Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/exports/ChartGenerator.java @ 2330:594885703687

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Picked changes r4015:4026 from trunk. flys-artifacts/tags/2.6@4028 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 10 Feb 2012 11:18:27 +0000
parents 991e4a5df323
children 2f6d4f92d628
comparison
equal deleted inserted replaced
2329:d999062c20e6 2330:594885703687
47 47
48 import de.intevation.flys.model.River; 48 import de.intevation.flys.model.River;
49 49
50 import de.intevation.flys.artifacts.FLYSArtifact; 50 import de.intevation.flys.artifacts.FLYSArtifact;
51 import de.intevation.flys.artifacts.resources.Resources; 51 import de.intevation.flys.artifacts.resources.Resources;
52 import de.intevation.flys.jfree.Bounds;
52 import de.intevation.flys.jfree.EnhancedLineAndShapeRenderer; 53 import de.intevation.flys.jfree.EnhancedLineAndShapeRenderer;
53 import de.intevation.flys.jfree.StableXYDifferenceRenderer; 54 import de.intevation.flys.jfree.StableXYDifferenceRenderer;
54 import de.intevation.flys.jfree.StyledAreaSeriesCollection; 55 import de.intevation.flys.jfree.StyledAreaSeriesCollection;
55 import de.intevation.flys.jfree.Style; 56 import de.intevation.flys.jfree.Style;
56 import de.intevation.flys.jfree.StyledSeries; 57 import de.intevation.flys.jfree.StyledSeries;
245 * @param index The index of the axes at the plot. 246 * @param index The index of the axes at the plot.
246 * 247 *
247 * @return a Range[] with [xrange, yrange]; 248 * @return a Range[] with [xrange, yrange];
248 */ 249 */
249 public abstract Range[] getRangesForAxis(int index); 250 public abstract Range[] getRangesForAxis(int index);
251
252 public abstract Bounds getXBounds(int axis);
253
254 protected abstract void setXBounds(int axis, Bounds bounds);
255
256 public abstract Bounds getYBounds(int axis);
257
258 protected abstract void setYBounds(int axis, Bounds bounds);
250 259
251 260
252 /** 261 /**
253 * This method should be used by concrete subclasses to add subtitle to 262 * This method should be used by concrete subclasses to add subtitle to
254 * <i>chart</i>. <b>The method in this implementation is empty</b>. 263 * <i>chart</i>. <b>The method in this implementation is empty</b>.
1001 : format; 1010 : format;
1002 } 1011 }
1003 1012
1004 1013
1005 /** 1014 /**
1006 * Get Range of Domain ("X"-) Axis from request. 1015 * Returns the X-Axis range as String array from request document.
1007 */ 1016 *
1008 protected Range getDomainAxisRange() { 1017 * @return a String array with [lower, upper].
1018 */
1019 protected String[] getDomainAxisRangeFromRequest() {
1009 Element xrange = (Element)XMLUtils.xpath( 1020 Element xrange = (Element)XMLUtils.xpath(
1010 request, 1021 request,
1011 XPATH_CHART_X_RANGE, 1022 XPATH_CHART_X_RANGE,
1012 XPathConstants.NODE, 1023 XPathConstants.NODE,
1013 ArtifactNamespaceContext.INSTANCE); 1024 ArtifactNamespaceContext.INSTANCE);
1019 String uri = ArtifactNamespaceContext.NAMESPACE_URI; 1030 String uri = ArtifactNamespaceContext.NAMESPACE_URI;
1020 1031
1021 String lower = xrange.getAttributeNS(uri, "from"); 1032 String lower = xrange.getAttributeNS(uri, "from");
1022 String upper = xrange.getAttributeNS(uri, "to"); 1033 String upper = xrange.getAttributeNS(uri, "to");
1023 1034
1024 if (lower.length() > 0 && upper.length() > 0) { 1035 return new String[] { lower, upper };
1025 try { 1036 }
1026 double from = Double.parseDouble(lower); 1037
1027 double to = Double.parseDouble(upper); 1038
1028 1039 protected String[] getValueAxisRangeFromRequest() {
1029 if (from == 0 && to == 0) {
1030 logger.debug("No range specified. Lower and upper X == 0");
1031 return null;
1032 }
1033
1034 if (from > to) {
1035 double tmp = to;
1036 to = from;
1037 from = tmp;
1038 }
1039
1040 return new Range(from, to);
1041 }
1042 catch (NumberFormatException nfe) {
1043 logger.warn("Wrong values for domain axis range.");
1044 }
1045 }
1046
1047 return null;
1048 }
1049
1050
1051 protected Range getValueAxisRange() {
1052 Element yrange = (Element)XMLUtils.xpath( 1040 Element yrange = (Element)XMLUtils.xpath(
1053 request, 1041 request,
1054 XPATH_CHART_Y_RANGE, 1042 XPATH_CHART_Y_RANGE,
1055 XPathConstants.NODE, 1043 XPathConstants.NODE,
1056 ArtifactNamespaceContext.INSTANCE); 1044 ArtifactNamespaceContext.INSTANCE);
1060 } 1048 }
1061 1049
1062 1050
1063 String uri = ArtifactNamespaceContext.NAMESPACE_URI; 1051 String uri = ArtifactNamespaceContext.NAMESPACE_URI;
1064 1052
1065
1066 String lower = yrange.getAttributeNS(uri, "from"); 1053 String lower = yrange.getAttributeNS(uri, "from");
1067 String upper = yrange.getAttributeNS(uri, "to"); 1054 String upper = yrange.getAttributeNS(uri, "to");
1068 1055
1069 if (lower.length() > 0 && upper.length() > 0) { 1056 return new String[] { lower, upper };
1070 try {
1071 double from = Double.parseDouble(lower);
1072 double to = Double.parseDouble(upper);
1073
1074 if (from == 0 && to == 0) {
1075 logger.debug("No range specified. Lower and upper Y == 0");
1076 return null;
1077 }
1078
1079 return from > to
1080 ? new Range(to, from)
1081 : new Range(from, to);
1082 }
1083 catch (NumberFormatException nfe) {
1084 logger.warn("Wrong values for value axis range.");
1085 }
1086 }
1087
1088 return null;
1089 } 1057 }
1090 1058
1091 1059
1092 /** 1060 /**
1093 * Returns the default size of a chart export as array. 1061 * Returns the default size of a chart export as array.
http://dive4elements.wald.intevation.org