@Override
public void actionPerformed(final ActionEvent e) {
if (e != null) {
final Object source = e.getSource();
// find modified component
int cp = 0;
final int cs = panel.getComponentCount();
for (int c = 0; c < cs; ++c) if (panel.getComponent(c) == source) cp = c;
if ((cp & 1) == 0) {
// combo box with tags/attributes
final BaseXCombo combo = (BaseXCombo) source;
panel.remove(cp + 1);
final Data data = gui.context.data();
final boolean selected = combo.getSelectedIndex() != 0;
if (selected) {
final String item = combo.getSelectedItem().toString();
final boolean att = item.startsWith("@");
final Names names = att ? data.atnindex : data.tagindex;
final byte[] key = Token.token(att ? item.substring(1) : item);
final StatsKey stat = names.stat(names.id(key));
switch (stat.kind) {
case INT:
addSlider(stat.min, stat.max, cp + 1, true);
break;
case DBL:
addSlider(stat.min, stat.max, cp + 1, false);
break;
case CAT:
addCombo(entries(stat.cats.keys()), cp + 1);
break;
case TEXT:
addInput(cp + 1);
break;
case NONE:
panel.add(new BaseXLabel(""), cp + 1);
break;
}
} else {
panel.add(new BaseXLabel(""), cp + 1);
}
while (cp + 2 < panel.getComponentCount()) {
panel.remove(cp + 2);
panel.remove(cp + 2);
}
if (selected) addKeys(data);
panel.revalidate();
panel.repaint();
}
}
query(false);
}
/**
* Returns the path nodes that are the result of this step.
*
* @param nodes initial path nodes
* @param data data reference
* @return resulting path nodes, or {@code null} if nodes cannot be evaluated
*/
final ObjList<PathNode> nodes(final ObjList<PathNode> nodes, final Data data) {
// skip steps with predicates or different namespaces
if (preds.length != 0 || data.nspaces.globalNS() == null) return null;
// check restrictions on node type
int kind = -1, name = 0;
if (test.type != null) {
kind = ANode.kind(test.type);
if (kind == Data.PI) return null;
if (test.test == Name.NAME) {
// element/attribute test (*:ln)
final Names names = kind == Data.ATTR ? data.atnindex : data.tagindex;
name = names.id(((NameTest) test).ln);
} else if (test.test != null && test.test != Name.ALL) {
// skip namespace and standard tests
return null;
}
}
// skip axes other than descendant, child, and attribute
if (axis != Axis.ATTR
&& axis != Axis.CHILD
&& axis != Axis.DESC
&& axis != Axis.DESCORSELF
&& axis != Axis.SELF) return null;
final ObjList<PathNode> tmp = new ObjList<PathNode>();
for (final PathNode n : nodes) {
if (axis == Axis.SELF || axis == Axis.DESCORSELF) {
if (kind == -1 || kind == n.kind && (name == 0 || name == n.name)) {
if (!tmp.contains(n)) tmp.add(n);
}
}
if (axis != Axis.SELF) add(n, tmp, name, kind);
}
return tmp;
}
