Added Enable/Disable All and the option to select a root directory for relative paths

[justo46]

No description provided.

[losanc]

Hi,

thanks for the PR! some questions

1. Is root_path assigned to each object, or only assigned to each scene?

   For example, property relative is used for both scene and object. scene.relative is used as a setting when you load the object, after loading it, obj.relative is used for this individual object. And currently it's always relative to the path of .blend file.

   I see your code root_path is only for each scene. So, for example, if I load a sequence with root_path = "pathA", then I maybe misclicked then change the root_path to PathB, or maybe load a new sequence with using root_path="pathB"
   , then all loaded sequences will become invalid.

root_path: bpy.props.StringProperty(name="Root Directory",
                                        subtype="DIR_PATH",
                                        description="Select a root folder for all relative paths. When not set the current filename is used.",
                                        update=update_path)

you probably don't need update=update_path here

[digitalillusions]

I think the idea was to keep this as a global setting. The main motivation is provide an alternate source for relative paths, in the case that the relative location of the .blend file is different on different machines. As such, being able to specify a global root directory allows you to remap all sequences using a relative path with a single action.

I think using a different root dir for individual sequences is hardly any different from just using absolute paths for each sequence, since they would have to be remapped anyway, and it also adds a lot more

[digitalillusions]

Thanks! Looks good to me now.