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41
42#ifndef QGALLERYQUERYREQUEST_H
43#define QGALLERYQUERYREQUEST_H
44
45#include <qgalleryabstractrequest.h>
46#include <qgalleryproperty.h>
47#include <qgalleryresource.h>
48#include <QtCore/qurl.h>
49
50QT_BEGIN_NAMESPACE_DOCGALLERY
51
52class QGalleryFilter;
53class QGalleryResultSet;
54
55class QGalleryQueryRequestPrivate;
56
57class Q_GALLERY_EXPORT QGalleryQueryRequest : public QGalleryAbstractRequest
58{
59 Q_OBJECT
60
61 Q_ENUMS(Scope)
62
63 Q_PROPERTY(QStringList propertyNames READ propertyNames WRITE setPropertyNames NOTIFY propertyNamesChanged)
64 Q_PROPERTY(QStringList sortPropertyNames READ sortPropertyNames WRITE setSortPropertyNames NOTIFY sortPropertyNamesChanged)
65 Q_PROPERTY(bool autoUpdate READ autoUpdate WRITE setAutoUpdate NOTIFY autoUpdateChanged)
66 Q_PROPERTY(int offset READ offset WRITE setOffset NOTIFY offsetChanged)
67 Q_PROPERTY(int limit READ limit WRITE setLimit NOTIFY limitChanged)
68 Q_PROPERTY(QString rootType READ rootType WRITE setRootType NOTIFY rootTypeChanged)
69 Q_PROPERTY(QVariant rootItem READ rootItem WRITE setRootItem NOTIFY rootItemChanged)
70 Q_PROPERTY(QGalleryQueryRequest::Scope scope READ scope WRITE setScope NOTIFY scopeChanged)
71 Q_PROPERTY(QGalleryFilter filter READ filter WRITE setFilter NOTIFY filterChanged)
72 Q_PROPERTY(bool valid READ isValid NOTIFY currentItemChanged)
73 Q_PROPERTY(QVariant itemId READ itemId NOTIFY currentItemChanged)
74 Q_PROPERTY(QString itemType READ itemType NOTIFY currentItemChanged)
75 Q_PROPERTY(QUrl itemUrl READ itemUrl NOTIFY currentItemChanged)
76 Q_PROPERTY(QList<QGalleryResource> resources READ resources NOTIFY currentItemChanged)
77 Q_PROPERTY(int currentIndex READ currentIndex WRITE seek NOTIFY currentItemChanged)
78
79public:
80 enum Scope {
81 AllDescendants,
82 DirectDescendants
83 };
84
85 explicit QGalleryQueryRequest(QObject *parent = Q_NULLPTR);
86 explicit QGalleryQueryRequest(QAbstractGallery *gallery, QObject *parent = Q_NULLPTR);
87 ~QGalleryQueryRequest();
88
89 QStringList propertyNames() const;
90 void setPropertyNames(const QStringList &names);
91
92 QStringList sortPropertyNames() const;
93 void setSortPropertyNames(const QStringList &names);
94
95 bool autoUpdate() const;
96 void setAutoUpdate(bool enabled);
97
98 int offset() const;
99 void setOffset(int offset);
100
101 int limit() const;
102 void setLimit(int limit);
103
104 QString rootType() const;
105 void setRootType(const QString &itemType);
106
107 QVariant rootItem() const;
108 void setRootItem(const QVariant &itemId);
109
110 QGalleryQueryRequest::Scope scope() const;
111 void setScope(QGalleryQueryRequest::Scope scope);
112
113 QGalleryFilter filter() const;
114 void setFilter(const QGalleryFilter &filter);
115
116 QGalleryResultSet *resultSet() const;
117
118 int propertyKey(const QString &property) const;
119 QGalleryProperty::Attributes propertyAttributes(int key) const;
120 QVariant::Type propertyType(int key) const;
121
122 int itemCount() const;
123
124 bool isValid() const;
125
126 QVariant itemId() const;
127 QUrl itemUrl() const;
128 QString itemType() const;
129 QList<QGalleryResource> resources() const;
130
131 QVariant metaData(int key) const;
132 bool setMetaData(int key, const QVariant &value);
133
134 QVariant metaData(const QString &property) const;
135 bool setMetaData(const QString &property, const QVariant &value);
136
137 int currentIndex() const;
138 bool seek(int index, bool relative = false);
139 bool next();
140 bool previous();
141 bool first();
142 bool last();
143
144Q_SIGNALS:
145 void propertyNamesChanged();
146 void sortPropertyNamesChanged();
147 void autoUpdateChanged();
148 void offsetChanged();
149 void limitChanged();
150 void rootTypeChanged();
151 void rootItemChanged();
152 void scopeChanged();
153 void filterChanged();
154 void resultSetChanged(QGalleryResultSet *resultSet);
155 void currentItemChanged();
156
157protected:
158 void setResponse(QGalleryAbstractResponse *response);
159
160private:
161 Q_DECLARE_PRIVATE(QGalleryQueryRequest)
162};
163
164QT_END_NAMESPACE_DOCGALLERY
165
166#endif
167

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source code of qtdocgallery/src/gallery/qgalleryqueryrequest.h