content: package com.japisoft.editix.editor.xsd.view;
  
  import javax.swing.JComponent;
  import javax.swing.JTextArea;
  import javax.swing.text.AttributeSet;
  import javax.swing.text.BadLocationException;
  import javax.swing.text.PlainDocument;
  
  import org.w3c.dom.Element;
  import org.w3c.dom.Text;
  
  import com.japisoft.editix.editor.xsd.toolkit.SchemaHelper;
  
  /**
  This program is available under two licenses : 
  
  1. For non commercial usage : 
  
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  2. For commercial usage :
  
  You need to get a commercial license for source usage at : 
  
  http://www.editix.com/buy.html
  
  Copyright (c) 2018 Alexandre Brillant - JAPISOFT SARL - http://www.japisoft.com
  
  @author Alexandre Brillant - abrillant@japisoft.com
  @author JAPISOFT SARL - http://www.japisoft.com
  
  */
  public class AnnotationViewImpl extends JTextArea implements View {
  	private Element initE;
  
  	public AnnotationViewImpl() {
  		setDocument( new CustomPlainDocument() );
  	}
  
  	public void init( Element schemaNode ) {
  		if ( schemaNode != null )
  			if ( "annotation".equals( schemaNode.getLocalName() ) )
  				schemaNode = ( Element )schemaNode.getParentNode();
  
  		this.initE = schemaNode;
  		setEnabled( initE != null );
  		if ( initE != null ) {
  			Element annotation = SchemaHelper.getChildAt( 
  					schemaNode, 
  					0, 
  					new String[] { "annotation" } );
  			if ( annotation != null ) {
  				Element documentation = SchemaHelper.getChildAt( annotation, 0, new String[] { "documentation" } );
  				if ( documentation != null ) {
  					setText( SchemaHelper.getTexts( documentation ) );
  				} else
  					setText( null );
  			} else
  				setText( null );
  		}
  	}
  
  	public JComponent getView() {
  		return this;
  	}
  
  	public void dispose() {
  		initE = null;
  	}	
  
  	public void stopEditing() {}
  
  	class CustomPlainDocument extends PlainDocument {
  		public void insertString(int offs, String str, AttributeSet a) 
  				throws BadLocationException {
  			super.insertString(offs, str, a);
  			resetTexts();
  		}
  		public void remove(int offs, int len) 
  				throws BadLocationException {
  			super.remove(offs, len);
  			if ( getLength() == 0 ) {
  				// Remove documentation node
  				Element annotation = SchemaHelper.getChildAt( initE, 0, new String[] { "annotation" } );
  				if ( annotation != null ) {
  					Element documentation = SchemaHelper.getChildAt( annotation, 0, new String[] { "documentation" } );
  					if ( documentation != null ) {
  						annotation.removeChild( documentation );
  						if ( !SchemaHelper.hasDOMElementChild( annotation ) ) {
  							initE.removeChild( annotation );
  						}
  					}
  				}
  			} else
  				resetTexts();
  		}
  		private void resetTexts() {
  			Element annotation = SchemaHelper.getChildAt( initE, 0, new String[] { "annotation" } );
  			if ( annotation == null ) {
  				annotation = SchemaHelper.createTag( initE, "annotation" );
  				if ( initE.hasChildNodes() ) {
  					initE.insertBefore( annotation, initE.getChildNodes().item( 0 ) );
  				} else
  					initE.appendChild( annotation );
  				Element documentation = SchemaHelper.createTag( initE, "documentation" );
  				Text t = initE.getOwnerDocument().createTextNode( AnnotationViewImpl.this.getText() );
  				documentation.appendChild( t );
  				annotation.appendChild( documentation );
  			} else {
  				Element documentation = SchemaHelper.getChildAt( 
  						annotation, 
  						0, 
  						new String[] { "documentation" } );
  				if ( documentation == null ) {
  					documentation = SchemaHelper.createTag( initE, "documentation" );
  					Text t = initE.getOwnerDocument().createTextNode( AnnotationViewImpl.this.getText() );
  					documentation.appendChild( t );
  					annotation.appendChild( documentation );					
  				} else {
  					// Update text
  					SchemaHelper.removeChildren( documentation );
  					Text t = initE.getOwnerDocument().createTextNode( AnnotationViewImpl.this.getText() );
  					documentation.appendChild( t );					
  				}
  			}
  		}
  	}
  
  }
  