Within a many-to-many relationship between to Custom Post Types, for a given 'parent' post, I need to see a list of 'child' posts which are NOT already part of a relationship with that particular 'parent' post.
Solution:
You can setup custom codes with filter hook "wpv_filter_query" to apply custom filters to your view, for example:
Problem:
Which filter will prevail if trying to set a Layout or Content Template programmatically?
Solution:
The get_layout_id_for_render filter is a Layouts filter.
The wpv_filter_force_template filter is a Views filter.
You can use the get_layout_id_for_render filter to modify which Template Layout is used, or the wpv_filter_force_template filter to modify which Content Template is used, but you cannot use the filters to modify whether a Template Layout or Content Template is used, which will be determined by what you have set for the post type, or more specifically for the individual post.
Problem: In a CRED form that creates child posts, I would like to filter the options shown in a generic field based on other posts in its hierarchy.
Solution: If you know the grandparent ID in the context of the CRED form you can then pass that value into a View's filter using a shortcode attribute. That View can have a post relationship filter, where the parent is set by a shortcode attribute. The output of that View can be used to define the options for your generic select field.
You can access URL parameters with this shortcode:
For example, if your type D CRED form is accessed at a URL like yoursite.com/new-post-type-d?a=12345, then you can access the type a ID (12345) like so:
[wpv-post-param var='a']
You can then pass that URL parameter into a View as a shortcode attribute:
Problem: I would like to remove the 20 character limit on custom post type slugs.
Solution: This 20 character limit is imposed by WordPress and Toolset does not provide the capability to override that limit. Types registers custom post types using the standard WordPress function "register_post_type". Please see the register_post_type documentation link below.
If you just want to have longer slugs in the URLs for your CPT, you can use the Rewrite option in the post type editor to specify a different slug. The 20-character limit does not apply to the rewrite. I'm attaching a screenshot that shows where this option can be modified. This would result in posts with URLs like http://yoursite.com/this-is-a-long-slug-that-can-replace-your-short-cpt-slug/post-slug
Problem: I am trying to use a View to generate the options for a custom generic hidden field, but the options are written out onto the page instead of being interpreted as form field options.
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