DayPanel.java

package calendar;

import java.awt.Color;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Locale;
import javax.swing.BoxLayout;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;

/**
 *	This class will format the view on the main calendar panel
 *	to show any events for a single day on a particular month. This will
 *	be partnered with the month view.
 *
 *	@author James Alfei (631989)
 *	@date 22/02/2012
 *	@brief This class will display the day events on the main calendar 
 *	interface
 */

@SuppressWarnings({ "serial", "unused" })
public class DayPanel extends JPanel{

	/**
	 * An array list of events to be displayed on the day panel
	 */
	ArrayList<Event> m_events;

	/**
	 * Main Constructor
	 * 
	 * @param date The date of the day to show events for
	 * @param showing_month The month of the date
	 * @param showing_year The year of the date
	 */

	public DayPanel(final Calendar date, final int showing_month, 
			final int showing_year, ActionListener CalListener) {
		super();
		final int day = date.get(Calendar.DAY_OF_MONTH);
		final int month = date.get(Calendar.MONTH);
		final int year = date.get(Calendar.YEAR);
		String print_day = new Integer(day).toString();

		//if day is 1, print month as well
		if(day == 1)
			print_day += " "+date.getDisplayName(Calendar.MONTH,Calendar.SHORT,
					new Locale(Data.GetSettings().Get("locale")));
		print_day = " "+print_day+" ";


		//getting the events
		m_events = Data.GetEvents().GetEventsByDay(date);


		EtchedBorder temp_border;
		//highlight todays date
		if(Data.GetCurrentDay() == date.get(Calendar.DAY_OF_MONTH) 
				&& Data.GetCurrentMonth() == date.get(Calendar.MONTH) && 
				Data.GetCurrentYear() == date.get(Calendar.YEAR)){
			temp_border = new EtchedBorder(EtchedBorder.LOWERED, Color.black, 
					Color.black);
		} else {
			temp_border = new EtchedBorder(EtchedBorder.LOWERED);
		}

		//set layout for each day
		final TitledBorder border = new TitledBorder(temp_border, print_day);
		if(month == showing_month && year == showing_year)
			border.setTitleColor(Color.black);
		else
			border.setTitleColor(Color.GRAY);

		setBackground(Color.WHITE);
		setBorder(border);
		setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));


		//sort the events by hour
		sortEvents();

		for(int i = 0; i < m_events.size(); i++) {
			add(new EventPanel(m_events.get(i),CalListener));
		}

	}

	/**
	 * This method will sort the events which are displayed on the day panel
	 *  by hour
	 */
	private boolean sortEvents() {
		//	(overall complexity is O(m*n*n), where m = the number of days in 
		//	the view and n is the maximum number of events in a day)
		boolean found;
		do {
			found = false;
			for(int i = 0; i < m_events.size() - 1; i++) {
				if(m_events.get(i).GetStart_date()
						.compareTo(m_events.get(i+1).GetStart_date()) > 0) {
					final Event temp = m_events.get(i);
					m_events.set(i, m_events.get(i+1));
					m_events.set(i+1, temp);
					found = true;
				}
			}
		}while(found);
		return true;
	}

	/*
	 * This class will be mainly used for testing and will be commented
	 * out in the final submission
	 * @param args command line arguments
	 * @throws Exception Any exceptions thrown with making events
	 */

	/*
    public static void main (String[] args) throws Exception{
    	Data.Init();
    	//make new frame
    	JFrame test = new JFrame();
    	Calendar cal = Calendar.getInstance();
    	cal.add(cal.HOUR, 2);
    	// add a SECOND event (time)
    	Data.AddEvent("This should come after", Calendar.getInstance(), cal, 
    			"Test", 0);
    	Calendar cal2 = Calendar.getInstance();
    	cal2.add(cal.HOUR, -1);
    	//Add a FIRST event (time wise)
        Data.AddEvent("First", cal2, cal, "Test", 1);
    	//Make a new frame with panel for events
        //This will also test the sort method to ensure the events
        //	are displayed in order
        DayPanel testPan = new DayPanel(cal, 2, 2012);
    	test.getContentPane().add(testPan);
    	test.pack();
    	test.setVisible(true);
    	}
	 */
}