combineddataset.html

jfreechart1。0。2的api。

<FONT color="green">523</FONT>                if (child instanceof CombinationDataset) {<a name="line.523"></a>
<FONT color="green">524</FONT>                    int[] childMap = ((CombinationDataset) child).getMap();<a name="line.524"></a>
<FONT color="green">525</FONT>                    if (childMap == null) {<a name="line.525"></a>
<FONT color="green">526</FONT>                        return null;<a name="line.526"></a>
<FONT color="green">527</FONT>                    }<a name="line.527"></a>
<FONT color="green">528</FONT>                    map = joinMap(map, childMap);<a name="line.528"></a>
<FONT color="green">529</FONT>                }<a name="line.529"></a>
<FONT color="green">530</FONT>                else {<a name="line.530"></a>
<FONT color="green">531</FONT>                    return null;<a name="line.531"></a>
<FONT color="green">532</FONT>                }<a name="line.532"></a>
<FONT color="green">533</FONT>            }<a name="line.533"></a>
<FONT color="green">534</FONT>            return map;<a name="line.534"></a>
<FONT color="green">535</FONT>        }<a name="line.535"></a>
<FONT color="green">536</FONT>    <a name="line.536"></a>
<FONT color="green">537</FONT>        ///////////////////////////////////////////////////////////////////////////<a name="line.537"></a>
<FONT color="green">538</FONT>        // New Methods<a name="line.538"></a>
<FONT color="green">539</FONT>        ///////////////////////////////////////////////////////////////////////////<a name="line.539"></a>
<FONT color="green">540</FONT>    <a name="line.540"></a>
<FONT color="green">541</FONT>        /**<a name="line.541"></a>
<FONT color="green">542</FONT>         * Returns the child position.<a name="line.542"></a>
<FONT color="green">543</FONT>         *<a name="line.543"></a>
<FONT color="green">544</FONT>         * @param child  the child dataset.<a name="line.544"></a>
<FONT color="green">545</FONT>         *<a name="line.545"></a>
<FONT color="green">546</FONT>         * @return The position.<a name="line.546"></a>
<FONT color="green">547</FONT>         */<a name="line.547"></a>
<FONT color="green">548</FONT>        public int getChildPosition(Dataset child) {<a name="line.548"></a>
<FONT color="green">549</FONT>    <a name="line.549"></a>
<FONT color="green">550</FONT>            int n = 0;<a name="line.550"></a>
<FONT color="green">551</FONT>            for (int i = 0; i &lt; this.datasetInfo.size(); i++) {<a name="line.551"></a>
<FONT color="green">552</FONT>                SeriesDataset childDataset = getDatasetInfo(i).data;<a name="line.552"></a>
<FONT color="green">553</FONT>                if (childDataset instanceof CombinedDataset) {<a name="line.553"></a>
<FONT color="green">554</FONT>                    int m = ((CombinedDataset) childDataset)<a name="line.554"></a>
<FONT color="green">555</FONT>                        .getChildPosition(child);<a name="line.555"></a>
<FONT color="green">556</FONT>                    if (m &gt;= 0) {<a name="line.556"></a>
<FONT color="green">557</FONT>                        return n + m;<a name="line.557"></a>
<FONT color="green">558</FONT>                    }<a name="line.558"></a>
<FONT color="green">559</FONT>                    n++;<a name="line.559"></a>
<FONT color="green">560</FONT>                }<a name="line.560"></a>
<FONT color="green">561</FONT>                else {<a name="line.561"></a>
<FONT color="green">562</FONT>                    if (child == childDataset) {<a name="line.562"></a>
<FONT color="green">563</FONT>                        return n;<a name="line.563"></a>
<FONT color="green">564</FONT>                    }<a name="line.564"></a>
<FONT color="green">565</FONT>                    n++;<a name="line.565"></a>
<FONT color="green">566</FONT>                }<a name="line.566"></a>
<FONT color="green">567</FONT>            }<a name="line.567"></a>
<FONT color="green">568</FONT>            return -1;<a name="line.568"></a>
<FONT color="green">569</FONT>        }<a name="line.569"></a>
<FONT color="green">570</FONT>    <a name="line.570"></a>
<FONT color="green">571</FONT>        ///////////////////////////////////////////////////////////////////////////<a name="line.571"></a>
<FONT color="green">572</FONT>        // Private<a name="line.572"></a>
<FONT color="green">573</FONT>        ///////////////////////////////////////////////////////////////////////////<a name="line.573"></a>
<FONT color="green">574</FONT>    <a name="line.574"></a>
<FONT color="green">575</FONT>        /**<a name="line.575"></a>
<FONT color="green">576</FONT>         * Returns the DatasetInfo object associated with the series.<a name="line.576"></a>
<FONT color="green">577</FONT>         *<a name="line.577"></a>
<FONT color="green">578</FONT>         * @param series  the index of the series.<a name="line.578"></a>
<FONT color="green">579</FONT>         *<a name="line.579"></a>
<FONT color="green">580</FONT>         * @return The DatasetInfo object associated with the series.<a name="line.580"></a>
<FONT color="green">581</FONT>         */<a name="line.581"></a>
<FONT color="green">582</FONT>        private DatasetInfo getDatasetInfo(int series) {<a name="line.582"></a>
<FONT color="green">583</FONT>            return (DatasetInfo) this.datasetInfo.get(series);<a name="line.583"></a>
<FONT color="green">584</FONT>        }<a name="line.584"></a>
<FONT color="green">585</FONT>    <a name="line.585"></a>
<FONT color="green">586</FONT>        /**<a name="line.586"></a>
<FONT color="green">587</FONT>         * Joins two map arrays (int[]) together.<a name="line.587"></a>
<FONT color="green">588</FONT>         *<a name="line.588"></a>
<FONT color="green">589</FONT>         * @param a  the first array.<a name="line.589"></a>
<FONT color="green">590</FONT>         * @param b  the second array.<a name="line.590"></a>
<FONT color="green">591</FONT>         *<a name="line.591"></a>
<FONT color="green">592</FONT>         * @return A copy of { a[], b[] }.<a name="line.592"></a>
<FONT color="green">593</FONT>         */<a name="line.593"></a>
<FONT color="green">594</FONT>        private int[] joinMap(int[] a, int[] b) {<a name="line.594"></a>
<FONT color="green">595</FONT>            if (a == null) {<a name="line.595"></a>
<FONT color="green">596</FONT>                return b;<a name="line.596"></a>
<FONT color="green">597</FONT>            }<a name="line.597"></a>
<FONT color="green">598</FONT>            if (b == null) {<a name="line.598"></a>
<FONT color="green">599</FONT>                return a;<a name="line.599"></a>
<FONT color="green">600</FONT>            }<a name="line.600"></a>
<FONT color="green">601</FONT>            int[] result = new int[a.length + b.length];<a name="line.601"></a>
<FONT color="green">602</FONT>            System.arraycopy(a, 0, result, 0, a.length);<a name="line.602"></a>
<FONT color="green">603</FONT>            System.arraycopy(b, 0, result, a.length, b.length);<a name="line.603"></a>
<FONT color="green">604</FONT>            return result;<a name="line.604"></a>
<FONT color="green">605</FONT>        }<a name="line.605"></a>
<FONT color="green">606</FONT>    <a name="line.606"></a>
<FONT color="green">607</FONT>        /**<a name="line.607"></a>
<FONT color="green">608</FONT>         * Private class to store as pairs (SeriesDataset, series) for all combined<a name="line.608"></a>
<FONT color="green">609</FONT>         * series.<a name="line.609"></a>
<FONT color="green">610</FONT>         */<a name="line.610"></a>
<FONT color="green">611</FONT>        private class DatasetInfo {<a name="line.611"></a>
<FONT color="green">612</FONT>    <a name="line.612"></a>
<FONT color="green">613</FONT>            /** The dataset. */<a name="line.613"></a>
<FONT color="green">614</FONT>            private SeriesDataset data;<a name="line.614"></a>
<FONT color="green">615</FONT>    <a name="line.615"></a>
<FONT color="green">616</FONT>            /** The series. */<a name="line.616"></a>
<FONT color="green">617</FONT>            private int series;<a name="line.617"></a>
<FONT color="green">618</FONT>    <a name="line.618"></a>
<FONT color="green">619</FONT>            /**<a name="line.619"></a>
<FONT color="green">620</FONT>             * Creates a new dataset info record.<a name="line.620"></a>
<FONT color="green">621</FONT>             *<a name="line.621"></a>
<FONT color="green">622</FONT>             * @param data  the dataset.<a name="line.622"></a>
<FONT color="green">623</FONT>             * @param series  the series.<a name="line.623"></a>
<FONT color="green">624</FONT>             */<a name="line.624"></a>
<FONT color="green">625</FONT>            DatasetInfo(SeriesDataset data, int series) {<a name="line.625"></a>
<FONT color="green">626</FONT>                this.data = data;<a name="line.626"></a>
<FONT color="green">627</FONT>                this.series = series;<a name="line.627"></a>
<FONT color="green">628</FONT>            }<a name="line.628"></a>
<FONT color="green">629</FONT>        }<a name="line.629"></a>
<FONT color="green">630</FONT>    <a name="line.630"></a>
<FONT color="green">631</FONT>    }<a name="line.631"></a>




























































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