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 import org.apache.log4j.Logger;
014
015 import edu.nrao.sss.webapp.faces.component.TimeDurationUIComponent;
016
017 public class TimeDurationTag extends UIComponentTag
018 {
019 private static final Logger log = Logger.getLogger(TimeDurationTag.class);
020
021 public String getComponentType() { return "edu.nrao.sss.TimeDuration"; }
022 public String getRendererType() { return null; }
023
024 private String value = null,
025 valueChangeListener = null,
026 enabled = null,
027 showUnits = null,
028 units = null,
029 style = null,
030 styleClass = null;
031
032 @SuppressWarnings("unchecked")
033 protected void setProperties(UIComponent component)
034 {
035 super.setProperties(component);
036
037 FacesContext context = FacesContext.getCurrentInstance();
038 Application app = context.getApplication();
039
040 log.debug("Value is: " + value);
041 if (value != null)
042 {
043 if (isValueReference(value))
044 {
045 ValueBinding vb = app.createValueBinding(value);
046
047 component.setValueBinding("value", vb);
048 }
049
050 else
051 {
052 throw new ReferenceSyntaxException(value + " is not a valid EL expression");
053 }
054 }
055
056 if (valueChangeListener != null)
057 {
058 Class[] params = new Class[1];
059 params[0] = ValueChangeEvent.class;
060
061 MethodBinding mb = app.createMethodBinding(valueChangeListener, params);
062
063 ((UIInput)component).setValueChangeListener(mb);
064 }
065
066 if (enabled != null)
067 {
068 if (isValueReference(enabled))
069 {
070 ValueBinding vb = app.createValueBinding(enabled);
071
072 component.setValueBinding("enabled", vb);
073 }
074
075 else
076 {
077 ((TimeDurationUIComponent)component).setEnabled(isTrue(enabled));
078 }
079 }
080
081 if (showUnits != null)
082 {
083 if (isValueReference(showUnits))
084 {
085 ValueBinding vb = app.createValueBinding(showUnits);
086
087 component.setValueBinding("showUnits", vb);
088 }
089
090 else
091 {
092 ((TimeDurationUIComponent)component).setShowUnits(isTrue(showUnits));
093 }
094 }
095
096 if (units != null)
097 {
098 if (isValueReference(units))
099 {
100 ValueBinding vb = app.createValueBinding(units);
101
102 component.setValueBinding("units", vb);
103 }
104
105 else
106 {
107 throw new ReferenceSyntaxException(value + " is not a valid EL expression");
108 }
109 }
110
111 if (style != null)
112 {
113 if (isValueReference(style))
114 {
115 ValueBinding vb = app.createValueBinding(style);
116
117 component.setValueBinding("style", vb);
118 }
119
120 else
121 {
122 component.getAttributes().put("style", style);
123 }
124 }
125
126 if (styleClass != null)
127 {
128 if (isValueReference(styleClass))
129 {
130 ValueBinding vb = app.createValueBinding(styleClass);
131
132 component.setValueBinding("styleClass", vb);
133 }
134
135 else
136 {
137 component.getAttributes().put("styleClass", styleClass);
138 }
139 }
140 }
141
142 public void release()
143 {
144 super.release();
145 value = null;
146 enabled = null;
147 showUnits = null;
148 units = null;
149 style = null;
150 styleClass = null;
151 }
152
153 public void setValue(String v)
154 {
155 this.value = v;
156 }
157
158 public void setValueChangeListener(String l)
159 {
160 this.valueChangeListener = l;
161 }
162
163 public void setEnabled(String e)
164 {
165 this.enabled = e;
166 }
167
168 public void setShowUnits(String su)
169 {
170 this.showUnits = su;
171 }
172
173 public void setUnits(String u)
174 {
175 this.units = u;
176 }
177
178 public void setStyle(String s)
179 {
180 this.style = s;
181 }
182
183 public void setStyleClass(String sc)
184 {
185 this.styleClass = sc;
186 }
187
188 public boolean isTrue(String v)
189 {
190 return ("true".equalsIgnoreCase(v) || "1".equals(v));
191 }
192 }