An attempt to mimic the ReorderableList within Unity while adding some extended functionality.

This extension can be installed using Unity package manager.
https://github.com/cfoulston/Unity-Reorderable-List.git

• Package manager UI

  

• Manifest

    {
    	"dependencies": {
    		"com.malee.reorderablelist": "https://github.com/cfoulston/Unity-Reorderable-List.git"
    	}
    }
  

• A standalone version is available under the standalone branch, although this version is no longer maintained.

• Drag and Drop references (like array inspector)
• Expandable items and list itself
• Multiple selection (ctrl/command, shift select)
• Draggable selection
• Context menu items (revert values, duplicate values, delete values)
• Custom attribute which allows automatic list generation for properties*
• Event delegates and custom styling
• Pagination
• Sorting (sort based on field, ascending and descending)
• Surrogates (Enable adding elements of a different type)

There are two ways to use the ReorderableList

1. Create a custom Editor for your class and create a ReorderableList pointing to your serializedProperty
2. Create custom list class which extends from ReorderableArray, assign [Reorderable] attribute above property (not class).

Pagination can be enabled in two ways:

1. With the [Reorderable] attribute:
   • [Reorderable(paginate = true, pageSize = 0)]
2. Properties of the ReorderableList:
   • list.paginate
   • list.pageSize

pageSize defines the desired elements per page. Setting pageSize = 0 will enable the custom page size GUI

When enabled, the ReorderableList GUI will display a small section below the header to facilitate navigating the pages

Elements can be moved between pages by right-clicking and selecting "Move Array Element"

Surrogates can be created to facilitate adding Objects to a ReorderableList that don't match the ReorderableList type. This can be achieved in two ways:

1. With the [Reorderable] attribute:
   • [Reorderable(surrogateType = typeof(ObjectType), surrogateProperty = "objectProperty")]
2. Property of the ReorderableList:
   • list.surrogate = new ReorderableList.Surrogate(typeof(ObjectType), Callback);

Check the SurrogateTest and SurrogateTestEditor examples for more information