File indexing completed on 2025-03-09 03:57:06

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2010-05-22
  * Description : database key selector.
  *
  * SPDX-FileCopyrightText: 2010-2012 by Andi Clemens <andi dot clemens at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "dbkeyselector.h"
 
 // Qt includes
 
 #include <QHeaderView>
 #include <QGridLayout>
 #include <QString>
 #include <QMap>
 #include <QPushButton>
 #include <QApplication>
 #include <QStyle>
 
 // KDE includes
 
 #include <klocalizedstring.h>
 
 // Local includes
 
 #include "ditemtooltip.h"
 #include "dbkeyscollection.h"
 #include "dbheaderlistitem.h"
 
 namespace Digikam
 {
 
 DbKeySelectorItem::DbKeySelectorItem(DbHeaderListItem* const parent, const QString& title, const QString& desc)
     : QTreeWidgetItem(parent),
       m_key          (title),
       m_description  (desc)
 {
     setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsUserCheckable);
     setCheckState(0, Qt::Unchecked);
     setChildIndicatorPolicy(QTreeWidgetItem::DontShowIndicator);
 
     setText(0, title);
 
     QString descVal = desc.simplified();
 
     if (descVal.length() > 512)
     {
         descVal.truncate(512);
         descVal.append(QLatin1String("..."));
     }
 
     setText(1, descVal);
 
     DToolTipStyleSheet cnt;
     setToolTip(1, QLatin1String("<qt><p>") + cnt.breakString(descVal) + QLatin1String("</p></qt>"));
 }
 
 DbKeySelectorItem::~DbKeySelectorItem()
 {
 }
 
 QString DbKeySelectorItem::key() const
 {
     return m_key;
 }
 
 QString DbKeySelectorItem::description() const
 {
     return m_description;
 }
 
 // ------------------------------------------------------------------------------------
 
 DbKeySelector::DbKeySelector(QWidget* const parent)
     : QTreeWidget(parent)
 {
     setColumnCount(2);
     setRootIsDecorated(false);
     setUniformRowHeights(true);
     setAllColumnsShowFocus(true);
     setSelectionMode(QAbstractItemView::SingleSelection);
     setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 
     QStringList labels;
     labels.append(i18n("Key"));
     labels.append(i18n("Description"));
     setHeaderLabels(labels);
     header()->setSectionResizeMode(0, QHeaderView::Stretch);
     header()->setSectionResizeMode(1, QHeaderView::Stretch);
 }
 
 DbKeySelector::~DbKeySelector()
 {
 }
 
 void DbKeySelector::setKeysMap(const DbOptionKeysMap& map)
 {
     clear();
     setSortingEnabled(true);
 
     QMap<QString, DbHeaderListItem*> headers;
 
     for (DbOptionKeysMap::const_iterator it = map.constBegin() ; it != map.constEnd() ; ++it)
     {
         if (!headers.contains(it.value()->collectionName()))
         {
             headers.insert(it.value()->collectionName(), new DbHeaderListItem(this, it.value()->collectionName()));
         }
 
         new DbKeySelectorItem(headers.value(it.value()->collectionName()),
                               it.key(),
                               it.value()->ids().value(it.key()));
     }
 
     sortByColumn(0, Qt::AscendingOrder);
     setSortingEnabled(false);
 }
 
 QStringList DbKeySelector::checkedKeysList()
 {
     QStringList list;
     QTreeWidgetItemIterator it(this, QTreeWidgetItemIterator::Checked);
 
     while (*it)
     {
         DbKeySelectorItem* const item = dynamic_cast<DbKeySelectorItem*>(*it);
 
         if (item)
         {
             list.append(item->key());
         }
 
         ++it;
     }
 
     return list;
 }
 
 // ------------------------------------------------------------------------------------
 
 class Q_DECL_HIDDEN DbKeySelectorView::Private
 {
 public:
 
     explicit Private()
       : selector (nullptr),
         searchBar(nullptr)
     {
     }
 
     DbKeySelector* selector;
     SearchTextBar* searchBar;
 };
 
 DbKeySelectorView::DbKeySelectorView(QWidget* const parent)
     : QWidget(parent),
       d      (new Private)
 {
     const int spacing       = qMin(QApplication::style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing),
                              QApplication::style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing));
 
     QGridLayout* const grid = new QGridLayout(this);
     d->selector             = new DbKeySelector(this);
     d->searchBar            = new SearchTextBar(this, QLatin1String("DbKeySelectorView"));
 
     grid->addWidget(d->selector,  0, 0, 1, 1);
     grid->addWidget(d->searchBar, 1, 0, 1, 1);
     grid->setColumnStretch(0, 10);
     grid->setRowStretch(0, 10);
     grid->setContentsMargins(spacing, spacing, spacing, spacing);
     grid->setSpacing(spacing);
 
     connect(d->searchBar, SIGNAL(signalSearchTextSettings(SearchTextSettings)),
             this, SLOT(slotSearchTextChanged(SearchTextSettings)));
 }
 
 DbKeySelectorView::~DbKeySelectorView()
 {
     delete d;
 }
 
 void DbKeySelectorView::setKeysMap(const DbOptionKeysMap& map)
 {
     d->selector->setKeysMap(map);
 }
 
 QStringList DbKeySelectorView::checkedKeysList() const
 {
     d->searchBar->clear();
 
     return d->selector->checkedKeysList();
 }
 
 void DbKeySelectorView::slotSearchTextChanged(const SearchTextSettings& settings)
 {
     QString search       = settings.text;
     bool atleastOneMatch = false;
 
     // Restore all DbKey items.
 
     QTreeWidgetItemIterator it2(d->selector);
 
     while (*it2)
     {
         DbHeaderListItem* const item = dynamic_cast<DbHeaderListItem*>(*it2);
 
         if (item)
         {
             item->setHidden(false);
         }
 
         ++it2;
     }
 
     QTreeWidgetItemIterator it(d->selector);
 
     while (*it)
     {
         DbKeySelectorItem* const item = dynamic_cast<DbKeySelectorItem*>(*it);
 
         if (item)
         {
             bool match = item->description().contains(search, settings.caseSensitive) ||
                          item->key().contains(search, settings.caseSensitive);
 
             if (match)
             {
                 atleastOneMatch = true;
                 item->setHidden(false);
             }
             else
             {
                 item->setHidden(true);
             }
         }
 
         ++it;
     }
 
     removeChildlessHeaders();
     d->searchBar->slotSearchResult(atleastOneMatch);
 }
 
 void DbKeySelectorView::removeChildlessHeaders()
 {
     QTreeWidgetItemIterator it(d->selector);
 
     while (*it)
     {
         DbHeaderListItem* const item = dynamic_cast<DbHeaderListItem*>(*it);
 
         if (item)
         {
             int children   = item->childCount();
             int visibles = 0;
 
             for (int i = 0 ; i < children ; ++i)
             {
                 QTreeWidgetItem* const citem = (*it)->child(i);
 
                 if (!citem->isHidden())
                 {
                     ++visibles;
                 }
             }
 
             if (!children || !visibles)
             {
                 item->setHidden(true);
             }
         }
 
         ++it;
     }
 }
 
 } // namespace Digikam
 
 #include "moc_dbkeyselector.cpp"