Example usage for javax.swing.event DocumentEvent getChange

Introduction

In this page you can find the example usage for javax.swing.event DocumentEvent getChange.

Prototype

public ElementChange getChange(Element elem);

Source Link

Document

Gets the change information for the given element.

Usage

From source file:LiveParenMatcher.java

public void removeUpdate_2(DocumentEvent de) {
    // print some debugging information before matching the parens
    ElementIterator iter = new ElementIterator(de.getDocument());

    for (Element elem = iter.first(); elem != null; elem = iter.next()) {
        DocumentEvent.ElementChange change = de.getChange(elem);
        if (change != null) { // null means there was no change in elem
            System.out.println("Element " + elem.getName() + " (depth " + iter.depth()
                    + ") changed its children: " + change.getChildrenRemoved().length + " children removed, "
                    + change.getChildrenAdded().length + " children added.\n");
        }//  w  ww  . j av  a 2 s  . c  o  m
    }
    SwingUtilities.invokeLater(this); // will call run()
}

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From source file:ListenerSample.java

public void printInfo(DocumentEvent documentEvent) {
    System.out.println("Offset: " + documentEvent.getOffset());
    System.out.println("Length: " + documentEvent.getLength());
    DocumentEvent.EventType type = documentEvent.getType();
    String typeString = null;/*from   www. jav  a 2 s . com*/
    if (type.equals(DocumentEvent.EventType.CHANGE)) {
        typeString = "Change";
    } else if (type.equals(DocumentEvent.EventType.INSERT)) {
        typeString = "Insert";
    } else if (type.equals(DocumentEvent.EventType.REMOVE)) {
        typeString = "Remove";
    }
    System.out.println("Type  : " + typeString);
    Document documentSource = documentEvent.getDocument();
    Element rootElement = documentSource.getDefaultRootElement();
    DocumentEvent.ElementChange change = documentEvent.getChange(rootElement);
    System.out.println("Change: " + change);
}

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