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Serena® Collage® 5.1.3

Chapter 3 Design-Time Component Reference

Querying for Contribution Field Content

The following is an example AssetQuery component that retrieves and displays the

content from a field in a contribution asset.

The results of this query may look something like:

You can also link to HTML versions of contribution assets by making the following changes

to the above example. The HTML version of the asset will always be generated in the

same location as the layout file for the asset.



Add a

layout

property to the

<nexus:component>

tag. This property identifies the

contribution layout file that you want to use to create the HTML version of the asset.

For example,

layout="techbrief_layout.htm"

.For more information see Chapter

4, "Layout Contribution Component Reference" on page 121.

<nexus:component classid="nexus/components/AssetQuery"

code="$nexusComponents"

root="/Website/TechBriefs"

Filter="A.AssetType='techbrief'" max=5 OrderbyCode="d">

<nexus:prelog>

Most Recent Tech Briefs

<ul>

</nexus:prelog>

<li>

<font face="Times,Times New Roman" size="2"

color="black">Title: $node.contribution("title")

<nexus:prolog>

</ul>

</nexus:prolog>

</nexus:component>

Filter property limits

query to techbrief

asset type

Retrieves 5

Prelog defines and

header, and creates

an unordered list

formats a small

assets, and

sorts them

by date

All HTML between the

prelog and prolog is

repeated for each asset;

each appears as a

bulleted list item

$node.contribution("title") retrieves and

displays the content of the "title" contribution

field for each asset that is queried

Prolog closes the

unordered list

NOTE

You can use any layout file that you want, not just the layout file that is associated

with the contribution asset type in Collage. In this way, you can allow your site users

to display contribution assets in more than one format. You can cater look and feel to

different types of users without having to create duplicate contribution assets.

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