/**
* 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);
}
/**
* Tests for calling <code>nextTabStop()</code> leaves <code>PlainView.metrics</code> field <code>
* null</code>. This is because <code>nextTabStop()</code> forwards to <code>paintParams</code>
* and updates <code>metrics</code> there, and <code>setSize()</code> doesn't update the field in
* the <code>PlainView</code>.
*/
public void testNextTabStop05() {
assertNull(view.metrics);
if (isHarmony()) {
// Call to nextTabStop will lead to updateMetrics()
assertTrue("nextTabStop() must return value > 0", view.nextTabStop(0, 0) > view.getTabSize());
}
view.setSize(100, 200);
assertNotNull("Metrics must be not null after setSize", view.metrics);
}
protected final void finalize() {
try {
super.finalize();
} catch (Throwable t) {
t.printStackTrace();
}
}
@Override
public void changedUpdate(DocumentEvent e, Shape a, ViewFactory f) {
super.changedUpdate(e, a, f);
JavaDocument d = (JavaDocument) e.getDocument();
if (d.isNeedsRedraw()) {
getContainer().repaint();
d.setNeedsRedraw(false);
}
}
/**
* Gives notification that something was removed from 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#removeUpdate
*/
public void removeUpdate(DocumentEvent changes, Shape a, ViewFactory f) {
super.removeUpdate(changes, adjustAllocation(a), f);
updateVisibilityModel();
}
/**
* Renders using the given rendering surface and area on that surface. The view may need to do
* layout and create child views to enable itself to render into the given allocation.
*
* @param g the rendering surface to use
* @param a the allocated region to render into
* @see View#paint
*/
public void paint(Graphics g, Shape a) {
Rectangle r = (Rectangle) a;
g.clipRect(r.x, r.y, r.width, r.height);
super.paint(g, a);
}
/**
* 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);
}
