EDIT

// $Id$

/**

* Copyright (C) 2009 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.vocabulary;

import java.text.ParseException;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.events.SelectionListener;

import org.eclipse.swt.graphics.Color;

import org.eclipse.swt.graphics.RGB;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.ColorDialog;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Label;

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

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

import eu.etaxonomy.cdm.model.description.PresenceAbsenceTerm;

import eu.etaxonomy.taxeditor.Messages;

import eu.etaxonomy.taxeditor.model.AbstractUtility;

import eu.etaxonomy.taxeditor.model.ImageResources;

import eu.etaxonomy.taxeditor.model.MessagingUtils;

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

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

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

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

/**

 *

 * @author pplitzner

 * @date Nov 24, 2016

 *

 */

public class PresenceAbsenceTermDetailElement extends DefinedTermDetailElement<PresenceAbsenceTerm> implements SelectionListener{

    private Label colorLabel;

    private Color color;

    private Button btnColorChooser;

	public PresenceAbsenceTermDetailElement(CdmFormFactory formFactory,

			ICdmFormElement formElement) {

		super(formFactory, formElement);

	}

	@Override

    protected void createControls(ICdmFormElement formElement, PresenceAbsenceTerm entity, int style) {

	    super.createControls(formElement, entity, style);

	    Label colorTextLabel = new Label(getLayoutComposite(), style);

	    colorTextLabel.setText(Messages.PresenceAbsenceTermDetailElement_LABEL_COLOR);

	    TableWrapData left = LayoutConstants.LEFT();

	    left.valign = TableWrapData.MIDDLE;

	    colorTextLabel.setLayoutData(left);

	    addControl(colorTextLabel);

	    //composite(color label + button)

        Composite colorAndButton = formFactory.createComposite(getLayoutComposite(), style);

        addControl(colorAndButton);

        GridLayout layout = new GridLayout(2, false);

        layout.marginWidth = 0;

        colorAndButton.setLayout(layout);

        colorLabel = new Label(colorAndButton, style|SWT.BORDER);

        colorLabel.setLayoutData(new GridData(16, 16));

        String defaultColor = entity.getDefaultColor();

        if(defaultColor!=null){

            //TODO: Is there any utility method from SWT?

            java.awt.Color awtColor = java.awt.Color.decode("#"+defaultColor); //$NON-NLS-1$

            RGB rgb = new RGB(awtColor.getRed(), awtColor.getGreen(), awtColor.getBlue());

            color = new Color(AbstractUtility.getShell().getDisplay(), rgb);

            colorLabel.setBackground(color);

        }

        //button

        btnColorChooser = formFactory.createButton(colorAndButton, "", SWT.NONE); //$NON-NLS-1$

        btnColorChooser.setImage(ImageResources.getImage(ImageResources.BROWSE_ICON));

        btnColorChooser.setToolTipText(Messages.PresenceAbsenceTermDetailElement_CHOOSE_COLOR);

        btnColorChooser.addSelectionListener(this);

	}

	@Override

	public void handleEvent(Object eventSource) {

	    super.handleEvent(eventSource);

	}

	@Override

	public TermVocabulary getVocabulary() {

		return getEntity() != null ? getEntity().getVocabulary() : null;

	}

    /**

     * {@inheritDoc}

     */

    @Override

    public void widgetSelected(SelectionEvent e) {

        ColorDialog dialog = new ColorDialog(AbstractUtility.getShell());

        if(color!=null){

            dialog.setRGB(color.getRGB());

        }

        RGB rgb = dialog.open();

        if(rgb!=null){

            if(color!=null){

                color.dispose();

            }

            color = new Color(AbstractUtility.getShell().getDisplay(), rgb);

            colorLabel.setBackground(color);

            try {

                String hexCode = String.format("%02x%02x%02x", rgb.red,rgb.green,rgb.blue); //$NON-NLS-1$

                getEntity().setDefaultColor(hexCode);

            } catch (ParseException pe) {

                MessagingUtils.error(PresenceAbsenceTermDetailElement.class, Messages.PresenceAbsenceTermDetailElement_COLOR_NOT_SET, pe);

            }

        }

        firePropertyChangeEvent(new CdmPropertyChangeEvent(this, e));

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void widgetDefaultSelected(SelectionEvent e) {

    }

}