Android Open Source - customhellochartdemo Column

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License

The source code is released under:

Apache License

Java Source Code

package lecho.lib.hellocharts.model;
//from   w ww. ja v a  2s. c o m
import java.util.ArrayList;
import java.util.List;

import lecho.lib.hellocharts.view.Chart;

/**
 * Single column for ColumnChart. One column can be divided into multiple sub-columns(ColumnValues) especially for
 * stacked ColumnChart.
 * 
 */
public class Column {
  private boolean hasLabels = false;
  private boolean hasLabelsOnlyForSelected = false;
  private ValueFormatter formatter = new SimpleValueFormatter();
  // TODO: consider Collections.emptyList()
  private List<ColumnValue> values = new ArrayList<ColumnValue>();

  public Column() {

  }

  public Column(List<ColumnValue> values) {
    setValues(values);
  }

  public Column(Column column) {
    this.hasLabels = column.hasLabels;
    this.hasLabelsOnlyForSelected = column.hasLabelsOnlyForSelected;
    this.formatter = column.formatter;

    for (ColumnValue columnValue : column.values) {
      this.values.add(new ColumnValue(columnValue));
    }
  }

  public void update(float scale) {
    for (ColumnValue value : values) {
      value.update(scale);
    }

  }

  public void finish() {
    for (ColumnValue value : values) {
      value.finish();
    }
  }

  public List<ColumnValue> getValues() {
    return values;
  }

  public Column setValues(List<ColumnValue> values) {
    if (null == values) {
      this.values = new ArrayList<ColumnValue>();
    } else {
      this.values = values;
    }
    return this;
  }

  public boolean hasLabels() {
    return hasLabels;
  }

  public Column setHasLabels(boolean hasLabels) {
    this.hasLabels = hasLabels;
    if (hasLabels) {
      this.hasLabelsOnlyForSelected = false;
    }
    return this;
  }

  /**
   * @see #setHasLabelsOnlyForSelected(boolean)
   */
  public boolean hasLabelsOnlyForSelected() {
    return hasLabelsOnlyForSelected;
  }

  /**
   * Set true if you want to show value labels only for selected value, works best when chart has
   * isValueSelectionEnabled set to true {@link Chart#setValueSelectionEnabled(boolean)}.
   */
  public Column setHasLabelsOnlyForSelected(boolean hasLabelsOnlyForSelected) {
    this.hasLabelsOnlyForSelected = hasLabelsOnlyForSelected;
    if (hasLabelsOnlyForSelected) {
      this.hasLabels = false;
    }
    return this;
  }

  public ValueFormatter getFormatter() {
    return formatter;
  }

  public Column setFormatter(ValueFormatter formatter) {
    if (null == formatter) {
      this.formatter = new SimpleValueFormatter();
    } else {
      this.formatter = formatter;
    }
    return this;
  }
}

Java Source Code List

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