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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 org.solovyev.android.view.NumberRange;
import org.solovyev.android.view.Picker;
import org.solovyev.common.interval.Interval;
import org.solovyev.common.text.NumberIntervalMapper;

import javax.annotation.Nonnull;

/**
 * User: serso
 * Date: 8/10/12
 * Time: 12:57 AM
 */
public abstract class NumberPickerDialogPreference> extends AbstractPickerDialogPreference {

	@Nonnull
	private final Interval boundaries;

	@Nonnull
	private final N step;

	protected NumberPickerDialogPreference(Context context,
										   AttributeSet attrs,
										   @Nonnull NumberIntervalMapper mapper) {
		super(context, attrs, null, false, mapper.getMapper());

		//noinspection ConstantConditions
		boundaries = mapper.parseValue(attrs.getAttributeValue(AbstractDialogPreference.localNameSpace, "boundaries"));

		final String stringStep = attrs.getAttributeValue(AbstractDialogPreference.localNameSpace, "step");
		if (stringStep == null) {
			step = getDefaultStep();
		} else {
			step = mapper.getMapper().parseValue(stringStep);
		}
	}

	@Nonnull
	protected abstract N getDefaultStep();

	@Nonnull
	@Override
	protected Picker.Range createRange(@Nonnull N selected) {
		return createRange(boundaries, step, selected);
	}

	@Nonnull
	protected abstract NumberRange createRange(@Nonnull Interval boundaries, @Nonnull N step, @Nonnull N selected);

}




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