MACROMEDIA CONTRIBUTE 3-DEPLOYING CONTRIBUTE Betriebsanweisung PDF herunterladen (Seite 32)

Serena® Collage® 5.1.3

Chapter 3 Design-Time Component Reference

AssetQuery

This component allows you to query for assets that fulfill certain criteria and then

generate HTML that can display the following:



Information about those assets. For example, you can display the asset's filename,

modification date, or metadata fields and values.



A list of links to the files in the query.



If the query returns contribution assets, you can also display the actual content that is

stored in the asset's fields. In this way, you can reuse and re-purpose content that is

stored in a contribution asset. This means that you only need to write key content

once, in a contribution field; to reuse it in other assets, you simply need to define an

AssetQuery component that retrieves and displays the content of the field. To make

changes to the content, simply edit the source contribution asset. The next time you

deploy your website, the revised content will be retrieved wherever the AssetQuery

component is defined. To learn more about content contribution, see the Serena

Collage Project Manager's Guide.

How AssetQuery Works

The opening tag of the AssetQuery component defines the query, which locates the

assets. The body of the tag, contained between the opening and closing component tags,

defines the HTML that will be repeated/generated for each found asset. You can repeat

the same HTML for each found asset, or define different HTML for different sets of assets.

For example, you can display information about the assets in a table, and define unique

formatting for each row or cell in the table.

The AssetQuery component can either search across the entire Collage project, or search

a specific folder, which you can define relative to the location of the deployed asset, or as

an absolute path in the project.

Inside the body of the tag, data field macros are used to access and display specific asset

properties or other information. For example,

$node.filename

will be replaced with the

asset's filename.

For each asset that is found, the body is repeated. For example, If the body contains a

$node.filename

string, and two assets are found, the filename of each asset will be

displayed.

About Previewing AssetQuery Components

When you preview a page that contains an AssetQuery component, and the component

includes a

layout

parameter to format the linked assets, the component will list or

display information about a maximum of five assets, by default. If you want to override

this limitation, in order to list of display more than five assets, you must include the

Previewmax attribute in the component. See "

Previewmax

" on page 42 for details.

About Nesting Multiple AssetQuery Components

To further refine a query, and reduce the need to define redundant queries to return

related assets, you can nest one or more AssetQuery components inside another. This is

useful if, for example, you want to locate and list more than one type of asset, each of

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