intercept content and dynamically replace

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Mark Roffey 18 posts 32 karma points

Jul 12, 2010 @ 13:22

0

Intercept content and dynamically replace

On the current project I'm working on, I need to replace a telephone number, depending on whether a cookie has been set. So the way I'm thinking at the minute, was that in the content, i'd put the number in as {TELEPHONE} and then intercept the content before it's rendered and replace as necesary.

I've been trying to think of a way to do it in XSLT and using my own extensions, but it's a bit messy. Is there a way that I could do it from c# and extending Umbraco itself?

Many thanks in advance for any help.

Mark

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Sascha Wolter 615 posts 1101 karma points

Jul 12, 2010 @ 14:37

Hi Mark,
you wouldn't necessarily have to write any custom extensions for it, you should be able to perform this with what you've already got in XSLT:
<!-- retrieve the value from the cookie -->
<xsl:variable name="cookieContent">
  <xsl:choose>
       <xsl:when test="string(umbraco.library:RequestCookies('yourCookieName')) != ''">
           <xsl:value-of select="string(umbraco.library:RequestCookies('yourCookieName'))" />
        </xsl:when>
        <xsl:otherwise>
            123456789
        </xsl:otherwise>
   </xsl:choose>
</xsl:variable>
<!-- replace instances of [TELEPHONE] with the value in the cookie -->
<xsl:value-of select="Exslt.ExsltStrings:replace($currentPage/data[@alias='bodyText'], '[TELEPHONE]', '$cookieContent)" />
I'd rather use square instead of curly brackets for that, just to be on the safe side.
You can even go ahead and create a global XSLT file with a template that will take care of these replacements in a generic manner.
Hope that was what you were looking
Sascha

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dan 29 posts 53 karma points

Jul 13, 2010 @ 05:40

I think you can do something like this. Too

<%@ Master Language="C#" MasterPageFile="/admin/masterpages/default.master" AutoEventWireup="true" %>
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{

string telephone = umbraco.presentation.nodeFactory.Node.GetCurrent().GetProperty("telephone").Value;
    if (Session.Cookie.Isset) //Not sure about the code here.
    {
        telephone = "";
        lblTelephone.Text = telephone;
    }
    else
    {
        telephone = "";
    }
</script>
<asp:Content ContentPlaceHolderID="ContentPlaceHolderDefault" runat="server">

    <asp:Label id="lblTelephone" runat="server"></asp:Label>    

</asp:Content>

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