Package org.eclipse.help.ui.internal
Class DynamicHelpAction
java.lang.Object
org.eclipse.help.ui.internal.DynamicHelpAction
- All Implemented Interfaces:
IActionDelegate
,IWorkbenchWindowActionDelegate
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionvoid
dispose()
Disposes this action delegate.void
init
(IWorkbenchWindow window) Initializes this action delegate with the workbench window it will work in.void
Performs this action.void
selectionChanged
(IAction action, ISelection selection) Notifies this action delegate that the selection in the workbench has changed.
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Constructor Details
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DynamicHelpAction
public DynamicHelpAction()
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Method Details
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dispose
public void dispose()Description copied from interface:IWorkbenchWindowActionDelegate
Disposes this action delegate. The implementor should unhook any references to itself so that garbage collection can occur.- Specified by:
dispose
in interfaceIWorkbenchWindowActionDelegate
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init
Description copied from interface:IWorkbenchWindowActionDelegate
Initializes this action delegate with the workbench window it will work in.- Specified by:
init
in interfaceIWorkbenchWindowActionDelegate
- Parameters:
window
- the window that provides the context for this delegate
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run
Description copied from interface:IActionDelegate
Performs this action.This method is called by the proxy action when the action has been triggered. Implement this method to do the actual work.
Note: If the action delegate also implements
IActionDelegate2
, then this method is not invoked but instead therunWithEvent(IAction, Event)
method is called.- Specified by:
run
in interfaceIActionDelegate
- Parameters:
action
- the action proxy that handles the presentation portion of the action
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selectionChanged
Description copied from interface:IActionDelegate
Notifies this action delegate that the selection in the workbench has changed.Implementers can use this opportunity to change the availability of the action or to modify other presentation properties.
When the selection changes, the action enablement state is updated based on the criteria specified in the plugin.xml file. Then the delegate is notified of the selection change regardless of whether the enablement criteria in the plugin.xml file is met.
- Specified by:
selectionChanged
in interfaceIActionDelegate
- Parameters:
action
- the action proxy that handles presentation portion of the actionselection
- the current selection, ornull
if there is no selection.
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