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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQUICKITEMVIEW_P_H
+#define QQUICKITEMVIEW_P_H
+
+#include "qquickflickable_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QDeclarativeChangeSet;
+
+class QQuickItemViewPrivate;
+
+class Q_AUTOTEST_EXPORT QQuickItemView : public QQuickFlickable
+{
+ Q_OBJECT
+
+ Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
+ Q_PROPERTY(QDeclarativeComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
+ Q_PROPERTY(int count READ count NOTIFY countChanged)
+
+ Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged)
+ Q_PROPERTY(QQuickItem *currentItem READ currentItem NOTIFY currentItemChanged)
+
+ Q_PROPERTY(bool keyNavigationWraps READ isWrapEnabled WRITE setWrapEnabled NOTIFY keyNavigationWrapsChanged)
+ Q_PROPERTY(int cacheBuffer READ cacheBuffer WRITE setCacheBuffer NOTIFY cacheBufferChanged)
+
+ Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged)
+ Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged)
+
+ Q_PROPERTY(QDeclarativeComponent *header READ header WRITE setHeader NOTIFY headerChanged)
+ Q_PROPERTY(QQuickItem *headerItem READ headerItem NOTIFY headerItemChanged)
+ Q_PROPERTY(QDeclarativeComponent *footer READ footer WRITE setFooter NOTIFY footerChanged)
+ Q_PROPERTY(QQuickItem *footerItem READ footerItem NOTIFY footerItemChanged)
+
+ Q_PROPERTY(QDeclarativeComponent *highlight READ highlight WRITE setHighlight NOTIFY highlightChanged)
+ Q_PROPERTY(QQuickItem *highlightItem READ highlightItem NOTIFY highlightItemChanged)
+ Q_PROPERTY(bool highlightFollowsCurrentItem READ highlightFollowsCurrentItem WRITE setHighlightFollowsCurrentItem NOTIFY highlightFollowsCurrentItemChanged)
+ Q_PROPERTY(HighlightRangeMode highlightRangeMode READ highlightRangeMode WRITE setHighlightRangeMode NOTIFY highlightRangeModeChanged)
+ Q_PROPERTY(qreal preferredHighlightBegin READ preferredHighlightBegin WRITE setPreferredHighlightBegin NOTIFY preferredHighlightBeginChanged RESET resetPreferredHighlightBegin)
+ Q_PROPERTY(qreal preferredHighlightEnd READ preferredHighlightEnd WRITE setPreferredHighlightEnd NOTIFY preferredHighlightEndChanged RESET resetPreferredHighlightEnd)
+ Q_PROPERTY(int highlightMoveDuration READ highlightMoveDuration WRITE setHighlightMoveDuration NOTIFY highlightMoveDurationChanged)
+
+ Q_ENUMS(HighlightRangeMode)
+ Q_ENUMS(PositionMode)
+
+public:
+ QQuickItemView(QQuickFlickablePrivate &dd, QQuickItem *parent = 0);
+ ~QQuickItemView();
+
+ QVariant model() const;
+ void setModel(const QVariant &);
+
+ QDeclarativeComponent *delegate() const;
+ void setDelegate(QDeclarativeComponent *);
+
+ int count() const;
+
+ int currentIndex() const;
+ void setCurrentIndex(int idx);
+
+ QQuickItem *currentItem() const;
+
+ bool isWrapEnabled() const;
+ void setWrapEnabled(bool);
+
+ int cacheBuffer() const;
+ void setCacheBuffer(int);
+
+ Qt::LayoutDirection layoutDirection() const;
+ void setLayoutDirection(Qt::LayoutDirection);
+ Qt::LayoutDirection effectiveLayoutDirection() const;
+
+ QDeclarativeComponent *footer() const;
+ void setFooter(QDeclarativeComponent *);
+ QQuickItem *footerItem() const;
+
+ QDeclarativeComponent *header() const;
+ void setHeader(QDeclarativeComponent *);
+ QQuickItem *headerItem() const;
+
+ QDeclarativeComponent *highlight() const;
+ void setHighlight(QDeclarativeComponent *);
+
+ QQuickItem *highlightItem() const;
+
+ bool highlightFollowsCurrentItem() const;
+ virtual void setHighlightFollowsCurrentItem(bool);
+
+ enum HighlightRangeMode { NoHighlightRange, ApplyRange, StrictlyEnforceRange };
+ HighlightRangeMode highlightRangeMode() const;
+ void setHighlightRangeMode(HighlightRangeMode mode);
+
+ qreal preferredHighlightBegin() const;
+ void setPreferredHighlightBegin(qreal);
+ void resetPreferredHighlightBegin();
+
+ qreal preferredHighlightEnd() const;
+ void setPreferredHighlightEnd(qreal);
+ void resetPreferredHighlightEnd();
+
+ int highlightMoveDuration() const;
+ virtual void setHighlightMoveDuration(int);
+
+ enum PositionMode { Beginning, Center, End, Visible, Contain };
+
+ Q_INVOKABLE void positionViewAtIndex(int index, int mode);
+ Q_INVOKABLE int indexAt(qreal x, qreal y) const;
+ Q_INVOKABLE void positionViewAtBeginning();
+ Q_INVOKABLE void positionViewAtEnd();
+
+ virtual void setContentX(qreal pos);
+ virtual void setContentY(qreal pos);
+ virtual qreal xOrigin() const;
+
+signals:
+ void modelChanged();
+ void delegateChanged();
+ void countChanged();
+ void currentIndexChanged();
+ void currentItemChanged();
+
+ void keyNavigationWrapsChanged();
+ void cacheBufferChanged();
+
+ void layoutDirectionChanged();
+ void effectiveLayoutDirectionChanged();
+
+ void headerChanged();
+ void footerChanged();
+ void headerItemChanged();
+ void footerItemChanged();
+
+ void highlightChanged();
+ void highlightItemChanged();
+ void highlightFollowsCurrentItemChanged();
+ void highlightRangeModeChanged();
+ void preferredHighlightBeginChanged();
+ void preferredHighlightEndChanged();
+ void highlightMoveDurationChanged();
+
+protected:
+ virtual void updatePolish();
+ virtual void componentComplete();
+ virtual void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
+ virtual qreal minYExtent() const;
+ virtual qreal maxYExtent() const;
+ virtual qreal minXExtent() const;
+ virtual qreal maxXExtent() const;
+
+protected slots:
+ virtual void updateSections() {}
+ void destroyRemoved();
+ void createdItem(int index, QQuickItem *item);
+ void initItem(int index, QQuickItem *item);
+ void modelUpdated(const QDeclarativeChangeSet &changeSet, bool reset);
+ void destroyingItem(QQuickItem *item);
+ void animStopped();
+ void trackedPositionChanged();
+
+
+
+private:
+ Q_DECLARE_PRIVATE(QQuickItemView)
+};
+
+
+class Q_AUTOTEST_EXPORT QQuickItemViewAttached : public QObject
+{
+ Q_OBJECT
+
+ Q_PROPERTY(bool isCurrentItem READ isCurrentItem NOTIFY currentItemChanged)
+ Q_PROPERTY(bool delayRemove READ delayRemove WRITE setDelayRemove NOTIFY delayRemoveChanged)
+
+ Q_PROPERTY(QString section READ section NOTIFY sectionChanged)
+ Q_PROPERTY(QString previousSection READ prevSection NOTIFY prevSectionChanged)
+ Q_PROPERTY(QString nextSection READ nextSection NOTIFY nextSectionChanged)
+
+public:
+ QQuickItemViewAttached(QObject *parent)
+ : QObject(parent), m_isCurrent(false), m_delayRemove(false) {}
+ ~QQuickItemViewAttached() {}
+
+ bool isCurrentItem() const { return m_isCurrent; }
+ void setIsCurrentItem(bool c) {
+ if (m_isCurrent != c) {
+ m_isCurrent = c;
+ emit currentItemChanged();
+ }
+ }
+
+ bool delayRemove() const { return m_delayRemove; }
+ void setDelayRemove(bool delay) {
+ if (m_delayRemove != delay) {
+ m_delayRemove = delay;
+ emit delayRemoveChanged();
+ }
+ }
+
+ QString section() const { return m_section; }
+ void setSection(const QString &sect) {
+ if (m_section != sect) {
+ m_section = sect;
+ emit sectionChanged();
+ }
+ }
+
+ QString prevSection() const { return m_prevSection; }
+ void setPrevSection(const QString &sect) {
+ if (m_prevSection != sect) {
+ m_prevSection = sect;
+ emit prevSectionChanged();
+ }
+ }
+
+ QString nextSection() const { return m_nextSection; }
+ void setNextSection(const QString &sect) {
+ if (m_nextSection != sect) {
+ m_nextSection = sect;
+ emit nextSectionChanged();
+ }
+ }
+
+ void emitAdd() { emit add(); }
+ void emitRemove() { emit remove(); }
+
+signals:
+ void currentItemChanged();
+ void delayRemoveChanged();
+
+ void add();
+ void remove();
+
+ void sectionChanged();
+ void prevSectionChanged();
+ void nextSectionChanged();
+
+public:
+ bool m_isCurrent : 1;
+ bool m_delayRemove : 1;
+
+ // current only used by list view
+ mutable QString m_section;
+ QString m_prevSection;
+ QString m_nextSection;
+};
+
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QQUICKITEMVIEW_P_H
+
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