HiUnfortunately you've hit a limitation of Freemarker-only custom views. As you've discovered, Freemarker is very sensitive to missing or null values in lists, so you need to prefilter using JavaScript, which means converting your customer view code into a webscript and applying this to the space. The second "gotcha" is that there's currently no UI for this last step.Fortunately there is a solution! There's a programmatic way of making a webscript into a custom view. I'm not 100% sure which version this was added in (and the developer is on paternity leave right now) but I'd expect it to at least be in 2.1.1E.You need to add the cm:webscriptable aspect to a space with the cm:webscript property containing a relative* URL to the webscript rendering the view (*relative to the /alfresco/ web app).Here's a webscript which will enable you to do this, so first create and register this script:webscriptable.get.desc.xml<webscript>
<shortname>WebScript Custom View</shortname>
<description>Add webscript aspect to space node</description>
<url>/webscriptable?n={nodeRef}&w={webscriptUrl}</url>
<format default="html"/>
<authentication>admin</authentication>
<transaction>required</transaction>
</webscript>
(Change the URL and authentication details to suit your deployment)webscriptable.get.jsif (args["n"] != null)
{
var dest = search.findNode(args["n"]);
if (dest != null)
{
if (args["add"] != null)
{
dest.addAspect("cm:webscriptable");
dest.properties["cm:webscript"] = args["w"];
}
else
{
dest.removeAspect("cm:webscriptable");
}
dest.save();
}
}
webscriptable.get.html.ftl<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title>WebScript Custom View</title>
<style>
body {
font-family: Verdana, Helvetica, sans-serif;
font-size: 10pt;
}
.label {
float: left;
width: 10em;
}
.data {
float: left;
}
.field {
clear: left;
float: left;
padding: 8px;
}
</style>
</head>
<body>
<h3>WebScript Custom View</h3>
<form action="${url.serviceContext}${url.match}" method="get">
<div class="field">
<span class="label">Space nodeRef:</span>
<span class="data"><input type="text" name="n" size="64" /><br />e.g. "workspace://SpacesStore/e3741425-35cf-11dc-9762-4b73d0280543"</span>
</div>
<div class="field">
<span class="label">Webscript URL:</span>
<span class="data"><input type="text" name="w" size="128" value="/wcservice/PATH/TO/WEBSCRIPT?nodeRef={noderef}" /></span>
</div>
<div class="field">
<span><input type="submit" value="Add" name="add" /></span>
<span><input type="submit" value="Remove" name="remove" /></span>
</div>
</form>
</body>
</html>
When you run this webscript, you need the nodeRef of the space you want to customise and the URL of your custom view webscript - note the latter should start with /wcservice/ to use the right authenticator servlet (see the example within the html).Your own custom view webscript will automatically get passed the nodeRef of the space, so you can use something likevar nodeRef = args["nodeRef"];
var space = search.findNode(nodeRef);
in your custom view's javascript.Final note: the "webscriptable" webscript above also supplies a remove action, as there was a bug in the Web Client UI whereby this aspect didn't get removed using the normal trashcan icon.Let me know how you get on….Thanks,Mike
