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Example code of numero2/contao-tags

Informations about the package contao-tags

Contao Tags

About

Adds the possibility to assign tags to individual elements.

System requirements

Installation & Configuration

News

Events

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_callbackand save_callbackare 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.

If you also want to enable copying tags while copying an entry, you must add following code to your dca

This will copy all tags for the copied entry, except the fields excluded by doNotCopy.

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 falseor not set at all, the user will be able to choose from all tags available.

Events

If you want to filter the tags shown in events and/or news, you can use the contao.tags_get_list event to modify the tags that will be used in the templates.

All versions of contao-tags with dependencies

PHP Build Version
Package Version
Requires contao/core-bundle Version ^4.13 || ^5.0
doctrine/dbal Version ^3.6 || ^4.3
psr/log Version ^1.1 || 2.0 || ^3.0
symfony/config Version ^5.4 || ^6.4 || ^7.0
symfony/console Version ^5.4 || ^6.4 || ^7.0
symfony/dependency-injection Version ^5.4 || ^6.4 || ^7.0
symfony/event-dispatcher Version ^5.4 || ^6.4 || ^7.0
symfony/http-foundation Version ^5.4 || ^6.4 || ^7.0
symfony/http-kernel Version ^5.4 || ^6.4 || ^7.0
symfony/security-bundle Version ^5.4 || ^6.4 || ^7.0
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