[英]how to implement onchange ajax request in sonata admin bundle Symfony2
I want to implement onchange ajax request in sonata admin bundle in Symfony2.I want to create a cascading dropdown.if i select option from a drop down then according to the value of the dropdown, the next dropdown will automatically populate the value. 我想在Symfony2的Sonata Admin包中实现onchange ajax请求。我想创建一个级联下拉列表。如果我从下拉列表中选择选项,然后根据下拉列表的值,下一个下拉列表将自动填充该值。
Any idea will be appreciated .. 任何想法将不胜感激..
I think you just have to override standard_layout.html.twig
layout template and load your custom JS file. 我认为您只需要重写standard_layout.html.twig
布局模板并加载自定义JS文件即可。
Note: Maybe you just have to override the CRUD edit template and not all the layout. 注意:也许您只需要覆盖CRUD编辑模板,而不是全部布局。 Create the file and specify it in your SonataAdminBundle configuration: 创建文件并在您的SonataAdminBundle配置中指定它:
sonata_admin:
templates:
edit: YourCustomBundle:CRUD:edit.html.twig
Then, override the javascript block to add your JS file: 然后,覆盖javascript块以添加您的JS文件:
{% block javascripts %}
{{ parent() }}
<script src="{{ asset('bundles/mycustombundle/myfile.js') }}" type="text/javascript"></script>
{% endblock %}
Finally, you just have to add a listener on your first dropdown field and make an AJAX request (when your selected value changed) that will point on a custom controller and return your second dropdown values. 最后,您只需要在第一个下拉字段中添加一个侦听器,并发出一个AJAX请求(更改所选值时),该请求将指向自定义控制器并返回第二个下拉值。
I think this should be ok. 我认为应该没问题。
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