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/**
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*
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*/
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package eu.etaxonomy.taxeditor.ui.selection;
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import java.util.EnumSet;
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import java.util.Observable;
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import java.util.Observer;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.core.runtime.NullProgressMonitor;
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import org.eclipse.jface.wizard.WizardDialog;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.events.SelectionListener;
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import org.eclipse.swt.graphics.Color;
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import org.eclipse.swt.widgets.Button;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Label;
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import org.eclipse.swt.widgets.Shell;
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import org.eclipse.swt.widgets.Text;
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import org.springframework.security.core.GrantedAuthority;
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import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
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import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
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import eu.etaxonomy.cdm.api.service.IAgentService;
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import eu.etaxonomy.cdm.api.service.ICollectionService;
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import eu.etaxonomy.cdm.api.service.INameService;
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import eu.etaxonomy.cdm.api.service.IOccurrenceService;
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import eu.etaxonomy.cdm.api.service.IReferenceService;
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import eu.etaxonomy.cdm.api.service.IService;
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import eu.etaxonomy.cdm.api.service.IUserService;
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import eu.etaxonomy.cdm.api.service.molecular.IAmplificationService;
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import eu.etaxonomy.cdm.api.service.molecular.IPrimerService;
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import eu.etaxonomy.cdm.common.CdmUtils;
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import eu.etaxonomy.cdm.model.agent.Institution;
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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.common.CdmBase;
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import eu.etaxonomy.cdm.model.common.Group;
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import eu.etaxonomy.cdm.model.common.ICdmBase;
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import eu.etaxonomy.cdm.model.common.IIdentifiableEntity;
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import eu.etaxonomy.cdm.model.common.User;
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import eu.etaxonomy.cdm.model.molecular.Amplification;
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import eu.etaxonomy.cdm.model.molecular.Primer;
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import eu.etaxonomy.cdm.model.name.NonViralName;
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import eu.etaxonomy.cdm.model.occurrence.Collection;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
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import eu.etaxonomy.cdm.model.reference.Reference;
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import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
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import eu.etaxonomy.cdm.persistence.hibernate.permission.CRUD;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.ImageResources;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.preference.Resources;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.store.LoginManager;
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import eu.etaxonomy.taxeditor.store.StoreUtil;
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import eu.etaxonomy.taxeditor.ui.dialog.selection.SelectionDialogFactory;
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import eu.etaxonomy.taxeditor.ui.element.AbstractCdmFormElement;
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import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
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import eu.etaxonomy.taxeditor.ui.element.CdmPropertyChangeEvent;
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import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
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import eu.etaxonomy.taxeditor.ui.element.IEnableableFormElement;
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import eu.etaxonomy.taxeditor.ui.element.IEntityElement;
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import eu.etaxonomy.taxeditor.ui.element.ILabeledElement;
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import eu.etaxonomy.taxeditor.ui.element.ISelectableElement;
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import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
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import eu.etaxonomy.taxeditor.ui.element.SelectionArbitrator;
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import eu.etaxonomy.taxeditor.ui.section.grantedAuthority.GrantedAuthorityLabelTextProvider;
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/**
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* <p>
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* Abstract AbstractSelectionElement class.
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* </p>
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*
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* @author n.hoffmann
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* @created Nov 17, 2009
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* @version 1.0
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* @param <T>
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*/
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public class EntitySelectionElement<T extends ICdmBase> extends
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AbstractCdmFormElement implements SelectionListener, IEnableableFormElement, ISelectableElement, IEntityElement<T>, ILabeledElement, IConversationEnabled, Observer {
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private static final EnumSet<CRUD> UPDATE = EnumSet.of(CRUD.UPDATE);
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private static final EnumSet<CRUD> DELETE = EnumSet.of(CRUD.DELETE);
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private static final EnumSet<CRUD> CREATE = EnumSet.of(CRUD.CREATE);
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/**
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* Bitmask for configuring functionality of selection element
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*/
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public static final int NOTHING = 0; // 000
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public static final int EDITABLE = 1 << 0; // 001
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public static final int DELETABLE = 1 << 1; // 010
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public static final int SELECTABLE = 1 << 2; // 100
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public static final int ALL = EDITABLE | DELETABLE | SELECTABLE; // 111
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protected T entity;
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protected Label label;
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protected Text text;
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protected Button button_selection;
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private SelectionArbitrator selectionArbitrator;
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protected Button button_edit;
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private final String labelString;
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private Composite selectableComposite;
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private Button button_remove;
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private final boolean isEditable;
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private final boolean isDeletable;
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private final ConversationHolder conversation;
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private Class<T> clazz;
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/**
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* <p>
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* Constructor for AbstractSelectionElement.
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* </p>
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*
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* @param formFactory
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* a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory}
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* object.
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* @param conversation
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* TODO
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* @param parentElement
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* a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement}
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* object.
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* @param labelString
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* a {@link java.lang.String} object.
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* @param entity
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* a T object.
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* @param isEditable
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* a boolean.
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* @param isSelectable
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* a boolean.
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* @param isDeletable
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* a boolean.
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* @param style
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* a int.
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* @param <T>
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* a T object.
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*/
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public EntitySelectionElement(CdmFormFactory formFactory,
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ConversationHolder conversation, ICdmFormElement parentElement,
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String labelString, T entity, int mode, int style) {
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super(formFactory, parentElement);
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this.isEditable = (mode & EDITABLE) == EDITABLE;
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this.isDeletable = (mode & DELETABLE) == DELETABLE;
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boolean isSelectable = (mode & SELECTABLE) == SELECTABLE;
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this.labelString = (labelString == null || labelString.equals("")) ? "" : labelString + " : ";
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this.conversation = conversation;
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if (isSelectable && formFactory.getSelectionProvider() != null) {
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selectionArbitrator = formFactory.createSelectionArbitrator(this);
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}
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createControls(getLayoutComposite(), SWT.NULL);
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setEntity(entity);
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}
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public EntitySelectionElement(CdmFormFactory formFactory,
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ConversationHolder conversation, ICdmFormElement parentElement, Class<T> clazz,
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String labelString, T entity, int mode, int style) {
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this(formFactory, conversation, parentElement, labelString, entity, mode, style);
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this.clazz = clazz;
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}
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private void createControls(Composite parent, int style) {
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label = formFactory.createLabel(getLayoutComposite(), labelString,
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SWT.NULL);
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addControl(label);
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selectableComposite = formFactory.createComposite(getLayoutComposite());
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int columns = 2;
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if (isEditable) {
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columns += 1;
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}
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if (isDeletable) {
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columns += 1;
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}
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selectableComposite.setLayout(LayoutConstants.LAYOUT(columns, false));
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selectableComposite.setLayoutData(LayoutConstants.FILL_HORIZONTALLY());
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addControl(selectableComposite);
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text = formFactory.createText(selectableComposite, null, SWT.WRAP);
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text.setEditable(false);
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addControl(text);
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text.setLayoutData(LayoutConstants.FILL_HORIZONTALLY());
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text.setBackground(StoreUtil
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.getColor(Resources.COLOR_TEXT_DISABLED_BACKGROUND));
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button_selection = formFactory.createButton(selectableComposite, null,
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SWT.PUSH);
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button_selection.setImage(ImageResources
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.getImage(ImageResources.BROWSE_ICON));
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button_selection.setToolTipText("Browse existing");
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addControl(button_selection);
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button_selection.addSelectionListener(this);
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if (isEditable) {
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button_edit = formFactory.createButton(selectableComposite, null,
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SWT.PUSH);
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button_edit.setImage(ImageResources
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.getImage(ImageResources.EDIT_ICON));
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button_edit.setToolTipText("Edit");
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addControl(button_edit);
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button_edit.addSelectionListener(new EditListener(this));
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}
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if (isDeletable) {
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button_remove = formFactory.createButton(selectableComposite, null,
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SWT.PUSH);
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button_remove.setImage(ImageResources
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.getImage(ImageResources.TRASH_ICON));
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button_remove.setToolTipText("Remove");
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addControl(button_remove);
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button_remove.addSelectionListener(new DeleteListener(this));
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}
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}
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@Override
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public void widgetSelected(SelectionEvent e) {
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T selection = SelectionDialogFactory.getSelectionFromDialog(clazz, getShell(), getConversationHolder(), getEntity());
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setSelectionInternal(selection);
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}
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/**
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* Return the selected object
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*
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* @return a T object.
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*/
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public T getSelection() {
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return entity;
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}
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/*
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* (non-Javadoc)
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*
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* @see
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* eu.etaxonomy.taxeditor.forms.IEnableableFormElement#setEnabled(boolean)
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*/
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/** {@inheritDoc} */
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@Override
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public void setEnabled(boolean enabled) {
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button_selection.setEnabled(enabled);
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if (isEditable) {
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updateButtonStates();
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}
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.ui.element.IEnableableFormElement#isEnabled()
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*/
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@Override
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public boolean isEnabled() {
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return button_selection.isEnabled();
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}
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/**
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* <p>
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* setSelectionInternal
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* </p>
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*
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* @param selection
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* a T object.
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*/
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protected void setSelectionInternal(T selection) {
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if (selection != null && !selection.equals(this.entity)) {
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setEntity(selection);
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firePropertyChangeEvent(new CdmPropertyChangeEvent(this, null));
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}
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}
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/**
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* <p>
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* Setter for the field <code>entity</code>.
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* </p>
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*
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* @param selection
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* a T object.
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*/
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public void setEntity(T selection) {
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this.entity = selection;
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updateElement();
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}
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/**
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* Updates this elements view
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*/
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protected void updateElement() {
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String title = CdmUtils.Nz(getTitle());
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text.setText(title); // title can be null
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if (isEditable) {
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updateButtonStates();
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}
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}
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public void updateFromWizard() {
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updateElement();
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firePropertyChangeEvent(new CdmPropertyChangeEvent(this, null));
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}
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/**
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* <p>
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* getTitle
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* </p>
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*
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* @return a {@link java.lang.String} object.
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*/
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protected String getTitle() {
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if (entity != null){
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if(entity instanceof IIdentifiableEntity) {
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return ((IIdentifiableEntity) entity).getTitleCache();
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} else if(entity instanceof Group){
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return ((Group) entity).getName();
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} else if(entity instanceof GrantedAuthority){
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return GrantedAuthorityLabelTextProvider.getText(((GrantedAuthority) entity));
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} else if(entity instanceof User){
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return ((User) entity).getUsername();
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} else if (entity instanceof Primer){
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return ((Primer) entity).getLabel();
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} else if (entity instanceof Amplification){
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return ((Amplification) entity).getDescription();
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}
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}
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return "";
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}
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/** {@inheritDoc} */
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@Override
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public void setSelected(boolean selected) {
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setBackground(selected ? SELECTED : getPersistentBackground());
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}
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/*
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* (non-Javadoc)
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*
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* @see eu.etaxonomy.taxeditor.forms.IEntityElement#getEntity()
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*/
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/**
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* <p>
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* Getter for the field <code>entity</code>.
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* </p>
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*
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* @return a T object.
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*/
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@Override
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public T getEntity() {
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return entity;
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}
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|
371
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/*
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* (non-Javadoc)
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373
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*
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* @see eu.etaxonomy.taxeditor.forms.section.cdmdetail.ISelectableElement#
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* getSelectionArbitrator()
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*/
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/**
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* <p>
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* Getter for the field <code>selectionArbitrator</code>.
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380
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* </p>
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381
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*
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* @return a {@link eu.etaxonomy.taxeditor.ui.element.SelectionArbitrator}
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* object.
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*/
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@Override
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public SelectionArbitrator getSelectionArbitrator() {
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return selectionArbitrator;
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}
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389
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390
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/**
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391
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* Convenient access to current shell
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*
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* @return a {@link org.eclipse.swt.widgets.Shell} object.
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*/
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395
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public Shell getShell() {
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return getLayoutComposite().getShell();
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}
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398
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399
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/** {@inheritDoc} */
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@Override
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401
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public void setIrrelevant(boolean irrelevant) {
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String colorId = irrelevant ? Resources.COLOR_COMPOSITE_IRRELEVANT
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: Resources.COLOR_TEXT_DISABLED_BACKGROUND;
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Color color = StoreUtil.getColor(colorId);
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text.setBackground(color);
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}
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private class DeleteListener extends SelectionAdapter {
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private final EntitySelectionElement<T> selectionElement;
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public DeleteListener(EntitySelectionElement<T> selectionElement) {
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this.selectionElement = selectionElement;
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}
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@Override
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public void widgetSelected(SelectionEvent e) {
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setEntity(null);
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firePropertyChangeEvent(new CdmPropertyChangeEvent(
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selectionElement, null));
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}
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}
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private class EditListener extends SelectionAdapter {
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private static final String TRANSIENT_EDITING_WARNING_TEXT = "Warning: All changes for this element are directly reflected in the data base.\nThe \"Cancel\" button has no effect";
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private static final String TRANSIENT_EDITING_WARNING_TITLE = "CDM element not yet saved.";
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private final EntitySelectionElement<T> selectionElement;
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430
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public EditListener(EntitySelectionElement<T> selectionElement) {
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this.selectionElement = selectionElement;
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}
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434
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435
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/** {@inheritDoc} */
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436
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@Override
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public void widgetSelected(SelectionEvent e) {
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T originalEntity = selectionElement.getEntity();
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T clonedEntity = null;
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IService<T> service = null;
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441
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if(originalEntity instanceof CdmBase){
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//get corresponding service
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if(entity instanceof Reference<?>){
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444
|
service = (IService<T>) CdmStore.getService(IReferenceService.class);
|
445
|
}
|
446
|
else if (entity instanceof Team || entity instanceof Person || entity instanceof Institution) {
|
447
|
service = (IService<T>) CdmStore.getService(IAgentService.class);
|
448
|
}
|
449
|
else if (entity instanceof NonViralName) {
|
450
|
service = (IService<T>) CdmStore.getService(INameService.class);
|
451
|
}
|
452
|
else if (entity instanceof SpecimenOrObservationBase) {
|
453
|
service = (IService<T>) CdmStore.getService(IOccurrenceService.class);
|
454
|
}
|
455
|
else if (entity instanceof Collection) {
|
456
|
service = (IService<T>) CdmStore.getService(ICollectionService.class);
|
457
|
}
|
458
|
else if (entity instanceof User) {
|
459
|
service = (IService<T>) CdmStore.getService(IUserService.class);
|
460
|
}
|
461
|
else if (entity instanceof Primer) {
|
462
|
service = (IService<T>) CdmStore.getService(IPrimerService.class);
|
463
|
}
|
464
|
else if (entity instanceof Amplification) {
|
465
|
service = (IService<T>) CdmStore.getService(IAmplificationService.class);
|
466
|
}
|
467
|
//check if original already exists in data base. If not then do not clone and all changes will be persisted directly -> Warning to user.
|
468
|
if(service !=null && service.find(originalEntity.getUuid())==null){
|
469
|
if(MessagingUtils.confirmDialog(TRANSIENT_EDITING_WARNING_TITLE, "["+originalEntity.getClass().getSimpleName()+"]"+originalEntity + " has to be saved before it can be edited. Save now?")){
|
470
|
service.save(originalEntity);
|
471
|
AbstractUtility.getActiveEditor().doSave(new NullProgressMonitor());
|
472
|
}
|
473
|
else{
|
474
|
//transient CDM elements should not be edited to avoid merge conflicts
|
475
|
// when the elements are cascaded
|
476
|
return;
|
477
|
}
|
478
|
}
|
479
|
else{
|
480
|
try {
|
481
|
//clone original
|
482
|
clonedEntity = (T) ((CdmBase) originalEntity).clone();
|
483
|
} catch (CloneNotSupportedException e1) {
|
484
|
MessagingUtils.warningDialog(TRANSIENT_EDITING_WARNING_TITLE, this, TRANSIENT_EDITING_WARNING_TEXT);
|
485
|
}
|
486
|
}
|
487
|
|
488
|
}
|
489
|
if(clonedEntity!=null){
|
490
|
selectionElement.setEntity(clonedEntity);
|
491
|
}
|
492
|
WizardDialog dialog = new WizardDialog(selectionElement.getShell(),
|
493
|
new EditFromSelectionWizard(selectionElement));
|
494
|
if (dialog.open() == IStatus.OK) {
|
495
|
if(service!=null && clonedEntity!=null){//check if cloning happened
|
496
|
T editedClonedEntity = selectionElement.getEntity();
|
497
|
editedClonedEntity.setId(originalEntity.getId());
|
498
|
editedClonedEntity.setUuid(originalEntity.getUuid());
|
499
|
|
500
|
//merge clone and original
|
501
|
service.merge(editedClonedEntity);
|
502
|
originalEntity = service.load(originalEntity.getUuid());
|
503
|
|
504
|
}
|
505
|
selectionElement.setEntity(originalEntity);
|
506
|
selectionElement.updateFromWizard();
|
507
|
}
|
508
|
//be sure to reset to original in all cases
|
509
|
selectionElement.setEntity(originalEntity);
|
510
|
}
|
511
|
}
|
512
|
|
513
|
// not used
|
514
|
/** {@inheritDoc} */
|
515
|
@Override
|
516
|
public void widgetDefaultSelected(SelectionEvent e) {
|
517
|
}
|
518
|
|
519
|
/**
|
520
|
* <p>
|
521
|
* getConversationHolder
|
522
|
* </p>
|
523
|
*
|
524
|
* @return a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder}
|
525
|
* object.
|
526
|
*/
|
527
|
@Override
|
528
|
public ConversationHolder getConversationHolder() {
|
529
|
return conversation;
|
530
|
}
|
531
|
|
532
|
/** {@inheritDoc} */
|
533
|
@Override
|
534
|
public void setBackground(Color color) {
|
535
|
if(!label.isDisposed()){
|
536
|
label.setBackground(color);
|
537
|
}
|
538
|
}
|
539
|
|
540
|
/** {@inheritDoc} */
|
541
|
@Override
|
542
|
public void setLabel(String labelString) {
|
543
|
if (label != null) {
|
544
|
label.setText(labelString);
|
545
|
}
|
546
|
}
|
547
|
|
548
|
/**
|
549
|
* <p>
|
550
|
* Getter for the field <code>label</code>.
|
551
|
* </p>
|
552
|
*
|
553
|
* @return a {@link java.lang.String} object.
|
554
|
*/
|
555
|
@Override
|
556
|
public String getLabel() {
|
557
|
if (label != null) {
|
558
|
return label.getText() + " : ";
|
559
|
}
|
560
|
return null;
|
561
|
}
|
562
|
|
563
|
/** {@inheritDoc} */
|
564
|
@Override
|
565
|
public void update(CdmDataChangeMap changeEvents) {
|
566
|
}
|
567
|
|
568
|
/* (non-Javadoc)
|
569
|
* @see eu.etaxonomy.taxeditor.ui.element.AbstractCdmFormElement#removeElements()
|
570
|
*/
|
571
|
@Override
|
572
|
public void removeElements(){
|
573
|
super.removeElements();
|
574
|
LoginManager loginManager = CdmStore.getLoginManager();
|
575
|
loginManager.addObserver(this);
|
576
|
}
|
577
|
|
578
|
@Override
|
579
|
public void update(Observable o, Object arg) {
|
580
|
if(o instanceof LoginManager){
|
581
|
updateButtonStates();
|
582
|
}
|
583
|
}
|
584
|
|
585
|
private void updateButtonStates() {
|
586
|
if(button_edit != null && !button_selection.isDisposed()){
|
587
|
button_edit.setEnabled(isEditable && button_selection.isEnabled() && getEntity() != null && CdmStore.currentAuthentiationHasPermission((CdmBase) getEntity(), UPDATE));
|
588
|
}
|
589
|
}
|
590
|
}
|