Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/RiverSelect.java @ 3786:4adc35aa655c

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merged flys-artifacts/2.9.1
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:47 +0200
parents 7b14d00bca8a
children 8e66293c5369
comparison
equal deleted inserted replaced
3719:e82acd5c86f7 3786:4adc35aa655c
1 package de.intevation.flys.artifacts.states;
2
3 import java.util.List;
4
5 import org.apache.log4j.Logger;
6
7 import org.w3c.dom.Element;
8 import org.w3c.dom.Node;
9
10 import de.intevation.artifacts.Artifact;
11 import de.intevation.artifacts.CallContext;
12
13 import de.intevation.artifacts.common.utils.XMLUtils;
14
15 import de.intevation.artifactdatabase.ProtocolUtils;
16 import de.intevation.artifactdatabase.data.StateData;
17
18 import de.intevation.flys.model.River;
19
20 import de.intevation.flys.artifacts.FLYSArtifact;
21 import de.intevation.flys.artifacts.model.RiverFactory;
22 import de.intevation.flys.artifacts.resources.Resources;
23
24
25 /**
26 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
27 */
28 public class RiverSelect extends DefaultState {
29
30 /** The logger used in this class. */
31 private static Logger logger = Logger.getLogger(RiverSelect.class);
32
33 /** Error message that is thrown if no river was found based on a given
34 * name.*/
35 public static final String ERROR_NO_SUCH_RIVER =
36 "error_feed_no_such_river";
37
38 /** Error message that is thrown if no river was found based on a given
39 * name.*/
40 public static final String ERROR_NO_RIVER_SELECTED =
41 "error_feed_no_river_selected";
42
43
44 /**
45 * The default constructor that initializes an empty State object.
46 */
47 public RiverSelect() {
48 }
49
50
51 /**
52 * Initialize the state based on the state node in the configuration.
53 *
54 * @param config The state configuration node.
55 */
56 public void setup(Node config) {
57 super.setup(config);
58 }
59
60
61 protected Element createData(
62 XMLUtils.ElementCreator cr,
63 Artifact artifact,
64 StateData data,
65 CallContext context)
66 {
67 Element select = ProtocolUtils.createArtNode(
68 cr, "select",
69 new String[] { "uiprovider" },
70 new String[] { "select_with_map" });
71 cr.addAttr(select, "name", data.getName(), true);
72
73 Element label = ProtocolUtils.createArtNode(
74 cr, "label", null, null);
75
76 Element choices = ProtocolUtils.createArtNode(
77 cr, "choices", null, null);
78
79 select.appendChild(label);
80
81 label.setTextContent(Resources.getMsg(
82 context.getMeta(),
83 getID(),
84 getID()));
85
86 return select;
87 }
88
89
90 @Override
91 protected Element[] createItems(
92 XMLUtils.ElementCreator cr,
93 Artifact artifact,
94 String name,
95 CallContext context)
96 {
97 List<River> rivers = RiverFactory.getRivers();
98 Element[] items = new Element[rivers.size()];
99
100 int idx = 0;
101 for (River river: rivers) {
102 items[idx++] = createRiverItem(cr, river);
103 }
104
105 return items;
106 }
107
108
109 /**
110 * This method creates a node that represents a river item. This node
111 * contains the label and the value that describe the river.
112 *
113 * @param cr The ElementCreator.
114 * @param river The river.
115 *
116 * @return the element that contains the information about the river.
117 */
118 protected Element createRiverItem(XMLUtils.ElementCreator cr, River river) {
119 Element item = ProtocolUtils.createArtNode(cr, "item", null, null);
120 Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
121 Element value = ProtocolUtils.createArtNode(cr, "value", null, null);
122
123 label.setTextContent(river.getName());
124 value.setTextContent(river.getName());
125
126 item.appendChild(label);
127 item.appendChild(value);
128
129 return item;
130 }
131
132
133 @Override
134 public boolean validate(Artifact artifact)
135 throws IllegalArgumentException
136 {
137 logger.debug("RiverSelect.validate");
138
139 FLYSArtifact flys = (FLYSArtifact) artifact;
140
141 StateData dRiver = getData(flys, "river");
142
143 if (dRiver == null || dRiver.getValue() == null) {
144 throw new IllegalArgumentException(ERROR_NO_RIVER_SELECTED);
145 }
146
147 River river = RiverFactory.getRiver((String) dRiver.getValue());
148
149 if (river == null) {
150 throw new IllegalArgumentException(ERROR_NO_SUCH_RIVER);
151 }
152
153 return true;
154 }
155
156
157 @Override
158 protected String getUIProvider() {
159 return "river_panel";
160 }
161 }
162 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
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