biz.hammurapi.swing
Class LazyTreeNode
java.lang.Object
biz.hammurapi.swing.LazyTreeNode
- All Implemented Interfaces:
- Visitable, javax.swing.tree.TreeNode
- Direct Known Subclasses:
- AstVisualizable, LazyTreeNodeTableVisualizable
public abstract class LazyTreeNode
- extends java.lang.Object
- implements javax.swing.tree.TreeNode, Visitable
Base class for tree nodes which load their children on demand.
Subclasses shall implement loadChildren() method.
- Author:
- Pavel
Field Summary |
protected java.lang.String |
description
|
protected static java.util.List |
EMPTY_LIST
|
protected java.lang.String |
name
|
protected javax.swing.tree.TreeNode |
parent
|
Constructor Summary |
|
LazyTreeNode(javax.swing.tree.TreeNode parent)
|
|
LazyTreeNode(javax.swing.tree.TreeNode parent,
java.lang.String name)
|
protected |
LazyTreeNode(javax.swing.tree.TreeNode parent,
java.lang.String name,
java.util.List children)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
name
protected java.lang.String name
parent
protected javax.swing.tree.TreeNode parent
description
protected java.lang.String description
EMPTY_LIST
protected static final java.util.List EMPTY_LIST
LazyTreeNode
public LazyTreeNode(javax.swing.tree.TreeNode parent,
java.lang.String name)
LazyTreeNode
protected LazyTreeNode(javax.swing.tree.TreeNode parent,
java.lang.String name,
java.util.List children)
LazyTreeNode
public LazyTreeNode(javax.swing.tree.TreeNode parent)
toString
public java.lang.String toString()
- Overrides:
toString
in class java.lang.Object
accept
public boolean accept(Visitor visitor)
- Visits only children if they are loaded.
- Specified by:
accept
in interface Visitable
- Returns:
- visitor.vistit()
getChildren
protected java.util.List getChildren()
loadChildren
protected abstract java.util.List loadChildren()
- Loads node children.
- Returns:
children
public java.util.Enumeration children()
- Specified by:
children
in interface javax.swing.tree.TreeNode
getAllowsChildren
public boolean getAllowsChildren()
- Specified by:
getAllowsChildren
in interface javax.swing.tree.TreeNode
getChildAt
public javax.swing.tree.TreeNode getChildAt(int childIndex)
- Specified by:
getChildAt
in interface javax.swing.tree.TreeNode
getChildCount
public int getChildCount()
- Specified by:
getChildCount
in interface javax.swing.tree.TreeNode
getIndex
public int getIndex(javax.swing.tree.TreeNode node)
- Specified by:
getIndex
in interface javax.swing.tree.TreeNode
getParent
public javax.swing.tree.TreeNode getParent()
- Specified by:
getParent
in interface javax.swing.tree.TreeNode
isLeaf
public boolean isLeaf()
- Specified by:
isLeaf
in interface javax.swing.tree.TreeNode
isSelectable
public boolean isSelectable()
getDescription
public java.lang.String getDescription()
- Returns:
- Text for rendering tooltip.
Copyright © 2003 Hammurapi Group. All Rights Reserved.