Android Open Source - android-cassowary-layout Child Node

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License

The source code is released under:

Apache License

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Java Source Code

package no.agens.cassowarylayout;
/*from   w w  w .  j a  v a  2  s.  c o m*/
import org.pybee.cassowary.SimplexSolver;

import org.pybee.cassowary.Constraint;
import org.pybee.cassowary.Expression;
import org.pybee.cassowary.Strength;
import org.pybee.cassowary.Variable;

/**
 * Created by alex on 02/11/14.
 */
public class ChildNode extends Node {

    public ChildNode(SimplexSolver solver) {
        super(solver);
    }

    @Override
    protected void createImplicitConstraints(String variableName, Variable variable) {

        if (RIGHT.equals(variableName)) {
            solver.addConstraint(new Constraint(variable, Constraint.Operator.EQ, new Expression(getLeft()).plus(getWidth()), Strength.REQUIRED));
        } else if (BOTTOM.equals(variableName)) {
            solver.addConstraint(new Constraint(variable, Constraint.Operator.EQ, new Expression(getTop()).plus(getHeight()), Strength.REQUIRED));
        } else if (CENTERX.equals(variableName)) {
            solver.addConstraint(new Constraint(variable, Constraint.Operator.EQ, new Expression(getWidth()).divide(2).plus(getLeft()), Strength.REQUIRED));
        } else if (CENTERY.equals(variableName)) {
            solver.addConstraint(new Constraint(variable, Constraint.Operator.EQ, new Expression(getHeight()).divide(2).plus(getTop()), Strength.REQUIRED));
        }

    }

}

Java Source Code List