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1
24 package org.riotfamily.forms.element;
25
26 import java.net.URL  ;
27 import java.text.DateFormat ;
28 import java.text.ParseException ;
29 import java.text.SimpleDateFormat ;
30 import java.util.Date ;
31 import java.util.regex.Matcher ;
32 import java.util.regex.Pattern ;
33
34 import org.riotfamily.common.util.FormatUtils;
35 import org.riotfamily.forms.DHTMLElement;
36 import org.riotfamily.forms.ErrorUtils;
37 import org.riotfamily.forms.MessageUtils;
38 import org.riotfamily.forms.TemplateUtils;
39 import org.riotfamily.forms.resource.FormResource;
40 import org.riotfamily.forms.resource.ResourceElement;
41 import org.riotfamily.forms.resource.ScriptResource;
42 import org.riotfamily.forms.resource.StylesheetResource;
43 import org.springframework.beans.propertyeditors.CustomDateEditor;
44 import org.springframework.util.StringUtils;
45
46
50 public class Calendar extends AbstractTextElement implements ResourceElement,
51 DHTMLElement {
52
53
57 private static String [] conversions = new String [] {
58 "'(.)", "$1",
59 "%", "%%",
60 "(?<!%)MMMM", "%B",
61 "(?<!%)MMM", "%b",
62 "(?<!%)MM?", "%m",
63 "(?<!%)dd", "%d",
64 "(?<!%)d", "%e",
65 "(?<!%)yyyy", "%Y",
66 "(?<!%)yy", "%y",
67 "(?<!%)hh", "%I",
68 "(?<!%)h", "%i",
69 "(?<!%)HH", "%H",
70 "(?<!%)H", "%h",
71 "(?<!%)mm?", "%M",
72 "(?<!%)ss?", "%S",
73 "(?<!%)EE?", "%a",
74 "(?<!%)w", "%W",
75 "(?<!%)a", "%P"};
76
77
78 private static Pattern [] patterns;
79
80 static {
81 patterns = new Pattern [conversions.length / 2];
82 for (int i = 0; i < patterns.length; i++) {
83 patterns[i] = Pattern.compile(conversions[i * 2]);
84 }
85 }
86
87 private String formatPattern = "yyyy-MM-dd";
88
89 private String formatKey;
90
91 private String defaultValue;
92
93 private String jsFormatPattern;
94
95 private DateFormat dateFormat;
96
97 private ScriptResource resource;
98
99
100 public Calendar() {
101 setStyleClass("text calendar-input");
102 }
103
104 public String getFormatPattern() {
105 return formatPattern;
106 }
107
108
112 public void setFormatPattern(String formatPattern) {
113 this.formatPattern = formatPattern;
114 }
115
116 public String getJsFormatPattern() {
117 return jsFormatPattern;
118 }
119
120
123 public void setFormatKey(String formatKey) {
124 this.formatKey = formatKey;
125 }
126
127 public void setDefaultValue(String defaultValue) {
128 this.defaultValue = defaultValue;
129 }
130
131 protected void afterFormSet() {
132 if (formatKey != null) {
133 formatPattern = MessageUtils.getMessage(this, formatKey);
134 }
135 jsFormatPattern = formatPattern;
136 for (int i = 0; i < patterns.length; i++) {
137 Matcher matcher = patterns[i].matcher(jsFormatPattern);
138 jsFormatPattern = matcher.replaceAll(conversions[i * 2 + 1]);
139 }
140 dateFormat = new SimpleDateFormat (formatPattern);
141 setPropertyEditor(new CustomDateEditor(dateFormat, false));
142 }
143
144 public boolean isShowTime() {
145 return formatPattern != null && (formatPattern.indexOf('H') != -1 ||
146 formatPattern.indexOf('h') != -1);
147 }
148
149 public void setValue(Object value) {
150 if (value == null && defaultValue != null) {
151 value = getDefaultDate();
152 }
153 super.setValue(value);
154 }
155
156 protected void validate(boolean formSubmitted) {
157 super.validate(formSubmitted);
158 if (StringUtils.hasText(getText())) {
159 try {
160 dateFormat.parse(getText());
161 }
162 catch (ParseException e) {
163 ErrorUtils.reject(this, "error.calendar.invalidDateFormat");
164 }
165 }
166 }
167
168 protected void afterFormContextSet() {
169 String lang = getFormContext().getLocale().getLanguage().toLowerCase();
170 URL languageScript = getClass().getResource(
171 "/org/riotfamily/resources/jscalendar/lang/calendar-"
172 + lang + ".js");
173
174 if (languageScript == null) {
175 lang = "en";
176 }
177
178 resource = new ScriptResource("jscalendar/calendar-setup.js", "Calendar.setup", new FormResource[] {
179 new ScriptResource("jscalendar/lang/calendar-" + lang + ".js", "Calendar._DN",
180 new ScriptResource("jscalendar/calendar.js", "Calendar")
181 ),
182 new StylesheetResource("jscalendar/calendar.css")
183 });
184 }
185
186 public FormResource getResource() {
187 return resource;
188 }
189
190 public String getInitScript() {
191 return TemplateUtils.getInitScript(this);
192 }
193
194 protected Date getDefaultDate() {
195 Date date = FormatUtils.parseDate(defaultValue);
196 if (date == null) {
197 try {
198 date = dateFormat.parse(defaultValue);
199 }
200 catch (ParseException e) {
201 }
202 }
203 return date;
204 }
205 }
206 |
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