private void draw(
Object parentGroup, GeometryIndex parentIndex, Polygon polygon, GraphicsContext graphics) {
String groupName = baseName;
if (parentIndex != null) {
groupName += "." + editingService.getIndexService().format(parentIndex);
}
Composite bgGroup = getOrCreateGroup(parentGroup, groupName + ".background");
Composite geometryGroup = getOrCreateGroup(parentGroup, groupName + ".geometries");
// Draw the exterior ring:
GeometryIndex shellIndex =
editingService
.getIndexService()
.addChildren(parentIndex, GeometryIndexType.TYPE_GEOMETRY, 0);
if (!polygon.isEmpty()) {
if (styleService.getBackgroundStyle() != null
&& styleService.getBackgroundStyle().getFillOpacity() > 0) {
graphics.drawPolygon(bgGroup, "background", polygon, findGeometryStyle(shellIndex));
}
draw(geometryGroup, shellIndex, polygon.getExteriorRing(), graphics);
}
// Draw the interior rings:
for (int i = 0; i < polygon.getNumInteriorRing(); i++) {
GeometryIndex holeIndex =
editingService
.getIndexService()
.addChildren(parentIndex, GeometryIndexType.TYPE_GEOMETRY, i + 1);
draw(geometryGroup, holeIndex, polygon.getInteriorRingN(i), graphics);
}
}
private ShapeStyle findGeometryStyle(GeometryIndex index) {
if (!editingService.getIndexStateService().isEnabled(index)) {
return styleService.getBackgroundDisabledStyle();
} else if (editingService.getIndexStateService().isMarkedForDeletion(index)) {
return styleService.getBackgroundMarkedForDeletionStyle();
}
return styleService.getBackgroundStyle();
}
private void draw(
Object parentGroup,
GeometryIndex parentIndex,
LinearRing linearRing,
GraphicsContext graphics) {
String groupName = baseName;
if (parentIndex != null) {
groupName += "." + editingService.getIndexService().format(parentIndex);
}
Composite edgeGroup = getOrCreateGroup(parentGroup, groupName + ".edges");
Composite vertexGroup = getOrCreateGroup(parentGroup, groupName + ".vertices");
Coordinate[] coordinates = linearRing.getCoordinates();
if (coordinates != null) {
// Check if we have to draw the background as well (if there are controllers defined for it):
GraphicsController controller = createGeometryController(parentIndex);
if (controller != null) {
Polygon polygon =
mapWidget.getMapModel().getGeometryFactory().createPolygon(linearRing, null);
graphics.drawPolygon(parentGroup, groupName + ".background", polygon, new ShapeStyle());
graphics.setController(parentGroup, groupName + ".background", controller);
}
// Draw individual edges:
int max = coordinates.length;
if (!styleService.isCloseRingWhileInserting()
&& editingService.getEditingState() == GeometryEditState.INSERTING
&& editingService
.getIndexService()
.isChildOf(parentIndex, editingService.getInsertIndex())) {
max--;
}
for (int i = 1; i < max; i++) {
GeometryIndex edgeIndex =
editingService
.getIndexService()
.addChildren(parentIndex, GeometryIndexType.TYPE_EDGE, i - 1);
String identifier = baseName + "." + editingService.getIndexService().format(edgeIndex);
LineString edge =
linearRing
.getGeometryFactory()
.createLineString(new Coordinate[] {coordinates[i - 1], coordinates[i]});
graphics.drawLine(edgeGroup, identifier, edge, findEdgeStyle(edgeIndex));
graphics.setController(edgeGroup, identifier, createEdgeController(edgeIndex));
}
addInivisibleShapeToGraphicsContext(graphics, vertexGroup);
for (int i = 0; i < coordinates.length - 1; i++) {
GeometryIndex vertexIndex =
editingService
.getIndexService()
.addChildren(parentIndex, GeometryIndexType.TYPE_VERTEX, i);
String identifier = baseName + "." + editingService.getIndexService().format(vertexIndex);
addShapeToGraphicsContext(
graphics, vertexGroup, identifier, coordinates[i], findVertexStyle(vertexIndex));
graphics.setController(vertexGroup, identifier, createVertexController(vertexIndex));
}
}
}
public void onCoordinateSnapAttempt(CoordinateSnapEvent event) {
if (editingService.getEditingState() == GeometryEditState.INSERTING) {
String identifier =
baseName + "." + editingService.getIndexService().format(editingService.getInsertIndex());
Object parentGroup =
groups.get(identifier.substring(0, identifier.lastIndexOf('.')) + ".vertices");
Coordinate temp = event.getTo();
Coordinate coordinate =
mapWidget.getMapModel().getMapView().getWorldViewTransformer().worldToPan(temp);
addShapeToGraphicsContext(
mapWidget.getVectorContext(),
parentGroup,
identifier,
coordinate,
event.hasSnapped() ? styleService.getVertexSnappedStyle() : new ShapeStyle());
}
}
private ShapeStyle findVertexStyle(GeometryIndex index) {
if (editingService.getIndexStateService().isMarkedForDeletion(index)) {
return styleService.getVertexMarkForDeletionStyle();
} else if (!editingService.getIndexStateService().isEnabled(index)) {
return styleService.getVertexDisabledStyle();
} else if (editingService.getIndexStateService().isSnapped(index)) {
return styleService.getVertexSnappedStyle();
}
boolean selected = editingService.getIndexStateService().isSelected(index);
boolean highlighted = editingService.getIndexStateService().isHightlighted(index);
if (selected && highlighted) {
return styleService.getVertexSelectHoverStyle();
} else if (selected) {
return styleService.getVertexSelectStyle();
} else if (highlighted) {
return styleService.getVertexHoverStyle();
}
return styleService.getVertexStyle();
}
private void addShapeToGraphicsContext(
GraphicsContext graphics,
Object parentGroup,
String identifier,
Coordinate coordinate,
ShapeStyle style) {
int vertexSize = getStyleService().getPointSymbolizerShapeAndSize().getSize();
int halfVertexSize = vertexSize / 2;
switch (styleService.getPointSymbolizerShapeAndSize().getShape()) {
case SQUARE:
Bbox rectangle =
new Bbox(
coordinate.getX() - halfVertexSize,
coordinate.getY() - halfVertexSize,
vertexSize,
vertexSize);
graphics.drawRectangle(parentGroup, identifier, rectangle, style);
break;
case CIRCLE:
graphics.drawCircle(parentGroup, identifier, coordinate, vertexSize, style);
break;
}
}
// TODO make use of the findGeometryStyle method.
private void updateGeometry(Geometry geometry, GeometryIndex index, boolean bringToFront)
throws GeometryIndexNotFoundException {
// Some initialization:
String identifier = baseName + "." + editingService.getIndexService().format(index);
boolean marked = editingService.getIndexStateService().isMarkedForDeletion(index);
// Find current and previous parent groups:
Composite parentGroup =
groups.get(identifier.substring(0, identifier.lastIndexOf('.')) + ".geometries");
// Find the correct style:
ShapeStyle style = new ShapeStyle();
if (marked) {
style = styleService.getBackgroundMarkedForDeletionStyle();
}
// Draw the inner ring:
org.geomajas.gwt.client.spatial.geometry.Geometry transformed =
mapWidget
.getMapModel()
.getMapView()
.getWorldViewTransformer()
.worldToPan(
GeometryConverter.toGwt(
editingService.getIndexService().getGeometry(geometry, index)));
if (transformed instanceof LinearRing) {
Polygon polygon =
mapWidget
.getMapModel()
.getGeometryFactory()
.createPolygon((LinearRing) transformed, null);
mapWidget
.getVectorContext()
.drawPolygon(parentGroup, identifier + ".background", polygon, style);
}
}
public void onTentativeMove(GeometryEditTentativeMoveEvent event) {
try {
Coordinate[] vertices =
editingService
.getIndexService()
.getSiblingVertices(editingService.getGeometry(), editingService.getInsertIndex());
String geometryType =
editingService
.getIndexService()
.getGeometryType(editingService.getGeometry(), editingService.getInsertIndex());
if (vertices != null && Geometry.LINE_STRING.equals(geometryType)) {
String identifier =
baseName
+ "."
+ editingService.getIndexService().format(editingService.getInsertIndex());
Object parentGroup =
groups.get(identifier.substring(0, identifier.lastIndexOf('.')) + ".edges");
Coordinate temp1 = event.getOrigin();
Coordinate temp2 = event.getCurrentPosition();
Coordinate c1 =
mapWidget.getMapModel().getMapView().getWorldViewTransformer().worldToPan(temp1);
Coordinate c2 =
mapWidget.getMapModel().getMapView().getWorldViewTransformer().worldToPan(temp2);
LineString edge =
mapWidget
.getMapModel()
.getGeometryFactory()
.createLineString(new Coordinate[] {c1, c2});
mapWidget
.getVectorContext()
.drawLine(
parentGroup, insertMoveEdgeId1, edge, styleService.getEdgeTentativeMoveStyle());
} else if (vertices != null && Geometry.LINEAR_RING.equals(geometryType)) {
String identifier =
baseName
+ "."
+ editingService.getIndexService().format(editingService.getInsertIndex());
Object parentGroup =
groups.get(identifier.substring(0, identifier.lastIndexOf('.')) + ".edges");
// Line 1
Coordinate temp1 = event.getOrigin();
Coordinate temp2 = event.getCurrentPosition();
Coordinate c1 =
mapWidget.getMapModel().getMapView().getWorldViewTransformer().worldToPan(temp1);
Coordinate c2 =
mapWidget.getMapModel().getMapView().getWorldViewTransformer().worldToPan(temp2);
LineString edge =
mapWidget
.getMapModel()
.getGeometryFactory()
.createLineString(new Coordinate[] {c1, c2});
mapWidget
.getVectorContext()
.drawLine(
parentGroup, insertMoveEdgeId1, edge, styleService.getEdgeTentativeMoveStyle());
// Line 2
if (styleService.isCloseRingWhileInserting()) {
temp1 = vertices[vertices.length - 1];
c1 = mapWidget.getMapModel().getMapView().getWorldViewTransformer().worldToPan(temp1);
edge =
mapWidget
.getMapModel()
.getGeometryFactory()
.createLineString(new Coordinate[] {c1, c2});
mapWidget
.getVectorContext()
.drawLine(
parentGroup, insertMoveEdgeId2, edge, styleService.getEdgeTentativeMoveStyle());
}
}
} catch (GeometryIndexNotFoundException e) {
throw new IllegalStateException(e);
}
}
public void onGeometryEditMove(GeometryEditMoveEvent event) {
// Find the elements that need updating:
Map<GeometryIndex, Boolean> indicesToUpdate = new HashMap<GeometryIndex, Boolean>();
for (GeometryIndex index : event.getIndices()) {
if (!indicesToUpdate.containsKey(index)) {
indicesToUpdate.put(index, false);
if (!Geometry.POINT.equals(editingService.getGeometry().getGeometryType())
&& !Geometry.MULTI_POINT.equals(editingService.getGeometry().getGeometryType())) {
try {
List<GeometryIndex> neighbors = null;
switch (editingService.getIndexService().getType(index)) {
case TYPE_VERTEX:
// Move current vertex to the back. This helps the delete operation.
indicesToUpdate.put(index, true);
neighbors =
editingService.getIndexService().getAdjacentEdges(event.getGeometry(), index);
if (neighbors != null) {
for (GeometryIndex neighborIndex : neighbors) {
if (!indicesToUpdate.containsKey(neighborIndex)) {
indicesToUpdate.put(neighborIndex, false);
}
}
}
neighbors =
editingService
.getIndexService()
.getAdjacentVertices(event.getGeometry(), index);
if (neighbors != null) {
for (GeometryIndex neighborIndex : neighbors) {
if (!indicesToUpdate.containsKey(neighborIndex)) {
indicesToUpdate.put(neighborIndex, false);
}
}
}
break;
case TYPE_EDGE:
neighbors =
editingService
.getIndexService()
.getAdjacentVertices(event.getGeometry(), index);
if (neighbors != null) {
for (GeometryIndex neighborIndex : neighbors) {
if (!indicesToUpdate.containsKey(neighborIndex)) {
indicesToUpdate.put(neighborIndex, false);
}
}
}
break;
default:
}
} catch (GeometryIndexNotFoundException e) {
throw new IllegalStateException(e);
}
}
}
}
// Check if we need to draw the background (nice, but slows down):
if (styleService.getBackgroundStyle() != null
&& styleService.getBackgroundStyle().getFillOpacity() > 0) {
if (event.getGeometry().getGeometryType().equals(Geometry.POLYGON)) {
org.geomajas.gwt.client.spatial.geometry.Geometry transformed =
mapWidget
.getMapModel()
.getMapView()
.getWorldViewTransformer()
.worldToPan(GeometryConverter.toGwt(event.getGeometry()));
mapWidget
.getVectorContext()
.drawPolygon(
groups.get(baseName + ".background"),
"background",
(Polygon) transformed,
styleService.getBackgroundStyle());
} else if (event.getGeometry().getGeometryType().equals(Geometry.MULTI_POLYGON)
&& event.getGeometry().getGeometries() != null) {
for (int i = 0; i < event.getGeometry().getGeometries().length; i++) {
Geometry polygon = event.getGeometry().getGeometries()[i];
org.geomajas.gwt.client.spatial.geometry.Geometry transformed =
mapWidget
.getMapModel()
.getMapView()
.getWorldViewTransformer()
.worldToPan(GeometryConverter.toGwt(polygon));
mapWidget
.getVectorContext()
.drawPolygon(
groups.get(baseName + ".geometry" + i + ".background"),
"background",
(Polygon) transformed,
styleService.getBackgroundStyle());
}
}
}
// Next, redraw the list:
for (GeometryIndex index : indicesToUpdate.keySet()) {
update(event.getGeometry(), index, indicesToUpdate.get(index));
}
}
