001 package edu.nrao.sss.webapp.faces.tag;
002
003 import javax.faces.webapp.UIComponentTag;
004 import javax.faces.component.UIComponent;
005 import javax.faces.context.FacesContext;
006 import javax.faces.application.Application;
007 import javax.faces.el.ValueBinding;
008 import javax.faces.el.ReferenceSyntaxException;
009
010 import org.apache.log4j.Logger;
011
012 import edu.nrao.sss.webapp.faces.component.LongitudeUIComponent;
013
014 public class LongitudeTag extends UIComponentTag
015 {
016 private static final Logger log = Logger.getLogger(LongitudeTag.class);
017
018 public String getComponentType() { return "edu.nrao.sss.Longitude"; }
019 public String getRendererType() { return null; }
020
021 private String value = null,
022 enabled = null,
023 style = null,
024 styleClass = null;
025
026 @SuppressWarnings("unchecked")
027 protected void setProperties(UIComponent component)
028 {
029 super.setProperties(component);
030
031 log.debug("Value is: " + value);
032 if (value != null)
033 {
034 if (isValueReference(value))
035 {
036 FacesContext context = FacesContext.getCurrentInstance();
037 Application app = context.getApplication();
038 ValueBinding vb = app.createValueBinding(value);
039
040 component.setValueBinding("value", vb);
041 }
042
043 else
044 {
045 throw new ReferenceSyntaxException(value + " is not a valid EL expression");
046 }
047 }
048
049 if (enabled != null)
050 {
051 if (isValueReference(enabled))
052 {
053 FacesContext context = FacesContext.getCurrentInstance();
054 Application app = context.getApplication();
055 ValueBinding vb = app.createValueBinding(enabled);
056
057 component.setValueBinding("enabled", vb);
058 }
059
060 else
061 {
062 ((LongitudeUIComponent)component).setEnabled(isTrue(enabled));
063 }
064 }
065
066 if (style != null)
067 {
068 if (isValueReference(style))
069 {
070 FacesContext context = FacesContext.getCurrentInstance();
071 Application app = context.getApplication();
072 ValueBinding vb = app.createValueBinding(style);
073
074 component.setValueBinding("style", vb);
075 }
076
077 else
078 {
079 component.getAttributes().put("style", style);
080 }
081 }
082
083 if (styleClass != null)
084 {
085 if (isValueReference(styleClass))
086 {
087 FacesContext context = FacesContext.getCurrentInstance();
088 Application app = context.getApplication();
089 ValueBinding vb = app.createValueBinding(styleClass);
090
091 component.setValueBinding("styleClass", vb);
092 }
093
094 else
095 {
096 component.getAttributes().put("styleClass", styleClass);
097 }
098 }
099 }
100
101 public void release()
102 {
103 super.release();
104 this.enabled = null;
105 this.value = null;
106 this.style = null;
107 this.styleClass = null;
108 }
109
110 public void setValue(String v)
111 {
112 this.value = v;
113 }
114
115 public void setEnabled(String e)
116 {
117 this.enabled = e;
118 }
119
120 public void setStyle(String s)
121 {
122 this.style = s;
123 }
124
125 public void setStyleClass(String sc)
126 {
127 this.styleClass = sc;
128 }
129
130 public boolean isTrue(String v)
131 {
132 return ("true".equalsIgnoreCase(v) || "1".equals(v));
133 }
134 }