comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/ComputationRangeState.java @ 3318:dbe2f85bf160

merged flys-artifacts/2.8
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:35 +0200
parents 0ca00d547f35
children 8e66293c5369
comparison
equal deleted inserted replaced
2987:98c7a46ec5ae 3318:dbe2f85bf160
1 package de.intevation.flys.artifacts.states;
2
3 import org.apache.log4j.Logger;
4
5 import org.w3c.dom.Element;
6
7 import de.intevation.artifacts.Artifact;
8 import de.intevation.artifacts.CallContext;
9
10 import de.intevation.artifacts.common.utils.XMLUtils;
11
12 import de.intevation.artifactdatabase.ProtocolUtils;
13 import de.intevation.artifactdatabase.data.StateData;
14
15 import de.intevation.flys.artifacts.FLYSArtifact;
16
17 import de.intevation.flys.artifacts.model.FacetTypes;
18 import de.intevation.flys.artifacts.resources.Resources;
19
20 import de.intevation.flys.utils.FLYSUtils;
21
22
23 /**
24 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
25 */
26 public class ComputationRangeState
27 extends RangeState
28 implements FacetTypes
29 {
30 private static Logger logger =
31 Logger.getLogger(ComputationRangeState.class);
32
33 /** The name of the 'from' field. */
34 public static final String FROM = "ld_from";
35
36 /** The name of the 'to' field. */
37 public static final String TO = "ld_to";
38
39 /** The name of the 'step' field. */
40 public static final String STEP = "ld_step";
41
42 /** The default step width. */
43 public static final int DEFAULT_STEP = 100;
44
45
46 public ComputationRangeState() {
47 }
48
49
50 @Override
51 protected Element createData(
52 XMLUtils.ElementCreator cr,
53 Artifact artifact,
54 StateData data,
55 CallContext context)
56 {
57 Element select = ProtocolUtils.createArtNode(
58 cr, "select", null, null);
59
60 cr.addAttr(select, "name", data.getName(), true);
61
62 Element label = ProtocolUtils.createArtNode(
63 cr, "label", null, null);
64
65 Element choices = ProtocolUtils.createArtNode(
66 cr, "choices", null, null);
67
68 label.setTextContent(Resources.getMsg(
69 context.getMeta(),
70 data.getName(),
71 data.getName()));
72
73 select.appendChild(label);
74
75 return select;
76 }
77
78
79 @Override
80 protected Element[] createItems(
81 XMLUtils.ElementCreator cr,
82 Artifact artifact,
83 String name,
84 CallContext context)
85 {
86 double[] minmax = getMinMax(artifact);
87
88 double minVal = Double.MIN_VALUE;
89 double maxVal = Double.MAX_VALUE;
90
91 if (minmax != null) {
92 minVal = minmax[0];
93 maxVal = minmax[1];
94 }
95 else {
96 logger.warn("Could not read min/max distance values!");
97 }
98
99 if (name.equals("ld_from")) {
100 Element min = createItem(
101 cr,
102 new String[] {"min", new Double(minVal).toString()});
103
104 return new Element[] { min };
105 }
106 else if (name.equals("ld_to")) {
107 Element max = createItem(
108 cr,
109 new String[] {"max", new Double(maxVal).toString()});
110
111 return new Element[] { max };
112 }
113 else {
114 Element step = createItem(
115 cr,
116 new String[] {"step", String.valueOf(getDefaultStep())});
117 return new Element[] { step };
118 }
119
120 }
121
122
123 protected Element createItem(XMLUtils.ElementCreator cr, Object obj) {
124 Element item = ProtocolUtils.createArtNode(cr, "item", null, null);
125 Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
126 Element value = ProtocolUtils.createArtNode(cr, "value", null, null);
127
128 String[] arr = (String[]) obj;
129
130 label.setTextContent(arr[0]);
131 value.setTextContent(arr[1]);
132
133 item.appendChild(label);
134 item.appendChild(value);
135
136 return item;
137 }
138
139
140 @Override
141 protected double[] getMinMax(Artifact artifact) {
142 FLYSArtifact flysArtifact = (FLYSArtifact) artifact;
143 return FLYSUtils.getRiverMinMax(flysArtifact);
144 }
145
146
147 protected double getDefaultStep() {
148 return DEFAULT_STEP;
149 }
150
151
152 @Override
153 protected String getLowerField() {
154 return FROM;
155 }
156
157
158 @Override
159 protected String getUpperField() {
160 return TO;
161 }
162
163
164 @Override
165 protected String getStepField() {
166 return STEP;
167 }
168 }
169 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :

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