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package eu.etaxonomy.cdm.vaadin.util;
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import java.sql.SQLException;
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import java.util.List;
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import java.util.UUID;
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import com.vaadin.server.VaadinSession;
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import com.vaadin.ui.Notification;
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import com.vaadin.ui.Notification.Type;
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import eu.etaxonomy.cdm.model.common.TermVocabulary;
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import eu.etaxonomy.cdm.model.location.NamedArea;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.cdm.vaadin.view.distributionStatus.IDistributionTableView;
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/**
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* A utility class for the distribution status editor.
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*
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*/
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public class DistributionEditorUtil {
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public static final String VIEW_TABLE = "table";
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public static final String SATTR_SELECTED_AREAS = "selectedAreas";
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public static final String SATTR_SELECTED_AREA_VOCABULARY_UUID = "selectedVocabularyUuid";
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public static final String SATTR_TAXON_NODES_UUID = "taxonNodesUUID";
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public static final String SATTR_CLASSIFICATION = "classificationUUID";
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public static final String SATTR_ABBREVIATED_LABELS = "abbreviatedLabels";
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public static final String SATTR_DISTRIBUTION_STATUS = "distributionStatus";
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public static final String SEPARATOR = ";;";
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/**
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* Updates the vaadin session attributes related to the chosen
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* {@link TaxonNode}s, {@link NamedArea}s and {@link Classification}
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* and refreshes the given {@code distributionStatusTableView}.
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* @param distributionTableView The view to refresh after updating the session variables.
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* @param taxonNodes The taxa to be shown in the {@code distributionTableView}.
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* @param areaVoc The {@link TermVocabulary} of {@link NamedArea}s to be used.
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* @param selectedAreas The {@link NamedArea}s to be availbale in the {@code distributionTableView}.
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* @param classificationUuid The {@link UUID} of the {@link Classification} the {@code taxonNodes} belong to.
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*/
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public static void updateDistributionView(IDistributionTableView distributionTableView, List<UUID> taxonNodes, TermVocabulary<NamedArea> areaVoc,
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List<NamedArea> selectedAreas, UUID classificationUuid) {
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VaadinSession.getCurrent().setAttribute(SATTR_TAXON_NODES_UUID, taxonNodes);
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VaadinSession.getCurrent().setAttribute(SATTR_SELECTED_AREA_VOCABULARY_UUID, areaVoc.getUuid());
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VaadinSession.getCurrent().setAttribute(SATTR_SELECTED_AREAS, selectedAreas);
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VaadinSession.getCurrent().setAttribute(SATTR_CLASSIFICATION, classificationUuid);
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distributionTableView.update();
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}
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/**
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* Clears the session attributes related to the chosen
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* {@link TaxonNode}s, {@link TermVocabulary} of {@link NamedArea}s,
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* {@link NamedArea}s and {@link Classification}.
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*/
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public static void clearSessionAttributes(){
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VaadinSession.getCurrent().setAttribute(SATTR_TAXON_NODES_UUID, null);
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VaadinSession.getCurrent().setAttribute(SATTR_SELECTED_AREA_VOCABULARY_UUID, null);
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VaadinSession.getCurrent().setAttribute(SATTR_SELECTED_AREAS, null);
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VaadinSession.getCurrent().setAttribute(SATTR_CLASSIFICATION, null);
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}
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/**
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* Returns {@code true} if abbreviated labels should be used.
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* @return {@code true} if abbreviated labels should be used.
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*/
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public static boolean isAbbreviatedLabels(){
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Object isAbbreviated = VaadinSession.getCurrent().getAttribute(DistributionEditorUtil.SATTR_ABBREVIATED_LABELS);
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return (isAbbreviated==null || (boolean) isAbbreviated);
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}
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/**
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* Shows an {@link SQLException} to the user.
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* @param e The exception to show.
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*/
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public static void showSqlError(SQLException e) {
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Notification.show("Error while accessing data base.","Cause: "+e.getMessage(), Type.ERROR_MESSAGE);
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e.printStackTrace();
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}
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public static final String SATTR_CONVERSATION = "conversation";
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}
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