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java.lang.Objectjavax.swing.tree.DefaultMutableTreeNode
com.jgraph.graph.DefaultGraphCell
The default implementation for the GraphCell interface.
Nested Class Summary | |
static interface |
DefaultGraphCell.ValueChangeHandler
|
Field Summary | |
protected java.util.Map |
attributes
Hashtable for properties. |
Fields inherited from class javax.swing.tree.DefaultMutableTreeNode |
allowsChildren, children, EMPTY_ENUMERATION, parent, userObject |
Constructor Summary | |
DefaultGraphCell()
Creates an empty cell. |
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DefaultGraphCell(java.lang.Object userObject)
Creates a graph cell and initializes it with the specified user object. |
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DefaultGraphCell(java.lang.Object userObject,
boolean allowsChildren)
Creates a graph cell and initializes it with the specified user object. |
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DefaultGraphCell(java.lang.Object userObject,
javax.swing.tree.MutableTreeNode[] children)
Constructs a cell that holds a reference to the specified user object and contains the specified array of children. |
Method Summary | |
java.lang.Object |
clone()
Create a clone of the cell. |
protected java.lang.Object |
cloneUserObject()
Create a clone of the user object. |
java.util.Map |
getAttributes()
Returns the properies of the cell. |
java.util.List |
getChildren()
Provides access to the children list to change ordering. |
void |
setAttributes(java.util.Map change)
Apply change to the cell and sync userObject. |
void |
setUserObject(java.lang.Object obj)
Override parent method to synchronize value property and userObject. |
Methods inherited from class javax.swing.tree.DefaultMutableTreeNode |
add, breadthFirstEnumeration, children, depthFirstEnumeration, getAllowsChildren, getChildAfter, getChildAt, getChildBefore, getChildCount, getDepth, getFirstChild, getFirstLeaf, getIndex, getLastChild, getLastLeaf, getLeafCount, getLevel, getNextLeaf, getNextNode, getNextSibling, getParent, getPath, getPathToRoot, getPreviousLeaf, getPreviousNode, getPreviousSibling, getRoot, getSharedAncestor, getSiblingCount, getUserObject, getUserObjectPath, insert, isLeaf, isNodeAncestor, isNodeChild, isNodeDescendant, isNodeRelated, isNodeSibling, isRoot, pathFromAncestorEnumeration, postorderEnumeration, preorderEnumeration, remove, remove, removeAllChildren, removeFromParent, setAllowsChildren, setParent, toString |
Methods inherited from class java.lang.Object |
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
protected java.util.Map attributes
Constructor Detail |
public DefaultGraphCell()
public DefaultGraphCell(java.lang.Object userObject)
userObject
- an Object provided by the user that constitutes
the cell's datapublic DefaultGraphCell(java.lang.Object userObject, javax.swing.tree.MutableTreeNode[] children)
userObject
- reference to the user objectchildren
- array of childrenpublic DefaultGraphCell(java.lang.Object userObject, boolean allowsChildren)
userObject
- an Object provided by the user that constitutes
the cell's dataMethod Detail |
public void setUserObject(java.lang.Object obj)
GraphConstants.getValue(c.getAttributes()) == c.getUserObject()
Note: A cell's userObject can be set using GraphModel.edit() with a propertyMap that carries a value entry for that cell.
setUserObject
in interface javax.swing.tree.MutableTreeNode
public java.util.List getChildren()
Collections.EMPTY_LIST
if the list of children points to null
.
public java.util.Map getAttributes()
getAttributes
in interface GraphCell
public void setAttributes(java.util.Map change)
change
to the cell and sync userObject.
setAttributes
in interface GraphCell
public java.lang.Object clone()
protected java.lang.Object cloneUserObject()
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