<!-- 
"This sample program is provided AS IS and may be used, executed, copied and modified without
royalty payment by customer (a) for its own instruction and study, (b) in order to develop 
applications designed to run with an IBM WebSphere product, either for customer's own 
internal use or for redistribution by customer, as part of such an application, in customer's own products."

Product 5655-FLW,  (C) COPYRIGHT International Business Machines Corp., 2005, 2008
All Rights Reserved * Licensed Materials - Property of IBM
-->

<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ page import="java.util.*"; %>
<%@ page import="commonj.sdo.DataObject"; %>

<!-- ************************************************************************ -->
<!--  NOTES:                                                                  -->
<!--     this JSP page produces a HTML fragment                               -->
<!--     the fragment is intended to be embedded in pages of the BPC Explorer -->
<!-- ************************************************************************ -->

<!-- global try{} - catch(...) block -->
<%try { %>


<!-- ********************************************************************************** -->
<!-- Read input and output data (input data is  passed from the input jsp to this jsp   -->
<!-- ********************************************************************************** -->
<%
String[] prices   = {"0.0"};      // default extra charge 
String[] freebies = {"Calendar"}; // default gift, if no or empty gift lift is passed to the task 

// *******************************************************************************
// Get the message map from the session
// The message map has been put into the session in the input jsp
// *******************************************************************************
Map inputData = (Map)session.getAttribute("inputData");

if( inputData != null)
{
	// ****************************************************************************************
	// determine the size of the promotional gift list
	// Note: the data have been transported from the input jsp to this jsp
	//       the data values in the map are stored in the form (String, String), where
	//           - the first string is a path expression
	//           - the second string represents the value
	// ****************************************************************************************
	
	// ****************************************************************************************
	// starting with WPS version 6.1, the first array element has the index 1.
	// To make this code version independent, check whether index 0 exists (older version).
	// Then memorize the index oif the first element.
	// ****************************************************************************************
	
	int indexOfFirstElement = 0;
	String key = "/selectPromotionalGiftRequest/promotionalGiftList[" + indexOfFirstElement + "]/description";
    if ( inputData.containsKey(key) == false ) indexOfFirstElement = 1;

	int size = 0;
	key = "/selectPromotionalGiftRequest/promotionalGiftList[" + (size+indexOfFirstElement) + "]/description";
			
	while ( inputData.containsKey(key) )
    {
	    size++;
	    key = "/selectPromotionalGiftRequest/promotionalGiftList[" + (size+indexOfFirstElement) + "]/description";    
	}
	
	// **************************************************************************************************************
	// When the size of the promotional gift list has been determined the values are stored in arrays.
    // These arrays are used to initialize a javascript variable and a HTML dropdown list
	// **************************************************************************************************************
	if(size > 0)
	{
	    prices = new String[size];
	    freebies = new String[size];
	    
	    for(int i = 0 ; i < size; i++)
	    {
	        String priceKey   = "/selectPromotionalGiftRequest/promotionalGiftList[" + (i+indexOfFirstElement) + "]/extraCharge";
	        String freebieKey = "/selectPromotionalGiftRequest/promotionalGiftList[" + (i+indexOfFirstElement) + "]/description";
	    
	        prices[i]   = (String)inputData.get(priceKey);
	        freebies[i] = (String)inputData.get(freebieKey);
	    }    
	}
}

// *********************************************************************************************
// We have to consider that data was saved in the task during interaction.
// The dropdown list and the price field have to be initialized accordingly.
// see HTML section
// ********************************************************************************************* 
String selectedFreebie = null;  // when the dropdown list is initalized the code tests against this value 
int selectedIndex = 0;          // will be updated during initalization of the dropdon list 

//***********************************************************************
// access the outpu message of the task
// consider the case that this data objects were not initialized before
//***********************************************************************
DataObject output = (DataObject)request.getAttribute("message");
if(output != null)
{
    DataObject selectPromotionalGiftResponse = output.getDataObject("selectPromotionalGiftResponse");
    if(selectPromotionalGiftResponse != null)
    {
	    DataObject promotionalGift = selectPromotionalGiftResponse.getDataObject("promotionalGift");
	    if(promotionalGift != null)
	    {
	        selectedFreebie = promotionalGift.getString("description");
	    }
    }
}

%>


<!-- ************************************************************************ -->
<!-- The following javascript enables to change extra charges dynamically,    -->
<!-- when a gift is selected in the dropdown list                             -->
<!-- The values of the proces have been determined from the input data        -->
<!-- ************************************************************************ -->
<script type="text/javascript">
<!--
var price = new Array(<% out.print(prices[0]); for (int i = 1 ; i < prices.length; i ++) { out.print (", "); out.print(prices[i]);} %>);

function setPrice(index) {
    document.getElementById("price").value = price[index];
}
-->
</script>

<!-- *************************************************************** -->
<!--  Consider that your page can be displayed in two modes:         -->
<!--  - in read/write mode (when a task is active) and               -->
<!--  - in read-only mode (e.g. when a task has been finished        -->
<!--  you can distinguish these modes by the following test:         --> 
<!-- *************************************************************** -->
<c:choose>
    <c:when test="${not empty prefix}">
	<!-- ************************************** -->
	<!--  READ WRITE MODE                       -->
	<!-- ************************************** -->
	
	<p><strong>A promotional gift is presented to you!</strong> - Just select your gift and enter your personal information in the form. The gift will be delivered today.<p>
	
	<p><strong>Note:</strong> Some of the gifts cost a little extra charge. If you select such a gift, please enter your credit card information.</p>

		<table>
			<tr>
				<td>Name:</td>
				<td><input id="name" type="text" name="${prefix}/selectPromotionalGiftResponse/name"
					value="${messageMap['/selectPromotionalGiftResponse/name']}" size="60" align="left" /></td>
			</tr>
			<tr>
				<td>Address:</td>
				<td><input id="address" type="text" name="${prefix}/selectPromotionalGiftResponse/address"
					value="${messageMap['/selectPromotionalGiftResponse/address']}" size="60" align="left" /></td>
			</tr>
			<tr>
				<td>Promotional gift:</td>
				<td><select id="gift"
					name="${prefix}/selectPromotionalGiftResponse/promotionalGift/description" size="1" 
					onChange="setPrice(document.getElementById('gift').options.selectedIndex)" style="width:250">
					<%
					for (int i = 0; i < freebies.length; i++)
					{
					    if(freebies[i].equals(selectedFreebie))
					    {
					        out.print("<option selected=\"true\">");
					        selectedIndex = i;
					    }
					    else
					    {
					        out.print("<option>");
					    }
					    out.print(freebies[i]);
					    out.print("</option>");
					}
					 %>
				</select></td>
			</tr>
			<tr>
				<td>Extra charge:</td>
				<td><input id="price" type="text" name="${prefix}/selectPromotionalGiftResponse/promotionalGift/extraCharge"
					value="<%=prices[selectedIndex] %>" align="left" style="width:250"/></td>
			</tr>
			<tr>
				<td>Credit card number:</td>
				<td><input id="number" type="text" name="${prefix}/selectPromotionalGiftResponse/creditCardInformation/cardNumber"
					value="${messageMap['/selectPromotionalGiftResponse/creditCardInformation/cardNumber']}" align="left" style="width:250"/></td>
			</tr>
			<tr>
				<td>Credit card company:</td>
				<td><input id="company" type="text" name="${prefix}/selectPromotionalGiftResponse/creditCardInformation/cardCompany"
					value="${messageMap['/selectPromotionalGiftResponse/creditCardInformation/cardCompany']}" align="left" style="width:250"/></td>
			</tr>
			<tr>
				<td>valid thru:</td>
				<td><input id="valid" type="text" name="${prefix}/selectPromotionalGiftResponse/creditCardInformation/valid"
					value="${messageMap['/selectPromotionalGiftResponse/creditCardInformation/valid']}" align="left" style="width:250"/></td>
			</tr>
		</table>
		
    </c:when>
	<c:otherwise>
	<!-- ************************************** -->
	<!--  READ ONLY MODE                        -->
	<!-- ************************************** -->
	
	<p>You have selected the following gift:</p>

		<table>
			<tr>
				<td>Name:</td>
				<td>${messageMap['/selectPromotionalGiftResponse/name']}</td>
			</tr>
			<tr>
				<td>Address:</td>
				<td>${messageMap['/selectPromotionalGiftResponse/address']}</td>
			</tr>
			<tr>
				<td>Promotional gift:</td>
				<td>${messageMap['/selectPromotionalGiftResponse/promotionalGift/description']}</td>
			</tr>
			<tr>
				<td>Extra charge:</td>
				<td>${messageMap['/selectPromotionalGiftResponse/promotionalGift/extraCharge']}</td>
			</tr>
			<tr>
				<td>Credit card number:</td>
				<td>${messageMap['/selectPromotionalGiftResponse/creditCardInformation/cardNumber']}</td>
			</tr>
			<tr>
				<td>Credit card company:</td>
				<td>${messageMap['/selectPromotionalGiftResponse/creditCardInformation/cardCompany']}</td>
			</tr>
			<tr>
				<td>valid thru:</td>
				<td>${messageMap['/selectPromotionalGiftResponse/creditCardInformation/valid']}</td>
			</tr>
		</table>

    </c:otherwise>
</c:choose>
<!-- end of global try {} catch(...) block -->
<%
} catch (Exception exception) {
    System.out.println(exception);
    exception.printStackTrace(System.out);
}
%>
<!-- *********************************************************** -->
<!-- To print the whole message Map e.g. for testing purposes,   -->
<!-- uncomment the following statements                          -->
<!-- *********************************************************** -->
<!--
<hr>
These are the name value pairs of the message map:<br> = ${messageMap}
<hr>
-->