@Override
public void updateItem() {
updateText();
if (label != null) {
label.setDescription(description);
}
}
protected void onDescriptionChanged() {
if (text == null) {
createDescription();
} else {
updateText();
}
if (label != null) {
label.setDescription(description);
}
}
private Widget createLabel(String text, int x, int y, Color color) {
LabelWidget label = new LabelWidget(this, text);
label.setOpaque(true);
label.setBackground(color);
label.setBorder(BorderFactory.createLineBorder(5));
label.setPreferredLocation(new Point(x, y));
label.getActions().addAction(ActionFactory.createMoveAction());
mainLayer.addChild(label);
return label;
}
public ProxyAnchorExpandTest() {
setBackground(Color.LIGHT_GRAY);
// layer for widgets
LayerWidget mainLayer = new LayerWidget(this);
addChild(mainLayer);
// layer for connections
LayerWidget connLayer = new LayerWidget(this);
addChild(connLayer);
// outer widget
Widget outerWidget = new Widget(this);
outerWidget.setOpaque(true);
outerWidget.setBackground(Color.WHITE);
outerWidget.setBorder(BorderFactory.createLineBorder(10));
outerWidget.setPreferredLocation(new Point(100, 100));
outerWidget.setLayout(
LayoutFactory.createVerticalFlowLayout(LayoutFactory.SerialAlignment.CENTER, 4));
outerWidget.addChild(
new LabelWidget(
this, "The anchor switches based on a state in StateModel used by ProxyAnchor."));
outerWidget.addChild(
new LabelWidget(this, "ConnectionWidget has the same anchors assigned all the time."));
// inner widget
LabelWidget innerWidget = new LabelWidget(this, "Internal frame");
innerWidget.setBorder(BorderFactory.createLineBorder());
outerWidget.addChild(innerWidget);
mainLayer.addChild(outerWidget);
// the target widget
Widget targetWidget =
new LabelWidget(this, "Click here to switch the state in StateModel/anchor.");
targetWidget.setOpaque(true);
targetWidget.setBackground(Color.WHITE);
targetWidget.setBorder(BorderFactory.createLineBorder(10));
targetWidget.setPreferredLocation(new Point(450, 300));
mainLayer.addChild(targetWidget);
// an action for switching a state of a StateModel used by the ProxyAnchor to determinate an
// active anchor
WidgetAction switchAction = ActionFactory.createSelectAction(new SwitchProvider());
targetWidget.getActions().addAction(switchAction);
Anchor outerAnchor = AnchorFactory.createRectangularAnchor(outerWidget);
Anchor innerAnchor = AnchorFactory.createRectangularAnchor(innerWidget);
// a proxy anchor which acts like an one of the specified anchors.
// The active anchor is defined by a state in the StateModel
Anchor proxyAnchor = AnchorFactory.createProxyAnchor(model, outerAnchor, innerAnchor);
// the connection widget
ConnectionWidget conn = new ConnectionWidget(this);
conn.setTargetAnchorShape(AnchorShape.TRIANGLE_FILLED);
connLayer.addChild(conn);
// the proxy anchor is used as a source
conn.setSourceAnchor(proxyAnchor);
// the target anchor is assigned to the targetWidget widget
conn.setTargetAnchor(AnchorFactory.createRectangularAnchor(targetWidget));
}