Example usage for org.jfree.data.pie PieDatasetChangeType ADD

Introduction

In this page you can find the example usage for org.jfree.data.pie PieDatasetChangeType ADD.

Prototype

PieDatasetChangeType ADD

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Document

Represents the addition of one or more data items to the series in a contiguous range.

Usage

From source file:org.jfree.data.pie.DefaultPieDataset.java

/**
 * Sets the data value for a key and sends a {@link DatasetChangeEvent} to
 * all registered listeners.// w  ww  .j a v  a  2 s.c o m
 *
 * @param key  the key (<code>null</code> not permitted).
 * @param value  the value.
 *
 * @throws IllegalArgumentException if <code>key</code> is
 *     <code>null</code>.
 */
public void setValue(Comparable key, Number value) {
    int index = this.data.getIndex(key);
    PieDatasetChangeType ct = PieDatasetChangeType.ADD;
    if (index >= 0) {
        ct = PieDatasetChangeType.UPDATE;
    }

    this.data.setObject(key, new SelectableValue(value));
    PieDatasetChangeInfo info = new PieDatasetChangeInfo(ct, index, index);
    fireDatasetChanged(info);
}

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From source file:org.jfree.data.pie.DefaultPieDataset.java

/**
 * Inserts a new value at the specified position in the dataset or, if
 * there is an existing item with the specified key, updates the value
 * for that item and moves it to the specified position.  After the change
 * is made, this method sends a {@link DatasetChangeEvent} to all
 * registered listeners.//from   w ww. j a v  a2  s.  com
 *
 * @param position  the position (in the range 0 to getItemCount()).
 * @param key  the key (<code>null</code> not permitted).
 * @param value  the value (<code>null</code> permitted).
 *
 * @since 1.0.6
 */
public void insertValue(int position, Comparable key, Number value) {
    this.data.insertValue(position, key, value);
    PieDatasetChangeType ct = PieDatasetChangeType.ADD;
    // TODO: unit tests for inserts where key already exists.
    fireDatasetChanged(new PieDatasetChangeInfo(ct, position, position));
}

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