Eclipse Platform
Release 3.1

org.eclipse.ui
Class ActiveShellExpression

java.lang.Object
  extended byorg.eclipse.core.expressions.Expression
      extended byorg.eclipse.ui.ActiveShellExpression

public final class ActiveShellExpression
extends Expression

An expression that checks the active shell variable. The variable names is ISources.ACTIVE_SHELL_NAME and falls back to ISources.ACTIVE_WORKBENCH_WINDOW. That is, if the active shell doesn't match, then it will be allowed to match the active workbench window.

Since:
3.1

Field Summary
static int SOURCES
          The sources value to use with this expression.
 
Fields inherited from class org.eclipse.core.expressions.Expression
ATT_VALUE, FALSE, TRUE
 
Constructor Summary
ActiveShellExpression(Shell activeShell)
          Constructs a new instance of ActiveShellExpression
 
Method Summary
 EvaluationResult evaluate(IEvaluationContext context)
          Evaluates this expression.
 String toString()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

SOURCES

public static final int SOURCES
The sources value to use with this expression.

See Also:
Constant Field Values
Constructor Detail

ActiveShellExpression

public ActiveShellExpression(Shell activeShell)
Constructs a new instance of ActiveShellExpression

Parameters:
activeShell - The shell to match with the active shell; null if it will match any active shell.
Method Detail

evaluate

public final EvaluationResult evaluate(IEvaluationContext context)
Evaluates this expression. If the active shell defined by the context matches the shell from this expression, then this evaluates to EvaluationResult.TRUE. Similarly, if the active workbench window shell defined by the context matches the shell from this expression, then this evaluates to EvaluationResult.TRUE.

Specified by:
evaluate in class Expression
Parameters:
context - The context from which the current state is determined; must not be null.
Returns:
EvaluationResult.TRUE if the shell is active; EvaluationResult.FALSE otherwise.

toString

public final String toString()

Eclipse Platform
Release 3.1

Guidelines for using Eclipse APIs.

Copyright (c) IBM Corp. and others 2000, 2005. All rights reserved.