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36 | |
37 | #ifndef QDECLARATIVESUPPORTEDCATEGORIESMODEL_H |
38 | #define QDECLARATIVESUPPORTEDCATEGORIESMODEL_H |
39 | |
40 | // |
41 | // W A R N I N G |
42 | // ------------- |
43 | // |
44 | // This file is not part of the Qt API. It exists purely as an |
45 | // implementation detail. This header file may change from version to |
46 | // version without notice, or even be removed. |
47 | // |
48 | // We mean it. |
49 | // |
50 | |
51 | #include <QtLocation/private/qlocationglobal_p.h> |
52 | #include <QtLocation/private/qdeclarativegeoserviceprovider_p.h> |
53 | |
54 | #include <QObject> |
55 | #include <QtCore/QStringList> |
56 | #include <QtCore/QSharedPointer> |
57 | #include <QAbstractListModel> |
58 | #include <QQmlListProperty> |
59 | #include <QtQml/QQmlParserStatus> |
60 | |
61 | #include <QtLocation/QPlaceCategory> |
62 | |
63 | #include <QtLocation/private/qdeclarativecategory_p.h> |
64 | |
65 | QT_BEGIN_NAMESPACE |
66 | |
67 | class QGeoServiceProvider; |
68 | class QPlaceManager; |
69 | class QPlaceReply; |
70 | |
71 | class PlaceCategoryNode |
72 | { |
73 | public: |
74 | QString parentId; |
75 | QStringList childIds; |
76 | QSharedPointer<QDeclarativeCategory> declCategory; |
77 | }; |
78 | |
79 | class Q_LOCATION_PRIVATE_EXPORT QDeclarativeSupportedCategoriesModel : public QAbstractItemModel, public QQmlParserStatus |
80 | { |
81 | Q_OBJECT |
82 | |
83 | Q_ENUMS(Status) |
84 | |
85 | Q_PROPERTY(QDeclarativeGeoServiceProvider *plugin READ plugin WRITE setPlugin NOTIFY pluginChanged) |
86 | Q_PROPERTY(bool hierarchical READ hierarchical WRITE setHierarchical NOTIFY hierarchicalChanged) |
87 | Q_PROPERTY(Status status READ status NOTIFY statusChanged) |
88 | |
89 | Q_INTERFACES(QQmlParserStatus) |
90 | Q_ENUMS(Roles) //The Roles enum is for internal usage only. |
91 | |
92 | public: |
93 | explicit QDeclarativeSupportedCategoriesModel(QObject *parent = 0); |
94 | virtual ~QDeclarativeSupportedCategoriesModel(); |
95 | |
96 | // From QQmlParserStatus |
97 | virtual void classBegin() {} |
98 | virtual void componentComplete(); |
99 | |
100 | // From QAbstractItemModel |
101 | int rowCount(const QModelIndex &parent) const; |
102 | int columnCount(const QModelIndex &parent) const; |
103 | |
104 | QModelIndex index(int row, int column, const QModelIndex &parent) const; |
105 | QModelIndex parent(const QModelIndex &child) const; |
106 | |
107 | Q_INVOKABLE QVariant data(const QModelIndex &index, int role) const; |
108 | QHash<int, QByteArray> roleNames() const; |
109 | |
110 | enum Roles { |
111 | CategoryRole = Qt::UserRole, |
112 | ParentCategoryRole |
113 | }; //for internal usage only |
114 | |
115 | enum Status {Null, Ready, Loading, Error}; |
116 | |
117 | void setPlugin(QDeclarativeGeoServiceProvider *plugin); |
118 | QDeclarativeGeoServiceProvider *plugin() const; |
119 | |
120 | void setHierarchical(bool hierarchical); |
121 | bool hierarchical() const; |
122 | |
123 | Q_INVOKABLE QString errorString() const; |
124 | |
125 | Status status() const; |
126 | void setStatus(Status status, const QString &errorString = QString()); |
127 | |
128 | using QAbstractItemModel::dataChanged; |
129 | Q_SIGNALS: |
130 | void pluginChanged(); |
131 | void hierarchicalChanged(); |
132 | void statusChanged(); |
133 | void dataChanged(); |
134 | |
135 | public Q_SLOTS: |
136 | void update(); |
137 | |
138 | private Q_SLOTS: |
139 | void replyFinished(); |
140 | void addedCategory(const QPlaceCategory &category, const QString &parentId); |
141 | void updatedCategory(const QPlaceCategory &category, const QString &parentId); |
142 | void removedCategory(const QString &categoryId, const QString &parentId); |
143 | void connectNotificationSignals(); |
144 | |
145 | private: |
146 | QStringList populateCategories(QPlaceManager *, const QPlaceCategory &parent); |
147 | QModelIndex index(const QString &categoryId) const; |
148 | int rowToAddChild(PlaceCategoryNode *, const QPlaceCategory &category); |
149 | void updateLayout(); |
150 | |
151 | QPlaceReply *m_response; |
152 | |
153 | QDeclarativeGeoServiceProvider *m_plugin; |
154 | bool m_hierarchical; |
155 | bool m_complete; |
156 | Status m_status; |
157 | QString m_errorString; |
158 | |
159 | QHash<QString, PlaceCategoryNode *> m_categoriesTree; |
160 | }; |
161 | |
162 | QT_END_NAMESPACE |
163 | |
164 | QML_DECLARE_TYPE(QDeclarativeSupportedCategoriesModel) |
165 | |
166 | #endif // QDECLARATIVESUPPORTEDCATEGORIESMODEL_H |
167 | |