Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/exports/XYChartGenerator.java @ 2000:e71719483546
Improved the ChartSettings - now, each chart writes proper AxisSections into the ChartSettings.
flys-artifacts/trunk@3441 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Fri, 16 Dec 2011 13:37:58 +0000 |
| parents | 210020108ca4 |
| children | 79b15491177a |
comparison
equal
deleted
inserted
replaced
| 1999:02ce03329ef5 | 2000:e71719483546 |
|---|---|
| 110 } | 110 } |
| 111 | 111 |
| 112 } | 112 } |
| 113 | 113 |
| 114 | 114 |
| 115 /** | |
| 116 * A mini interface that allows to walk over the YAXIS enums defined in | |
| 117 * subclasses. | |
| 118 */ | |
| 119 public interface YAxisWalker { | |
| 120 int length(); | |
| 121 String getId(int idx); | |
| 122 } | |
| 123 | |
| 124 | |
| 125 protected YAxisWalker getYAxisWalker() { | |
| 126 return new YAxisWalker() { | |
| 127 @Override | |
| 128 public int length() { | |
| 129 return 0; | |
| 130 } | |
| 131 | |
| 132 @Override | |
| 133 public String getId(int idx) { | |
| 134 return null; | |
| 135 } | |
| 136 }; | |
| 137 } | |
| 138 | |
| 139 | |
| 115 /** The logger that is used in this generator. */ | 140 /** The logger that is used in this generator. */ |
| 116 private static Logger logger = Logger.getLogger(XYChartGenerator.class); | 141 private static Logger logger = Logger.getLogger(XYChartGenerator.class); |
| 117 | 142 |
| 118 /** Map of datasets ("index"). */ | 143 /** Map of datasets ("index"). */ |
| 119 protected SortedMap<Integer, AxisDataset> datasets; | 144 protected SortedMap<Integer, AxisDataset> datasets; |
| 203 * Returns the Y-Axis label of a chart. | 228 * Returns the Y-Axis label of a chart. |
| 204 * | 229 * |
| 205 * @return the Y-Axis label of a chart. | 230 * @return the Y-Axis label of a chart. |
| 206 */ | 231 */ |
| 207 protected abstract String getYAxisLabel(); | 232 protected abstract String getYAxisLabel(); |
| 233 | |
| 234 | |
| 235 /** | |
| 236 * Returns the Y-Axis label of a chart at position <i>pos</i>. | |
| 237 * | |
| 238 * @return the Y-Axis label of a chart at position <i>0</i>. | |
| 239 */ | |
| 240 protected String getYAxisLabel(int pos) { | |
| 241 return getYAxisLabel(); | |
| 242 } | |
| 208 | 243 |
| 209 /** | 244 /** |
| 210 * Generate chart. | 245 * Generate chart. |
| 211 */ | 246 */ |
| 212 public void generate() | 247 public void generate() |
| 920 return legendSection; | 955 return legendSection; |
| 921 } | 956 } |
| 922 | 957 |
| 923 | 958 |
| 924 /** | 959 /** |
| 925 * Creates new Sections for chart axes. Subclasses of this ChartGenerator | 960 * Creates a list of Sections that contains all axes of the chart (including |
| 926 * should override this method to include all necessary Y axes in that | 961 * X and Y axes). |
| 927 * concrete chart. The only Section contained in the list is the X axis. | 962 * |
| 963 * @return a list of Sections for each axis in this chart. | |
| 964 */ | |
| 965 protected List<Section> buildAxisSections() { | |
| 966 List<Section> axisSections = new ArrayList<Section>(); | |
| 967 | |
| 968 axisSections.addAll(buildXAxisSections()); | |
| 969 axisSections.addAll(buildYAxisSections()); | |
| 970 | |
| 971 return axisSections; | |
| 972 } | |
| 973 | |
| 974 | |
| 975 /** | |
| 976 * Creates a new Section for chart's X axis. | |
| 928 * | 977 * |
| 929 * @return a List that contains a Section for the X axis. | 978 * @return a List that contains a Section for the X axis. |
| 930 */ | 979 */ |
| 931 protected List<Section> buildAxisSections() { | 980 protected List<Section> buildXAxisSections() { |
| 932 List<Section> axisSections = new ArrayList<Section>(); | 981 List<Section> axisSections = new ArrayList<Section>(); |
| 933 | 982 |
| 934 String identifier = "X"; | 983 String identifier = "X"; |
| 935 | 984 |
| 936 AxisSection axisSection = new AxisSection(); | 985 AxisSection axisSection = new AxisSection(); |
| 946 | 995 |
| 947 axisSections.add(axisSection); | 996 axisSections.add(axisSection); |
| 948 | 997 |
| 949 return axisSections; | 998 return axisSections; |
| 950 } | 999 } |
| 1000 | |
| 1001 | |
| 1002 /** | |
| 1003 * Creates a list of Section for the chart's Y axes. This method makes use | |
| 1004 * of <i>getYAxisWalker</i> to be able to access all Y axes defined in | |
| 1005 * subclasses. | |
| 1006 * | |
| 1007 * @return a list of Y axis sections. | |
| 1008 */ | |
| 1009 protected List<Section> buildYAxisSections() { | |
| 1010 List<Section> axisSections = new ArrayList<Section>(); | |
| 1011 | |
| 1012 YAxisWalker walker = getYAxisWalker(); | |
| 1013 for (int i = 0, n = walker.length(); i < n; i++) { | |
| 1014 AxisSection ySection = new AxisSection(); | |
| 1015 ySection.setIdentifier(walker.getId(i)); | |
| 1016 ySection.setLabel(getYAxisLabel(i)); | |
| 1017 ySection.setFontSize(14); | |
| 1018 ySection.setFixed(false); | |
| 1019 | |
| 1020 // XXX We are able to find better default ranges that [0,0], the | |
| 1021 // only problem is, that we do NOT have a better range than [0,0] | |
| 1022 // for each axis, because the initial chart will not have a dataset | |
| 1023 // for each axis set! | |
| 1024 ySection.setUpperRange(0d); | |
| 1025 ySection.setLowerRange(0d); | |
| 1026 | |
| 1027 axisSections.add(ySection); | |
| 1028 } | |
| 1029 | |
| 1030 return axisSections; | |
| 1031 } | |
| 951 } | 1032 } |
| 952 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 1033 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |