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Informations about the package contao-tags
Contao Tags
About
Adds the possibility to assign tags to individual elements.
System requirements
Installation & Configuration
- Install via Contao Manager or Composer (
composer require numero2/contao-tags
)
News
-
Add the following code snippet into your
news_(full|latest|short|simple).html5
template -
Configure your
Newslist
orNewsreader
front end modules and set aRedirect page for tags
(optional) - Additionally add the
News Tag Cloud
module anywhere on your page
Events
-
Add the following code snippet into your
event_(full|list|teaser|upcoming).html5
template⚠️ Note: Contao does not provide any Hooks for the Eventreader module, therefore we need to add some logic at the beginning of our template to parse the Tags correctly.
-
Configure your
Eventlist
orEventreader
front end modules and set aRedirect page for tags
(optional) - Additionally add the
Events Tag Cloud
module anywhere on your page
Insert-Tags
This extensions comes with a couple of Insert-Tags that can be used to link to a page which will only show entries with matching tags.
Insert-Tag | Description |
---|---|
{{tag_link::1::foo}} | Creates a link URL to the page with ID 1 and the tag foo |
{{tag_link::1::foo::bar}} | Creates a link URL to the page with ID 1 and the tags foo and bar |
{{tag_link::1::foo|absolute}} | Creates an absolute link URL to the page with ID 1 and the tag foo |
{{tag_link::1::foo|get}} | Creates a link URL to the page with ID 1 and the tag foo using GET parameters |
{{tag_link::1::foo|absolute|get}} | Creates an absolute link URL to the page with ID 1 and the tag foo using GET parameters |
{{tags_active}} | Creates a list of all active tags seperated by , , e.g. tag1, tag2, tag3 |
{{tags_active:: + }} | Creates a list of all active tags seperated by the given string + , e.g. tag1 + tag2 + tag3 |
{{tags_active::, :: and }} | Creates a list of all tags seperated by , but the last tag is added with and , e.g. tag1, tag2, tag3 and tag4 |
A more robust way for the links would be to use the tag's ID instead of its name (which can be changed under System › Tags
).
So instead of {{tag_link::1::foo}}
you could also write {{tag_link::1::69}}
(assuming the ID of foo
is 69).
For Developers
Integrating a tags field in your own extension
If you want to use the tags for fields in your own Data Containers you can do so by defining the field as follows:
foreignKey
, options_callback
and save_callback
are mandatory.
In the eval
section we add a class called tags
- this is also needed for the JavaScript handling. There are some more options which can be defined in eval
.
Eval-Options
Option | Description |
---|---|
groupTagsByField |
If set to true the user will only be able to select from a list of tags that have been already used on this specific field in the current table. If set to false or not set at all, the user will be able to choose from all tags available. |
All versions of contao-tags with dependencies
symfony/console Version ^5.0 || ^6.0
symfony/dependency-injection Version ^5.0 || ^6.0