Source Code : Validating On Focus Lost Example

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

Validating On Focus Lost 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.layout.CellConstraints;
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.ValidationResultModel;
import com.jgoodies.validation.util.ValidationUtils;
import com.jgoodies.validation.view.ValidationResultViewFactory;

public class ValidatingOnFocusLostExample extends JPanel {
    private Feed feed;
    private FeedPresentationModel feedPresentationModel;

    public ValidatingOnFocusLostExample() {
        DefaultFormBuilder formBuilder = new DefaultFormBuilder(new FormLayout("right:pref, 3dlu, p:g"));
        formBuilder.setDefaultDialogBorder();

        createFeed();
        this.feedPresentationModel = new FeedPresentationModel(this.feed);
        ValueModel nameModel = this.feedPresentationModel.getModel("name");
        ValueModel feedModel = this.feedPresentationModel.getModel("feedUrl");
        ValueModel siteModel = this.feedPresentationModel.getModel("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);

        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"));

        add(formBuilder.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");
    }

    private 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() {
            ValidationResult validationResult = new ValidationResult();

            String name = (String) getModel("name").getValue();
            String feedUrl = (String) getModel("feedUrl").getValue();
            String siteUrl = (String) getModel("siteUrl").getValue();

            if (ValidationUtils.isEmpty(name)) {
                validationResult.addError("The name field can not be blank.");
            } else if (!ValidationUtils.hasBoundedLength(name, 5, 14)) {
                validationResult.addError("The name field must be between 5 and 14 characters.");
            }

            if (!"ClientJava.com".equals(name)) {
                validationResult.addWarning("This form prefers the feed ClientJava.com");
            }


            if (ValidationUtils.isEmpty(feedUrl)) {
                validationResult.addError("The feed field can not be blank.");
            }

            if (ValidationUtils.isEmpty(siteUrl)) {
                validationResult.addError("The site field can not be blank.");
            }

            return validationResult;
        }

        private void initEventHandling() {
            PropertyChangeListener handler = new ValidationUpdateHandler();
            addBeanPropertyChangeListener(handler);
            getBeanChannel().addValueChangeListener(handler);
        }


        // Event Handling *********************************************************
        class ValidationUpdateHandler implements PropertyChangeListener {
            public void propertyChange(PropertyChangeEvent evt) {
                updateValidationResult();
            }

            private void updateValidationResult() {
                ValidationResult result = validate();
                getValidationModel().setResult(result);
            }
        }
    }

    public static void main(String[] a){
      JFrame f = new JFrame("Validation on Focus Lost Example");
      f.setDefaultCloseOperation(2);
      f.add(new ValidatingOnFocusLostExample());
      f.pack();
      f.setVisible(true);
    }
}

           
       

Thank with us