GenericClassroomView.java

package kornell.gui.client.presentation.classroom.generic;

import java.util.logging.Logger;

import com.google.gwt.core.client.GWT;
import com.google.gwt.place.shared.PlaceController;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.web.bindery.event.shared.EventBus;

import kornell.api.client.KornellSession;
import kornell.core.entity.Enrollment;
import kornell.core.entity.EnrollmentCategory;
import kornell.core.to.CourseClassTO;
import kornell.gui.client.ViewFactory;
import kornell.gui.client.event.ShowChatDockEvent;
import kornell.gui.client.event.ShowChatDockEventHandler;
import kornell.gui.client.event.ShowDetailsEvent;
import kornell.gui.client.event.ShowDetailsEventHandler;
import kornell.gui.client.presentation.admin.institution.AdminInstitutionPresenter;
import kornell.gui.client.presentation.classroom.ClassroomView;
import kornell.gui.client.presentation.classroom.generic.details.GenericCourseDetailsView;

public class GenericClassroomView extends Composite implements ClassroomView, ShowDetailsEventHandler, ShowChatDockEventHandler {
	interface MyUiBinder extends UiBinder<Widget, GenericClassroomView> {
	}
	private PlaceController placeCtrl;
	private KornellSession session;
	private EventBus bus;
	private ViewFactory viewFactory;

	Logger logger = Logger.getLogger(AdminInstitutionPresenter.class.getName());
	private static MyUiBinder uiBinder = GWT.create(MyUiBinder.class);

	@UiField
	FlowPanel contentPanel;
	@UiField
	FlowPanel detailsPanel;
	@UiField
	FlowPanel dockChatPanel;
	
	private boolean showCourseClassContent;
	
	private GenericCourseDetailsView detailsView;

	private Presenter presenter;
	
	boolean chatDockWasShown = false;

	public GenericClassroomView(PlaceController placeCtrl, KornellSession session, EventBus bus, ViewFactory viewFactory) {
		this.placeCtrl = placeCtrl;
		this.session = session;
		this.bus = bus;
		this.bus.addHandler(ShowChatDockEvent.TYPE,this);
		this.viewFactory = viewFactory;
		bus.addHandler(ShowDetailsEvent.TYPE,this);
		initWidget(uiBinder.createAndBindUi(this));
		detailsPanel.setVisible(true);
		contentPanel.setVisible(false);
		dockChatPanel.setVisible(false);
	}

	@Override
	public void display(boolean showCourseClassContent) {
		presenter.stopSequencer();
		this.showCourseClassContent = showCourseClassContent;
		if(this.showCourseClassContent){
			presenter.startSequencer();
		}
		detailsView = new GenericCourseDetailsView(bus, session, placeCtrl, viewFactory);
		detailsView.setPresenter(presenter);
		detailsView.initData();
		detailsPanel.clear();
		detailsPanel.add(detailsView);
		CourseClassTO courseClassTO = session.getCurrentCourseClass();
		Enrollment enrollment = courseClassTO!= null ? courseClassTO.getEnrollment() : null;		
		boolean showDetails = !showCourseClassContent || EnrollmentCategory.isFinished(enrollment);
		bus.fireEvent(new ShowDetailsEvent(showDetails));
        bus.fireEvent(new ShowChatDockEvent(!showDetails && session.getCurrentCourseClass() != null && session.getCurrentCourseClass().getCourseClass().isChatDockEnabled()));
	}

	@Override
	public void setPresenter(Presenter presenter) {
		this.presenter = presenter;
	}
	
	@Override
	public FlowPanel getContentPanel() {
		return contentPanel;
	}

	@Override
	public void onShowDetails(ShowDetailsEvent event) {
		boolean showDetails = event.isShowDetails();
		contentPanel.setVisible(!showDetails);
		detailsPanel.setVisible(showDetails);
		if(showDetails) {
			if(dockChatPanel != null){
				dockChatPanel.clear();
			}
			presenter.fireProgressEvent();
		}
	}

	@Override
	public void onShowChatDock(ShowChatDockEvent event) {
		dockChatPanel.setVisible(event.isShowChatDock());
		if(event.isShowChatDock()){
			if(!chatDockWasShown){
				dockChatPanel.clear();
				viewFactory.getMessagePresenterClassroomGlobalChat().threadClicked(null);
				chatDockWasShown = true;
			} else {
				viewFactory.getMessagePresenterClassroomGlobalChat().getChatThreadMessagesSinceLast();
			}
			dockChatPanel.add(viewFactory.getMessagePresenterClassroomGlobalChat().asWidget());
		} else if(dockChatPanel != null){
			dockChatPanel.clear();
		}
	}
}