/**
* Returns the tooltip text at the specified location. The default implementation returns the
* value from the child View identified by the passed in location.
*
* @since 1.4
* @see JTextComponent#getToolTipText
*/
public String getToolTipText(float x, float y, Shape allocation) {
int viewIndex = getViewIndex(x, y, allocation);
if (viewIndex >= 0) {
allocation = getChildAllocation(viewIndex, allocation);
Rectangle rect =
(allocation instanceof Rectangle) ? (Rectangle) allocation : allocation.getBounds();
if (rect.contains(x, y)) {
return getView(viewIndex).getToolTipText(x, y, allocation);
}
}
return null;
}
/**
* Returns the child view index representing the given position in the view. This iterates over
* all the children returning the first with a bounds that contains <code>x</code>, <code>y</code>
* .
*
* @param x the x coordinate
* @param y the y coordinate
* @param allocation current allocation of the View.
* @return index of the view representing the given location, or -1 if no view represents that
* position
* @since 1.4
*/
public int getViewIndex(float x, float y, Shape allocation) {
for (int counter = getViewCount() - 1; counter >= 0; counter--) {
Shape childAllocation = getChildAllocation(counter, allocation);
if (childAllocation != null) {
Rectangle rect =
(childAllocation instanceof Rectangle)
? (Rectangle) childAllocation
: allocation.getBounds();
if (rect.contains(x, y)) {
return counter;
}
}
}
return -1;
}
@Override
public boolean isCellEditable(EventObject e) {
if (e instanceof MouseEvent && e.getSource() instanceof JTree) {
MouseEvent me = (MouseEvent) e;
JTree tree = (JTree) e.getSource();
TreePath path = tree.getPathForLocation(me.getX(), me.getY());
Rectangle r = tree.getPathBounds(path);
if (r == null) {
return false;
}
Dimension d = getPreferredSize();
r.setSize(new Dimension(d.width, r.height));
if (r.contains(me.getX(), me.getY())) {
if (str == null && System.getProperty("java.version").startsWith("1.7.0")) {
setBounds(new Rectangle(0, 0, d.width, r.height));
}
// System.out.println(getBounds());
return true;
}
}
return false;
}