1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QDECLARATIVESUPPORTEDCATEGORIESMODEL_H
#define QDECLARATIVESUPPORTEDCATEGORIESMODEL_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtLocation/private/qlocationglobal_p.h>
#include <QtLocation/private/qdeclarativegeoserviceprovider_p.h>
#include <QObject>
#include <QtCore/QStringList>
#include <QtCore/QSharedPointer>
#include <QAbstractListModel>
#include <QQmlListProperty>
#include <QtQml/QQmlParserStatus>
#include <QtLocation/QPlaceCategory>
#include <QtLocation/private/qdeclarativecategory_p.h>
QT_BEGIN_NAMESPACE
class QGeoServiceProvider;
class QPlaceManager;
class QPlaceReply;
class Q_LOCATION_EXPORT QDeclarativeSupportedCategoriesModel : public QAbstractItemModel, public QQmlParserStatus
{
Q_OBJECT
QML_NAMED_ELEMENT(CategoryModel)
QML_ADDED_IN_VERSION(5, 0)
Q_ENUMS(Status)
Q_PROPERTY(QDeclarativeGeoServiceProvider *plugin READ plugin WRITE setPlugin NOTIFY pluginChanged)
Q_PROPERTY(bool hierarchical READ hierarchical WRITE setHierarchical NOTIFY hierarchicalChanged)
Q_PROPERTY(Status status READ status NOTIFY statusChanged)
Q_INTERFACES(QQmlParserStatus)
Q_ENUMS(Roles) //The Roles enum is for internal usage only.
public:
explicit QDeclarativeSupportedCategoriesModel(QObject *parent = nullptr);
virtual ~QDeclarativeSupportedCategoriesModel();
// From QQmlParserStatus
void classBegin() override {}
void componentComplete() override;
// From QAbstractItemModel
int rowCount(const QModelIndex &parent) const override;
int columnCount(const QModelIndex &parent) const override;
QModelIndex index(int row, int column, const QModelIndex &parent) const override;
QModelIndex parent(const QModelIndex &child) const override;
Q_INVOKABLE QVariant data(const QModelIndex &index, int role) const override;
QHash<int, QByteArray> roleNames() const override;
enum Roles {
CategoryRole = Qt::UserRole,
ParentCategoryRole
}; //for internal usage only
enum Status {Null, Ready, Loading, Error};
void setPlugin(QDeclarativeGeoServiceProvider *plugin);
QDeclarativeGeoServiceProvider *plugin() const;
void setHierarchical(bool hierarchical);
bool hierarchical() const;
Q_INVOKABLE QString errorString() const;
Status status() const;
void setStatus(Status status, const QString &errorString = QString());
using QAbstractItemModel::dataChanged;
Q_SIGNALS:
void pluginChanged();
void hierarchicalChanged();
void statusChanged();
void dataChanged();
public Q_SLOTS:
void update();
private Q_SLOTS:
void replyFinished();
void addedCategory(const QPlaceCategory &category, const QString &parentId);
void updatedCategory(const QPlaceCategory &category, const QString &parentId);
void removedCategory(const QString &categoryId, const QString &parentId);
void connectNotificationSignals();
private:
struct PlaceCategoryNode
{
QString parentId;
QStringList childIds;
QSharedPointer<QDeclarativeCategory> declCategory;
};
QStringList populateCategories(QPlaceManager *, const QPlaceCategory &parent);
QModelIndex index(const QString &categoryId) const;
int rowToAddChild(PlaceCategoryNode *, const QPlaceCategory &category);
void updateLayout();
void emitDataChanged() { Q_EMIT dataChanged(); }
QPlaceReply *m_response = nullptr;
QDeclarativeGeoServiceProvider *m_plugin = nullptr;
bool m_hierarchical = true;
bool m_complete = false;
Status m_status = Null;
QString m_errorString;
QHash<QString, PlaceCategoryNode *> m_categoriesTree;
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QDeclarativeSupportedCategoriesModel)
#endif // QDECLARATIVESUPPORTEDCATEGORIESMODEL_H
|
