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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.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

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

/**
 * User: serso
 * Date: 4/18/12
 * Time: 12:57 AM
 */
public class ViewFromLayoutBuilder implements ViewBuilder {

	private final int layoutId;

	private final int viewId;

	private final boolean wholeLayout;

	@Nullable
	private LayoutInflater layoutInflater;

	private ViewFromLayoutBuilder(int layoutId, int viewId, boolean wholeLayout) {
		this.layoutId = layoutId;
		this.viewId = viewId;
		this.wholeLayout = wholeLayout;
	}

	@Nonnull
	public static  ViewFromLayoutBuilder newInstance(int layoutId, int viewId) {
		return new ViewFromLayoutBuilder(layoutId, viewId, false);
	}

	@Nonnull
	public static  ViewFromLayoutBuilder newInstance(int layoutId) {
		return new ViewFromLayoutBuilder(layoutId, 0, true);
	}

	public void setLayoutInflater(@Nullable LayoutInflater layoutInflater) {
		this.layoutInflater = layoutInflater;
	}

	@Nonnull
	@Override
	public V build(@Nonnull Context context) {

		LayoutInflater li = layoutInflater;
		if (li == null) {
			li = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		}

		if (wholeLayout) {
			// if whole layout - just return view
			return (V) li.inflate(layoutId, null);
		} else {
			// else try to find view by id
			final ViewGroup itemView = (ViewGroup) li.inflate(layoutId, null);
			return (V) itemView.findViewById(viewId);
		}
	}
}