taskseriescollection.java

这是一个segy数据显示程序

        return getStartValue(row, column);
    }

    /**
     * Returns the start value for a task.
     *
     * @param rowKey  the series.
     * @param columnKey  the category.
     *
     * @return The start value.
     */
    public Number getStartValue(final Comparable rowKey, final Comparable columnKey) {
        final int row = getRowIndex(rowKey);
        final int column = getColumnIndex(columnKey);
        return getStartValue(row, column);
    }

    /**
     * Returns the start value for a task.
     *
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     *
     * @return The start value.
     */
    public Number getStartValue (final int row, final int column) {

        Number result = null;
        final TaskSeries series = (TaskSeries) this.data.get(row);
        final int tasks = series.getItemCount();
        if (column < tasks) {
            final Task task = series.get(column);
            result = new Long(task.getDuration().getStart().getTime());
        }
        return result;

    }

    /**
     * Returns the end value for a task.
     *
     * @param rowKey  the series.
     * @param columnKey  the category.
     *
     * @return The end value.
     */
    public Number getEndValue (final Comparable rowKey, final Comparable columnKey) {
        final int row = getRowIndex(rowKey);
        final int column = getColumnIndex(columnKey);
        return getEndValue(row, column);
    }

    /**
     * Returns the end value for a task.
     *
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     *
     * @return The end value.
     */
    public Number getEndValue (final int row, final int column) {

        Number result = null;
        final TaskSeries series = (TaskSeries) this.data.get(row);
        final int tasks = series.getItemCount();
        if (column < tasks) {
            final Task task = series.get(column);
            result = new Long(task.getDuration().getEnd().getTime());
        }
        return result;

    }

    /**
     * Returns the percent complete for a given item.
     *
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     *
     * @return The percent complete.
     */
    public Number getPercentComplete(final int row, final int column) {
        Number result = null;
        final TaskSeries series = (TaskSeries) this.data.get(row);
        final int tasks = series.getItemCount();
        if (column < tasks) {
            final Task task = series.get(column);
            result = task.getPercentComplete();
        }
        return result;
    }

    /**
     * Returns the percent complete for a given item.
     *
     * @param rowKey  the row key.
     * @param columnKey  the column key.
     *
     * @return The percent complete.
     */
    public Number getPercentComplete(final Comparable rowKey, final Comparable columnKey) {
        final int row = getRowIndex(rowKey);
        final int column = getColumnIndex(columnKey);
        return getPercentComplete(row, column);
    }

    /**
     * Returns the number of sub-intervals for a given item.
     *
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     *
     * @return The sub-interval count.
     */
    public int getSubIntervalCount(final int row, final int column) {

        int result = 0;
        final TaskSeries series = (TaskSeries) this.data.get(row);
        final int tasks = series.getItemCount();
        if (column < tasks) {
            final Task task = series.get(column);
            result = task.getSubtaskCount();
        }
        return result;

    }

    /**
     * Returns the number of sub-intervals for a given item.
     *
     * @param rowKey  the row key.
     * @param columnKey  the column key.
     *
     * @return The sub-interval count.
     */
    public int getSubIntervalCount(final Comparable rowKey, final Comparable columnKey) {

        final int row = getRowIndex(rowKey);
        final int column = getColumnIndex(columnKey);
        return getSubIntervalCount(row, column);

    }

    /**
     * Returns the start value of a sub-interval for a given item.
     *
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     * @param subinterval  the sub-interval index (zero-based).
     *
     * @return The start value (possibly <code>null</code>).
     */
    public Number getStartValue(final int row, final int column, final int subinterval) {

        Number result = null;
        final TaskSeries series = (TaskSeries) this.data.get(row);
        final int tasks = series.getItemCount();
        if (column < tasks) {
            final Task task = series.get(column);
            final Task subtask = task.getSubtask(subinterval);
            result = new Long(subtask.getDuration().getStart().getTime());
        }
        return result;

    }

    /**
     * Returns the start value of a sub-interval for a given item.
     *
     * @param rowKey  the row key.
     * @param columnKey  the column key.
     * @param subinterval  the subinterval.
     *
     * @return The start value (possibly <code>null</code>).
     */
    public Number getStartValue(final Comparable rowKey, 
                                final Comparable columnKey, 
                                final int subinterval) {

        final int row = getRowIndex(rowKey);
        final int column = getColumnIndex(columnKey);
        return getStartValue(row, column, subinterval);

    }

    /**
     * Returns the end value of a sub-interval for a given item.
     *
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     * @param subinterval  the subinterval.
     *
     * @return The end value (possibly <code>null</code>).
     */
    public Number getEndValue(final int row, final int column, final int subinterval) {

        Number result = null;
        final TaskSeries series = (TaskSeries) this.data.get(row);
        final int tasks = series.getItemCount();
        if (column < tasks) {
            final Task task = series.get(column);
            final Task subtask = task.getSubtask(subinterval);
            result = new Long(subtask.getDuration().getEnd().getTime());
        }
        return result;

    }

    /**
     * Returns the end value of a sub-interval for a given item.
     *
     * @param rowKey  the row key.
     * @param columnKey  the column key.
     * @param subinterval  the subinterval.
     *
     * @return The end value (possibly <code>null</code>).
     */
    public Number getEndValue(final Comparable rowKey, 
                              final Comparable columnKey, 
                              final int subinterval) {

        final int row = getRowIndex(rowKey);
        final int column = getColumnIndex(columnKey);
        return getStartValue(row, column, subinterval);

    }

    /**
     * Returns the percentage complete value of a sub-interval for a given item.
     *
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     * @param subinterval  the sub-interval.
     *
     * @return The percent complete value (possibly <code>null</code>).
     */
    public Number getPercentComplete(final int row, final int column, final int subinterval) {
        Number result = null;
        final TaskSeries series = (TaskSeries) this.data.get(row);
        final int tasks = series.getItemCount();
        if (column < tasks) {
            final Task task = series.get(column);
            final Task subtask = task.getSubtask(subinterval);
            result = subtask.getPercentComplete();
        }
        return result;
    }

    /**
     * Returns the percentage complete value of a sub-interval for a given item.
     *
     * @param rowKey  the row key.
     * @param columnKey  the column key.
     * @param subinterval  the sub-interval.
     *
     * @return The precent complete value (possibly <code>null</code>).
     */
    public Number getPercentComplete(final Comparable rowKey, 
                                     final Comparable columnKey, 
                                     final int subinterval) {
        final int row = getRowIndex(rowKey);
        final int column = getColumnIndex(columnKey);
        return getPercentComplete(row, column, subinterval);
    }

    /**
     * Called when a series belonging to the dataset changes.
     *
     * @param event  information about the change.
     */
    public void seriesChanged(final SeriesChangeEvent event) {
        refreshKeys();
        fireDatasetChanged();
    }

    /**
     * Refreshes the keys.
     */
    private void refreshKeys() {

        this.keys.clear();
        for (int i = 0; i < getSeriesCount(); i++) {
            final TaskSeries series = (TaskSeries) this.data.get(i);
            // look for any keys that we don't already know about...
            final Iterator iterator = series.getTasks().iterator();
            while (iterator.hasNext()) {
                final Task task = (Task) iterator.next();
                final String key = task.getDescription();
                final int index = this.keys.indexOf(key);
                if (index < 0) {
                    this.keys.add(key);
                }
            }
        }

    }

}