Examples of javax.swing.event.DocumentEvent

javax.swing.event.DocumentEvent
Interface for document change notifications. This provides detailed information to Document observers about how the Document changed. It provides high level information such as type of change and where it occurred, as well as the more detailed structural changes (What Elements were inserted and removed). @author Timothy Prinzing @see javax.swing.text.Document @see DocumentListener

        doc.insertString(doc.getLength(), "\nline2", null);
        root = doc.getDefaultRootElement();
        view = viewFactory.create(root);
        assertEquals(2, root.getElementCount());
        assertEquals(2, view.getViewCount());
        docEvent = new DocumentEvent() {
            public int getOffset() {
                return 0;
            }


            public int getLength() {

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        labelView = new LabelView(styledDoc.getDefaultRootElement().getElement(0).getElement(0));
    }


    public void testChangedUpdate() {
        StyleConstants.setUnderline(attrs, true);
        DocumentEvent event = new DocumentEvent() {
            public int getOffset() {
                return labelView.getStartOffset();
            }


            public int getLength() {

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            @Override
            public void changedUpdate(DocumentEvent event, Shape allocation, ViewFactory factory) {
                // Do nothing.
            }
        };
        DocumentEvent event = new DocumentEvent() {
            public int getOffset() {
                return labelView.getStartOffset();
            }


            public int getLength() {

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            oldDoc.removeDocumentListener( (DocumentListener) collDocListeners.get( i ));
//System.out.println( "remove " + collDocListeners.get( i ));
          }
          if( oldDoc instanceof AbstractDocument ) {
            final AbstractDocument adoc = (AbstractDocument) oldDoc;
            final DocumentEvent de =
              adoc.new DefaultDocumentEvent( oldDoc.getStartPosition().getOffset(),
                                             oldDoc.getLength(),
                                             DocumentEvent.EventType.REMOVE );
            // simulate clear
            for( int i = 0; i < collDocListeners.size(); i++ ) {
              final DocumentListener l = (DocumentListener) collDocListeners.get( i );
              l.removeUpdate( de );
            }
          }
        }
                
        // re-register new
        final Document newDoc = (Document) pce.getNewValue();
        if( newDoc != null ) {
          newDoc.addUndoableEditListener( TextView.this );
          for( int i = 0; i < collDocListeners.size(); i++ ) {
            newDoc.addDocumentListener( (DocumentListener) collDocListeners.get( i ));
//System.out.println( "add " + collDocListeners.get( i ));
          }
          if( newDoc instanceof AbstractDocument ) {
            final AbstractDocument adoc = (AbstractDocument) newDoc;
            final DocumentEvent de =
              adoc.new DefaultDocumentEvent( newDoc.getStartPosition().getOffset(),
                                             newDoc.getLength(),
                                             DocumentEvent.EventType.INSERT );
            // simulate clear
            for( int i = 0; i < collDocListeners.size(); i++ ) {

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