EDIT

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Button;

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

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

import eu.etaxonomy.taxeditor.l10n.Messages;

import eu.etaxonomy.taxeditor.store.CdmStore;

        GridLayout gridLayout = new GridLayout();

        composite.setLayout(gridLayout);

        controller = CdmStore.getCurrentApplicationConfiguration();

        if (controller != null){

            IPreferenceService service = controller.getPreferenceService();

            PrefKey key = CdmPreference.NewKey(PreferenceSubject.NewTaxEditorInstance(), PreferencePredicate.ShowImportExportMenu);

            CdmPreference isShowSpecimenPref = service.find(key);

            if (isShowSpecimenPref != null){

                this.isShowIOMenu = Boolean.valueOf(isShowSpecimenPref.getValue());

            }

            key = CdmPreference.NewKey(PreferenceSubject.NewTaxEditorInstance(), PreferencePredicate.ShowMediaView);

            CdmPreference isShowMediaViewPref = service.find(key);

            if (isShowMediaViewPref != null){

                this.isShowMediaView = Boolean.valueOf(isShowMediaViewPref.getValue());

            }

            key = CdmPreference.NewKey(PreferenceSubject.NewTaxEditorInstance(), PreferencePredicate.ShowChecklistPerspective);

            CdmPreference isShowChecklistPref = service.find(key);

            if (isShowChecklistPref != null){

                this.isShowCheckListPerspective = Boolean.valueOf(isShowChecklistPref.getValue());

            }

            key = CdmPreference.NewKey(PreferenceSubject.NewTaxEditorInstance(), PreferencePredicate.ShowTaxonNodeWizard);

            CdmPreference isShowTaxonNodeWizardPref = service.find(key);

            if (isShowTaxonNodeWizardPref != null){

                this.isShowTaxonNodeWizard = Boolean.valueOf(isShowTaxonNodeWizardPref.getValue());

            }

        }

        final Button showIOMenuButton = new Button(composite, SWT.CHECK);

        showIOMenuButton.setText(Messages.DatabasePreferncesPage_Show_IOMenu);

        showIOMenuButton.setSelection(isShowIOMenu);

        showIOMenuButton.addSelectionListener(new SelectionAdapter(){

             @Override

             public void widgetSelected(SelectionEvent e) {

                 isShowIOMenu = showIOMenuButton.getSelection();

              }

         });

        final Button showMediaViewButton = new Button(composite, SWT.CHECK);

        showMediaViewButton.setText(Messages.DatabasePreferncesPage_Show_MediaView);

        showMediaViewButton.setSelection(isShowMediaView);

        showMediaViewButton.addSelectionListener(new SelectionAdapter(){

             @Override

             public void widgetSelected(SelectionEvent e) {

                 isShowMediaView = showIOMenuButton.getSelection();

              }

         });

        final Button showChecklistPerspectiveButton = new Button(composite, SWT.CHECK);

        showChecklistPerspectiveButton.setText(Messages.DatabasePreferncesPage_Show_ChecklistPerspective);

        showChecklistPerspectiveButton.setSelection(isShowCheckListPerspective);

        showChecklistPerspectiveButton.addSelectionListener(new SelectionAdapter(){

             @Override

             public void widgetSelected(SelectionEvent e) {

                 isShowCheckListPerspective = showChecklistPerspectiveButton.getSelection();

              }

         });

        final Button showTaxonNodeWizardButton = new Button(composite, SWT.CHECK);

        showTaxonNodeWizardButton.setText(Messages.DatabasePreferncesPage_Show_TaxonNodeWizard);

        showTaxonNodeWizardButton.setSelection(isShowTaxonNodeWizard);

        showTaxonNodeWizardButton.addSelectionListener(new SelectionAdapter(){

             @Override

             public void widgetSelected(SelectionEvent e) {

                 isShowTaxonNodeWizard = showTaxonNodeWizardButton.getSelection();

              }

         });