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.component.UIInput;
006 import javax.faces.context.FacesContext;
007 import javax.faces.application.Application;
008 import javax.faces.el.ValueBinding;
009 import javax.faces.el.MethodBinding;
010 import javax.faces.el.ReferenceSyntaxException;
011 import javax.faces.event.ValueChangeEvent;
012
013
014 import org.apache.log4j.Logger;
015
016 import edu.nrao.sss.model.project.scan.ScanMode;
017 import edu.nrao.sss.webapp.faces.component.ScanIntentsUIComponent;
018
019 public class ScanIntentsTag extends UIComponentTag
020 {
021 private static final Logger log = Logger.getLogger(ScanIntentsTag.class);
022
023 public String getComponentType() { return "edu.nrao.sss.ScanIntent"; }
024 public String getRendererType() { return null; }
025
026 private String value = null,
027 valueChangeListener = null,
028 scanMode = null,
029 enabled = null,
030 style = null,
031 styleClass = null;
032
033 @SuppressWarnings("unchecked")
034 protected void setProperties(UIComponent component)
035 {
036 super.setProperties(component);
037
038 FacesContext context = FacesContext.getCurrentInstance();
039 Application app = context.getApplication();
040
041 log.debug("Value is: " + value);
042 if (value != null)
043 {
044 if (isValueReference(value))
045 {
046 ValueBinding vb = app.createValueBinding(value);
047
048 component.setValueBinding("value", vb);
049 }
050
051 else
052 {
053 throw new ReferenceSyntaxException(value + " is not a valid EL expression");
054 }
055 }
056
057
058 if (scanMode != null)
059 {
060 if (isValueReference(scanMode))
061 {
062 ValueBinding vb = app.createValueBinding(scanMode);
063
064 component.setValueBinding("scanMode", vb);
065 }
066
067 else
068 {
069 ScanMode sm = ScanMode.valueOf(scanMode);
070 ((ScanIntentsUIComponent)component).setScanMode(sm);
071 }
072 }
073
074 if (valueChangeListener != null)
075 {
076 Class[] params = new Class[1];
077 params[0] = ValueChangeEvent.class;
078
079 MethodBinding mb = app.createMethodBinding(valueChangeListener, params);
080
081 ((UIInput)component).setValueChangeListener(mb);
082 }
083
084 if (enabled != null)
085 {
086 if (isValueReference(enabled))
087 {
088 ValueBinding vb = app.createValueBinding(enabled);
089
090 component.setValueBinding("enabled", vb);
091 }
092
093 else
094 {
095 ((ScanIntentsUIComponent)component).setEnabled(isTrue(enabled));
096 }
097 }
098
099 if (style != null)
100 {
101 if (isValueReference(style))
102 {
103 ValueBinding vb = app.createValueBinding(style);
104
105 component.setValueBinding("style", vb);
106 }
107
108 else
109 {
110 component.getAttributes().put("style", style);
111 }
112 }
113
114 if (styleClass != null)
115 {
116 if (isValueReference(styleClass))
117 {
118 ValueBinding vb = app.createValueBinding(styleClass);
119
120 component.setValueBinding("styleClass", vb);
121 }
122
123 else
124 {
125 component.getAttributes().put("styleClass", styleClass);
126 }
127 }
128 }
129
130 public void release()
131 {
132 super.release();
133 this.enabled = null;
134 this.value = null;
135 this.style = null;
136 this.styleClass = null;
137 this.scanMode = null;
138 }
139
140 public void setValue(String v)
141 {
142 this.value = v;
143 }
144
145 public void setMode(String m)
146 {
147 this.scanMode = m;
148 }
149
150 public void setValueChangeListener(String l)
151 {
152 this.valueChangeListener = l;
153 }
154
155 public void setEnabled(String e)
156 {
157 this.enabled = e;
158 }
159
160 public void setStyle(String s)
161 {
162 this.style = s;
163 }
164
165 public void setStyleClass(String sc)
166 {
167 this.styleClass = sc;
168 }
169
170 public boolean isTrue(String v)
171 {
172 return ("true".equalsIgnoreCase(v) || "1".equals(v));
173 }
174 }