Java tutorial
/** * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * * 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 for * more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., 59 * Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package ca.sfu.federation.viewer.propertysheet; import ca.sfu.federation.Application; import ca.sfu.federation.ApplicationContext; import ca.sfu.federation.model.Component; import com.developer.rose.BeanProxy; import java.lang.reflect.Method; import java.util.Iterator; import java.util.List; import java.util.Observable; import java.util.Observer; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.*; import org.apache.commons.lang.exception.ExceptionUtils; /** * @author Davis Marques */ public class CoordinateSystemPropertySheet extends JPanel implements Observer { private static final Logger logger = Logger.getLogger(CoordinateSystemPropertySheet.class.getName()); private JScrollPane jScrollPane1; private JComboBox jcbUpdateMethod; private JTextField jtfCanonicalName; private JTextField jtfClass; private JTextField jtfDescription; private JTextField jtfName; private JTextField jtfParentContext; private JTextField jtfX; private JTextField jtfY; private JTextField jtfZ; private JLabel lblCanonicalName; private JLabel lblClass; private JLabel lblDescription; private JLabel lblINamedObject; private JLabel lblName; private JLabel lblParentContext; private JLabel lblUpdateMethod; private JLabel lblX; private JLabel lblY; private JLabel lblZ; private Component target; //-------------------------------------------------------------------------- /** * CoordinateSystemPropertySheet constructor */ public CoordinateSystemPropertySheet() { lblINamedObject = new JLabel(); lblName = new JLabel(); lblDescription = new JLabel(); jtfClass = new JTextField(); jtfName = new JTextField(); jtfCanonicalName = new JTextField(); lblCanonicalName = new JLabel(); lblClass = new JLabel(); jtfDescription = new JTextField(); lblParentContext = new JLabel(); jtfParentContext = new JTextField(); lblX = new JLabel(); lblY = new JLabel(); lblZ = new JLabel(); jtfX = new JTextField(); jtfY = new JTextField(); jtfZ = new JTextField(); lblUpdateMethod = new JLabel(); jcbUpdateMethod = new JComboBox(); jScrollPane1 = new JScrollPane(); lblINamedObject.setFont(new java.awt.Font("Tahoma", 0, 14)); lblINamedObject.setText("jLabel1"); lblName.setText("Name"); lblDescription.setText("Description"); lblCanonicalName.setText("Canonical Name"); lblClass.setText("Class"); lblParentContext.setText("Parent Context"); lblX.setText("X Coordinate"); lblY.setText("Y Coordinate"); lblZ.setText("Z Coordinate"); lblUpdateMethod.setText("Update Method"); jtfParentContext.setEditable(false); jtfClass.setEditable(false); jtfCanonicalName.setEditable(false); jScrollPane1.setBorder(javax.swing.BorderFactory.createEtchedBorder()); org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(this); this.setLayout(layout); layout.setHorizontalGroup( layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup().addContainerGap() .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING) .add(jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 301, Short.MAX_VALUE) .add(org.jdesktop.layout.GroupLayout.LEADING, lblINamedObject) .add(org.jdesktop.layout.GroupLayout.LEADING, layout .createSequentialGroup().add(layout .createParallelGroup( org.jdesktop.layout.GroupLayout.LEADING) .add(lblCanonicalName).add(lblClass).add( lblName) .add(lblDescription).add(lblX).add(lblZ).add(lblY) .add(lblUpdateMethod).add(lblParentContext)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout .createParallelGroup( org.jdesktop.layout.GroupLayout.LEADING) .add(jcbUpdateMethod, 0, 221, Short.MAX_VALUE) .add(jtfName, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE) .add(jtfClass, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE) .add(jtfDescription, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE) .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup() .addPreferredGap( org.jdesktop.layout.LayoutStyle.RELATED) .add(jtfCanonicalName, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE)) .add(jtfParentContext, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE) .add(jtfX, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE) .add(jtfY, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE) .add(jtfZ, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE)))) .addContainerGap())); layout.setVerticalGroup(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .add(layout.createSequentialGroup().addContainerGap().add(lblINamedObject) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE) .add(jtfClass, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(lblClass)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE) .add(jtfName, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(lblName)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE) .add(lblCanonicalName) .add(jtfCanonicalName, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE) .add(lblDescription).add(jtfDescription, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE) .add(jtfParentContext, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(lblParentContext)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE).add(lblX).add( jtfX, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE) .add(jtfY, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(lblY)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE) .add(jtfZ, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(lblZ)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE) .add(jcbUpdateMethod, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(lblUpdateMethod)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 232, Short.MAX_VALUE) .addContainerGap())); // disable non editable fields this.jtfCanonicalName.setEditable(false); this.jtfClass.setEditable(false); this.jtfParentContext.setEditable(false); // set field values this.setValues(); // add action listener jtfName.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jtfNameActionListener(evt); } }); jtfDescription.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jtfDescriptionActionListener(evt); } }); jtfX.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jtfXActionListener(evt); } }); jtfY.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jtfYActionListener(evt); } }); jtfZ.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jtfZActionListener(evt); } }); jcbUpdateMethod.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jcbUpdateMethodActionListener(evt); } }); } //-------------------------------------------------------------------------- private void jtfDescriptionActionListener(java.awt.event.ActionEvent evt) { String command = evt.getActionCommand(); logger.log(Level.INFO, "CoordinateSystemPropertySheet jtfDescriptionActionListener fired {0}", command); try { BeanProxy proxy = new BeanProxy(this.target); proxy.set("description", evt.getActionCommand()); } catch (Exception ex) { String stack = ExceptionUtils.getFullStackTrace(ex); logger.log(Level.WARNING, "{0}", stack); } } private void jtfNameActionListener(java.awt.event.ActionEvent evt) { String command = evt.getActionCommand(); logger.log(Level.INFO, "CoordinateSystemPropertySheet jtfNameActionListener fired {0}", command); try { BeanProxy proxy = new BeanProxy(this.target); proxy.set("name", evt.getActionCommand()); } catch (Exception ex) { String stack = ExceptionUtils.getFullStackTrace(ex); logger.log(Level.WARNING, "{0}", stack); } } private void jtfXActionListener(java.awt.event.ActionEvent evt) { String command = evt.getActionCommand(); logger.log(Level.INFO, "CoordinateSystemPropertySheet jtfXActionListener fired {0}", command); try { BeanProxy proxy = new BeanProxy(this.target); proxy.set("X", evt.getActionCommand()); } catch (Exception ex) { String stack = ExceptionUtils.getFullStackTrace(ex); logger.log(Level.WARNING, "{0}", stack); } } private void jtfYActionListener(java.awt.event.ActionEvent evt) { String command = evt.getActionCommand(); logger.log(Level.INFO, "CoordinateSystemPropertySheet jtfYActionListener fired {0}", command); try { BeanProxy proxy = new BeanProxy(this.target); proxy.set("Y", evt.getActionCommand()); } catch (Exception ex) { String stack = ExceptionUtils.getFullStackTrace(ex); logger.log(Level.WARNING, "{0}", stack); } } private void jtfZActionListener(java.awt.event.ActionEvent evt) { String command = evt.getActionCommand(); logger.log(Level.INFO, "CoordinateSystemPropertySheet jtfZActionListener fired {0}", command); try { BeanProxy proxy = new BeanProxy(this.target); proxy.set("Z", evt.getActionCommand()); } catch (Exception ex) { String stack = ExceptionUtils.getFullStackTrace(ex); logger.log(Level.WARNING, "{0}", stack); } } private void jcbUpdateMethodActionListener(java.awt.event.ActionEvent evt) { String command = evt.getActionCommand(); logger.log(Level.INFO, "CoordinateSystemPropertySheet jcbUpdateMethodActionListener fired {0}", command); try { this.target.setUpdateMethod(evt.getActionCommand()); // update the input arguments panel } catch (Exception ex) { String stack = ExceptionUtils.getFullStackTrace(ex); logger.log(Level.WARNING, "{0}", stack); } } private void setValues() { // target this.target = (Component) Application.getContext().getViewState(ApplicationContext.VIEWER_SELECTION); // listen for changes on the target if (this.target instanceof Observable) { Observable o = (Observable) this.target; o.addObserver(this); } // set field values this.lblINamedObject.setText(this.target.getName()); this.jtfClass.setText(this.target.getClass().toString()); this.jtfName.setText(this.target.getName()); // this.jtfDescription.setText(this.target.getDescription()); this.jtfCanonicalName.setText(this.target.getCanonicalName()); this.jtfParentContext.setText(this.target.getContext().getName()); List<Method> methods = this.target.getUpdateMethods(); Iterator<Method> it = methods.iterator(); while (it.hasNext()) { Method method = it.next(); jcbUpdateMethod.addItem(method.getName()); } } /** * Update event. * @param o Observable object. * @param arg Update argument. */ public void update(Observable o, Object arg) { if (arg instanceof Integer) { Integer eventId = (Integer) arg; logger.log(Level.INFO, "CoordinateSystemPropertySheet received event notification id {0}", eventId); switch (eventId) { case ApplicationContext.EVENT_PROPERTY_CHANGE: logger.log(Level.INFO, "CoordinateSystemPropertySheet fired property change event"); this.setValues(); break; } } } }