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Diffstat (limited to 'src/declarative/items/qquickvisualitemmodel.cpp')
| -rw-r--r-- | src/declarative/items/qquickvisualitemmodel.cpp | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/src/declarative/items/qquickvisualitemmodel.cpp b/src/declarative/items/qquickvisualitemmodel.cpp deleted file mode 100644 index 78c4f8868b..0000000000 --- a/src/declarative/items/qquickvisualitemmodel.cpp +++ /dev/null @@ -1,235 +0,0 @@ -/**************************************************************************** -** -** 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. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickvisualitemmodel_p.h" -#include "qquickitem.h" - -#include <QtCore/qcoreapplication.h> -#include <QtDeclarative/qdeclarativecontext.h> -#include <QtDeclarative/qdeclarativeengine.h> - -#include <private/qdeclarativechangeset_p.h> -#include <private/qdeclarativeglobal_p.h> -#include <private/qobject_p.h> - -#include <QtCore/qhash.h> -#include <QtCore/qlist.h> - -QT_BEGIN_NAMESPACE - -QHash<QObject*, QQuickVisualItemModelAttached*> QQuickVisualItemModelAttached::attachedProperties; - - -class QQuickVisualItemModelPrivate : public QObjectPrivate -{ - Q_DECLARE_PUBLIC(QQuickVisualItemModel) -public: - QQuickVisualItemModelPrivate() : QObjectPrivate() {} - - static void children_append(QDeclarativeListProperty<QQuickItem> *prop, QQuickItem *item) { - QDeclarative_setParent_noEvent(item, prop->object); - static_cast<QQuickVisualItemModelPrivate *>(prop->data)->children.append(Item(item)); - static_cast<QQuickVisualItemModelPrivate *>(prop->data)->itemAppended(); - static_cast<QQuickVisualItemModelPrivate *>(prop->data)->emitChildrenChanged(); - } - - static int children_count(QDeclarativeListProperty<QQuickItem> *prop) { - return static_cast<QQuickVisualItemModelPrivate *>(prop->data)->children.count(); - } - - static QQuickItem *children_at(QDeclarativeListProperty<QQuickItem> *prop, int index) { - return static_cast<QQuickVisualItemModelPrivate *>(prop->data)->children.at(index).item; - } - - void itemAppended() { - Q_Q(QQuickVisualItemModel); - QQuickVisualItemModelAttached *attached = QQuickVisualItemModelAttached::properties(children.last().item); - attached->setIndex(children.count()-1); - QDeclarativeChangeSet changeSet; - changeSet.insert(children.count() - 1, 1); - emit q->modelUpdated(changeSet, false); - emit q->countChanged(); - } - - void emitChildrenChanged() { - Q_Q(QQuickVisualItemModel); - emit q->childrenChanged(); - } - - int indexOf(QQuickItem *item) const { - for (int i = 0; i < children.count(); ++i) - if (children.at(i).item == item) - return i; - return -1; - } - - class Item { - public: - Item(QQuickItem *i) : item(i), ref(0) {} - - void addRef() { ++ref; } - bool deref() { return --ref == 0; } - - QQuickItem *item; - int ref; - }; - - QList<Item> children; -}; - - -/*! - \qmlclass VisualItemModel QQuickVisualItemModel - \inqmlmodule QtQuick 2 - \ingroup qml-working-with-data - \brief The VisualItemModel allows items to be provided to a view. - - A VisualItemModel contains the visual items to be used in a view. - When a VisualItemModel is used in a view, the view does not require - a delegate since the VisualItemModel already contains the visual - delegate (items). - - An item can determine its index within the - model via the \l{VisualItemModel::index}{index} attached property. - - The example below places three colored rectangles in a ListView. - \code - import QtQuick 1.0 - - Rectangle { - VisualItemModel { - id: itemModel - Rectangle { height: 30; width: 80; color: "red" } - Rectangle { height: 30; width: 80; color: "green" } - Rectangle { height: 30; width: 80; color: "blue" } - } - - ListView { - anchors.fill: parent - model: itemModel - } - } - \endcode - - \image visualitemmodel.png - - \sa {declarative/modelviews/visualitemmodel}{VisualItemModel example} -*/ -QQuickVisualItemModel::QQuickVisualItemModel(QObject *parent) - : QQuickVisualModel(*(new QQuickVisualItemModelPrivate), parent) -{ -} - -/*! - \qmlattachedproperty int QtQuick2::VisualItemModel::index - This attached property holds the index of this delegate's item within the model. - - It is attached to each instance of the delegate. -*/ - -QDeclarativeListProperty<QQuickItem> QQuickVisualItemModel::children() -{ - Q_D(QQuickVisualItemModel); - return QDeclarativeListProperty<QQuickItem>(this, d, d->children_append, - d->children_count, d->children_at); -} - -/*! - \qmlproperty int QtQuick2::VisualItemModel::count - - The number of items in the model. This property is readonly. -*/ -int QQuickVisualItemModel::count() const -{ - Q_D(const QQuickVisualItemModel); - return d->children.count(); -} - -bool QQuickVisualItemModel::isValid() const -{ - return true; -} - -QQuickItem *QQuickVisualItemModel::item(int index, bool) -{ - Q_D(QQuickVisualItemModel); - QQuickVisualItemModelPrivate::Item &item = d->children[index]; - item.addRef(); - emit initItem(index, item.item); - emit createdItem(index, item.item); - return item.item; -} - -QQuickVisualModel::ReleaseFlags QQuickVisualItemModel::release(QQuickItem *item) -{ - Q_D(QQuickVisualItemModel); - int idx = d->indexOf(item); - if (idx >= 0) { - if (d->children[idx].deref()) { - // XXX todo - the original did item->scene()->removeItem(). Why? - item->setParentItem(0); - QDeclarative_setParent_noEvent(item, this); - } - } - return 0; -} - -QString QQuickVisualItemModel::stringValue(int index, const QString &name) -{ - Q_D(QQuickVisualItemModel); - if (index < 0 || index >= d->children.count()) - return QString(); - return QDeclarativeEngine::contextForObject(d->children.at(index).item)->contextProperty(name).toString(); -} - -int QQuickVisualItemModel::indexOf(QQuickItem *item, QObject *) const -{ - Q_D(const QQuickVisualItemModel); - return d->indexOf(item); -} - -QQuickVisualItemModelAttached *QQuickVisualItemModel::qmlAttachedProperties(QObject *obj) -{ - return QQuickVisualItemModelAttached::properties(obj); -} - -QT_END_NAMESPACE - |