/**
* Tests for <code>PlainView</code> repaints more lines than necessary.
*
* <p>If a character (not a new line) is inserted into document, document structure will not
* change, or in other words the number of text lines will stay the same. In this case only the
* modified line needs to be repainted but <code>PlainView</code> repaints all following lines as
* well.
*/
public void testInsertUpdateExtraRepaint() throws BadLocationException {
doc.insertString(0, "1:0123\n2:\n3:abcdefg", null);
view.updateMetrics();
doc.insertString(0, "^", null);
view.insertUpdate(event, shape, null);
lineRange.check(0, 0, shape, container);
}
@Override
public void insertUpdate(DocumentEvent e, Shape a, ViewFactory f) {
super.insertUpdate(e, a, f);
JavaDocument d = (JavaDocument) e.getDocument();
if (d.isNeedsRedraw()) {
getContainer().repaint();
d.setNeedsRedraw(false);
}
}
/**
* Gives notification that something was inserted into the document in a location that this view
* is responsible for.
*
* @param changes the change information from the associated document
* @param a the current allocation of the view
* @param f the factory to use to rebuild if the view has children
* @see View#insertUpdate
*/
public void insertUpdate(DocumentEvent changes, Shape a, ViewFactory f) {
super.insertUpdate(changes, adjustAllocation(a), f);
updateVisibilityModel();
}
/**
* Tests for <code>PlainView.insertUpdate</code> throws NPE.
*
* <p>If a change occured outside the widest line and document structure was not changed, <code>
* insertUpdate</code> throws NPE when processing the notification.
*/
public void testInsertUpdateNPE() throws BadLocationException {
doc.insertString(0, "1:0123\n2:\n3:abcdefg", null);
view.updateMetrics();
doc.insertString(0, "^", null);
view.insertUpdate(event, shape, null);
}
