/**
* This transforms all external graphics references that are relative to absolute. This is a
* workaround to be able to visualize png and svg in relative mode, which doesn't work right now
* in geotools. See: http://jira.codehaus.org/browse/GEOT-3235
*
* <p>This will not be necessary any more as soon as the geotools bug is fixed.
*
* @param relatedFile the related shapefile.
* @param style the style to check.
*/
private void makeGraphicsAbsolute(File relatedFile, Style style) {
File parentFolder = relatedFile.getParentFile();
Rule[] rules = SLDs.rules(style);
for (Rule rule : rules) {
Symbolizer[] onlineResource = rule.getSymbolizers();
for (Symbolizer symbolizer : onlineResource) {
if (symbolizer instanceof PointSymbolizer) {
PointSymbolizer pointSymbolizer = (PointSymbolizer) symbolizer;
Graphic graphic = SLDs.graphic(pointSymbolizer);
List<GraphicalSymbol> graphicalSymbols = graphic.graphicalSymbols();
for (GraphicalSymbol graphicalSymbol : graphicalSymbols) {
if (graphicalSymbol instanceof ExternalGraphic) {
ExternalGraphic externalGraphic = (ExternalGraphic) graphicalSymbol;
try {
URL location = externalGraphic.getLocation();
File urlToFile = URLUtils.urlToFile(location);
if (urlToFile != null && !urlToFile.exists()) {
File newFile = new File(parentFolder, urlToFile.getPath());
if (newFile.exists()) {
externalGraphic.setLocation(newFile.toURI().toURL());
}
}
} catch (MalformedURLException e) {
e.printStackTrace();
}
}
}
}
}
}
}
private void setStylingElements(RasterSymbolizer symbolizer) {
double number = SLDs.rasterOpacity(symbolizer);
int opacity = (new Double(number * 100)).intValue();
opacityScale.setSelection(opacity);
opacityText.setText(Integer.toString(opacity) + "%"); // $NON-NLS-1$
opacityText.pack(true);
}
private boolean isPointStyle(Style style) {
Symbolizer[] symbolizers = SLDs.symbolizers(style);
for (Symbolizer symbolizer : symbolizers) {
if (symbolizer instanceof PointSymbolizer) {
return true;
}
}
return false;
}
public Object[] getChildren(Object parentElement) {
if (parentElement == null) return EMPTY_ARRAY;
if (parentElement instanceof Style) {
Style style = (Style) parentElement;
Rule[] rule = SLDs.rules(style);
return rule; // return rules
} else if (parentElement instanceof FeatureTypeStyle) {
FeatureTypeStyle fts = (FeatureTypeStyle) parentElement;
List<Rule> rules = fts.rules();
Rule[] rulesArray = (Rule[]) rules.toArray(new Rule[rules.size()]);
return rulesArray;
}
return EMPTY_ARRAY;
}
// XXX: Consider doing more SLD when WMS post is a go
public boolean canStyle(String SyleID, Object value) {
if (value == null) return false;
if (value instanceof Style) return !Double.isNaN(SLDs.rasterOpacity((Style) value));
if (value instanceof StyleImpl && getRenderContext().getGeoResource().canResolve(Layer.class)) {
try {
Layer layer =
getRenderContext()
.getGeoResource()
.resolve(Layer.class, ProgressManager.instance().get());
if (layer.getStyles().contains(value)) {
return true;
} else {
return false;
}
} catch (IOException e) {
return false;
}
}
return false;
}
/**
* Start editing the provided symbolizer.
*
* @param schema
* @param sym
* @param mode
*/
public void set(SimpleFeatureType schema, TextSymbolizer sym, Mode mode) {
listen(false);
try {
this.schema = schema;
this.enabled = (mode != Mode.NONE && sym != null);
this.font = SLDs.textFont(sym);
if (this.font == null || this.font.length == 0) {
this.font = new FontData[] {new FontData("Arial", 12, SWT.NORMAL)}; // $NON-NLS-1$
}
this.labelType = SLDs.textLabelString(sym);
this.colour = SLDs.textFontFill(sym);
if (this.colour == null) {
this.colour = Color.BLACK;
}
this.on.setEnabled(mode != Mode.NONE);
this.fonter.setColorValue(this.colour);
this.fonter.setFontList(this.font);
if (schema != null) {
AttributeDescriptor[] attrs =
schema.getAttributeDescriptors().toArray(new AttributeDescriptor[0]);
List<String> list = new ArrayList<String>();
for (int i = 0; i < attrs.length; i++) {
Class cls = attrs[i].getType().getBinding();
if (String.class.isAssignableFrom(cls)) {
list.add(attrs[i].getName().getLocalPart());
} else if (Number.class.isAssignableFrom(cls)) {
list.add(attrs[i].getName().getLocalPart());
}
}
this.field.removeAll();
this.field.setItems(list.toArray(new String[0]));
if (this.labelType == null) {
this.field.select(0);
} else {
this.field.setText(this.labelType);
}
}
this.on.setSelection(this.enabled);
this.field.setEnabled(this.enabled);
this.fonter.setEnabled(this.enabled);
if (schema != null && (SLD.isLine(schema) == pointPlacement || this.place == null)) {
pointPlacement = !SLD.isLine(schema);
if (pointPlacement) {
initPlacementContentsPoint();
} else {
initPlacementContentsLine();
}
}
this.place.setEnabled(this.enabled);
if (pointPlacement) {
// PointPlacement
this.place2.setEnabled(this.enabled);
this.place3.setEnabled(this.enabled);
if (this.labelPlacement == null || !(this.labelPlacement instanceof PointPlacement)) {
// defaults
if (mode == Mode.POINT) {
// don't cover the point!
this.place.select(2); // top
this.place2.select(2); // right
} else {
this.place.select(1); // middle
this.place2.select(1); // center
}
this.place3.select(0); // 0 degrees rotation
} else {
AnchorPoint anchor = ((PointPlacement) labelPlacement).getAnchorPoint();
String anchorX = anchor.getAnchorPointX().toString();
String anchorY = anchor.getAnchorPointY().toString();
// use labels if 0, 0.5, or 1, otherwise use value for align
if (anchorX.equals(Double.toString(SLDs.ALIGN_LEFT))) {
this.place2.select(0);
} else if (anchorX.equals(Double.toString(SLDs.ALIGN_CENTER))) {
this.place2.select(1);
} else if (anchorX.equals(Double.toString(SLDs.ALIGN_RIGHT))) {
this.place2.select(2);
} else {
this.place2.setText(anchorX);
}
if (anchorY.equals(Double.toString(SLDs.ALIGN_BOTTOM))) {
this.place.select(0);
} else if (anchorY.equals(Double.toString(SLDs.ALIGN_MIDDLE))) {
this.place.select(1);
} else if (anchorY.equals(Double.toString(SLDs.ALIGN_TOP))) {
this.place.select(2);
} else {
this.place.setText(anchorY);
}
// rotation
this.place3.setText(((PointPlacement) labelPlacement).getRotation().toString());
}
} else {
// LinePlacement
if (this.labelPlacement == null || !(this.labelPlacement instanceof LinePlacement)) {
// defaults
this.place.setText(
ProjectPlugin.getPlugin()
.getPreferenceStore()
.getString(PreferenceConstants.P_STYLE_DEFAULT_PERPENDICULAR_OFFSET));
} else {
String offset = ((LinePlacement) labelPlacement).getPerpendicularOffset().toString();
this.place.setText(offset);
}
}
} finally {
listen(true);
}
}
public boolean canAddLayer(ILayer layer) {
if (!layer.hasResource(Layer.class)) return false;
try {
if (!layer
.findGeoResource(Layer.class)
.parent(ProgressManager.instance().get())
.equals(getRenderContext().getGeoResource().parent(ProgressManager.instance().get())))
return false;
} catch (IOException e2) {
return false;
}
double opacity = Double.NaN;
ICompositeRenderContext context1 = (ICompositeRenderContext) context;
IRenderContext[] contexts =
context1.getContexts().toArray(new IRenderContext[context1.getContexts().size()]);
Arrays.sort(contexts);
List<Layer> owsLayers = new ArrayList<Layer>();
IService currentService;
try {
owsLayers.add(layer.getResource(Layer.class, new NullProgressMonitor()));
currentService = layer.getResource(IService.class, null);
} catch (IOException e1) {
WMSPlugin.log("", e1); // $NON-NLS-1$
return false;
}
for (IRenderContext renderContext : contexts) {
ILayer previousLayer = renderContext.getLayer();
try {
owsLayers.add(previousLayer.getResource(Layer.class, new NullProgressMonitor()));
IService previousService = previousLayer.getResource(IService.class, null);
if (currentService != previousService) {
return false;
}
} catch (IOException e) {
WMSPlugin.log("Error while retrieving service.", e); // $NON-NLS-1$
return false;
}
if (BasicWMSRenderer2.findRequestCRS(owsLayers, context.getCRS(), context.getMap()) == null)
return false;
Style style = (Style) previousLayer.getStyleBlackboard().get(SLDContent.ID);
if (style != null) {
opacity = SLDs.rasterOpacity(SLDs.rasterSymbolizer(style));
}
}
Style style = (Style) layer.getStyleBlackboard().get(SLDContent.ID);
if (style == null && Double.isNaN(opacity)) {
return true;
}
double result = SLDs.rasterOpacity(SLDs.rasterSymbolizer(style));
if (result == opacity) {
return true;
}
return false;
}