Overview (Nodes API) - NetBeans API Javadoc (Current Development Version)

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org.openide.nodes 7.0

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Nodes API
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Description

Nodes API

org.openide.cookies Cookies are a design pattern used to add behaviors to existing data object and nodes, or to separate implementation from the main object.

org.openide.nodes NetBeans uses nodes to represent JavaBeans or other property containers, formed into a hierarchical tree.

org.openide.util.actions

Nodes API
org.openide.cookies	Cookies are a design pattern used to add behaviors to existing data object and nodes, or to separate implementation from the main object.
org.openide.nodes	NetBeans uses nodes to represent JavaBeans or other property containers, formed into a hierarchical tree.
org.openide.util.actions

What is New (see all changes)?

Nov 6 '06 CookieSet can hold any objects and not just cookies
New method CookieSet.createGeneric has been added. It allows to create an instance of CookieSet that can contain any object, not just Cookies. This addition change is accompanied with two additional changes: CookieSet now implements Lookup.Provider and thus has a method getLookup to allow queries for of its content. Also there is a new method assign(clazz, instances) that allows to add/remove plain old java objects to the CookieSet.
Aug 18 '06 BeanNode constructor allows passing Lookup instance
Adding a new constructors to BeanNode, allowing subclasses to pass context Lookup.
Jul 14 '05 AbstractNode allows using different icon extensions
Adding possibility for AbstractNode to use PNG files as icons. Adding new final method setIconBaseWithExtension(String baseExt) which replaces the original method for manipulating icon base, setIconBase(String). The original (now deprecated) method stil works the same way, using ".gif" as extension The original method setIconBase(String) delegates to the new one, using the default extension.
Feb 13 '04 FilterNode allows controlling delegation of getValue/setValue calls
From this version, the FilterNode by default delegates all getValue(String) and setValue(String, Object) calls the to the original node. Also, FilterNode now exports two new constants, FilterNode.DELEGATE_SET_VALUE and FilterNode.DELEGATE_GET_VALUE, which can be used to control the delegation of the above mentioned methods.
Jul 16 '03 InplaceEditor interface added to APIs, some deprecations in property sheet rewrite
New interface that allows a property editor to supply an inline editor for the new property sheet added, as part of merging the new property sheet. A method, registerInplaceEditorFactory() has been added to PropertyEnv to allow modules to supply an inplace editor globally for all properties of a given type; also, Node.Property objects may supply a custom inplace editor instance via the hint "inplaceEditor" in getValue(String).
PropertySheetSettings is an old SystemOption subclass that offers settings that affect the display of the property sheet. These settings are irrelevant to the new property sheet.

In order to provide some performance optimizations, it was necessary to un-final the class PropertyEnv. However, it should be treated as final outside the package - there should never be a need to subclass it. A note has been added to its javadoc to this effect.

A non-normative hint may now be supplied by instances of Node.PropertySet to return a localized display name for a tab which the property sheet should use for displaying that and any other property sets which share the name: "tabName".

Use Cases

Exported Interfaces

This table lists all of the module exported APIs with defined stability classifications. It is generated based on answers to questions about the architecture of the module. Read them all...

Group of java interfaces

Interface Name	In/Out	Stability	Specified in What Document?
NodesAPI	Exported	Official	.../org/openide/nodes/doc-files/api.html

Group of property interfaces

Interface Name	In/Out	Stability	Specified in What Document?
propertiesHelpID	Exported	Stable	For providing help sets for JavaBeans proerties
expertHelpID	Exported	Stable	For providing help sets for JavaBeans properties

Implementation Details

Read more about the implementation in the answers to architecture questions.