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Field List Validator Example

/* Code revised from Desktop Java Live: http://www.sourcebeat.com/downloads/ */ import java.awt.event.ActionEvent; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import javax.swing.AbstractAction; import javax.swing.JButton; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField; import com.jgoodies.binding.adapter.BasicComponentFactory; import com.jgoodies.binding.value.ValueModel; import com.jgoodies.forms.builder.DefaultFormBuilder; import com.jgoodies.forms.layout.CellConstraints; import com.jgoodies.forms.layout.FormLayout; import com.jgoodies.validation.ValidationResult; import com.jgoodies.validation.util.DefaultValidationResultModel; import com.jgoodies.validation.util.ValidationResultModel; import com.jgoodies.validation.view.ValidationResultViewFactory; public class FieldListValidatorExample extends JPanel {     private Feed feed;     private ShowFeedInformationAction showFeedInformationAction;     private FeedPresentationModel feedPresentationModel;     private FeedSpecificValidator feedValidator;     public FieldListValidatorExample() {         DefaultFormBuilder formBuilder = new DefaultFormBuilder(new FormLayout("right:pref, 3dlu, p:g"));         formBuilder.setDefaultDialogBorder();         createFeed();         this.feedPresentationModel = new FeedPresentationModel(this.feed);         ValueModel nameModel = this.feedPresentationModel.getFieldModel("name");         ValueModel feedModel = this.feedPresentationModel.getFieldModel("feedUrl");         ValueModel siteModel = this.feedPresentationModel.getFieldModel("siteUrl");         JTextField nameField = BasicComponentFactory.createTextField(nameModel);         JTextField feedField = BasicComponentFactory.createTextField(feedModel);         JTextField siteField = BasicComponentFactory.createTextField(siteModel);         formBuilder.append("Name:", nameField);         formBuilder.append("Site Url:", siteField);         formBuilder.append("Feed Url:", feedField);         this.feedPresentationModel.getValidationModel().addPropertyChangeListener(ValidationResultModel.PROPERTYNAME_RESULT, new ValidationListener());         this.feedValidator = new FeedSpecificValidator(this.feedPresentationModel);         JComponent validationResultsComponent = ValidationResultViewFactory.createReportList(this.feedPresentationModel.getValidationModel());         formBuilder.appendRow("top:30dlu:g");         CellConstraints cc = new CellConstraints();         formBuilder.add(validationResultsComponent, cc.xywh(1, formBuilder.getRow() + 1, 3, 1, "fill, fill"));         formBuilder.nextLine(2);         formBuilder.append(new JButton(new ValidateAction()), 3);         this.showFeedInformationAction = new ShowFeedInformationAction();         formBuilder.append(new JButton(this.showFeedInformationAction), 3);         add(formBuilder.getPanel());     }     private class ValidationListener implements PropertyChangeListener {         public void propertyChange(PropertyChangeEvent evt) {             if (evt.getPropertyName() == ValidationResultModel.PROPERTYNAME_RESULT) {                 showFeedInformationAction.setEnabled(!feedPresentationModel.getValidationModel().hasErrors());             }         }     }     private class ValidateAction extends AbstractAction {         public ValidateAction() {             super("Validate");         }         public void actionPerformed(ActionEvent e) {             ValidationResult validationResult = feedValidator.validate();             feedPresentationModel.setValidationResults(validationResult);         }     }     private class ShowFeedInformationAction extends AbstractAction {         public ShowFeedInformationAction() {             super("Show Feed Information");             setEnabled(false);         }         public void actionPerformed(ActionEvent event) {             StringBuffer message = new StringBuffer();             message.append("<html>");             message.append("<b>Name:</b> ");             message.append(feed.getName());             message.append("<br>");             message.append("<b>Site URL:</b> ");             message.append(feed.getSiteUrl());             message.append("<br>");             message.append("<b>Feed URL:</b> ");             message.append(feed.getFeedUrl());             message.append("</html>");             JOptionPane.showMessageDialog(null, message.toString());         }     }     private class FeedPresentationModel extends FieldListModel {         private ValidationResultModel validationResultModel;         public FeedPresentationModel(Object bean) {             super(bean);             this.validationResultModel = new DefaultValidationResultModel();         }         public ValidationResultModel getValidationModel() {             return this.validationResultModel;         }         public void setValidationResults(ValidationResult result) {             getValidationModel().setResult(result);         }     }     private void createFeed() {         this.feed = new Feed();         this.feed.setName("ClientJava.com");         this.feed.setSiteUrl("http://www.clientjava.com/blog");         this.feed.setFeedUrl("http://www.clientjava.com/blog/rss.xml");     }     public static void main(String[] a){       JFrame f = new JFrame("Field List Model Validation Example");       f.setDefaultCloseOperation(2);       f.add(new FieldListValidatorExample());       f.pack();       f.setVisible(true);     } }                     jgoodiesValidation.zip( 277 k)