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package org.apache.tapestry.form; |
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import java.text.DateFormatSymbols; |
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import java.text.SimpleDateFormat; |
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import java.util.Calendar; |
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import java.util.Date; |
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import java.util.HashMap; |
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import java.util.Locale; |
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import java.util.Map; |
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import org.apache.tapestry.IAsset; |
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import org.apache.tapestry.IMarkupWriter; |
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import org.apache.tapestry.IRequestCycle; |
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import org.apache.tapestry.IScript; |
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import org.apache.tapestry.PageRenderSupport; |
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import org.apache.tapestry.TapestryUtils; |
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import org.apache.tapestry.form.translator.DateTranslator; |
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import org.apache.tapestry.valid.ValidatorException; |
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48 | 0 | public abstract class DatePicker extends AbstractFormComponent implements TranslatedField |
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{ |
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private static final String SYM_NAME = "name"; |
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private static final String SYM_FORMNAME = "formName"; |
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private static final String SYM_MONTHNAMES = "monthNames"; |
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private static final String SYM_SHORT_MONTHNAMES = "shortMonthNames"; |
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private static final String SYM_WEEKDAYNAMES = "weekDayNames"; |
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private static final String SYM_SHORT_WEEKDAYNAMES = "shortWeekDayNames"; |
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private static final String SYM_FIRSTDAYINWEEK = "firstDayInWeek"; |
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private static final String SYM_MINDAYSINFIRSTWEEK = "minimalDaysInFirstWeek"; |
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private static final String SYM_FORMAT = "format"; |
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private static final String SYM_INCL_WEEK = "includeWeek"; |
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private static final String SYM_CLEAR_BUTTON_LABEL = "clearButtonLabel"; |
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private static final String SYM_VALUE = "value"; |
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private static final String SYM_BUTTONONCLICKHANDLER = "buttonOnclickHandler"; |
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public abstract Date getValue(); |
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public abstract void setValue(Date value); |
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public abstract boolean isDisabled(); |
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public abstract boolean getIncludeWeek(); |
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public abstract IAsset getIcon(); |
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public abstract String getImageClass(); |
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public abstract String getTitle(); |
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public abstract IScript getScript(); |
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protected void renderFormComponent(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
106 | 0 | PageRenderSupport pageRenderSupport = TapestryUtils.getPageRenderSupport(cycle, this); |
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108 | 0 | boolean disabled = isDisabled(); |
109 | 0 | DateTranslator translator = (DateTranslator) getTranslator(); |
110 | 0 | Locale locale = getPage().getLocale(); |
111 | 0 | SimpleDateFormat format = translator.getDateFormat(locale); |
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113 | 0 | DateFormatSymbols dfs = format.getDateFormatSymbols(); |
114 | 0 | Calendar cal = Calendar.getInstance(locale); |
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116 | 0 | String name = getName(); |
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118 | 0 | String title = getTitle(); |
119 | 0 | if (title == null) |
120 | 0 | title = format.toLocalizedPattern(); |
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122 | 0 | String value = getTranslatedFieldSupport().format(this, getValue()); |
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124 | 0 | Map symbols = new HashMap(); |
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126 | 0 | symbols.put(SYM_NAME, name); |
127 | 0 | symbols.put(SYM_FORMAT, format.toPattern()); |
128 | 0 | symbols.put(SYM_INCL_WEEK, getIncludeWeek() ? Boolean.TRUE : Boolean.FALSE); |
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130 | 0 | symbols.put(SYM_MONTHNAMES, makeStringList(dfs.getMonths(), 0, 12)); |
131 | 0 | symbols.put(SYM_SHORT_MONTHNAMES, makeStringList(dfs.getShortMonths(), 0, 12)); |
132 | 0 | symbols.put(SYM_WEEKDAYNAMES, makeStringList(dfs.getWeekdays(), 1, 8)); |
133 | 0 | symbols.put(SYM_SHORT_WEEKDAYNAMES, makeStringList(dfs.getShortWeekdays(), 1, 8)); |
134 | 0 | symbols.put(SYM_FIRSTDAYINWEEK, new Integer(cal.getFirstDayOfWeek() - 1)); |
135 | 0 | symbols.put(SYM_MINDAYSINFIRSTWEEK, new Integer(cal.getMinimalDaysInFirstWeek())); |
136 | 0 | symbols.put(SYM_CLEAR_BUTTON_LABEL, getMessages().getMessage("clear")); |
137 | 0 | symbols.put(SYM_FORMNAME, getForm().getName()); |
138 | 0 | symbols.put(SYM_VALUE, getValue()); |
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140 | 0 | getScript().execute(this, cycle, pageRenderSupport, symbols); |
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142 | 0 | renderDelegatePrefix(writer, cycle); |
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144 | 0 | writer.beginEmpty("input"); |
145 | 0 | writer.attribute("type", "text"); |
146 | 0 | writer.attribute("name", name); |
147 | 0 | writer.attribute("value", value); |
148 | 0 | writer.attribute("title", title); |
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150 | 0 | if (disabled) |
151 | 0 | writer.attribute("disabled", "disabled"); |
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153 | 0 | renderIdAttribute(writer, cycle); |
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155 | 0 | renderDelegateAttributes(writer, cycle); |
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157 | 0 | getTranslatedFieldSupport().renderContributions(this, writer, cycle); |
158 | 0 | getValidatableFieldSupport().renderContributions(this, writer, cycle); |
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160 | 0 | renderInformalParameters(writer, cycle); |
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162 | 0 | writer.printRaw(" "); |
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164 | 0 | if (!disabled) |
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{ |
166 | 0 | writer.begin("a"); |
167 | 0 | writer.attribute("href", (String) symbols.get(SYM_BUTTONONCLICKHANDLER)); |
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} |
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170 | 0 | IAsset icon = getIcon(); |
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172 | 0 | writer.beginEmpty("img"); |
173 | 0 | writer.attribute("src", icon.buildURL()); |
174 | 0 | writer.attribute("alt", getMessages().getMessage("alt")); |
175 | 0 | writer.attribute("border", 0); |
176 | 0 | writer.attribute("class", getImageClass()); |
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178 | 0 | if (!disabled) |
179 | 0 | writer.end(); |
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181 | 0 | renderDelegateSuffix(writer, cycle); |
182 | 0 | } |
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protected void rewindFormComponent(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
190 | 0 | String value = cycle.getParameter(getName()); |
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try |
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{ |
194 | 0 | Date date = (Date) getTranslatedFieldSupport().parse(this, value); |
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196 | 0 | getValidatableFieldSupport().validate(this, writer, cycle, date); |
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198 | 0 | setValue(date); |
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} |
200 | 0 | catch (ValidatorException e) |
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{ |
202 | 0 | getForm().getDelegate().record(e); |
203 | 0 | } |
204 | 0 | } |
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private String makeStringList(String[] a, int offset, int length) |
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{ |
211 | 0 | StringBuffer b = new StringBuffer(); |
212 | 0 | for (int i = offset; i < length; i++) |
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{ |
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216 | 0 | b.append('"'); |
217 | 0 | char[] ch = a[i].toCharArray(); |
218 | 0 | for (int j = 0; j < ch.length; j++) |
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{ |
220 | 0 | if (ch[j] < 128) |
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{ |
222 | 0 | b.append(ch[j]); |
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} |
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else |
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{ |
226 | 0 | b.append(escape(ch[j])); |
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} |
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} |
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230 | 0 | b.append('"'); |
231 | 0 | if (i < length - 1) |
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{ |
233 | 0 | b.append(", "); |
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} |
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} |
236 | 0 | return b.toString(); |
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} |
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private static String escape(char c) |
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{ |
248 | 0 | char unescapedChar = c; |
249 | 0 | StringBuffer b = new StringBuffer(); |
250 | 0 | for (int i = 0; i < 4; i++) |
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{ |
252 | 0 | b.append(Integer.toHexString(unescapedChar & 0x000F).toUpperCase()); |
253 | 0 | unescapedChar >>>= 4; |
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} |
255 | 0 | b.append("u\\"); |
256 | 0 | return b.reverse().toString(); |
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} |
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public abstract ValidatableFieldSupport getValidatableFieldSupport(); |
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public abstract TranslatedFieldSupport getTranslatedFieldSupport(); |
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public boolean isRequired() |
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{ |
274 | 0 | return getValidatableFieldSupport().isRequired(this); |
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} |
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} |