2017-01-26 18:21:33 +01:00
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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.grsf_manage_widget.client.GRSFManageWidgetService;
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2017-01-27 16:14:14 +01:00
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import org.gcube.datacatalogue.grsf_manage_widget.client.GRSFManageWidgetServiceAsync;
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2017-01-26 18:21:33 +01:00
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import org.gcube.datacatalogue.grsf_manage_widget.shared.GRSFStatus;
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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.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.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.github.gwtbootstrap.client.ui.constants.ControlGroupType;
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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.event.dom.client.ClickEvent;
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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.Widget;
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public class ManageProductWidget extends Composite{
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2017-01-27 16:14:14 +01:00
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private static GRSFManageWidgetServiceAsync service = GWT.create(GRSFManageWidgetService.class);
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2017-01-26 18:21:33 +01:00
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private static ManageProductWidgetUiBinder uiBinder = GWT
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.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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Modal manageProductModal;
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@UiField
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AlertBlock infoBlock;
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@UiField
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TextBox nameTextBox;
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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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Form formUpdate;
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@UiField
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TextBox productType;
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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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private final static List<GRSFStatus> STATUS = new ArrayList<GRSFStatus>(Arrays.asList(GRSFStatus.values()));
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private final static String STATUS_UPDATE_SUCCESS = "The product was 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 product";
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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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private ManageProductBean bean;
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public ManageProductWidget(String productIdentifier) {
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initWidget(uiBinder.createAndBindUi(this));
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if(productIdentifier == null || productIdentifier.isEmpty()){
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GWT.log("The received product identifier is null..");
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return;
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}
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GWT.log("Product identifier is " + productIdentifier);
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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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// async request to fetch the product
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retrieveProductBean(productIdentifier);
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manageProductModal.show();
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}
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private void retrieveProductBean(String productIdentifier) {
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service.getProductBeanById(productIdentifier, new AsyncCallback<ManageProductBean>() {
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@Override
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public void onSuccess(ManageProductBean result) {
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if(result != null){
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bean = result;
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annotationArea.setText("");
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infoBlock.setVisible(false);
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nameTextBox.setText(bean.getProductName());
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currentStatus.setText(bean.getCurrentStatus().toString());
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productType.setText(bean.getProductType());
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List<GRSFStatus> statusToShow = new ArrayList<GRSFStatus>(STATUS);
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statusToShow.remove(bean.getCurrentStatus());
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listBoxStatus.addItem("Select the new status");
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listBoxStatus.getElement().<SelectElement>cast().getOptions().getItem(0).setDisabled(true);
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for (GRSFStatus 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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}
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else{
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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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}
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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(caught.getMessage(), 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("cancelButton")
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void onCancelButton(ClickEvent ce){
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manageProductModal.hide();
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}
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@UiHandler("confirmButton")
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void onSaveButton(ClickEvent ce){
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if(bean == null)
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return;
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listBoxStatusGroup.setType(ControlGroupType.NONE);
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if(listBoxStatus.getSelectedIndex() <= 0){
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listBoxStatusGroup.setType(ControlGroupType.ERROR);
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return;
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}
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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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// set new values
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bean.setAnnotation(new HTML(annotationArea.getText().trim()).getText());
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bean.setNewStatus(GRSFStatus.fromString(listBoxStatus.getSelectedItemText()));
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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, AlertType.ERROR);
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}
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});
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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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