Show popup

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
// [WriteFile Name=ShowPopup, Category=DisplayInformation]
// [Legal]
// Copyright 2020 Esri.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// [Legal]

#ifdef PCH_BUILD
#include "pch.hpp"
#endif // PCH_BUILD

// sample headers
#include "ShowPopup.h"

// ArcGIS Maps SDK headers
#include "Error.h"
#include "Feature.h"
#include "FeatureLayer.h"
#include "IdentifyLayerResult.h"
#include "LayerListModel.h"
#include "Map.h"
#include "MapQuickView.h"
#include "MapTypes.h"
#include "PopupAttachmentListModel.h"
#include "PopupAttachmentManager.h"
#include "PopupAttributeListModel.h"
#include "PopupManager.h"

// Qt headers
#include <QUuid>

using namespace Esri::ArcGISRuntime;

ShowPopup::ShowPopup(QObject* parent /* = nullptr */):
  QObject(parent),
  m_map(new Map(QUrl("https://runtime.maps.arcgis.com/home/webmap/viewer.html?webmap=e4c6eb667e6c43b896691f10cc2f1580"), this))
{
}

ShowPopup::~ShowPopup() = default;

void ShowPopup::init()
{
  // Register the map view for QML
  qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");
  qmlRegisterType<ShowPopup>("Esri.Samples", 1, 0, "ShowPopupSample");

  // Required to use the PopupManager with a QML UI.
  qmlRegisterUncreatableType<PopupManager>("Esri.Samples", 1, 0, "PopupManager", "PopupManager is uncreateable");
  qmlRegisterUncreatableType<PopupAttachmentManager>("Esri.Samples", 1, 0, "PopupAttachmentManager", "PopupAttachmentManager is uncreateable");
  qmlRegisterUncreatableType<PopupAttributeListModel>("Esri.Samples", 1, 0, "PopupAttributeListModel", "PopupAttributeListModel is uncreateable");
  qmlRegisterUncreatableType<PopupAttachmentListModel>("Esri.Samples", 1, 0, "PopupAttachmentListModel", "PopupAttachmentListModel is uncreateable");
}

MapQuickView* ShowPopup::mapView() const
{
  return m_mapView;
}

// Set the view (created in QML)
void ShowPopup::setMapView(MapQuickView* mapView)
{
  if (!mapView || mapView == m_mapView)
    return;

  m_mapView = mapView;
  m_mapView->setMap(m_map);

  // once map is set, connect to MapQuickView mouse clicked signal
  connect(m_mapView, &MapQuickView::mouseClicked, this, &ShowPopup::onMouseClicked);

  emit mapViewChanged();
}

void ShowPopup::onIdentifyLayerCompleted(const QUuid&, IdentifyLayerResult* rawIdentifyResult)
{
  emit taskRunningChanged();
  auto identifyResult = std::unique_ptr<IdentifyLayerResult>(rawIdentifyResult);

  // Invalid identify result
  if (!identifyResult)
    return;

  if (!identifyResult->error().isEmpty())
  {
    qDebug() << "Identify error occurred: " << identifyResult->error().message();
    return;
  }

  m_featureLayer->clearSelection();
  const auto elements = identifyResult->geoElements();
  for (GeoElement* geoElement : elements)
  {
    Feature* feature = static_cast<Feature*>(geoElement);
    m_featureLayer->selectFeature(feature);
  }

  if (!identifyResult->popups().isEmpty())
  {
    // clear the list of PopupManagers
    m_popupManagers.clear();
    const auto popups = identifyResult->popups();
    for (Popup* popup : popups)
    {
      // create a popup manager
      PopupManager* popupManager = new PopupManager{popup, this};
      // append popup manager to list
      m_popupManagers.append(popupManager);
      // notify QML that m_popupManagers has changed and to display the popup(s).
      emit popupManagersChanged();
    }
  }
}

void ShowPopup::onMouseClicked(QMouseEvent& mouseEvent)
{
  if (m_map->loadStatus() != LoadStatus::Loaded)
    return;

  Layer* layer = m_map->operationalLayers()->at(0);
  if (layer->layerType() == LayerType::FeatureLayer)
  {
    m_featureLayer = static_cast<FeatureLayer*>(layer);
  }

  constexpr double tolerance = 12;
  constexpr bool returnPopupsOnly = false;
  constexpr int maximumResults = 10;

  m_future = m_mapView->identifyLayerAsync(m_featureLayer, mouseEvent.position(), tolerance, returnPopupsOnly, maximumResults);
  m_future.then(this, [this](IdentifyLayerResult* result)
  {
    onIdentifyLayerCompleted(QUuid(),result);
  });

  if (!m_future.isValid())
    qWarning() << "Future not valid.";

  emit taskRunningChanged();
}

bool ShowPopup::taskRunning() const
{
  return m_future.isRunning();
}

QQmlListProperty<PopupManager> ShowPopup::popupManagers()
{
  return QQmlListProperty<PopupManager>(this, &m_popupManagers);
}

void ShowPopup::clearSelection() const
{
  m_featureLayer->clearSelection();
}