File indexing completed on 2024-04-28 08:31:14

 /*
     SPDX-FileCopyrightText: 2006-2010 Sebastian Trueg <trueg@kde.org>
     SPDX-FileCopyrightText: 2011-2013 Vishesh Handa <me@vhanda.in>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "tagwidget.h"
 #include "kblocklayout.h"
 #include "kedittagsdialog_p.h"
 #include "tagcheckbox.h"
 
 #include <KLocalizedString>
 
 #include <QLabel>
 #include <QMap>
 
 using namespace Baloo;
 
 class Baloo::TagWidgetPrivate
 {
 public:
     void init(TagWidget *parent);
     void rebuild();
     void buildTagHash(const QStringList &tags);
 
     /// create clickable tag label
     void addTagLabel(const QString &tag);
 
     /// check the corresponding checkboxes and even
     /// add missing checkboxes
     void selectTags(const QStringList &tags);
 
     bool m_readOnly = false;
 
     QMap<QString, TagCheckBox *> m_tagLabels;
     QLabel *m_showAllLinkLabel = nullptr;
     KBlockLayout *m_flowLayout = nullptr;
     TagWidget *q;
 
     void showEditDialog();
     void kEditTagDialogFinished(int result);
     KEditTagsDialog *m_editTagsDialog = nullptr;
 };
 
 void TagWidgetPrivate::init(TagWidget *parent)
 {
     q = parent;
 
     auto mainLayout = new QGridLayout(q);
     mainLayout->setContentsMargins(0, 0, 0, 0);
     // TODO spacingHint should be declared. Old code  m_flowLayout = new KBlockLayout( 0, KDialog::spacingHint()*3 );
     m_flowLayout = new KBlockLayout(0);
     mainLayout->addLayout(m_flowLayout, 0, 0, 1, 2);
     mainLayout->setColumnStretch(0, 1);
 }
 
 void TagWidgetPrivate::rebuild()
 {
     buildTagHash(q->selectedTags());
 }
 
 void TagWidgetPrivate::buildTagHash(const QStringList &tags)
 {
     qDeleteAll(m_tagLabels);
     m_tagLabels.clear();
 
     for (const QString &tag : tags) {
         addTagLabel(tag);
     }
 
     delete m_showAllLinkLabel;
     m_showAllLinkLabel = nullptr;
 
     if (m_readOnly && !tags.isEmpty()) {
         return;
     }
 
     m_showAllLinkLabel = new QLabel(q);
     m_flowLayout->addWidget(m_showAllLinkLabel);
     if (m_readOnly) {
         m_showAllLinkLabel->setTextFormat(Qt::PlainText);
         m_showAllLinkLabel->setText(QStringLiteral("-"));
     } else {
         m_showAllLinkLabel->setTextFormat(Qt::RichText);
         m_showAllLinkLabel->setText(QStringLiteral("<a href=\"add_tags\">%1</a>").arg(m_tagLabels.isEmpty() ? i18nc("@label", "Add...") : i18nc("@label", "Edit...")));
         q->connect(m_showAllLinkLabel, &QLabel::linkActivated, [this]{showEditDialog();});
     }
 }
 
 void TagWidgetPrivate::addTagLabel(const QString &tag)
 {
     const auto it = m_tagLabels.find(tag);
     if (it == m_tagLabels.end()) {
         auto label = new TagCheckBox(tag, q);
         q->connect(label, &TagCheckBox::tagClicked, q, &TagWidget::tagClicked);
         m_tagLabels.insert(tag, label);
         m_flowLayout->addWidget(label);
     }
 }
 
 void TagWidgetPrivate::selectTags(const QStringList &tags)
 {
     buildTagHash(tags);
 }
 
 TagWidget::TagWidget(QWidget *parent)
     : QWidget(parent)
     , d(new TagWidgetPrivate())
 {
     setForegroundRole(parent->foregroundRole());
     d->init(this);
 }
 
 TagWidget::~TagWidget() = default;
 
 QStringList TagWidget::selectedTags() const
 {
     return d->m_tagLabels.keys();
 }
 
 Qt::Alignment TagWidget::alignment() const
 {
     return d->m_flowLayout->alignment();
 }
 
 bool TagWidget::readOnly() const
 {
     return d->m_readOnly;
 }
 
 void TagWidget::setSelectedTags(const QStringList &tags)
 {
     d->selectTags(tags);
 }
 
 void TagWidget::setAlignment(Qt::Alignment alignment)
 {
     d->m_flowLayout->setAlignment(alignment);
 }
 
 void TagWidget::setReadyOnly(bool readOnly)
 {
     d->m_readOnly = readOnly;
     d->rebuild();
 }
 
 void TagWidgetPrivate::showEditDialog()
 {
     m_editTagsDialog = new KEditTagsDialog(m_tagLabels.keys(), q);
     m_editTagsDialog->setWindowModality(Qt::ApplicationModal);
     q->connect(m_editTagsDialog, &QDialog::finished, q, [this](int result) {kEditTagDialogFinished(result);});
     m_editTagsDialog->open();
 }
 
 void TagWidgetPrivate::kEditTagDialogFinished(int result)
 {
     if (result == QDialog::Accepted) {
         selectTags(m_editTagsDialog->tags());
         Q_EMIT q->selectionChanged(m_tagLabels.keys());
     }
 
     m_editTagsDialog->deleteLater();
     m_editTagsDialog = nullptr;
 }
 
 #include "moc_tagwidget.cpp"