ShareSend.java

package net.thesocialos.client.view;

import java.util.Map;

import net.thesocialos.client.CacheLayer;
import net.thesocialos.client.helper.SearchArrayList;
import net.thesocialos.shared.model.SharedHistory.SHARETYPE;
import net.thesocialos.shared.model.User;

import com.google.gwt.cell.client.AbstractCell;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyUpEvent;
import com.google.gwt.event.dom.client.KeyUpHandler;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.cellview.client.CellList;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.view.client.ListDataProvider;
import com.google.gwt.view.client.ProvidesKey;
import com.google.gwt.view.client.SelectionChangeEvent;
import com.google.gwt.view.client.SingleSelectionModel;

public class ShareSend extends Composite {
	
	private static ShareSendUiBinder uiBinder = GWT.create(ShareSendUiBinder.class);
	@UiField Label lblType;
	@UiField Label lblTypeValue;
	@UiField(provided = true) CellList<User> cellList = new CellList<User>(new AbstractCell<User>() {
		@Override
		public void render(Context context, User value, SafeHtmlBuilder sb) {
			if (value == null) return;
			
			sb.appendHtmlConstant("<table class='chat_state_offline'  width= '100%'>");
			
			// Add the contact image.
			
			sb.appendHtmlConstant("<tr><td rowspan='3'>");
			if (value.getUrlAvatar() == null) sb
					.appendHtmlConstant("<img src='./images/anonymous_avatar.png' width='30' height='35' />");
			else
				sb.appendHtmlConstant("<img src=" + value.getUrlAvatar() + " width='30' height='35' />");
			
			sb.appendHtmlConstant("</td>");
			
			// Add the name and address.
			sb.appendHtmlConstant("<td style='font-size:95%;'>");
			sb.appendEscaped(value.getName() + " " + value.getLastName());
			sb.appendHtmlConstant("</td></tr><tr><td>");
			sb.appendEscaped(value.getEmail());
			sb.appendHtmlConstant("</td></tr></table>");
		}
	});
	@UiField Button buttonSend;
	@UiField TextBox searchBox;
	@UiField TextBox txtTitle;
	
	SingleSelectionModel<User> selectionModel;
	
	ListDataProvider<User> dataProvider;
	/*
	 * Los modelos de la cajas de seleccion de los usuarios
	 */
	ProvidesKey<User> KEY_USERS_PROVIDER;
	
	SearchArrayList usersList = new SearchArrayList();
	
	private SHARETYPE shareType;
	
	private String url;
	
	interface ShareSendUiBinder extends UiBinder<Widget, ShareSend> {
	}
	
	public ShareSend() {
		initWidget(uiBinder.createAndBindUi(this));
		KEY_USERS_PROVIDER = new ProvidesKey<User>() {
			@Override
			public Object getKey(User item) {
				return item == null ? null : item.getEmail();
			}
		};
		/*
		 * Inicializado el adaptador de la cellList de usuario
		 */
		selectionModel = new SingleSelectionModel<User>(KEY_USERS_PROVIDER);
		cellList.setSelectionModel(selectionModel);
		dataProvider = new ListDataProvider<User>(usersList);
		dataProvider.addDataDisplay(cellList);
		init();
		handlers();
	}
	
	public ShareSend(SHARETYPE shareType, String url) {
		this();
		lblTypeValue.setText(shareType.name());
		this.shareType = shareType;
		this.url = url;
	}
	
	private void init() {
		buttonSend.setEnabled(false);
		usersList.clear();
		dataProvider.flush();
		dataProvider.refresh();
		CacheLayer.ContactCalls.getContactsWithoutKey(true, new AsyncCallback<Map<String, User>>() {
			
			@Override
			public void onFailure(Throwable caught) {
				// TODO Auto-generated method stub
				
			}
			
			@Override
			public void onSuccess(Map<String, User> result) {
				
				result.remove(CacheLayer.UserCalls.getUser().getEmail());
				usersList.addAll(result.values());
				dataProvider.flush();
				dataProvider.refresh();
				
			}
		});
	}
	
	private void handlers() {
		selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
			@Override
			public void onSelectionChange(SelectionChangeEvent event) {
				buttonSend.setEnabled(true);
			}
		});
		buttonSend.addClickHandler(new ClickHandler() {
			
			@Override
			public void onClick(ClickEvent event) {
				// TODO Auto-generated method stub
				if (selectionModel.getSelectedObject() != null)
					CacheLayer.ContactCalls.sendShareToContact(selectionModel.getSelectedObject().getOwnKey(),
							shareType, txtTitle.getText(), url, new AsyncCallback<Boolean>() {
								
								@Override
								public void onFailure(Throwable caught) {
									// TODO Auto-generated method stub
									
								}
								
								@Override
								public void onSuccess(Boolean result) {
									/*
									 * Aqui haces lo que quieras. Es al terminar la subida del mensaje
									 */
									
								}
							});
			}
		});
		searchBox.addKeyUpHandler(new KeyUpHandler() {
			
			@Override
			public void onKeyUp(KeyUpEvent event) {
				// TODO Auto-generated method stub
				// System.out.println(display.getSearchBox().getText());
				// ArrayList<User> lista = ;
				dataProvider.setList(usersList.getSearchUsers(searchBox.getText()));
				// System.out.println(lista.size());
				dataProvider.flush();
				dataProvider.refresh();
			}
		});
	}
}