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com.virtuosotechnologies.lib.basiccommand.builder
Class AbstractBranchBuilderNode  

java.lang.Object
  com.virtuosotechnologies.lib.basiccommand.builder.AbstractBuilderNode
      com.virtuosotechnologies.lib.basiccommand.builder.AbstractBranchBuilderNode

All Implemented Interfaces:

com.virtuosotechnologies.lib.command.CommandNodeListener, java.util.EventListener, com.virtuosotechnologies.lib.propertyset.PropertySetListener

Direct Known Subclasses:

AbstractContainerElementBuilderNode, AbstractGroupBuilderNode

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public abstract class AbstractBranchBuilderNode

extends AbstractBuilderNode

implements com.virtuosotechnologies.lib.command.CommandNodeListener

A skeletal implementation for builder nodes with children. Provides accessors for children as well as position finding. Subclasses need to implement createChildNode() to create child nodes corresponding to child CommandNodes. Subclasses also need to implement the add/set/removeElements methods, as well as getCardinality().

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Field Summary
private  java.util.List	children_

 

Fields inherited from class com.virtuosotechnologies.lib.basiccommand.builder.AbstractBuilderNode

END_POSITION

 

Fields inherited from interface com.virtuosotechnologies.lib.command.CommandNodeListener

ALL_CHILDREN_REMOVED_METHOD, CHILD_ADDED_METHOD, CHILD_REMOVED_METHOD

 

Fields inherited from interface com.virtuosotechnologies.lib.propertyset.PropertySetListener

PROPERTYSET_CHANGED_METHOD

 

Constructor Summary
protected	AbstractBranchBuilderNode(com.virtuosotechnologies.lib.command.CommandNode commandNode, AbstractBranchBuilderNode parent, int index)           Constructor

 

Method Summary
protected abstract  void	addElementAt(int pos, java.lang.Object element)           Override this to insert a element at a position.
void	allChildrenRemoved(com.virtuosotechnologies.lib.command.AllChildrenRemovedEvent ev)           All children removed.
protected  void	buildChildren()           Build children.
void	childAdded(com.virtuosotechnologies.lib.command.ChildAddedEvent ev)           Child added.
void	childRemoved(com.virtuosotechnologies.lib.command.ChildRemovedEvent ev)           Child removed.
protected abstract  AbstractBuilderNode	createChildNode(com.virtuosotechnologies.lib.command.CommandNode cn, int index)           Create a child node.
protected  AbstractBuilderNode	getChild(com.virtuosotechnologies.lib.command.CommandNode cn)           Get a child given a CommandNode
protected  AbstractBuilderNode	getChild(int index)           Get a child given an index
protected  java.util.List	getChildren()           Get an unmodifiable view of the list of children
protected  int	getNumChildren()           Get number of children
protected  int	getPosition(AbstractBuilderNode child)           Get the starting position of a particular child
protected  int	getPosition(int index)           Get the starting position at a particular index
(package private)  void	internalAddChild(AbstractBuilderNode node)           Used only by AbstractBuilderNode
(package private)  void	internalAddChild(int index, AbstractBuilderNode node)           Used only by AbstractBuilderNode
protected abstract  void	removeAllElements()           Override this to remove all child elements.
protected  void	removeChildElements(AbstractBuilderNode child)           Helper method that removes elements within the specified child's area of influence (position and cardinality)
protected abstract  void	removeElementAt(int pos)           Override this to remove an indexed element.
protected  void	setElementAt(int pos, java.lang.Object element)           Override this to set the element at a position.

 

Methods inherited from class com.virtuosotechnologies.lib.basiccommand.builder.AbstractBuilderNode

decGrayLevel, decMaskLevel, disabledStateChanged, dump, getCardinality, getCommandNode, getParent, hiddenStateChanged, incGrayLevel, incMaskLevel, isDisabled, isHidden, propertySetChanged

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

children_

private java.util.List children_

Constructor Detail

AbstractBranchBuilderNode

protected AbstractBranchBuilderNode(com.virtuosotechnologies.lib.command.CommandNode commandNode,
                                    AbstractBranchBuilderNode parent,
                                    int index)

Constructor

Method Detail

internalAddChild

final void internalAddChild(AbstractBuilderNode node)

Used only by AbstractBuilderNode

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internalAddChild

final void internalAddChild(int index,
                            AbstractBuilderNode node)

Used only by AbstractBuilderNode

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buildChildren

protected final void buildChildren()

Build children. Call this from the constructor of nodes that can have children. Assumes that the node has no children to start off.

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getPosition

protected final int getPosition(AbstractBuilderNode child)

Get the starting position of a particular child

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getPosition

protected final int getPosition(int index)

Get the starting position at a particular index

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getChild

protected final AbstractBuilderNode getChild(int index)

Get a child given an index

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getChild

protected final AbstractBuilderNode getChild(com.virtuosotechnologies.lib.command.CommandNode cn)

Get a child given a CommandNode

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getNumChildren

protected final int getNumChildren()

Get number of children

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getChildren

protected final java.util.List getChildren()

Get an unmodifiable view of the list of children

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removeChildElements

protected final void removeChildElements(AbstractBuilderNode child)

Helper method that removes elements within the specified child's area of influence (position and cardinality)

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createChildNode

protected abstract AbstractBuilderNode createChildNode(com.virtuosotechnologies.lib.command.CommandNode cn,
                                                       int index)

Create a child node. Return null if no child is to be created.

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addElementAt

protected abstract void addElementAt(int pos,
                                     java.lang.Object element)

Override this to insert a element at a position.

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setElementAt

protected void setElementAt(int pos,
                            java.lang.Object element)

Override this to set the element at a position. Default implementation calls removeElementAt followed by addElementAt.

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removeElementAt

protected abstract void removeElementAt(int pos)

Override this to remove an indexed element.

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removeAllElements

protected abstract void removeAllElements()

Override this to remove all child elements.

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childAdded

public void childAdded(com.virtuosotechnologies.lib.command.ChildAddedEvent ev)

Child added. Default method creates a child node, which may result in elements being added.

Specified by:

childAdded in interface com.virtuosotechnologies.lib.command.CommandNodeListener

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childRemoved

public void childRemoved(com.virtuosotechnologies.lib.command.ChildRemovedEvent ev)

Child removed. Default method removes the child node and removes the elements within the child's area of influence.

Specified by:

childRemoved in interface com.virtuosotechnologies.lib.command.CommandNodeListener

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allChildrenRemoved

public void allChildrenRemoved(com.virtuosotechnologies.lib.command.AllChildrenRemovedEvent ev)

All children removed. Default method removes all children and all elements under this node.

Specified by:

allChildrenRemoved in interface com.virtuosotechnologies.lib.command.CommandNodeListener

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> com >> virtuosotechnologies >> lib >> basiccommand >> [ builder overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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