CalendarEntry.java

package no.ntnu.fp.model;

import java.util.Date;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.io.Serializable;
import java.util.Calendar;

public abstract class CalendarEntry implements Serializable {

	private static final long serialVersionUID = -5666618955325756218L;

	public final static String MEETING = "Meeting";
	public final static String APPOINTMENT = "Appointment";

	protected String description;
	protected User owner;
	protected Location location;
	protected Date startDate;
	protected Date endDate;
	protected int id = -1;

	protected PropertyChangeSupport pcs = new PropertyChangeSupport(this);
	public final static transient String MODEL_PROPERTY = "Model";
	public final static transient String DESC_PROPERTY = "Description";
	public final static transient String OWNER_PROPERTY = "Owner";
	public final static transient String LOC_PROPERTY = "Location";
	public final static transient String START_PROPERTY ="Start time";
	public final static transient String END_PROPERTY ="End time";

	public CalendarEntry(int id) {
		this.id = id;
		pcs = new PropertyChangeSupport(this);
	}

	public CalendarEntry(String description) {
		this.description = description;
		pcs = new PropertyChangeSupport(this);
	}

	public CalendarEntry(String description, Date startDate, Date endDate,
			int id) {
		this(description);
		this.id = id;
		setDate(startDate, endDate);
	}
	
	public CalendarEntry(String description, Date startDate, Date endDate, int id, Location location) {
		this(description, startDate, endDate, id);
		setLocation(location);
	}

	/**
	 * Sets entry start and end date
	 * 
	 * @param startDate
	 *            Start {@code Date} of entry
	 * @param endDate
	 *            End {@code Date} of entry
	 */
	public void setDate(Date startDate, Date endDate) {
		if (startDate.compareTo(endDate) > 0) {
			throw new IllegalArgumentException(
					"Start date cannot be after end date!");
		} else {
			this.startDate = startDate;
			this.endDate = endDate;
		}
	}

	public void setStartDate(Date startDate) {
		Date oldValue = startDate;
		this.startDate = startDate;
		pcs.firePropertyChange(START_PROPERTY, oldValue, startDate);

	}

	public void setEndDate(Date endDate) {
		Date oldValue = endDate;
		this.endDate = endDate;
		pcs.firePropertyChange(END_PROPERTY, oldValue, endDate);
	}

	public Date getStartDate() {
		return startDate;
	}

	public Date getEndDate() {
		return endDate;
	}

	/**
	 * Returns the duration of the entry
	 * 
	 * @return the duration of this entry in minutes
	 */
	public int getDuration() {
		return (int) ((endDate.getTime()-startDate.getTime())/60000);
	}

	public void setLocation(Location location) {
		Location oldValue = this.location;
		this.location = location;
		pcs.firePropertyChange(LOC_PROPERTY, oldValue, location);
		
	}

	public Location getLocation() {
		return location;
	}

	public void setDescription(String description) {
		String oldValue = this.description;
		this.description = description;
		pcs.firePropertyChange(DESC_PROPERTY, oldValue, description);
	}

	public String getDescription() {
		return description;
	}

	public void setOwner(User owner) {
		User oldValue = this.owner;
		this.owner = owner;
		pcs.firePropertyChange(OWNER_PROPERTY, oldValue, owner);
	}

	public User getOwner() {
		return owner;
	}

	public int getID() {
		return this.id;
	}

	public String toString() {
		StringBuilder builder = new StringBuilder();

		builder.append(id);

		return builder.toString();
	}

	public void addPropertyChangeListener(PropertyChangeListener l) {
		if (pcs == null) {
			pcs = new PropertyChangeSupport(this);
		}
		
		pcs.addPropertyChangeListener(l);
	}

	public void removePropertyChangeListener(PropertyChangeListener l) {
		pcs.removePropertyChangeListener(l);
	}
	
	public int getWeek(){
		Calendar cal = Calendar.getInstance();
		cal.setTime(startDate);
		return cal.get(Calendar.WEEK_OF_YEAR);
	}
	
	public int getYear() {
		return startDate.getYear();
	}

	public enum CalendarEntryType {
		MEETING, APPOINTMENT;

		public String toString() {
			switch (this) {
			case MEETING:
				return "Meeting";
			case APPOINTMENT:
				return "Appointment";
			default:
				return null;
			}
		}
	}

	/**
	 * 
	 * @return weekday int corr to {@code Calendar.<DAY>}
	 */
	public int getDayOfWeek() {
		//Calendar c = Calendar.getInstance();
		
		//c.set(Calendar.YEAR, startDate.getYear()+1900);
		//c.set(Calendar.MONTH, startDate.getMonth());
		//c.set(Calendar.DATE, startDate.)
		
		return (startDate.getDay() + 5)%7;
	}

	/**
	 * 
	 * @return minutes since 00:00
	 */
	public int getTimeOfDay() {
		return startDate.getHours()*60+startDate.getMinutes();
	}


	/**
	 * Set the database id
	 * @param id 
	 * 
	 * **/
	public void setID(int id){
		this.id = id;
	}
	
	
	public boolean equals(Object obj){
		if(obj instanceof CalendarEntry){
			CalendarEntry e = (CalendarEntry)obj;
			if(this.id == e.getID()){
				return true;
			}else {
				return false;
			}
		}
		return false;
	}
}