/**
* Evaluates the title expression in the null context and returns the result.
*
* @return Returns an empty string or the title expression.
*/
private String getTitle() {
IModelObject element = xidget.getConfig();
IExpression titleExpr =
Xlate.childGet(element, "title", Xlate.get(element, "title", (IExpression) null));
if (titleExpr != null) return titleExpr.evaluateString();
return "";
}
/* (non-Javadoc)
* @see org.xidget.feature.IWidgetCreationFeature#createWidget()
*/
public void createWidgets() {
jPanel = new Canvas(xidget, new AnchorLayoutManager(xidget));
jPanel.addMouseListener(mouseListener);
jPanel.addMouseMotionListener(mouseListener);
// create titled border if necessary (but not for tab entries)
IXidget parent = xidget.getParent();
if (parent != null && hasTitle()) {
if (!parent.getConfig().isType("tabs")) jPanel.setBorder(new TitledBorder(getTitle()));
}
component = jPanel;
// create scrollpane if requested
if (Xlate.get(xidget.getConfig(), "scroll", false)) {
component = new JScrollPane(jPanel);
}
// add panel to parent container
IXidget xidgetParent = xidget.getParent();
if (xidgetParent != null) {
IWidgetContainerFeature containerFeature =
xidget.getParent().getFeature(IWidgetContainerFeature.class);
if (containerFeature != null) {
int index = xidgetParent.getChildren().indexOf(xidget);
containerFeature.addWidget(index, xidget);
}
}
}
public void notifyValue(
IExpression expression,
IContext[] contexts,
IModelObject object,
Object newValue,
Object oldValue) {
if (object == node) {
ISliderWidgetFeature feature = xidget.getFeature(ISliderWidgetFeature.class);
feature.setPrecision(Xlate.get(object, 1));
}
}
public void notifyRemove(IExpression expression, IContext context, List<IModelObject> nodes) {
node = expression.queryFirst(context);
ISliderWidgetFeature feature = xidget.getFeature(ISliderWidgetFeature.class);
feature.setPrecision(Xlate.get(node, 1));
}
public void notifyAdd(IExpression expression, IContext context, List<IModelObject> nodes) {
node = nodes.get(0);
ISliderWidgetFeature feature = xidget.getFeature(ISliderWidgetFeature.class);
feature.setPrecision(Xlate.get(node, 1));
}
/**
* Returns true if the widget has a title.
*
* @return Returns true if the widget has a title.
*/
private boolean hasTitle() {
IModelObject element = xidget.getConfig();
IExpression titleExpr =
Xlate.childGet(element, "title", Xlate.get(element, "title", (IExpression) null));
return titleExpr != null;
}