UserSelectionPage.java
/*
* Copyright (C) 2000 - 2025 Silverpeas
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* As a special exception to the terms and conditions of version 3.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* Open Source Software ("FLOSS") applications as described in Silverpeas's
* FLOSS exception. You should have received a copy of the text describing
* the FLOSS exception, and it is also available here:
* "https://www.silverpeas.org/legal/floss_exception.html"
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.silverpeas.mobile.client.components.userselection;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Element;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.KeyUpEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.Anchor;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.TextBox;
import org.silverpeas.mobile.client.common.EventBus;
import org.silverpeas.mobile.client.common.app.View;
import org.silverpeas.mobile.client.components.UnorderedList;
import org.silverpeas.mobile.client.components.base.PageContent;
import org.silverpeas.mobile.client.components.userselection.events.components.UsersAndGroupsSelectedEvent;
import org.silverpeas.mobile.client.components.userselection.events.pages.AbstractUserSelectionPagesEvent;
import org.silverpeas.mobile.client.components.userselection.events.pages.AllowedUsersAndGroupsLoadedEvent;
import org.silverpeas.mobile.client.components.userselection.events.pages.UserSelectionPagesEventHandler;
import org.silverpeas.mobile.client.components.userselection.resources.UserSelectionMessages;
import org.silverpeas.mobile.client.components.userselection.widgets.UserGroupItem;
import org.silverpeas.mobile.client.components.userselection.widgets.events.AbstractSelectionEvent;
import org.silverpeas.mobile.client.components.userselection.widgets.events.ChangeEvent;
import org.silverpeas.mobile.client.components.userselection.widgets.events.SelectionEventHandler;
import org.silverpeas.mobile.shared.dto.BaseDTO;
import org.silverpeas.mobile.shared.dto.GroupDTO;
import org.silverpeas.mobile.shared.dto.UserDTO;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* @author: svu
*/
public class UserSelectionPage extends PageContent
implements View, UserSelectionPagesEventHandler, SelectionEventHandler {
private static UserSelectionPageUiBinder uiBinder = GWT.create(UserSelectionPageUiBinder.class);
private String contentId;
private List<String> preSelectedUsersIds = new ArrayList<String>();
private List<String> preSelectedGroupsIds = new ArrayList<String>();
public void setMaxSelection(final int maxSelection) {
this.maxSelection = maxSelection;
}
public void setPreSelectedUsersIds(final List<String> preSelectedUsersIds) {
this.preSelectedUsersIds = preSelectedUsersIds;
if (preSelectedUsersIds != null && !preSelectedUsersIds.isEmpty()) continu.setVisible(true);
}
public void setPreSelectedGroupsIds(final List<String> preSelectedGroupsIds) {
this.preSelectedGroupsIds = preSelectedGroupsIds;
if (preSelectedGroupsIds != null && !preSelectedGroupsIds.isEmpty()) continu.setVisible(true);
}
interface UserSelectionPageUiBinder extends UiBinder<HTMLPanel, UserSelectionPage> {
}
@UiField(provided = true) protected UserSelectionMessages msg = null;
@UiField protected HTMLPanel container;
@UiField protected Anchor continu;
@UiField protected UnorderedList list;
@UiField protected TextBox filter;
private int nbUserSelected = 0;
private int maxSelection = 0;
public UserSelectionPage() {
msg = GWT.create(UserSelectionMessages.class);
initWidget(uiBinder.createAndBindUi(this));
container.getElement().setId("notification");
filter.getElement().setAttribute("placeholder", msg.filter());
EventBus.getInstance().addHandler(AbstractUserSelectionPagesEvent.TYPE, this);
EventBus.getInstance().addHandler(AbstractSelectionEvent.TYPE, this);
continu.setVisible(false);
}
public void setContentId(final String contentId) {
this.contentId = contentId;
}
@Override
public void onAllowedUsersAndGroupsLoaded(AllowedUsersAndGroupsLoadedEvent allowedUsersAndGroupsLoadedEvent) {
setTitle();
for (BaseDTO data : allowedUsersAndGroupsLoadedEvent.getListAllowedUsersAndGroups()) {
UserGroupItem item = new UserGroupItem();
item.setData(data);
if (data instanceof UserDTO) {
if (preSelectedUsersIds.contains(data.getId())) {
item.select();
}
list.add(item);
} else if (data instanceof GroupDTO) {
if (preSelectedGroupsIds.contains(data.getId())) {
item.select();
}
list.add(item);
}
}
}
@UiHandler("continu")
protected void prepareToSend(ClickEvent event) {
List<BaseDTO> receivers = new ArrayList<BaseDTO>();
Iterator it = list.iterator();
while (it.hasNext()) {
UserGroupItem item = (UserGroupItem) it.next();
if (item.isSelected()) {
BaseDTO d = item.getData();
if (d instanceof UserDTO) {
((UserDTO) d).setAvatar("");
}
receivers.add(d);
}
}
UsersAndGroupsSelectedEvent ev = new UsersAndGroupsSelectedEvent(receivers);
ev.setContentId(contentId);
EventBus.getInstance().fireEvent(ev);
back();
}
@UiHandler("filter")
protected void filter(KeyUpEvent event) {
String fi = filter.getText();
fi = fi.toLowerCase();
Iterator it = list.iterator();
while (it.hasNext()) {
UserGroupItem item = (UserGroupItem) it.next();
if (!item.isSelected()) { // keep selected items visibles
BaseDTO d = item.getData();
if (fi.isEmpty()) {
item.setVisible(true);
} else {
String value = "";
if (d instanceof UserDTO) {
value = ((UserDTO) d).getLastName();
} else if (d instanceof GroupDTO) {
value = ((GroupDTO) d).getName();
}
value = value.toLowerCase();
if (value.startsWith(filter.getText().toLowerCase())) {
item.setVisible(true);
} else {
item.setVisible(false);
}
}
}
}
}
@Override
public void show() {
super.show();
nbUserSelected = 0;
}
@Override
public void stop() {
super.stop();
EventBus.getInstance().removeHandler(AbstractUserSelectionPagesEvent.TYPE, this);
EventBus.getInstance().removeHandler(AbstractSelectionEvent.TYPE, this);
nbUserSelected = 0;
}
@Override
public void onSelectionChange(ChangeEvent event) {
if (maxSelection == 1) {
for (int i = 0; i < list.getWidgetCount(); i++) {
UserGroupItem item = (UserGroupItem)list.getWidget(i);
if (item != event.getItem()) {
item.unSelect();
}
nbUserSelected = 0;
if (event.getItem().isSelected()) {
nbUserSelected = 1;
}
}
} else {
if (event.getItem().isSelected()) {
nbUserSelected++;
} else {
nbUserSelected--;
}
}
continu.setVisible((nbUserSelected > 0));
setTitle();
}
protected void setTitle() {
Element title = DOM.getElementById("title-instruction");
title.setInnerText(msg.title(nbUserSelected));
}
}