StringEditor.java

/*
 * Copyright (c) 2012 Data Harmonisation Panel
 * 
 * All rights reserved. This program and the accompanying materials are made
 * available under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution. If not, see <http://www.gnu.org/licenses/>.
 * 
 * Contributors:
 *     HUMBOLDT EU Integrated Project #030962
 *     Data Harmonisation Panel <http://www.dhpanel.eu>
 */

package eu.esdihumboldt.hale.ui.common.editors;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;

import eu.esdihumboldt.hale.common.align.model.ParameterValue;
import eu.esdihumboldt.hale.ui.common.AttributeEditor;

/**
 * Simple attribute editor for string values.
 * 
 * @author Simon Templer
 * @partner 01 / Fraunhofer Institute for Computer Graphics Research
 */
public class StringEditor extends AbstractAttributeEditor<String> {

	private final Text text;

	/**
	 * Create a string attribute editor.
	 * 
	 * @param parent the parent composite
	 */
	public StringEditor(Composite parent) {
		text = new Text(parent, SWT.BORDER | SWT.SINGLE);

		text.addModifyListener(new ModifyListener() {

			@Override
			public void modifyText(ModifyEvent e) {
				fireValueChanged(VALUE, null, text.getText());
			}

		});
	}

	/**
	 * @see AttributeEditor#getAsText()
	 */
	@Override
	public String getAsText() {
		return getValue();
	}

	/**
	 * @see AttributeEditor#getControl()
	 */
	@Override
	public Control getControl() {
		return text;
	}

	/**
	 * @see AttributeEditor#getValue()
	 */
	@Override
	public String getValue() {
		return text.getText();
	}

	/**
	 * @see AttributeEditor#setAsText(String)
	 */
	@Override
	public void setAsText(String text) {
		setValue(text);
	}

	/**
	 * @see AttributeEditor#setValue(Object)
	 */
	@Override
	public void setValue(String value) {
		if (value == null) {
			// can't handle null value
			text.setText("");
		}
		text.setText(value);
	}

	/**
	 * @see AttributeEditor#isValid()
	 */
	@Override
	public boolean isValid() {
		return true;
	}

	/**
	 * @see eu.esdihumboldt.hale.ui.common.AttributeEditor#getValueType()
	 */
	@Override
	public String getValueType() {
		return ParameterValue.DEFAULT_TYPE;
	}
}