/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * 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 com.android.ide.eclipse.gltrace.state;

import com.android.ide.eclipse.gltrace.GLEnum;

/** Properties that hold a {@link GLEnum}. */
public final class GLEnumProperty extends GLAbstractAtomicProperty {
    private GLEnum mCurrentValue;
    private final GLEnum mDefaultValue;

    public GLEnumProperty(GLStateType name, GLEnum defaultValue) {
        super(name);

        mCurrentValue = mDefaultValue = defaultValue;
    }

    @Override
    public boolean isDefault() {
        return mDefaultValue == mCurrentValue;
    }

    public void setValue(GLEnum newValue) {
        mCurrentValue = newValue;
    }

    @Override
    public String getStringValue() {
        return mCurrentValue.toString();
    }

    @Override
    public String toString() {
        return getType() + "=" + getStringValue(); //$NON-NLS-1$
    }

    @Override
    public void setValue(Object value) {
        if (value instanceof GLEnum) {
            mCurrentValue = (GLEnum) value;
        } else {
            throw new IllegalArgumentException("Attempt to set invalid value for " + getType()); //$NON-NLS-1$
        }
    }

    @Override
    public Object getValue() {
        return mCurrentValue;
    }
}