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/***************************************************************************
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* Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com> *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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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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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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***************************************************************************/
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#ifndef KFILEITEMLISTVIEW_H
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#define KFILEITEMLISTVIEW_H
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#include <libdolphin_export.h>
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#include <kitemviews/kitemlistview.h>
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class KFileItemModelRolesUpdater;
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* @brief View that allows to show the content of file-items.
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* The corresponding model set by the controller must be an instance
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* of KFileItemModel. Per default KFileItemListWidget is set as widget creator
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* value and KItemListGroupHeader as group-header creator value. Use
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* KItemListView::setWidgetCreator() and KItemListView::setGroupHeaderCreator()
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* to apply customized generators.
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class LIBDOLPHINPRIVATE_EXPORT KFileItemListView : public KItemListView
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KFileItemListView(QGraphicsWidget* parent = 0);
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virtual ~KFileItemListView();
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void setPreviewsShown(bool show);
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bool previewsShown() const;
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* If enabled a small preview gets upscaled to the icon size in case where
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* the icon size is larger than the preview. Per default enlarging is
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void setEnlargeSmallPreviews(bool enlarge);
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bool enlargeSmallPreviews() const;
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void setItemLayout(Layout layout);
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Layout itemLayout() const;
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* Sets the list of enabled thumbnail plugins that are used for previews.
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* Per default all plugins enabled in the KConfigGroup "PreviewSettings"
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* For a list of available plugins, call KServiceTypeTrader::self()->query("ThumbCreator").
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void setEnabledPlugins(const QStringList& list);
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* Returns the list of enabled thumbnail plugins.
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* @see setEnabledPlugins
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QStringList enabledPlugins() const;
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virtual QSizeF itemSizeHint(int index) const;
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virtual QHash<QByteArray, QSizeF> visibleRolesSizes(const KItemRangeList& itemRanges) const;
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virtual QPixmap createDragPixmap(const QSet<int>& indexes) const;
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virtual void initializeItemListWidget(KItemListWidget* item);
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virtual bool itemSizeHintUpdateRequired(const QSet<QByteArray>& changedRoles) const;
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virtual void onModelChanged(KItemModelBase* current, KItemModelBase* previous);
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virtual void onScrollOrientationChanged(Qt::Orientation current, Qt::Orientation previous);
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virtual void onItemSizeChanged(const QSizeF& current, const QSizeF& previous);
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virtual void onScrollOffsetChanged(qreal current, qreal previous);
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virtual void onVisibleRolesChanged(const QList<QByteArray>& current, const QList<QByteArray>& previous);
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virtual void onStyleOptionChanged(const KItemListStyleOption& current, const KItemListStyleOption& previous);
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virtual void onSupportsItemExpandingChanged(bool supportsExpanding);
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virtual void onTransactionBegin();
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virtual void onTransactionEnd();
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virtual void resizeEvent(QGraphicsSceneResizeEvent* event);
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virtual void slotItemsRemoved(const KItemRangeList& itemRanges);
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virtual void slotSortRoleChanged(const QByteArray& current, const QByteArray& previous);
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void triggerVisibleIndexRangeUpdate();
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void updateVisibleIndexRange();
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void triggerIconSizeUpdate();
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void updateIconSize();
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QSizeF visibleRoleSizeHint(int index, const QByteArray& role) const;
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void updateLayoutOfVisibleItems();
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void updateTimersInterval();
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void updateMinimumRolesWidths();
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* Applies the roles defined by KItemListView::visibleRoles() to the
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* KFileItemModel and KFileItemModelRolesUpdater. As the model does not
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* distinct between visible and invisible roles also internal roles
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* are applied that are mandatory for having a working KFileItemModel.
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void applyRolesToModel();
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* @return Size that is available for the icons. The size might be larger than specified by
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* KItemListStyleOption::iconSize: With the IconsLayout also the empty left area left
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* and right of an icon will be included.
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QSize availableIconSize() const;
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KFileItemModelRolesUpdater* m_modelRolesUpdater;
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QTimer* m_updateVisibleIndexRangeTimer;
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QTimer* m_updateIconSizeTimer;
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// Cache for calculating visibleRoleSizes() in a fast way
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QHash<QByteArray, int> m_minimumRolesWidths;
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friend class KFileItemListViewTest; // For unit testing