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1
5 package org.exoplatform.faces.core.renderer.html;
6
7 import java.io.IOException  ;
8 import java.util.Calendar ;
9 import java.util.Map ;
10 import java.util.ResourceBundle ;
11 import javax.faces.component.UIComponent;
12 import javax.faces.context.FacesContext;
13 import javax.faces.context.ResponseWriter;
14 import org.exoplatform.faces.core.component.UIDateInput;
15 import org.exoplatform.faces.core.component.UISimpleForm;
16
17 public class DateInputRenderer extends HtmlBasicRenderer {
18
19 private static final String DAY_EXTENSION = "_dd";
20
21 private static final String MONTH_EXTENSION = "_mm";
22
23 private static final String YEAR_EXTENSION = "_yyyy";
24
25 public void decode(FacesContext context, UIComponent component) {
26 UIDateInput uiInput = (UIDateInput) component;
27 Calendar cal = uiInput.getCalendar();
28 Map paramMap = context.getExternalContext().getRequestParameterMap();
29 try {
30 String value = (String ) paramMap.get(uiInput.getName() + DAY_EXTENSION);
31 cal.set(Calendar.DAY_OF_MONTH, Integer.parseInt(value));
32 value = (String ) paramMap.get(uiInput.getName() + MONTH_EXTENSION);
33 cal.set(Calendar.MONTH, Integer.parseInt(value));
34 value = (String ) paramMap.get(uiInput.getName() + YEAR_EXTENSION);
35 cal.set(Calendar.YEAR, Integer.parseInt(value));
36 } catch (NumberFormatException ex) {
37 ex.printStackTrace();
38 }
39 }
40
41 public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
42 ResponseWriter w = context.getResponseWriter() ;
43 UIDateInput uiInput = (UIDateInput) component;
44 StringBuffer b = new StringBuffer (200) ;
45 ResourceBundle res = getApplicationResourceBundle(context.getExternalContext());
46 String formName = ((UISimpleForm) uiInput.getParent()).getFormName() ;
47 String name = uiInput.getName() ;
48 renderJavascript(b, uiInput.getName(), formName, res.getLocale().getLanguage());
49 Calendar cal = uiInput.getCalendar();
50 renderField(b, uiInput, name + DAY_EXTENSION,
51 cal.get(Calendar.DAY_OF_MONTH), 1,
52 cal.getActualMaximum(Calendar.DAY_OF_MONTH));
53 renderField(b, uiInput, name + MONTH_EXTENSION,
54 cal.get(Calendar.MONTH), buildMonthArray(res));
55 renderField(b, uiInput, name + YEAR_EXTENSION, cal.get(Calendar.YEAR),
56 uiInput.getMinYearRange(), uiInput.getMaxYearRange());
57 renderImage(b, name);
58 w.write(b.toString()) ;
59 if (uiInput.hasError()) {
60 w.write("<span style='color: red'>*</span>");
61 }
62 }
63
64 private String [] buildMonthArray(ResourceBundle res){
65 String [] months = new String [12];
66 for (int i = 0; i < months.length; i++) {
67 months[i] = res.getString("UIDateInput.month-" + i);
68 }
69 return months;
70 }
71
72 private void renderJavascript(StringBuffer b, String name, String formName, String locale) {
73 b.append("<script language=\"JavaScript\" SRC=\"/skin/js/calendar/calendar.js\">");
74 b.append("</script>");
75 b.append("<script language=\"JavaScript\" SRC=\"/skin/js/calendar/calendar-setup.js\">");
76 b.append("</script>");
77 b.append("<script language=\"JavaScript\" SRC=\"/skin/js/calendar/lang/calendar-").
78 append(locale).append(".js\">");
79 b.append("</script>");
80
81 b.append("<script language='JavaScript'>");
82
83 b.append("var ").append(name).append(
84 "_calendar = new Calendar(false, null,");
85 b.append(name).append("_calendar_onSelect,");
86 b.append(name).append("_calendar_onClose);");
87 b.append(name).append("_calendar.weekNumbers = false;");
88 b.append(name).append("_calendar.firstDayOfWeek = 0;");
89 b.append(name).append("_calendar.setTtDateFormat(\"%A, %B %e, %Y\");");
90 b.append(name).append("_calendar.setRange(2000, 2010);");
91
92 b.append("function setSelectedValue(col, value) {");
93 b.append("for (var i = 0; i < col.length; i++) {");
94 b.append("if (col[i].value == value) {");
95 b.append("col.selectedIndex = i;");
96 b.append("break;");
97 b.append("}}}");
98
99 b.append("function ").append(name).append("_calendar_onClick(id) {");
100 b.append(name).append("_calendar.create();");
101 b.append(name).append("_calendar.setDate(new Date(");
102 b.append("document.").append(formName).append(".");
103 b.append(name).append(YEAR_EXTENSION);
104 b.append(".value, ");
105 b.append("document.").append(formName).append(".");
106 b.append(name).append(MONTH_EXTENSION);
107 b.append(".value, ");
108 b.append("document.").append(formName).append(".");
109 b.append(name).append(DAY_EXTENSION);
110 b.append(".value));");
111 b.append(name).append("_calendar.showAtElement(document.getElementById('");
112 b.append(name);
113 b.append("_calendarImage'), 'br');");
114 b.append("}");
115
116 b.append("function ").append(name).append(
117 "_calendar_onClose(cal) {cal.hide();}");
118
119 b.append("function ").append(name).append("_calendar_onSelect(cal) {");
120 b.append("if (cal.dateClicked) {");
121 b.append("setSelectedValue(");
122 b.append("document.").append(formName).append(".");
123 b.append(name).append(MONTH_EXTENSION).append(",");
124 b.append("cal.date.getMonth());");
125 b.append("setSelectedValue(");
126 b.append("document.").append(formName).append(".");
127 b.append(name).append(DAY_EXTENSION).append(",");
128 b.append("cal.date.getDate());");
129 b.append("setSelectedValue(");
130 b.append("document.").append(formName).append(".");
131 b.append(name).append(YEAR_EXTENSION).append(",");
132 b.append("cal.date.getFullYear());");
133 b.append("cal.callCloseHandler();");
134 b.append("}");
135 b.append("}");
136
137 b.append("</script>");
138 }
139
140 private void renderImage(StringBuffer b, String name) {
141 b.append("<img id=\"");
142 b.append(name);
143 b.append("_calendarImage\" SRC=\"");
144 b.append("/skin/images/calendar/calendar.gif\"");
145 b.append(" onClick=\"").append(name).append("_calendar_onClick('").append(
146 name).append("_calendar');\"/>");
147 }
148
149 private void renderField(StringBuffer b, UIDateInput uiInput, String name,
150 int value, int minRange, int maxRange) {
151 b.append("<select style='width: auto;' name='").append(name).append("'");
152 if (!uiInput.isEditable() || uiInput.isReadonly()) {
153 b.append(" disabled='true'");
154 }
155 if (uiInput.getClazz() != null) {
156 b.append(" class='").append(uiInput.getClazz()).append("'");
157 }
158 b.append(">\n");
159 for (int i = minRange; i <= maxRange; i++) {
160 if (i == value) {
161 b.append("<option selected=\"selected\" value=\"").append(i).append(
162 "\">").append(i).append("</option>\n");
163 } else {
164 b.append("<option value=\"").append(i).append("\">").append(i).append(
165 "</option>\n");
166 }
167 }
168 b.append("</select>\n");
169 }
170
171 private void renderField(StringBuffer b, UIDateInput uiInput, String name,
172 int value, String [] values) {
173 b.append("<select style='width: auto;' name='").append(name).append("'");
174 if (!uiInput.isEditable() || uiInput.isReadonly()) {
175 b.append(" disabled='true'");
176 }
177 if (uiInput.getClazz() != null) {
178 b.append(" class='").append(uiInput.getClazz()).append("'");
179 }
180 b.append(">\n");
181 for (int i = 0; i < values.length; i++) {
182 if (i == value) {
183 b.append("<option selected=\"selected\" value=\"").append(i).append(
184 "\">").append(values[i]).append("</option>\n");
185 } else {
186 b.append("<option value=\"").append(i).append("\">").append(values[i]).append(
187 "</option>\n");
188 }
189 }
190 b.append("</select>\n");
191 }
192
193 public void encodeChildren(FacesContext context, UIComponent component)
194 throws IOException {
195 }
196
197 public void encodeEnd(FacesContext context, UIComponent component)
198 throws IOException {
199
200 }
201 } |
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