text: /* This file is part of the KDE project
     Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
     Copyright (C) 2004 Alexander Dymo <cloudtemple@mskat.net>
     Copyright (C) 2016-2018 Jarosław Staniek <staniek@kde.org>
     Copyright (C) 2018 Dmitry Baryshev <dmitrymq@gmail.com>
  
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
  
     This library 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
     Library General Public License for more details.
  
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   * Boston, MA 02110-1301, USA.
  */
  
  #include "KPropertyUrlEditor.h"
  #include "KPropertyComposedUrl.h"
  #include "KPropertyComposedUrlEditor.h"
  #include "KPropertyEditorView.h"
  #include "KPropertyUrlEditor_p.h"
  #include "KPropertyUtils.h"
  #include "kproperty_debug.h"
  
  #include <QDir>
  #include <QLineEdit>
  
  KPropertyUrlEditor::KPropertyUrlEditor(const KProperty &property, QWidget *parent)
      : KPropertyGenericSelectionEditor(parent)
      , d(new KPropertyUrlEditorPrivate(this, property))
  {
      setMainWidget(d->lineEdit);
      connect(d.data(), &KPropertyUrlEditorPrivate::commitData, this,
              [this] { emit commitData(this); });
  }
  
  KPropertyUrlEditor::~KPropertyUrlEditor() {}
  
  QUrl KPropertyUrlEditor::value() const
  {
      return d->value.toUrl();
  }
  
  void KPropertyUrlEditor::setValue(const QUrl &value)
  {
      d->setValue(value);
      const KPropertyUrlDelegate delegate;
      d->updateLineEdit(delegate.valueToString(d->value, locale()));
  }
  
  void KPropertyUrlEditor::selectButtonClicked()
  {
      QUrl url = d->getUrl();
      if (url.isValid() && d->checkAndUpdate(&url)) {
          setValue(url);
          emit commitData(this);
      }
  }
  
  bool KPropertyUrlEditor::eventFilter(QObject *o, QEvent *event)
  {
      d->processEvent(o, event);
      return KPropertyGenericSelectionEditor::eventFilter(o, event);
  }
  
  // ----
  
  KPropertyUrlDelegate::KPropertyUrlDelegate() {}
  
  QWidget *KPropertyUrlDelegate::createEditor(int type, QWidget *parent,
                                              const QStyleOptionViewItem &option,
                                              const QModelIndex &index) const
  {
      Q_UNUSED(option)
  
      const KProperty *prop = KPropertyUtils::propertyForIndex(index);
  
      if (type == KProperty::Url) {
          return new KPropertyUrlEditor(prop ? *prop : KProperty(), parent);
      } else if (type == KProperty::ComposedUrl) {
          return new KPropertyComposedUrlEditor(prop ? *prop : KProperty(), parent);
      }
  
      return nullptr;
  }
  
  QString KPropertyUrlDelegate::valueToString(const QVariant &value, const QLocale &locale) const
  {
      QUrl url;
  
      if (value.canConvert<QUrl>()) {
          url = value.toUrl();
      } else if (value.canConvert<KPropertyComposedUrl>()) {
          const KPropertyComposedUrl composedUrl = value.value<KPropertyComposedUrl>();
  
          if (composedUrl.isValid()) {
              if (!composedUrl.relativePath().isEmpty()) {
                  QUrl urlWithPath;
                  urlWithPath.setPath(composedUrl.relativePath());
                  url = urlWithPath;
              } else {
                  url = composedUrl.absoluteUrl();
              }
          } else {
              return QString();
          }
      } else {
          return QString();
      }
  
      QString s;
  
      if (url.isLocalFile()) {
          s = QDir::toNativeSeparators(url.toLocalFile());
          // TODO this assumes local files only
      } else if (url.isRelative()) {
          s = QDir::toNativeSeparators(url.toString());
      } else {
          s = url.toString();
      }
  
      if (locale.language() == QLocale::C) {
          return s;
      }
      return valueToLocalizedString(s);
  }
  