1 files changed, 151 insertions, 0 deletions

diff --git a/examples/org.eclipse.equinox.p2.examples.rcp.discovery/src/org/eclipse/equinox/p2/examples/rcp/cloud/NavigationView.java b/examples/org.eclipse.equinox.p2.examples.rcp.discovery/src/org/eclipse/equinox/p2/examples/rcp/cloud/NavigationView.java
new file mode 100644
index 000000000..c58a55812
--- /dev/null
+++ b/examples/org.eclipse.equinox.p2.examples.rcp.discovery/src/org/eclipse/equinox/p2/examples/rcp/cloud/NavigationView.java
@@ -0,0 +1,151 @@
+package org.eclipse.equinox.p2.examples.rcp.cloud;
+
+import java.util.ArrayList;
+
+import org.eclipse.jface.viewers.IStructuredContentProvider;
+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.graphics.Image;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.ISharedImages;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.part.ViewPart;
+
+public class NavigationView extends ViewPart {
+	public static final String ID = "org.eclipse.equinox.p2.examples.rcp.cloud.navigationView";
+	private TreeViewer viewer;
+	 
+	class TreeObject {
+		private String name;
+		private TreeParent parent;
+		
+		public TreeObject(String name) {
+			this.name = name;
+		}
+		public String getName() {
+			return name;
+		}
+		public void setParent(TreeParent parent) {
+			this.parent = parent;
+		}
+		public TreeParent getParent() {
+			return parent;
+		}
+		public String toString() {
+			return getName();
+		}
+	}
+	
+	class TreeParent extends TreeObject {
+		private ArrayList children;
+		public TreeParent(String name) {
+			super(name);
+			children = new ArrayList();
+		}
+		public void addChild(TreeObject child) {
+			children.add(child);
+			child.setParent(this);
+		}
+		public void removeChild(TreeObject child) {
+			children.remove(child);
+			child.setParent(null);
+		}
+		public TreeObject[] getChildren() {
+			return (TreeObject[]) children.toArray(new TreeObject[children.size()]);
+		}
+		public boolean hasChildren() {
+			return children.size()>0;
+		}
+	}
+
+	class ViewContentProvider implements IStructuredContentProvider, 
+										   ITreeContentProvider {
+
+        public void inputChanged(Viewer v, Object oldInput, Object newInput) {
+		}
+        
+		public void dispose() {
+		}
+        
+		public Object[] getElements(Object parent) {
+			return getChildren(parent);
+		}
+        
+		public Object getParent(Object child) {
+			if (child instanceof TreeObject) {
+				return ((TreeObject)child).getParent();
+			}
+			return null;
+		}
+        
+		public Object[] getChildren(Object parent) {
+			if (parent instanceof TreeParent) {
+				return ((TreeParent)parent).getChildren();
+			}
+			return new Object[0];
+		}
+
+        public boolean hasChildren(Object parent) {
+			if (parent instanceof TreeParent)
+				return ((TreeParent)parent).hasChildren();
+			return false;
+		}
+	}
+	
+	class ViewLabelProvider extends LabelProvider {
+
+		public String getText(Object obj) {
+			return obj.toString();
+		}
+		public Image getImage(Object obj) {
+			String imageKey = ISharedImages.IMG_OBJ_ELEMENT;
+			if (obj instanceof TreeParent)
+			   imageKey = ISharedImages.IMG_OBJ_FOLDER;
+			return PlatformUI.getWorkbench().getSharedImages().getImage(imageKey);
+		}
+	}
+
+    /**
+     * We will set up a dummy model to initialize tree heararchy. In real
+     * code, you will connect to a real model and expose its hierarchy.
+     */
+    private TreeObject createDummyModel() {
+        TreeObject to1 = new TreeObject("Inbox");
+        TreeObject to2 = new TreeObject("Drafts");
+        TreeObject to3 = new TreeObject("Sent");
+        TreeParent p1 = new TreeParent("me@this.com");
+        p1.addChild(to1);
+        p1.addChild(to2);
+        p1.addChild(to3);
+
+        TreeObject to4 = new TreeObject("Inbox");
+        TreeParent p2 = new TreeParent("other@aol.com");
+        p2.addChild(to4);
+
+        TreeParent root = new TreeParent("");
+        root.addChild(p1);
+        root.addChild(p2);
+        return root;
+    }
+
+	/**
+     * This is a callback that will allow us to create the viewer and initialize
+     * it.
+     */
+	public void createPartControl(Composite parent) {
+		viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
+		viewer.setContentProvider(new ViewContentProvider());
+		viewer.setLabelProvider(new ViewLabelProvider());
+		viewer.setInput(createDummyModel());
+	}
+
+	/**
+	 * Passing the focus request to the viewer's control.
+	 */
+	public void setFocus() {
+		viewer.getControl().setFocus();
+	}
+}
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