Tracer portlet


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Tracer portlet
module: Content module
supplier: VYRE Ltd.

The Tracer Portlet are used to add "breadcrumb trails" to the site. Tracer or Breadcrumbs as they are more known as are a navigation technique used in user interfaces. Its purpose is to give users a way to keep track of their location within the site. The term is taken from the trail of breadcrumbs left by Hansel and Gretel in the popular fairytale.

Breadcrumbs typically appear horizontally across the top of a webpage, usually below any title bars or headers. They provide links back to each previous page that the user navigated through in order to get to the current page, for hierarchical structures usually the parent pages of the current one. Breadcrumbs provide a trail for the user to follow back to the starting/entry point of a website. They may look something like this:

Home page → Section page → Subsection page

The Tracer portlet should not be used as a replacement for the browser's history back button. The Tracer portlet shows the parent pages of the page the user is currently viewing, not the sequence of pages that he / she has visited to arrive at that page. the tracer portlet references the pages themselves, not the pages the user has visited so parent pages which were item display pages would be empty if visited via the tracer portlet as it doesn't keep a history.



tracer portlet configuration

The tracer portlet is normally added on the Page Template. It is contained in the navigation portlet section.

Separator Character

Please use a distinct character as the separator. This will help the user distinguish the pages in the tracer. Good examples of a separator would be " > " or " → ".

Tracer Root Selection

This is the root page you want the tracer to start at. In this example I have it on the news parent page. The tracer will then be shown on the news parent page and its children. The tracer would not appear in london_shows page for example. If i wanted to apply the tracer to the whole site, i would set the root to be the site's root (indicated by the folder icon)

dynamic vs static

When its dynamic, the tracer portlet appears in every level of the website where its specified to appear in. With static you can specify a maximium levels of pages it can reach.

For example a page has a path john/smith/view. Choosing dynamic as the option, the tracer portlet will reach to the view page. If you specified the tracer as static and level as 2, it will reach pages "john" and "smith" but not view. If you specify the level as 4, it will reach all the pages.

See Also

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