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Eclipse Plug-in Developer Guide
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Eclipse Platform
Release 3.5

Package org.eclipse.core.databinding

Provides classes for binding observable objects, for example UI widgets and model objects.


Class Summary
AggregateValidationStatus This class can be used to aggregate status values from a data binding context into a single status value.
Binding This abstract class represents a binding between a model and a target.
BindingProperties A factory for creating properties for core types in the DataBinding framework e.g.
DataBindingContext A DataBindingContext is the point of contact for the creation and management of bindings, and aggregates validation statuses of its bindings, or more generally, its validation status providers.
ObservablesManager An observables manager can be used for lifecycle management of IObservable objects.
UpdateListStrategy Customizes a Binding between two observable lists.
UpdateSetStrategy Customizes a Binding between two observable sets.
UpdateValueStrategy Customizes a Binding between two observable values.
ValidationStatusProvider A validation status provider tracks the state of zero or more target observables and zero or more model observables and produces a validation result.

Exception Summary
BindingException An unchecked exception indicating a binding problem.

Package org.eclipse.core.databinding Description

Provides classes for binding observable objects, for example UI widgets and model objects.

Package Specification

This package provides classes that can be used to synchronize state between pairs of observable objects with optional data type conversion and validation.

A DataBindingContext is used to manage a list of Bindings with their validation results.

Concrete subclasses of Binding synchronize state between two observables, called the target observable and the model observable. Usually, the binding will first copy the current state of the model observable to the target observable and from then on track changes on both sides, reacting to changes on one side by performing the corresponding change on the other side.

For each binding, two UpdateValueStrategy or UpdateListStrategy objects (one for each direction) is used to control how the binding should synchronize, and can be used to specify data type converters and validators.

AggregateValidationStatus allows clients to aggregate the current validation statuses of a list of bindings, typically obtained from a data binding context.

For advanced validation, conversion, or similar requirements that affect the way state is copied from one side to the other, subclasses of UpdateValueStrategy or UpdateListStrategy can be created.

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.

  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire