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Eclipse Platform
Release 3.0

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org.eclipse.ui
Class SelectionEnabler

java.lang.Object
  org.eclipse.ui.SelectionEnabler

public final class SelectionEnabler

extends Object

Determines the enablement status given a selection. This calculation is done based on the definition of the enablesFor attribute, enablement element, and the selection element found in the IConfigurationElement provided.

This class can be instantiated by clients. It is not intended to be extended.

Since:

3.0 Note: The dependency on org.eclipse.jface.text for ITextSelection must be severed It may be possible to do with IActionFilter generic workbench registers IActionFilter for "size" property against IStructuredSelection workbench text registers IActionFilter for "size" property against ITextSelection code here: sel.getAdapter(IActionFilter.class) As an interim solution, use reflection to access selections implementing ITextSelection Note: several public fields and methods - decide which should be API

Nested Class Summary

static class

SelectionEnabler.SelectionClass

Field Summary

static int	ANY_NUMBER
static int	MULTIPLE
static int	NONE
static int	NONE_OR_ONE
static int	ONE_OR_MORE
static int	UNKNOWN

Constructor Summary

SelectionEnabler(IConfigurationElement configElement)
Create a new instance of the receiver.

Method Summary

boolean	isEnabledForSelection(ISelection selection) Check if the receiver is enabled for the given selection.
static boolean	verifyNameMatch(String name, String filter) Verifies that the given name matches the given wildcard filter.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

UNKNOWN

public static final int UNKNOWN

See Also:

Constant Field Values

ONE_OR_MORE

public static final int ONE_OR_MORE

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Constant Field Values

ANY_NUMBER

public static final int ANY_NUMBER

See Also:

Constant Field Values

NONE_OR_ONE

public static final int NONE_OR_ONE

See Also:

Constant Field Values

NONE

public static final int NONE

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Constant Field Values

MULTIPLE

public static final int MULTIPLE

See Also:

Constant Field Values

Constructor Detail

SelectionEnabler

public SelectionEnabler(IConfigurationElement configElement)

Create a new instance of the receiver.

Parameters:

configElement -

Method Detail

isEnabledForSelection

public boolean isEnabledForSelection(ISelection selection)

Check if the receiver is enabled for the given selection.

Parameters:

selection -

Returns:

true if the given selection matches the conditions specified in IConfirgurationElement.

verifyNameMatch

public static boolean verifyNameMatch(String name,
                                      String filter)

Verifies that the given name matches the given wildcard filter. Returns true if it does.

Parameters:

name -

filter -

Returns:

true if there is a match