UserStatusWidget.java

package scrum.client.collaboration;

import ilarkesto.core.scope.Scope;
import scrum.client.admin.User;
import scrum.client.common.AScrumWidget;
import scrum.client.workspace.ProjectWorkspaceWidgets;

import com.google.gwt.event.dom.client.MouseMoveEvent;
import com.google.gwt.event.dom.client.MouseMoveHandler;
import com.google.gwt.event.dom.client.MouseOutEvent;
import com.google.gwt.event.dom.client.MouseOutHandler;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.Widget;

public class UserStatusWidget extends AScrumWidget {

	private UsersStatus usersStatus;
	private Label label;
	private User user;

	public UserStatusWidget(User user) {
		this.user = user;
	}

	@Override
	protected Widget onInitialization() {
		usersStatus = Scope.get().getComponent(UsersStatus.class);

		label = new Label(user.getName() + getCurrentProject().getUsersRolesAsString(user, " (", ")"));
		label.setStyleName("UserStatusWidget");
		return label;
	}

	@Override
	protected void onUpdate() {
		String color = getCurrentProject().getUserConfig(user).getColor();
		label.getElement().getStyle().setProperty("color", color);
		Highlighter highlighter = new Highlighter();
		label.addMouseMoveHandler(highlighter);
		label.addMouseOutHandler(highlighter);
		if (usersStatus.isOnline(user) || user == getCurrentUser()) {
			label.addStyleName("UserStatusWidget-online");
		} else {
			label.removeStyleName("UserStatusWidget-online");
		}
	}

	class Highlighter implements MouseMoveHandler, MouseOutHandler {

		public void onMouseMove(MouseMoveEvent event) {
			Scope.get().getComponent(ProjectWorkspaceWidgets.class).highlightUser(user);
		}

		public void onMouseOut(MouseOutEvent event) {
			Scope.get().getComponent(ProjectWorkspaceWidgets.class).highlightUser(null);
		}
	}
}