summaryrefslogtreecommitdiff
path: root/examples/location/mapviewer/map/MapComponent.qml
blob: 570505a0f4c979529523f3bda6f8445089973077 (plain)
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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.5
import QtQuick.Controls 1.4
import QtLocation 5.9
import QtPositioning 5.5
import "../helper.js" as Helper

//! [top]
Map {
    id: map
//! [top]
    property variant markers
    property variant mapItems
    property int markerCounter: 0 // counter for total amount of markers. Resets to 0 when number of markers = 0
    property int currentMarker
    property int lastX : -1
    property int lastY : -1
    property int pressX : -1
    property int pressY : -1
    property int jitterThreshold : 30
    property bool followme: false
    property variant scaleLengths: [5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000, 200000, 500000, 1000000, 2000000]
    property alias routeQuery: routeQuery
    property alias routeModel: routeModel
    property alias geocodeModel: geocodeModel
    property alias slidersExpanded: sliders.expanded

    signal showGeocodeInfo()
    signal geocodeFinished()
    signal routeError()
    signal coordinatesCaptured(double latitude, double longitude)
    signal showMainMenu(variant coordinate)
    signal showMarkerMenu(variant coordinate)
    signal showRouteMenu(variant coordinate)
    signal showPointMenu(variant coordinate)
    signal showRouteList()

    function geocodeMessage()
    {
        var street, district, city, county, state, countryCode, country, postalCode, latitude, longitude, text
        latitude = Math.round(geocodeModel.get(0).coordinate.latitude * 10000) / 10000
        longitude =Math.round(geocodeModel.get(0).coordinate.longitude * 10000) / 10000
        street = geocodeModel.get(0).address.street
        district = geocodeModel.get(0).address.district
        city = geocodeModel.get(0).address.city
        county = geocodeModel.get(0).address.county
        state = geocodeModel.get(0).address.state
        countryCode = geocodeModel.get(0).address.countryCode
        country = geocodeModel.get(0).address.country
        postalCode = geocodeModel.get(0).address.postalCode

        text = "<b>Latitude:</b> " + latitude + "<br/>"
        text +="<b>Longitude:</b> " + longitude + "<br/>" + "<br/>"
        if (street) text +="<b>Street: </b>"+ street + " <br/>"
        if (district) text +="<b>District: </b>"+ district +" <br/>"
        if (city) text +="<b>City: </b>"+ city + " <br/>"
        if (county) text +="<b>County: </b>"+ county + " <br/>"
        if (state) text +="<b>State: </b>"+ state + " <br/>"
        if (countryCode) text +="<b>Country code: </b>"+ countryCode + " <br/>"
        if (country) text +="<b>Country: </b>"+ country + " <br/>"
        if (postalCode) text +="<b>PostalCode: </b>"+ postalCode + " <br/>"
        return text
    }

    function calculateScale()
    {
        var coord1, coord2, dist, text, f
        f = 0
        coord1 = map.toCoordinate(Qt.point(0,scale.y))
        coord2 = map.toCoordinate(Qt.point(0+scaleImage.sourceSize.width,scale.y))
        dist = Math.round(coord1.distanceTo(coord2))

        if (dist === 0) {
            // not visible
        } else {
            for (var i = 0; i < scaleLengths.length-1; i++) {
                if (dist < (scaleLengths[i] + scaleLengths[i+1]) / 2 ) {
                    f = scaleLengths[i] / dist
                    dist = scaleLengths[i]
                    break;
                }
            }
            if (f === 0) {
                f = dist / scaleLengths[i]
                dist = scaleLengths[i]
            }
        }

        text = Helper.formatDistance(dist)
        scaleImage.width = (scaleImage.sourceSize.width * f) - 2 * scaleImageLeft.sourceSize.width
        scaleText.text = text
    }

    function deleteMarkers()
    {
        var count = map.markers.length
        for (var i = 0; i<count; i++){
            map.removeMapItem(map.markers[i])
            map.markers[i].destroy()
        }
        map.markers = []
        markerCounter = 0
    }

    function deleteMapItems()
    {
        var count = map.mapItems.length
        for (var i = 0; i<count; i++){
            map.removeMapItem(map.mapItems[i])
            map.mapItems[i].destroy()
        }
        map.mapItems = []
    }

    function addMarker()
    {
        var count = map.markers.length
        markerCounter++
        var marker = Qt.createQmlObject ('Marker {}', map)
        map.addMapItem(marker)
        marker.z = map.z+1
        marker.coordinate = mouseArea.lastCoordinate

        //update list of markers
        var myArray = new Array()
        for (var i = 0; i<count; i++){
            myArray.push(markers[i])
        }
        myArray.push(marker)
        markers = myArray
    }

    function addGeoItem(item)
    {
        var count = map.mapItems.length
        var co = Qt.createComponent(item+'.qml')
        if (co.status == Component.Ready) {
            var o = co.createObject(map)
            o.setGeometry(map.markers, currentMarker)
            map.addMapItem(o)
            //update list of items
            var myArray = new Array()
            for (var i = 0; i<count; i++){
                myArray.push(mapItems[i])
            }
            myArray.push(o)
            mapItems = myArray

        } else {
            console.log(item + " is not supported right now, please call us later.")
        }
    }

    function deleteMarker(index)
    {
        //update list of markers
        var myArray = new Array()
        var count = map.markers.length
        for (var i = 0; i<count; i++){
            if (index != i) myArray.push(map.markers[i])
        }

        map.removeMapItem(map.markers[index])
        map.markers[index].destroy()
        map.markers = myArray
        if (markers.length == 0) markerCounter = 0
    }

    function calculateMarkerRoute()
    {
        routeQuery.clearWaypoints();
        for (var i = currentMarker; i< map.markers.length; i++){
            routeQuery.addWaypoint(markers[i].coordinate)
        }
        routeQuery.travelModes = RouteQuery.CarTravel
        routeQuery.routeOptimizations = RouteQuery.ShortestRoute
        routeQuery.setFeatureWeight(0, 0)
        routeModel.update();
    }

    function calculateCoordinateRoute(startCoordinate, endCoordinate)
    {
        //! [routerequest0]
        // clear away any old data in the query
        routeQuery.clearWaypoints();

        // add the start and end coords as waypoints on the route
        routeQuery.addWaypoint(startCoordinate)
        routeQuery.addWaypoint(endCoordinate)
        routeQuery.travelModes = RouteQuery.CarTravel
        routeQuery.routeOptimizations = RouteQuery.FastestRoute

        //! [routerequest0]

        //! [routerequest0 feature weight]
        for (var i=0; i<9; i++) {
            routeQuery.setFeatureWeight(i, 0)
        }
        //for (var i=0; i<routeDialog.features.length; i++) {
        //    map.routeQuery.setFeatureWeight(routeDialog.features[i], RouteQuery.AvoidFeatureWeight)
        //}
        //! [routerequest0 feature weight]

        //! [routerequest1]
        routeModel.update();

        //! [routerequest1]
        //! [routerequest2]
        // center the map on the start coord
        map.center = startCoordinate;
        //! [routerequest2]
    }

    function geocode(fromAddress)
    {
        //! [geocode1]
        // send the geocode request
        geocodeModel.query = fromAddress
        geocodeModel.update()
        //! [geocode1]
    }


//! [coord]
    zoomLevel: (maximumZoomLevel - minimumZoomLevel)/2
    center {
        // The Qt Company in Oslo
        latitude: 59.9485
        longitude: 10.7686
    }
//! [coord]

//! [mapnavigation]
    // Enable pan, flick, and pinch gestures to zoom in and out
    gesture.acceptedGestures: MapGestureArea.PanGesture | MapGestureArea.FlickGesture | MapGestureArea.PinchGesture | MapGestureArea.RotationGesture | MapGestureArea.TiltGesture
    gesture.flickDeceleration: 3000
    gesture.enabled: true
//! [mapnavigation]
    focus: true
    onCopyrightLinkActivated: Qt.openUrlExternally(link)

    onCenterChanged:{
        scaleTimer.restart()
        if (map.followme)
            if (map.center != positionSource.position.coordinate) map.followme = false
    }

    onZoomLevelChanged:{
        scaleTimer.restart()
        if (map.followme) map.center = positionSource.position.coordinate
    }

    onWidthChanged:{
        scaleTimer.restart()
    }

    onHeightChanged:{
        scaleTimer.restart()
    }

    Component.onCompleted: {
        markers = new Array();
        mapItems = new Array();
    }

    Keys.onPressed: {
        if (event.key === Qt.Key_Plus) {
            map.zoomLevel++;
        } else if (event.key === Qt.Key_Minus) {
            map.zoomLevel--;
        } else if (event.key === Qt.Key_Left || event.key === Qt.Key_Right ||
                   event.key === Qt.Key_Up   || event.key === Qt.Key_Down) {
            var dx = 0;
            var dy = 0;

            switch (event.key) {

            case Qt.Key_Left: dx = map.width / 4; break;
            case Qt.Key_Right: dx = -map.width / 4; break;
            case Qt.Key_Up: dy = map.height / 4; break;
            case Qt.Key_Down: dy = -map.height / 4; break;

            }

            var mapCenterPoint = Qt.point(map.width / 2.0 - dx, map.height / 2.0 - dy);
            map.center = map.toCoordinate(mapCenterPoint);
        }
    }

    /* @todo
    Binding {
        target: map
        property: 'center'
        value: positionSource.position.coordinate
        when: followme
    }*/

    PositionSource{
        id: positionSource
        active: followme

        onPositionChanged: {
            map.center = positionSource.position.coordinate
        }
    }

    MapQuickItem {
        id: poiTheQtComapny
        sourceItem: Rectangle { width: 14; height: 14; color: "#e41e25"; border.width: 2; border.color: "white"; smooth: true; radius: 7 }
        coordinate {
            latitude: 59.9485
            longitude: 10.7686
        }
        opacity: 1.0
        anchorPoint: Qt.point(sourceItem.width/2, sourceItem.height/2)
    }

    MapQuickItem {
        sourceItem: Text{
            text: "The Qt Company"
            color:"#242424"
            font.bold: true
            styleColor: "#ECECEC"
            style: Text.Outline
        }
        coordinate: poiTheQtComapny.coordinate
        anchorPoint: Qt.point(-poiTheQtComapny.sourceItem.width * 0.5,poiTheQtComapny.sourceItem.height * 1.5)
    }

    MapSliders {
        id: sliders
        z: map.z + 3
        mapSource: map
        edge: Qt.LeftEdge
    }

    Item {
        id: scale
        z: map.z + 3
        visible: scaleText.text != "0 m"
        anchors.bottom: parent.bottom;
        anchors.right: parent.right
        anchors.margins: 20
        height: scaleText.height * 2
        width: scaleImage.width

        Image {
            id: scaleImageLeft
            source: "../resources/scale_end.png"
            anchors.bottom: parent.bottom
            anchors.right: scaleImage.left
        }
        Image {
            id: scaleImage
            source: "../resources/scale.png"
            anchors.bottom: parent.bottom
            anchors.right: scaleImageRight.left
        }
        Image {
            id: scaleImageRight
            source: "../resources/scale_end.png"
            anchors.bottom: parent.bottom
            anchors.right: parent.right
        }
        Label {
            id: scaleText
            color: "#004EAE"
            anchors.centerIn: parent
            text: "0 m"
        }
        Component.onCompleted: {
            map.calculateScale();
        }
    }

    //! [routemodel0]
    RouteModel {
        id: routeModel
        plugin : map.plugin
        query:  RouteQuery {
            id: routeQuery
        }
        onStatusChanged: {
            if (status == RouteModel.Ready) {
                switch (count) {
                case 0:
                    // technically not an error
                    map.routeError()
                    break
                case 1:
                    map.showRouteList()
                    break
                }
            } else if (status == RouteModel.Error) {
                map.routeError()
            }
        }
    }
    //! [routemodel0]

    //! [routedelegate0]
    Component {
        id: routeDelegate

        MapRoute {
            id: route
            route: routeData
            line.color: "#46a2da"
            line.width: 5
            smooth: true
            opacity: 0.8
     //! [routedelegate0]
            MouseArea {
                id: routeMouseArea
                anchors.fill: parent
                hoverEnabled: false
                property variant lastCoordinate

                onPressed : {
                    map.lastX = mouse.x + parent.x
                    map.lastY = mouse.y + parent.y
                    map.pressX = mouse.x + parent.x
                    map.pressY = mouse.y + parent.y
                    lastCoordinate = map.toCoordinate(Qt.point(mouse.x, mouse.y))
                }

                onPositionChanged: {
                    if (mouse.button == Qt.LeftButton) {
                        map.lastX = mouse.x + parent.x
                        map.lastY = mouse.y + parent.y
                    }
                }

                onPressAndHold:{
                    if (Math.abs(map.pressX - parent.x- mouse.x ) < map.jitterThreshold
                            && Math.abs(map.pressY - parent.y - mouse.y ) < map.jitterThreshold) {
                        showRouteMenu(lastCoordinate);
                    }
                }

            }
    //! [routedelegate1]
        }
    }
    //! [routedelegate1]

    //! [geocodemodel0]
    GeocodeModel {
        id: geocodeModel
        plugin: map.plugin
        onStatusChanged: {
            if ((status == GeocodeModel.Ready) || (status == GeocodeModel.Error))
                map.geocodeFinished()
        }
        onLocationsChanged:
        {
            if (count == 1) {
                map.center.latitude = get(0).coordinate.latitude
                map.center.longitude = get(0).coordinate.longitude
            }
        }
    }
    //! [geocodemodel0]

    //! [pointdel0]
    Component {
        id: pointDelegate

        MapCircle {
            id: point
            radius: 1000
            color: "#46a2da"
            border.color: "#190a33"
            border.width: 2
            smooth: true
            opacity: 0.25
            center: locationData.coordinate
            //! [pointdel0]
            MouseArea {
                anchors.fill:parent
                id: circleMouseArea
                hoverEnabled: false
                property variant lastCoordinate

                onPressed : {
                    map.lastX = mouse.x + parent.x
                    map.lastY = mouse.y + parent.y
                    map.pressX = mouse.x + parent.x
                    map.pressY = mouse.y + parent.y
                    lastCoordinate = map.toCoordinate(Qt.point(mouse.x, mouse.y))
                }

                onPositionChanged: {
                    if (Math.abs(map.pressX - parent.x- mouse.x ) > map.jitterThreshold ||
                            Math.abs(map.pressY - parent.y -mouse.y ) > map.jitterThreshold) {
                        if (pressed) parent.radius = parent.center.distanceTo(
                                         map.toCoordinate(Qt.point(mouse.x, mouse.y)))
                    }
                    if (mouse.button == Qt.LeftButton) {
                        map.lastX = mouse.x + parent.x
                        map.lastY = mouse.y + parent.y
                    }
                }

                onPressAndHold:{
                    if (Math.abs(map.pressX - parent.x- mouse.x ) < map.jitterThreshold
                            && Math.abs(map.pressY - parent.y - mouse.y ) < map.jitterThreshold) {
                        showPointMenu(lastCoordinate);
                    }
                }
            }
    //! [pointdel1]
        }
    }
    //! [pointdel1]

    //! [routeview0]
    MapItemView {
        model: routeModel
        delegate: routeDelegate
    //! [routeview0]
        autoFitViewport: true
    //! [routeview1]
    }
    //! [routeview1]

    //! [geocodeview]
    MapItemView {
        model: geocodeModel
        delegate: pointDelegate
    }
    //! [geocodeview]

    Timer {
        id: scaleTimer
        interval: 100
        running: false
        repeat: false
        onTriggered: {
            map.calculateScale()
        }
    }

    MouseArea {
        id: mouseArea
        property variant lastCoordinate
        anchors.fill: parent
        acceptedButtons: Qt.LeftButton | Qt.RightButton

        onPressed : {
            map.lastX = mouse.x
            map.lastY = mouse.y
            map.pressX = mouse.x
            map.pressY = mouse.y
            lastCoordinate = map.toCoordinate(Qt.point(mouse.x, mouse.y))
        }

        onPositionChanged: {
            if (mouse.button == Qt.LeftButton) {
                map.lastX = mouse.x
                map.lastY = mouse.y
            }
        }

        onDoubleClicked: {
            var mouseGeoPos = map.toCoordinate(Qt.point(mouse.x, mouse.y));
            var preZoomPoint = map.fromCoordinate(mouseGeoPos, false);
            if (mouse.button === Qt.LeftButton) {
                map.zoomLevel = Math.floor(map.zoomLevel + 1)
            } else if (mouse.button === Qt.RightButton) {
                map.zoomLevel = Math.floor(map.zoomLevel - 1)
            }
            var postZoomPoint = map.fromCoordinate(mouseGeoPos, false);
            var dx = postZoomPoint.x - preZoomPoint.x;
            var dy = postZoomPoint.y - preZoomPoint.y;

            var mapCenterPoint = Qt.point(map.width / 2.0 + dx, map.height / 2.0 + dy);
            map.center = map.toCoordinate(mapCenterPoint);

            lastX = -1;
            lastY = -1;
        }

        onPressAndHold:{
            if (Math.abs(map.pressX - mouse.x ) < map.jitterThreshold
                    && Math.abs(map.pressY - mouse.y ) < map.jitterThreshold) {
                showMainMenu(lastCoordinate);
            }
        }
    }
//! [end]
}
//! [end]