@Override
public void uploadStarted(final ClientFile clientFile, final InputStream in) throws Exception {
assert handler != null : "No handler set for Upload.";
// give the thread the proper session context (but outside UI thread)
sessionContext.execute(
new Callable() {
public Object call() throws Exception {
handler.uploadStarted(
clientFile,
new ProgressInputStream(in, clientFile.getName(), clientFile.getSize()));
return null;
}
});
}
@Override
public void sendContent(
OutputStream out, Range range, Map<String, String> params, String contentType)
throws IOException, BadRequestException {
WorkbenchState state = WorkbenchState.instance(SessionContext.current());
IMap map = state.getMap();
try {
JSONObject json = new JSONObject();
json.put("width", -1);
json.put("height", -1);
ReferencedEnvelope extent = map.getExtent();
json.put("minX", extent.getMinX());
json.put("minY", extent.getMinY());
json.put("maxX", extent.getMaxX());
json.put("maxY", extent.getMaxY());
out.write(json.toString(4).getBytes("UTF-8"));
} catch (JSONException e) {
throw new RuntimeException(e);
}
}
@Override
public void sendContent(
OutputStream out, Range range, Map<String, String> params, String contentType)
throws IOException, BadRequestException {
WorkbenchState state = WorkbenchState.instance(SessionContext.current());
try {
FeatureCollection features = state.getSelectedFeatures();
if (features != null) {
FeatureJSON encoder = new FeatureJSON();
encoder.setEncodeFeatureBounds(false);
encoder.setEncodeFeatureCollectionBounds(false);
encoder.setEncodeFeatureCollectionCRS(false);
encoder.setEncodeFeatureCRS(false);
encoder.writeFeatureCollection(features, out);
} else {
out.write("{\"type\": \"FeatureCollection\",\"features\": []}".getBytes("UTF-8"));
}
} catch (Exception e) {
log.debug("", e);
throw new RuntimeException(e);
}
}
@Override
public void sendContent(
OutputStream out, Range range, final Map<String, String> params, String rContentType)
throws IOException, BadRequestException {
final int width = params.containsKey("width") ? Integer.parseInt(params.get("width")) : 300;
final int height =
params.containsKey("height") ? Integer.parseInt(params.get("height")) : 300;
List<Job> jobs = new ArrayList();
final Map<ILayer, Image> images = new HashMap();
// run jobs for all layers
WorkbenchState state = WorkbenchState.instance(SessionContext.current());
final IMap map = state.getMap();
if (map != null) {
for (final ILayer layer : map.getLayers()) {
if (layer.isVisible()) {
UIJob job =
new UIJob(getClass().getSimpleName() + ": " + layer.getLabel()) {
protected void runWithException(IProgressMonitor monitor) throws Exception {
try {
IGeoResource res = layer.getGeoResource();
if (res == null) {
throw new RuntimeException(
"Unable to find geo resource of layer: " + layer);
}
IService service = res.service(null);
Pipeline pipeline =
pipelineIncubator.newPipeline(
LayerUseCase.IMAGE, layer.getMap(), layer, service);
if (pipeline.length() == 0) {
throw new RuntimeException(
"Unable to build processor pipeline for layer: " + layer);
}
// processor request
GetMapRequest request =
new GetMapRequest(
null, // layers
map.getCRSCode(),
map.getExtent(),
contentType,
width,
height,
-1);
// process request
pipeline.process(
request,
new ResponseHandler() {
public void handle(ProcessorResponse pipeResponse) throws Exception {
Image image = ((ImageResponse) pipeResponse).getImage();
images.put(layer, image);
}
});
} catch (Exception e) {
// XXX put a special image in the map
log.warn("", e);
images.put(layer, null);
throw e;
}
}
};
jobs.add(job);
job.schedule();
}
}
// join jobs
for (Job job : jobs) {
try {
job.join();
} catch (InterruptedException e) {
// XXX put a special image in the map
log.warn("", e);
}
}
}
// put images together (MapContext order)
Graphics2D g = null;
try {
// create image
BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
g = result.createGraphics();
// rendering hints
RenderingHints hints =
new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
hints.add(
new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON));
hints.add(
new RenderingHints(
RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON));
g.setRenderingHints(hints);
if (map == null) {
g.setFont(new Font("Serif", Font.PLAIN, 14));
g.setColor(Color.RED);
g.drawString("Melden Sie sich in der Workbench an, um hier eine Karte zu sehen!", 50, 50);
}
// FIXME honor layer.getOrderKey()
for (Map.Entry<ILayer, Image> entry : images.entrySet()) {
int rule = AlphaComposite.SRC_OVER;
float alpha = ((float) entry.getKey().getOpacity()) / 100;
g.setComposite(AlphaComposite.getInstance(rule, alpha));
g.drawImage(entry.getValue(), 0, 0, null);
}
// encode image
encodeImage(result, out);
} finally {
if (g != null) {
g.dispose();
}
}
}
@Override
public Date getModifiedDate() {
WorkbenchState state = WorkbenchState.instance(SessionContext.current());
return state.getMapModified();
}
/** @author <a href="http://www.polymap.de">Falko Bräutigam</a> */
public class Upload extends Composite implements IUploadHandler {
private static Log log = LogFactory.getLog(Upload.class);
public static final int SHOW_UPLOAD_BUTTON = 1;
public static final int SHOW_PROGRESS = 2;
private static final IMessages i18n = Messages.forPrefix("Upload");
private FileUpload fileUpload;
private ProgressBar progress;
private Label progressLabel;
private IUploadHandler handler;
private SessionContext sessionContext = SessionContext.current();
private Display display = getDisplay();
public Upload(Composite parent, int style, int... uploadStyles) {
super(parent, style);
setLayout(FormLayoutFactory.defaults().create());
fileUpload = new FileUpload(this, SWT.NONE);
fileUpload.setLayoutData(FormDataFactory.filled().create());
fileUpload.setText(i18n.get("select"));
fileUpload.setData(RWT.TOOLTIP_MARKUP_ENABLED, Boolean.TRUE);
setData(RWT.TOOLTIP_MARKUP_ENABLED, Boolean.TRUE);
fileUpload.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent ev) {
UIUtils.activateCallback("upload");
fileUpload.submit(UploadService.registerHandler(Upload.this));
}
});
if (ArrayUtils.contains(uploadStyles, SHOW_UPLOAD_BUTTON)) {
log.info("SHOW_UPLOAD_BUTTON is not supported yet.");
}
if (ArrayUtils.contains(uploadStyles, SHOW_PROGRESS)) {
fileUpload.setLayoutData(FormDataFactory.filled().noRight().create());
progress = new ProgressBar(this, SWT.HORIZONTAL);
progress.setLayoutData(FormDataFactory.filled().left(fileUpload).create());
progress.setMaximum(Integer.MAX_VALUE);
progressLabel = new Label(this, SWT.NONE);
progressLabel.setLayoutData(FormDataFactory.filled().top(0, 5).left(fileUpload, 20).create());
progressLabel.setText(i18n.get("progressLabel"));
log.warn("not yet ported: progressLabel.setForeground( new Color( 0x60, 0x60, 0x60 ) ) ");
progressLabel.moveAbove(progress);
}
}
@Override
public void dispose() {
super.dispose();
UploadService.removeHandler(Upload.this);
UIUtils.deactivateCallback("upload");
}
public IUploadHandler getHandler() {
return handler;
}
public Upload setText(String text) {
fileUpload.setText(text);
return this;
}
public Upload setImage(Image image) {
fileUpload.setImage(image);
return this;
}
public Upload setHandler(IUploadHandler handler) {
this.handler = handler;
return this;
}
@Override
public void uploadStarted(final ClientFile clientFile, final InputStream in) throws Exception {
assert handler != null : "No handler set for Upload.";
// give the thread the proper session context (but outside UI thread)
sessionContext.execute(
new Callable() {
public Object call() throws Exception {
handler.uploadStarted(
clientFile,
new ProgressInputStream(in, clientFile.getName(), clientFile.getSize()));
return null;
}
});
}
/** */
class ProgressInputStream extends FilterInputStream {
private String name;
private long count = 0;
private long contentLength;
private ProgressInputStream(InputStream in, String name, long contentLength) {
super(in);
this.name = name;
this.contentLength = contentLength > 0 ? contentLength : 10 * 1024 * 1024;
}
@Override
public int read() throws IOException {
throw new RuntimeException("not implemented.");
}
@Override
public int read(byte[] b, int off, int len) throws IOException {
final int result = super.read(b, off, len);
// try { Thread.sleep( 1000 ); } catch (InterruptedException e) {}
if (progress != null && !progress.isDisposed()) {
display.asyncExec(
new Runnable() {
public void run() {
count += result;
// init maximum (inside UI thread)
if (progress.getMaximum() == Integer.MAX_VALUE) {
progress.setMaximum((int) contentLength);
}
if (result == -1) {
progress.setSelection(progress.getMaximum());
UIUtils.deactivateCallback("upload");
} else {
progress.setSelection((int) count);
}
// adjust contentLength
if (count >= contentLength) {
contentLength = count * 2;
progress.setMaximum((int) contentLength);
}
// int percent = 100 * progress.getSelection() / progress.getMaximum();
progressLabel.setText(
name
+ " ("
+ FileUtils.byteCountToDisplaySize(count)
/*+ " - " + percent + "%"*/ + ")");
}
});
}
return result;
}
}
}
