In the first version of the extendable expense types feature, I use a button to switch between the standard and the extended list. Figure 8-3 shows what it looks like.
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The JSP page for this version of the entry form area is shown in Example 8-4.
<%@ page contentType="text/html" %> <%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %> <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %> <f:view> <h:form> Title: <h:inputText id="title" size="30" required="true" value="#{reportHandler.currentReport.title}" /> <h:message for="title" /> <br> Entry: <br> Date: <h:inputText id="date" size="8" required="true" value="#{entryHandler.currentEntry.date}"> <f:convertDateTime dateStyle="short" /> </h:inputText> <h:message for="date" /> <br> Type: <h:selectOneMenu id="type" required="true" value="#{entryHandler.currentEntry.type}"> <f:selectItems value="#{entryHandler.currentChoices}"
/> </h:selectOneMenu><h:commandButton value="Ext/Std" immediate="true"
action="#{entryHandler.toggleTypes}" />
<h:message for="type" /> <br> Amount: <h:inputText id="amount" size="8" required="true" value="#{entryHandler.currentEntry.amount}"> <f:convertNumber ...
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