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Different styles how to indicate that a component contains invalid data

/*  * Copyright (c) 2003-2005 JGoodies Karsten Lentzsch. All Rights Reserved.  *  * Redistribution and use in source and binary forms, with or without   * modification, are permitted provided that the following conditions are met:  *   *  o Redistributions of source code must retain the above copyright notice,   *    this list of conditions and the following disclaimer.   *       *  o Redistributions in binary form must reproduce the above copyright notice,   *    this list of conditions and the following disclaimer in the documentation   *    and/or other materials provided with the distribution.   *       *  o Neither the name of JGoodies Karsten Lentzsch nor the names of   *    its contributors may be used to endorse or promote products derived   *    from this software without specific prior written permission.   *       * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR   * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;   * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE   * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,   * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.   */ package com.jgoodies.validation.tutorial.basics; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import javax.swing.*; import com.jgoodies.forms.builder.PanelBuilder; import com.jgoodies.forms.layout.CellConstraints; import com.jgoodies.forms.layout.FormLayout; import com.jgoodies.validation.ValidationResult; import com.jgoodies.validation.tutorial.shared.Order; import com.jgoodies.validation.tutorial.shared.OrderModel; import com.jgoodies.validation.tutorial.util.ExampleComponentFactory; import com.jgoodies.validation.tutorial.util.IconFeedbackPanel; import com.jgoodies.validation.tutorial.util.TutorialUtils; import com.jgoodies.validation.util.ValidationResultModel; import com.jgoodies.validation.view.ValidationComponentUtils; /**  * Demonstrates different styles how to indicate that a component  * contains invalid data:   * background changes if empty,  * background reflects the severity,   * overlayed icons the reflect the severity.   *   * @author Karsten Lentzsch  * @version $Revision: 1.8 $  */ public class ComponentFeedbackExample {          private final OrderModel orderModel;          private JTextField mandatoryOrderNoField;     private JTextField mandatoryOrderDateField;     private JTextField mandatoryDeliveryDateField;     private JTextArea  mandatoryDeliveryNotesArea;     private JComponent mandatoryPanel;          private JTextField severityOrderNoField;     private JTextField severityOrderDateField;     private JTextField severityDeliveryDateField;     private JTextArea  severityDeliveryNotesArea;     private JComponent severityPanel;          private JTextField iconOrderNoField;     private JTextField iconOrderDateField;     private JTextField iconDeliveryDateField;     private JTextArea  iconDeliveryNotesArea;     private JComponent iconOverlayPanel;          public static void main(String[] args) {         try {             UIManager.setLookAndFeel("com.jgoodies.looks.plastic.PlasticXPLookAndFeel");         } catch (Exception e) {             // Likely Plastic is not in the classpath; ignore it.         }         JFrame frame = new JFrame();         frame.setTitle("Basics :: Component Feedback");         frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);         JComponent panel = new ComponentFeedbackExample().buildPanel();         frame.getContentPane().add(panel);         frame.pack();         TutorialUtils.locateOnScreenCenter(frame);         frame.setVisible(true);     }          // Instance Creation ******************************************************     public ComponentFeedbackExample() {         orderModel  = new OrderModel(new Order());     }               // Component Creation and Initialization **********************************     private void initComponents() {         mandatoryOrderNoField = ExampleComponentFactory.createTextField(                 orderModel.getModel(Order.PROPERTYNAME_ORDER_NO), false);         mandatoryOrderDateField = ExampleComponentFactory.createDateField(                 orderModel.getModel(Order.PROPERTYNAME_ORDER_DATE),                  true);         mandatoryDeliveryDateField = ExampleComponentFactory.createDateField(                 orderModel.getModel(Order.PROPERTYNAME_DELIVERY_DATE),                  true);         mandatoryDeliveryNotesArea = ExampleComponentFactory.createTextArea(                 orderModel.getModel(Order.PROPERTYNAME_DELIVERY_NOTES), false);         severityOrderNoField = ExampleComponentFactory.createTextField(                 orderModel.getModel(Order.PROPERTYNAME_ORDER_NO), false);         severityOrderDateField = ExampleComponentFactory.createDateField(                 orderModel.getModel(Order.PROPERTYNAME_ORDER_DATE));         severityDeliveryDateField = ExampleComponentFactory.createDateField(                 orderModel.getModel(Order.PROPERTYNAME_DELIVERY_DATE),                  true);         severityDeliveryNotesArea = ExampleComponentFactory.createTextArea(                 orderModel.getModel(Order.PROPERTYNAME_DELIVERY_NOTES), false);         iconOrderNoField = ExampleComponentFactory.createTextField(                 orderModel.getModel(Order.PROPERTYNAME_ORDER_NO), false);         iconOrderDateField = ExampleComponentFactory.createDateField(                 orderModel.getModel(Order.PROPERTYNAME_ORDER_DATE));         iconDeliveryDateField = ExampleComponentFactory.createDateField(                 orderModel.getModel(Order.PROPERTYNAME_DELIVERY_DATE),                  true);         iconDeliveryNotesArea = ExampleComponentFactory.createTextArea(                 orderModel.getModel(Order.PROPERTYNAME_DELIVERY_NOTES), false);     }               private void initComponentAnnotations() {         ValidationComponentUtils.setMandatory(mandatoryOrderNoField, true);         ValidationComponentUtils.setMessageKey(mandatoryOrderNoField, "Order.Order No");         ValidationComponentUtils.setMandatory(mandatoryOrderDateField, true);         ValidationComponentUtils.setMessageKey(mandatoryOrderDateField, "Order.Order Date");         ValidationComponentUtils.setMessageKey(mandatoryDeliveryDateField, "Order.Delivery Date");         ValidationComponentUtils.setMessageKey(mandatoryDeliveryNotesArea, "Order.Notes");                  ValidationComponentUtils.setMandatory(severityOrderNoField, true);         ValidationComponentUtils.setMessageKey(severityOrderNoField, "Order.Order No");         ValidationComponentUtils.setMandatory(severityOrderDateField, true);         ValidationComponentUtils.setMessageKey(severityOrderDateField, "Order.Order Date");         ValidationComponentUtils.setMessageKey(severityDeliveryDateField, "Order.Delivery Date");         ValidationComponentUtils.setMessageKey(severityDeliveryNotesArea, "Order.Notes");         ValidationComponentUtils.setMandatory(iconOrderNoField, true);         ValidationComponentUtils.setMessageKey(iconOrderNoField, "Order.Order No");         ValidationComponentUtils.setMandatory(iconOrderDateField, true);         ValidationComponentUtils.setMessageKey(iconOrderDateField, "Order.Order Date");         ValidationComponentUtils.setMessageKey(iconDeliveryDateField, "Order.Delivery Date");         ValidationComponentUtils.setMessageKey(iconDeliveryNotesArea, "Order.Notes");     }               private void initEventHandling() {         orderModel.getValidationResultModel().addPropertyChangeListener(                 ValidationResultModel.PROPERTYNAME_RESULT,                 new ValidationChangeHandler());     }          // Building ***************************************************************     /**      * Builds and returns the whole editor with 3 sections       * for the different validation times.      */     public JComponent buildPanel() {         initComponents();         initComponentAnnotations();         initEventHandling();                  mandatoryPanel   = buildMandatoryPanel();         severityPanel    = buildSeverityPanel();         iconOverlayPanel = buildIconOverlayPanel();                  FormLayout layout = new FormLayout(                 "fill:pref:grow",                 "p, 3dlu, p, 17dlu, p, 3dlu, p, 17dlu, p, 3dlu, p");                  PanelBuilder builder = new PanelBuilder(layout);         builder.setDefaultDialogBorder();         CellConstraints cc = new CellConstraints();                  builder.addSeparator("Background Indicates Blank Mandatory Fields", cc.xy(1,  1));         builder.add(mandatoryPanel,                                         cc.xy(1,  3));         builder.addSeparator("Background Indicates Invalid Input",          cc.xy(1,  5));         builder.add(severityPanel,                                          cc.xy(1,  7));         builder.addSeparator("Icons Indicate Invalid Input",                cc.xy(1,  9));         builder.add(iconOverlayPanel,                                       cc.xy(1, 11));                  // Synchronize the presentation with the current validation state.         // If you want to show no validation info before the user has typed         // anything in the form, use the commented EMPTY result         // instead of the model's validation result.         updateComponentTreeMandatoryAndSeverity(                 orderModel.getValidationResultModel().getResult()                 // ValidationResult.EMPTY         );                  return builder.getPanel();     }               private JComponent buildMandatoryPanel() {         FormLayout layout = new FormLayout(                 "right:max(65dlu;pref), 4dlu, 40dlu, 2dlu, 40dlu, 80dlu:grow",                 "p, 3dlu, p, 3dlu, p, 3dlu, p");                  layout.setRowGroups(new int[][]{{1, 3, 5, 7}});         PanelBuilder builder = new PanelBuilder(layout);         CellConstraints cc = new CellConstraints();                  builder.addLabel("Order No",             cc.xy  (1, 1));         builder.add(mandatoryOrderNoField,       cc.xyw (3, 1, 3));         builder.addLabel("Order-/Delivery Date", cc.xy  (1, 3));         builder.add(mandatoryOrderDateField,     cc.xy  (3, 3));         builder.add(mandatoryDeliveryDateField,  cc.xy  (5, 3));         builder.add(new JScrollPane(mandatoryDeliveryNotesArea),                                                  cc.xywh(3, 5, 4, 3));         return builder.getPanel();     }               private JComponent buildSeverityPanel() {         FormLayout layout = new FormLayout(                 "right:max(65dlu;pref), 4dlu, 40dlu, 2dlu, 40dlu, 80dlu:grow",                 "p, 3dlu, p, 3dlu, p, 3dlu, p");                  layout.setRowGroups(new int[][]{{1, 3, 5, 7}});         PanelBuilder builder = new PanelBuilder(layout);         CellConstraints cc = new CellConstraints();                  builder.addLabel("Order No",             cc.xy  (1, 1));         builder.add(severityOrderNoField,        cc.xyw (3, 1, 3));         builder.addLabel("Order-/Delivery Date", cc.xy  (1, 3));         builder.add(severityOrderDateField,      cc.xy  (3, 3));         builder.add(severityDeliveryDateField,   cc.xy  (5, 3));         builder.add(new JScrollPane(severityDeliveryNotesArea),                                                  cc.xywh(3, 5, 4, 3));         return builder.getPanel();     }               private JComponent buildIconOverlayPanel() {         FormLayout layout = new FormLayout(                 "right:max(65dlu;pref), 4dlu, 40dlu, 2dlu, 40dlu, 80dlu:grow",                 "p, 3dlu, p, 3dlu, p, 3dlu, p, 4px"); // extra bottom space for icons                  layout.setRowGroups(new int[][]{{1, 3, 5, 7}});         PanelBuilder builder = new PanelBuilder(layout);         CellConstraints cc = new CellConstraints();                  builder.addLabel("Order No",             cc.xy  (1, 1));         builder.add(iconOrderNoField,            cc.xyw (3, 1, 3));         builder.addLabel("Order-/Delivery Date", cc.xy  (1, 3));         builder.add(iconOrderDateField,          cc.xy  (3, 3));         builder.add(iconDeliveryDateField,       cc.xy  (5, 3));         builder.addLabel("Notes",                cc.xy  (1, 5));         builder.add(new JScrollPane(iconDeliveryNotesArea),                                                  cc.xywh(3, 5, 4, 3));                  return new IconFeedbackPanel(                 orderModel.getValidationResultModel(),                  builder.getPanel()                 );     }               // Event Handling *********************************************************          private void updateComponentTreeMandatoryAndSeverity(ValidationResult result) {         ValidationComponentUtils.updateComponentTreeMandatoryAndBlankBackground(                 mandatoryPanel);         ValidationComponentUtils.updateComponentTreeSeverityBackground(                 severityPanel,                  result);     }          /**      * Updates the component background in the mandatory panel and the      * validation background in the severity panel. Invoked whenever      * the observed validation result changes.       */     private class ValidationChangeHandler implements PropertyChangeListener {         public void propertyChange(PropertyChangeEvent evt) {             updateComponentTreeMandatoryAndSeverity(                     (ValidationResult) evt.getNewValue());         }     }         }                     validation.zip( 654 k)