InternmentForm.java

/**
 * Copyright (c) 2006-2011 Floggy Open Source Group. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.sourceforge.floggy.persistence.gui;

import java.util.Date;

import javax.microedition.lcdui.ChoiceGroup;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.DateField;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.TextField;

import net.sourceforge.floggy.persistence.Comparator;
import net.sourceforge.floggy.persistence.FloggyException;
import net.sourceforge.floggy.persistence.HospitalMIDlet;
import net.sourceforge.floggy.persistence.Persistable;
import net.sourceforge.floggy.persistence.PersistableManager;
import net.sourceforge.floggy.persistence.SingleObjectSet;
import net.sourceforge.floggy.persistence.model.Bed;
import net.sourceforge.floggy.persistence.model.BedComparator;
import net.sourceforge.floggy.persistence.model.Doctor;
import net.sourceforge.floggy.persistence.model.Internment;
import net.sourceforge.floggy.persistence.model.Patient;

/**
 * DOCUMENT ME!
 *
 * @author <a href="mailto:thiago.moreira@floggy.org">Thiago Moreira</a>
 * @version $Revision$
  */
public class InternmentForm extends Form implements CommandListener {
	/**
	 * DOCUMENT ME!
	 */
	protected ChoiceGroup cgBeds;

	/**
	 * DOCUMENT ME!
	 */
	protected ChoiceGroup cgDoctors;

	/**
	 * DOCUMENT ME!
	 */
	protected ChoiceGroup cgPatients;

	/**
	 * DOCUMENT ME!
	 */
	protected Command cmdCancel;

	/**
	 * DOCUMENT ME!
	 */
	protected Command cmdOk;

	/**
	 * DOCUMENT ME!
	 */
	protected DateField dtEnter;

	/**
	 * DOCUMENT ME!
	 */
	protected Internment internment;

	/**
	 * DOCUMENT ME!
	 */
	protected SingleObjectSet beds;

	/**
	 * DOCUMENT ME!
	 */
	protected SingleObjectSet doctors;

	/**
	 * DOCUMENT ME!
	 */
	protected SingleObjectSet patients;

	/**
	 * DOCUMENT ME!
	 */
	protected TextField txtReason;

	/**
	 * Creates a new InternmentForm object.
	 */
	public InternmentForm() {
		super("Internment");

		this.internment = new Internment();

		startComponents();

		startPatients();

		startDoctors();

		startBeds();
	}

	/**
	 * DOCUMENT ME!
	*
	* @param cmd DOCUMENT ME!
	* @param dsp DOCUMENT ME!
	*/
	public void commandAction(Command cmd, Displayable dsp) {
		if (cmd == this.cmdOk) {
			PersistableManager pm = PersistableManager.getInstance();

			try {
				this.internment.setEnterDate(this.dtEnter.getDate());
				this.internment.setReason(this.txtReason.getString());
				this.internment.setPatient(getSelectedPatient());
				this.internment.setDoctor(getSelectedDoctor());
				this.internment.setBed(getSelectedBed());
				pm.save(this.internment);
			} catch (FloggyException e) {
				HospitalMIDlet.showException(e);
			}
		}

		HospitalMIDlet.setCurrent(new MainForm());
	}

	/**
	 * DOCUMENT ME!
	*
	* @return DOCUMENT ME!
	*/
	public Bed getSelectedBed() {
		for (int i = 0; i < this.cgBeds.size(); i++) {
			if (this.cgBeds.isSelected(i)) {
				try {
					return (Bed) this.beds.get(i);
				} catch (Exception e) {
				}
			}
		}

		return null;
	}

	/**
	 * DOCUMENT ME!
	*
	* @return DOCUMENT ME!
	*/
	public Doctor getSelectedDoctor() {
		for (int i = 0; i < this.cgDoctors.size(); i++) {
			if (this.cgDoctors.isSelected(i)) {
				try {
					return (Doctor) this.doctors.get(i);
				} catch (Exception e) {
				}
			}
		}

		return null;
	}

	/**
	 * DOCUMENT ME!
	*
	* @return DOCUMENT ME!
	*/
	public Patient getSelectedPatient() {
		for (int i = 0; i < this.cgPatients.size(); i++) {
			if (this.cgPatients.isSelected(i)) {
				try {
					return (Patient) this.patients.get(i);
				} catch (Exception e) {
				}
			}
		}

		return null;
	}

	/**
	 * DOCUMENT ME!
	*/
	public void startBeds() {
		PersistableManager pm = PersistableManager.getInstance();

		try {
			Class bedClass =
				Class.forName("net.sourceforge.floggy.persistence.model.Bed");
			beds = pm.find(bedClass, null, new BedComparator());

			Bed bed = new Bed();

			for (int i = 0; i < beds.size(); i++) {
				beds.get(i, bed);
				this.cgBeds.append(String.valueOf(bed.getNumber()), null);
			}
		} catch (Exception e) {
			HospitalMIDlet.showException(e);
		}
	}

	/**
	 * DOCUMENT ME!
	*/
	public void startDoctors() {
		PersistableManager pm = PersistableManager.getInstance();

		try {
			Class doctorClass =
				Class.forName("net.sourceforge.floggy.persistence.model.Doctor");
			doctors =
				pm.find(doctorClass, null,
					new Comparator() {
						public int compare(Persistable arg0, Persistable arg1) {
							Doctor p1 = (Doctor) arg0;
							Doctor p2 = (Doctor) arg1;

							return p1.getName().compareTo(p2.getName());
						}
					});

			Doctor doctor = new Doctor();

			for (int i = 0; i < doctors.size(); i++) {
				doctors.get(i, doctor);
				this.cgDoctors.append(doctor.getName(), null);
			}
		} catch (Exception e) {
			HospitalMIDlet.showException(e);
		}
	}

	/**
	 * DOCUMENT ME!
	*/
	public void startPatients() {
		PersistableManager pm = PersistableManager.getInstance();

		try {
			Class patientClass =
				Class.forName("net.sourceforge.floggy.persistence.model.Patient");
			patients =
				pm.find(patientClass, null,
					new Comparator() {
						public int compare(Persistable arg0, Persistable arg1) {
							Patient p1 = (Patient) arg0;
							Patient p2 = (Patient) arg1;

							return p1.getName().compareTo(p2.getName());
						}
					});

			Patient patient = new Patient();

			for (int i = 0; i < patients.size(); i++) {
				patients.get(i, patient);
				this.cgPatients.append(patient.getName(), null);
			}
		} catch (Exception e) {
			HospitalMIDlet.showException(e);
		}
	}

	private void startComponents() {
		this.dtEnter = new DateField("Enter date", DateField.DATE);
		this.dtEnter.setDate(new Date());
		this.append(this.dtEnter);

		this.txtReason = new TextField("Reason", internment.getReason(), 100,
				TextField.ANY);
		this.append(this.txtReason);

		this.cgPatients = new ChoiceGroup("Patient", ChoiceGroup.EXCLUSIVE);
		this.append(cgPatients);

		this.cgDoctors = new ChoiceGroup("Doctor", ChoiceGroup.EXCLUSIVE);
		this.append(cgDoctors);

		this.cgBeds = new ChoiceGroup("Beds", ChoiceGroup.EXCLUSIVE);
		this.append(cgBeds);

		this.cmdOk = new Command("Ok", Command.OK, 0);
		this.addCommand(this.cmdOk);

		this.cmdCancel = new Command("Cancel", Command.CANCEL, 1);
		this.addCommand(this.cmdCancel);

		this.setCommandListener(this);
	}
}