Example usage for javax.swing.text Document getStartPosition

Introduction

In this page you can find the example usage for javax.swing.text Document getStartPosition.

Prototype

public Position getStartPosition();

Source Link

Document

Returns a position that represents the start of the document.

Usage

From source file:de.unentscheidbar.validation.swing.trigger.DocumentChangeTriggerTest.java

@Override
protected void provokeTrigger(Iterable<JTextComponent> components) {

    for (final JTextComponent c : components) {
        runInEdt(new Callable<Void>() {

            @Override/* w  w  w. ja  va  2 s  . c o  m*/
            public Void call() throws Exception {

                Document doc = c.getDocument();
                switch (rnd.nextInt(3)) {
                case 0:
                    doc.remove(doc.getStartPosition().getOffset(), doc.getLength() / 2);
                    break;
                case 1:
                    doc.insertString(rnd.nextInt(Math.max(1, doc.getStartPosition().getOffset())),
                            RandomStringUtils.randomAlphanumeric(1 + rnd.nextInt(10)), null);
                    break;
                case 2:
                    c.setText(UUID.randomUUID().toString());
                    break;
                default:
                    Assert.fail();
                }
                return null;
            }
        });

    }
    drainEventQueue();
}

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