EDIT

// $Id$

/**

 * 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.section.classification;

import org.eclipse.jface.util.PropertyChangeEvent;

import org.eclipse.swt.SWT;

import org.eclipse.swt.widgets.Event;

import org.eclipse.swt.widgets.Listener;

import eu.etaxonomy.cdm.api.conversation.ConversationHolder;

import eu.etaxonomy.cdm.model.name.NonViralName;

import eu.etaxonomy.cdm.model.reference.Reference;

import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;

import eu.etaxonomy.cdm.model.taxon.Taxon;

import eu.etaxonomy.taxeditor.newWizard.IWizardPageListener;

import eu.etaxonomy.taxeditor.parser.ParseHandler;

import eu.etaxonomy.taxeditor.ui.element.AbstractCdmEntityWizardPage;

import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;

import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;

/**

 * <p>

 * TaxonNodeWizardPage class.

 * </p>

 *

 * @author n.hoffmann

 * @created Sep 15, 2009

 * @version 1.0

 */

public class TaxonNodeWizardPage extends AbstractCdmEntityWizardPage<ITaxonTreeNode> implements Listener{

    private final IWizardPageListener wizardPageListener;

    private final boolean isCreateNew;

    /**

	 * <p>

	 * Constructor for TaxonNodeWizardPage.

	 * </p>

	 *

	 * @param formFactory

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

	 *            object.

	 * @param conversation

	 *            a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder}

	 *            object.

	 * @param entity

	 *            a {@link eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode} object.

     * @param closeOnEnterListener

	 */

	public TaxonNodeWizardPage(CdmFormFactory formFactory,

			ConversationHolder conversation, ITaxonTreeNode entity, IWizardPageListener closeOnEnterListener, boolean isCreateNew) {

		super(formFactory, conversation, entity);

		this.wizardPageListener = closeOnEnterListener;

		setTitle("Edit taxon node");

		this.isCreateNew = isCreateNew;

	}

	/*

	 * (non-Javadoc)

	 *

	 * @see

	 * eu.etaxonomy.taxeditor.forms.AbstractCdmEntityWizardPage#createElement

	 * (eu.etaxonomy.taxeditor.forms.ICdmFormElement)

	 */

	/** {@inheritDoc} */

	@Override

	public TaxonNodeDetailElement createElement(ICdmFormElement rootElement) {

	    TaxonNodeDetailElement detailElement = formFactory.createTaxonNodeDetailElement(rootElement, this.isCreateNew);

		detailElement.setEntity(entity);

		formFactory.addPropertyChangeListener(this);

		if (isCreateNew){

		    detailElement.getMainControl().addListener(SWT.KeyDown, this);

		}

		return detailElement;

	}

	/**

	 * <p>

	 * openInEditor

	 * </p>

	 *

	 * @return a boolean.

	 */

	public boolean openInEditor() {

		return ((TaxonNodeDetailElement) getDetailElement()).isOpenInEditor();

	}

	/*

	 * (non-Javadoc)

	 *

	 * @see

	 * org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse

	 * .jface.util.PropertyChangeEvent)

	 */

	/** {@inheritDoc} */

	@Override

	public void propertyChange(PropertyChangeEvent event) {

		checkComplete();

	}

	@Override

	protected void checkComplete() {

		TaxonNodeDetailElement detailElement = (TaxonNodeDetailElement) getDetailElement();

		if (detailElement.getClassification() == null) {

			setMessage("No classification set.", WARNING);

		}

		else if(isCreateNew ){

		    if(detailElement.getTaxonName().isEmpty()){

		        setMessage("No taxon name set.", ERROR);

		    } else{

		        setMessage(null);

	            setPageComplete(true);

	            return;

		    }

		}

		else if(!detailElement.isComplete()){

		    setMessage("Not all required fields are filled.", ERROR);

		}

		else {

			setMessage(null);

			setPageComplete(true);

			return;

		}

		setPageComplete(false);

	}

	/**

	 * <p>

	 * Getter for the field <code>parentTreeNode</code>.

	 * </p>

	 *

	 * @return a {@link eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode} object.

	 */

	public ITaxonTreeNode getParentTreeNode() {

		return ((TaxonNodeDetailElement) getDetailElement())

				.getParentTreeNode();

	}

	public Taxon createTaxon() {

		if (((TaxonNodeDetailElement) getDetailElement()).getTaxon() == null){

			String taxonName = ((TaxonNodeDetailElement) getDetailElement()).getTaxonName();

			Reference reference = ((TaxonNodeDetailElement) getDetailElement()).getReference();

			NonViralName parseReferencedName = ParseHandler.parseReferencedName(taxonName, null);

			return Taxon.NewInstance(parseReferencedName, reference);

		} else{

			return ((TaxonNodeDetailElement) getDetailElement()).getTaxon();

		}

	}

	/*

	 * (non-Javadoc)

	 *

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

	 */

	/** {@inheritDoc} */

	@Override

	public void dispose() {

		formFactory.removePropertyChangeListener(this);

		super.dispose();

	}

    @Override

    public void handleEvent(Event event) {

        TaxonNodeDetailElement detailElement = (TaxonNodeDetailElement) getDetailElement();

        if(event.widget == detailElement.getMainControl()

                && event.keyCode == SWT.CR && isPageComplete()){

            wizardPageListener.close();

        }

    }

}