Template prototype is like a master page template. Anything you configure in the prototype is applied to all page templates. The prototype makes configuration efficient as you only need to do it once. For example, add an area to the prototype to make it available on all pages. You can override the prototype at the page definition level if needed.
Do I need a prototype? No, it is not necessary to use a prototype. You can configure a separate page definition for each page template instead. This works fine if you have a small number of templates that are very different from each other.
Prototype is an optional templating mechanism that offers a number of benefits:
Ensures uniformity across templates Avoids repeating and duplicating configuration Creates similar templates quickly Prerequisites Configuring a prototype The prototype definition is a page template definition that must use a special class:
$webResourceManager.requireResource("info.magnolia.sys.confluence.artifact-info-plugin:javadoc-resource-macro-resources")
PrototypeTemplateDefinition
. You can use all the
page template properties .
You can configure a prototype in:
If you have the Multisite module (EE Pro) you can configure a different prototype for each site or use the same prototype for all sites.
Configuring a prototype in JCR In the site definition configure the prototype in the /templates/prototype
node.
Example : Prototype in the site definition in the Site app .
Node name Description info.magnolia.my-module.definition.PageTemplateDefinition /my-module/templates/pages/main.ftl site
Configuring a prototype in YAML While it is not possible to configure a site definition completely in YAML, you can configure the prototype in YAML and reference it in the site definition. The prototype definition can reside in any module.
To configure the prototype in YAML:
In the site definition in /<site name>/templates
:Set the: class
property to info.magnolia.module.site.templates.ReferencingPrototypeTemplateSettings
. This class allows you to use a prototype defined in YAML.prototypeId
to the location of the YAML prototype definition in the <module name>:<relative path to definition>
format, for example, travel-demo:pages/prototype
. Remove the /prototype
node, if it exists. Example : travel
site definition in the Site app.
Node name Value info.magnolia.module.site.templates.ReferencingPrototypeTemplateSettings travel-demo:pages/prototype
Create the prototype YAML file in the location defined in the prototypeId
property and set the class property to info.magnolia.module.site.templates.PrototypeTemplateDefinition
(or a subclass).
Click here to see the complete prototype.yaml used in travel demo
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Prototype template properties Prototype is a
$webResourceManager.requireResource("info.magnolia.sys.confluence.artifact-info-plugin:javadoc-resource-macro-resources")
TemplateDefinition
which means it supports the same properties as
page definition , including
common template properties . However, typically you don't use them all. Here are the typical use cases:
areas
optional
Common areas such as footer or navigation that are used on most pages. Each child node is an area definition . Define the areas in the prototype so you don't have to repeat them in each page definition .
templateScript
optional
The templateScript
property allows you to define a common page template script for the whole site. For a page to inherit its template script from the prototype you must also define renderType=site
in the template definition .
A page template script typically starts with an opening <html>
element and ends with the closing </html>
element when rendering HTML output. See main.ftl in the Travel Demo.
Example: The travel demo demo defines a template script in the prototype. This common script is used for all pages. It is also the reason why no YAML page definition in the demo has an explicit templateScript
property. The page definitions set renderType=site
to inherit the script from the prototype, see home.yaml for example.
class
optional
A custom definition class which extends
$webResourceManager.requireResource("info.magnolia.sys.confluence.artifact-info-plugin:javadoc-resource-macro-resources")
ConfiguredTemplateDefinition
, an implementation of
$webResourceManager.requireResource("info.magnolia.sys.confluence.artifact-info-plugin:javadoc-resource-macro-resources")
TemplateDefinition
. You only need a custom class if you want to add your own nodes and properties in the prototype. Implement corresponding methods to operate on those properties in the definition class.
Example:
$webResourceManager.requireResource("info.magnolia.sys.confluence.artifact-info-plugin:javadoc-resource-macro-resources")
PageTemplateDefinition
(
Git ) is a custom definition class used in the Travel Demo. It adds support for a
jsFiles
node which allows you to define JavaScript files in the prototype the same way a
theme defines them.
Merging a prototype with a page definition When a user requests a page Magnolia merges the prototype with a page definition . The result is a merged template definition which is then used to render the page.
The merged definition is virtual. You won't find its configuration anywhere. It is created dynamically at the time of rendering. However, you can access the merged definition in a template script using the def
rendering context object .
Example : Merging a prototype (configured in JCR) with a home page definition (configured in YAML )
Prototype defines the main
area type as list
. Page definition adds availableComponents
for the area. The result contains both. Prototype defines a templateScript
. Page definition says nothing about script. The result is that the home page uses the script defined in the prototype. Prototype defines the footer
area as not editable. Page definition overrides this decision by allowing footer editing on the home page. The result is that the footer can be edited on the home page only. Before merge After merge Prototype:
Node name Description mtk:components/textImage mtk:components/linkList false list list /example/templates/pages/main.ftl
Page template definition:
renderType: site
areas:
footer:
editable: true
main:
availableComponents:
textImage:
id: mtk:components/textImage
teaserInternal:
id: mtk:components/teaser
Merged template definition:
Node name Description mtk:components/textImage mtk:components/linkList true list mtk:components/textImage mtk:components/teaser list /example/templates/pages/main.ftl
#trackbackRdf ($trackbackUtils.getContentIdentifier($page) $page.title $trackbackUtils.getPingUrl($page))