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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.vaadin.component.common;
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import java.util.Arrays;
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import java.util.EnumSet;
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import java.util.List;
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import org.vaadin.viritin.fields.LazyComboBox;
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import com.vaadin.data.Validator.InvalidValueException;
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import com.vaadin.data.fieldgroup.BeanFieldGroup;
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import com.vaadin.data.fieldgroup.FieldGroup;
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import com.vaadin.data.util.BeanItem;
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import com.vaadin.server.FontAwesome;
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import com.vaadin.server.UserError;
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import com.vaadin.ui.Button;
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import com.vaadin.ui.Component;
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import com.vaadin.ui.CssLayout;
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import com.vaadin.ui.Field;
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import com.vaadin.ui.themes.ValoTheme;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.agent.AgentBase;
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import eu.etaxonomy.cdm.model.agent.Person;
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import eu.etaxonomy.cdm.model.agent.Team;
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import eu.etaxonomy.cdm.model.agent.TeamOrPersonBase;
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import eu.etaxonomy.cdm.persistence.hibernate.permission.CRUD;
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import eu.etaxonomy.cdm.service.CdmFilterablePagingProvider;
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import eu.etaxonomy.cdm.vaadin.event.ToOneRelatedEntityReloader;
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import eu.etaxonomy.cdm.vaadin.permission.UserHelper;
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import eu.etaxonomy.cdm.vaadin.util.TeamOrPersonBaseCaptionGenerator;
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import eu.etaxonomy.cdm.vaadin.util.converter.CdmBaseDeproxyConverter;
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import eu.etaxonomy.cdm.vaadin.view.name.CachingPresenter;
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import eu.etaxonomy.vaadin.component.CompositeCustomField;
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import eu.etaxonomy.vaadin.component.EntityFieldInstantiator;
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import eu.etaxonomy.vaadin.component.ReloadableLazyComboBox;
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import eu.etaxonomy.vaadin.component.SwitchableTextField;
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import eu.etaxonomy.vaadin.component.ToManyRelatedEntitiesListSelect;
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/**
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* @author a.kohlbecker
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* @since May 11, 2017
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*
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*/
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public class TeamOrPersonField extends CompositeCustomField<TeamOrPersonBase<?>> {
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private static final long serialVersionUID = 660806402243118112L;
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private static final String PRIMARY_STYLE = "v-team-or-person-field";
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private CssLayout root = new CssLayout();
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private CssLayout toolBar= new CssLayout();
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private CssLayout compositeWrapper = new CssLayout();
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private ReloadableLazyComboBox<TeamOrPersonBase> teamOrPersonSelect = new ReloadableLazyComboBox<TeamOrPersonBase>(TeamOrPersonBase.class);
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private Button selectConfirmButton = new Button("OK");
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private Button removeButton = new Button(FontAwesome.REMOVE);
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private Button personButton = new Button(FontAwesome.USER);
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private Button teamButton = new Button(FontAwesome.USERS);
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// Fields for case when value is a Person
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private PersonField personField = new PersonField();
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// Fields for case when value is a Team
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private SwitchableTextField titleField = new SwitchableTextField("Team (bibliographic)");
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private SwitchableTextField nomenclaturalTitleField = new SwitchableTextField("Team (nomenclatural)");
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private ToManyRelatedEntitiesListSelect<Person, PersonField> personsListEditor = new ToManyRelatedEntitiesListSelect<Person, PersonField>(Person.class, PersonField.class, "Team members");
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private BeanFieldGroup<Team> fieldGroup = new BeanFieldGroup<>(Team.class);
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private CdmFilterablePagingProvider<AgentBase, Person> pagingProviderPerson;
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private TeamOrPersonBaseCaptionGenerator.CacheType cacheType;
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protected List<Component> editorComponents = Arrays.asList(removeButton, personButton, teamButton, teamOrPersonSelect);
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public TeamOrPersonField(String caption, TeamOrPersonBaseCaptionGenerator.CacheType cacheType){
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setCaption(caption);
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this.cacheType = cacheType;
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teamOrPersonSelect.setCaptionGenerator(new TeamOrPersonBaseCaptionGenerator<TeamOrPersonBase>(cacheType));
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addStyledComponent(teamOrPersonSelect);
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addStyledComponent(personField);
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addStyledComponent(titleField);
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addStyledComponent(nomenclaturalTitleField);
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addStyledComponent(personsListEditor);
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addStyledComponents(selectConfirmButton, removeButton, personButton, teamButton);
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addSizedComponent(root);
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addSizedComponent(compositeWrapper);
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addSizedComponent(personField);
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addSizedComponent(titleField);
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addSizedComponent(nomenclaturalTitleField);
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addSizedComponent(personsListEditor);
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setConverter(new CdmBaseDeproxyConverter<TeamOrPersonBase<?>>());
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updateToolBarButtonStates();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected Component initContent() {
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teamOrPersonSelect.addValueChangeListener(e -> {
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selectConfirmButton.setEnabled(teamOrPersonSelect.getValue() != null);
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selectConfirmButton.addStyleName(ValoTheme.BUTTON_PRIMARY);
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});
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teamOrPersonSelect.setWidthUndefined();
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selectConfirmButton.setEnabled(teamOrPersonSelect.getValue() != null);
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selectConfirmButton.addClickListener(e -> {
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// new entitiy being set, reset the readonly state
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// resetReadOnlyComponents();
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// getPropertyDataSource().setReadOnly(false);
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setValue(teamOrPersonSelect.getValue(), false, true);
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teamOrPersonSelect.clear();
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updateToolBarButtonStates();
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});
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removeButton.addClickListener(e -> {
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// resetReadOnlyComponents();
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// getPropertyDataSource().setReadOnly(false);
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setValue(null, false, true);
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updateToolBarButtonStates();
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});
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removeButton.setDescription("Remove");
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personButton.addClickListener(e -> {
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setValue(Person.NewInstance(), false, true); // FIXME add SelectField or open select dialog, use ToOneSelect field!!
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});
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personButton.setDescription("Add person");
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teamButton.addClickListener(e -> {
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setValue(Team.NewInstance(), false, true); // FIXME add SelectField or open select dialog, use ToOneSelect field!!
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});
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teamButton.setDescription("Add team");
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toolBar.setStyleName(ValoTheme.LAYOUT_COMPONENT_GROUP + " toolbar");
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toolBar.addComponents(teamOrPersonSelect, selectConfirmButton, removeButton, personButton, teamButton);
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compositeWrapper.setStyleName("margin-wrapper");
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compositeWrapper.addComponent(toolBar);
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root.setPrimaryStyleName(PRIMARY_STYLE);
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root.addComponent(compositeWrapper);
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return root;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public Class getType() {
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return TeamOrPersonBase.class;
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}
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private void updateToolBarButtonStates(){
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TeamOrPersonBase<?> val = getInternalValue();
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boolean userCanCreate = UserHelper.fromSession().userHasPermission(Person.class, "CREATE");
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teamOrPersonSelect.setVisible(val == null);
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selectConfirmButton.setVisible(val == null);
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removeButton.setVisible(val != null);
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personButton.setEnabled(userCanCreate && val == null);
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teamButton.setEnabled(userCanCreate && val == null);
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected void setInternalValue(TeamOrPersonBase<?> newValue) {
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TeamOrPersonBase<?> oldValue = getValue();
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super.setInternalValue(newValue);
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newValue = HibernateProxyHelper.deproxy(newValue);
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compositeWrapper.removeAllComponents();
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compositeWrapper.addComponent(toolBar);
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if(newValue != null) {
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if(Person.class.isAssignableFrom(newValue.getClass())){
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// value is a Person
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compositeWrapper.addComponent(personField);
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personField.setValue((Person) newValue);
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personField.registerParentFieldGroup(fieldGroup);
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}
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else if(Team.class.isAssignableFrom(newValue.getClass())){
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// otherwise it a Team
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compositeWrapper.addComponents(titleField, nomenclaturalTitleField, personsListEditor);
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titleField.bindTo(fieldGroup, "titleCache", "protectedTitleCache");
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nomenclaturalTitleField.bindTo(fieldGroup, "nomenclaturalTitle", "protectedNomenclaturalTitleCache");
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fieldGroup.setItemDataSource(new BeanItem<Team>((Team)newValue));
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boolean readonlyState = personsListEditor.isReadOnly();
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fieldGroup.bind(personsListEditor, "teamMembers"); // here personField is set readonly since setTeamMembers does not exist
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personsListEditor.setReadOnly(readonlyState); // fixing the readonly state
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personsListEditor.registerParentFieldGroup(fieldGroup);
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} else {
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setComponentError(new UserError("TeamOrPersonField Error: Unsupported value type: " + newValue.getClass().getName()));
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}
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} else {
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if(oldValue != null){
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// value is null --> clean up all nested fields
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// allow replacing old content in the editor by null
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setReadOnlyComponents(false);
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if(oldValue instanceof Person){
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personField.unregisterParentFieldGroup(fieldGroup);
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personField.setReadOnly(false);
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personField.setValue((Person) null);
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} else {
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titleField.unbindFrom(fieldGroup);
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nomenclaturalTitleField.unbindFrom(fieldGroup);
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fieldGroup.unbind(personsListEditor);
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fieldGroup.setItemDataSource((Team)null);
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personsListEditor.registerParentFieldGroup(null);
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personsListEditor.setReadOnly(false);
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personsListEditor.setValue(null);
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personsListEditor.registerParentFieldGroup(null);
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}
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}
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}
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adaptToUserPermissions(newValue);
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updateToolBarButtonStates();
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}
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private void adaptToUserPermissions(TeamOrPersonBase teamOrPerson) {
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UserHelper userHelper = UserHelper.fromSession();
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boolean canEdit = teamOrPerson == null || !teamOrPerson.isPersited() || userHelper.userHasPermission(teamOrPerson, CRUD.UPDATE);
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if(!canEdit){
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getPropertyDataSource().setReadOnly(true);
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setReadOnlyComponents(true);
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}
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}
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// private void checkUserPermissions(TeamOrPersonBase<?> newValue) {
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// boolean userCanEdit = UserHelper.fromSession().userHasPermission(newValue, "DELETE", "UPDATE");
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// setEnabled(userCanEdit);
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// personsListEditor.setEnabled(userCanEdit);
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// }
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/**
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* {@inheritDoc}
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*/
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@Override
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protected void addDefaultStyles() {
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// no default styles here
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public FieldGroup getFieldGroup() {
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return fieldGroup;
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}
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public Component[] getCachFields(){
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return new Component[]{titleField, nomenclaturalTitleField};
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}
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/**
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* @return the teamOrPersonSelect
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*/
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public LazyComboBox<TeamOrPersonBase> getTeamOrPersonSelect() {
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return teamOrPersonSelect;
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}
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/**
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* {@inheritDoc}
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*/
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@SuppressWarnings("unchecked")
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@Override
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public void commit() throws SourceException, InvalidValueException {
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//need to commit the subfields propagation through the fielGroups is not enough
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personField.commit();
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personsListEditor.commit();
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if(!getState(false).readOnly && getPropertyDataSource().isReadOnly()){
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// the TeamOrPersonBase Editor (remove, addPerson, addTeam) is not readonly
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// thus removing the TeamOrPerson is allowed. In case the datasource is readonly
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// due to missing user grants for the TeamOrPerson it must be set to readWrite to
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// make it possible to change the property of the parent
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getPropertyDataSource().setReadOnly(false);
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}
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super.commit();
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if(hasNullContent()){
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getPropertyDataSource().setValue(null);
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setValue(null);
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}
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TeamOrPersonBase<?> bean = getValue();
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if(bean != null && bean instanceof Team){
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boolean isUnsaved = bean.getId() == 0;
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if(isUnsaved){
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UserHelper.fromSession().createAuthorityForCurrentUser(bean, EnumSet.of(CRUD.UPDATE, CRUD.DELETE), null);
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}
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected List<Field> nullValueCheckIgnoreFields() {
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List<Field> ignoreFields = super.nullValueCheckIgnoreFields();
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ignoreFields.add(personField);
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ignoreFields.add(nomenclaturalTitleField.getUnlockSwitch());
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if(nomenclaturalTitleField.getUnlockSwitch().getValue().booleanValue() == false){
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ignoreFields.add(nomenclaturalTitleField.getTextField());
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}
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ignoreFields.add(titleField.getUnlockSwitch());
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if(titleField.getUnlockSwitch().getValue().booleanValue() == false){
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ignoreFields.add(titleField.getTextField());
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}
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return ignoreFields;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean hasNullContent() {
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TeamOrPersonBase<?> bean = getValue();
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if(bean == null) {
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return true;
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}
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if(bean instanceof Team){
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// --- Team
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return super.hasNullContent();
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} else {
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// --- Person
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return personField.hasNullContent();
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}
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}
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public void setFilterableTeamPagingProvider(CdmFilterablePagingProvider<AgentBase, TeamOrPersonBase> pagingProvider, CachingPresenter cachingPresenter){
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teamOrPersonSelect.loadFrom(pagingProvider, pagingProvider, pagingProvider.getPageSize());
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ToOneRelatedEntityReloader<TeamOrPersonBase> teamOrPersonReloader = new ToOneRelatedEntityReloader<TeamOrPersonBase>(teamOrPersonSelect, cachingPresenter);
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teamOrPersonSelect.addValueChangeListener(teamOrPersonReloader );
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}
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public void setFilterablePersonPagingProvider(CdmFilterablePagingProvider<AgentBase, Person> pagingProvider, CachingPresenter cachingPresenter){
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teamOrPersonSelect.addValueChangeListener(new ToOneRelatedEntityReloader<TeamOrPersonBase>(teamOrPersonSelect, cachingPresenter));
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personsListEditor.setEntityFieldInstantiator(new EntityFieldInstantiator<PersonField>() {
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@Override
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public PersonField createNewInstance() {
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PersonField f = new PersonField();
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f.setAllowNewEmptyEntity(true); // otherwise new entities can not be added to the personsListEditor
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f.getPersonSelect().loadFrom(pagingProvider, pagingProvider, pagingProvider.getPageSize());
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f.getPersonSelect().setCaptionGenerator(new TeamOrPersonBaseCaptionGenerator<Person>(cacheType));
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f.getPersonSelect().addValueChangeListener(new ToOneRelatedEntityReloader<Person>(f.getPersonSelect(), cachingPresenter));
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return f;
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}
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});
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void setReadOnly(boolean readOnly) {
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// super.setReadOnly(readOnly); // moved into setEditorReadOnly()
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setReadOnlyComponents(readOnly);
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}
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public void setEditorReadOnly(boolean readOnly) {
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super.setReadOnly(readOnly);
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for(Component c : editorComponents){
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applyReadOnlyState(c, readOnly);
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}
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}
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/**
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* Reset the readonly state of nested components to <code>false</code>.
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*/
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protected void resetReadOnlyComponents() {
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if(!isReadOnly()){
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setReadOnlyComponents(false);
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}
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}
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/**
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* Set the nested components (team or person fields) to read only but
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* keep the state of the <code>TeamOrPersonField</code> untouched so
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* that the <code>teamOrPersonSelect</code>, <code>removeButton</code>,
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* <code>personButton</code> and <code>teamButton</code> stay operational.
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*
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* @param readOnly
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*/
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protected void setReadOnlyComponents(boolean readOnly) {
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setDeepReadOnly(readOnly, getContent(), editorComponents);
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updateCaptionReadonlyNotice(readOnly);
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}
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}
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