NavigationBackingBean.java

package com.ese.ils.beta.beans;

import java.io.Serializable;
import java.util.Map;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.ManagedProperty;
import javax.faces.bean.ViewScoped;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;

import com.ese.ils.beta.util.DeComposer;

/**
 * Steuert hauptsaechlich die Navigation der Erweiterten Vorlesung
 * Haelt diverse Zustaende fuer enthaltene Sichten
 * Verarbeitet URL-Parameter zur Folienanzeige per QR-Code
 * @author eduard walter
 *
 */
@ManagedBean
@ViewScoped
public class NavigationBackingBean implements Serializable {

	private static final long serialVersionUID = 6593472404995047481L;

	private boolean homeStatus = true;
	private boolean moduleSelectionStatus = false;
	private boolean moduleHomeStatus = false;
	private boolean slideViewerStatus = false;
	private boolean moduleInfoStatus = false;
	private boolean favoriteSelectionStatus = false;
	private boolean questionSelectionStatus = false;
	private boolean questionEditorStatus = false;
	private boolean questionViewerStatus = false;
	private boolean slideUploadStatus = false;
	
	String urlParam = null;

	@ManagedProperty(value = "#{slideBackingBean}")
	private transient SlideBackingBean slideBackingBean;

	public NavigationBackingBean() {
		urlParam = slideRequest();
		if (urlParam != null) {
			homeStatus = false;
			slideViewerStatus = true;
		}
	}

	/**
	 * Liefer den "slide"-Parameter einer URL
	 * @return String urlParam
	 */
	public String slideRequest() {
		FacesContext context = FacesContext.getCurrentInstance();
		Map<String, Object> requests = context.getExternalContext()
				.getRequestMap();
		for (String requestName : requests.keySet()) {
			if (requests.get(requestName) instanceof HttpServletRequestWrapper) {
				HttpServletRequest request = (HttpServletRequest) ((HttpServletRequestWrapper) requests
						.get(requestName)).getRequest();
				if (request.getParameter("slide") != null) {
					urlParam = request.getParameter("slide");
				}
			}
		}
		return urlParam;
	}

	public boolean isHomeStatus() {
		return homeStatus;
	}

	public void setHomeStatus(boolean homeStatus) {
		this.homeStatus = homeStatus;
	}

	public boolean isModuleSelectionStatus() {
		return moduleSelectionStatus;
	}

	public void setModuleSelectionStatus(boolean moduleSelectionStatus) {
		this.moduleSelectionStatus = moduleSelectionStatus;
	}

	public boolean isModuleHomeStatus() {
		return moduleHomeStatus;
	}

	public void setModuleHomeStatus(boolean moduleHomeStatus) {
		this.moduleHomeStatus = moduleHomeStatus;
	}

	public boolean isSlideViewerStatus() {
		return slideViewerStatus;
	}

	public void setSlideViewerStatus(boolean slideViewerStatus) {
		this.slideViewerStatus = slideViewerStatus;
	}

	public SlideBackingBean getSlideBackingBean() {
		return slideBackingBean;
	}

	public void setSlideBackingBean(SlideBackingBean slideBackingBean) {

		this.slideBackingBean = slideBackingBean;
		if (urlParam != null) {
			slideBackingBean.showSlide(urlParam);
			slideBackingBean.getModuleModelBean().setModuleId(DeComposer.slideIdToModuleId(urlParam));
		}
	}

	public boolean isModuleInfoStatus() {
		return moduleInfoStatus;
	}

	public void setModuleInfoStatus(boolean moduleInfoStatus) {
		this.moduleInfoStatus = moduleInfoStatus;
	}

	public boolean isFavoriteSelectionStatus() {
		return favoriteSelectionStatus;
	}

	public void setFavoriteSelectionStatus(boolean favoriteSelectionStatus) {
		this.favoriteSelectionStatus = favoriteSelectionStatus;
	}

	public boolean isQuestionSelectionStatus() {
		return questionSelectionStatus;
	}

	public void setQuestionSelectionStatus(boolean questionSelectionStatus) {
		this.questionSelectionStatus = questionSelectionStatus;
	}

	public boolean isQuestionEditorStatus() {
		return questionEditorStatus;
	}

	public void setQuestionEditorStatus(boolean questionEditorStatus) {
		this.questionEditorStatus = questionEditorStatus;
	}

	public boolean isQuestionViewerStatus() {
		return questionViewerStatus;
	}

	public void setQuestionViewerStatus(boolean questionViewerStatus) {
		this.questionViewerStatus = questionViewerStatus;
	}

	public boolean isSlideUploadStatus() {
		return slideUploadStatus;
	}

	public void setSlideUploadStatus(boolean slideUploadStatus) {
		this.slideUploadStatus = slideUploadStatus;
	}

}