X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=gis%2Fplugins%2Forg.argeo.gis.ui%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fgis%2Fui%2Fviews%2FLayersView.java;fp=gis%2Fplugins%2Forg.argeo.gis.ui%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fgis%2Fui%2Fviews%2FLayersView.java;h=56fb03fe1b11e6c00925331e25ed35de1048d9be;hb=77eaf70d8b929dab68211d6a01f68eeb71a1dceb;hp=0000000000000000000000000000000000000000;hpb=ab41c59dc92ba8bbc4b64f8f619ac30bfe4c4630;p=lgpl%2Fargeo-commons.git

diff --git a/gis/plugins/org.argeo.gis.ui/src/main/java/org/argeo/gis/ui/views/LayersView.java b/gis/plugins/org.argeo.gis.ui/src/main/java/org/argeo/gis/ui/views/LayersView.java
new file mode 100644
index 000000000..56fb03fe1
--- /dev/null
+++ b/gis/plugins/org.argeo.gis.ui/src/main/java/org/argeo/gis/ui/views/LayersView.java
@@ -0,0 +1,152 @@
+package org.argeo.gis.ui.views;
+
+import org.argeo.eclipse.ui.TreeParent;
+import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.jface.viewers.LabelProvider;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.IViewSite;
+import org.eclipse.ui.part.ViewPart;
+import org.geotools.map.MapContext;
+import org.geotools.map.MapLayer;
+import org.geotools.map.event.MapLayerListEvent;
+import org.geotools.map.event.MapLayerListListener;
+
+public class LayersView extends ViewPart implements MapLayerListListener {
+	public final static String ID = "org.argeo.gis.ui.layersView";
+
+	private TreeViewer viewer;
+
+	private MapContext mapContext;
+
+	@Override
+	public void createPartControl(Composite parent) {
+		viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
+		viewer.setContentProvider(new MapContextContentProvider());
+		viewer.setLabelProvider(new MapContextLabelProvider());
+		viewer.setInput(getViewSite());
+	}
+
+	public void setMapContext(MapContext mapContext) {
+		viewer.setInput(mapContext);
+		if (this.mapContext != null) {
+			this.mapContext.removeMapLayerListListener(this);
+		}
+		this.mapContext = mapContext;
+		this.mapContext.addMapLayerListListener(this);
+	}
+
+	/*
+	 * MAP LAYER LIST LISTENER
+	 */
+	public void layerAdded(MapLayerListEvent event) {
+		viewer.refresh();
+	}
+
+	public void layerRemoved(MapLayerListEvent event) {
+		viewer.refresh();
+	}
+
+	public void layerChanged(MapLayerListEvent event) {
+		viewer.refresh();
+	}
+
+	public void layerMoved(MapLayerListEvent event) {
+		viewer.refresh();
+	}
+
+	/*
+	 * VIEW
+	 */
+	@Override
+	public void setFocus() {
+		viewer.getTree().setFocus();
+	}
+
+	public void refresh() {
+		viewer.refresh();
+	}
+
+	private class MapContextContentProvider implements ITreeContentProvider {
+
+		public void dispose() {
+		}
+
+		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+		}
+
+		public Object[] getElements(Object inputElement) {
+			if (inputElement instanceof MapContext)
+				return new Object[] { new MapContextNode(
+						(MapContext) inputElement) };
+			else if (inputElement instanceof IViewSite)
+				return new Object[] {};
+			else
+				return getChildren(inputElement);
+		}
+
+		public Object[] getChildren(Object element) {
+			if (element instanceof MapContextNode) {
+				MapContextNode mapContextNode = (MapContextNode) element;
+				return mapContextNode.getMapContext().getLayers();
+			} else if (element instanceof MapLayer) {
+				// MapLayer mapLayer = (MapLayer) element;
+
+			} else if (element instanceof TreeParent) {
+				return ((TreeParent) element).getChildren();
+			}
+			return new Object[0];
+		}
+
+		public Object getParent(Object element) {
+			if (element instanceof TreeParent) {
+				return ((TreeParent) element).getParent();
+			}
+			return null;
+		}
+
+		public boolean hasChildren(Object element) {
+			if (element instanceof MapContextNode) {
+				return true;
+			} else if (element instanceof TreeParent) {
+				return ((TreeParent) element).hasChildren();
+			} else if (element instanceof MapLayer) {
+				return false;
+			}
+			return false;
+		}
+
+	}
+
+	private class MapContextLabelProvider extends LabelProvider {
+
+		@Override
+		public String getText(Object element) {
+			if (element instanceof MapLayer) {
+				MapLayer mapLayer = (MapLayer) element;
+				String title = mapLayer.getTitle();
+				if (title == null || title.trim().equals(""))
+					title = mapLayer.toString();
+				return title;
+			}
+			return super.getText(element);
+		}
+
+	}
+
+	private class MapContextNode extends TreeParent {
+		private MapContext mapContext;
+
+		public MapContextNode(MapContext mapContext) {
+			super("Map Context");
+			this.mapContext = mapContext;
+		}
+
+		public MapContext getMapContext() {
+			return mapContext;
+		}
+
+	}
+}