1 | package wmsplugin;
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2 |
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3 | import static org.openstreetmap.josm.tools.I18n.tr;
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4 |
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5 | import java.io.IOException;
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6 | import java.util.*;
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7 | import org.openstreetmap.josm.Main;
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8 | import org.openstreetmap.josm.actions.DownloadAction;
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9 | import org.openstreetmap.josm.gui.PleaseWaitRunnable;
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10 |
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11 |
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12 |
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13 | public class DownloadWMSTask extends PleaseWaitRunnable {
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14 |
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15 | private WMSLayer wmsLayer;
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16 | private double minlat, minlon, maxlat, maxlon;
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17 |
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18 | /* whether our layer was already added. */
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19 | private boolean layerAdded = false;
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20 |
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21 |
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22 | public DownloadWMSTask(String name, String wmsurl) {
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23 |
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24 | super(tr("Downloading " + name));
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25 |
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26 | // simply check if we already have a layer created. if not, create; if yes, reuse.
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27 |
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28 | if (wmsLayer == null) {
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29 |
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30 | if (wmsurl.matches("(?i).*layers=npeoocmap.*") || wmsurl.matches("(?i).*layers=npe.*") ){
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31 | //then we use the OSGBLayer
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32 | this.wmsLayer= new OSGBLayer(name, wmsurl);
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33 | } else {
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34 | this.wmsLayer = new WMSLayer(name, wmsurl);
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35 |
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36 | }
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37 | }
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38 | }
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39 |
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40 | @Override public void realRun() throws IOException {
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41 | wmsLayer.grab(minlat,minlon,maxlat,maxlon);
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42 | }
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43 |
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44 | @Override protected void finish() {
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45 |
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46 | // BUG if layer is deleted, wmsLayer is not null and layerAdded remains true!
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47 | // FIXED, see below
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48 |
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49 | layerAdded = false;
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50 | for (Iterator it = Main.map.mapView.getAllLayers().iterator(); it.hasNext(); ) {
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51 | Object element = it.next();
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52 |
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53 | if (element.equals(wmsLayer)) layerAdded = true;
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54 |
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55 | }
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56 |
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57 |
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58 | if ((wmsLayer != null) && (!layerAdded))
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59 | {
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60 | Main.main.addLayer(wmsLayer);
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61 | layerAdded = true;
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62 | }
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63 | }
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64 |
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65 | @Override protected void cancel() {
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66 | }
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67 |
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68 | public void download(DownloadAction action, double minlat, double minlon, double maxlat, double maxlon) {
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69 | this.minlat=minlat;
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70 | this.minlon=minlon;
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71 | this.maxlat=maxlat;
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72 | this.maxlon=maxlon;
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73 | Main.worker.execute(this);
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74 | }
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75 | }
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