Donate.java

package com.rectang.xsm.types;

import com.rectang.xsm.doc.DocList;
import com.rectang.xsm.doc.DocElement;
import com.rectang.xsm.doc.DocWidget;
import com.rectang.xsm.doc.SupportedOption;
import com.rectang.xsm.widget.TextArea;
import org.jdom.Element;
import org.apache.wicket.markup.html.WebMarkupContainer;

import java.util.Vector;
import java.util.List;

public class Donate
        extends DocList
{

    public static final SupportedOption CURRENCY_CODE = new SupportedOption(
            "CURRENCY_CODE", "The currency code for your paypal account, i.e.GBP, EUR or USD", "GBP" );
    public static final SupportedOption COUNTRY_CODE = new SupportedOption(
            "COUNTRY_CODE", "The country code for your paypal account, i.e.GB, FR or US", "GB" );

    private Vector options;

    public Donate( String name )
    {
        super( name, new DocElement[]{new com.rectang.xsm.widget.String( "account" ),
                new com.rectang.xsm.widget.String( "name" ),
                new com.rectang.xsm.widget.String( "amount" ),
                new TextArea( "header" ), new TextArea( "footer" )} );
        ((DocWidget) elements[3]).setProperty( "rows", "6" );
        ((DocWidget) elements[4]).setProperty( "rows", "6" );

        options = new Vector();
        options.add( CURRENCY_CODE );
        options.add( COUNTRY_CODE );
    }

    public List getSupportedOptions()
    {
        Vector ret = new Vector();
        ret.addAll( options );
        for ( int i = 0; i < elements.length; i++ )
        {
            ret.addAll( elements[i].getSupportedOptions() );
        }
        return ret;
    }

    public void view( Element root, StringBuffer s )
    {
        elements[3].view( root.getChild( "header" ), s );

        s.append( "<h4>Donation form \"" );
        elements[1].view( root.getChild( "name" ), s );
        s.append( "\" (to " );
        elements[0].view( root.getChild( "account" ), s );
        s.append( ") will be published here.</h4>\n" );
        elements[4].view( root.getChild( "footer" ), s );
    }

    public WebMarkupContainer edit( String wicketId, Element node, String path )
    {
        return super.edit( wicketId, node, path, "The header text appears before the donation form and the footer text after" );
    }

    public void publish( Element root, StringBuffer s )
    {
        elements[3].publish( root.getChild( "header" ), s );

        s.append( "<form action=\"https://www.paypal.com/cgi-bin/webscr\" method=\"post\">\n" );
        s.append( "  <input type=\"hidden\" name=\"cmd\" value=\"_xclick\" />\n" );

        s.append( "  <input type=\"hidden\" name=\"business\" value=\"" );
        elements[0].publish( root.getChild( "account" ), s );
        s.append( "\" />\n" );

        s.append( "  <input type=\"hidden\" name=\"item_name\" value=\"" );
        elements[1].publish( root.getChild( "name" ), s );
        s.append( "\" />\n" );

        s.append( "  <input type=\"hidden\" name=\"buyer_credit_promo_code\" value=\"\" />\n" );
        s.append( "  <input type=\"hidden\" name=\"buyer_credit_product_category\" value=\"\" />\n" );
        s.append( "  <input type=\"hidden\" name=\"buyer_credit_shipping_method\" value=\"\" />\n" );
        s.append( "  <input type=\"hidden\" name=\"buyer_credit_user_address_change\" value=\"\" />\n" );
        s.append( "  <input type=\"hidden\" name=\"no_shipping\" value=\"1\" />\n" );
        s.append( "  <textarea name=\"cn\" rows=\"7\" cols=\"50\">Donation description</textarea><br />\n" );

        s.append( "  <input type=\"hidden\" name=\"currency_code\" value=\"" );
        s.append( CURRENCY_CODE.getString( getDoc() ) );
        s.append( "\" />\n" );

        s.append( "  <input type=\"hidden\" name=\"lc\" value=\"" );
        s.append( COUNTRY_CODE.getString( getDoc() ) );
        s.append( "\" />\n" );

        s.append( "  <input type=\"hidden\" name=\"tax\" value=\"0\" />\n" );
        s.append( "  <input type=\"hidden\" name=\"bn\" value=\"PP-DonationsBF\" />\n" );
        s.append( "  <input type=\"text\" name=\"amount\" size=\"15\" value=\"" );
        elements[2].publish( root.getChild( "amount" ), s );
        s.append( "\"/>" );
        s.append( CURRENCY_CODE.getString( getDoc() ) );
        s.append( "<br />\n" );
        s.append( "  <input type=\"image\" src=\"https://www.paypal.com/en_US/i/btn/x-click-but21.gif\" border=\"0\" name=\"submit\" alt=\"Make payments with PayPal - it's fast, free and secure!\" />\n" );
        s.append( "  <img alt=\"\" border=\"0\" src=\"https://www.paypal.com/en_GB/i/scr/pixel.gif\" width=\"1\" height=\"1\" />\n" );
        s.append( "</form>\n" );

        elements[4].publish( root.getChild( "footer" ), s );
    }
}