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src/com/ectrip/cyt/spinnerwheel/adapters/NumericWheelAdapter.java 2.52 KB
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  /*
   * android-spinnerwheel
   * https://github.com/ai212983/android-spinnerwheel
   *
   * based on
   *
   * Android Wheel Control.
   * https://code.google.com/p/android-wheel/
   *
   * 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 com.ectrip.cyt.spinnerwheel.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 spinnerwheel min value
       * @param maxValue the spinnerwheel max value
       */
      public NumericWheelAdapter(Context context, int minValue, int maxValue) {
          this(context, minValue, maxValue, null);
      }
  
      /**
       * Constructor
       * @param context the current context
       * @param minValue the spinnerwheel min value
       * @param maxValue the spinnerwheel 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;
      }    
  }