/**
* Create a collection of layer lists and their included layers described by an array of XML
* layer-list description elements.
*
* <p>Any exceptions occurring during creation of the layer lists or their included layers are
* logged and not re-thrown. The layers associated with the exceptions are not included in the
* returned layer list.
*
* @param elements the XML elements describing the layer lists to create.
* @param params any parameters to apply when creating the included layers.
* @return an array containing the specified layer lists.
*/
protected LayerList[] createLayerLists(Element[] elements, AVList params) {
ArrayList<LayerList> layerLists = new ArrayList<LayerList>();
for (Element element : elements) {
try {
String href = WWXML.getText(element, "@href");
if (href != null && href.length() > 0) {
Object o = this.createFromConfigSource(href, params);
if (o == null) continue;
if (o instanceof Layer) {
LayerList ll = new LayerList();
ll.add((Layer) o);
o = ll;
}
if (o instanceof LayerList) {
LayerList list = (LayerList) o;
if (list != null && list.size() > 0) layerLists.add(list);
} else if (o instanceof LayerList[]) {
LayerList[] lists = (LayerList[]) o;
if (lists != null && lists.length > 0) layerLists.addAll(Arrays.asList(lists));
} else {
String msg =
Logging.getMessage("LayerFactory.UnexpectedTypeForLayer", o.getClass().getName());
Logging.logger().log(java.util.logging.Level.WARNING, msg);
}
continue;
}
String title = WWXML.getText(element, "@title");
Element[] children = WWXML.getElements(element, "./Layer", null);
if (children != null && children.length > 0) {
LayerList list = this.createLayerList(children, params);
if (list != null && list.size() > 0) {
layerLists.add(list);
if (title != null && title.length() > 0) list.setValue(AVKey.DISPLAY_NAME, title);
}
}
} catch (Exception e) {
Logging.logger().log(java.util.logging.Level.WARNING, e.getMessage(), e);
// keep going to create other layers
}
}
return layerLists.toArray(new LayerList[layerLists.size()]);
}
private Iterable<GeographicText> makeIterable(DrawContext dc) {
// get dispay dist for this service for use in label annealing
double maxDisplayDistance = this.getPlaceNameService().getMaxDisplayDistance();
ArrayList<GeographicText> list = new ArrayList<GeographicText>();
for (int i = 0; i < this.numEntries; i++) {
CharSequence str = getText(i);
Position pos = getPosition(i);
GeographicText text = new UserFacingText(str, pos);
text.setFont(this.placeNameService.getFont());
text.setColor(this.placeNameService.getColor());
text.setBackgroundColor(this.placeNameService.getBackgroundColor());
text.setVisible(isNameVisible(dc, this.placeNameService, pos));
text.setPriority(maxDisplayDistance);
list.add(text);
}
return list;
}
public List<NavigationTile> navTilesVisible(
DrawContext dc, double minDistSquared, double maxDistSquared) {
ArrayList<NavigationTile> navList = new ArrayList<NavigationTile>();
if (this.isNavSectorVisible(dc, minDistSquared, maxDistSquared)) {
if (this.level > 0 && !this.hasSubTiles()) this.buildSubNavTiles();
if (this.hasSubTiles()) {
for (NavigationTile nav : subNavTiles) {
navList.addAll(nav.navTilesVisible(dc, minDistSquared, maxDistSquared));
}
} else // at bottom level navigation tile
{
navList.add(this);
}
}
return navList;
}
