Package com.intellij.openapi.actionSystem

Interface DataContext

All Known Implementing Classes:

CaretSpecificDataContext, DataContextWrapper, DataManagerImpl.MyDataContext, HackyDataContext, SimpleDataContext

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface DataContext

Allows an action to retrieve information about the context in which it was invoked.

See Also:

AnActionEvent.getDataContext(), PlatformDataKeys, DataKey, DataManager, DataProvider

Field Summary

Fields

Modifier and Type	Field and Description
static DataContext	EMPTY_CONTEXT

Method Summary

Modifier and Type	Method and Description
default <T> T	getData(DataKey<T> key) Returns the value corresponding to the specified data key.
java.lang.Object	getData(java.lang.String dataId) Returns the object corresponding to the specified data identifier.

Field Detail

EMPTY_CONTEXT

static final DataContext EMPTY_CONTEXT

Method Detail

getData

java.lang.Object getData(java.lang.String dataId)

Returns the object corresponding to the specified data identifier. Some of the supported data identifiers are defined in the PlatformDataKeys class.

Parameters:

dataId - the data identifier for which the value is requested.

Returns:

the value, or null if no value is available in the current context for this identifier.

getData

default <T> T getData(DataKey<T> key)

Returns the value corresponding to the specified data key. Some of the supported data identifiers are defined in the PlatformDataKeys class.

Parameters:

key - the data key for which the value is requested.

Returns:

the value, or null if no value is available in the current context for this identifier.