public void mouseDragged(MouseEvent e) {
if (!e.isShiftDown()) // normal drag
move(this, e);
else // drag entire connected component
{
ArrayList connectedNodes = dNode.connectedNodes();
if (connectedNodes.size() == 0) move(this, e);
else
for (Iterator it = connectedNodes.iterator(); it.hasNext(); ) {
ASDDigraphNode dNode2 = (ASDDigraphNode) it.next();
ASDEditNode eNode2 = dNode2.getEditNode();
move(eNode2, e);
}
}
getEditor().setGrammarChanged(true);
getContext().repaint();
}
private void move(ASDEditNode eNode, MouseEvent e) {
eNode.getContext().remove(eNode);
eNode.getContext().add(eNode, 0);
int newX = eNode.getX() + e.getX();
int newY = eNode.getY() + e.getY();
eNode.setLocation(newX, newY);
// inherited from java.awt.Component
ASDGrammarNode gNode = eNode.getGrammarNode();
gNode.setXCoordinate((short) newX);
gNode.setYCoordinate((short) newY);
RightLabel rightLabel = eNode.getRightLabel();
if (rightLabel != null) {
eNode.getContext().remove(rightLabel);
eNode.getContext().add(rightLabel, 0);
rightLabel.setLocation(
newX + eNode.getWidth() + RightLabel.SEPARATION, newY + eNode.getInsets().top);
}
ASDDigraphNode dNode = eNode.getDigraphNode();
Iterator it;
for (it = dNode.getInEdges().iterator(); it.hasNext(); )
((ASDDigraphEdge) it.next()).getEditEdge().setDefaultCoordinates();
for (it = dNode.getOutEdges().iterator(); it.hasNext(); )
((ASDDigraphEdge) it.next()).getEditEdge().setDefaultCoordinates();
}