Android Open Source - sensorreadout Index X Y Map






From Project

Back to project page sensorreadout.

License

The source code is released under:

Apache License

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Java Source Code

/**
 * Copyright (C) 2009 - 2013 SC 4ViewSoft SRL
 *  /*w  w  w.  j  ava  2  s.c o m*/
 * 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 org.achartengine.util;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.TreeMap;

/**
 * This class requires sorted x values
 */
public class IndexXYMap<K, V> extends TreeMap<K, V> {
  private final List<K> indexList = new ArrayList<K>();

  private double maxXDifference = 0;

  public IndexXYMap() {
    super();
  }

  public V put(K key, V value) {
    indexList.add(key);
    updateMaxXDifference();
    return super.put(key, value);
  }

  public V put(int index, K key, V value) {
    indexList.add(index, key);
    updateMaxXDifference();
    return super.put(key, value);
  }

  private void updateMaxXDifference() {
    if (indexList.size() < 2) {
      maxXDifference = 0;
      return;
    }

    if (Math.abs((Double) indexList.get(indexList.size() - 1)
        - (Double) indexList.get(indexList.size() - 2)) > maxXDifference)
      maxXDifference = Math.abs((Double) indexList.get(indexList.size() - 1)
          - (Double) indexList.get(indexList.size() - 2));
  }

  public double getMaxXDifference() {
    return maxXDifference;
  }

  public void clear() {
    updateMaxXDifference();
    super.clear();
    indexList.clear();
  }

  /**
   * Returns X-value according to the given index
   * 
   * @param index
   * @return the X value
   */
  public K getXByIndex(int index) {
    return indexList.get(index);
  }

  /**
   * Returns Y-value according to the given index
   * 
   * @param index
   * @return the Y value
   */
  public V getYByIndex(int index) {
    K key = indexList.get(index);
    return this.get(key);
  }

  /**
   * Returns XY-entry according to the given index
   * 
   * @param index
   * @return the X and Y values
   */
  public XYEntry<K, V> getByIndex(int index) {
    K key = indexList.get(index);
    return new XYEntry<K, V>(key, this.get(key));
  }

  /**
   * Removes entry from map by index
   * 
   * @param index
   */
  public XYEntry<K, V> removeByIndex(int index) {
    K key = indexList.remove(index);
    return new XYEntry<K, V>(key, this.remove(key));
  }

  public int getIndexForKey(K key) {
    return Collections.binarySearch(indexList, key, null);
  }
}




Java Source Code List

de.onyxbits.sensorreadout.AppRater.java
de.onyxbits.sensorreadout.ExportTask.java
de.onyxbits.sensorreadout.OverviewActivity.java
de.onyxbits.sensorreadout.ReadoutActivity.java
de.onyxbits.sensorreadout.SensorAdapter.java
de.onyxbits.sensorreadout.Ticker.java
org.achartengine.ChartFactory.java
org.achartengine.GraphicalActivity.java
org.achartengine.GraphicalView.java
org.achartengine.ITouchHandler.java
org.achartengine.TouchHandlerOld.java
org.achartengine.TouchHandler.java
org.achartengine.chart.AbstractChart.java
org.achartengine.chart.BarChart.java
org.achartengine.chart.BubbleChart.java
org.achartengine.chart.ClickableArea.java
org.achartengine.chart.CombinedXYChart.java
org.achartengine.chart.CubicLineChart.java
org.achartengine.chart.DialChart.java
org.achartengine.chart.DoughnutChart.java
org.achartengine.chart.LineChart.java
org.achartengine.chart.PieChart.java
org.achartengine.chart.PieMapper.java
org.achartengine.chart.PieSegment.java
org.achartengine.chart.PointStyle.java
org.achartengine.chart.RangeBarChart.java
org.achartengine.chart.RangeStackedBarChart.java
org.achartengine.chart.RoundChart.java
org.achartengine.chart.ScatterChart.java
org.achartengine.chart.TimeChart.java
org.achartengine.chart.XYChart.java
org.achartengine.model.CategorySeries.java
org.achartengine.model.MultipleCategorySeries.java
org.achartengine.model.Point.java
org.achartengine.model.RangeCategorySeries.java
org.achartengine.model.SeriesSelection.java
org.achartengine.model.TimeSeries.java
org.achartengine.model.XYMultipleSeriesDataset.java
org.achartengine.model.XYSeries.java
org.achartengine.model.XYValueSeries.java
org.achartengine.renderer.BasicStroke.java
org.achartengine.renderer.DefaultRenderer.java
org.achartengine.renderer.DialRenderer.java
org.achartengine.renderer.SimpleSeriesRenderer.java
org.achartengine.renderer.XYMultipleSeriesRenderer.java
org.achartengine.renderer.XYSeriesRenderer.java
org.achartengine.tools.AbstractTool.java
org.achartengine.tools.FitZoom.java
org.achartengine.tools.PanListener.java
org.achartengine.tools.Pan.java
org.achartengine.tools.ZoomEvent.java
org.achartengine.tools.ZoomListener.java
org.achartengine.tools.Zoom.java
org.achartengine.util.IndexXYMap.java
org.achartengine.util.MathHelper.java
org.achartengine.util.XYEntry.java