package net.wotonomy.web;

 import java.text.DecimalFormat;

 import java.text.ParseException;

 import java.text.SimpleDateFormat;

 import net.wotonomy.foundation.NSDictionary;

 import net.wotonomy.foundation.NSMutableArray;

 public abstract class WOInput extends WODynamicElement {

     public WOInput() {

         super();

     }

     public WOInput(String aName, NSDictionary assocs, WOElement template) {

         super(aName, assocs, template);

     }

     protected abstract String inputType();

     protected abstract Object value(WOContext c);

     protected NSMutableArray additionalAttributes() {

         return new NSMutableArray(new Object[]{

             "disabled", "type", "value", "name"

         });

     }

     public String inputName(WOContext c) {

         String x = (String)valueForProperty("name", c.component());

         if (x != null)

             return x;

         return c.elementID();

     }

     protected boolean disabled(WOContext c) {

         return booleanForProperty("disabled", c.component());

     }

     protected void appendExtras(WOResponse r, WOContext c) {

     }

     public void appendToResponse(WOResponse r, WOContext c) {

         r.appendContentString("<INPUT TYPE=\"");

         r.appendContentString(inputType());

         r.appendContentString("\" NAME=\"");

         r.appendContentString(inputName(c));

         r.appendContentString("\" VALUE=\"");

         r.appendContentString(value(c).toString());

         r.appendContentString("\"");

         String moreFields = additionalHTMLProperties(c.component(), additionalAttributes());

         if (moreFields != null && moreFields.length() > 0)

             r.appendContentString(moreFields);

         appendExtras(r, c);

         if (disabled(c)) {

             r.appendContentString(" DISABLED");

         }

         r.appendContentString(">");

     }

     public void takeValuesFromRequest(WORequest r, WOContext c) {

         if (disabled(c))

             return;

         Object val = r.formValueForKey(inputName(c));

         WOAssociation va = (WOAssociation)associations.objectForKey("value");

         if (val != null && va != null && va.isValueSettable())

             setValueForProperty("value", val, c.component());

     }

         /** Formats a value as a date or number. Checks for

          * numberformat or dateformat associations; if one of them

          * exists, the value is formatter using the specified pattern.

          * @param value The value to format.

          * @return The original object, or a date or number if the

          * receiver has a numberformat or dateformat association.

          */

         protected Object formattedValue(Object value, WOComponent c) {

                 //Format the value in case of number

                 String pattern = (String)valueForProperty("numberformat", c);

                 if (pattern != null) {

                         DecimalFormat fmt = new DecimalFormat(pattern);

                         try {

                                 return fmt.parse(value.toString());

                         } catch (ParseException e) {

                                 return value;

                         }

                 }

                 //Format the value in case of date

                 pattern = (String)valueForProperty("dateformat", c);

                 if (pattern != null) {

                         SimpleDateFormat fmt = new SimpleDateFormat(pattern);

                         try {

                                 return fmt.parse(value.toString());

                         } catch (ParseException e) {

                                 return value;

                         }

                 }

                 return value;

         }

 }