public void collectExpressionInfo(ExpressionInfo info) {
// Although the default variable is passed to the children of this
// expression as an instance of the adapted type it is OK to only
// mark a default variable access.
info.markDefaultVariableAccessed();
super.collectExpressionInfo(info);
}
public static boolean isVisible(MCoreExpression exp, ExpressionContext eContext) {
Expression ref = null;
if (exp.getCoreExpression() instanceof Expression) {
ref = (Expression) exp.getCoreExpression();
} else {
ref = new ReferenceExpression(exp.getCoreExpressionId());
exp.setCoreExpression(ref);
}
try {
// Creates dependency on a predefined value that can be "poked" by the evaluation
// service
ExpressionInfo info = ref.computeExpressionInfo();
String[] names = info.getAccessedPropertyNames();
for (String name : names) {
eContext.getVariable(name + ".evaluationServiceLink"); // $NON-NLS-1$
}
return ref.evaluate(eContext) != EvaluationResult.FALSE;
} catch (CoreException e) {
trace("isVisible exception", e); // $NON-NLS-1$
}
return false;
}
@Override
public void collectExpressionInfo(ExpressionInfo info) {
info.markSystemPropertyAccessed();
}
@Override
public final void collectExpressionInfo(final ExpressionInfo info) {
super.collectExpressionInfo(info);
info.markDefaultVariableAccessed();
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.core.expressions.Expression#collectExpressionInfo(org
* .eclipse.core.expressions.ExpressionInfo)
*/
public void collectExpressionInfo(ExpressionInfo info) {
info.addVariableNameAccess(ISources.ACTIVE_PART_ID_NAME);
info.addVariableNameAccess(ISources.ACTIVE_CURRENT_SELECTION_NAME);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.core.expressions.Expression#collectExpressionInfo(org.eclipse.core.expressions.ExpressionInfo)
*/
public void collectExpressionInfo(ExpressionInfo info) {
info.addVariableNameAccess("username");
}