Android Open Source - customhellochartdemo Column Value

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Back to project page customhellochartdemo.

License

The source code is released under:

Apache License

Java Source Code

package lecho.lib.hellocharts.model;
/*from w ww  .j a v a  2s.c o  m*/
import lecho.lib.hellocharts.util.Utils;
import lecho.lib.hellocharts.view.Chart;

/**
 * Single value for ColumnChart. Column values are drown side by side for default Column configuration. If ColumnChart
 * is stacked ColumnValues are drown above or below each other.
 * 
 */
public class ColumnValue {

  private float value;
  private float orginValue;
  private float diff;
  private int color = Utils.DEFAULT_COLOR;
  private int darkenColor = Utils.DEFAULT_DARKEN_COLOR;
  private char[] label;

  public ColumnValue() {
    setValue(0);
  }

  public ColumnValue(float value) {
    // point and targetPoint have to be different objects
    setValue(value);
  }

  public ColumnValue(float value, int color) {
    // point and targetPoint have to be different objects
    setValue(value);
    setColor(color);
  }

  public ColumnValue(ColumnValue columnValue) {
    setValue(columnValue.value);
    setColor(columnValue.color);
    this.label = columnValue.label;
  }

  public void update(float scale) {
    value = orginValue + diff * scale;
  }

  public void finish() {
    setValue(orginValue + diff);
  }

  public float getValue() {
    return value;
  }

  public ColumnValue setValue(float value) {
    this.value = value;
    this.orginValue = value;
    this.diff = 0;
    return this;
  }

  /**
   * Set target value that should be reached when data animation finish then call {@link Chart#startDataAnimation()}
   * 
   * @param target
   * @return
   */
  public ColumnValue setTarget(float target) {
    setValue(value);
    this.diff = target - orginValue;
    return this;
  }

  public int getColor() {
    return color;
  }

  public ColumnValue setColor(int color) {
    this.color = color;
    this.darkenColor = Utils.darkenColor(color);
    return this;
  }

  public int getDarkenColor() {
    return darkenColor;
  }

  public char[] getLabel() {
    return label;
  }

  public ColumnValue setLabel(char[] label) {
    this.label = label;
    return this;
  }

  @Override
  public String toString() {
    return "ColumnValue [value=" + value + "]";
  }

}

Java Source Code List

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