+++ /dev/null
-package org.argeo.support.openlayers;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.URL;
-import java.nio.charset.StandardCharsets;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import javax.jcr.Node;
-import javax.jcr.RepositoryException;
-
-import org.apache.commons.io.IOUtils;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.api.NodeConstants;
-import org.argeo.cms.ui.CmsView;
-import org.argeo.cms.ui.util.CmsUiUtils;
-import org.argeo.entity.EntityNames;
-import org.argeo.entity.EntityType;
-import org.argeo.suite.ui.SuiteEvent;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.browser.Browser;
-import org.eclipse.swt.browser.BrowserFunction;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.widgets.Composite;
-
-/** Display a map. */
-public class OpenLayersMap extends Composite {
- private static final long serialVersionUID = 1055893020490283622L;
-
- private final static Log log = LogFactory.getLog(OpenLayersMap.class);
-
- private Browser browser;
- private boolean renderCompleted = false;
-
- private Double centerLng = null, centerLat = null;
- private Integer zoom = null;
- private String vectorSource = null;
- private String gpxSource = null;
-
- private String vectorSourceStyle;
-
- private List<String> geoJsonSources = new ArrayList<>();
- private Map<String, String> vectorSources = new HashMap<>();
- private Map<String, String> layerStyles = new HashMap<>();
-
- private CmsView cmsView;
-
- public OpenLayersMap(Composite parent, int style, URL mapHtml) {
- super(parent, style);
- cmsView = CmsView.getCmsView(parent);
- setLayout(new GridLayout());
-
- browser = new Browser(this, SWT.BORDER);
- browser.setLayoutData(CmsUiUtils.fillAll());
- String html;
- try (InputStream in = mapHtml.openStream()) {
- html = IOUtils.toString(in, StandardCharsets.UTF_8);
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- new RenderCompleted(browser, "renderCompleted");
- new OnFeatureSelect(browser, "onFeatureSelect");
- new OnFeatureUnselect(browser, "onFeatureUnselect");
- new OnFeatureClick(browser, "onFeatureClick");
- browser.setText(html);
- }
-
- public void setCenter(Double lng, Double lat) {
- if (isRenderCompleted())
- browser.evaluate("map.getView().setCenter(ol.proj.fromLonLat([" + lng + ", " + lat + "]))");
- this.centerLat = lat;
- this.centerLng = lng;
- }
-
- public synchronized void setRenderCompleted(boolean renderCompleted) {
- this.renderCompleted = renderCompleted;
- notifyAll();
- }
-
- public synchronized boolean isRenderCompleted() {
- return renderCompleted;
- }
-
- @Override
- public synchronized void dispose() {
- long timeout = 500;
- long begin = System.currentTimeMillis();
- while (!isRenderCompleted() && ((System.currentTimeMillis() - begin) < timeout)) {
- try {
- wait(50);
- } catch (InterruptedException e) {
- // silent
- }
- }
- super.dispose();
- }
-
- public void setZoom(int zoom) {
- if (isRenderCompleted())
- browser.evaluate("map.getView().setZoom(" + zoom + ")");
- this.zoom = zoom;
- }
-
- protected String asVectorSource(List<Node> geoPoints) throws RepositoryException {
- boolean first = true;
- StringBuffer sb = new StringBuffer("new ol.source.Vector({ features: [");
- for (int i = 0; i < geoPoints.size(); i++) {
- Node node = geoPoints.get(i);
- if (node.isNodeType(EntityType.geopoint.get())) {
- if (first)
- first = false;
- else
- sb.append(",");
- Double lng = node.getProperty(EntityNames.GEO_LONG).getDouble();
- Double lat = node.getProperty(EntityNames.GEO_LAT).getDouble();
- sb.append("new ol.Feature({ geometry:");
- sb.append("new ol.geom.Point(ol.proj.fromLonLat([");
- sb.append(lng).append(',').append(lat);
- sb.append("]))");
- sb.append(",path:\"").append(node.getPath()).append("\"");
- sb.append(",name:\"").append(node.getName()).append("\"");
- String entityType = null;
- if (node.isNodeType(EntityType.local.get())) {
- entityType = node.getProperty(EntityNames.ENTITY_TYPE).getString();
- sb.append(", type:'").append(entityType).append("'");
- }
- sb.append("})");
- }
- }
- sb.append("]");
- sb.append(" })");
- return sb.toString();
- }
-
- public void addPoints(List<Node> geoPoints) throws RepositoryException {
- this.vectorSource = asVectorSource(geoPoints);
- if (log.isTraceEnabled())
- log.trace("Vector source: " + vectorSource);
- renderVectorSource();
- }
-
- public void addPoints(String layerName, List<Node> geoPoints, String style) throws RepositoryException {
- this.vectorSources.put(layerName, asVectorSource(geoPoints));
- if (style != null) {
- layerStyles.put(layerName, style);
- }
- renderVectorSources();
- }
-
- protected void renderVectorSource() {
- if (vectorSource == null)
- return;
- if (isRenderCompleted()) {
-// String style = ", style: new ol.style.Style({ image: new ol.style.Icon({ src: '/pkg/org.djapps.on.openheritage.ui/map_oc.png' }) })";
- String style = vectorSourceStyle != null ? ", style: " + vectorSourceStyle : "";
-// String style = "";
- String toEvaluate = "map.addLayer(new ol.layer.Vector({ source: " + vectorSource + style + "}));";
-// System.out.println(toEvaluate);
- browser.execute(toEvaluate);
- }
- }
-
- protected void renderVectorSources() {
- if (vectorSources.isEmpty())
- return;
- if (isRenderCompleted()) {
- StringBuilder toExecute = new StringBuilder();
- for (String name : vectorSources.keySet()) {
- String style = layerStyles.containsKey(name) ? ", style: " + layerStyles.get(name) : "";
- String toEvaluate = "map.addLayer(new ol.layer.Vector({ source: " + vectorSources.get(name) + style
- + ",name: '" + name + "'}));";
- toExecute.append(toEvaluate);
- }
- System.out.println(toExecute);
- browser.execute(toExecute.toString());
- }
- }
-
- public void addPoint(Double lng, Double lat) {
- this.vectorSource = "new ol.source.Vector({ features: [ new ol.Feature({ geometry:"
- + " new ol.geom.Point(ol.proj.fromLonLat([" + lng + ", " + lat + "])) }) ] })";
-// if (renderCompleted) {
-// browser.evaluate(
-// "map.addLayer(new ol.layer.Vector({ source: new ol.source.Vector({ features: [ new ol.Feature({ geometry:"
-// + " new ol.geom.Point(ol.proj.fromLonLat([" + lng + ", " + lat + "])) }) ] }) }));");
-// }
- renderVectorSource();
- }
-
- public void addGpx(String path) {
- this.gpxSource = "new ol.source.Vector({ url: '" + path + "', format: new ol.format.GPX() })";
- renderGpxSource();
- }
-
- protected void renderGpxSource() {
- if (gpxSource == null)
- return;
- if (isRenderCompleted())
- browser.evaluate("map.addLayer(new ol.layer.Vector({ source: " + gpxSource + "}));");
- }
-
- public void addGeoJson(String path) {
- String geoJsonSource = "new ol.source.Vector({ url: '" + path + "', format: new ol.format.GeoJSON() })";
- geoJsonSources.add(geoJsonSource);
- renderGeoJsonSources();
- }
-
- protected void renderGeoJsonSources() {
- if (geoJsonSources.isEmpty())
- return;
- if (isRenderCompleted()) {
- for (String geoJson : geoJsonSources) {
- browser.evaluate("map.addLayer(new ol.layer.Vector({ source: " + geoJson + "}));");
- }
- }
- }
-
- public void setVectorSourceStyle(String vectorSourceStyle) {
- this.vectorSourceStyle = vectorSourceStyle;
- }
-
- private class RenderCompleted extends BrowserFunction {
-
- RenderCompleted(Browser browser, String name) {
- super(browser, name);
- }
-
- @Override
- public Object function(Object[] arguments) {
- try {
- if (!isRenderCompleted()) {
- setRenderCompleted(true);
- if (zoom != null)
- setZoom(zoom);
- if (centerLat != null && centerLng != null) {
- setCenter(centerLng, centerLat);
- }
- if (!geoJsonSources.isEmpty())
- renderGeoJsonSources();
- if (gpxSource != null)
- renderGpxSource();
- if (vectorSource != null)
- renderVectorSource();
- if (!vectorSources.isEmpty())
- renderVectorSources();
- }
- return null;
- } catch (Exception e) {
- log.error("Cannot render map", e);
- return null;
- }
- }
- }
-
- private class OnFeatureSelect extends BrowserFunction {
-
- OnFeatureSelect(Browser browser, String name) {
- super(browser, name);
- }
-
- @Override
- public Object function(Object[] arguments) {
- if (arguments.length == 0)
- return null;
- String path = arguments[0].toString();
- Map<String, Object> properties = new HashMap<>();
- properties.put(SuiteEvent.NODE_PATH, path);
- properties.put(SuiteEvent.WORKSPACE, NodeConstants.SYS_WORKSPACE);
- cmsView.sendEvent(SuiteEvent.refreshPart.topic(), properties);
- return null;
- }
- }
-
- private class OnFeatureUnselect extends BrowserFunction {
-
- OnFeatureUnselect(Browser browser, String name) {
- super(browser, name);
- }
-
- @Override
- public Object function(Object[] arguments) {
- return null;
- }
- }
-
- private class OnFeatureClick extends BrowserFunction {
-
- OnFeatureClick(Browser browser, String name) {
- super(browser, name);
- }
-
- @Override
- public Object function(Object[] arguments) {
- return null;
- }
- }
-}
projects / gpl / argeo-suite.git / blobdiff