tests/org.eclipse.ui.tests/Eclipse UI Tests/org/eclipse/ui/tests/markers/ResourceMappingTestView.java

package org.eclipse.ui.tests.markers;

import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.viewers.IContentProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.part.ViewPart;
import org.eclipse.ui.tests.TestPlugin;

public class ResourceMappingTestView extends ViewPart implements IViewPart {

	private TreeViewer viewer;

	public ResourceMappingTestView() {
		super();
	}

	public void createPartControl(Composite parent) {
		viewer = new TreeViewer(parent);
		viewer.getTree().setLayoutData(
				new GridData(SWT.FILL, SWT.FILL, true, true));

		viewer.setLabelProvider(new LabelProvider() {
			public String getText(Object element) {
				return ((TestResourceMapping) element).getName();
			}
		});

		viewer.setContentProvider(getContentProvider());
		viewer.setInput(new TestResourceMapping(TestPlugin.getWorkspace()
				.getRoot()));
	}

	private IContentProvider getContentProvider() {
		return new ITreeContentProvider() {

			public Object[] getChildren(Object parentElement) {
				return ((TestResourceMapping) parentElement).getChildren();
			}

			public Object getParent(Object element) {
				return ((TestResourceMapping) element).getParent();
			}

			public boolean hasChildren(Object element) {
				return ((TestResourceMapping) element).getChildren().length > 0;
			}

			public Object[] getElements(Object inputElement) {
				return ((TestResourceMapping) inputElement).getChildren();
			}

			public void dispose() {

			}

			public void inputChanged(Viewer viewer, Object oldInput,
					Object newInput) {

			}

		};
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.part.WorkbenchPart#setFocus()
	 */
	public void setFocus() {
		viewer.setSelection(new StructuredSelection(new TestResourceMapping(
				TestPlugin.getWorkspace().getRoot())));
	}

	public void addMarkerToFirstProject() {
		
		TestResourceMapping top = ((TestResourceMapping) viewer.getInput());
		IResource element = top.getChildren()[0].element;
		
		try {
			element.createMarker("org.eclipse.core.resources.problemmarker");
		} catch (CoreException e) {
			return;
		}

		
		
	}
}