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 ca.sfu.federation.model.InputTable; import ca.sfu.federation.model.ParametricModel; import ca.sfu.federation.model.geometry.IPoint; import ca.sfu.federation.model.geometry.Line; import com.developer.rose.BeanProxy; import java.awt.BorderLayout; import java.lang.reflect.Method; import java.util.*; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.*; import org.apache.commons.lang.exception.ExceptionUtils; import se.datadosen.component.RiverLayout; /** * @author Davis Marques * @version 0.1 */ public class LinePropertySheet extends javax.swing.JPanel implements Observer { private static final Logger logger = Logger.getLogger(LinePropertySheet.class.getName()); private Component target; private JPanel jspUpdateMethodInputs; private JComboBox jcbUpdateMethod; private JTextField jtfCanonicalName; private JTextField jtfClass; private JTextField jtfDescription; private JTextField jtfEndPoint; private JTextField jtfLength; private JTextField jtfMidPoint; private JTextField jtfName; private JTextField jtfParentContext; private JTextField jtfStartPoint; private JTextField jtfDirection; private JLabel lblCanonicalName; private JLabel lblClass; private JLabel lblDescription; private JLabel lblEndPoint; private JLabel lblINamedObject; private JLabel lblLength; private JLabel lblMidPoint; private JLabel lblName; private JLabel lblParentContext; private JLabel lblStartPoint; private JLabel lblUpdateMethod; private JLabel lblDirection; //-------------------------------------------------------------------------- /** * ParametricModelSheet constructor. */ public LinePropertySheet() { 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(); lblStartPoint = new JLabel(); lblMidPoint = new JLabel(); lblEndPoint = new JLabel(); jtfStartPoint = new JTextField(); jtfMidPoint = new JTextField(); jtfEndPoint = new JTextField(); lblUpdateMethod = new JLabel(); jcbUpdateMethod = new JComboBox(); jspUpdateMethodInputs = new JPanel(); lblLength = new JLabel(); jtfLength = new JTextField(); lblDirection = new javax.swing.JLabel(); jtfDirection = new javax.swing.JTextField(); 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"); lblStartPoint.setText("StartPoint"); lblMidPoint.setText("MidPoint"); lblEndPoint.setText("EndPoint"); lblUpdateMethod.setText("Update Method"); lblLength.setText("Length"); lblDirection.setText("Direction"); jtfClass.setEditable(false); jtfCanonicalName.setEditable(false); jtfParentContext.setEditable(false); jtfStartPoint.setEditable(false); jtfMidPoint.setEditable(false); jtfEndPoint.setEditable(false); jtfLength.setEditable(false); jtfDirection.setEditable(false); jspUpdateMethodInputs.setLayout(new BorderLayout()); jspUpdateMethodInputs.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(layout .createSequentialGroup().addContainerGap() .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .add(org.jdesktop.layout.GroupLayout.TRAILING, jspUpdateMethodInputs, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 301, Short.MAX_VALUE) .add(lblINamedObject) .add(layout.createSequentialGroup() .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .add(lblCanonicalName).add(lblClass).add(lblName).add(lblDescription) .add(lblParentContext).add(lblStartPoint).add(lblEndPoint).add(lblMidPoint) .add(lblDirection).add(lblLength)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .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(jtfStartPoint, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE) .add(jtfMidPoint, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE) .add(jtfEndPoint, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE) .add(jtfLength, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE) .add(jtfDirection, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE))) .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup() .add(lblUpdateMethod).add(6, 6, 6).add(jcbUpdateMethod, 0, 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.LEADING) .add(lblParentContext) .add(jtfParentContext, 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(lblStartPoint) .add(jtfStartPoint, 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(jtfMidPoint, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(lblMidPoint)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE) .add(jtfEndPoint, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(lblEndPoint)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE) .add(jtfLength, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(lblLength)) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE) .add(jtfDirection, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(lblDirection)) .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(jspUpdateMethodInputs, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 242, 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(); // set action listeners 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); } }); jcbUpdateMethod.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jcbUpdateMethodActionListener(evt); } }); } //------------------------------------------------------------------------- /** * Build an Update Method user input panel. * @return Panel. */ private JPanel buildUpdateMethodInputsPanel() { // init JPanel panel = new JPanel(); // build panel InputTable inputTable = this.target.getInputTable(); ArrayList keys = (ArrayList) inputTable.getInputKeys(); if (keys.size() > 0) { panel.setLayout(new RiverLayout()); boolean first = true; Iterator e = keys.iterator(); while (e.hasNext()) { String key = (String) e.next(); if (first) { panel.add("p left", new JLabel(key)); panel.add("tab hfill", new InputTextField(inputTable, key)); first = false; } else { panel.add("br", new JLabel(key)); panel.add("tab hfill", new InputTextField(inputTable, key)); } } } // clear the scrollpane, add the new panel, validate this.jspUpdateMethodInputs.removeAll(); this.jspUpdateMethodInputs.add(panel, BorderLayout.CENTER); this.jspUpdateMethodInputs.validate(); // return result return panel; } private void jcbUpdateMethodActionListener(java.awt.event.ActionEvent evt) { String item = (String) this.jcbUpdateMethod.getSelectedItem(); logger.log(Level.INFO, "ComponentSheet jcbUpdateMethodActionListener fired"); try { // set the update method this.target.setUpdateMethod(item); // update the input arguments panel this.buildUpdateMethodInputsPanel(); } catch (Exception ex) { String stack = ExceptionUtils.getFullStackTrace(ex); logger.log(Level.WARNING, "{0}", stack); } } private void jtfDescriptionActionListener(java.awt.event.ActionEvent evt) { String command = evt.getActionCommand(); logger.log(Level.INFO, "ComponentSheet 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, "ComponentSheet 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 setValues() { // target this.target = (Line) Application.getContext().getViewState(ApplicationContext.VIEWER_SELECTION); // 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()); try { BeanProxy proxy = new BeanProxy(this.target); IPoint startPoint = (IPoint) proxy.get("startPoint"); IPoint midPoint = (IPoint) proxy.get("startPoint"); IPoint endPoint = (IPoint) proxy.get("startPoint"); Double length = (Double) proxy.get("length"); this.jtfStartPoint.setText(String.valueOf(startPoint)); this.jtfMidPoint.setText(String.valueOf(midPoint)); this.jtfEndPoint.setText(String.valueOf(endPoint)); this.jtfLength.setText(String.valueOf(length)); } catch (Exception ex) { String stack = ExceptionUtils.getFullStackTrace(ex); logger.log(Level.WARNING, "{0}", stack); } ArrayList<String> methodNameList = new ArrayList<String>(); List<Method> methods = this.target.getUpdateMethods(); Iterator<Method> it = methods.iterator(); while (it.hasNext()) { Method method = it.next(); String name = method.getName(); methodNameList.add(name); } DefaultComboBoxModel comboBoxModel = new DefaultComboBoxModel(methodNameList.toArray()); jcbUpdateMethod.setModel(comboBoxModel); String selected = this.target.getUpdateMethodName(); jcbUpdateMethod.setSelectedItem(selected); // build the input panel this.buildUpdateMethodInputsPanel(); // listen for changes on the target if (this.target instanceof Observable) { Observable o = (Observable) this.target; o.addObserver(this); } } /** * 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, "ComponentSheet received event notification id {0}", eventId); switch (eventId) { case ApplicationContext.EVENT_PROPERTY_CHANGE: logger.log(Level.INFO, "ComponentSheet fired property change event"); this.setValues(); break; } } } }