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Example code of fiedsch/contao-components

Informations about the package contao-components

Components for Contao

Abandoned! Please use fiedsch/contao-jsonwidget instead.

Widgets

JSON widget

The jsonWidget can be used in DCA files to create a text field that contains a JSON string. While saving it will be checked if that the string is valid JSON. The widget displays the JSON string with JSON_PRETTY_PRINT so that checks by the reader are are easier.

Example: extending Members

Other valid options in eval are the same as for textareas (as WidgetJSON extends TextArea), except that setting rte will be ignored because the editors provided do not make sense here.

How to use that?

Extend tl_member as in the above example. Then create an ExtendedMemberModel that extends Contao's MemberModel. In the magic methodd __set() and _get you can intercept the "fields" stored in json_data. The Fiedsch\JsonGetterSetterTrait takes care of that:

And finally ...

Helper Classes

Reading YAML config files (mostly experimental)

If files/config/config.yml does not exist it will be created with the data specified in (the optional parameter) $defaults:

Use the YamlConfigHelper instance $config like so:

Let's say that as expected files/config/config.yaml exists and contains

You would get

with the data in $defaults being ignored. There will be no merge of what is read from the config file and the specified $defaults!

For details using Symfony's ExpressionLanguage see http://symfony.com/doc/current/components/expression_language.html

Specifying a default

With the config data as above:

Data types

with the configuration file as above

returns a stdClass Instance. If you need the data as an array, you have to type cast to array

Please note

Using

please note that file.yaml is publicly accessible (in Contao 3) unless some folder along the path files/sompe/path/to/a/ is protected by a .htaccess file (the lock icon in the Contao backend).

If you want to make the file editable for Contao backend users:

All versions of contao-components with dependencies

PHP Build Version
Package Version
Requires php Version >=5.6
contao/core-bundle Version ~3.5 || ~4.4
contao-community-alliance/composer-plugin Version ~2.4 || ~3.0
symfony/yaml Version ~2.7 || ~2.8 || ~3.2 || ~3.4
symfony/expression-language Version ~2.7 || ~2.8 || ~3.2 || ~3.4
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