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Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. /
 
 
 package org.apache.cayenne.modeler.util;
 
 import java.awt.Color;
 
 
A validating adapter for JTextComponent. Implement updateModel(java.lang.String)to initialize model on text change.

Author(s):
Andrei Adamchik
 
 public abstract class TextAdapter {
 
     protected Color defaultBGColor;
     protected Color errorColor;
     protected JTextComponent textComponent;
     protected String defaultToolTip;
     protected boolean modelUpdateDisabled;
 
     public TextAdapter(JTextField textField) {
         this(textFieldtruefalsetrue);
     }
 
     public TextAdapter(JTextField textFieldboolean checkOnFocusLost,
             boolean checkOnTypingboolean checkOnEnter) {
         this(textFieldtruefalse);
 
         if (checkOnEnter) {
 
             textField.addActionListener(new ActionListener() {
 
                 public void actionPerformed(ActionEvent e) {
                     updateModel();
                 }
             });
         }
     }
 
     public TextAdapter(JTextArea textField) {
         this(textFieldfalsetrue);
     }
 
     public TextAdapter(JTextComponent textComponentboolean checkOnFocusLost,
             boolean checkOnTyping) {
         this. = .;
         this. = textComponent.getBackground();
         this. = textComponent.getToolTipText();
         this. = textComponent;
 
         if (checkOnFocusLost) {
             textComponent.setInputVerifier(new InputVerifier() {
 
                 public boolean verify(JComponent c) {
                     updateModel();
                     // release focus after coloring the field...
                     return true;
                 }
             });
         }
 
         if (checkOnTyping) {
             textComponent.getDocument().addDocumentListener(new DocumentListener() {
 
                 public void insertUpdate(DocumentEvent e) {
                     verifyTextChange(e);
                 }
 
                 public void changedUpdate(DocumentEvent e) {
                    verifyTextChange(e);
                }
                public void removeUpdate(DocumentEvent e) {
                    verifyTextChange(e);
                }
                void verifyTextChange(DocumentEvent e) {
                    if (!) {
                        updateModel();
                    }
                }
            });
        }
    }

    
Updates bound model with document text.
    protected abstract void updateModel(String textthrows ValidationException;

    
Returns internal text component.
    public JTextComponent getComponent() {
        return ;
    }

    
Sets the text of the underlying text field.
    public void setText(String text) {
         = true;
        try {
            clear();
            .setText(text);
        }
        finally {
             = false;
        }
    }
    protected void updateModel() {
        try {
            updateModel(.getText());
            clear();
        }
        catch (ValidationException vex) {
            .setBackground();
            .setToolTipText(vex.getUnlabeledMessage());
        }
    }
    protected void clear() {
    }
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