package cambridge.behaviors;
import cambridge.BehaviorInstantiationException;
import cambridge.BehaviorProvider;
import cambridge.ExpressionEvaluationException;
import cambridge.ExpressionParsingException;
import cambridge.ModifyingTagBehavior;
import cambridge.model.Attribute;
import cambridge.model.AttributeKey;
import cambridge.model.DynamicAttribute;
import cambridge.model.Expression;
import cambridge.model.ModifyableTag;
import cambridge.model.SimpleAttribute;
import java.util.Map;
/**
* User: erdinc
* Date: Nov 7, 2009
* Time: 8:36:59 PM
*/
public class SelectedBehavior extends ModifyingTagBehavior {
private final Expression expression;
public SelectedBehavior(Expression expression, int line, int col) {
super(line, col);
this.expression = expression;
}
public void modify(Map<String, Object> bindings, ModifyableTag tag) throws ExpressionEvaluationException {
if (expression.asBoolean(bindings)) {
tag.getTagParts().add(new SimpleAttribute("selected", "selected", getLine(), getCol()));
}
}
public static BehaviorProvider<SelectedBehavior> getProvider() {
return new BehaviorProvider<SelectedBehavior>() {
public SelectedBehavior get(DynamicAttribute keyAttribute, Map<AttributeKey, Attribute> attributes, int line, int col) throws ExpressionParsingException, BehaviorInstantiationException {
return new SelectedBehavior(keyAttribute.getExpression(), line, col);
}
};
}
}