void QDeclarativeGraphicsGeoMap::populateMap()
{
if (!mapData_ || !componentCompleted_)
return;
QObjectList kids = children();
for (int i = 0; i < kids.size(); ++i) {
// dispatch items appropriately
QDeclarativeGeoMapObjectView* mapView = qobject_cast<QDeclarativeGeoMapObjectView*>(kids.at(i));
if (mapView) {
mapViews_.append(mapView);
setupMapView(mapView);
continue;
}
QDeclarativeGeoMapObject *mapObject = qobject_cast<QDeclarativeGeoMapObject*>(kids.at(i));
if (mapObject) {
mapObjects_.append(mapObject);
objectMap_.insert(mapObject->mapObject(), mapObject);
mapData_->addMapObject(mapObject->mapObject());
mapObject->setMap(this);
continue;
}
QDeclarativeGeoMapMouseArea *mouseArea
= qobject_cast<QDeclarativeGeoMapMouseArea*>(kids.at(i));
if (mouseArea) {
mouseArea->setMap(this);
mouseAreas_.append(mouseArea);
}
}
}
void QDeclarativeGeoMapObjectView::modelRowsRemoved(QModelIndex, int start, int end)
{
if (!componentCompleted_ || !map_ || !map_->mapData_ || !delegate_ || !model_)
return;
Q_ASSERT(declarativeObjectList_.count() == group_.childObjects().count());
for (int i = end; i >= start; --i) {
QDeclarativeGeoMapObject *object = declarativeObjectList_.takeAt(i);
if (!object) // bad
break;
group_.removeChildObject(object->mapObject());
map_->objectMap_.remove(object->mapObject());
delete object;
}
Q_ASSERT(declarativeObjectList_.count() == group_.childObjects().count());
}
void QDeclarativeGeoMapGroupObject::componentComplete()
{
QList<QGraphicsItem*> children = childItems();
for (int i = 0; i < children.size(); ++i) {
QDeclarativeGeoMapObject *mapObject
= qobject_cast<QDeclarativeGeoMapObject*>(children.at(i));
if (mapObject) {
group_->addChildObject(mapObject->mapObject());
objects_.append(mapObject);
mapObject->setMap(map());
}
}
QDeclarativeGeoMapObject::componentComplete();
}
void QDeclarativeGraphicsGeoMap::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
{
if (!mapData_) {
qmlInfo(this) << tr("Map plugin is not set, mouse event cannot be processed.");
return;
}
activeMouseArea_ = 0;
QList<QGeoMapObject*> objects = mapData_->mapObjectsAtScreenPosition(event->pos());
QDeclarativeGeoMapMouseEvent *mouseEvent = createMapMouseEvent(event);
for (int i = objects.size() - 1; i >= 0; --i) {
QDeclarativeGeoMapObject* mapObject = objectMap_.value(objects.at(i), 0);
if (mapObject) {
mapObject->doubleClickEvent(mouseEvent);
if (mouseEvent->accepted()) {
event->setAccepted(true);
delete mouseEvent;
return;
}
}
}
for (int i = 0; i < mouseAreas_.size(); ++i) {
mouseAreas_.at(i)->doubleClickEvent(mouseEvent);
if (mouseEvent->accepted()) {
event->setAccepted(true);
delete mouseEvent;
return;
}
}
bool accepted = (mouseEvent->accepted());
delete mouseEvent;
if (accepted)
return;
QDeclarativeItem::mouseDoubleClickEvent(event);
}
void QDeclarativeGeoMapObjectView::modelRowsInserted(QModelIndex, int start, int end)
{
if (!componentCompleted_ || !map_ || !map_->mapData_ || !delegate_ || !model_)
return;
Q_ASSERT(declarativeObjectList_.count() == group_.childObjects().count());
QDeclarativeGeoMapObject* mapObject;
for (int i = start; i <= end; ++i) {
mapObject = createItem(i);
if (!mapObject) {
break;
}
declarativeObjectList_.append(mapObject);
mapObject->setVisible(visible_);
mapObject->setMap(map_);
group_.addChildObject(mapObject->mapObject());
// Needed in order for mouse areas to work.
map_->objectMap_.insert(mapObject->mapObject(), mapObject);
}
Q_ASSERT(declarativeObjectList_.count() == group_.childObjects().count());
}
void QDeclarativeGraphicsGeoMap::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
if (!mapData_) {
qmlInfo(this) << tr("Map plugin is not set, mouse event cannot be processed.");
return;
}
// First deliver the mouse event to possible map objects (they will accept it if
// they have their own mouse area). If no accepting objects, check if the map
// object itself has any mouse areas. This way the map objects have higher priority
// in mouse event handling.
QList<QGeoMapObject*> objects = mapData_->mapObjectsAtScreenPosition(event->pos());
QDeclarativeGeoMapMouseEvent *mouseEvent = createMapMouseEvent(event);
for (int i = objects.size() - 1; i >= 0; --i) {
QDeclarativeGeoMapObject* mapObject = objectMap_.value(objects.at(i), 0);
if (mapObject) {
mapObject->pressEvent(mouseEvent);
if (mouseEvent->accepted()) {
event->setAccepted(true);
delete mouseEvent;
return;
}
}
}
for (int i = 0; i < mouseAreas_.size(); ++i) {
mouseAreas_.at(i)->pressEvent(mouseEvent);
if (mouseEvent->accepted()) {
event->setAccepted(true);
delete mouseEvent;
return;
}
}
delete mouseEvent;
QDeclarativeItem::mousePressEvent(event);
}
// Removes and repopulates all items.
void QDeclarativeGeoMapObjectView::repopulate()
{
if (!componentCompleted_ || !map_ || !map_->mapData_ || !delegate_ || !model_)
return;
// Free any earlier instances
removeInstantiatedItems();
// Iterate model data and instantiate delegates.
// We could use more specialized landmark model calls here too,
// but hopefully the support will be leveraged to a general model
// level.
QDeclarativeGeoMapObject* mapObject;
for (int i = 0; i < model_->rowCount(); ++i) {
mapObject = createItem(i);
if (!mapObject)
break;
declarativeObjectList_.append(mapObject);
mapObject->setVisible(visible_);
mapObject->setMap(map_);
group_.addChildObject(mapObject->mapObject());
// Needed in order for mouse areas to work.
map_->recursiveAddToObjectMap(mapObject);
}
}
void QDeclarativeGraphicsGeoMap::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
{
if (!mapData_)
return;
QList<QGeoMapObject*> objectsThen = mapData_->mapObjectsAtScreenPosition(event->lastPos());
QList<QGeoMapObject*> objectsNow = mapData_->mapObjectsAtScreenPosition(event->pos());
QSet<QGeoMapObject*> enter = objectsNow.toSet();
enter -= objectsThen.toSet();
for (int i = 0; i < objectsNow.size(); ++i) {
if (!enter.contains(objectsNow.at(i)))
continue;
QDeclarativeGeoMapObject* mapObject = objectMap_.value(objectsNow.at(i), 0);
if (mapObject)
mapObject->enterEvent();
}
QSet<QGeoMapObject*> exit = objectsThen.toSet();
exit -= objectsNow.toSet();
for (int i = 0; i < objectsThen.size(); ++i) {
if (!exit.contains(objectsThen.at(i)))
continue;
QDeclarativeGeoMapObject* mapObject = objectMap_.value(objectsThen.at(i), 0);
if (mapObject)
mapObject->exitEvent();
}
QSet<QGeoMapObject*> move = objectsNow.toSet();
move += objectsThen.toSet();
QList<QGeoMapObject*> objects = mapData_->mapObjectsInViewport();
QDeclarativeGeoMapMouseEvent *mouseEvent = createMapMouseEvent(event);
for (int i = 0; i < objects.size(); ++i) {
if (!move.contains(objects.at(i)))
continue;
QDeclarativeGeoMapObject* mapObject = objectMap_.value(objects.at(i), 0);
if (mapObject)
mapObject->moveEvent(mouseEvent);
}
/*
QList<QGeoMapObject*> objects = mapData_->mapObjectsAtScreenPosition(event->pos());
for (int i = objects.size() - 1; i >= 0; --i) {
QDeclarativeGeoMapObject* mapObject = objectMap_.value(objects.at(i), 0);
if (mapObject)
mapObject->moveEvent(mouseEvent);
}
*/
for (int i = 0; i < mouseAreas_.size(); ++i)
mouseAreas_.at(i)->moveEvent(mouseEvent);
delete mouseEvent;
}
