@Override
public Feature decorate(Feature feature, KmlEncodingContext context) {
Placemark pm = (Placemark) feature;
// while it's possible to have more than one style object, GE will only paint
// the first one
Style style = pm.createAndAddStyle();
List<Symbolizer> symbolizers = context.getCurrentSymbolizers();
SimpleFeature sf = context.getCurrentFeature();
if (symbolizers.size() > 0 && sf.getDefaultGeometry() != null) {
// sort by point, text, line and polygon
Map<Class, List<Symbolizer>> classified = classifySymbolizers(symbolizers);
// if no point symbolizers, create a default one
List<Symbolizer> points = classified.get(PointSymbolizer.class);
if (points.size() == 0) {
if (context.isDescriptionEnabled()) {
setDefaultIconStyle(style, sf, context);
}
} else {
org.geotools.styling.Style wholeStyle = context.getCurrentLayer().getStyle();
IconProperties properties = IconPropertyExtractor.extractProperties(wholeStyle, sf);
setIconStyle(style, wholeStyle, properties, context);
}
// handle label styles
List<Symbolizer> texts = classified.get(TextSymbolizer.class);
if (texts.size() == 0) {
if (context.isDescriptionEnabled()) {
setDefaultLabelStyle(style);
}
} else {
// the XML schema allows only one text style, follow painter's model
// and set the last one
TextSymbolizer lastTextSymbolizer = (TextSymbolizer) texts.get(texts.size() - 1);
setLabelStyle(style, sf, lastTextSymbolizer);
}
// handle line styles
List<Symbolizer> lines = classified.get(LineSymbolizer.class);
// the XML schema allows only one line style, follow painter's model
// and set the last one
if (lines.size() > 0) {
LineSymbolizer lastLineSymbolizer = (LineSymbolizer) lines.get(lines.size() - 1);
setLineStyle(style, sf, lastLineSymbolizer.getStroke());
}
// handle polygon styles
boolean forceOutiline = lines.size() == 0;
List<Symbolizer> polygons = classified.get(PolygonSymbolizer.class);
if (polygons.size() > 0) {
// the XML schema allows only one polygon style, follow painter's model
// and set the last one
PolygonSymbolizer lastPolygonSymbolizer =
(PolygonSymbolizer) polygons.get(polygons.size() - 1);
setPolygonStyle(style, sf, lastPolygonSymbolizer, forceOutiline);
}
}
return feature;
}
protected void setLiveIconStyle(
Style style,
org.geotools.styling.Style sld,
IconProperties properties,
KmlEncodingContext context) {
final Double opacity = properties.getOpacity();
final Double scale = properties.getScale();
final Double heading = properties.getHeading();
IconStyle is = style.createAndSetIconStyle();
if (opacity != null) {
is.setColor(colorToHex(Color.WHITE, opacity));
}
if (scale != null) {
is.setScale(scale);
}
if (heading != null) {
is.setHeading(heading);
}
// Get the name of the workspace
WorkspaceInfo ws = context.getWms().getCatalog().getStyleByName(sld.getName()).getWorkspace();
String wsName = null;
if (ws != null) wsName = ws.getName();
Icon icon = is.createAndSetIcon();
icon.setHref(
properties.href(
context.getMapContent().getRequest().getBaseUrl(), wsName, sld.getName()));
}
protected void setInlineIconStyle(
Style style,
org.geotools.styling.Style sld,
IconProperties properties,
KmlEncodingContext context) {
final String name = properties.getIconName(sld);
Map<String, org.geotools.styling.Style> iconStyles = context.getIconStyles();
if (!iconStyles.containsKey(name)) {
final org.geotools.styling.Style injectedStyle =
IconPropertyInjector.injectProperties(sld, properties.getProperties());
iconStyles.put(name, injectedStyle);
}
final Double scale = properties.getScale();
final String path = "icons/" + name + ".png";
IconStyle is = style.createAndSetIconStyle();
if (properties.getHeading() != null) {
is.setHeading(0.0);
}
if (scale != null) {
is.setScale(scale);
}
Icon icon = is.createAndSetIcon();
icon.setHref(path);
}
@Override
public KmlDecorator getDecorator(
Class<? extends Feature> featureClass, KmlEncodingContext context) {
if (Placemark.class.isAssignableFrom(featureClass) && context.isDescriptionEnabled()) {
return new PlacemarkNameDecorator();
} else {
return null;
}
}
/** Encodes a KML IconStyle from a point style and symbolizer. */
protected void setIconStyle(
Style style,
org.geotools.styling.Style sld,
IconProperties properties,
KmlEncodingContext context) {
if (context.isLiveIcons() || properties.isExternal()) {
setLiveIconStyle(style, sld, properties, context);
} else {
setInlineIconStyle(style, sld, properties, context);
}
}
public KmlDecorator getDecorator(
Class<? extends Feature> featureClass, KmlEncodingContext context) {
// this decorator makes sense only for WMS
if (!(context.getService() instanceof WMSInfo)) {
return null;
}
if (Placemark.class.isAssignableFrom(featureClass)) {
return new PlacemarkStyleDecorator();
} else {
return null;
}
}
@Override
public Feature decorate(Feature feature, KmlEncodingContext context) {
Placemark pm = (Placemark) feature;
// try with the template
SimpleFeature sf = context.getCurrentFeature();
String title = null;
try {
title = context.getTemplate().title(sf);
} catch (IOException e) {
String msg = "Error occured processing 'title' template.";
LOGGER.log(Level.WARNING, msg, e);
}
// if we got nothing, set the title to the ID, but also try the text symbolizers
if (title == null || "".equals(title)) {
title = sf.getID();
StringBuffer label = new StringBuffer();
for (Symbolizer sym : context.getCurrentSymbolizers()) {
if (sym instanceof TextSymbolizer) {
Expression e = SLD.textLabel((TextSymbolizer) sym);
String value = e.evaluate(feature, String.class);
if ((value != null) && !"".equals(value.trim())) {
label.append(value);
}
}
}
if (label.length() > 0) {
title = label.toString();
}
}
pm.setName(title);
return pm;
}
protected void setDefaultIconStyle(
Style style, SimpleFeature feature, KmlEncodingContext context) {
// figure out if line or polygon
boolean line =
feature.getDefaultGeometry() != null
&& (feature.getDefaultGeometry() instanceof LineString
|| feature.getDefaultGeometry() instanceof MultiLineString);
boolean poly =
feature.getDefaultGeometry() != null
&& (feature.getDefaultGeometry() instanceof Polygon
|| feature.getDefaultGeometry() instanceof MultiPolygon);
// Final pre-flight check
if (!line && !poly) {
LOGGER.log(
Level.FINER,
"Unexpectedly entered encodeDefaultIconStyle() "
+ "with something that does not have a multipoint geometry.");
return;
}
IconStyle is = style.createAndSetIconStyle();
// make transparent if they ask for attributes, since we'll have a label
if (context.isDescriptionEnabled()) {
is.setColor("00ffffff");
}
// if line or polygon scale the label
if (line || poly) {
is.setScale(0.4);
}
String imageURL =
"http://icons.opengeo.org/markers/icon-" + (poly ? "poly.1" : "line.1") + ".png";
Icon icon = is.createAndSetIcon();
icon.setHref(imageURL);
icon.setViewBoundScale(1);
}
