defaultstatisticalcategorydataset.java

来自「java开发中使用Jfreechart进行画图的源码」· Java 代码 · 共 727 行 · 第 1/2 页

        int r = this.data.getColumnIndex(columnKey);
        int c = this.data.getRowIndex(rowKey);
        if ((r == this.maximumRangeValueRow && c
                == this.maximumRangeValueColumn) || (r
                == this.maximumRangeValueIncStdDevRow && c
                == this.maximumRangeValueIncStdDevColumn) || (r
                == this.minimumRangeValueRow && c
                == this.minimumRangeValueColumn) || (r
                == this.minimumRangeValueIncStdDevRow && c
                == this.minimumRangeValueIncStdDevColumn)) {

            // iterate over all data items and update mins and maxes
            updateBounds();
        }
        else {
            if (!Double.isNaN(m)) {
                if (Double.isNaN(this.maximumRangeValue)
                        || m > this.maximumRangeValue) {
                    this.maximumRangeValue = m;
                    this.maximumRangeValueRow = r;
                    this.maximumRangeValueColumn = c;
                }
            }

            if (!Double.isNaN(m + sd)) {
                if (Double.isNaN(this.maximumRangeValueIncStdDev)
                        || (m + sd) > this.maximumRangeValueIncStdDev) {
                    this.maximumRangeValueIncStdDev = m + sd;
                    this.maximumRangeValueIncStdDevRow = r;
                    this.maximumRangeValueIncStdDevColumn = c;
                }
            }

            if (!Double.isNaN(m)) {
                if (Double.isNaN(this.minimumRangeValue)
                        || m < this.minimumRangeValue) {
                    this.minimumRangeValue = m;
                    this.minimumRangeValueRow = r;
                    this.minimumRangeValueColumn = c;
                }
            }

            if (!Double.isNaN(m - sd)) {
                if (Double.isNaN(this.minimumRangeValueIncStdDev)
                        || (m - sd) < this.minimumRangeValueIncStdDev) {
                    this.minimumRangeValueIncStdDev = m - sd;
                    this.minimumRangeValueIncStdDevRow = r;
                    this.minimumRangeValueIncStdDevColumn = c;
                }
            }
        }
        fireDatasetChanged();
    }

    /**
     * Removes an item from the dataset and sends a {@link DatasetChangeEvent}
     * to all registered listeners.
     *
     * @param rowKey  the row key (<code>null</code> not permitted).
     * @param columnKey  the column key (<code>null</code> not permitted).
     *
     * @see #add(double, double, Comparable, Comparable)
     *
     * @since 1.0.7
     */
    public void remove(Comparable rowKey, Comparable columnKey) {
        // defer null argument checks
        int r = getRowIndex(rowKey);
        int c = getColumnIndex(columnKey);
        this.data.removeObject(rowKey, columnKey);

        // if this cell held a maximum and/or minimum value, we'll need to
        // update the cached bounds...
        if ((r == this.maximumRangeValueRow && c
                == this.maximumRangeValueColumn) || (r
                == this.maximumRangeValueIncStdDevRow && c
                == this.maximumRangeValueIncStdDevColumn) || (r
                == this.minimumRangeValueRow && c
                == this.minimumRangeValueColumn) || (r
                == this.minimumRangeValueIncStdDevRow && c
                == this.minimumRangeValueIncStdDevColumn)) {

            // iterate over all data items and update mins and maxes
            updateBounds();
        }

        fireDatasetChanged();
    }


    /**
     * Removes a row from the dataset and sends a {@link DatasetChangeEvent}
     * to all registered listeners.
     *
     * @param rowIndex  the row index.
     *
     * @see #removeColumn(int)
     *
     * @since 1.0.7
     */
    public void removeRow(int rowIndex) {
        this.data.removeRow(rowIndex);
        updateBounds();
        fireDatasetChanged();
    }

    /**
     * Removes a row from the dataset and sends a {@link DatasetChangeEvent}
     * to all registered listeners.
     *
     * @param rowKey  the row key (<code>null</code> not permitted).
     *
     * @see #removeColumn(Comparable)
     *
     * @since 1.0.7
     */
    public void removeRow(Comparable rowKey) {
        this.data.removeRow(rowKey);
        updateBounds();
        fireDatasetChanged();
    }

    /**
     * Removes a column from the dataset and sends a {@link DatasetChangeEvent}
     * to all registered listeners.
     *
     * @param columnIndex  the column index.
     *
     * @see #removeRow(int)
     *
     * @since 1.0.7
     */
    public void removeColumn(int columnIndex) {
        this.data.removeColumn(columnIndex);
        updateBounds();
        fireDatasetChanged();
    }

    /**
     * Removes a column from the dataset and sends a {@link DatasetChangeEvent}
     * to all registered listeners.
     *
     * @param columnKey  the column key (<code>null</code> not permitted).
     *
     * @see #removeRow(Comparable)
     *
     * @since 1.0.7
     */
    public void removeColumn(Comparable columnKey) {
        this.data.removeColumn(columnKey);
        updateBounds();
        fireDatasetChanged();
    }

    /**
     * Clears all data from the dataset and sends a {@link DatasetChangeEvent}
     * to all registered listeners.
     *
     * @since 1.0.7
     */
    public void clear() {
        this.data.clear();
        updateBounds();
        fireDatasetChanged();
    }

    /**
     * Iterate over all the data items and update the cached bound values.
     */
    private void updateBounds() {
        this.maximumRangeValue = Double.NaN;
        this.maximumRangeValueRow = -1;
        this.maximumRangeValueColumn = -1;
        this.minimumRangeValue = Double.NaN;
        this.minimumRangeValueRow = -1;
        this.minimumRangeValueColumn = -1;
        this.maximumRangeValueIncStdDev = Double.NaN;
        this.maximumRangeValueIncStdDevRow = -1;
        this.maximumRangeValueIncStdDevColumn = -1;
        this.minimumRangeValueIncStdDev = Double.NaN;
        this.minimumRangeValueIncStdDevRow = -1;
        this.minimumRangeValueIncStdDevColumn = -1;

        int rowCount = this.data.getRowCount();
        int columnCount = this.data.getColumnCount();
        for (int r = 0; r < rowCount; r++) {
            for (int c = 0; c < columnCount; c++) {
                double m = Double.NaN;
                double sd = Double.NaN;
                MeanAndStandardDeviation masd = (MeanAndStandardDeviation)
                        this.data.getObject(r, c);
                if (masd == null) {
                    continue;
                }
                m = masd.getMeanValue();
                sd = masd.getStandardDeviationValue();

                if (!Double.isNaN(m)) {

                    // update the max value
                    if (Double.isNaN(this.maximumRangeValue)) {
                        this.maximumRangeValue = m;
                        this.maximumRangeValueRow = r;
                        this.maximumRangeValueColumn = c;
                    }
                    else {
                        if (m > this.maximumRangeValue) {
                            this.maximumRangeValue = m;
                            this.maximumRangeValueRow = r;
                            this.maximumRangeValueColumn = c;
                        }
                    }

                    // update the min value
                    if (Double.isNaN(this.minimumRangeValue)) {
                        this.minimumRangeValue = m;
                        this.minimumRangeValueRow = r;
                        this.minimumRangeValueColumn = c;
                    }
                    else {
                        if (m < this.minimumRangeValue) {
                            this.minimumRangeValue = m;
                            this.minimumRangeValueRow = r;
                            this.minimumRangeValueColumn = c;
                        }
                    }

                    if (!Double.isNaN(sd)) {
                        // update the max value
                        if (Double.isNaN(this.maximumRangeValueIncStdDev)) {
                            this.maximumRangeValueIncStdDev = m + sd;
                            this.maximumRangeValueIncStdDevRow = r;
                            this.maximumRangeValueIncStdDevColumn = c;
                        }
                        else {
                            if (m + sd > this.maximumRangeValueIncStdDev) {
                                this.maximumRangeValueIncStdDev = m + sd;
                                this.maximumRangeValueIncStdDevRow = r;
                                this.maximumRangeValueIncStdDevColumn = c;
                            }
                        }

                        // update the min value
                        if (Double.isNaN(this.minimumRangeValueIncStdDev)) {
                            this.minimumRangeValueIncStdDev = m - sd;
                            this.minimumRangeValueIncStdDevRow = r;
                            this.minimumRangeValueIncStdDevColumn = c;
                        }
                        else {
                            if (m - sd < this.minimumRangeValueIncStdDev) {
                                this.minimumRangeValueIncStdDev = m - sd;
                                this.minimumRangeValueIncStdDevRow = r;
                                this.minimumRangeValueIncStdDevColumn = c;
                            }
                        }
                    }
                }
            }
        }
    }

    /**
     * Returns the minimum y-value in the dataset.
     *
     * @param includeInterval  a flag that determines whether or not the
     *                         y-interval is taken into account.
     *
     * @return The minimum value.
     *
     * @see #getRangeUpperBound(boolean)
     */
    public double getRangeLowerBound(boolean includeInterval) {
        if (includeInterval) {
            return this.minimumRangeValueIncStdDev;
        }
        else {
            return this.minimumRangeValue;
        }
    }

    /**
     * Returns the maximum y-value in the dataset.
     *
     * @param includeInterval  a flag that determines whether or not the
     *                         y-interval is taken into account.
     *
     * @return The maximum value.
     *
     * @see #getRangeLowerBound(boolean)
     */
    public double getRangeUpperBound(boolean includeInterval) {
        if (includeInterval) {
            return this.maximumRangeValueIncStdDev;
        }
        else {
            return this.maximumRangeValue;
        }
    }

    /**
     * Returns the range of the values in this dataset's range.
     *
     * @param includeInterval  a flag that determines whether or not the
     *                         y-interval is taken into account.
     *
     * @return The range.
     */
    public Range getRangeBounds(boolean includeInterval) {
        Range result = null;
        if (includeInterval) {
            if (!Double.isNaN(this.minimumRangeValueIncStdDev)
                    && !Double.isNaN(this.maximumRangeValueIncStdDev)) {
                result = new Range(this.minimumRangeValueIncStdDev,
                        this.maximumRangeValueIncStdDev);
            }
        }
        else {
            if (!Double.isNaN(this.minimumRangeValue)
                    && !Double.isNaN(this.maximumRangeValue)) {
                result = new Range(this.minimumRangeValue,
                        this.maximumRangeValue);
            }
        }
        return result;
    }

    /**
     * Tests this instance for equality with an arbitrary object.
     *
     * @param obj  the object (<code>null</code> permitted).
     *
     * @return A boolean.
     */
    public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (!(obj instanceof DefaultStatisticalCategoryDataset)) {
            return false;
        }
        DefaultStatisticalCategoryDataset that
                = (DefaultStatisticalCategoryDataset) obj;
        if (!this.data.equals(that.data)) {
            return false;
        }
        return true;
    }

    /**
     * Returns a clone of this dataset.
     *
     * @return A clone of this dataset.
     *
     * @throws CloneNotSupportedException if cloning cannot be completed.
     */
    public Object clone() throws CloneNotSupportedException {
        DefaultStatisticalCategoryDataset clone
                = (DefaultStatisticalCategoryDataset) super.clone();
        clone.data = (KeyedObjects2D) this.data.clone();
        return clone;
    }
}