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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.prefs;

import android.content.Context;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.widget.LinearLayout;
import org.solovyev.android.view.Picker;
import org.solovyev.common.text.Mapper;

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

/**
 * User: serso
 * Date: 8/10/12
 * Time: 1:58 AM
 */
public abstract class AbstractPickerDialogPreference extends AbstractDialogPreference implements Picker.OnChangedListener {


	protected AbstractPickerDialogPreference(Context context,
											 AttributeSet attrs,
											 @Nullable String defaultStringValue,
											 boolean needValueText,
											 @Nonnull Mapper mapper) {
		super(context, attrs, defaultStringValue, needValueText, mapper);
	}

	@Override
	protected LinearLayout.LayoutParams getParams() {
		final LinearLayout.LayoutParams result = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);

		result.gravity = Gravity.CENTER;

		return result;
	}

	@Nonnull
	@Override
	protected View createPreferenceView(@Nonnull Context context) {
		final Picker result = new Picker(context);

		result.setOnChangeListener(this);

		return result;
	}

	@Override
	protected void initPreferenceView(@Nonnull View v, @Nullable T value) {
		if (value != null) {
			((Picker) v).setRange(createRange(value));
		}
	}

	@Nonnull
	protected abstract Picker.Range createRange(@Nonnull T selected);

	@Override
	public void onChanged(@Nonnull Picker picker, @Nonnull T o) {
		persistValue(o);
	}
}