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

Introduction

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

Prototype

PieDatasetChangeType UPDATE

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Document

Represents a change of value for one or more data items 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./*from w  w  w  .j a v a  2  s .  com*/
 *
 * @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

/**
 * Sorts the dataset's items by key and sends a {@link DatasetChangeEvent}
 * to all registered listeners./*from  w  ww  .j  a v  a 2s. co  m*/
 *
 * @param order  the sort order (<code>null</code> not permitted).
 *
 * @since 1.0.3
 */
public void sortByKeys(SortOrder order) {
    this.data.sortByKeys(order);
    PieDatasetChangeType ct = PieDatasetChangeType.UPDATE;
    fireDatasetChanged(new PieDatasetChangeInfo(ct, 0, getItemCount() - 1));
}

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

/**
 * Sorts the dataset's items by value and sends a {@link DatasetChangeEvent}
 * to all registered listeners.//from   w  w w .ja  v  a2 s  . c  om
 *
 * @param order  the sort order (<code>null</code> not permitted).
 *
 * @since 1.0.3
 */
public void sortByValues(SortOrder order) {
    this.data.sortByObjects(order);
    PieDatasetChangeType ct = PieDatasetChangeType.UPDATE;
    fireDatasetChanged(new PieDatasetChangeInfo(ct, 0, getItemCount() - 1));
}

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