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optionsBoxLayout->addWidget(d->refLabel, 3, 0, 1, 1);
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optionsBoxLayout->addWidget(m_refEdit, 3, 1, 1, 1);
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optionsBoxLayout->addWidget(d->nameLabel, 4, 0, 1, 1);
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optionsBoxLayout->addWidget(m_nameEdit, 4, 1, 1, 4);
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optionsBoxLayout->addWidget(d->matterLabel, 5, 0, 1, 1);
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optionsBoxLayout->addWidget(m_matterEdit, 5, 1, 1, 4);
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optionsBoxLayout->addWidget(d->detailLabel, 6, 0, 1, 1);
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optionsBoxLayout->addWidget(m_detailEdit, 6, 1, 1, 4);
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optionsBoxLayout->setColumnStretch(4, 10);
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optionsBoxLayout->setMargin(0);
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optionsBoxLayout->setSpacing(KDialog::spacingHint());
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d->optionsBox->setLayout(optionsBoxLayout);
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// --------------------------------------------------------
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QGridLayout* mainLayout = new QGridLayout;
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mainLayout->setAlignment( Qt::AlignTop );
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mainLayout->addWidget(m_subjectsCheck, 0, 0, 1, 4);
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mainLayout->addWidget(d->optionsBox, 1, 0, 1, 4);
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mainLayout->addWidget(d->subjectsBox, 2, 0, 5, 3);
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mainLayout->addWidget(d->addSubjectButton, 2, 3, 1, 1);
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mainLayout->addWidget(d->delSubjectButton, 3, 3, 1, 1);
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mainLayout->addWidget(d->repSubjectButton, 4, 3, 1, 1);
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mainLayout->addWidget(m_note, 5, 3, 1, 1);
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mainLayout->setRowStretch(6, 10);
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mainLayout->setColumnStretch(2, 1);
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mainLayout->setMargin(0);
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mainLayout->setSpacing(KDialog::spacingHint());
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setLayout(mainLayout);
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// --------------------------------------------------------
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connect(d->subjectsBox, SIGNAL(itemSelectionChanged()),
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this, SLOT(slotSubjectSelectionChanged()));
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connect(d->addSubjectButton, SIGNAL(clicked()),
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this, SLOT(slotAddSubject()));
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connect(d->delSubjectButton, SIGNAL(clicked()),
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this, SLOT(slotDelSubject()));
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connect(d->repSubjectButton, SIGNAL(clicked()),
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this, SLOT(slotRepSubject()));
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connect(d->btnGroup, SIGNAL(buttonReleased(int)),
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this, SLOT(slotEditOptionChanged(int)));
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connect(d->refCB, SIGNAL(activated(int)),
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this, SLOT(slotRefChanged()));
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// --------------------------------------------------------
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connect(m_subjectsCheck, SIGNAL(toggled(bool)),
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this, SLOT(slotSubjectsToggled(bool)));
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// --------------------------------------------------------
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connect(m_subjectsCheck, SIGNAL(toggled(bool)),
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this, SIGNAL(signalModified()));
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connect(d->addSubjectButton, SIGNAL(clicked()),
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this, SIGNAL(signalModified()));
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connect(d->delSubjectButton, SIGNAL(clicked()),
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this, SIGNAL(signalModified()));
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connect(d->repSubjectButton, SIGNAL(clicked()),
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this, SIGNAL(signalModified()));
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// --------------------------------------------------------
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slotEditOptionChanged(d->btnGroup->id(d->btnGroup->checkedButton()));
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}
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SubjectWidget::~SubjectWidget()
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{
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delete d;
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}
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void SubjectWidget::slotSubjectsToggled(bool b)
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{
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d->optionsBox->setEnabled(b);
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d->subjectsBox->setEnabled(b);
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d->addSubjectButton->setEnabled(b);
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d->delSubjectButton->setEnabled(b);
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d->repSubjectButton->setEnabled(b);
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slotEditOptionChanged(d->btnGroup->id(d->btnGroup->checkedButton()));
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}
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void SubjectWidget::slotEditOptionChanged(int b)
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{
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if (b == Private::CUSTOM)
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{
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d->refCB->setEnabled(false);
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m_iprEdit->setEnabled(true);
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m_refEdit->setEnabled(true);
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m_nameEdit->setEnabled(true);
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m_matterEdit->setEnabled(true);
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m_detailEdit->setEnabled(true);
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}
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else
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{
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d->refCB->setEnabled(true);
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m_iprEdit->setEnabled(false);
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m_refEdit->setEnabled(false);
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m_nameEdit->setEnabled(false);
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m_matterEdit->setEnabled(false);
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m_detailEdit->setEnabled(false);
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slotRefChanged();
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}
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}
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void SubjectWidget::slotRefChanged()
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{
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QString key = d->refCB->currentText();
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QString name, matter, detail;
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for (Private::SubjectCodesMap::Iterator it = d->subMap.begin();
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it != d->subMap.end(); ++it)
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{
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if (key == it.key())
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{
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name = it.value().name;
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matter = it.value().matter;
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detail = it.value().detail;
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}
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}
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m_refEdit->setText(key);
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m_nameEdit->setText(name);
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m_matterEdit->setText(matter);
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m_detailEdit->setText(detail);
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}
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QString SubjectWidget::buildSubject() const
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{
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QString subject = m_iprEdit->text();
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subject.append(":");
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subject.append(m_refEdit->text());
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subject.append(":");
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subject.append(m_nameEdit->text());
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subject.append(":");
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subject.append(m_matterEdit->text());
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subject.append(":");
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subject.append(m_detailEdit->text());
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return subject;
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}
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void SubjectWidget::slotDelSubject()
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{
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QListWidgetItem* item = d->subjectsBox->currentItem();
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if (!item) return;
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d->subjectsBox->takeItem(d->subjectsBox->row(item));
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delete item;
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}
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void SubjectWidget::slotRepSubject()
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{
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QString newSubject = buildSubject();
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if (newSubject.isEmpty()) return;
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if (!d->subjectsBox->selectedItems().isEmpty())
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{
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d->subjectsBox->selectedItems()[0]->setText(newSubject);
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m_iprEdit->clear();
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m_refEdit->clear();
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m_nameEdit->clear();
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m_matterEdit->clear();
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m_detailEdit->clear();
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}
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}
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void SubjectWidget::slotSubjectSelectionChanged()
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{
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if (!d->subjectsBox->selectedItems().isEmpty())
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{
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QString subject = d->subjectsBox->selectedItems()[0]->text();
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m_iprEdit->setText(subject.section(':', 0, 0));
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m_refEdit->setText(subject.section(':', 1, 1));
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m_nameEdit->setText(subject.section(':', 2, 2));
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m_matterEdit->setText(subject.section(':', 3, 3));
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m_detailEdit->setText(subject.section(':', 4, 4));
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d->delSubjectButton->setEnabled(true);
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d->repSubjectButton->setEnabled(true);
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}
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else
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{
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d->delSubjectButton->setEnabled(false);
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d->repSubjectButton->setEnabled(false);
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}
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}
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void SubjectWidget::slotAddSubject()
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{
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QString newSubject = buildSubject();
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if (newSubject.isEmpty()) return;
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bool found = false;
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for (int i = 0 ; i < d->subjectsBox->count(); i++)
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{
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QListWidgetItem* item = d->subjectsBox->item(i);
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if (newSubject == item->text())
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{
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found = true;
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break;
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}
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}
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if (!found)
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{
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d->subjectsBox->insertItem(d->subjectsBox->count(), newSubject);
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m_iprEdit->clear();
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m_refEdit->clear();
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m_nameEdit->clear();
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m_matterEdit->clear();
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m_detailEdit->clear();
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}
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}
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bool SubjectWidget::loadSubjectCodesFromXML(const KUrl& url)
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{
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QFile xmlfile(url.toLocalFile());
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if (!xmlfile.open(QIODevice::ReadOnly))
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return false;
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QDomDocument xmlDoc("NewsML");
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if (!xmlDoc.setContent(&xmlfile))
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return false;
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QDomElement xmlDocElem = xmlDoc.documentElement();
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if (xmlDocElem.tagName()!="NewsML")
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return false;
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for (QDomNode nbE1 = xmlDocElem.firstChild();
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!nbE1.isNull(); nbE1 = nbE1.nextSibling())
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{
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QDomElement newsItemElement = nbE1.toElement();
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if (newsItemElement.isNull()) continue;
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if (newsItemElement.tagName() != "NewsItem") continue;
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for (QDomNode nbE2 = newsItemElement.firstChild();
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!nbE2.isNull(); nbE2 = nbE2.nextSibling())
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{
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QDomElement topicSetElement = nbE2.toElement();
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if (topicSetElement.isNull()) continue;
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if (topicSetElement.tagName() != "TopicSet") continue;
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for (QDomNode nbE3 = topicSetElement.firstChild();
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!nbE3.isNull(); nbE3 = nbE3.nextSibling())
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{
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QDomElement topicElement = nbE3.toElement();
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if (topicElement.isNull()) continue;
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if (topicElement.tagName() != "Topic") continue;
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QString type, name, matter, detail, ref;
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for (QDomNode nbE4 = topicElement.firstChild();
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!nbE4.isNull(); nbE4 = nbE4.nextSibling())
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{
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QDomElement topicSubElement = nbE4.toElement();
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if (topicSubElement.isNull()) continue;
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if (topicSubElement.tagName() == "TopicType")
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type = topicSubElement.attribute("FormalName");
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if (topicSubElement.tagName() == "FormalName")
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ref = topicSubElement.text();
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if (topicSubElement.tagName() == "Description" &&
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topicSubElement.attribute("Variant") == "Name")
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{
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if (type == "Subject")
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name = topicSubElement.text();
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else if (type == "SubjectMatter")
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matter = topicSubElement.text();
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else if (type == "SubjectDetail")
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detail = topicSubElement.text();
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}
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}
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d->subMap.insert(ref, SubjectData(name, matter, detail));
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}
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}
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}
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|
|
// Set the Subject Name everywhere on the map.
|
|
|
|
for (Private::SubjectCodesMap::Iterator it = d->subMap.begin();
|
|
it != d->subMap.end(); ++it)
|
|
{
|
|
QString name, keyPrefix;
|
|
if (it.key().endsWith(QLatin1String("00000")))
|
|
{
|
|
keyPrefix = it.key().left(3);
|
|
name = it.value().name;
|
|
|
|
for (Private::SubjectCodesMap::Iterator it2 = d->subMap.begin();
|
|
it2 != d->subMap.end(); ++it2)
|
|
{
|
|
if (it2.key().startsWith(keyPrefix) &&
|
|
!it2.key().endsWith(QLatin1String("00000")))
|
|
{
|
|
it2.value().name = name;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set the Subject Matter Name everywhere on the map.
|
|
|
|
for (Private::SubjectCodesMap::Iterator it = d->subMap.begin();
|
|
it != d->subMap.end(); ++it)
|
|
{
|
|
QString matter, keyPrefix;
|
|
if (it.key().endsWith(QLatin1String("000")))
|
|
{
|
|
keyPrefix = it.key().left(5);
|
|
matter = it.value().matter;
|
|
|
|
for (Private::SubjectCodesMap::Iterator it2 = d->subMap.begin();
|
|
it2 != d->subMap.end(); ++it2)
|
|
{
|
|
if (it2.key().startsWith(keyPrefix) &&
|
|
!it2.key().endsWith(QLatin1String("000")))
|
|
{
|
|
it2.value().matter = matter;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void SubjectWidget::setSubjectsList(const QStringList& list)
|
|
{
|
|
d->subjectsList = list;
|
|
|
|
blockSignals(true);
|
|
d->subjectsBox->clear();
|
|
m_subjectsCheck->setChecked(false);
|
|
if (!d->subjectsList.isEmpty())
|
|
{
|
|
d->subjectsBox->insertItems(0, d->subjectsList);
|
|
m_subjectsCheck->setChecked(true);
|
|
}
|
|
|
|
blockSignals(false);
|
|
slotSubjectsToggled(m_subjectsCheck->isChecked());
|
|
}
|
|
|
|
QStringList SubjectWidget::subjectsList() const
|
|
{
|
|
QStringList newSubjects;
|
|
|
|
for (int i = 0 ; i < d->subjectsBox->count(); i++)
|
|
{
|
|
QListWidgetItem* item = d->subjectsBox->item(i);
|
|
newSubjects.append(item->text());
|
|
}
|
|
|
|
return newSubjects;
|
|
}
|
|
|
|
} // namespace KExiv2Iface
|