EDIT

/**

* Copyright (C) 2017 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.io.e4.in;

import java.util.List;

import java.util.UUID;

import javax.inject.Inject;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.widgets.Combo;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Label;

import eu.etaxonomy.cdm.api.service.IVocabularyService;

import eu.etaxonomy.cdm.common.CdmUtils;

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

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

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

import eu.etaxonomy.taxeditor.l10n.Messages;

import eu.etaxonomy.taxeditor.store.CdmStore;

/**

 * @author k.luther

 * @date 04.05.2017

 *

 */

public class ImportFromFileAndChooseVocIdWizardPageE4 extends ImportFromFileDataSourceWizardPageE4 {

    private Combo vocabularyCombo;

    UUID vocUuid;

    String[][] labelAndValues;

    @Inject

    public ImportFromFileAndChooseVocIdWizardPageE4() {

        super();

        setTitle("Choose Excel File");

        setDescription("Please choose an xls file in the Distribution Update format.");

        setExtensions(new String[]{"*.xlsx", "*.xls", "*.*"});

    }

    @Override

    public void createControl(Composite parent) {

        super.createControl(parent);

        Composite composite = (Composite)getControl();

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

        GridData gridData = new GridData(SWT.FILL, SWT.TOP, true, false);

        composite.setLayoutData(gridData);

        Label label = new Label(composite, SWT.NONE);

        label.setText(Messages.ImportFromFileAndChooseVocIdWizardPage_AreaVoc);

        label.setToolTipText(Messages.ImportFromFileAndChooseVocIdWizardOage_AreaVoc_toolTip);

        vocabularyCombo = new Combo(composite, SWT.DROP_DOWN);

        List<TermVocabulary<DefinedTermBase>> vocs = CdmStore.getService(IVocabularyService.class).findByTermType(TermType.NamedArea, null);

        for(TermVocabulary voc: vocs){

            vocabularyCombo.add(voc.getLabel());

        }

        getLabelAndValues(vocs);

        vocabularyCombo.select(0);

        setVocUuidFromVocCombo();

        vocabularyCombo.addSelectionListener(new SelectionAdapter(){

            @Override

            public void widgetSelected(SelectionEvent e) {

                String name = vocabularyCombo.getText();

                setVocUuidFromVocCombo();

                if (vocUuid != null){

                    setPageComplete(isPageComplete());

                }

            }

        });

    }

    /**

     * @return

     */

    private void setVocUuidFromVocCombo() {

        String name = vocabularyCombo.getText();

        for (String[] labelAndValue: labelAndValues){

            if (labelAndValue[0].equals(name)){

                String uuidString = labelAndValue[1];

                vocUuid = UUID.fromString(uuidString);

            }

        }

    }

    public UUID getVocUuid() {

        return vocUuid;

    }

    public void setVocUuid(UUID vocUuid) {

        this.vocUuid = vocUuid;

    }

    private String[][] getLabelAndValues(List<TermVocabulary<DefinedTermBase>> vocs) {

        labelAndValues = new String[vocs.size()][2];

        for (int i = 0; i < vocs.size(); i++) {

            labelAndValues[i][0] = vocs.get(i).getLabel();

            labelAndValues[i][1] = vocs.get(i).getUuid().toString();

        }

        return labelAndValues;

    }

    @Override

    public boolean isPageComplete() {

        boolean result = CdmUtils.isNotBlank(text_source.getText()) && vocUuid != null;

        return result;

    }

}