Eclipse GMF Guide (Galileo) - AbstractActionFilterProvider (Eclipse GMF Documentation)

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org.eclipse.gmf.runtime.common.ui.services.action.filter
Class AbstractActionFilterProvider

java.lang.Object
  

org.eclipse.gmf.runtime.common.core.service.AbstractProvider
      
org.eclipse.gmf.runtime.common.ui.services.action.filter.AbstractActionFilterProvider

All Implemented Interfaces:: IProvider, org.eclipse.gmf.runtime.common.ui.services.action.internal.filter.IActionFilterProvider, IActionFilter

Direct Known Subclasses:: AbstractModelActionFilterProvider

public abstract class AbstractActionFilterProvider
extends AbstractProvider
implements org.eclipse.gmf.runtime.common.ui.services.action.internal.filter.IActionFilterProvider
extends AbstractProvider
implements org.eclipse.gmf.runtime.common.ui.services.action.internal.filter.IActionFilterProvider

The parent of all action filter providers. Defines useful constants and behavior for retrieving the current workbench selection.

Field Summary

protected static java.lang.String ENABLEMENT_VALUE
          The attribute value indicating an enablement test.

protected static java.lang.String VISIBILITY_VALUE
          The attribute value indicating a visibility test.

Constructor Summary

protected AbstractActionFilterProvider ()
          Constructs a new action filter provider.

Method Summary

protected ISelection getSelection ()
          Retrieves the selection from selection service of the active workbench window.

protected IStructuredSelection getStructuredSelection ()
          Retrieves the selection as a structured selection.

Methods inherited from class org.eclipse.gmf.runtime.common.core.service. AbstractProvider

addProviderChangeListener, fireProviderChange, removeProviderChangeListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.ui. IActionFilter

testAttribute

Methods inherited from interface org.eclipse.gmf.runtime.common.core.service. IProvider

addProviderChangeListener, provides, removeProviderChangeListener

Field Detail

ENABLEMENT_VALUE

protected static final java.lang.String ENABLEMENT_VALUE

The attribute value indicating an enablement test.

See Also:: Constant Field Values

VISIBILITY_VALUE

protected static final java.lang.String VISIBILITY_VALUE

The attribute value indicating a visibility test.

See Also:: Constant Field Values

Constructor Detail

AbstractActionFilterProvider

protected AbstractActionFilterProvider()

Constructs a new action filter provider.

Method Detail

getSelection

protected 
ISelection getSelection()

Retrieves the selection from selection service of the active workbench window.

Returns:: The current workbench selection.

getStructuredSelection

protected 
IStructuredSelection getStructuredSelection()

Retrieves the selection as a structured selection.

Returns:: The current workbench selection if it is a structured selection; an empty structured selection otherwise.