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.HashSet;

import java.util.List;

import java.util.Map;

import java.util.Set;

import java.util.UUID;

import org.apache.commons.lang.StringUtils;

import org.eclipse.jface.viewers.CheckStateChangedEvent;

import org.eclipse.jface.viewers.CheckboxTableViewer;

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.api.service.IVocabularyService;

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.cdm.model.metadata.PreferencePredicate;

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

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

import eu.etaxonomy.taxeditor.preference.PreferencesUtil;

import eu.etaxonomy.taxeditor.session.ICdmEntitySession;

import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;

import eu.etaxonomy.taxeditor.store.CdmStore;

/**

 * @author k.luther

 * @since 04.06.2018

 *

 */

public class AvailableAreaVocabulariesPage  extends AbstractTermSelectionWizardPage implements ICdmEntitySessionEnabled{

    CdmPreference pref;

    String featureTitle;

    /**

     * @param pageName

     */

    public AvailableAreaVocabulariesPage(String pageName, boolean localPref, CdmPreference pref, String featureTitle) {

        super(pageName, TermType.NamedArea);

        this.localPref = localPref;

        this.pref = pref;

        this.featureTitle = featureTitle;

    }

     /**

     * {@inheritDoc}

     */

    @Override

    public void createControl(Composite parent) {

        String vocString = null;

        if (localPref){

            vocString = PreferencesUtil.getPreferredVocabulariesForDistributionEditor(localPref);

        }else if (pref != null){

            vocString = pref.getValue();

        }

        setTitle("Select Vocabularies for "+ featureTitle);

        setDescription("In order to be able to modify and see the "+ featureTitle +" of taxa,\n"

                + "you have to select the vocabularies to select the areas from.");

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

        composite.setLayout(new GridLayout());

        setViewer(CheckboxTableViewer.newCheckList(composite, SWT.NULL));

        ((CheckboxTableViewer)getViewer()).getTable().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

        Styler styler = new Styler() {

            @Override

            public void applyStyles(TextStyle textStyle) {

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

            }

        };

        getViewer().setContentProvider(new VocabularyContentProvider());

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

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

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

            private boolean ignoreCheckEvent = false;

            @Override

            public void checkStateChanged(CheckStateChangedEvent event) {

                if (ignoreCheckEvent ) {

                    return;

                }

                ignoreCheckEvent = true;

                try {

                }

                finally {

                    ignoreCheckEvent = false;

                }

            }

        });

        rememberCheckedValues(vocString, null);

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

        setControl(composite);

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public ICdmEntitySession getCdmEntitySession() {

        return null;

    }

    /**

     * {@inheritDoc}

     */

    @Override

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

        return null;

    }

    /**

     * {@inheritDoc}

     */

    @Override

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

        return null;

    }

    @Override

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

        List<TermVocabulary<DefinedTermBase>> vocs = new ArrayList();

        if (PreferencesUtil.getPreferenceFromDB(PreferencePredicate.AvailableDistributionAreaVocabularies) == null ){

            vocs = CdmStore.getService(IVocabularyService.class).findByTermType(

                    type, null);

        }else{

            String vocString = PreferencesUtil.getPreferenceStore().getString(PreferencesUtil.DISTRIBUTION_VOCABULARIES);

            String[] arrayVocs = vocString.split(";");

            Set<UUID> uuidVocs = new HashSet();

            for (String voc: arrayVocs){

                if (!StringUtils.isBlank(voc)){

                    uuidVocs.add(UUID.fromString(voc));

                }

            }

            List<TermVocabulary> tempVocs = CdmStore.getService(IVocabularyService.class).find(uuidVocs);

            for (TermVocabulary voc: tempVocs){

                vocs.add(voc);

            }

        }

        return vocs;

    }

}