Scala Library
scala.collection.mutable

trait ObservableBuffer
[source: scala/collection/mutable/ObservableBuffer.scala]
trait ObservableBuffer[A, This <: ObservableBuffer[A, This]]
extends Buffer[A] with Publisher[Message[A] with Undoable, This]
This class is typically used as a mixin. It adds a subscription mechanism to the Buffer class into which this abstract class is mixed in. Class ObservableBuffer publishes events of the type Message.
Author
Matthias Zenger
Version
1.0, 08/07/2003
Since
1
Method Summary
def += (element : A) : This
Append a single element to this buffer.
def +=: (element : A) : This
Prepend a single element to this buffer and return the identity of the buffer.
def clear : Unit
Clears the buffer contents.
def remove (n : Int) : A
Removes the element on a given index position.
def update (n : Int, newelement : A) : Unit
Replace element at index n with the new element newelem.
Methods inherited from Publisher
subscribe, subscribe, suspendSubscription, activateSubscription, removeSubscription, removeSubscriptions, publish, equals
Methods inherited from Buffer
companion
Methods inherited from BufferLike
apply (abstract), length (abstract), insertAll (abstract), +:, remove, -=, ++=:, ++:, ++=:, ++:, append, appendAll, prepend, prependAll, prependAll, insert, trimStart, trimEnd, <<, stringPrefix, ++=, +, +, ++, ++, -, -, --, --, readOnly
Methods inherited from Cloneable
clone
Methods inherited from Shrinkable
-=, --=, --=
Methods inherited from Growable
+=, ++=, ++=
Methods inherited from SeqLike
thisCollection, toCollection, lengthCompare, size, isDefinedAt, segmentLength, prefixLength, indexWhere, indexWhere, findIndexOf, indexOf, indexOf, lastIndexOf, lastIndexOf, lastIndexWhere, lastIndexWhere, reverse, reverseMap, reverseIterator, reversedElements, startsWith, startsWith, endsWith, indexOfSeq, indexOfSeq, lastIndexOfSeq, lastIndexOfSeq, contains, union, diff, intersect, removeDuplicates, patch, updated, +:, :+, padTo, sortWith, sortWith, sortBy, toSeq, indices, view, view, hashCode, toString, findLastIndexOf, equalsWith, containsSlice, projection
Methods inherited from PartialFunction
orElse, andThen
Methods inherited from Function1
compose
Methods inherited from IterableLike
iterator (abstract), elements, foreach, forall, exists, find, isEmpty, foldRight, reduceRight, toIterable, head, take, slice, takeWhile, takeRight, dropRight, copyToArray, zip, zipAll, zipWithIndex, sameElements, toStream, canEqual, first, firstOption
Methods inherited from GenericTraversableTemplate
newBuilder, genericBuilder, unzip, flatten, transpose
Methods inherited from TraversableLike
repr, nonEmpty, hasDefiniteSize, ++, ++, map, flatMap, filter, filterNot, partialMap, remove, partition, groupBy, count, foldLeft, /:, :\, reduceLeft, reduceLeftOption, reduceRightOption, sum, product, min, max, headOption, tail, last, lastOption, init, drop, dropWhile, span, splitAt, copyToBuffer, copyToArray, toArray, toList, toIndexedSeq, toSet, mkString, mkString, mkString, addString, addString, addString, withFilter
Methods inherited from AnyRef
getClass, notify, notifyAll, wait, wait, wait, finalize, ==, !=, eq, ne, synchronized
Methods inherited from Any
==, !=, isInstanceOf, asInstanceOf
Method Details
def +=(element : A) : This
Append a single element to this buffer.
Parameters
elem - the element to append.
def +=:(element : A) : This
Prepend a single element to this buffer and return the identity of the buffer.
Parameters
elem - the element to prepend.
def update(n : Int, newelement : A) : Unit
Replace element at index n with the new element newelem.
Parameters
n - the index of the element to replace.
newelem - the new element.
Throws
IndexOutofBoundsException - if the index is not valid
def remove(n : Int) : A
Removes the element on a given index position.
Parameters
n - the index which refers to the element to delete.
Returns
the previous element
def clear : Unit
Clears the buffer contents.
Scala Library