AttributeDelta (engine/model/delta)
@ckeditor/ckeditor5-engine/src/model/delta/attributedelta
To provide specific OT behavior and better collisions solving, methods to change attributes
(setAttribute
and removeAttribute
)
use AttributeDelta
class which inherits from the Delta
class and may overwrite some methods.
Filtering
Properties
-
baseVersion : Number | null
inherited
Returns delta base version which is equal to the base version of the first operation in delta. If there are no operations in delta, returns
null
.Overrides: Delta#baseVersion -
key : String | null
readonly
The attribute key that is changed by the delta or
null
if the delta has no operations. -
operations : Array.<Operation>
readonly inherited
Array of operations which compose delta.
-
The range on which delta operates or
null
if the delta has no operations. -
type : String
readonly inherited
Delta type.
Overrides: Delta#type -
value : * | null
readonly
The attribute value that is set by the delta or
null
if the delta has no operations. -
_reverseDeltaClass : function
private inherited
A class that will be used when creating reversed delta.
Overrides: Delta#_reverseDeltaClass
Static properties
-
className : String
readonly inherited static
Methods
-
constructor()
inherited
Creates a delta instance.
-
addOperation( operation )
inherited
Add operation to the delta.
Parameters
operation : Operation
Operation instance.
-
Creates and returns a delta that has the same parameters as this delta.
Returns
Delta
Clone of this delta.
-
getReversed() → Delta
inherited
Creates and returns a reverse delta. Reverse delta when executed right after the original delta will bring back tree model state to the point before the original delta execution. In other words, it reverses changes done by the original delta.
-
toJSON() → Object
inherited
Custom toJSON method to make deltas serializable.