Improve JavaScript project structure

[gpl/argeo-suite.git] / swt / org.argeo.app.geo.swt / src / org / argeo / app / geo / swt / SwtMapPart.java

diff --git a/swt/org.argeo.app.geo.swt/src/org/argeo/app/geo/swt/SwtMapPart.java b/swt/org.argeo.app.geo.swt/src/org/argeo/app/geo/swt/SwtMapPart.java
new file mode 100644 (file)
index 0000000..f063e5a
--- /dev/null
+++ b/swt/org.argeo.app.geo.swt/src/org/argeo/app/geo/swt/SwtMapPart.java
@@ -0,0 +1,100 @@
+package org.argeo.app.geo.swt;
+
+import java.util.concurrent.CompletableFuture;
+
+import org.argeo.app.geo.ux.JsImplementation;
+import org.argeo.app.geo.ux.MapPart;
+import org.argeo.cms.swt.CmsSwtUtils;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.browser.Browser;
+import org.eclipse.swt.browser.ProgressEvent;
+import org.eclipse.swt.browser.ProgressListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Composite;
+
+public class SwtMapPart extends Composite implements MapPart {
+       static final long serialVersionUID = 2713128477504858552L;
+       private Browser browser;
+
+       // private CompletableFuture<Boolean> renderCompleted = new
+       // CompletableFuture<>();
+       private CompletableFuture<Boolean> pageLoaded = new CompletableFuture<>();
+
+       private String jsImplementation = JsImplementation.OPENLAYERS_MAP_PART.getJsClass();
+       private String mapVar = "globalThis.argeoMap";
+
+       public SwtMapPart(Composite parent, int style) {
+               super(parent, style);
+               parent.setLayout(CmsSwtUtils.noSpaceGridLayout());
+               setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+               setLayout(CmsSwtUtils.noSpaceGridLayout());
+               browser = new Browser(this, SWT.BORDER);
+               browser.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+               // functions exposed to JavaScript
+//             new onRenderComplete();
+               browser.setUrl("/pkg/org.argeo.app.geo.js/index.html");
+               browser.addProgressListener(new ProgressListener() {
+                       static final long serialVersionUID = 1L;
+
+                       @Override
+                       public void completed(ProgressEvent event) {
+
+                               // create map
+                               browser.execute(mapVar + " = new " + jsImplementation + "();");
+
+                               // browser.execute("console.log(myInstance.myField)");
+                               pageLoaded.complete(true);
+                       }
+
+                       @Override
+                       public void changed(ProgressEvent event) {
+                       }
+               });
+       }
+
+       @Override
+       public void addPoint(Double lng, Double lat) {
+               // TODO Auto-generated method stub
+
+       }
+
+       @Override
+       public void addUrlLayer(String layer, Format format) {
+               // TODO Auto-generated method stub
+
+       }
+
+       @Override
+       public void setZoom(int zoom) {
+               pageLoaded.thenAccept((b) -> {
+                       browser.evaluate(mapVar + ".setZoom(" + zoom + ")");
+               });
+       }
+
+       @Override
+       public void setCenter(Double lng, Double lat) {
+               pageLoaded.thenAccept((b) -> {
+                       browser.evaluate(mapVar + ".setCenter(" + lng + ", " + lat + ")");
+               });
+
+       }
+
+//     private void setRenderCompleted() {
+//             renderCompleted.complete(true);
+//     }
+//
+//     private class onRenderComplete extends BrowserFunction {
+//
+//             onRenderComplete() {
+//                     super(browser, onRenderComplete.class.getSimpleName());
+//             }
+//
+//             @Override
+//             public Object function(Object[] arguments) {
+//                     setRenderCompleted();
+//                     System.out.println("Render complete (Java)");
+//                     return null;
+//             }
+//
+//     }
+}