How to add complex conditional code in visualforce - Multi-Currency

Question

I have the following code in visualforce:

<apex:variable value="{!Opportunity.Amount-Opportunity.Descuento_Autorizado__c}" var="descontado"/>
   {!IF(Opportunity.CurrencyIsoCode=="USD",
   <apex:outputText value="${0, number, ###,##0.00}">
        <apex:param value="{!descontado}"/>
        </apex:outputText>,
        <apex:outputText value="Q{0, number, ###,##0.00}">
        <apex:param value="{!descontado}"/>
        </apex:outputText>)}

I'm 99% sure this isn't even the correct way to do it but just so you have the idea of what I'm trying to do. I'm trying to show a different currency symbols using depending on the value of the currency on the opportunity. Is there a way to achieve this?

Answer 1

You're almost there. For complex logic, you can use an apex:outputPanel to determine whether something is rendered.

e.g.

<apex:variable value="{!Opportunity.Amount-Opportunity.Descuento_Autorizado__c}" var="descontado"/>

<apex:outputPanel rendered="{!Opportunity.CurrencyIsoCode = 'USD'}" layout="none">
    <apex:outputText value="${0, number, ###,##0.00}">
        <apex:param value="{!descontado}"/>
    </apex:outputText>
</apex:outputPanel>

<apex:outputPanel rendered="{!Opportunity.CurrencyIsoCode != 'USD'}" layout="none">
    <apex:outputText value="Q{0, number, ###,##0.00}">
        <apex:param value="{!descontado}"/>
    </apex:outputText>
</apex:outputPanel>

By adding layout="none" to the apex:outputPanel, you ensure no wrapping div/span is added to the page.

Or, even simpler you can add the condition to the apex:outputText element:

<apex:outputText value="{!IF(Opportunity.CurrencyIsoCode = 'USD', '$', 'Q')}{0, number, ###,##0.00}">
    <apex:param value="{!descontado}"/>
</apex:outputText>

Answer 2

You do not need separate rendering for currency. Following format automatically displays currency symbol.

 <apex:outputText value="{0, number, currency}">

Code:

<apex:variable value="{!Opportunity.Amount-Opportunity.Descuento_Autorizado__c}" var="descontado"/>

<apex:outputPanel layout="none">
    <apex:outputText value="{0, number, currency}">
        <apex:param value="{!descontado}"/>
    </apex:outputText>
</apex:outputPanel>

Sample output:

$345,670.00