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Table of Contents

5.5 Content Events for Plugin System

5.5.1 Overview

Content events are triggered during the content creation process. This may occur in views in the com_content component, or in other components or modules.

5.5.2 onBeforeDisplay

5.5.2.1 Description

This event is triggered when the framework is ready to create content. When this event triggers, all features that can affect the presentation format are loaded.

5.5.2.2 Parameters

None.

5.5.2.3 Return Value

None.

5.5.2.4 Used in files
  • index.php
  • administrator/index.php
  • components/com_content/views/article/view.html.php
  • components/com_content/views/category/view.html.php
  • components/com_content/views/frontpage/view.html.php
  • components/com_content/views/section/view.html.php
  • modules/mod_newsflash/helper.php
  • plugins/content/pagenavigation.php
  • plugins/content/vote.php

5.5.3 onAfterDisplay

5.5.3.1 Description

This event is triggered when the framework has finished creating content.

5.5.3.2 Parameters

None.

5.5.3.3 Return Value

None.

5.5.3.4 Used in files
  • index.php
  • administrator/index.php
  • components/com_content/views/article/view.html.php
  • components/com_content/views/category/view.html.php
  • components/com_content/views/frontpage/view.html.php
  • components/com_content/views/section/view.html.php
  • modules/mod_newsflash/helper.php

5.5.4 onPrepareContent

5.5.4.1 Description

This is the first stage in preparing content for output and is the most common point for content orientated plugins to do their work. Since the article and related parameters are passed by reference, event handlers can modify them prior to display.

5.5.4.2 Parameters
  • article A reference to the article that is being rendered by the view.
  • params A reference to an associative array of relevant parameters. The view determines what it considers to be relevant and passes that information along.
  • limitstart An integer that determines the “page” of the content that is to be generated. Note that in the context of views that might not generate HTML output, a page is a reasonably abstract concept that depends on the context.
5.5.4.3 Return Value

None. Results are returned by modifying the referenced arguments.

5.5.4.4 Used in files
  • components/com_content/views/article/view.html.php
  • components/com_content/views/article/view.pdf.php
  • components/com_content/views/category/view.html.php
  • components/com_content/views/frontpage/view.html.php
  • components/com_content/views/section/view.html.php
  • plugins/content/code.php
  • plugins/content/emailcloak.php
  • plugins/content/geshi.php
  • plugins/content/image.php
  • plugins/content/loadmodule.php
  • plugins/content/pagebreak.php
  • plugins/content/sef.php

5.5.5 onAfterDisplayTitle

5.5.5.1 Description

This is a request for information that should be placed between the content title and the content body.

5.5.5.2 Parameters

See the onPrepareContent event for additional discussion of these parameters. Note that unlike onPrepareContent, these parameters are passed by value.

  • article The article that is being rendered by the view.
  • params An associative array of relevant parameters.
  • limitstart An integer that determines the “page” of the content that is to be generated.
5.5.5.3 Return Value

An array. In XHTML/HTML views, this is is an array of strings, each of which becomes a line in the output stream.

5.5.5.4 Used in files
  • components/com_content/views/article/view.html.php
  • components/com_content/views/category/view.html.php
  • components/com_content/views/frontpage/view.html.php
  • components/com_content/views/section/view.html.php
  • modules/mod_newsflash/helper.php
5.5.5.5 See Also
  • components/com_content/views/article/tmpl/default.php

5.5.6 onBeforeDisplayContent

5.5.6.1 Description

This is a request for information that should be placed immediately before the generated content. For views that generate XHTML/HTML, this might include the use of styles that are specified as part of the content or related parameters.

5.5.6.2 Parameters

See the onPrepareContent event for additional discussion of these parameters. Note that unlike onPrepareContent, these parameters are passed by value.

  • article The article that is being rendered by the view.
  • params An associative array of relevant parameters.
  • limitstart An integer that determines the “page” of the content that is to be generated.
5.5.6.3 Return Value

An array. In XHTML/HTML views, this is is an array of strings, each of which becomes a line in the output stream.

5.5.6.4 Used in files
  • components/com_content/views/article/view.html.php
  • components/com_content/views/category/view.html.php
  • components/com_content/views/frontpage/view.html.php
  • components/com_content/views/section/view.html.php
  • modules/mod_newsflash/helper.php
5.5.6.5 See Also
  • components/com_content/views/article/tmpl/default.php

5.5.7 onAfterDisplayContent

5.5.7.1 Description

This is a request for information that should be placed immediately after the generated content. For views that generate XHTML/HTML, this might include the closure of styles that are specified as part of the content or related parameters.

5.5.7.2 Parameters

See the onPrepareContent event for additional discussion of these parameters. Note that unlike onPrepareContent, these parameters are passed by value.

  • article The article that is being rendered by the view.
  • params An associative array of relevant parameters.
  • limitstart An integer that determines the “page” of the content that is to be generated.
5.5.7.3 Return Value

An array. In XHTML/HTML views, this is is an array of strings, each of which becomes a line in the output stream.

5.5.7.4 Used in files
  • components/com_content/views/article/view.html.php
  • components/com_content/views/category/view.html.php
  • components/com_content/views/frontpage/view.html.php
  • components/com_content/views/section/view.html.php
5.5.7.5 See Also
  • components/com_content/views/article/tmpl/default.php
 
plugins/content_events.txt (15445851 views) · Last modified: 2007/07/12 10:14
 
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