JPanel createCustomPanel() {
Box p = new Box(BoxLayout.PAGE_AXIS);
// left operand sink
leftSink = new PartSink(PartType.EXPRESSION_PART);
leftSink.addCombineListener(
new CombineListener() {
public void combined() {
WorkspaceObject c = leftSink.getContainedPart();
Object o = c.getPart();
Expression exp = (Expression) o;
op.setLeftOperand(exp);
}
public void split() {
op.setLeftOperand(null);
}
});
p.add(leftSink);
JLabel eqLab = new JLabel("<html><b>÷</b></html>");
p.add(eqLab);
// right operand sink
rightSink = new PartSink(PartType.EXPRESSION_PART);
rightSink.addCombineListener(
new CombineListener() {
public void combined() {
WorkspaceObject c = rightSink.getContainedPart();
Object o = c.getPart();
Expression exp = (Expression) o;
op.setRightOperand(exp);
}
public void split() {
op.setRightOperand(null);
}
});
p.add(rightSink);
JPanel retPanel = new JPanel();
retPanel.setLayout(new BorderLayout());
retPanel.add(p, BorderLayout.CENTER);
return retPanel;
}
JPanel createCustomPanel() {
JPanel p = new JPanel();
p.setLayout(new GridLayout(1, 1));
sink = new PartSink(PartType.EXPRESSION_PART);
sink.addCombineListener(
new CombineListener() {
public void combined() {
WorkspaceObject c = sink.getContainedPart();
Object o = c.getPart(); // we know this is an expression because of our sink restriction
Expression exp = (Expression) o;
randInt.setMax(exp);
}
public void split() {
randInt.setMax(null);
}
});
sink.setToolTipText("Maximum possible value of the random number");
p.add(sink);
return p;
}