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1 package com.genimen.djeneric.web.renderers;
2
3 import java.util.HashMap  ;
4 import java.util.Iterator ;
5
6 import javax.xml.parsers.FactoryConfigurationError ;
7 import javax.xml.parsers.ParserConfigurationException ;
8
9 import org.w3c.dom.Document ;
10 import org.w3c.dom.Element ;
11
12 import com.genimen.djeneric.language.Messages;
13 import com.genimen.djeneric.repository.DjDomain;
14 import com.genimen.djeneric.repository.DjDomainValue;
15 import com.genimen.djeneric.repository.DjExtent;
16 import com.genimen.djeneric.repository.DjList;
17 import com.genimen.djeneric.repository.DjObject;
18 import com.genimen.djeneric.repository.DjProperty;
19 import com.genimen.djeneric.repository.DjSession;
20 import com.genimen.djeneric.repository.exceptions.DjenericException;
21
22 public class FilterRenderer extends AbstractRenderer
23 {
24 public static int _uidcounter = 1;
25
26 public FilterRenderer()
27 {
28 }
29
30 public Document asXml(DjExtent extent, DjSession session, String excludeProperty) throws FactoryConfigurationError ,
31 ParserConfigurationException , DjenericException
32 {
33 Document doc = createDocument();
34 Element filter = doc.createElement("filter");
35 filter.setAttribute("id", extent.getName() + String.valueOf(_uidcounter++));
36 filter.setAttribute("extent", extent.getName());
37 filter.setAttribute("singlename", extent.getNameSingular());
38 filter.setAttribute("pluralname", extent.getNamePlural());
39 filter.setAttribute("title", Messages.getString("FilterDialog.Find", extent.getNamePlural()));
40 doc.appendChild(filter);
41
42 HashMap domains = new HashMap ();
43 HashMap extents = new HashMap ();
44 DjProperty[] props = extent.getProperties();
45
46 for (int i = 0; i < props.length; i++)
47 {
48 if (!props[i].getName().equals(excludeProperty) && props[i].isQueryable())
49 {
50 addProperty(doc, filter, props[i], domains, extents);
51 }
52 }
53
54 addDomainLists(doc, filter, domains);
55 addExtentLists(doc, filter, extents, session);
56
57 return doc;
58 }
59
60 protected void addProperty(Document doc, Element filter, DjProperty property, HashMap domains, HashMap extents)
61 {
62 Element prop = doc.createElement("property");
63 filter.appendChild(prop);
64 prop.setAttribute("name", property.getName());
65 prop.setAttribute("nativetype", property.getNativeType());
66 int width = determineDisplayWidth(property);
67 prop.setAttribute("size", String.valueOf(width));
68
69 prop.setAttribute("maxlength", String.valueOf(property.getLength() + 10));
71
72 String componentType = "textfield";
73 if (property.getType() instanceof DjDomain)
74 {
75 DjDomain domain = (DjDomain) property.getType();
76 if (domain.hasValidValues())
77 {
78 componentType = "combobox";
79
80 String domainId = "dom_" + domain.getName();
81 prop.setAttribute("valuelist", domainId);
82 domains.put(domainId, domain);
83 }
84 }
85 else
86 {
87 if (property.getType() instanceof DjExtent)
88 {
89 DjExtent theExtent = (DjExtent) property.getType();
90
91 if (theExtent.isLarge())
92 {
93 componentType = "chooser";
94 prop.setAttribute("extent", theExtent.getName());
95 }
96 else
97 {
98 componentType = "combobox";
99 String extentId = "ext_" + theExtent.getName();
100 prop.setAttribute("valuelist", extentId);
101 extents.put(extentId, theExtent);
102 }
103 }
104 }
105 prop.setAttribute("prompt", property.getPrompt());
106 prop.setAttribute("component", componentType);
107 }
108
109 private void addExtentLists(Document doc, Element filter, HashMap extents, DjSession session)
110 throws DjenericException
111 {
112 Iterator it = extents.keySet().iterator();
113 while (it.hasNext())
114 {
115 String key = it.next().toString();
116 Element list = doc.createElement("valuelist");
117 filter.appendChild(list);
118 list.setAttribute("name", key);
119 DjExtent ext = (DjExtent) extents.get(key);
120 DjList objects = session.getObjects(ext);
121 objects.sort();
122 Iterator ito = objects.iterator();
123 while (ito.hasNext())
124 {
125 DjObject obj = (DjObject) ito.next();
126 Element pair = doc.createElement("item");
127 list.appendChild(pair);
128 pair.setAttribute("value", String.valueOf(obj.getObjectId()));
129 pair.setAttribute("descr", obj.toString());
130 }
131 }
132 }
133
134 private void addDomainLists(Document doc, Element filter, HashMap domains)
135 {
136 Iterator it = domains.keySet().iterator();
137 while (it.hasNext())
138 {
139 String key = it.next().toString();
140 Element list = doc.createElement("valuelist");
141 filter.appendChild(list);
142 list.setAttribute("name", key);
143 Object o = domains.get(key);
144 DjDomain dom = (DjDomain) domains.get(key);
145 DjDomainValue[] values = dom.getValidValues();
146
147 for (int i = 0; i < values.length; i++)
148 {
149 Element pair = doc.createElement("item");
150 list.appendChild(pair);
151 pair.setAttribute("value", values[i].getValue().toString());
152 pair.setAttribute("descr", values[i].getDescription());
153 }
154 }
155 }
156
157 private int determineDisplayWidth(DjProperty property)
158 {
159 if (property.getType() instanceof DjDomain)
160 {
161 DjDomain domain = (DjDomain) property.getType();
162 int width = domain.getDisplayWidth();
163 if (width == 0) width = property.getLength();
164 if (width == 0 && property.getTypeCode() == DjDomain.DATE_TYPE) width = 10;
165 if (width > 50) width = 50;
166 return width;
167 }
168 else return 50;
169 }
170 }
171 |
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