EDIT

package eu.etaxonomy.taxeditor.ui.element;

import java.util.Map;

import java.util.Map.Entry;

import org.eclipse.jface.viewers.IStructuredContentProvider;

import org.eclipse.jface.viewers.ITableLabelProvider;

import org.eclipse.jface.viewers.LabelProvider;

import org.eclipse.jface.viewers.TableViewer;

import org.eclipse.jface.viewers.TableViewerColumn;

import org.eclipse.jface.viewers.Viewer;

import org.eclipse.swt.SWT;

import org.eclipse.swt.graphics.Image;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Table;

import org.eclipse.ui.forms.widgets.TableWrapData;

/**

 * <p>KeyValueViewerElement class.</p>

 *

 * @author n.hoffmann

 */

public class KeyValueViewerElement extends AbstractCdmFormElement {

	private TableViewer tableViewer;

	private Label label;

	/**

	 * <p>Constructor for KeyValueViewerElement.</p>

	 *

	 * @param formFactory a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory} object.

	 * @param formElement a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement} object.

	 * @param keyHeading a {@link java.lang.String} object.

	 * @param valueHeading a {@link java.lang.String} object.

	 * @param map a {@link java.util.Map} object.

	 */

	public KeyValueViewerElement(CdmFormFactory formFactory,

			ICdmFormElement formElement, String keyHeading, String valueHeading, Map<Object, Object> map) {

		super(formFactory, formElement);

		label = formFactory.createLabel(getLayoutComposite(), "Meta Data");

		label.setLayoutData(LayoutConstants.FILL(2, 1));

		addControl(label);

		tableViewer = new TableViewer(formElement.getLayoutComposite(), SWT.MULTI | SWT.H_SCROLL

				| SWT.V_SCROLL | SWT.FULL_SELECTION);

		addControl(tableViewer.getControl());

		createColumns(tableViewer, keyHeading, valueHeading);

		TableWrapData layoutData = LayoutConstants.FILL(2, 1);

		layoutData.heightHint = 100;

		tableViewer.getControl().setLayoutData(layoutData);

		tableViewer.setContentProvider(new KeyValueContentProvider());

		tableViewer.setLabelProvider(new KeyValueLabelProvider());

		if(map != null){

			setInput(map);

		}

	}

	// This will create the columns for the table

	private void createColumns(TableViewer viewer, String keyHeading, String valueHeading) {

		Table table = viewer.getTable();

		String[] titles = {keyHeading, valueHeading};

		int[] bounds = { 100, 100};

		for (int i = 0; i < titles.length; i++) {

			TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);

			column.getColumn().setText(titles[i]);

			column.getColumn().setWidth(bounds[i]);

			column.getColumn().setResizable(true);

			column.getColumn().setMoveable(true);

		}

		table.setHeaderVisible(true);

		table.setLinesVisible(true);

	}

	/**

	 * <p>setInput</p>

	 *

	 * @param map a {@link java.util.Map} object.

	 */

	public void setInput(Map<? extends Object, ? extends Object> map) {

		tableViewer.setInput(map);

		tableViewer.refresh();

	}

	private class KeyValueContentProvider implements IStructuredContentProvider{

		@Override

        public Object[] getElements(Object inputElement) {

			if(inputElement instanceof Map){

				return ((Map) inputElement).entrySet().toArray();

			}

			return null;

		}

		@Override

        public void dispose() {}

		@Override

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

	}

	private class KeyValueLabelProvider extends LabelProvider implements ITableLabelProvider{

		@Override

        public Image getColumnImage(Object element, int columnIndex) {

			return null;

		}

		@Override

        public String getColumnText(Object element, int columnIndex) {

			if(element instanceof Entry){

				Entry<?,?> entry = (Entry<?,?>) element;

				switch(columnIndex){

				case 0:

					return entry.getKey().toString();

				case 1:

					return entry.getValue().toString();

				}

			}

			return element.toString();

		}

	}

}