de.matthias_burbach.mosaique.swing
Class BaseMutableTreeNode

java.lang.Object
  javax.swing.tree.DefaultMutableTreeNode
      de.matthias_burbach.mosaique.swing.BaseMutableTreeNode

All Implemented Interfaces:

java.lang.Cloneable, javax.swing.tree.MutableTreeNode, java.io.Serializable, javax.swing.tree.TreeNode

Direct Known Subclasses:

AbstractFileItemNode

public abstract class BaseMutableTreeNode

extends javax.swing.tree.DefaultMutableTreeNode

Is a base class for tree nodes which need to initialize child nodes explicitly and lazily.

Author:

Matthias Burbach

See Also:

Serialized Form

Field Summary

Fields inherited from class javax.swing.tree.DefaultMutableTreeNode

allowsChildren, children, EMPTY_ENUMERATION, parent, userObject

Constructor Summary

BaseMutableTreeNode()

Method Summary

protected void	assertChildrenAreInitialized() Initializes this object if it hasn't been yet.
protected boolean	childrenAreInitialized()
int	getChildCount()
java.lang.Object[]	getChildren() Introduced to support usage of this class in the Eclipse context.
protected abstract void	initChildren() Initializes the children nodes of this node.
boolean	isErroneous()
boolean	isLeaf()

Methods inherited from class javax.swing.tree.DefaultMutableTreeNode

add, breadthFirstEnumeration, children, clone, depthFirstEnumeration, getAllowsChildren, getChildAfter, getChildAt, getChildBefore, getDepth, getFirstChild, getFirstLeaf, getIndex, getLastChild, getLastLeaf, getLeafCount, getLevel, getNextLeaf, getNextNode, getNextSibling, getParent, getPath, getPathToRoot, getPreviousLeaf, getPreviousNode, getPreviousSibling, getRoot, getSharedAncestor, getSiblingCount, getUserObject, getUserObjectPath, insert, isNodeAncestor, isNodeChild, isNodeDescendant, isNodeRelated, isNodeSibling, isRoot, pathFromAncestorEnumeration, postorderEnumeration, preorderEnumeration, remove, remove, removeAllChildren, removeFromParent, setAllowsChildren, setParent, setUserObject, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseMutableTreeNode

public BaseMutableTreeNode()

Method Detail

initChildren

protected abstract void initChildren()

Initializes the children nodes of this node.

getChildCount

public int getChildCount()

isLeaf

public boolean isLeaf()

getChildren

public java.lang.Object[] getChildren()

Introduced to support usage of this class in the Eclipse context.

Returns:

The child notes of this node.

isErroneous

public boolean isErroneous()

Returns:

Signals that the node has discovered an error related to this node. Can be used to display the error state, for example. The default returned is false. Can be overridden.

childrenAreInitialized

protected boolean childrenAreInitialized()

Returns:

Whether children have already been initialized.

assertChildrenAreInitialized

protected void assertChildrenAreInitialized()

Initializes this object if it hasn't been yet.