400 lines
12 KiB
Java
400 lines
12 KiB
Java
package org.gcube.datacatalogue.grsf_manage_widget.client.view;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import org.gcube.datacatalogue.common.enums.Status;
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import org.gcube.datacatalogue.grsf_manage_widget.client.GRSFManageWidgetService;
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import org.gcube.datacatalogue.grsf_manage_widget.client.GRSFManageWidgetServiceAsync;
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import org.gcube.datacatalogue.grsf_manage_widget.client.events.HideManagementPanelEvent;
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import org.gcube.datacatalogue.grsf_manage_widget.client.view.subwidgets.ConnectToWidget;
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import org.gcube.datacatalogue.grsf_manage_widget.client.view.subwidgets.SimilarGRSFRecordWidget;
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import org.gcube.datacatalogue.grsf_manage_widget.client.view.subwidgets.SourceWidget;
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import org.gcube.datacatalogue.grsf_manage_widget.client.view.subwidgets.SuggestMerges;
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import org.gcube.datacatalogue.grsf_manage_widget.shared.ManageProductBean;
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import org.gcube.datacatalogue.grsf_manage_widget.shared.SimilarGRSFRecord;
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import org.gcube.datacatalogue.grsf_manage_widget.shared.SourceRecord;
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import org.gcube.datacatalogue.grsf_manage_widget.shared.ex.NoGRSFRecordException;
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import com.github.gwtbootstrap.client.ui.AlertBlock;
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import com.github.gwtbootstrap.client.ui.Button;
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import com.github.gwtbootstrap.client.ui.CheckBox;
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import com.github.gwtbootstrap.client.ui.ControlGroup;
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import com.github.gwtbootstrap.client.ui.Form;
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import com.github.gwtbootstrap.client.ui.Icon;
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import com.github.gwtbootstrap.client.ui.Image;
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import com.github.gwtbootstrap.client.ui.ListBox;
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import com.github.gwtbootstrap.client.ui.Modal;
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import com.github.gwtbootstrap.client.ui.TextArea;
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import com.github.gwtbootstrap.client.ui.TextBox;
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import com.github.gwtbootstrap.client.ui.constants.AlertType;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.dom.client.SelectElement;
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import com.google.gwt.dom.client.Style.Unit;
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import com.google.gwt.event.dom.client.ClickEvent;
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import com.google.gwt.event.shared.HandlerManager;
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import com.google.gwt.uibinder.client.UiBinder;
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import com.google.gwt.uibinder.client.UiField;
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import com.google.gwt.uibinder.client.UiHandler;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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import com.google.gwt.user.client.ui.Composite;
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import com.google.gwt.user.client.ui.HTML;
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import com.google.gwt.user.client.ui.VerticalPanel;
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import com.google.gwt.user.client.ui.Widget;
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/**
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* Management widget main panel.
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* @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
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*/
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public class ManageProductWidget extends Composite{
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private static GRSFManageWidgetServiceAsync service = GWT.create(GRSFManageWidgetService.class);
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private static ManageProductWidgetUiBinder uiBinder = GWT.create(ManageProductWidgetUiBinder.class);
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interface ManageProductWidgetUiBinder extends
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UiBinder<Widget, ManageProductWidget> {
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}
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@UiField
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VerticalPanel container;
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@UiField
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Modal manageProductModal;
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@UiField
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AlertBlock infoBlock;
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@UiField
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TextArea shortNameTextBox;
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@UiField
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TextBox productGrsfType;
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@UiField
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CheckBox traceabilityFlag;
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@UiField
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TextArea GRSFNameTexBox;
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@UiField
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TextArea semanticIdentifierTextBox;
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@UiField
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VerticalPanel panelForSourceItems;
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@UiField
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ControlGroup similarGRSFRecordGroup;
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@UiField
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VerticalPanel panelForSimilarGRSFRecords;
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@UiField
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VerticalPanel panelForFurtherMerges;
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@UiField
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VerticalPanel panelForConnectOtherRecords;
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@UiField
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TextBox currentStatus;
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@UiField
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ListBox listBoxStatus;
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@UiField
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TextArea annotationArea;
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@UiField
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Button cancelButton;
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@UiField
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Button confirmButton;
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@UiField
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Icon loaderIcon;
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@UiField
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ControlGroup listBoxStatusGroup;
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@UiField
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ControlGroup annotationAreaGroup;
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@UiField
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ControlGroup productGrsfTypeGroup;
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@UiField
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Form formUpdate;
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@UiField
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Image loadingImage;
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public static final String LOADING_IMAGE_URL = GWT.getModuleBaseURL() + "../images/loader.gif";
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// messages used here and there
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private final static String STATUS_UPDATE_SUCCESS = "The record has been correctly updated. Thanks for your collaboration!";
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private final static String STATUS_UPDATE_ERROR = "Sorry, there was a problem while trying to update the status of this record";
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protected static final String ERROR_ON_RETRIEVING_BEAN = "It seems there was a problem while contacting the service...";
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protected static final String NO_GRSF_RECORD_BEAN = "This record is not a GRSF record, thus it cannot be managed";
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protected static final String NO_ADMIN_ROLE = "Sorry but it seems you do not have the rights to manage records."
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+ " You are suggested to contact the VRE Manager if something is wrong with this.";
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// event bus shared with the portlet
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private HandlerManager eventBus = null;
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// the objects to be managed
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private ManageProductBean bean;
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private final static List<Status> STATUS = new ArrayList<Status>(Arrays.asList(Status.values()));
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// similar records and to connect widgets references
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private SimilarGRSFRecordWidget similarRecordPanel;
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private SuggestMerges suggestedMergesPanel;
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private ConnectToWidget connectWidget;
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/**
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* Build a ManageProduct widget for the product with the specified id.
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* @param productIdentifier
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* @param eventBus
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*/
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public ManageProductWidget(String productIdentifier, HandlerManager eventBus) {
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initWidget(uiBinder.createAndBindUi(this));
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this.eventBus = eventBus;
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GWT.log("item identifier is " + productIdentifier);
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if(productIdentifier == null || productIdentifier.isEmpty())
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return;
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// start loader service
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loadingImage.setUrl(LOADING_IMAGE_URL);
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loadingImage.setVisible(true);
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formUpdate.setVisible(false);
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// show modal
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manageProductModal.addStyleName("management-metadata-modal-style");
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manageProductModal.getElement().getStyle().setWidth(60, Unit.PCT);
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manageProductModal.show();
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// async request to fetch the product
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retrieveProductBean(productIdentifier);
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}
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/**
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* Actually builds the widget... asks for details about the record
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* @param productIdentifier
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*/
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private void retrieveProductBean(final String productIdentifier) {
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// check if it is an administrator
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service.isAdminUser(new AsyncCallback<Boolean>() {
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@Override
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public void onSuccess(Boolean result) {
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if(!result){
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showInfo(NO_ADMIN_ROLE, AlertType.ERROR);
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// hide the form and disable the send button
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formUpdate.setVisible(false);
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confirmButton.setEnabled(false);
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loadingImage.setVisible(false);
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// ask to hide management panel
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if(eventBus != null){
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eventBus.fireEvent(new HideManagementPanelEvent());
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GWT.log("Hide management panel event sent");
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}
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}else{
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service.getProductBeanById(productIdentifier, new AsyncCallback<ManageProductBean>() {
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@Override
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public void onSuccess(ManageProductBean resBean) {
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if(resBean == null){
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showInfo(ERROR_ON_RETRIEVING_BEAN, AlertType.ERROR);
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formUpdate.setVisible(false);
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confirmButton.setEnabled(false);
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}else{
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bean = resBean;
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infoBlock.setVisible(false);
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// top: more or less fixed information
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GRSFNameTexBox.setText(bean.getGrsfName());
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shortNameTextBox.setText(bean.getShortName());
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semanticIdentifierTextBox.setText(bean.getSemanticIdentifier());
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productGrsfType.setText(bean.getGrsfType());
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currentStatus.setText(bean.getCurrentStatus().toString());
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traceabilityFlag.setValue(bean.isTraceabilityFlag());
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traceabilityFlag.setText("Traceability");
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traceabilityFlag.setTitle("Current value for this flag in the Knowledge Base is " + bean.isTraceabilityFlag());
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// manage sources
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List<SourceRecord> availableSources = bean.getSources();
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panelForSourceItems.add(new SourceWidget(availableSources));
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// manage similar GRSF records, if any
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if(bean.getSimilarGrsfRecords() != null && !bean.getSimilarGrsfRecords().isEmpty()){
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List<SimilarGRSFRecord> availableGRSFSimilarRecords = bean.getSimilarGrsfRecords();
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similarRecordPanel = new SimilarGRSFRecordWidget(availableGRSFSimilarRecords);
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panelForSimilarGRSFRecords.add(similarRecordPanel);
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}else
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similarGRSFRecordGroup.setVisible(false);
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// further suggested merges
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suggestedMergesPanel = new SuggestMerges(service);
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panelForFurtherMerges.add(suggestedMergesPanel);
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// prepare "connect" panel
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connectWidget = new ConnectToWidget(bean, service);
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panelForConnectOtherRecords.add(connectWidget);
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// check for new status box
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List<Status> statusToShow = new ArrayList<Status>(STATUS);
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statusToShow.remove(bean.getCurrentStatus());
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statusToShow.remove(Status.To_be_Merged); // it cannot be set by a user
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// if the record isn't approved, then remove also archived
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if(!bean.getCurrentStatus().equals(Status.Approved))
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statusToShow.remove(Status.Archived);
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listBoxStatus.addItem("Select a new status");
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listBoxStatus.getElement().<SelectElement>cast().getOptions().getItem(0).setDisabled(true);
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for (Status availableStatus : statusToShow) {
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listBoxStatus.addItem(availableStatus.toString());
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}
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listBoxStatus.setSelectedIndex(0);
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formUpdate.setVisible(true);
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}
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loadingImage.setVisible(false);
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}
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@Override
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public void onFailure(Throwable caught) {
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if(caught instanceof NoGRSFRecordException)
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showInfo(NO_GRSF_RECORD_BEAN, AlertType.WARNING);
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else
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showInfo("Error is " + caught, AlertType.ERROR);
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// hide the form and disable the send button
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formUpdate.setVisible(false);
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confirmButton.setEnabled(false);
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loadingImage.setVisible(false);
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}
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});
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}
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}
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@Override
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public void onFailure(Throwable caught) {
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showInfo(NO_ADMIN_ROLE, AlertType.ERROR);
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// hide the form and disable the send button
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formUpdate.setVisible(false);
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confirmButton.setEnabled(false);
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loadingImage.setVisible(false);
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}
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});
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}
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@UiHandler("confirmButton")
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void onSaveButton(ClickEvent ce){
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// if the status has not be changed ...
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if(listBoxStatus.getSelectedIndex() <= 0)
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bean.setNewStatus(bean.getCurrentStatus());
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else
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bean.setNewStatus(Status.fromString(listBoxStatus.getSelectedItemText()));
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manageProductModal.setCloseVisible(false);
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cancelButton.setEnabled(false);
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confirmButton.setEnabled(false);
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loaderIcon.setVisible(true);
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// get short name
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bean.setShortNameUpdated(shortNameTextBox.getText());
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// evaluate the connections and the actions on them
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bean.setConnections(connectWidget.getConnectList());
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// update similar records and to connect
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if(similarRecordPanel != null)
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bean.setSimilarGrsfRecords(similarRecordPanel.getSimilarRecords());
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else
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bean.setSimilarGrsfRecords(new ArrayList<SimilarGRSFRecord>(0));
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// add the suggested ones, if any
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bean.getSimilarGrsfRecords().addAll(suggestedMergesPanel.getSimilarRecords());
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// set the merge operator on the bean if there is at least one merge to be done
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for(SimilarGRSFRecord sR: bean.getSimilarGrsfRecords()){
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if(sR.isSuggestedMerge()){
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bean.setMergesInvolved(true);
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break;
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}
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}
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// set new values
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bean.setAnnotation(new HTML(annotationArea.getText().trim()).getText());
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// traceability flag
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bean.setTraceabilityFlag(traceabilityFlag.getValue());
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service.notifyProductUpdate(bean, new AsyncCallback<String>() {
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@Override
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public void onSuccess(String result) {
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if(result == null){
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showInfo(STATUS_UPDATE_SUCCESS, AlertType.SUCCESS);
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confirmButton.removeFromParent();
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formUpdate.setVisible(false);
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}else{
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showInfo(STATUS_UPDATE_ERROR + "(" + result + ")", AlertType.ERROR);
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confirmButton.setEnabled(true);
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}
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manageProductModal.setCloseVisible(true);
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cancelButton.setEnabled(true);
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loaderIcon.setVisible(false);
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}
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@Override
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public void onFailure(Throwable caught) {
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manageProductModal.setCloseVisible(true);
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cancelButton.setEnabled(true);
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confirmButton.setEnabled(true);
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loaderIcon.setVisible(false);
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showInfo(STATUS_UPDATE_ERROR + ": " + caught.getMessage(), AlertType.ERROR);
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}
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});
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}
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@UiHandler("cancelButton")
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void onCancelButton(ClickEvent ce){
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manageProductModal.hide();
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}
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/**
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* Show information
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* @param statusUpdateError
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*/
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protected void showInfo(String statusUpdateError, AlertType type) {
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infoBlock.setText(statusUpdateError);
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infoBlock.setType(type);
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infoBlock.setVisible(true);
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}
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}
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