EDIT

/**

 * Copyright (C) 2007 EDIT

 * European Distributed Institute of Taxonomy

 * http://www.e-taxonomy.eu

 *

 * The contents of this file are subject to the Mozilla Public License Version 1.1

 * See LICENSE.TXT at the top of this package for the full license terms.

 */

package eu.etaxonomy.taxeditor.ui.element;

import org.eclipse.jface.util.PropertyChangeEvent;

import org.eclipse.swt.widgets.Text;

import org.joda.time.Partial;

import eu.etaxonomy.cdm.common.CdmUtils;

import eu.etaxonomy.cdm.model.common.TimePeriod;

import eu.etaxonomy.cdm.strategy.parser.TimePeriodParser;

/**

 * <p>

 * DateDetailSection class.

 * </p>

 *

 * @author n.hoffmann

 * @created Mar 31, 2010

 * @version 1.0

 */

public class DateDetailSection extends AbstractFormSection<TimePeriod> {

	protected TextWithLabelElement text_freeText;

	private PartialElement partialElement_start;

	private PartialElement partialElement_end;

	private TextWithLabelElement text_parseText;

	private int cursorPosition;

	public int getCursorPosition() {

        return cursorPosition;

    }

    public void setCursorPosition(int cursorPosition) {

        this.cursorPosition = cursorPosition;

    }

    /**

	 * <p>

	 * Constructor for DateDetailSection.

	 * </p>

	 *

	 * @param formFactory

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

	 *            object.

	 * @param parentElement

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

	 *            object.

	 * @param style

	 *            a int.

	 */

	protected DateDetailSection(CdmFormFactory formFactory,

			ICdmFormElement parentElement, int style) {

		super(formFactory, parentElement, style);

		partialElement_start = formFactory.createPartialElement(this,

				"Start ", null, style);

		partialElement_end = formFactory.createPartialElement(this, "End ",

				null, style);

		setText_parseText(formFactory.createTextWithLabelElement(this, "Parse",

				null, style));

		getText_parseText().getMainControl().setLayoutData(

				LayoutConstants.FILL_HORIZONTALLY(6, 1));

		text_freeText = formFactory.createTextWithLabelElement(this,

				"Freetext", null, style);

		text_freeText.getMainControl().setLayoutData(

				LayoutConstants.FILL_HORIZONTALLY(6, 1));

		formFactory.addPropertyChangeListener(this);

	}

	@Override

	public TimePeriod getEntity() {

		if(super.getEntity() == null){

			setEntity(TimePeriod.NewInstance());

		}

		return super.getEntity();

	}

	/**

	 * <p>

	 * Setter for the field <code>timePeriod</code>.

	 * </p>

	 *

	 * @param timePeriod

	 *            a {@link eu.etaxonomy.cdm.model.common.TimePeriod} object.

	 */

	@Override

	public void setEntity(TimePeriod timePeriod) {

		setEntityInternally(timePeriod);

		updateTitle();

		getText_parseText().setText(timePeriod.toString());

	}

	/**

	 * When setting the entity through parsing we do not want to alter the parse field

	 * @param timePeriod

	 */

	protected void setEntityInternally(TimePeriod timePeriod){

		Partial start = timePeriod.getStart();

		partialElement_start.setPartial(start);

		Partial end = timePeriod.getEnd();

		partialElement_end.setPartial(end);

		((Text) getText_parseText().getMainControl()).setSelection(cursorPosition);

		text_freeText.setText(timePeriod.getFreeText());

		super.setEntity(timePeriod);

	}

	/** {@inheritDoc} */

	@Override

	public void propertyChange(PropertyChangeEvent event) {

		if (event == null) {

			return;

		}

		Object eventSource = event.getSource();

		if (getElements().contains(eventSource)) {

			if (event instanceof CdmPropertyChangeEvent) {

				if (((CdmPropertyChangeEvent) event).hasException()) {

					handleException((CdmPropertyChangeEvent) event);

					return;

				}

			}

			handleEvent(eventSource);

		}

	}

	/**

	 * @param event

	 */

	private void handleException(CdmPropertyChangeEvent event) {

		firePropertyChangeEvent(new CdmPropertyChangeEvent(this,

				event.getException()));

	}

	protected void handleEvent(Object eventSource) {

		if (eventSource == partialElement_start) {

			Partial start = partialElement_start.getPartial();

			getEntity().setStart(start);

		} else if (eventSource == partialElement_end) {

			Partial end = partialElement_end.getPartial();

			getEntity().setEnd(end);

		} else if (eventSource == getText_parseText()) {

			cursorPosition = ((Text) getText_parseText().getMainControl())

					.getCaretPosition();

			setEntityInternally(TimePeriodParser.parseString(getText_parseText().getText()));

		} else if (eventSource == text_freeText) {

			getEntity().setFreeText(text_freeText.getText());

		}

		updateTitle();

		firePropertyChangeEvent(new CdmPropertyChangeEvent(this, null));

	}

	protected void updateTitle(){

		String title = CdmUtils.Nz(getEntity().toString());

		this.setText(title);

		layout();

	}

	/*

	 * (non-Javadoc)

	 *

	 * @see eu.etaxonomy.taxeditor.forms.AbstractFormSection#dispose()

	 */

	/** {@inheritDoc} */

	@Override

	public void dispose() {

		formFactory.removePropertyChangeListener(this);

		super.dispose();

	}

    public TextWithLabelElement getText_parseText() {

        return text_parseText;

    }

    public void setText_parseText(TextWithLabelElement text_parseText) {

        this.text_parseText = text_parseText;

    }

}