EDIT

/**

* Copyright (C) 2018 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.preference.wizard;

import java.util.ArrayList;

import java.util.Collection;

import java.util.List;

import java.util.Map;

import org.eclipse.jface.viewers.CheckStateChangedEvent;

import org.eclipse.jface.viewers.CheckboxTreeViewer;

import org.eclipse.jface.viewers.ColumnViewer;

import org.eclipse.jface.viewers.ICheckStateListener;

import org.eclipse.jface.viewers.StyledString.Styler;

import org.eclipse.jface.viewers.ViewerComparator;

import org.eclipse.swt.SWT;

import org.eclipse.swt.graphics.TextStyle;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Display;

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

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

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

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

import eu.etaxonomy.cdm.model.metadata.CdmPreference;

import eu.etaxonomy.taxeditor.editor.definedterm.TermContentProvider;

import eu.etaxonomy.taxeditor.editor.definedterm.TermLabelProvider;

import eu.etaxonomy.taxeditor.session.ICdmEntitySession;

import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;

/**

 * @author k.luther

 * @since 05.10.2018

 *

 */

public class AvailableDistributionStatusPage extends AbstractTermSelectionWizardPage implements ICdmEntitySessionEnabled{

    private ColumnViewer viewer;

    private List<TermVocabulary<DefinedTermBase>> vocabularies = new ArrayList<>();

    private CdmPreference pref;

    public AvailableDistributionStatusPage(String pageName, CdmPreference pref) {

        super(pageName, TermType.PresenceAbsenceTerm);

        this.pref = pref;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void createControl(Composite parent) {

       // String checkedValues = preferenceStore.getString(PreferencesUtil.DISTRIBUTION_VOCABULARIES);

       // String grayedValues = preferenceStore.getString(PreferencesUtil.DISTRIBUTION_AREA_OCCURENCE_STATUS_GRAYED);

        setTitle("Select Distribution Status");

        setDescription("To modify the distribution status for taxa in a given area\n"

                + "you may preselect the available status list.");

        Composite composite = new Composite(parent, SWT.NULL);

        composite.setLayout(new GridLayout());

        setViewer(new CheckboxTreeViewer(composite, SWT.NULL));

        ((CheckboxTreeViewer)getViewer()).getTree().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

//        viewer.setContentProvider(new TermContentProvider());

        Styler styler = new Styler() {

            @Override

            public void applyStyles(TextStyle textStyle) {

                textStyle.foreground = Display.getCurrent().getSystemColor(SWT.COLOR_BLACK);

            }

        };

        getViewer().setContentProvider(new TermContentProvider());

        getViewer().setLabelProvider(new TermLabelProvider(styler));

        getViewer().setComparator(new ViewerComparator());

        ((CheckboxTreeViewer)getViewer()).addCheckStateListener(new ICheckStateListener() {

            private boolean ignoreCheckEvent = false;

            @Override

            public void checkStateChanged(CheckStateChangedEvent event) {

                if (ignoreCheckEvent ) {

                    return;

                }

                ignoreCheckEvent = true;

                try {

                }

                finally {

                    ignoreCheckEvent = false;

                }

            }

        });

        String checkedValues = null;

        if (pref != null){

            checkedValues = pref.getValue();

        }

        rememberCheckedValues(checkedValues, null);

        ((CheckboxTreeViewer)getViewer()).setCheckedElements(listCheckedTerms.toArray());

        ((CheckboxTreeViewer)getViewer()).expandToLevel(2);

        setControl(composite);

    }

    @Override

    public ColumnViewer getViewer() {

        return viewer;

    }

    @Override

    public void setViewer(ColumnViewer viewer) {

        this.viewer = viewer;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public ICdmEntitySession getCdmEntitySession() {

        // TODO Auto-generated method stub

        return null;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public <T extends CdmBase> Collection<T> getRootEntities() {

        // TODO Auto-generated method stub

        return null;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public Map<Object, List<String>> getPropertyPathsMap() {

        // TODO Auto-generated method stub

        return null;

    }

    @Override

    protected  List<TermVocabulary<DefinedTermBase>> getVocabulariesFromPreference(){

     return null;

    }

}