package com.gitblit.wicket;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Locale;
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import org.apache.wicket.Session;
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import org.apache.wicket.markup.html.form.TextField;
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import org.apache.wicket.markup.html.form.AbstractTextComponent.ITextFormatProvider;
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import org.apache.wicket.model.IModel;
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import org.apache.wicket.util.convert.IConverter;
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import org.apache.wicket.util.convert.converters.DateConverter;
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public class Html5DateField extends TextField<Date> implements ITextFormatProvider {
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private static final long serialVersionUID = 1L;
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private static final String DEFAULT_PATTERN = "MM/dd/yyyy";
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private String datePattern = null;
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private IConverter converter = null;
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/**
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* Creates a new Html5DateField, without a specified pattern. This is the same as calling
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* <code>new Html5DateField(id, Date.class)</code>
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*
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* @param id
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* The id of the date field
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*/
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public Html5DateField(String id)
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{
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this(id, null, defaultDatePattern());
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}
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/**
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* Creates a new Html5DateField, without a specified pattern. This is the same as calling
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* <code>new Html5DateField(id, object, Date.class)</code>
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*
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* @param id
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* The id of the date field
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* @param model
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* The model
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*/
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public Html5DateField(String id, IModel<Date> model)
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{
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this(id, model, defaultDatePattern());
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}
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/**
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* Creates a new Html5DateField bound with a specific <code>SimpleDateFormat</code> pattern.
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*
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* @param id
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* The id of the date field
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* @param datePattern
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* A <code>SimpleDateFormat</code> pattern
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*
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*/
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public Html5DateField(String id, String datePattern)
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{
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this(id, null, datePattern);
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}
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/**
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* Creates a new DateTextField bound with a specific <code>SimpleDateFormat</code> pattern.
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*
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* @param id
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* The id of the date field
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* @param model
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* The model
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* @param datePattern
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* A <code>SimpleDateFormat</code> pattern
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*/
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public Html5DateField(String id, IModel<Date> model, String datePattern)
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{
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super(id, model, Date.class);
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this.datePattern = datePattern;
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converter = new DateConverter()
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{
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private static final long serialVersionUID = 1L;
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/**
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* @see org.apache.wicket.util.convert.converters.DateConverter#getDateFormat(java.util.Locale)
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*/
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@Override
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public DateFormat getDateFormat(Locale locale)
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{
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if (locale == null)
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{
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locale = Locale.getDefault();
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}
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return new SimpleDateFormat(Html5DateField.this.datePattern, locale);
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}
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};
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}
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/**
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* Returns the default converter if created without pattern; otherwise it returns a
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* pattern-specific converter.
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*
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* @param type
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* The type for which the converter should work
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*
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* @return A pattern-specific converter
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*/
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@Override
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public IConverter getConverter(Class<?> type)
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{
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if (converter == null)
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{
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return super.getConverter(type);
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}
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else
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{
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return converter;
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}
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}
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/**
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* Returns the date pattern.
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*
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* @see org.apache.wicket.markup.html.form.AbstractTextComponent.ITextFormatProvider#getTextFormat()
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*/
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public String getTextFormat()
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{
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return datePattern;
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}
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/**
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* Try to get datePattern from user session locale. If it is not possible, it will return
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* {@link #DEFAULT_PATTERN}
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*
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* @return date pattern
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*/
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private static String defaultDatePattern()
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{
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Locale locale = Session.get().getLocale();
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if (locale != null)
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{
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DateFormat format = DateFormat.getDateInstance(DateFormat.SHORT, locale);
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if (format instanceof SimpleDateFormat)
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{
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return ((SimpleDateFormat)format).toPattern();
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}
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}
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return DEFAULT_PATTERN;
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}
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@Override
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protected String getInputType()
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{
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return "date";
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}
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}
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