public void mousePressed(MouseEvent e) {
if (ctx != null) {
// save the current selection set operator
prevSetOp = ctx.getSetOperator(tm).getSetOperator();
// set the selection set operator
ctx.getSetOperator(tm).setFromInputEventMask(e.getModifiers());
}
start = e.getPoint();
current = e.getPoint();
selecting = true;
repaint();
}
public void mouseReleased(MouseEvent e) {
current = e.getPoint();
// intersect with graph
Rectangle selrect =
new Rectangle(start.x, start.y, current.x - start.x, current.y - start.y);
int[] gi = gs.getIndicesAt(selrect, graph.getXAxis(), graph.getYAxis());
DefaultListSelectionModel rsm = new DefaultListSelectionModel();
if (gi != null) {
rsm.setValueIsAdjusting(true);
for (int j = 0; j < gi.length; j++) {
// find node and select segs for node and all descendents
int nodeidx = gi[j] / 2;
TreeNode tn = nodemap[nodeidx];
selectTraverse(tn, rsm);
}
rsm.setValueIsAdjusting(false);
}
if (ctx != null) {
// Merge this selection with the table selection list
// using the current set selection operator
ColumnMap cmap = ctx.getColumnMap(tm, 0);
if (cmap != null) {
cmap.selectValues(rsm);
}
}
if (ctx != null) {
// restore the original selection set operator
ctx.getSetOperator(tm).setSetOperator(prevSetOp);
}
repaint();
}