Documentation
All Documentation
controller_admin_backup_revision
Shows the admin backup revisions screen where you can see older version for a resource.
controller_admin_category_sorter
Shows the admin category screen where you can edit the category tree, rearranging the categories, adding new categories
Shows an admin screen with an overview of most recently created comments. The screen offers the option to moderate the…
controller_admin_comments_settings
Shows an admin settings screen where you can edit settings related to mod_comment.
Shows the admin config editor. Here you can edit the key/value pairs of m_config.
The main admin edit controller. This controller serves the edit page where resources can be edited.
This controller shows the mailing lists that are available in the system.
controller_admin_mailinglist_recipients
Shows the recipients of the current mailing list. The recipients are listed in three columns, and have a checkbox next…
controller_admin_mailing_preview
This controller shows a preview of what a resource that is being mailed would look like, in a popup window.
controller_admin_mailing_status
This controller shows the mailing status of a resource. It lists each mailing list available in the system, and shows…
controller_admin_media_preview
A controller for rendering preview thumbnails of any media embedded in a richtext-editor component of a resource on the…
controller_admin_module_manager
Shows the list of Zotonic modules currently known to the system.
Shows the list of pages ( resources) which refer to this resource through an edge.
Shows a form with settings related to Search Engine Optimization.
controler_api processes authorized REST API requests: It provides an easy way to create API calls to allow computer…
This controller manages all authentication cookies. It is called by the auth model in the browser.
Serve an uploaded-, resized- or library file.
Redirect to the controller controller_file.
The fileuploader controller is used to upload parts of a file.
Simple controller that always serves the string Hello, World!
This controller is called for serving http error pages.
Handle different content representations of a page.
Controller which sets the language as given in the code argument, and redirects the user back to the page given in the…
Controller that logs off a user, destroying the session. It also removes any “remember me” cookies the user has, so…
This controller is used as a jumping stone after a log on from the /logon page. The p argument is passed from the…
Controller which downloads the given mailinglist id as a CSV file.
Controller for transport of MQTT data between the browser (client) and server.
Show a rsc as a HTML page.
Simple controller for connection tests, used on the /test/connection page.
Redirect to another url.
Controllers are the Erlang modules which decide what happens when a browser requests a page. Zotonic looks at the…
Controller which displays a form to sign up (rendered from signup.tpl ).
Controller which displays the confirmation page where the user can confirm his signup.
Serve a static page or pages.
Show a template.
This controller does a redirect to the website property of the given resource.
Admin cookbook Creating a custom widget on the edit page Customizing the layout of the admin edit page Customizing the…
Set CORS headers on the HTTP response.
Zotonic comes with a large collection controllers that cover many use cases, so you’ll probably have to resort to…
Create custom template filters to change the way variables are rendered in your templates. By following some simple…
In this chapter we will look at how to implement a model around the The Open Movie Database (OMDB) API.
Custom tags, internally called scomps , are module-defined tags, which are used when the logic is too complex to be…
Creating a custom widget on the edit page
Why For an imaginary webshop edit page, we want to add 2 more data fields: the affiliate URL and a note about free…
Initialize your site with a proper data model and some resources through manage_schema .
Support for custom client-side (JavaScript-based) validators.
Customizing the layout of the admin edit page
Why After having created a custom widget (see Creating a custom widget on the edit page), we want to hide widgets that…
Customizing the sign up and sign in form
You want to change parts of the form, or change its appearance.
Customizing the style of an admin page
How to make style customizations to admin pages.
Add custom pivot fields to a resource’s search index (map) Result is a single tuple or list of tuples {pivotname
Search can only sort and filter on resources that actually have a database column. Zotonic’s resources are stored in a…
Implement a custom search by observing the search_query notification in your module. Imagine you want to search cookies…
Rotate through a list of values.
Validate input date against a given date format.
Formats a date or datetime according to the format specified in the argument.
Calculate the difference between two dates, returning a single part of that difference.
Show a date range.
add_hour add_day add_month add_week add_year date date_range datediff eq_day in_future in_past ne_day sub_hour sub_day…
Push some information to the debug page in the user-agent. Will be displayed with io_lib:format(“~p: ~p~n”, [What, Arg]…
Shows which variables are assigned for use in the current template’s scope:
Techniques for finding root cause when queries are involved.
Internal message of mod_development. Start a stream with debug information to the user agent. ‘target’ is the id of the…
Provide an alternative value in case a value has a falsy value (0, false , undefined or empty string).
Delete a media file from a resource, without confirmation.
Delete a resource, without confirmation.
Delete the username from a user, no confirmation.
So you have built your Zotonic site, and now you want to show it to the world. This page tells you how to configure…
The technical handbook for developers building websites with Zotonic. It guides you through all aspects of the…
Dispatch rules Name Path Resource Args admin_development [“admin”,”development”] controller_admin [{template
Opens a dialog with a predefined HTML content and title.
Closes a dialog. When there is no dialog open then nothing happens.
Open a dialog that asks confirmation to delete a configuration key/value pair.
Open a dialog to edit a configuration key/value pair.
Open a dialog to create a new configuration key/value pair.
Open a dialog to confirm the deletion of a resource.
Open a dialog to confirm the deletion of the username of a user.
Open a dialog to duplicate the current resource with a new id and title.
Open a dialog to edit the “basic” information of a resource.
Shows the dialog to mail the current page ( resource) to a mailing list. This is used in the admin “mailing status”…
Shows the dialog to mail the current page ( resource) to a single e-mail address. This is used in the frontend of a…
Shows the admin dialog for uploading a media item. See Media.
Show the admin dialog for creating a new resource.
Renders a template on the server and opens a dialog with the HTML output of the template.
Show a dialog for creating a new predicate.
dialog dialog_open dialog_close overlay_open overlay_close
Show a dialog for setting a username / password on the given resource (which is usually a person).
Show a dialog for adding a user. This creates a person resource and adds a username / password to it.
Zotonic is a set of regular OTP applications. These can be found in the repository’s apps/ directory: