taskseriescollection.java

java图形利器

     * @return The item value.
     */
    public Number getValue(Comparable rowKey, Comparable columnKey) {
        return getStartValue(rowKey, columnKey);
    }

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

    /**
     * Returns the start value for a task.  This is a date/time value, measured
     * in milliseconds since 1-Jan-1970.
     *
     * @param rowKey  the series.
     * @param columnKey  the category.
     *
     * @return The start value (possibly <code>null</code>).
     */
    public Number getStartValue(Comparable rowKey, Comparable columnKey) {
        Number result = null;
        int row = getRowIndex(rowKey);
        TaskSeries series = (TaskSeries) this.data.get(row);
        Task task = series.get(columnKey.toString());
        if (task != null) {
            TimePeriod duration = task.getDuration();
            if (duration != null) {
                result = new Long(duration.getStart().getTime());
            }
        }
        return result;
    }

    /**
     * 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(int row, int column) {
        Comparable rowKey = getRowKey(row);
        Comparable columnKey = getColumnKey(column);
        return getStartValue(rowKey, columnKey);
    }

    /**
     * Returns the end value for a task.  This is a date/time value, measured
     * in milliseconds since 1-Jan-1970.
     *
     * @param rowKey  the series.
     * @param columnKey  the category.
     *
     * @return The end value (possibly <code>null</code>).
     */
    public Number getEndValue(Comparable rowKey, Comparable columnKey) {
        Number result = null;
        int row = getRowIndex(rowKey);
        TaskSeries series = (TaskSeries) this.data.get(row);
        Task task = series.get(columnKey.toString());
        if (task != null) {
            TimePeriod duration = task.getDuration();
            if (duration != null) {
                result = new Long(duration.getEnd().getTime());
            }
        }
        return result;
    }

    /**
     * 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(int row, int column) {
        Comparable rowKey = getRowKey(row);
        Comparable columnKey = getColumnKey(column);
        return getEndValue(rowKey, columnKey);
    }

    /**
     * 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 (possibly <code>null</code>).
     */
    public Number getPercentComplete(int row, int column) {
        Comparable rowKey = getRowKey(row);
        Comparable columnKey = getColumnKey(column);
        return getPercentComplete(rowKey, columnKey);
    }

    /**
     * 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(Comparable rowKey, Comparable columnKey) {
        Number result = null;
        int row = getRowIndex(rowKey);
        TaskSeries series = (TaskSeries) this.data.get(row);
        Task task = series.get(columnKey.toString());
        if (task != null) {
            result = task.getPercentComplete();
        }
        return result;
    }

    /**
     * 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(int row, int column) {
        Comparable rowKey = getRowKey(row);
        Comparable columnKey = getColumnKey(column);
        return getSubIntervalCount(rowKey, columnKey);
    }

    /**
     * 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(Comparable rowKey, Comparable columnKey) {
        int result = 0;
        int row = getRowIndex(rowKey);
        TaskSeries series = (TaskSeries) this.data.get(row);
        Task task = series.get(columnKey.toString());
        if (task != null) {
            result = task.getSubtaskCount();
        }
        return result;
    }

    /**
     * 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(int row, int column, int subinterval) {
        Comparable rowKey = getRowKey(row);
        Comparable columnKey = getColumnKey(column);
        return getStartValue(rowKey, columnKey, subinterval);
    }

    /**
     * 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(Comparable rowKey, Comparable columnKey, 
                                int subinterval) {
        Number result = null;
        int row = getRowIndex(rowKey);
        TaskSeries series = (TaskSeries) this.data.get(row);
        Task task = series.get(columnKey.toString());
        if (task != null) {
            Task sub = task.getSubtask(subinterval);
            if (sub != null) {
                TimePeriod duration = sub.getDuration();
                result = new Long(duration.getStart().getTime());
            }
        }
        return result;
    }

    /**
     * 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(int row, int column, int subinterval) {
        Comparable rowKey = getRowKey(row);
        Comparable columnKey = getColumnKey(column);
        return getEndValue(rowKey, columnKey, subinterval);
    }

    /**
     * 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(Comparable rowKey, Comparable columnKey, 
                              int subinterval) {
        Number result = null;
        int row = getRowIndex(rowKey);
        TaskSeries series = (TaskSeries) this.data.get(row);
        Task task = series.get(columnKey.toString());
        if (task != null) {
            Task sub = task.getSubtask(subinterval);
            if (sub != null) {
                TimePeriod duration = sub.getDuration();
                result = new Long(duration.getEnd().getTime());
            }
        }
        return result;
    }

    /**
     * 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(int row, int column, int subinterval) {
        Comparable rowKey = getRowKey(row);
        Comparable columnKey = getColumnKey(column);
        return getPercentComplete(rowKey, columnKey, subinterval);
    }

    /**
     * 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(Comparable rowKey, Comparable columnKey, 
                                     int subinterval) {
        Number result = null;
        int row = getRowIndex(rowKey);
        TaskSeries series = (TaskSeries) this.data.get(row);
        Task task = series.get(columnKey.toString());
        if (task != null) {
            Task sub = task.getSubtask(subinterval);
            if (sub != null) {
                result = sub.getPercentComplete();
            }
        }
        return result;
    }

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

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

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

    }
    
    /**
     * 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 TaskSeriesCollection)) {
            return false;
        }
        TaskSeriesCollection that = (TaskSeriesCollection) obj;
        if (!ObjectUtilities.equal(this.data, that.data)) {
            return false;
        }
        return true;
    }

}