Component Hints Example : Data Validation « Swing Components « Java
Component Hints Example
/*
Code revised from Desktop Java Live:
http://www.sourcebeat.com/downloads/
*/
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import com.jgoodies.binding.PresentationModel;
import com.jgoodies.binding.adapter.BasicComponentFactory;
import com.jgoodies.binding.value.ValueModel;
import com.jgoodies.forms.builder.DefaultFormBuilder;
import com.jgoodies.forms.builder.PanelBuilder;
import com.jgoodies.forms.layout.FormLayout;
import com.jgoodies.validation.ValidationCapable;
import com.jgoodies.validation.ValidationResult;
import com.jgoodies.validation.util.DefaultValidationResultModel;
import com.jgoodies.validation.util.PropertyValidationSupport;
import com.jgoodies.validation.util.ValidationResultModel;
import com.jgoodies.validation.util.ValidationUtils;
import com.jgoodies.validation.view.ValidationComponentUtils;
import com.jgoodies.validation.view.ValidationResultViewFactory;
public class ComponentHintsExample extends JPanel {
private Feed feed;
private FeedPresentationModel feedPresentationModel;
private JPanel panel1;
private JPanel panel2;
private JPanel panel3;
private JComponent iconPanel;
private ValidationResultModel validationModel;
public ComponentHintsExample() {
this.validationModel = new DefaultValidationResultModel();
createFeed();
this.feedPresentationModel = new FeedPresentationModel(this.feed);
ValueModel nameModel = this.feedPresentationModel.getModel("name");
DefaultFormBuilder formBuilder1 = new DefaultFormBuilder(new FormLayout("right:pref, 3dlu, p:g"));
JTextField nameField1 = BasicComponentFactory.createTextField(nameModel, false);
ValidationComponentUtils.setMandatory(nameField1, true);
ValidationComponentUtils.setMessageKey(nameField1, "form.name_key");
formBuilder1.append("Name:", nameField1);
DefaultFormBuilder formBuilder2 = new DefaultFormBuilder(new FormLayout("right:pref, 3dlu, p:g"));
JTextField nameField2 = BasicComponentFactory.createTextField(nameModel, false);
ValidationComponentUtils.setMandatory(nameField2, true);
ValidationComponentUtils.setMessageKey(nameField2, "form.name_key");
formBuilder2.append("Name:", nameField2);
DefaultFormBuilder formBuilder3 = new DefaultFormBuilder(new FormLayout("right:pref, 3dlu, p:g"));
JTextField nameField3 = BasicComponentFactory.createTextField(nameModel, false);
ValidationComponentUtils.setMandatory(nameField3, true);
ValidationComponentUtils.setMessageKey(nameField3, "form.name_key");
formBuilder3.append("Name:", nameField3);
DefaultFormBuilder formBuilder4 = new DefaultFormBuilder(new FormLayout("right:pref, 4dlu, p:g"));
JTextField nameField4 = BasicComponentFactory.createTextField(nameModel, false);
ValidationComponentUtils.setMandatory(nameField4, true);
ValidationComponentUtils.setMessageKey(nameField4, "form.name_key");
formBuilder4.append("Name:", nameField4);
//Padding for overlay icon
formBuilder4.appendRow("5dlu");
this.panel1 = formBuilder1.getPanel();
this.panel2 = formBuilder2.getPanel();
this.panel3 = formBuilder3.getPanel();
this.iconPanel = new IconFeedbackPanel(this.validationModel, formBuilder4.getPanel());
PanelBuilder builder = new PanelBuilder(new FormLayout("p:g"));
builder.setDefaultDialogBorder();
builder.appendRow("p");
builder.add(this.panel1);
builder.nextLine();
builder.appendRow("p");
builder.add(this.panel2);
builder.nextLine();
builder.appendRow("p");
builder.add(this.panel3);
builder.nextLine();
builder.appendRow("4dlu");
builder.nextLine();
builder.appendRow("p");
builder.add(this.iconPanel);
builder.nextLine();
builder.appendRow("4dlu");
builder.nextLine();
builder.appendRow("p:g");
builder.nextLine();
builder.appendRow("p");
builder.addLabel("Results");
builder.nextLine();
builder.appendRow("50dlu");
builder.add(ValidationResultViewFactory.createReportList(this.validationModel));
add(builder.getPanel());
}
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 class FeedPresentationModel extends PresentationModel implements ValidationCapable {
private ValidationResultModel validationResultModel;
public FeedPresentationModel(Object bean) {
super(bean);
this.validationResultModel = new DefaultValidationResultModel();
initEventHandling();
}
public ValidationResultModel getValidationModel() {
return this.validationResultModel;
}
public ValidationResult validate() {
PropertyValidationSupport support = new PropertyValidationSupport(feed, "form");
String name = (String) getModel("name").getValue();
if (!ValidationUtils.isEmpty(name)) {
if (!"ClientJava.com".equals(name)) {
support.addWarning("name_key", "is not ClientJava.com");
}
if (name.length() < 5) {
support.addError("name_key", "must be more than 4 characters long.");
}
}
return support.getResult();
}
private void initEventHandling() {
PropertyChangeListener handler = new ValueUpdateHandler();
addBeanPropertyChangeListener(handler);
getBeanChannel().addValueChangeListener(handler);
}
public class ValueUpdateHandler implements PropertyChangeListener {
public void propertyChange(PropertyChangeEvent evt) {
updateComponents();
}
private void updateComponents() {
ValidationResult result = validate();
validationModel.setResult(result);
ValidationComponentUtils.updateComponentTreeMandatoryAndBlankBackground(panel1);
ValidationComponentUtils.updateComponentTreeMandatoryBackground(panel2);
ValidationComponentUtils.updateComponentTreeMandatoryBorder(panel3);
ValidationComponentUtils.updateComponentTreeValidationBackground(panel1, result);
}
}
}
public static void main(String[] a){
JFrame f = new JFrame("Component Hints Example");
f.setDefaultCloseOperation(2);
f.add(new ComponentHintsExample());
f.pack();
f.setVisible(true);
}
}
jgoodiesValidation.zip( 277 k)
