EDIT

/**

* Copyright (C) 2016 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.dialog.deleteConfigurator;

import org.eclipse.core.databinding.DataBindingContext;

import org.eclipse.core.databinding.beans.PojoProperties;

import org.eclipse.core.databinding.observable.value.IObservableValue;

import org.eclipse.jface.databinding.swt.WidgetProperties;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.DisposeEvent;

import org.eclipse.swt.events.DisposeListener;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.layout.RowLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Display;

import org.eclipse.swt.widgets.Event;

import org.eclipse.swt.widgets.Listener;

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

import eu.etaxonomy.cdm.api.service.config.MediaDeletionConfigurator;

import eu.etaxonomy.taxeditor.Messages;

/**

 * @author k.luther

 * @date 02.11.2016

 *

 */

public class DeleteMediaConfiguratorComposite extends Composite {

    private final DataBindingContext m_bindingContext;

    private final FormToolkit toolkit = new FormToolkit(Display.getCurrent());

    private final MediaDeletionConfigurator configurator;

    private final Button btnDeleteIfUsedInTaxonDescription;

    private final Button btnDeleteIfUsedInSpecimenDescription;

    private final Button btnRemoveFromImageGallery;

    private final boolean isInBulkEditor;

    /**

     * Create the composite.

     * @param parent

     * @param style

     */

    public DeleteMediaConfiguratorComposite(MediaDeletionConfigurator configurator, Composite parent, int style) {

        super(parent, style);

        this.configurator = configurator;

        this.isInBulkEditor = false;

        addDisposeListener(new DisposeListener() {

            @Override

            public void widgetDisposed(DisposeEvent e) {

                toolkit.dispose();

            }

        });

        toolkit.paintBordersFor(this);

        setLayout(new RowLayout(SWT.VERTICAL));

        setBackground(getBackground());

        btnRemoveFromImageGallery = null;

        btnDeleteIfUsedInTaxonDescription = new Button(this, SWT.CHECK);

        btnDeleteIfUsedInTaxonDescription.setText(Messages.DeleteConfiguration_media_deleteIfUsedInTaxonDescription);

        btnDeleteIfUsedInTaxonDescription.setSelection(false);

        btnDeleteIfUsedInSpecimenDescription = new Button(this, SWT.CHECK);

        btnDeleteIfUsedInSpecimenDescription.setText(Messages.DeleteConfiguration_media_deleteIfUsedInSpecimenDescription);

        btnDeleteIfUsedInSpecimenDescription.setSelection(false);

        m_bindingContext = initDataBindings();

    }

    public DeleteMediaConfiguratorComposite(MediaDeletionConfigurator configurator, Composite parent, int style, boolean inBulkEditor) {

        super(parent, style);

        this.configurator = configurator;

        this.isInBulkEditor = inBulkEditor;

        addDisposeListener(new DisposeListener() {

            @Override

            public void widgetDisposed(DisposeEvent e) {

                toolkit.dispose();

            }

        });

        toolkit.paintBordersFor(this);

        setLayout(new GridLayout());

        setBackground(getBackground());

        if (!inBulkEditor){

            btnRemoveFromImageGallery = new Button(this, SWT.RADIO);

            btnRemoveFromImageGallery.setText(Messages.DeleteConfiguration_media_removeFromGallery);

            btnRemoveFromImageGallery.setSelection(true);

            btnRemoveFromImageGallery.setVisible(true);

            btnDeleteIfUsedInTaxonDescription = new Button(this, SWT.RADIO);

            btnDeleteIfUsedInTaxonDescription.setSelection(false);

            btnDeleteIfUsedInTaxonDescription.setVisible(true);

            btnDeleteIfUsedInTaxonDescription.setText(Messages.DeleteConfiguration_media_delete);

            btnDeleteIfUsedInSpecimenDescription = new Button(this, SWT.CHECK);

            btnDeleteIfUsedInSpecimenDescription.setText(Messages.DeleteConfiguration_media_deleteIfUsedInSpecimenDescription);

            btnDeleteIfUsedInSpecimenDescription.setVisible(false);

            btnDeleteIfUsedInTaxonDescription.addListener(SWT.Selection, new Listener() {

                @Override

             public void handleEvent(Event e) {

                    Button b = (Button) e.widget;

                    GridData data = (GridData)  btnDeleteIfUsedInTaxonDescription.getLayoutData();

                    data.exclude = b.getSelection();

                    btnDeleteIfUsedInSpecimenDescription.setVisible(data.exclude);

                }

         });

        } else{

            btnRemoveFromImageGallery =null;

            btnDeleteIfUsedInTaxonDescription = new Button(this, SWT.CHECK);

            btnDeleteIfUsedInTaxonDescription.setSelection(false);

            btnDeleteIfUsedInTaxonDescription.setText(Messages.DeleteConfiguration_media_deleteIfUsedInTaxonDescription);

            btnDeleteIfUsedInTaxonDescription.setVisible(true);

            btnDeleteIfUsedInSpecimenDescription = new Button(this, SWT.CHECK);

            btnDeleteIfUsedInSpecimenDescription.setText(Messages.DeleteConfiguration_media_deleteIfUsedInSpecimenDescription);

            btnDeleteIfUsedInSpecimenDescription.setVisible(true);

        }

        m_bindingContext = initDataBindings();

    }

    protected DataBindingContext initDataBindings() {

        DataBindingContext bindingContext = new DataBindingContext();

        //

        IObservableValue observeSelectionBtnDeleteIfUsedInTaxonDescription = WidgetProperties.selection().observe(btnDeleteIfUsedInTaxonDescription);

        IObservableValue deleteIfUsedInTaxonDescriptionConfiguratorObserveValue = PojoProperties.value("deleteIfUsedInTaxonDescription").observe(configurator);

        bindingContext.bindValue(observeSelectionBtnDeleteIfUsedInTaxonDescription, deleteIfUsedInTaxonDescriptionConfiguratorObserveValue, null, null);

        if (isInBulkEditor){

            IObservableValue observeSelectionBtnDeleteIfUsedInSpecimenDescription = WidgetProperties.selection().observe(btnDeleteIfUsedInSpecimenDescription);

            IObservableValue deleteIfUsedInSpecimenDescriptionConfiguratorObserveValue = PojoProperties.value("deleteIfUsedInSpecimenDescription").observe(configurator);

            bindingContext.bindValue(observeSelectionBtnDeleteIfUsedInSpecimenDescription, deleteIfUsedInSpecimenDescriptionConfiguratorObserveValue, null, null);

        }else{

            IObservableValue observeSelectionBtnRemoveFromImageGallery = WidgetProperties.selection().observe(btnRemoveFromImageGallery);

            IObservableValue removeFromImageGalleryConfiguratorObserveValue = PojoProperties.value("onlyRemoveFromGallery").observe(configurator);

            bindingContext.bindValue(observeSelectionBtnRemoveFromImageGallery, removeFromImageGalleryConfiguratorObserveValue, null, null);

            IObservableValue observeSelectionBtnDeleteIfUsedInSpecimenDescription = WidgetProperties.selection().observe(btnDeleteIfUsedInSpecimenDescription);

            IObservableValue deleteIfUsedInSpecimenDescriptionConfiguratorObserveValue = PojoProperties.value("deleteIfUsedInSpecimenDescription").observe(configurator);

            bindingContext.bindValue(observeSelectionBtnDeleteIfUsedInSpecimenDescription, deleteIfUsedInSpecimenDescriptionConfiguratorObserveValue, null, null);

        }

        return bindingContext;

    }

}