Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/exports/ChartSettings.java @ 3468:f37e7e8907cb

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merged flys-artifacts/2.8.1
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:39 +0200
parents b0ba96bbf01d
children dd6e25980c91
comparison
equal deleted inserted replaced
3387:5ffad8bde8ad 3468:f37e7e8907cb
1 package de.intevation.flys.exports;
2
3 import javax.xml.xpath.XPathConstants;
4
5 import org.w3c.dom.Node;
6 import org.w3c.dom.NodeList;
7
8 import org.apache.log4j.Logger;
9
10 import de.intevation.artifacts.common.utils.XMLUtils;
11
12 import de.intevation.artifactdatabase.state.DefaultSection;
13 import de.intevation.artifactdatabase.state.DefaultSettings;
14 import de.intevation.artifactdatabase.state.Section;
15
16
17 /**
18 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
19 */
20 public class ChartSettings extends DefaultSettings {
21
22 private static final Logger logger = Logger.getLogger(ChartSettings.class);
23
24 protected ChartSection chartSection;
25 protected LegendSection legendSection;
26 protected ExportSection exportSection;
27 protected Section axesSection;
28
29
30 public ChartSettings() {
31 super();
32
33 axesSection = new DefaultSection("axes");
34 addSection(axesSection);
35 }
36
37
38 /**
39 * Sets the chart section. Old chart sections are removed.
40 *
41 * @param chartSection A new Section that stores chart specific attributes.
42 */
43 public void setChartSection(ChartSection chartSection) {
44 ChartSection oldChartSection = getChartSection();
45
46 if (oldChartSection != null) {
47 removeSection(oldChartSection);
48 }
49
50 this.chartSection = chartSection;
51 addSection(chartSection);
52 }
53
54
55 /**
56 * Returns the Section that stores chart specific attributes.
57 *
58 * @return the Section that stores chart specific attributes.
59 */
60 public ChartSection getChartSection() {
61 return chartSection;
62 }
63
64
65 /**
66 * Sets the legend section. Old legend sections are removed.
67 *
68 * @param legendSection A new Section that stores legend specific
69 * attributes.
70 */
71 public void setLegendSection(LegendSection legendSection) {
72 LegendSection oldLegendSection = getLegendSection();
73
74 if (oldLegendSection != null) {
75 removeSection(oldLegendSection);
76 }
77
78 this.legendSection = legendSection;
79 addSection(legendSection);
80 }
81
82
83 /**
84 * Returns the Section that stores legend specific attributes.
85 *
86 * @return the Section that stores legend specific attributes.
87 */
88 public LegendSection getLegendSection() {
89 return legendSection;
90 }
91
92
93 /**
94 * Sets the export section. Old export sections are removed.
95 *
96 * @param exportSection A new Section that stores export specific
97 * attributes.
98 */
99 public void setExportSection(ExportSection exportSection) {
100 ExportSection oldExportSection = getExportSection();
101
102 if (oldExportSection != null) {
103 removeSection(oldExportSection);
104 }
105
106 this.exportSection = exportSection;
107 addSection(exportSection);
108 }
109
110
111 /**
112 * Returns the Section that stores export specific attributes.
113 *
114 * @return the Section that stores export specific attributes.
115 */
116 public ExportSection getExportSection() {
117 return exportSection;
118 }
119
120
121 /**
122 * Adds a Section for a new axis of the chart.
123 *
124 * @param axisSection The Section specific for a chart axis.
125 */
126 public void addAxisSection(AxisSection axisSection) {
127 if (axisSection != null) {
128 axesSection.addSubsection(axisSection);
129 }
130 }
131
132
133 /**
134 * This method returns an AxisSection specified by <i>axisId</i> or null if
135 * no AxisSection is existing with identifier <i>axisId</i>.
136 *
137 * @param axisId The identifier of the wanted AxisSection.
138 *
139 * @return the AxisSection specified by <i>axisId</i> or null.
140 */
141 public AxisSection getAxisSection(String axisId) {
142 for (int i = 0, n = axesSection.getSubsectionCount(); i < n; i++) {
143 AxisSection as = (AxisSection) axesSection.getSubsection(i);
144 String id = as.getIdentifier();
145
146 if (id != null && id.equals(axisId)) {
147 return as;
148 }
149 }
150
151 return null;
152 }
153
154
155 /**
156 * Parses the settings from <i>settings</i>. The result is a new
157 * ChartSettings instance.
158 *
159 * @param settings A <i>settings</i> node.
160 *
161 * @return a new <i>ChartSettings</i> instance.
162 */
163 public static ChartSettings parse(Node settings) {
164 if (settings == null) {
165 logger.warn("Tried to parse ChartSettings from empty Node!");
166 return null;
167 }
168
169 ChartSettings chartSettings = new ChartSettings();
170
171 parseAxes(chartSettings, settings);
172 parseChart(chartSettings, settings);
173 parseLegend(chartSettings, settings);
174 parseExport(chartSettings, settings);
175
176 return chartSettings;
177 }
178
179
180 protected static void parseAxes(ChartSettings target, Node settings) {
181 NodeList axesList = (NodeList) XMLUtils.xpath(
182 settings, "axes/axis", XPathConstants.NODESET, null);
183
184 int num = axesList != null ? axesList.getLength() : 0;
185
186 if (num <= 0) {
187 logger.debug("No axis sections found.");
188 return;
189 }
190
191 for (int i = 0; i < num; i++) {
192 parseAxis(target, axesList.item(i));
193 }
194 }
195
196
197 protected static void parseAxis(ChartSettings target, Node axis) {
198 AxisSection section = new AxisSection();
199
200 String id = XMLUtils.xpathString(axis, "id", null);
201 String label = XMLUtils.xpathString(axis, "label", null);
202 String fSize = XMLUtils.xpathString(axis, "font-size", null);
203 String fixation = XMLUtils.xpathString(axis, "fixation", null);
204 String low = XMLUtils.xpathString(axis, "lower", null);
205 String up = XMLUtils.xpathString(axis, "upper", null);
206
207 if (logger.isDebugEnabled()) {
208 logger.debug("Fount axis id: '" + id + "'");
209 logger.debug("Fount axis label: '" + label + "'");
210 logger.debug("Fount axis font size: '" + fSize + "'");
211 logger.debug("Fount axis fixation: '" + fixation + "'");
212 logger.debug("Fount axis lower: '" + low + "'");
213 logger.debug("Fount axis upper: '" + up + "'");
214 }
215
216 section.setIdentifier(id);
217 section.setLabel(label);
218 section.setFontSize(Integer.parseInt(fSize.length() > 0 ? fSize : "-1"));
219 section.setFixed(Boolean.valueOf(fixation));
220 section.setLowerRange(Double.parseDouble(low.length() > 0 ? low : "0"));
221 section.setUpperRange(Double.parseDouble(up.length() > 0 ? up : "0"));
222
223 target.addAxisSection(section);
224 }
225
226
227 protected static void parseChart(ChartSettings target, Node chart) {
228 ChartSection chartSection = new ChartSection();
229
230 String title = XMLUtils.xpathString(chart, "chart/title", null);
231 String sub = XMLUtils.xpathString(chart, "chart/subtitle", null);
232 String grid = XMLUtils.xpathString(chart, "chart/display-grid", null);
233
234 if (logger.isDebugEnabled()) {
235 logger.debug("Found chart title: '" + title + "'");
236 logger.debug("Found chart subtitle: '" + sub + "'");
237 logger.debug("Found chart grid: '" + grid + "'");
238 }
239
240 chartSection.setTitle(title);
241 chartSection.setSubtitle(sub);
242 chartSection.setDisplayGird(Boolean.valueOf(grid));
243
244 target.setChartSection(chartSection);
245 }
246
247
248 protected static void parseLegend(ChartSettings target, Node legend) {
249 LegendSection section = new LegendSection();
250
251 String vis = XMLUtils.xpathString(legend, "legend/visibility", null);
252 String fSize = XMLUtils.xpathString(legend, "legend/font-size", null);
253 String lthre = XMLUtils.xpathString(legend, "legend/aggregation-threshold", null);
254
255 if (logger.isDebugEnabled()) {
256 logger.debug("Found legend visibility: '" + vis + "'");
257 logger.debug("Found legend font size : '" + fSize + "'");
258 logger.debug("Found legend aggregation threshold : '" + lthre + "'");
259 }
260
261 section.setVisibility(Boolean.valueOf(vis));
262 section.setFontSize(Integer.valueOf(fSize.length() > 0 ? fSize : "-1"));
263 section.setAggregationThreshold(Integer.valueOf(lthre.length() >0 ? lthre : "-1"));
264
265 target.setLegendSection(section);
266 }
267
268
269 protected static void parseExport(ChartSettings target, Node export) {
270 ExportSection section = new ExportSection();
271
272 String width = XMLUtils.xpathString(export, "export/width", null);
273 String height = XMLUtils.xpathString(export, "export/height", null);
274
275 if (logger.isDebugEnabled()) {
276 logger.debug("Found export width : '" + width + "'");
277 logger.debug("Found export height: '" + height + "'");
278 }
279
280 section.setWidth(Integer.valueOf(width.length() > 0 ? width : "-1"));
281 section.setHeight(Integer.valueOf(height.length() > 0 ? height : "-1"));
282
283 target.setExportSection(section);
284 }
285 }
286 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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