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Diffstat (limited to 'kipi-plugins/metadataedit/iptckeywords.cpp')
| -rw-r--r-- | kipi-plugins/metadataedit/iptckeywords.cpp | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/kipi-plugins/metadataedit/iptckeywords.cpp b/kipi-plugins/metadataedit/iptckeywords.cpp new file mode 100644 index 0000000..1307cbb --- /dev/null +++ b/kipi-plugins/metadataedit/iptckeywords.cpp @@ -0,0 +1,250 @@ +/* ============================================================ + * + * This file is a part of kipi-plugins project + * http://www.kipi-plugins.org + * + * Date : 2006-10-15 + * Description : IPTC keywords settings page. + * + * Copyright (C) 2006-2007 by Gilles Caulier <caulier dot gilles at gmail dot com> + * + * This program 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 2, or (at your option) any later version. + * + * This program 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. + * + * ============================================================ */ + +// QT includes. + +#include <qlayout.h> +#include <qlabel.h> +#include <qwhatsthis.h> +#include <qvalidator.h> +#include <qcheckbox.h> +#include <qpushbutton.h> + +// KDE includes. + +#include <klocale.h> +#include <kdialog.h> +#include <klistbox.h> +#include <klineedit.h> +#include <kactivelabel.h> +#include <kiconloader.h> + +// LibKExiv2 includes. + +#include <libkexiv2/kexiv2.h> + +// Local includes. + +#include "iptckeywords.h" +#include "iptckeywords.moc" + +namespace KIPIMetadataEditPlugin +{ + +class IPTCKeywordsPriv +{ +public: + + IPTCKeywordsPriv() + { + addKeywordButton = 0; + delKeywordButton = 0; + keywordsBox = 0; + keywordsCheck = 0; + keywordEdit = 0; + } + + QStringList oldKeywords; + + QPushButton *addKeywordButton; + QPushButton *delKeywordButton; + + QCheckBox *keywordsCheck; + + KLineEdit *keywordEdit; + + KListBox *keywordsBox; +}; + +IPTCKeywords::IPTCKeywords(QWidget* parent) + : QWidget(parent) +{ + d = new IPTCKeywordsPriv; + QGridLayout *grid = new QGridLayout(parent, 5, 2, 0, KDialog::spacingHint()); + grid->setAlignment( Qt::AlignTop ); + + // IPTC only accept printable Ascii char. + QRegExp asciiRx("[\x20-\x7F]+$"); + QValidator *asciiValidator = new QRegExpValidator(asciiRx, this); + + // -------------------------------------------------------- + + d->keywordsCheck = new QCheckBox(i18n("Use information retrieval words:"), parent); + + d->keywordEdit = new KLineEdit(parent); + d->keywordEdit->setValidator(asciiValidator); + d->keywordEdit->setMaxLength(64); + QWhatsThis::add(d->keywordEdit, i18n("<p>Enter here a new keyword. " + "This field is limited to 64 ASCII characters.")); + + d->keywordsBox = new KListBox(parent); + d->keywordsBox->setVScrollBarMode(QScrollView::AlwaysOn); + + d->addKeywordButton = new QPushButton( i18n("&Add"), parent); + d->delKeywordButton = new QPushButton( i18n("&Delete"), parent); + d->addKeywordButton->setIconSet(SmallIcon("add")); + d->delKeywordButton->setIconSet(SmallIcon("remove")); + d->delKeywordButton->setEnabled(false); + + grid->addMultiCellWidget(d->keywordsCheck, 0, 0, 0, 1); + grid->addMultiCellWidget(d->keywordEdit, 1, 1, 0, 0); + grid->addMultiCellWidget(d->keywordsBox, 2, 5, 0, 0); + grid->addMultiCellWidget(d->addKeywordButton, 2, 2, 1, 1); + grid->addMultiCellWidget(d->delKeywordButton, 3, 3, 1, 1); + + // -------------------------------------------------------- + + KActiveLabel *note = new KActiveLabel(i18n("<b>Note: " + "<b><a href='http://en.wikipedia.org/wiki/IPTC'>IPTC</a></b> " + "text tags only support the printable " + "<b><a href='http://en.wikipedia.org/wiki/Ascii'>ASCII</a></b> " + "characters set and limit strings size. " + "Use contextual help for details.</b>"), parent); + note->setMaximumWidth(150); + + grid->addMultiCellWidget(note, 4, 4, 1, 1); + grid->setColStretch(0, 10); + grid->setRowStretch(5, 10); + + // -------------------------------------------------------- + + connect(d->keywordsBox, SIGNAL(selectionChanged()), + this, SLOT(slotKeywordSelectionChanged())); + + connect(d->addKeywordButton, SIGNAL(clicked()), + this, SLOT(slotAddKeyword())); + + connect(d->delKeywordButton, SIGNAL(clicked()), + this, SLOT(slotDelKeyword())); + + // -------------------------------------------------------- + + connect(d->keywordsCheck, SIGNAL(toggled(bool)), + d->keywordEdit, SLOT(setEnabled(bool))); + + connect(d->keywordsCheck, SIGNAL(toggled(bool)), + d->keywordsBox, SLOT(setEnabled(bool))); + + connect(d->keywordsCheck, SIGNAL(toggled(bool)), + d->addKeywordButton, SLOT(setEnabled(bool))); + + connect(d->keywordsCheck, SIGNAL(toggled(bool)), + d->delKeywordButton, SLOT(setEnabled(bool))); + + // -------------------------------------------------------- + + connect(d->keywordsCheck, SIGNAL(toggled(bool)), + this, SIGNAL(signalModified())); + + connect(d->addKeywordButton, SIGNAL(clicked()), + this, SIGNAL(signalModified())); + + connect(d->delKeywordButton, SIGNAL(clicked()), + this, SIGNAL(signalModified())); +} + +IPTCKeywords::~IPTCKeywords() +{ + delete d; +} + +void IPTCKeywords::slotDelKeyword() +{ + int index = d->keywordsBox->currentItem(); + if (index == -1) + return; + + QListBoxItem* item = d->keywordsBox->item(index); + if (!item) return; + delete item; +} + +void IPTCKeywords::slotKeywordSelectionChanged() +{ + if (d->keywordsBox->currentItem() != -1) + d->delKeywordButton->setEnabled(true); + else + d->delKeywordButton->setEnabled(false); +} + +void IPTCKeywords::slotAddKeyword() +{ + QString newKeyword = d->keywordEdit->text(); + if (newKeyword.isEmpty()) return; + + bool found = false; + for (QListBoxItem *item = d->keywordsBox->firstItem(); + item; item = item->next()) + { + if (newKeyword == item->text()) + { + found = true; + break; + } + } + + if (!found) + d->keywordsBox->insertItem(newKeyword); +} + +void IPTCKeywords::readMetadata(QByteArray& iptcData) +{ + blockSignals(true); + KExiv2Iface::KExiv2 exiv2Iface; + exiv2Iface.setIptc(iptcData); + d->oldKeywords = exiv2Iface.getImageKeywords(); + + d->keywordsBox->clear(); + d->keywordsCheck->setChecked(false); + if (!d->oldKeywords.isEmpty()) + { + d->keywordsBox->insertStringList(d->oldKeywords); + d->keywordsCheck->setChecked(true); + } + d->keywordEdit->setEnabled(d->keywordsCheck->isChecked()); + d->keywordsBox->setEnabled(d->keywordsCheck->isChecked()); + d->addKeywordButton->setEnabled(d->keywordsCheck->isChecked()); + d->delKeywordButton->setEnabled(d->keywordsCheck->isChecked()); + + blockSignals(false); +} + +void IPTCKeywords::applyMetadata(QByteArray& iptcData) +{ + KExiv2Iface::KExiv2 exiv2Iface; + exiv2Iface.setIptc(iptcData); + QStringList newKeywords; + + for (QListBoxItem *item = d->keywordsBox->firstItem(); + item; item = item->next()) + newKeywords.append(item->text()); + + if (d->keywordsCheck->isChecked()) + exiv2Iface.setImageKeywords(d->oldKeywords, newKeywords); + else + exiv2Iface.setImageKeywords(d->oldKeywords, QStringList()); + + iptcData = exiv2Iface.getIptc(); +} + +} // namespace KIPIMetadataEditPlugin + |