Java tutorial
/* * iDART: The Intelligent Dispensing of Antiretroviral Treatment * Copyright (C) 2006 Cell-Life * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published by * the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License version * 2 for more details. * * You should have received a copy of the GNU General Public License version 2 * along with this program; if not, write to the Free Software Foundation, * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ package org.celllife.idart.gui.doctor; import java.text.MessageFormat; import model.manager.AdministrationManager; import org.apache.log4j.Logger; import org.celllife.idart.commonobjects.CommonObjects; import org.celllife.idart.database.hibernate.Doctor; import org.celllife.idart.database.hibernate.util.HibernateUtil; import org.celllife.idart.gui.misc.iDARTChangeListener; import org.celllife.idart.gui.platform.GenericFormGui; import org.celllife.idart.gui.search.Search; import org.celllife.idart.gui.utils.ResourceUtils; import org.celllife.idart.gui.utils.iDartFont; import org.celllife.idart.gui.utils.iDartImage; import org.celllife.idart.messages.Messages; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.MessageBox; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import org.hibernate.HibernateException; import org.hibernate.Transaction; /** */ public class AddDoctor extends GenericFormGui { private Button btnSearch; private Text txtDoctorSurname; private Text txtDoctorFirstname; private Text txtTelephone; private Text txtCellphoneNo; private Text txtEmail; private Label lblInstructions; private Label lblTelephone; private Label lblCellphoneNo; private Label lblEmail; private Doctor localDoctor; private Group grpDoctorInfo; private Composite compStatus; private Label lblStatus; private Button rdBtnActive; private Button rdBtnInactive; private boolean isAddnotUpdate; private iDARTChangeListener changeListener; /** * Use true if you want to add a new doctor, use false if you are updating * an existing doctor * @param parent Shell */ public AddDoctor(Shell parent) { super(parent, HibernateUtil.getNewSession()); if (!isAddnotUpdate) { enableFields(false); txtDoctorSurname.setEnabled(false); txtDoctorFirstname.setEnabled(false); } } /** * This method initializes newDoctor */ @Override protected void createShell() { isAddnotUpdate = ((Boolean) getInitialisationOption(OPTION_isAddNotUpdate)).booleanValue(); String shellTxt = isAddnotUpdate ? Messages.getString("adddoctor.screen.title.new") //$NON-NLS-1$ : Messages.getString("adddoctor.screen.title.update"); //$NON-NLS-1$ Rectangle bounds = new Rectangle(100, 100, 600, 440); buildShell(shellTxt, bounds); } /** * This method initializes compHeader * */ @Override protected void createCompHeader() { String headerTxt = (isAddnotUpdate ? Messages.getString("adddoctor.screen.title.new") //$NON-NLS-1$ : Messages.getString("adddoctor.screen.title.update")); //$NON-NLS-1$ iDartImage icoImage = iDartImage.DOCTOR; // Parent class generic call buildCompHeader(headerTxt, icoImage); } /** * This method initializes compButtons * */ @Override protected void createCompButtons() { // Parent Class generic call buildCompButtons(); } /** * This method initializes compDoctorInfo * */ @Override protected void createContents() { // grpDoctorInfo grpDoctorInfo = new Group(getShell(), SWT.NONE); grpDoctorInfo.setBounds(new Rectangle(60, 90, 480, 240)); lblInstructions = new Label(grpDoctorInfo, SWT.CENTER); lblInstructions.setBounds(new org.eclipse.swt.graphics.Rectangle(110, 15, 260, 20)); lblInstructions.setText(Messages.getString("common.label.compulsory")); //$NON-NLS-1$ lblInstructions.setFont(ResourceUtils.getFont(iDartFont.VERASANS_10_ITALIC)); // lblDoctor & txtDoctor Label lblDoctorSurname = new Label(grpDoctorInfo, SWT.NONE); lblDoctorSurname.setBounds(new org.eclipse.swt.graphics.Rectangle(30, 50, 130, 20)); lblDoctorSurname.setText(Messages.getString("adddoctor.label.surname")); //$NON-NLS-1$ lblDoctorSurname.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); txtDoctorSurname = new Text(grpDoctorInfo, SWT.BORDER); txtDoctorSurname.setBounds(new org.eclipse.swt.graphics.Rectangle(170, 50, 170, 20)); txtDoctorSurname.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); txtDoctorSurname.setFocus(); // btnSearch btnSearch = new Button(grpDoctorInfo, SWT.NONE); btnSearch.setBounds(new org.eclipse.swt.graphics.Rectangle(350, 48, 105, 30)); btnSearch.setText(Messages.getString("adddoctor.button.search.title")); //$NON-NLS-1$ btnSearch.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); btnSearch.setVisible(!isAddnotUpdate); btnSearch.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() { @Override public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { cmdSearchWidgetSelected(); } }); // lblDoctorFirstname & txtDoctorFirstname Label lblDoctorFirstname = new Label(grpDoctorInfo, SWT.NONE); lblDoctorFirstname.setBounds(new org.eclipse.swt.graphics.Rectangle(30, 80, 130, 20)); lblDoctorFirstname.setText(Messages.getString("adddoctor.label.firstname.title")); //$NON-NLS-1$ lblDoctorFirstname.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); txtDoctorFirstname = new Text(grpDoctorInfo, SWT.BORDER); txtDoctorFirstname.setBounds(new org.eclipse.swt.graphics.Rectangle(170, 80, 170, 20)); txtDoctorFirstname.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); // lblTelephone & txtTelephone lblTelephone = new Label(grpDoctorInfo, SWT.NONE); lblTelephone.setBounds(new org.eclipse.swt.graphics.Rectangle(30, 110, 130, 20)); lblTelephone.setText(Messages.getString("adddoctor.label.telephone.title")); //$NON-NLS-1$ lblTelephone.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); txtTelephone = new Text(grpDoctorInfo, SWT.BORDER); txtTelephone.setBounds(new org.eclipse.swt.graphics.Rectangle(170, 110, 170, 20)); txtTelephone.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); // lblCellphoneNo & txtMobile lblCellphoneNo = new Label(grpDoctorInfo, SWT.NONE); lblCellphoneNo.setBounds(new org.eclipse.swt.graphics.Rectangle(30, 140, 130, 20)); lblCellphoneNo.setText(Messages.getString("adddoctor.label.cellphone.title")); //$NON-NLS-1$ lblCellphoneNo.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); txtCellphoneNo = new Text(grpDoctorInfo, SWT.BORDER); txtCellphoneNo.setBounds(new org.eclipse.swt.graphics.Rectangle(170, 140, 170, 20)); txtCellphoneNo.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); // lblEmail & txtEmail lblEmail = new Label(grpDoctorInfo, SWT.NONE); lblEmail.setBounds(new org.eclipse.swt.graphics.Rectangle(30, 170, 130, 20)); lblEmail.setText(Messages.getString("adddoctor.label.email.title")); //$NON-NLS-1$ lblEmail.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); txtEmail = new Text(grpDoctorInfo, SWT.BORDER); txtEmail.setBounds(new org.eclipse.swt.graphics.Rectangle(170, 170, 170, 20)); txtEmail.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); lblStatus = new Label(grpDoctorInfo, SWT.NONE); lblStatus.setBounds(new org.eclipse.swt.graphics.Rectangle(30, 200, 130, 20)); lblStatus.setText(Messages.getString("adddoctor.label.status.title")); //$NON-NLS-1$ lblStatus.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); // compAccStatus compStatus = new Composite(grpDoctorInfo, SWT.NONE); compStatus.setBounds(new Rectangle(170, 200, 220, 20)); rdBtnActive = new Button(compStatus, SWT.RADIO); rdBtnActive.setBounds(new org.eclipse.swt.graphics.Rectangle(0, 0, 80, 20)); rdBtnActive.setText(Messages.getString("adddoctor.buttonactive.title")); //$NON-NLS-1$ rdBtnActive.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); rdBtnActive.setSelection(true); rdBtnInactive = new Button(compStatus, SWT.RADIO); rdBtnInactive.setBounds(new org.eclipse.swt.graphics.Rectangle(90, 0, 80, 20)); rdBtnInactive.setText(Messages.getString("adddoctor.buttoninactive.title")); //$NON-NLS-1$ rdBtnInactive.setFont(ResourceUtils.getFont(iDartFont.VERASANS_8)); rdBtnInactive.setSelection(false); if (isAddnotUpdate) { rdBtnInactive.setEnabled(false); } getShell().setDefaultButton(btnSave); } @Override protected void cmdSaveWidgetSelected() { if (fieldsOk()) { Transaction tx = null; String action = ""; //$NON-NLS-1$ try { tx = getHSession().beginTransaction(); // this is a new doctor if (localDoctor == null && isAddnotUpdate) { localDoctor = new Doctor(txtDoctorSurname.getText(), txtDoctorFirstname.getText(), txtTelephone.getText(), txtCellphoneNo.getText(), txtEmail.getText(), 'T', rdBtnActive.getSelection() ? true : false, 0); action = Messages.getString("adddoctor.action"); //$NON-NLS-1$ AdministrationManager.saveDoctor(getHSession(), localDoctor); } // else, we're updating an existing doctor else if (localDoctor != null && !isAddnotUpdate) { localDoctor.setLastname(txtDoctorSurname.getText()); localDoctor.setFirstname(txtDoctorFirstname.getText()); localDoctor.setTelephoneno(txtTelephone.getText()); localDoctor.setMobileno(txtCellphoneNo.getText()); localDoctor.setEmailAddress(txtEmail.getText()); localDoctor.setActive(rdBtnActive.getSelection() ? true : false); action = Messages.getString("adddoctor.updated"); //$NON-NLS-1$ } getHSession().flush(); tx.commit(); String message = MessageFormat.format(Messages.getString("adddoctor.message"), //$NON-NLS-1$ localDoctor.getFullname(), action); showMessage(MessageDialog.INFORMATION, Messages.getString("adddoctor.messageupdate"), message);//$NON-NLS-1$ fireChangeEvent(localDoctor); cmdCancelWidgetSelected(); } catch (HibernateException he) { getLog().error(Messages.getString("adddoctor.errordb"), he); //$NON-NLS-1$ showMessage(MessageDialog.ERROR, Messages.getString("adddoctor.errordb"), //$NON-NLS-1$ Messages.getString("adddoctor.errordb.saving"));//$NON-NLS-1$ if (tx != null) { tx.rollback(); } } } } /** * clears the current form */ @Override public void clearForm() { txtDoctorSurname.setText(EMPTY); txtDoctorFirstname.setText(EMPTY); txtEmail.setText(EMPTY); txtCellphoneNo.setText(EMPTY); txtTelephone.setText(EMPTY); txtDoctorSurname.setFocus(); txtDoctorSurname.setEditable(true); txtDoctorFirstname.setEditable(true); rdBtnActive.setSelection(true); rdBtnInactive.setSelection(false); localDoctor = null; enableFields(isAddnotUpdate); } @Override protected void cmdCancelWidgetSelected() { cmdCloseSelected(); changeListener = null; } @Override protected void cmdClearWidgetSelected() { clearForm(); btnSearch.setEnabled(true); } private void cmdSearchWidgetSelected() { Search doctorSearch = new Search(getHSession(), getShell(), CommonObjects.DOCTOR, true); if (doctorSearch.getValueSelected() != null) { localDoctor = AdministrationManager.getDoctor(getHSession(), doctorSearch.getValueSelected()[0]); if (loadDoctorsDetails()) { enableFields(true); btnSearch.setEnabled(false); txtDoctorSurname.setEnabled(false); txtDoctorFirstname.setEnabled(false); } else { showMessage(MessageDialog.ERROR, Messages.getString("adddoctor.db.error"), //$NON-NLS-1$ Messages.getString("adddoctor.db.doctorinfo"));//$NON-NLS-1$ } } } /** * Check if the necessary field names are filled in. Returns true if there * are fields missing * @return boolean */ @Override protected boolean fieldsOk() { boolean fieldsOkay = true; if (txtDoctorSurname.getText().equals(EMPTY)) { //$NON-NLS-1$ MessageBox b = new MessageBox(getShell(), SWT.ICON_ERROR | SWT.OK); b.setMessage(Messages.getString("adddoctor.surname.empty")); //$NON-NLS-1$ b.setText(Messages.getString("adddoctor.missingfields")); //$NON-NLS-1$ b.open(); txtDoctorSurname.setFocus(); fieldsOkay = false; } else if (txtDoctorFirstname.getText().equals(EMPTY)) { //$NON-NLS-1$ MessageBox b = new MessageBox(getShell(), SWT.ICON_ERROR | SWT.OK); b.setMessage(Messages.getString("adddoctor.firstname.empty")); //$NON-NLS-1$ b.setText(Messages.getString("adddoctor.missingfields")); //$NON-NLS-1$ b.open(); txtDoctorFirstname.setFocus(); fieldsOkay = false; } return fieldsOkay; } /** * Method loadDoctorsDetails. * @return boolean */ private boolean loadDoctorsDetails() { boolean loadSuccessful = false; try { txtDoctorSurname.setText(localDoctor.getLastname() == null ? EMPTY : localDoctor.getLastname()); //$NON-NLS-1$ txtDoctorFirstname.setText(localDoctor.getFirstname() == null ? EMPTY : localDoctor.getFirstname()); //$NON-NLS-1$ txtEmail.setText(localDoctor.getEmailAddress() == null ? EMPTY : localDoctor.getEmailAddress()); //$NON-NLS-1$ txtCellphoneNo.setText(localDoctor.getMobileno() == null ? EMPTY : localDoctor.getMobileno()); //$NON-NLS-1$ txtTelephone.setText(localDoctor.getTelephoneno() == null ? EMPTY : localDoctor.getTelephoneno()); //$NON-NLS-1$ txtDoctorSurname.setEditable(false); txtDoctorFirstname.setEditable(false); txtTelephone.setFocus(); if (localDoctor.isActive()) { rdBtnActive.setSelection(true); rdBtnInactive.setSelection(false); } else { rdBtnActive.setSelection(false); rdBtnInactive.setSelection(true); } loadSuccessful = true; } catch (Exception e) { loadSuccessful = false; } return loadSuccessful; } /** * Method enableFields. * @param enable boolean */ @Override protected void enableFields(boolean enable) { txtEmail.setEnabled(enable); txtCellphoneNo.setEnabled(enable); txtTelephone.setEnabled(enable); btnSave.setEnabled(enable); } /** * Method submitForm. * @return boolean */ @Override protected boolean submitForm() { return false; } @Override protected void setLogger() { Logger log = Logger.getLogger(this.getClass()); setLog(log); } /** * Method addChangeListener. * * @param listener * iDARTChangeListener */ public void addChangeListener(iDARTChangeListener listener) { this.changeListener = listener; } /** * Method fireChangeEvent. * * @param o * Object */ private void fireChangeEvent(Object o) { if (changeListener != null) { changeListener.changed(o); } } }