125 lines
3.6 KiB
Java
125 lines
3.6 KiB
Java
package org.gcube.portlets.admin.createusers.client;
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import java.util.List;
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import org.gcube.portlets.admin.createusers.client.ui.AddUserForm;
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import org.gcube.portlets.admin.createusers.client.ui.LoadingText;
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import org.gcube.portlets.admin.createusers.client.ui.RegisteredUsersTable;
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import org.gcube.portlets.admin.createusers.shared.VreUserBean;
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import com.github.gwtbootstrap.client.ui.AlertBlock;
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import com.github.gwtbootstrap.client.ui.TabPane;
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import com.github.gwtbootstrap.client.ui.TabPanel;
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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.event.shared.HandlerManager;
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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.VerticalPanel;
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/**
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* The panel that contains the list of users already registered and the form to add new ones.
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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 CreateUsersPanel extends Composite {
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// main vertical panel
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private VerticalPanel mainPanel = new VerticalPanel();
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// Tab panel
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private TabPanel navTabs = new TabPanel();
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// add user subpanel
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private TabPane addUserSubPanel = new TabPane("Create New User");
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// registered users subpanel
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private TabPane registeredUsersSubPanel = new TabPane("Already Created Users") ;
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// Create a remote service proxy to talk to the server-side user manager service.
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private final HandleUsersServiceAsync userServices = GWT.create(HandleUsersService.class);
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// table of registered users
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private RegisteredUsersTable registeredUsersTable;
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// event bus
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private final HandlerManager eventBus = new HandlerManager(null);
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public CreateUsersPanel(){
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super();
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initWidget(mainPanel);
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// form panel
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AddUserForm addUserForm = new AddUserForm(userServices, eventBus, this);
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addUserSubPanel.add(addUserForm);
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// add temporary loader for registered users table
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LoadingText loader = new LoadingText();
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loader.setVisible(true);
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registeredUsersSubPanel.add(loader);
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// add stuff to the main panel
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navTabs.add(addUserSubPanel);
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navTabs.add(registeredUsersSubPanel);
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mainPanel.add(navTabs);
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// select add user form tab
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navTabs.selectTab(0);
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// enlarge navTabs
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mainPanel.setWidth("100%");
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// squeeze the form panel
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addUserSubPanel.setWidth("50%");
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// require already registered users
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userServices.getAlreadyRegisterdUsers(new AsyncCallback<List<VreUserBean>>() {
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@Override
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public void onSuccess(List<VreUserBean> result) {
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if(result == null){
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showProblemsRetrievingList();
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return;
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}
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GWT.log("List of registered users received!");
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registeredUsersTable = new RegisteredUsersTable(result, eventBus);
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registeredUsersSubPanel.clear();
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registeredUsersSubPanel.add(registeredUsersTable);
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}
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@Override
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public void onFailure(Throwable caught) {
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GWT.log("Unable to retrieve list of registered users!" + caught.toString());
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showProblemsRetrievingList();
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}
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});
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}
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/**
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* Show error block if retrieving registered data fails.
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*/
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private void showProblemsRetrievingList() {
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registeredUsersSubPanel.clear();
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AlertBlock error = new AlertBlock(AlertType.ERROR);
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error.setText("It is not possible to retrieve the requested data at the moment. Retry later...");
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error.setAnimation(true);
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error.setClose(false);
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registeredUsersSubPanel.add(error);
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}
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/**
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* Determine if a user with this email has been already registered
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* @param actualEmail
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* @return
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*/
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public boolean isUserPresent(String actualEmail) {
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return registeredUsersTable.isUserPresent(actualEmail);
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}
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}
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