1 // Commit: ac5c099cc3c5b8c7eec7a49fdeb8a21037230350
2 /****************************************************************************
4 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
5 ** All rights reserved.
6 ** Contact: Nokia Corporation (qt-info@nokia.com)
8 ** This file is part of the QtDeclarative module of the Qt Toolkit.
10 ** $QT_BEGIN_LICENSE:LGPL$
11 ** GNU Lesser General Public License Usage
12 ** This file may be used under the terms of the GNU Lesser General Public
13 ** License version 2.1 as published by the Free Software Foundation and
14 ** appearing in the file LICENSE.LGPL included in the packaging of this
15 ** file. Please review the following information to ensure the GNU Lesser
16 ** General Public License version 2.1 requirements will be met:
17 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
19 ** In addition, as a special exception, Nokia gives you certain additional
20 ** rights. These rights are described in the Nokia Qt LGPL Exception
21 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
23 ** GNU General Public License Usage
24 ** Alternatively, this file may be used under the terms of the GNU General
25 ** Public License version 3.0 as published by the Free Software Foundation
26 ** and appearing in the file LICENSE.GPL included in the packaging of this
27 ** file. Please review the following information to ensure the GNU General
28 ** Public License version 3.0 requirements will be met:
29 ** http://www.gnu.org/copyleft/gpl.html.
32 ** Alternatively, this file may be used in accordance with the terms and
33 ** conditions contained in a signed written agreement between you and Nokia.
41 ****************************************************************************/
43 #ifndef QQUICKVISUALDATAMODEL_P_H
44 #define QQUICKVISUALDATAMODEL_P_H
46 #include <private/qdeclarativelistcompositor_p.h>
47 #include <private/qquickvisualitemmodel_p.h>
50 #include <QtCore/qabstractitemmodel.h>
51 #include <QtCore/qstringlist.h>
53 #include <private/qv8engine_p.h>
57 Q_DECLARE_METATYPE(QModelIndex)
61 QT_MODULE(Declarative)
64 class QDeclarativeChangeSet;
65 class QDeclarativeComponent;
66 class QDeclarativePackage;
67 class QDeclarativeV8Function;
68 class QQuickVisualDataGroup;
69 class QQuickVisualDataModelAttached;
70 class QQuickVisualDataModelPrivate;
73 class Q_DECLARATIVE_EXPORT QQuickVisualDataModel : public QQuickVisualModel, public QDeclarativeParserStatus
76 Q_DECLARE_PRIVATE(QQuickVisualDataModel)
78 Q_PROPERTY(QVariant model READ model WRITE setModel)
79 Q_PROPERTY(QDeclarativeComponent *delegate READ delegate WRITE setDelegate)
80 Q_PROPERTY(QString filterOnGroup READ filterGroup WRITE setFilterGroup NOTIFY filterGroupChanged RESET resetFilterGroup)
81 Q_PROPERTY(QQuickVisualDataGroup *items READ items CONSTANT)
82 Q_PROPERTY(QQuickVisualDataGroup *persistedItems READ persistedItems CONSTANT)
83 Q_PROPERTY(QDeclarativeListProperty<QQuickVisualDataGroup> groups READ groups CONSTANT)
84 Q_PROPERTY(QObject *parts READ parts CONSTANT)
85 Q_PROPERTY(QVariant rootIndex READ rootIndex WRITE setRootIndex NOTIFY rootIndexChanged)
86 Q_CLASSINFO("DefaultProperty", "delegate")
87 Q_INTERFACES(QDeclarativeParserStatus)
89 QQuickVisualDataModel();
90 QQuickVisualDataModel(QDeclarativeContext *, QObject *parent=0);
91 virtual ~QQuickVisualDataModel();
94 void componentComplete();
96 QVariant model() const;
97 void setModel(const QVariant &);
99 QDeclarativeComponent *delegate() const;
100 void setDelegate(QDeclarativeComponent *);
102 QVariant rootIndex() const;
103 void setRootIndex(const QVariant &root);
105 Q_INVOKABLE QVariant modelIndex(int idx) const;
106 Q_INVOKABLE QVariant parentModelIndex() const;
109 bool isValid() const { return delegate() != 0; }
110 QQuickItem *item(int index, bool complete=true);
111 ReleaseFlags release(QQuickItem *item);
112 bool completePending() const;
114 virtual QString stringValue(int index, const QString &role);
115 virtual void setWatchedRoles(QList<QByteArray> roles);
117 int indexOf(QQuickItem *item, QObject *objectContext) const;
119 QString filterGroup() const;
120 void setFilterGroup(const QString &group);
121 void resetFilterGroup();
123 QQuickVisualDataGroup *items();
124 QQuickVisualDataGroup *persistedItems();
125 QDeclarativeListProperty<QQuickVisualDataGroup> groups();
128 bool event(QEvent *);
130 static QQuickVisualDataModelAttached *qmlAttachedProperties(QObject *obj);
133 void filterGroupChanged();
134 void defaultGroupsChanged();
135 void rootIndexChanged();
138 void _q_itemsChanged(int index, int count);
139 void _q_itemsInserted(int index, int count);
140 void _q_itemsRemoved(int index, int count);
141 void _q_itemsMoved(int from, int to, int count);
142 void _q_modelReset(int oldCount, int newCount);
144 Q_DISABLE_COPY(QQuickVisualDataModel)
147 class QQuickVisualDataGroupPrivate;
148 class Q_AUTOTEST_EXPORT QQuickVisualDataGroup : public QObject
151 Q_PROPERTY(int count READ count NOTIFY countChanged)
152 Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged)
153 Q_PROPERTY(bool includeByDefault READ defaultInclude WRITE setDefaultInclude NOTIFY defaultIncludeChanged)
155 QQuickVisualDataGroup(QObject *parent = 0);
156 QQuickVisualDataGroup(const QString &name, QQuickVisualDataModel *model, int compositorType, QObject *parent = 0);
157 ~QQuickVisualDataGroup();
159 QString name() const;
160 void setName(const QString &name);
164 bool defaultInclude() const;
165 void setDefaultInclude(bool include);
167 Q_INVOKABLE QDeclarativeV8Handle get(int index);
168 Q_INVOKABLE QObject *create(int index);
171 void remove(QDeclarativeV8Function *);
172 void addGroups(QDeclarativeV8Function *);
173 void removeGroups(QDeclarativeV8Function *);
174 void setGroups(QDeclarativeV8Function *);
175 void move(QDeclarativeV8Function *);
180 void defaultIncludeChanged();
181 void changed(const QDeclarativeV8Handle &removed, const QDeclarativeV8Handle &inserted);
183 Q_DECLARE_PRIVATE(QQuickVisualDataGroup)
186 class QQuickVisualDataModelCacheItem;
187 class QQuickVisualDataModelAttachedMetaObject;
188 class QQuickVisualDataModelAttached : public QObject
191 Q_PROPERTY(QQuickVisualDataModel *model READ model NOTIFY modelChanged)
192 Q_PROPERTY(QStringList groups READ groups WRITE setGroups NOTIFY groupsChanged)
194 QQuickVisualDataModelAttached(QObject *parent)
197 , m_previousGroups(0)
198 , m_modelChanged(false)
200 ~QQuickVisualDataModelAttached() { attachedProperties.remove(parent()); }
202 QQuickVisualDataModel *model() const;
204 QStringList groups() const;
205 void setGroups(const QStringList &groups);
209 static QQuickVisualDataModelAttached *properties(QObject *obj)
211 QQuickVisualDataModelAttached *rv = attachedProperties.value(obj);
213 rv = new QQuickVisualDataModelAttached(obj);
214 attachedProperties.insert(obj, rv);
221 void groupsChanged();
224 QQuickVisualDataModelCacheItem *m_cacheItem;
225 int m_previousGroups;
226 int m_previousIndex[QDeclarativeListCompositor::MaximumGroupCount];
229 static QHash<QObject*, QQuickVisualDataModelAttached*> attachedProperties;
231 friend class QQuickVisualDataModelAttachedMetaObject;
236 QML_DECLARE_TYPE(QQuickVisualDataModel)
237 QML_DECLARE_TYPEINFO(QQuickVisualDataModel, QML_HAS_ATTACHED_PROPERTIES)
238 QML_DECLARE_TYPE(QQuickVisualDataGroup)
242 #endif // QQUICKVISUALDATAMODEL_P_H