source: flair-src/trunk/tools/FlairGCS/src/mapwidget.cpp @ 67

Last change on this file since 67 was 67, checked in by Sanahuja Guillaume, 5 years ago

corrections bugs checkpoint map

File size: 11.9 KB
Line 
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46
47#include <QApplication>
48#include <QGeoCoordinate>
49#include <QGraphicsScene>
50
51#include <QTimer>
52#include <QMenu>
53#include "mapwidget.h"
54#include "Landmark.h"
55#include "Map.h"
56#include "ConnectionLayout.h"
57
58using namespace QtMobility;
59
60MapWidget::MapWidget(Map *map, QWidget *parent) : QGraphicsView(parent) {
61  setCursor(Qt::ArrowCursor);
62  setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
63  setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
64
65  geoMap = 0;
66  dragging = false;
67  pressed = false;
68  landmark_match = NULL;
69  this->map = map;
70
71  m_scene = new QGraphicsScene(this);
72  setScene(m_scene);
73  setMouseTracking(true);
74
75  landmarks = new QList<Landmark *>;
76  landmarks_old = new QList<Landmark *>;
77}
78
79MapWidget::~MapWidget() {
80  m_scene->removeItem(geoMap);
81  delete m_scene;
82}
83
84QGraphicsScene *MapWidget::scene(void) const { return m_scene; }
85
86void MapWidget::setMap(QGraphicsGeoMap *geoMap) {
87  m_scene->clear();
88  m_scene->addItem(geoMap);
89  this->geoMap = geoMap;
90  geoMap->resize(m_scene->sceneRect().width(), m_scene->sceneRect().height());
91}
92
93void MapWidget::mousePressEvent(QMouseEvent *event) {
94  if (event->button() == Qt::LeftButton) {
95    pressed = true;
96    dragStartPosition = event->pos();
97    QTimer::singleShot(qApp->startDragTime(), this, SLOT(initDrag()));
98    event->accept();
99  }
100
101  if (event->button() == Qt::RightButton) {
102    QMenu *menu = new QMenu("nom", this);
103
104    if (cursor().shape() != Qt::PointingHandCursor) {
105      QAction *b, *z; //*a,
106      QList<QAction *> go_to_actions;
107      QList<QAction *> centered_actions;
108
109      //add centered for every point
110      QMenu *centered_menu = menu->addMenu("centered");
111      for (int i = 0; i < points.count(); i++) {
112        QAction *action = centered_menu->addAction(points.at(i));
113        centered_actions.append(action);
114        action->setCheckable(true);
115        if (map->centeredPoint() == i) {
116          action->setChecked(true);
117        } else {
118          action->setChecked(false);
119        }
120      }
121
122      menu->addSeparator();
123
124      b = menu->addAction("place checkpoint");
125
126      //add go to for every landmark
127      QMenu *go_to_menu = menu->addMenu("go to");
128      for (int i = 0; i < landmarks->count(); i++) {
129        QAction *action =
130            go_to_menu->addAction(QString("checkpoint %1").arg(i + 1));
131        go_to_actions.append(action);
132      }
133      if (landmarks->count() == 0)
134        go_to_menu->setEnabled(false);
135
136      map->appendmenu(menu);
137      z = map->execmenu(this, menu, event->globalPos());
138
139      //center to the desired point
140      for (int i = 0; i < centered_actions.count(); i++) {
141        if (z == centered_actions.at(i)) {
142          if (centered_actions.at(i)->isChecked()) {
143            map->setCenteredPoint(i);
144          } else {
145            map->setCenteredPoint(-1);
146          }
147
148          break;
149        }
150      }
151
152      //add a landmark
153      if (z == b) {
154        Landmark *landmark = new Landmark(
155            geoMap, geoMap->screenPositionToCoordinate(event->pos()),
156            QString("%1").arg(landmarks->count() + 1));
157        landmarks->append(landmark);
158      }
159      for (int i = 0; i < go_to_actions.count(); i++) {
160        if (z == go_to_actions.at(i)) {
161          map->setCenteredPoint(-1);
162          geoMap->setCenter(landmarks->at(i)->coordinate());
163          break;
164        }
165      }
166
167    //delete landmark
168    } else {
169      QAction *a, *z;
170      a = menu->addAction("delete");
171      //get selected landmark id
172      int landmark_index;
173      for (landmark_index = 0; landmark_index < landmarks->count(); landmark_index++) {
174          if (landmarks->at(landmark_index)->contains(
175                  geoMap->screenPositionToCoordinate(event->pos()))) {
176            a->setEnabled(landmarks->at(landmark_index)->IsUptodate());
177            break;
178          }
179      }
180      z = menu->exec(event->globalPos());
181
182      if (z == a) {
183        //remove from landmarks_old
184        for (int i = 0; i < landmarks_old->count(); i++) {
185          if (landmarks_old->at(i)->contains(
186                  geoMap->screenPositionToCoordinate(event->pos()))) {
187            landmarks_old->removeAt(i);
188            break;
189          }
190        }
191
192        //remove from landmarks
193        delete landmarks->at(landmark_index);
194        landmarks->removeAt(landmark_index);
195
196        //reorder the remaining ones
197        for (int j = landmark_index; j < landmarks->count(); j++) {
198          landmarks->at(j)->setText(QString("%1").arg(j + 1));
199        }
200
201        //send delete
202        map->RemoveAllAttributes();
203        map->SetAttribute("lat" + QString::number(landmark_index),"delete");
204        map->SetAttribute("long" + QString::number(landmark_index),"delete");
205        map->connectionLayout()->XmlToSend(map->XmlDoc());
206        map->RemoveAttribute("lat" + QString::number(landmark_index));
207        map->RemoveAttribute("long" + QString::number(landmark_index));
208      }
209    }
210
211    delete menu;
212  }
213}
214
215void MapWidget::initDrag(void) {
216  if (pressed && map->isCentered() && landmark_match == NULL) {
217    dragging = true;
218  }
219}
220
221void MapWidget::mouseMoveEvent(QMouseEvent *event) {
222  if (!geoMap)
223    return;
224
225  Qt::CursorShape new_cursor;
226  if (dragging == true) {
227    new_cursor = Qt::ClosedHandCursor;
228  } else {
229    if (map->isCentered()) {
230      if (pressed == true) {
231        new_cursor = Qt::ForbiddenCursor;
232      } else {
233        new_cursor = Qt::ArrowCursor;
234      }
235    } else {
236      new_cursor = Qt::OpenHandCursor;
237    }
238    if (landmark_match != NULL)
239      new_cursor = Qt::PointingHandCursor;
240  }
241
242  for (int i = 0; i < landmarks->count(); i++) {
243    if (landmarks->at(i)
244            ->contains(geoMap->screenPositionToCoordinate(event->pos()))) {
245      if (pressed && landmark_match == NULL) {
246        landmark_match = landmarks->at(i);
247        landmark_match->setColor(Qt::red);
248      }
249      new_cursor = Qt::PointingHandCursor;
250      break;
251    }
252  }
253
254  if (new_cursor != cursor().shape())
255    setCursor(new_cursor);
256
257  QPoint v = event->pos() - dragStartPosition;
258
259  if (dragging) {
260    geoMap->pan(-v.x(), -v.y());
261    dragStartPosition = event->pos();
262
263  } else if (landmark_match != NULL) {
264    landmark_match->setCoordinate(
265        geoMap->screenPositionToCoordinate(event->pos()));
266
267  } else if (pressed && !map->isCentered() &&
268             v.manhattanLength() >= qApp->startDragDistance()) {
269    dragging = true;
270
271  } else {
272    dragStartPosition = event->pos();
273    emit positionChanged(geoMap->screenPositionToCoordinate(event->pos()));
274  }
275
276  event->accept();
277}
278
279void MapWidget::mouseReleaseEvent(QMouseEvent *event) {
280  pressed = false;
281  landmark_match = NULL;
282
283  if (dragging) {
284    QPoint v = event->pos() - dragStartPosition;
285    geoMap->pan(-v.x(), -v.y());
286    dragging = false;
287  }
288
289  event->accept();
290}
291
292void MapWidget::resizeEvent(QResizeEvent *event) {
293  if (geoMap) {
294    m_scene->setSceneRect(
295        QRectF(0, 0, event->size().width(), event->size().height()));
296    geoMap->resize(event->size().width(), event->size().height());
297  }
298
299  QGraphicsView::resizeEvent(event);
300}
301
302void MapWidget::wheelEvent(QWheelEvent *event) {
303  int steps = event->delta() / 120;
304  int zoom = qBound(geoMap->minimumZoomLevel(), geoMap->zoomLevel() + steps,
305                    geoMap->maximumZoomLevel());
306
307  if (zoom != geoMap->zoomLevel())
308    geoMap->setZoomLevel(zoom);
309  // if(!centered)
310  // geoMap->setCenter(geoMap->screenPositionToCoordinate(event->pos()));
311}
312
313void MapWidget::mouseDoubleClickEvent(QMouseEvent *event) {
314  if (!map->isCentered())
315    geoMap->setCenter(geoMap->screenPositionToCoordinate(event->pos()));
316}
317
318bool MapWidget::IsUptodate(void) {
319  for (int i = 0; i < landmarks->count(); i++) {
320    if(!landmarks->at(i)->IsUptodate()) return false;
321  }
322  return true;
323}
324
325void MapWidget::SetUptodate(void) {
326  for (int i = 0; i < landmarks_old->count(); i++) {
327    delete landmarks_old->at(i);
328  }
329  landmarks_old->clear();
330
331  for (int i = 0; i < landmarks->count(); i++) {
332    landmarks->at(i)->setColor(Qt::white);
333    Landmark *landmark =
334        new Landmark(geoMap, landmarks->at(i)->coordinate(),
335                     QString("%1").arg(landmarks->count() + 1));
336    landmarks_old->append(landmark);
337    landmarks_old->at(i)->setVisible(false);
338  }
339}
340
341void MapWidget::Reset(void) {
342  for (int i = 0; i < landmarks->count(); i++) {
343    delete landmarks->at(i);
344  }
345  landmarks->clear();
346
347  for (int i = 0; i < landmarks_old->count(); i++) {
348    Landmark *landmark =
349        new Landmark(geoMap, landmarks_old->at(i)->coordinate(),
350                     QString("%1").arg(landmarks->count() + 1));
351    landmarks->append(landmark);
352    landmarks->at(i)->setColor(Qt::white);
353  }
354}
355
356QList<Landmark *> *MapWidget::Landmarks(void) { return landmarks; }
357
358bool MapWidget::LandmarkToSend(int index) {
359  if (index >= landmarks_old->count())
360    return true;
361
362  if (landmarks->at(index)->coordinate() !=
363      landmarks_old->at(index)->coordinate())
364    return true;
365  else
366    return false;
367}
368void MapWidget::RemoveLandmarks(void) {
369  for (int i = 0; i < landmarks->count(); i++) {
370    landmarks->at(i)->RemoveLandmark();
371  }
372  for (int i = 0; i < landmarks_old->count(); i++) {
373    landmarks_old->at(i)->RemoveLandmark();
374  }
375}
376
377void MapWidget::AddLandmarks(QGraphicsGeoMap *geoMap) {
378  for (int i = 0; i < landmarks->count(); i++) {
379    landmarks->at(i)->AddLandmark(geoMap);
380  }
381  for (int i = 0; i < landmarks_old->count(); i++) {
382    landmarks_old->at(i)->AddLandmark(geoMap);
383  }
384}
385
386void MapWidget::AddLandmark(const QGeoCoordinate &coordinate) {
387  Landmark *landmark = new Landmark(geoMap, coordinate,
388                                    QString("%1").arg(landmarks->count() + 1));
389  landmarks->append(landmark);
390  landmark->setColor(Qt::white);
391  landmark = new Landmark(geoMap, coordinate,
392                          QString("%1").arg(landmarks_old->count() + 1));
393  landmarks_old->append(landmark);
394  landmark->setColor(Qt::white);
395  landmark->setVisible(false);
396}
397
398void MapWidget::AddPoint(QString name) { points.append(name); }
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