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/*
 * Copyright 2013 serso aka se.solovyev
 *
 * 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.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * Contact details
 *
 * Email: [email protected]
 * Site:  http://se.solovyev.org
 */

package org.solovyev.android.view;

import android.content.Context;
import android.view.View;
import android.widget.TextView;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

/**
 * User: serso
 * Date: 4/19/12
 * Time: 11:50 PM
 */
public class TextViewBuilder implements UpdatableViewBuilder {

	private int textViewLayoutId;

	@Nullable
	private String tag;

	private TextViewBuilder() {
	}

	@Nonnull
	public static UpdatableViewBuilder newInstance(int textViewLayoutId, @Nullable String tag) {
		final TextViewBuilder result = new TextViewBuilder();

		result.textViewLayoutId = textViewLayoutId;
		result.tag = tag;

		return result;
	}

	@Nonnull
	@Override
	public TextView build(@Nonnull Context context) {
		final TextView result = ViewFromLayoutBuilder.newInstance(textViewLayoutId).build(context);

		result.setTag(createViewTag());

		return updateView(context, result);
	}

	@Nonnull
	private String createViewTag() {
		return tag == null ? this.getClass().getName() : tag;
	}

	@Nonnull
	@Override
	public TextView updateView(@Nonnull Context context, @Nonnull View view) {
		if (createViewTag().equals(view.getTag())) {
			return (TextView) view;
		} else {
			return build(context);
		}
	}
}