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Java Source Code / Java Documentation » IDE Eclipse » ui » org.eclipse.ui.internal.navigator 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.eclipse.ui.internal.navigator.VisibilityAssistant

VisibilityAssistant
public class VisibilityAssistant implements IExtensionActivationListener(Code)
Stores information about programmatic bindings and activation settings.

Inner Class :public interface VisibilityListener


Constructor Summary
public  VisibilityAssistant(INavigatorViewerDescriptor aViewerDescriptor, INavigatorActivationService anActivationService)
     Create a visibility assistant for the given viewer descriptor.

Method Summary
public  voidaddListener(VisibilityListener aListener)
     Add a listener to be notified when the visibility or activation state associated with this assistant changes.
public  voidbindExtensions(String[] theExtensions, boolean isRoot)
    
public  voiddispose()
     Dispose of any resources held onto by this assistant.
public  booleanisActive(INavigatorContentDescriptor aContentDescriptor)
    
public  booleanisActive(String aContentExtensionId)
    
public  booleanisRootExtension(String aContentExtensionId)
     Return whether the given content extension is a root extension.
Parameters:
  aContentExtensionId - the id of the content extension.
public  booleanisVisible(INavigatorContentDescriptor aContentDescriptor)
    
public  booleanisVisible(String aContentExtensionId)
    
public  booleanisVisibleAndActive(INavigatorContentDescriptor aContentDescriptor)
    
public  voidonExtensionActivation(String aViewerId, String[] theNavigatorExtensionIds, boolean isActive)
    
public  voidremoveListener(VisibilityListener aListener)
     Remove a listener to be notified when the visibility or activation state associated with this assistant changes.


Constructor Detail
VisibilityAssistant
public VisibilityAssistant(INavigatorViewerDescriptor aViewerDescriptor, INavigatorActivationService anActivationService)(Code)
Create a visibility assistant for the given viewer descriptor.
Parameters:
  aViewerDescriptor - A non-nullviewer descriptor.
Parameters:
  anActivationService - The activation service associated with the content service.




Method Detail
addListener
public void addListener(VisibilityListener aListener)(Code)
Add a listener to be notified when the visibility or activation state associated with this assistant changes.
Parameters:
  aListener - a listener to be notified when the visibility or activationstate associated with this assistant changes.



bindExtensions
public void bindExtensions(String[] theExtensions, boolean isRoot)(Code)

Parameters:
  theExtensions - The extensions that should be made visible to the viewer.
Parameters:
  isRoot -



dispose
public void dispose()(Code)
Dispose of any resources held onto by this assistant.



isActive
public boolean isActive(INavigatorContentDescriptor aContentDescriptor)(Code)

Parameters:
  aContentDescriptor - The content descriptor of inquiry True if and only if the given extension is active
See Also:   INavigatorContentService
See Also:    For more information on what active
See Also:   means.
See Also:   INavigatorActivationService.activateExtensions(String[]boolean)
See Also:   INavigatorActivationService.deactivateExtensions(String[]boolean)



isActive
public boolean isActive(String aContentExtensionId)(Code)

Parameters:
  aContentExtensionId - The unique id of the content extension True if and only if the given extension is active
See Also:   INavigatorContentService
See Also:    For more information on what active
See Also:   means.
See Also:   INavigatorActivationService.activateExtensions(String[]boolean)
See Also:   INavigatorActivationService.deactivateExtensions(String[]boolean)



isRootExtension
public boolean isRootExtension(String aContentExtensionId)(Code)
Return whether the given content extension is a root extension.
Parameters:
  aContentExtensionId - the id of the content extension. whether the given content extension is a root extension



isVisible
public boolean isVisible(INavigatorContentDescriptor aContentDescriptor)(Code)

Parameters:
  aContentDescriptor - The content descriptor of inquiry True if and only if the given content extension is declarativelyor programmatically made visible to the viewer.
See Also:   INavigatorContentService.bindExtensions(String[]boolean)
See Also:    For more
See Also:   information on what visible means.



isVisible
public boolean isVisible(String aContentExtensionId)(Code)

Parameters:
  aContentExtensionId - The unique id of the content extension True if and only if the given content extension is declarativelyor programmatically made visible to the viewer.
See Also:   INavigatorContentService.bindExtensions(String[]boolean)
See Also:    For more
See Also:   information on what visible means.



isVisibleAndActive
public boolean isVisibleAndActive(INavigatorContentDescriptor aContentDescriptor)(Code)

Parameters:
  aContentDescriptor - The content descriptor of inquiry True if and only if the content descriptor is active andvisible for the viewer descriptor and enabled for thegiven element.



onExtensionActivation
public void onExtensionActivation(String aViewerId, String[] theNavigatorExtensionIds, boolean isActive)(Code)



removeListener
public void removeListener(VisibilityListener aListener)(Code)
Remove a listener to be notified when the visibility or activation state associated with this assistant changes.
Parameters:
  aListener - a listener to be notified when the visibility or activationstate associated with this assistant changes.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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