com.goldencode.p2j.ui

Class TreeNodeResource

java.lang.Object

com.goldencode.p2j.util.HandleResource

com.goldencode.p2j.ui.TreeNodeResource

All Implemented Interfaces:

Checkable, Nodes, TreeNodeFace, CommonHandle, Deletable, DynamicResource, InstantiatingProcedure, WrappedResource, Printable

Direct Known Subclasses:

TreeListNodeResource, TreeViewNodeResource

public abstract class TreeNodeResource
extends HandleResource
implements TreeNodeFace, DynamicResource

Tree Node resource implementation base class.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	bold Node bold
protected boolean	checked Node checked
private TreeNodeEntry.EditorMode	editorMode Indicates if the node label editor is active
private boolean	expanded Expanded flag
private int	expandIconId Expand icon id
private boolean	hasChildren Flag for leaf or non-leaf node
private int	iconId Icon id
private boolean	isExpandIconSetDirectly Indicates that the icon for expand nodes has been set directly via setExpandNodeIcon
protected java.lang.String	key Node key
protected int	nodeId Node id
protected TreeNodeCollectionResource	nodes Child nodes
protected TreeNodeResource	parent Node parent
private int	selectedIconId The icon id for the selected node
protected java.lang.String	tag Node tag
private java.lang.String	tooltip Node tooltip
protected TreeWidgetBase	tree The owning tree view.
private character	value Node value

Fields inherited from class com.goldencode.p2j.util.HandleResource

instProc, pm

Constructor Summary

Constructors

Constructor and Description
TreeNodeResource(TreeWidgetBase tree, int nodeId, java.lang.String key, TreeNodeResource parent) Constructor.

Method Summary

Modifier and Type	Method and Description
boolean	_dynamic() Returns true if the buffer is dynamic.
(package private) boolean	_getHasChildren() Getter for the hadChildren flag.
(package private) int	_getNodeId() Returns node id.
(package private) java.lang.String	_getNodeKey() Returns node key.
(package private) int	_getNodeLevel() Returns tree level of this node.
(package private) TreeNodeCollectionResource	_getNodes() Returns the collection of child nodes.
(package private) TreeNodeCollectionResource	_getNodes(boolean allocate) Returns the collection of child nodes.
(package private) TreeNodeResource	_getParent() Returns the node's parent.
(package private) boolean	_isNodeExpanded() Returns the node's expansion state.
(package private) void	_removeCollection() Recursively removes this collection from the tree.
(package private) void	_setExpandNodeIcon(int imgId) Sets expand node icon.
(package private) void	_setHasChildren(boolean value) Setter for the hadChildren flag.
(package private) void	_setNodeExpanded(boolean expanded) Expands or collapses the node.
(package private) void	_setNodeIcon(int imgId) Sets node's icon.
(package private) void	_setSelectedNodeIcon(int imgId) Sets icon for the selected node.
(package private) void	_setTooltip(java.lang.String tooltip) Assigns a tooltip to this node.
void	delete() Perform actual delete of an resource.
private boolean	descendsFrom(TreeNodeResource treeNodeResource) Test if this node descends from another node.
logical	dynamic() Checks whether the resource is dynamic or static.
void	ensureVisible() Makes this node visible.
abstract int	getBgColor() Returns the node's background color, if it was previously set with setBgColor(int).
handle	getChildNode() Gets its first child node.
integer	getChildren() Getter for the CHILDREN attribute.
TreeNodeEntry.EditorMode	getEditorMode() Returns its label editor state.
integer	getExpandNodeIcon() Getter for the EXPAND-NODE-ICON attribute.
abstract int	getFgColor() Returns the node's foreground color.
handle	getFirstSiblingNode() Gets its first sibling node.
character	getFullPath() Builds a string from node's labels separated by a backslash \ in the path from the root node to this node.
private static int	getIntIdPresentation(NumberType number) Gets the primitive integer presentation of the given number.
handle	getLastSiblingNode() Gets its last sibling node.
handle	getNextNode() Gets its next node that has the same parent.
integer	getNodeIcon() Getter for the NODE-ICON attribute.
integer	getNodeId() Every node is identified with a numeric node id.
integer	getNodeIndex() Getter for the NODE-INDEX attribute.
character	getNodeKey() Every node can also be identified with a textual key.
handle	getNodes() Returns child nodes collection, a wrapped resource of the type TreeNodeCollectionResource.
abstract character	getNodeText() Getter for the NODE-TEXT attribute.
private static integer	getNonegativeIntegerPresentation(int value) Gets the nonegative integer presentation of the given primitive integer value.
handle	getParentNode() Gets its parent node.
handle	getPreviousNode() Gets its previous node that has the same parent.
integer	getSelectedNodeIcon() Returns the global icon id for the selected tree node.
character	getTag() Returns node TAG attribute.
integer	getTreeNodeIndex() Gets a unique calculated index of this node.
character	getTreeNodeValue() Getter for the TREE-NODE-VALUE attribute.
boolean	isBold() Returns node BOLD attribute.
logical	isChecked() Returns node CHECKED attribute.
logical	isNodeExpanded() Getter for the NODE-EXPANDED attribute.
logical	isSelected() Gets the logical value of its SELECTED property including the drophighlight selected property.
logical	isVisible() Returns true if this node is visible (shown in the view).
protected void	loadFromEntry(TreeNodeEntry entry) Loads the state from the supplied instance of TreeNodeEntry.
void	print(PrintHelper printer) Add class-specific fields to the helper.
protected boolean	resourceDelete() Worker to be implemented by each resource.
protected abstract TreeNodeEntry	saveToEntry() The method serializes the node state into new config entry instance.
protected void	saveToEntry(TreeNodeEntry entry) The method serializes the node state into the supplied entry instance.
abstract void	setBgColor(int bgColor) Sets the node's background color.
void	setBold(logical bold) Sets node BOLD attribute.
void	setChecked(boolean checked) Sets node CHECKED attribute.
void	setChecked(logical checked) Sets node CHECKED attribute.
void	setEditorMode(TreeNodeEntry.EditorMode editorMode) Activates/hides its label editor.
void	setExpandNodeIcon(BaseDataType imageId) Setter for the EXPAND-NODE-ICON attribute.
void	setExpandNodeIcon(NumberType imageId) Setter for the EXPAND-NODE-ICON attribute.
abstract void	setFgColor(int fgColor) Sets the node's foreground color.
void	setNodeExpanded(logical value) Setter for the NODE-EXPANDED attribute.
void	setNodeIcon(BaseDataType imageId) Setter for the NODE-ICON attribute.
void	setNodeIcon(NumberType imageId) Setter for the NODE-ICON attribute.
void	setNodeKey(character newKey) Updates the node key and the tree according to new value.
abstract void	setNodeText(character value) Setter for the NODE-TEXT attribute.
void	setParentNode(handle newParent) Sets its parent node.
void	setSelected(logical selected) Sets the new logical value of its SELECTED property.
void	setSelectedNodeIcon(BaseDataType imageId) Sets the icon id for the selected tree node.
void	setSelectedNodeIcon(NumberType imageId) Sets the icon id for the selected tree node.
void	setTag(character tag) Sets node TAG attribute.
void	setTreeNodeValue(character value) Setter for the TREE-NODE-VALUE attribute.
boolean	valid() Reports if this object is valid for use.

Methods inherited from class com.goldencode.p2j.util.HandleResource

_instantiatingProcedure, addToPool, doDelete, equals, hashCode, id, id, implicitDeletion, incrementTrigger, instantiatingProcedure, invalidAttribute, processResource, readOnlyError, readOnlyError, registerResource, resourceType, setInstantiatingProcedure, toString, type, unableToAssignUnknown, unknown

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.goldencode.p2j.util.WrappedResource

id, id, unknown

Methods inherited from interface com.goldencode.util.Printable

asString

Methods inherited from interface com.goldencode.p2j.util.Deletable

allowDelete

Field Detail

bold

protected boolean bold

Node bold

checked

protected boolean checked

Node checked

key

protected java.lang.String key

Node key

nodeId

protected int nodeId

Node id

nodes

protected TreeNodeCollectionResource nodes

Child nodes

parent

protected TreeNodeResource parent

Node parent

tag

protected java.lang.String tag

Node tag

tree

protected TreeWidgetBase tree

The owning tree view.

editorMode

private TreeNodeEntry.EditorMode editorMode

Indicates if the node label editor is active

expanded

private boolean expanded

Expanded flag

expandIconId

private int expandIconId

Expand icon id

hasChildren

private boolean hasChildren

Flag for leaf or non-leaf node

iconId

private int iconId

Icon id

isExpandIconSetDirectly

private boolean isExpandIconSetDirectly

Indicates that the icon for expand nodes has been set directly via setExpandNodeIcon

selectedIconId

private int selectedIconId

The icon id for the selected node

tooltip

private java.lang.String tooltip

Node tooltip

value

private character value

Node value

Constructor Detail

TreeNodeResource

public TreeNodeResource(TreeWidgetBase tree,
                        int nodeId,
                        java.lang.String key,
                        TreeNodeResource parent)

Constructor.

Parameters:

tree - Owning tree view.

nodeId - Node id.

key - Node key.

parent - Node parent.

Method Detail

getIntIdPresentation

private static final int getIntIdPresentation(NumberType number)

Gets the primitive integer presentation of the given number.

Parameters:

number - The given number

Returns:

The primitive integer presentation

getNonegativeIntegerPresentation

private static final integer getNonegativeIntegerPresentation(int value)

Gets the nonegative integer presentation of the given primitive integer value.

Parameters:

value - The given primitive integer value

Returns:

The nonegative integer presentation or unknown.

_dynamic

public boolean _dynamic()

Returns true if the buffer is dynamic.

This is not emitted by conversion, is used internally by FWD.

Specified by:

_dynamic in interface DynamicResource

Returns:

true if the resource is dynamic, false otherwise.

delete

public void delete()

Perform actual delete of an resource. At the time of this call, it is assumed the resource is valid for deletion (the handle and the resource are both valid).

The method first calls resourceDelete(), if the method returns false, the deletion is aborted.

Specified by:

delete in interface Deletable

Overrides:

delete in class HandleResource

dynamic

public logical dynamic()

Checks whether the resource is dynamic or static.

Specified by:

dynamic in interface DynamicResource

Returns:

true if the resource is dynamic, false otherwise.

ensureVisible

public void ensureVisible()

Makes this node visible.

Specified by:

ensureVisible in interface TreeNodeFace

getBgColor

public abstract int getBgColor()

Returns the node's background color, if it was previously set with setBgColor(int). Until the widget is realized the method returns undefined value. The returned color value is compatible with the P4GL color binary format, i.e. BGR encoding.

Returns:

background color

getChildNode

public handle getChildNode()

Gets its first child node.

Specified by:

getChildNode in interface TreeNodeFace

Returns:

The first child node.

getChildren

public integer getChildren()

Getter for the CHILDREN attribute.

Specified by:

getChildren in interface TreeNodeFace

Returns:

The count of its child nodes if there is any one, otherwise 0.

getEditorMode

public TreeNodeEntry.EditorMode getEditorMode()

Returns its label editor state.

Specified by:

getEditorMode in interface TreeNodeFace

Returns:

Its label editor state.

getExpandNodeIcon

public integer getExpandNodeIcon()

Getter for the EXPAND-NODE-ICON attribute. The attribute holds the id of the image displayed as the expanded icon.

Specified by:

getExpandNodeIcon in interface TreeNodeFace

Returns:

the attribute value.

getFgColor

public abstract int getFgColor()

Returns the node's foreground color. Until the widget is realized the method returns undefined value. The returned color value is compatible with the P4GL color binary format, i.e. BGR encoding.

Returns:

foreground color

getFirstSiblingNode

public handle getFirstSiblingNode()

Gets its first sibling node.

Specified by:

getFirstSiblingNode in interface TreeNodeFace

Returns:

The first sibling node.

getFullPath

public character getFullPath()

Builds a string from node's labels separated by a backslash \ in the path from the root node to this node.

Specified by:

getFullPath in interface TreeNodeFace

Returns:

The character presentation of this node branch in the tree.

getLastSiblingNode

public handle getLastSiblingNode()

Gets its last sibling node.

Specified by:

getLastSiblingNode in interface TreeNodeFace

Returns:

The last sibling node.

getNextNode

public handle getNextNode()

Gets its next node that has the same parent.

Specified by:

getNextNode in interface TreeNodeFace

Returns:

The next node.

getNodeIcon

public integer getNodeIcon()

Getter for the NODE-ICON attribute. The attribute holds the id of the image displayed as the leaf-node or collapsed icon, depending whether this is a leaf-node or not.

Specified by:

getNodeIcon in interface TreeNodeFace

Returns:

the attribute value.

getNodeId

public integer getNodeId()

Every node is identified with a numeric node id. The id is unique in the scope of the TREEVIEW widget. The id is assigned automatically during node creation.

Specified by:

getNodeId in interface TreeNodeFace

Returns:

the node id.

getNodeIndex

public integer getNodeIndex()

Getter for the NODE-INDEX attribute. The attribute holds the index position of the node in its owning node collection (i.e. nodes at one tree level).

Specified by:

getNodeIndex in interface TreeNodeFace

Returns:

the attribute value.

getNodeKey

public character getNodeKey()

Every node can also be identified with a textual key. The key is constructed by the caller when node is created. The caller must ensure its uniqueness in the scope of the widget.

Specified by:

getNodeKey in interface TreeNodeFace

Returns:

the node key.

getNodes

public handle getNodes()

Returns child nodes collection, a wrapped resource of the type TreeNodeCollectionResource.

Specified by:

getNodes in interface Nodes

Returns:

see above.

getNodeText

public abstract character getNodeText()

Getter for the NODE-TEXT attribute. The attribute holds the text displayed on the node in the widget.

Specified by:

getNodeText in interface TreeNodeFace

Returns:

the attribute value.

getParentNode

public handle getParentNode()

Gets its parent node.

Specified by:

getParentNode in interface TreeNodeFace

Returns:

The parent node.

getPreviousNode

public handle getPreviousNode()

Gets its previous node that has the same parent.

Specified by:

getPreviousNode in interface TreeNodeFace

Returns:

The previous node.

getSelectedNodeIcon

public integer getSelectedNodeIcon()

Returns the global icon id for the selected tree node.

Specified by:

getSelectedNodeIcon in interface TreeNodeFace

Returns:

The global icon id for the selected tree node

getTag

public character getTag()

Returns node TAG attribute.

Specified by:

getTag in interface TreeNodeFace

Returns:

node TAG attribute.

getTreeNodeIndex

public integer getTreeNodeIndex()

Gets a unique calculated index of this node. This index must be 1-based and it defines a node position within all nodes of the tree. The index of the node is persistent unless some nodes are removed. In this case this value is recalculated. A new added node doesn't change indices of the existed nodes.

Specified by:

getTreeNodeIndex in interface TreeNodeFace

Returns:

The calculated tree node position, 1-based index.

getTreeNodeValue

public character getTreeNodeValue()

Getter for the TREE-NODE-VALUE attribute. Every node can be assigned an arbitrary value. This value has no meaning to the widget itself.

Specified by:

getTreeNodeValue in interface TreeNodeFace

Returns:

the attribute value.

isBold

public boolean isBold()

Returns node BOLD attribute.

Specified by:

isBold in interface TreeNodeFace

Returns:

node BOLD attribute.

isChecked

public logical isChecked()

Returns node CHECKED attribute.

Specified by:

isChecked in interface Checkable

Returns:

node CHECKED attribute.

isNodeExpanded

public logical isNodeExpanded()

Getter for the NODE-EXPANDED attribute.

Specified by:

isNodeExpanded in interface TreeNodeFace

Returns:

the attribute value.

isSelected

public logical isSelected()

Gets the logical value of its SELECTED property including the drophighlight selected property.

Specified by:

isSelected in interface TreeNodeFace

Returns:

The current value, TRUE indicates the node is selected, FALSE that it is not.

setBgColor

public abstract void setBgColor(int bgColor)

Sets the node's background color. The method expects argument compatible with the P4GL color binary format, i.e. BGR encoding.

Parameters:

bgColor - New background color.

setBold

public void setBold(logical bold)

Sets node BOLD attribute.

Specified by:

setBold in interface TreeNodeFace

Parameters:

bold - the new attribute state

setChecked

public void setChecked(boolean checked)

Sets node CHECKED attribute.

Specified by:

setChecked in interface Checkable

Parameters:

checked - the new attribute state

setChecked

public void setChecked(logical checked)

Sets node CHECKED attribute.

Specified by:

setChecked in interface Checkable

Parameters:

checked - the new attribute state

setEditorMode

public void setEditorMode(TreeNodeEntry.EditorMode editorMode)

Activates/hides its label editor.

Specified by:

setEditorMode in interface TreeNodeFace

Parameters:

editorMode - The new editor state

setExpandNodeIcon

public void setExpandNodeIcon(BaseDataType imageId)

Setter for the EXPAND-NODE-ICON attribute. The attribute holds the id of the image displayed as the expanded icon. The image must be first created with the call to TreeFace.createImage(character) or built-in image ids can be used. For more details see TreeFace.createSubNode(com.goldencode.p2j.util.NumberType, com.goldencode.p2j.util.character, com.goldencode.p2j.util.character, com.goldencode.p2j.util.logical, com.goldencode.p2j.util.NumberType, com.goldencode.p2j.util.NumberType, com.goldencode.p2j.util.integer).

Specified by:

setExpandNodeIcon in interface TreeNodeFace

Parameters:

imageId - the attribute value.

setExpandNodeIcon

public void setExpandNodeIcon(NumberType imageId)

Setter for the EXPAND-NODE-ICON attribute. The attribute holds the id of the image displayed as the expanded icon. The image must be first created with the call to TreeFace.createImage(character) or built-in image ids can be used. For more details see TreeFace.createSubNode(com.goldencode.p2j.util.NumberType, com.goldencode.p2j.util.character, com.goldencode.p2j.util.character, com.goldencode.p2j.util.logical, com.goldencode.p2j.util.NumberType, com.goldencode.p2j.util.NumberType, com.goldencode.p2j.util.integer).

Specified by:

setExpandNodeIcon in interface TreeNodeFace

Parameters:

imageId - the attribute value.

setFgColor

public abstract void setFgColor(int fgColor)

Sets the node's foreground color. The method expects argument compatible with the P4GL color binary format, i.e. BGR encoding.

Parameters:

fgColor - New foreground color.

setNodeExpanded

public void setNodeExpanded(logical value)

Setter for the NODE-EXPANDED attribute.

Specified by:

setNodeExpanded in interface TreeNodeFace

Parameters:

value - the new attribute value.

setNodeIcon

public void setNodeIcon(BaseDataType imageId)

Setter for the NODE-ICON attribute. The attribute holds the id of the image displayed as the leaf-node or collapsed icon, depending whether this is a leaf-node or not. The image must be first created with the call to TreeFace.createImage(character) or built-in image ids can be used. For more details see TreeFace.createSubNode(com.goldencode.p2j.util.NumberType, com.goldencode.p2j.util.character, com.goldencode.p2j.util.character, com.goldencode.p2j.util.logical, com.goldencode.p2j.util.NumberType, com.goldencode.p2j.util.NumberType, com.goldencode.p2j.util.integer).

Specified by:

setNodeIcon in interface TreeNodeFace

Parameters:

imageId - the attribute value.

setNodeIcon

public void setNodeIcon(NumberType imageId)

Setter for the NODE-ICON attribute. The attribute holds the id of the image displayed as the leaf-node or collapsed icon, depending whether this is a leaf-node or not. The image must be first created with the call to TreeFace.createImage(character) or built-in image ids can be used. For more details see TreeFace.createSubNode(com.goldencode.p2j.util.NumberType, com.goldencode.p2j.util.character, com.goldencode.p2j.util.character, com.goldencode.p2j.util.logical, com.goldencode.p2j.util.NumberType, com.goldencode.p2j.util.NumberType, com.goldencode.p2j.util.integer).

Specified by:

setNodeIcon in interface TreeNodeFace

Parameters:

imageId - the attribute value.

setNodeKey

public void setNodeKey(character newKey)

Updates the node key and the tree according to new value. If this value represents a key value for a different tree node, then the error is thrown and this tree node is not updated.

Specified by:

setNodeKey in interface TreeNodeFace

Parameters:

newKey - The node key

setNodeText

public abstract void setNodeText(character value)

Setter for the NODE-TEXT attribute.

Specified by:

setNodeText in interface TreeNodeFace

Parameters:

value - the new attribute value.

setParentNode

public void setParentNode(handle newParent)

Sets its parent node. This node always added as the parent's first child.

Specified by:

setParentNode in interface TreeNodeFace

Parameters:

newParent - the new parent node

setSelected

public void setSelected(logical selected)

Sets the new logical value of its SELECTED property.

Specified by:

setSelected in interface TreeNodeFace

Parameters:

selected - The new value to set, TRUE indicates the node is selected, FALSE that it is not.

setSelectedNodeIcon

public void setSelectedNodeIcon(BaseDataType imageId)

Sets the icon id for the selected tree node. If the images list is used, then the given imageId is 1-based index within its images list.

Specified by:

setSelectedNodeIcon in interface TreeNodeFace

Parameters:

imageId - The image id for the selected tree node

setSelectedNodeIcon

public void setSelectedNodeIcon(NumberType imageId)

Sets the icon id for the selected tree node.

Specified by:

setSelectedNodeIcon in interface TreeNodeFace

Parameters:

imageId - The image id for the selected tree node

setTag

public void setTag(character tag)

Sets node TAG attribute.

Specified by:

setTag in interface TreeNodeFace

Parameters:

tag - the new attribute state

isVisible

public logical isVisible()

Returns true if this node is visible (shown in the view).

Specified by:

isVisible in interface TreeNodeFace

Returns:

See above.

setTreeNodeValue

public void setTreeNodeValue(character value)

Setter for the TREE-NODE-VALUE attribute. Every node can be assigned an arbitrary value. This value has no meaning to the widget itself.

Specified by:

setTreeNodeValue in interface TreeNodeFace

Parameters:

value - the new attribute value.

valid

public boolean valid()

Reports if this object is valid for use.

Specified by:

valid in interface WrappedResource

Returns:

true if we are valid (can be used).

_getHasChildren

final boolean _getHasChildren()

Getter for the hadChildren flag.

Returns:

value The flag value.

_getNodeId

final int _getNodeId()

Returns node id.

Returns:

node id.

_getNodeKey

final java.lang.String _getNodeKey()

Returns node key.

Returns:

node key.

_getNodeLevel

final int _getNodeLevel()

Returns tree level of this node. The root nodes are at level 0, children at level 1, etc. If this node is the tree root, then return -1.

Returns:

see above.

_getNodes

final TreeNodeCollectionResource _getNodes()

Returns the collection of child nodes.

Returns:

see above.

_getNodes

final TreeNodeCollectionResource _getNodes(boolean allocate)

Returns the collection of child nodes.

Parameters:

allocate - Allocates the collection resource if needed.

Returns:

see above.

_getParent

final TreeNodeResource _getParent()

Returns the node's parent.

Returns:

parent node.

_isNodeExpanded

final boolean _isNodeExpanded()

Returns the node's expansion state.

Returns:

The expansion flag.

_removeCollection

final void _removeCollection()

Recursively removes this collection from the tree. The resource is deleted together with the child collections and nodes recursively..

_setExpandNodeIcon

final void _setExpandNodeIcon(int imgId)

Sets expand node icon.

Parameters:

imgId - Image id.

_setHasChildren

final void _setHasChildren(boolean value)

Setter for the hadChildren flag.

Parameters:

value - New flag value.

_setNodeExpanded

final void _setNodeExpanded(boolean expanded)

Expands or collapses the node.

Parameters:

expanded - The new state.

_setNodeIcon

final void _setNodeIcon(int imgId)

Sets node's icon.

Parameters:

imgId - Image id.

_setSelectedNodeIcon

final void _setSelectedNodeIcon(int imgId)

Sets icon for the selected node.

Parameters:

imgId - Image id.

_setTooltip

final void _setTooltip(java.lang.String tooltip)

Assigns a tooltip to this node.

Parameters:

tooltip - A tooltip string.

loadFromEntry

protected void loadFromEntry(TreeNodeEntry entry)

Loads the state from the supplied instance of TreeNodeEntry.

Parameters:

entry - A valid TreeNodeEntry instance.

resourceDelete

protected boolean resourceDelete()

Worker to be implemented by each resource. Called by delete().

Overrides:

resourceDelete in class HandleResource

Returns:

true if the resource was deleted.

saveToEntry

protected abstract TreeNodeEntry saveToEntry()

The method serializes the node state into new config entry instance.

Returns:

new instance of TreeNodeEntry.

saveToEntry

protected void saveToEntry(TreeNodeEntry entry)

The method serializes the node state into the supplied entry instance.

Parameters:

entry - Instance of TreeNodeEntry.

print

public void print(PrintHelper printer)

Add class-specific fields to the helper. The subclasses are supposed to override this method to add their own field info. The default implementation does nothing.

Specified by:

print in interface Printable

Parameters:

printer - the string helper to update

descendsFrom

private final boolean descendsFrom(TreeNodeResource treeNodeResource)

Test if this node descends from another node.

Parameters:

treeNodeResource - the other node

Returns:

see above