Android Open Source - android-cassowary-layout Container Node

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2014 Agens AS//w w w .  j  a v a 2s .  c  om
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package no.agens.cassowarylayout;


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

/**
 * Created by alex on 10/10/2014.
 */
public class ContainerNode extends Node {

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

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

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

}

Java Source Code List