001 package edu.nrao.sss.webapp.faces.component;
002
003 import edu.nrao.sss.measure.TimeOfDayInterval;
004 import edu.nrao.sss.measure.TimeOfDay;
005 import javax.faces.component.UIInput;
006 import javax.faces.context.FacesContext;
007 import javax.faces.context.ResponseWriter;
008 import javax.faces.el.ValueBinding;
009
010 import java.io.IOException;
011 import java.util.Map;
012
013 import org.apache.log4j.Logger;
014
015 /**
016 * <p>Renders a TimeOfDayInterval as a series of 4 input fields roughly like
017 * so:</p>
018 *
019 * <start hour> : <start minute> - <end hour> : <end minute>
020 */
021 public class TimeOfDayIntervalUIComponent extends UIInput
022 {
023 private static final Logger log = Logger.getLogger(TimeOfDayIntervalUIComponent.class);
024
025 private Boolean enabled = null;
026
027 public void encodeBegin(FacesContext context)
028 throws IOException
029 {
030 boolean enabled = isEnabled();
031
032 Map attrs = getAttributes();
033 String disabledTimeStyleClass = (String)attrs.get("disabledTimeStyleClass");
034 String timeStyleClass = (String)attrs.get("timeStyleClass");
035 String timeFieldStyleClass = (String)attrs.get("timeFieldStyleClass");
036
037 ResponseWriter writer = context.getResponseWriter();
038
039 String id = getClientId(context);
040 String sHourId = id + ":shour";
041 String sMinuteId = id + ":sminute";
042 String eHourId = id + ":ehour";
043 String eMinuteId = id + ":eminute";
044
045 TimeOfDayInterval todi = (TimeOfDayInterval)getValue();
046
047 TimeOfDay start = todi.getStart();
048 TimeOfDay end = todi.getEnd();
049
050 int n = start.getHourOfDay();
051 String sHour = ((n >= 10)? "" : "0") + n;
052
053 n = start.getMinuteOfHour();
054 String sMin = ((n >= 10)? "" : "0") + n;
055
056 n = end.getHourOfDay();
057 String eHour = ((n >= 10)? "" : "0") + n;
058
059 n = end.getMinuteOfHour();
060 String eMin = ((n >= 10)? "" : "0") + n;
061
062 //We render one wrapper span around the start and end.
063 writer.startElement("span", this);
064 writer.writeAttribute("id", id, null);
065
066 //Now 4 input fields with 3 separators.
067 if (enabled)
068 {
069 if (timeStyleClass != null && timeStyleClass.length() > 0)
070 writer.writeAttribute("class", timeStyleClass, null);
071
072 writer.startElement("input", this);
073 writer.writeAttribute("type", "text", null);
074 writer.writeAttribute("id", sHourId, null);
075 writer.writeAttribute("name", sHourId, null);
076 writer.writeAttribute("value", sHour, null);
077 writer.writeAttribute("size", 2, null);
078 writer.writeAttribute("maxlength", 2, null);
079 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
080 writer.writeAttribute("class", timeFieldStyleClass, null);
081 writer.writeAttribute("onblur", "iceSubmitPartial(form, this, event); return false;", null);
082 writer.endElement("input");
083
084 writer.write(":");
085
086 writer.startElement("input", this);
087 writer.writeAttribute("type", "text", null);
088 writer.writeAttribute("id", sMinuteId, null);
089 writer.writeAttribute("name", sMinuteId, null);
090 writer.writeAttribute("value", sMin, null);
091 writer.writeAttribute("size", 2, null);
092 writer.writeAttribute("maxlength", 2, null);
093 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
094 writer.writeAttribute("class", timeFieldStyleClass, null);
095 writer.writeAttribute("onblur", "iceSubmitPartial(form, this, event); return false;", null);
096 writer.endElement("input");
097
098 writer.write("-");
099
100 writer.startElement("input", this);
101 writer.writeAttribute("type", "text", null);
102 writer.writeAttribute("id", eHourId, null);
103 writer.writeAttribute("name", eHourId, null);
104 writer.writeAttribute("value", eHour, null);
105 writer.writeAttribute("size", 2, null);
106 writer.writeAttribute("maxlength", 2, null);
107 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
108 writer.writeAttribute("class", timeFieldStyleClass, null);
109 writer.writeAttribute("onblur", "iceSubmitPartial(form, this, event); return false;", null);
110 writer.endElement("input");
111
112 writer.write(":");
113
114 writer.startElement("input", this);
115 writer.writeAttribute("type", "text", null);
116 writer.writeAttribute("id", eMinuteId, null);
117 writer.writeAttribute("name", eMinuteId, null);
118 writer.writeAttribute("value", eMin, null);
119 writer.writeAttribute("size", 2, null);
120 writer.writeAttribute("maxlength", 2, null);
121 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
122 writer.writeAttribute("class", timeFieldStyleClass, null);
123 writer.writeAttribute("onblur", "iceSubmitPartial(form, this, event); return false;", null);
124 writer.endElement("input");
125 }
126
127 else
128 {
129 if (disabledTimeStyleClass != null && disabledTimeStyleClass.length() > 0)
130 writer.writeAttribute("class", disabledTimeStyleClass, null);
131
132 writer.startElement("span", this);
133 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
134 writer.writeAttribute("class", timeFieldStyleClass, null);
135 writer.write(sHour);
136 writer.endElement("span");
137
138 writer.write(":");
139
140 writer.startElement("span", this);
141 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
142 writer.writeAttribute("class", timeFieldStyleClass, null);
143 writer.write(sMin);
144 writer.endElement("span");
145
146 writer.write("-");
147
148 writer.startElement("span", this);
149 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
150 writer.writeAttribute("class", timeFieldStyleClass, null);
151 writer.write(eHour);
152 writer.endElement("span");
153
154 writer.write(":");
155
156 writer.startElement("span", this);
157 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
158 writer.writeAttribute("class", timeFieldStyleClass, null);
159 writer.write(eMin);
160 writer.endElement("span");
161 }
162
163 writer.endElement("span");
164 }
165
166 public void decode(FacesContext context)
167 {
168 String id = getClientId(context);
169 String sHourId = id + ":shour";
170 String sMinuteId = id + ":sminute";
171 String eHourId = id + ":ehour";
172 String eMinuteId = id + ":eminute";
173
174 Map parms = context.getExternalContext().getRequestParameterMap();
175
176 String sHour = (String)parms.get(sHourId);
177 String sMin = (String)parms.get(sMinuteId);
178 String eHour = (String)parms.get(eHourId);
179 String eMin = (String)parms.get(eMinuteId);
180
181
182 if (sHour == null || sMin == null || eHour == null || eMin == null)
183 {
184 log.warn("Someone's param was null!\n" +
185 "sHour '" + sHour + "'\n" +
186 "sMin '" + sMin + "'\n" +
187 "eHour '" + eHour + "'\n" +
188 "eMin '" + eMin + "'"
189 );
190 setSubmittedValue(null);
191 }
192
193 else
194 {
195 StringBuilder todi = new StringBuilder(sHour);
196 todi.append(":");
197 todi.append(sMin);
198 todi.append("-");
199 todi.append(eHour);
200 todi.append(":");
201 todi.append(eMin);
202
203 setValid(true);
204 setSubmittedValue(todi.toString());
205 }
206 }
207
208 public Object saveState(FacesContext context)
209 {
210 Object[] state = new Object[2];
211 state[0] = super.saveState(context);
212 state[1] = this.enabled;
213
214 return state;
215 }
216
217 public void restoreState(FacesContext context, Object state)
218 {
219 Object[] myState = (Object[])state;
220 super.restoreState(context, myState[0]);
221 setEnabled((Boolean)myState[1]);
222 }
223
224 public Boolean isEnabled()
225 {
226 if (this.enabled != null)
227 return this.enabled;
228
229 ValueBinding vb = getValueBinding("enabled");
230 if (vb != null)
231 {
232 Object val = vb.getValue(getFacesContext());
233
234 if (val instanceof Boolean && val != null)
235 return (Boolean)val;
236 }
237
238 //else
239 return Boolean.TRUE;
240 }
241
242 public void setEnabled(Boolean e)
243 {
244 this.enabled = e;
245 }
246
247
248 /** Overridden to be empty. */
249 public void encodeEnd(FacesContext context) throws IOException {}
250
251 /** Overridden to be empty. */
252 public void encodeChildren(FacesContext context) throws IOException {}
253 }