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/*
* Copyright 2011 Yuri Kanivets
*
* 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 kankan.wheel.widget.adapters;
import android.content.Context;
/**
* Numeric Wheel adapter.
*/
public class NumericWheelAdapter extends AbstractWheelTextAdapter {
/** The default min value */
public static final int DEFAULT_MAX_VALUE = 9;
/** The default max value */
private static final int DEFAULT_MIN_VALUE = 0;
// Values
private int minValue;
private int maxValue;
// format
private String format;
/**
* Constructor
* @param context the current context
*/
public NumericWheelAdapter(Context context) {
this(context, DEFAULT_MIN_VALUE, DEFAULT_MAX_VALUE);
}
/**
* Constructor
* @param context the current context
* @param minValue the wheel min value
* @param maxValue the wheel max value
*/
public NumericWheelAdapter(Context context, int minValue, int maxValue) {
this(context, minValue, maxValue, null);
}
/**
* Constructor
* @param context the current context
* @param minValue the wheel min value
* @param maxValue the wheel max value
* @param format the format string
*/
public NumericWheelAdapter(Context context, int minValue, int maxValue, String format) {
super(context);
this.minValue = minValue;
this.maxValue = maxValue;
this.format = format;
}
@Override
public CharSequence getItemText(int index) {
if (index >= 0 && index < getItemsCount()) {
int value = minValue + index;
return format != null ? String.format(format, value) : Integer.toString(value);
}
return null;
}
@Override
public int getItemsCount() {
return maxValue - minValue + 1;
}
}
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