Conditionally hide some plugin

Sometimes a placholder contains some plugins, which temporarily should not show up while rendering. If this feature is enabled, then instead of deleting them, it is possible to hide them.

Enable the meachanism

In the projects, add:

    'allow_plugin_hiding': True,

By default, this feature is disabled. If enabled, djangocms-cascade adds a checkbox to every plugin editor. This checkbox is labeled Hide plugin. If checked, the plugin and all of it’s children are not rendered in the current tree. To easily distinguish hidden plugins in structure mode, they are rendered using a shaded background.