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| package org.apache.tapestry.form.translator; |
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| import java.text.DecimalFormat; |
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| import java.text.DecimalFormatSymbols; |
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| import java.text.Format; |
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| import java.util.Locale; |
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| |
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| import org.apache.hivemind.util.PropertyUtils; |
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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.TapestryUtils; |
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| import org.apache.tapestry.form.FormComponentContributorContext; |
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| import org.apache.tapestry.form.IFormComponent; |
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| import org.apache.tapestry.valid.ValidationConstraint; |
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| import org.apache.tapestry.valid.ValidationStrings; |
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| public class NumberTranslator extends FormatTranslator |
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| { |
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| private boolean _omitZero = true; |
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| public NumberTranslator()
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| { |
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| } |
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| protected String formatObject(IFormComponent field, Locale locale, Object object)
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| { |
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| Number number = (Number) object;
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| if (_omitZero)
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| { |
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| if (number.doubleValue() == 0)
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| return "";
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| } |
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| return super.formatObject(field, locale, object);
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| } |
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| public NumberTranslator(String initializer)
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| { |
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| PropertyUtils.configureProperties(this, initializer);
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| } |
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| protected String defaultScript()
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| { |
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| return "/org/apache/tapestry/form/translator/NumberTranslator.js";
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| } |
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| protected String defaultPattern()
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| { |
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| return "#";
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| } |
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| protected Format getFormat(Locale locale)
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| { |
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| return getDecimalFormat(locale);
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| } |
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| public DecimalFormat getDecimalFormat(Locale locale)
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| { |
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| return new DecimalFormat(getPattern(), new DecimalFormatSymbols(locale));
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| } |
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| protected String getMessageKey()
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| { |
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| return ValidationStrings.INVALID_NUMBER;
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| } |
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| protected Object[] getMessageParameters(Locale locale, String label)
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| { |
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| String pattern = getDecimalFormat(locale).toLocalizedPattern();
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| return new Object[]
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| { label, pattern }; |
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| } |
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| public void renderContribution(IMarkupWriter writer, IRequestCycle cycle,
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| FormComponentContributorContext context, IFormComponent field) |
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| { |
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| super.renderContribution(writer, cycle, context, field);
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| String message = TapestryUtils.enquote(buildMessage(context, field, getMessageKey()));
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| context.addSubmitHandler("function(event) { Tapestry.validate_number(event, '"
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| + field.getClientId() + "', " + message + "); }"); |
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| } |
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| protected ValidationConstraint getConstraint()
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| { |
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| return ValidationConstraint.NUMBER_FORMAT;
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| } |
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| public void setOmitZero(boolean omitZero)
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| { |
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| _omitZero = omitZero;
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| } |
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| } |