1/****************************************************************************
2**
3** Copyright (C) 2020 Paolo Angelelli <paolo.angelelli@gmail.com>
4** Copyright (C) 2020 The Qt Company Ltd.
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7** This file is part of the examples of the Qt Toolkit.
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50****************************************************************************/
51
52import QtQuick 2.12
53import QtPositioning 5.12
54import Qt.labs.location 1.0
55import Qt.labs.qmlmodels 1.0
56
57DelegateChooser {
58    id: dc
59    role: "type"
60    property color defaultColor: "grey"
61
62    DelegateChoice {
63        roleValue: "Point"
64        delegate: MapCircleObject {
65            property string geojsonType: "Point"
66            property var props: modelData.properties
67            geoShape: modelData.data
68            radius: 20*1000
69            border.width: 3
70            /* The expression below is equivalent to:
71               ((props !== undefined && props["color"] !== undefined) ? props["color"] :
72               ((parent && parent.props !== undefined && parent.props["color"] !== undefined) ? parent.props["color"] : dc.defaultColor))
73            */
74            color: (props && props.color) || (parent && parent.props && parent.props.color) || dc.defaultColor
75        }
76    }
77
78    DelegateChoice {
79        roleValue: "LineString"
80        delegate: MapPolylineObject {
81            property string geojsonType: "LineString"
82            property var props: modelData.properties
83            geoShape: modelData.data
84            line.width: 4
85            line.color: (props && props.color) || (parent && parent.props && parent.props.color) || dc.defaultColor
86        }
87    }
88
89    DelegateChoice {
90        roleValue: "Polygon"
91        delegate: MapPolygonObject {
92            property string geojsonType: "Polygon"
93            property var props: modelData.properties
94            geoShape: modelData.data
95            color: (props && props.color) || (parent && parent.props && parent.props.color) || dc.defaultColor
96            border.width: 4
97            border.color: 'black'
98        }
99    }
100
101    DelegateChoice {
102        roleValue: "MultiPoint"
103        delegate: MapObjectView {
104            property string geojsonType: "MultiPoint"
105            property var props: modelData.properties
106            model: modelData.data
107            delegate: dc
108        }
109    }
110
111    DelegateChoice {
112        roleValue: "MultiLineString"
113        delegate: MapObjectView {
114            property string geojsonType: "MultiLineString"
115            property var props: modelData.properties
116            model: modelData.data
117            delegate: dc
118        }
119    }
120
121    DelegateChoice {
122        roleValue: "MultiPolygon"
123        delegate: MapObjectView {
124            property string geojsonType: "MultiPolygon"
125            property var props: modelData.properties
126            model: modelData.data
127            delegate: dc
128        }
129    }
130
131    DelegateChoice {
132        roleValue: "GeometryCollection"
133        delegate: MapObjectView {
134            property string geojsonType: "GeometryCollection"
135            property var props: modelData.properties
136            model: modelData.data
137            delegate: dc
138        }
139    }
140
141    // Features are explicitly not generated by the parser, but converted straight to their content + the properties.
142
143    DelegateChoice {
144        roleValue: "FeatureCollection"
145        delegate: MapObjectView {
146            property string geojsonType: "FeatureCollection"
147            property var props: modelData.properties
148            model: modelData.data
149            delegate: dc
150        }
151    }
152}
153