|
1
16 package org.apache.myfaces.custom.date;
17
18 import java.io.IOException  ;
19 import java.text.DateFormatSymbols ;
20 import java.text.ParseException ;
21 import java.util.Calendar ;
22 import java.util.Locale ;
23 import java.util.Map ;
24
25 import javax.faces.application.FacesMessage;
26 import javax.faces.component.UIComponent;
27 import javax.faces.context.FacesContext;
28 import javax.faces.context.ResponseWriter;
29 import javax.faces.convert.ConverterException;
30
31 import org.apache.myfaces.component.UserRoleUtils;
32 import org.apache.myfaces.custom.calendar.HtmlCalendarRenderer;
33 import org.apache.myfaces.custom.calendar.HtmlCalendarRenderer.CalendarDateTimeConverter;
34 import org.apache.myfaces.custom.date.HtmlInputDate.UserData;
35 import org.apache.myfaces.renderkit.RendererUtils;
36 import org.apache.myfaces.renderkit.html.HTML;
37 import org.apache.myfaces.renderkit.html.HtmlRenderer;
38 import org.apache.myfaces.renderkit.html.HtmlRendererUtils;
39 import org.apache.myfaces.util.MessageUtils;
40
41
89 public class HtmlDateRenderer extends HtmlRenderer {
90
94 public static final String DATE_MESSAGE_ID = "org.apache.myfaces.Date.INVALID";
95
96 private static final String ID_DAY_POSTFIX = ".day";
97 private static final String ID_MONTH_POSTFIX = ".month";
98 private static final String ID_YEAR_POSTFIX = ".year";
99 private static final String ID_HOURS_POSTFIX = ".hours";
100 private static final String ID_MINUTES_POSTFIX = ".minutes";
101 private static final String ID_SECONDS_POSTFIX = ".seconds";
102
103 protected boolean isDisabled(FacesContext facesContext, UIComponent uiComponent) {
104 if( !UserRoleUtils.isEnabledOnUserRole(uiComponent) )
105 return false;
106
107 return ((HtmlInputDate)uiComponent).isDisabled();
108 }
109
110 public void encodeEnd(FacesContext facesContext, UIComponent uiComponent) throws IOException {
111 RendererUtils.checkParamValidity(facesContext, uiComponent, HtmlInputDate.class);
112
113 HtmlInputDate inputDate = (HtmlInputDate) uiComponent;
114 Locale currentLocale = facesContext.getViewRoot().getLocale();
115 UserData userData = (UserData) inputDate.getSubmittedValue();
116 if( userData == null )
117 userData = inputDate.getUserData(currentLocale);
118 String type = inputDate.getType();
119 String clientId = uiComponent.getClientId(facesContext);
120
121 boolean disabled = isDisabled(facesContext, uiComponent);
122
123 ResponseWriter writer = facesContext.getResponseWriter();
124
125 HtmlRendererUtils.writePrettyLineSeparator(facesContext);
126
127 if( ! type.equals("time")){
128 encodeInputDay(uiComponent, writer, clientId, userData, disabled);
129 encodeInputMonth(uiComponent, writer, clientId, userData, currentLocale, disabled);
130 encodeInputYear(uiComponent, writer, clientId, userData, disabled);
131
132 if( inputDate.isPopupCalendar() && ! disabled )
133 encodePopupCalendarButton(facesContext, writer, clientId, currentLocale);
134 }
135 if( type.equals("both") ){
136 writer.write(" ");
137 }
138 if( ! type.equals("date")){
139 encodeInputHours(uiComponent, writer, clientId, userData, disabled);
140 writer.write(":");
141 encodeInputMinutes(uiComponent, writer, clientId, userData, disabled);
142 writer.write(":");
143 encodeInputSeconds(uiComponent, writer, clientId, userData, disabled);
144 }
145 }
146
147 private static void encodeInputField(UIComponent uiComponent, ResponseWriter writer, String id, String value, int size, boolean disabled) throws IOException {
148 writer.startElement(HTML.INPUT_ELEM, uiComponent);
149 HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, HTML.UNIVERSAL_ATTRIBUTES);
150 HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, HTML.EVENT_HANDLER_ATTRIBUTES);
151 HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, HTML.INPUT_ATTRIBUTES);
152
153 if (disabled) {
154 writer.writeAttribute(HTML.DISABLED_ATTR, Boolean.TRUE, null);
155 }
156
157 writer.writeAttribute(HTML.ID_ATTR, id, null);
158 writer.writeAttribute(HTML.NAME_ATTR, id, null);
159 writer.writeAttribute(HTML.SIZE_ATTR, Integer.toString(size), null);
160 writer.writeAttribute(HTML.MAXLENGTH_ATTR, Integer.toString(size), null);
161 if (value != null) {
162 writer.writeAttribute(HTML.VALUE_ATTR, value, null);
163 }
164 writer.endElement(HTML.INPUT_ELEM);
165 }
166
167 private static void encodeInputDay(UIComponent uiComponent, ResponseWriter writer, String clientId, UserData userData, boolean disabled)
168 throws IOException {
169 encodeInputField(uiComponent, writer, clientId + ID_DAY_POSTFIX, userData.getDay(), 2, disabled);
170 }
171
172 private static void encodeInputMonth(UIComponent uiComponent, ResponseWriter writer, String clientId, UserData userData, Locale currentLocale,
173 boolean disabled) throws IOException {
174 writer.startElement(HTML.SELECT_ELEM, uiComponent);
175 writer.writeAttribute(HTML.ID_ATTR, clientId + ID_MONTH_POSTFIX, null);
176 writer.writeAttribute(HTML.NAME_ATTR, clientId + ID_MONTH_POSTFIX, null);
177 writer.writeAttribute(HTML.SIZE_ATTR, "1", null);
178 HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, HTML.UNIVERSAL_ATTRIBUTES);
179 HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, HTML.EVENT_HANDLER_ATTRIBUTES);
180
181 if (disabled) {
182 writer.writeAttribute(HTML.DISABLED_ATTR, Boolean.TRUE, null);
183 }
184
185 int selectedMonth = userData.getMonth() == null ? -1 : Integer.parseInt(userData.getMonth())-1;
186
187 String [] months = HtmlCalendarRenderer.mapMonths(new DateFormatSymbols (currentLocale));
188 for (int i = 0; i < months.length; i++) {
189 String monthName = months[i];
190 String monthNumber = Integer.toString(i+1);
191
192 writer.write("\t\t");
193 writer.startElement(HTML.OPTION_ELEM, null);
194 writer.writeAttribute(HTML.VALUE_ATTR, monthNumber, null);
195
196 if (i == selectedMonth)
197 writer.writeAttribute(HTML.SELECTED_ATTR, HTML.SELECTED_ATTR, null);
198
199 writer.writeText(monthName, null);
200
201 writer.endElement(HTML.OPTION_ELEM);
202 }
203
204 writer.writeText("", null);
206 writer.endElement(HTML.SELECT_ELEM);
207 }
208
209 private static void encodeInputYear(UIComponent uiComponent, ResponseWriter writer, String clientId, UserData userData, boolean disabled) throws IOException {
210 encodeInputField(uiComponent, writer, clientId + ID_YEAR_POSTFIX, userData.getYear(), 4, disabled);
211 }
212
213 private static void encodeInputHours(UIComponent uiComponent, ResponseWriter writer, String clientId, UserData userData, boolean disabled) throws IOException {
214 encodeInputField(uiComponent, writer, clientId + ID_HOURS_POSTFIX, userData.getHours(), 2, disabled);
215 }
216
217 private static void encodeInputMinutes(UIComponent uiComponent, ResponseWriter writer, String clientId, UserData userData, boolean disabled) throws IOException {
218 encodeInputField(uiComponent, writer, clientId + ID_MINUTES_POSTFIX, userData.getMinutes(), 2, disabled);
219 }
220
221 private static void encodeInputSeconds(UIComponent uiComponent, ResponseWriter writer, String clientId, UserData userData, boolean disabled) throws IOException {
222 encodeInputField(uiComponent, writer, clientId + ID_SECONDS_POSTFIX, userData.getSeconds(), 2, disabled);
223 }
224
225 private void encodePopupCalendarButton(FacesContext facesContext, ResponseWriter writer, String clientId, Locale currentLocale) throws IOException {
226 HtmlCalendarRenderer.addScriptAndCSSResources(facesContext);
227
228 DateFormatSymbols symbols = new DateFormatSymbols (currentLocale);
229
230 String localizedLanguageScript = HtmlCalendarRenderer.getLocalizedLanguageScript(
231 symbols,
232 HtmlCalendarRenderer.mapMonths(symbols),
233 Calendar.getInstance(currentLocale).getFirstDayOfWeek(),
234 null);
235
236 writer.startElement(HTML.SCRIPT_ELEM,null);
237 writer.writeAttribute(HTML.SCRIPT_TYPE_ATTR,HTML.SCRIPT_TYPE_TEXT_JAVASCRIPT,null);
238 writer.write(localizedLanguageScript);
239
243 writer.endElement(HTML.SCRIPT_ELEM);
244
245 String dateFormat = CalendarDateTimeConverter.createJSPopupFormat(facesContext, null);
246 writer.write("<input type='button' onclick='jscalendarPopUpCalendarForInputDate(\""+clientId+"\",\""+dateFormat+"\")' value='...'/>");
247 }
248
249 public void decode(FacesContext facesContext, UIComponent uiComponent) {
250 RendererUtils.checkParamValidity(facesContext, uiComponent, HtmlInputDate.class);
251
252 if( isDisabled(facesContext, uiComponent) ) return;
254
255 HtmlInputDate inputDate = (HtmlInputDate) uiComponent;
256 Locale currentLocale = facesContext.getViewRoot().getLocale();
257 UserData userData = (UserData) inputDate.getSubmittedValue();
258 if( userData == null )
259 userData = inputDate.getUserData(currentLocale);
260 String clientId = inputDate.getClientId(facesContext);
261 String type = inputDate.getType();
262 Map requestMap = facesContext.getExternalContext().getRequestParameterMap();
263
264 if( ! type.equals( "time" ) ){
265 userData.setDay( (String ) requestMap.get(clientId + ID_DAY_POSTFIX) );
266 userData.setMonth( (String ) requestMap.get(clientId + ID_MONTH_POSTFIX) );
267 userData.setYear( (String ) requestMap.get(clientId + ID_YEAR_POSTFIX) );
268 }
269
270 if( ! type.equals( "date" ) ){
271 userData.setHours( (String ) requestMap.get(clientId + ID_HOURS_POSTFIX) );
272 userData.setMinutes( (String ) requestMap.get(clientId + ID_MINUTES_POSTFIX) );
273 userData.setSeconds( (String ) requestMap.get(clientId + ID_SECONDS_POSTFIX) );
274 }
275
276 inputDate.setSubmittedValue( userData );
277 }
278
279 public Object getConvertedValue(FacesContext context, UIComponent uiComponent, Object submittedValue) throws ConverterException {
280 UserData userData = (UserData) submittedValue;
281 try {
282 return userData.parse();
283 } catch (ParseException e) {
284 Object [] args = {uiComponent.getId()};
285 throw new ConverterException(MessageUtils.getMessage(FacesMessage.SEVERITY_ERROR, DATE_MESSAGE_ID, args));
286 }
287 }
288 } |
Popular Tags |
Java API By Example, From Geeks To Geeks.