317 lines
8.8 KiB
Java
317 lines
8.8 KiB
Java
package org.gcube.portlets.widgets.workspacesharingwidget.client.view.sharing.multisuggest;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import org.gcube.portlets.widgets.workspacesharingwidget.client.view.sharing.ContactFetcher;
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import org.gcube.portlets.widgets.workspacesharingwidget.shared.InfoContactModel;
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import com.extjs.gxt.ui.client.widget.MessageBox;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.event.dom.client.ClickEvent;
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import com.google.gwt.event.dom.client.ClickHandler;
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import com.google.gwt.event.dom.client.KeyCodes;
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import com.google.gwt.event.dom.client.KeyDownEvent;
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import com.google.gwt.event.dom.client.KeyDownHandler;
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import com.google.gwt.event.logical.shared.SelectionEvent;
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import com.google.gwt.event.logical.shared.SelectionHandler;
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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.FlowPanel;
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import com.google.gwt.user.client.ui.MultiWordSuggestOracle;
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import com.google.gwt.user.client.ui.SuggestBox;
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import com.google.gwt.user.client.ui.SuggestOracle;
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import com.google.gwt.user.client.ui.TextBox;
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/**
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* The Class MultiValuePanel.
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*
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* @author Francesco Mangiacrapa
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* Feb 25, 2014
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*/
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public class MultiValuePanel extends Composite {
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// private final WsMailServiceAsync mailingService = GWT.create(WsMailService.class);
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private List<String> itemsSelected = new ArrayList<String>();
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FlowPanel panel = new FlowPanel();
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// private HandlerManager eventBus;
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private HashMap<String, InfoContactModel> users = new HashMap<String, InfoContactModel>(); //AN HAST FULLNAME - INFOCONTACTMODEL
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private BulletList listBullet = new BulletList();
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private SuggestBox box;
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private ContactFetcher userFetch;
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private MultiWordSuggestOracle oracle = new MultiWordSuggestOracle(); //ORACLE OF FULL NAMES
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private boolean readGroupsFromHL;
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private boolean readGroupsFromPortal;
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/**
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* Instantiates a new multi value panel.
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*
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* @param userFetch the ContactFetcher
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* @param readGroupsFromHL the read groups from hl
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* @param readGroupsFromPortal the read groups from portal
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*/
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public MultiValuePanel(ContactFetcher userFetch, boolean readGroupsFromHL, boolean readGroupsFromPortal) {
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this.userFetch = userFetch;
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this.readGroupsFromHL = readGroupsFromHL;
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this.readGroupsFromPortal = readGroupsFromPortal;
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initWidget(panel);
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panel.setWidth("100%");
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listBullet.setStyleName("multivalue-panel-suggest");
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final ListItem item = new ListItem();
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final TextBox itemBox = new TextBox();
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itemBox.getElement().setAttribute("style", "outline-color: -moz-use-text-color; outline-style: none; outline-width: medium; border: none;");
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box = new SuggestBox(getSuggestions(), itemBox);
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item.add(box);
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listBullet.add(item);
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// needed to be set on the itemBox instead of the box, otherwise backspace gets executed twice
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itemBox.addKeyDownHandler(new KeyDownHandler() {
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public void onKeyDown(KeyDownEvent event) {
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// handle backspace
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if (event.getNativeKeyCode() == KeyCodes.KEY_BACKSPACE) {
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if ("".equals(itemBox.getValue().trim())) {
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if(listBullet.getWidgetCount()>2){
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ListItem li = (ListItem) listBullet.getWidget(listBullet.getWidgetCount() - 2);
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if(li.getWidget(0) instanceof Paragraph){
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Paragraph p = (Paragraph) li.getWidget(0);
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GWT.log("p "+p.getText() +" is removable : " + p.isRemovable());
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if (itemsSelected.contains(p.getText()) && p.isRemovable()==true) {
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itemsSelected.remove(p.getText());
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GWT.log("Removing selected item: " + p.getText() + "'");
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listBullet.remove(li);
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}
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itemBox.setFocus(true);
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}
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}
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}
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}
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}
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});
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box.addSelectionHandler(new SelectionHandler<SuggestOracle.Suggestion>() {
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public void onSelection(SelectionEvent<SuggestOracle.Suggestion> selectionEvent) {
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chosenContactItem(itemBox, listBullet);
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}
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});
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panel.add(listBullet);
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box.getElement().setId("suggestion_box"); //needed for the focus on click
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panel.getElement().setAttribute("onclick", "document.getElementById('suggestion_box').focus()");
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}
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/**
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* Box set focus.
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*/
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public void boxSetFocus(){
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box.getElement().focus();
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box.setFocus(true);
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}
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/**
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* Gets the flow panel.
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*
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* @return the flow panel
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*/
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public FlowPanel getFlowPanel(){
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return panel;
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}
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/**
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* actually insert the contact in the flow panel.
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*
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* @param itemBox the item box
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* @param list the list
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*/
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private void chosenContactItem(final TextBox itemBox, final BulletList list) {
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if (itemBox.getValue() != null && !"".equals(itemBox.getValue().trim())) {
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final ListItem displayItem = new ListItem();
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displayItem.setStyleName("multivalue-panel-token-ws");
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Paragraph p = new Paragraph(itemBox.getValue());
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Span span = new Span("x");
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span.addClickHandler(new ClickHandler() {
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public void onClick(ClickEvent clickEvent) {
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removeListItem(displayItem, list);
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}
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});
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displayItem.add(p);
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displayItem.add(span);
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//original value of the item selected
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GWT.log("Adding selected item '" + itemBox.getValue());
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itemsSelected.add(itemBox.getValue());
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GWT.log("Total: " + itemsSelected);
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list.insert(displayItem, list.getWidgetCount() - 1);
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itemBox.setValue("");
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itemBox.setFocus(true);
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}
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}
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/**
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* Gets the selected user.
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*
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* @return the selected contacts (user logins e.g. pino.pini)
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*/
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public List<InfoContactModel> getSelectedUser() {
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if (users == null)
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return new ArrayList<InfoContactModel>();
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else {
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List<InfoContactModel> toReturn = new ArrayList<InfoContactModel>();
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// GWT.log("Selected User: "+itemsSelected);
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// GWT.log("users: "+users);
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for (String fullName : itemsSelected) {
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InfoContactModel wsuser = users.get(fullName);
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if(wsuser!= null && !toReturn.contains(wsuser))
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toReturn.add(wsuser);
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}
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return toReturn;
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}
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}
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/**
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* Removes the list item.
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*
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* @param displayItem the display item
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* @param list the list
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*/
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private void removeListItem(ListItem displayItem, BulletList list) {
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GWT.log("Removing: " + displayItem.getWidget(0).getElement().getInnerHTML(), null);
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itemsSelected.remove(displayItem.getWidget(0).getElement().getInnerHTML());
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list.remove(displayItem);
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}
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/**
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* Gets the suggestions.
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*
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* @return names of possible contacts
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*/
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private MultiWordSuggestOracle getSuggestions() {
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userFetch.getListContact(contacts, false,readGroupsFromHL,readGroupsFromPortal);
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return oracle;
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}
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/**
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* Update suggestions.
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*
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* @param result the result
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*/
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public void updateSuggestions(List<InfoContactModel> result) {
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oracle.clear();
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for (InfoContactModel wsUser : result) {
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oracle.add(wsUser.getName());
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}
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}
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private AsyncCallback<List<InfoContactModel>> contacts = new AsyncCallback<List<InfoContactModel>>() {
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@Override
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public void onFailure(Throwable caught) {
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GWT.log("Error on loading contacts");
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MessageBox.alert("Error", caught.getMessage(), null);
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}
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@Override
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public void onSuccess(List<InfoContactModel> result) {
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users.clear();
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for (InfoContactModel wsUser : result) {
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String fullName = wsUser.getName();
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if(users.containsKey(fullName)){ //case of homonimy
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fullName = fullName+"_";
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users.put(fullName, wsUser);
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}else
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users.put(fullName, wsUser);
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oracle.add(fullName);
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}
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}
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};
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/**
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* Reset item selected.
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*/
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public void resetItemSelected(){
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listBullet.clear();
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itemsSelected.clear();
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ListItem item = new ListItem();
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item.add(box);
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listBullet.add(item);
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}
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/**
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* Adds the recipient.
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*
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* @param fullName the full name
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* @param displayRemoveItem the display remove item
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*/
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public void addRecipient(String fullName, boolean displayRemoveItem) {
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if (fullName != null) {
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TextBox itemBox = new TextBox();
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itemBox.setText(fullName);
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itemBox.setValue(fullName);
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final ListItem displayItem = new ListItem();
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Paragraph p = new Paragraph(fullName);
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displayItem.add(p);
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if(displayRemoveItem){
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displayItem.setStyleName("multivalue-panel-token-ws");
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p.setRemovable(true);
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Span span = new Span("x");
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span.addClickHandler(new ClickHandler() {
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public void onClick(ClickEvent clickEvent) {
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removeListItem(displayItem, listBullet);
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}
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});
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displayItem.add(span);
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}
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else{
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displayItem.setStyleName("multivalue-panel-token-ws-notselectable");
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p.setRemovable(false);
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}
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GWT.log("Adding selected wp item '" + itemBox.getValue());
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itemsSelected.add(itemBox.getValue());
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GWT.log("Total: " + itemsSelected);
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listBullet.insert(displayItem, listBullet.getWidgetCount()-1);
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itemBox.setValue("");
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itemBox.setFocus(true);
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}
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}
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/**
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* Clear list.
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*/
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public void clearList() {
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listBullet.clear();
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}
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/**
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* Gets the box.
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*
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* @return the box
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*/
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public SuggestBox getBox() {
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return box;
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}
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}
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