Examples of org.eclipse.ui.actions.ActionContext

org.eclipse.ui.actions.ActionContext
An ActionContext represents the context used to determine which actions are added by an ActionGroup, and what their enabled state should be.
This class encapsulates a selection and an input element. Clients may subclass this class to add more information to the context.

        } else {
            action = new WorkingSetFindAction(fSite,
                    new FindReferencesInWorkingSetAction(fSite, workingSets),
                    SearchUtil.toString(workingSets));
        }
        final ActionContext context = getContext();
        if (context != null) {
            action.update(context.getSelection());
        }
        addAction(action, manager);
    }

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    @Override
    protected void fillContextMenu(final IMenuManager mgr) {
        super.fillContextMenu(mgr);
        addSortActions(mgr);
        fActionGroup.setContext(new ActionContext(getSite().getSelectionProvider()
                .getSelection()));
        fActionGroup.fillContextMenu(mgr);
    }

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        } else {
            action = new WorkingSetFindAction(fSite,
                    new FindReferencesInWorkingSetAction(fSite, workingSets),
                    SearchUtil.toString(workingSets));
        }
        final ActionContext context = getContext();
        if (context != null) {
            action.update(context.getSelection());
        }
        addAction(action, manager);
    }

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        // if (ErlideUtil.isTest()) {
        // menu.prependToGroup(IContextMenuConstants.GROUP_OPEN, testAction);
        // }
        addCommonActions(menu);
        final ActionContext context = new ActionContext(getSelectionProvider()
                .getSelection());
        fContextMenuGroup.setContext(context);
        fContextMenuGroup.fillContextMenu(menu);
        fContextMenuGroup.setContext(null);
    }

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    }


    protected void contextMenuAboutToShow(final IMenuManager menu) {
        ErlideUIPlugin.createStandardGroups(menu);
        final IStructuredSelection selection = (IStructuredSelection) getSelection();
        fActionGroups.setContext(new ActionContext(selection));
        fActionGroups.fillContextMenu(menu);
    }

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        menu.prependToGroup(ITextEditorActionConstants.GROUP_OPEN, fShowOutline);
        addCommonActions(menu);


        menu.appendToGroup(ITextEditorActionConstants.GROUP_FIND, callhierarchy);


        final ActionContext context = new ActionContext(getSelectionProvider()
                .getSelection());
        fContextMenuGroup.setContext(context);
        fContextMenuGroup.fillContextMenu(menu);
        fContextMenuGroup.setContext(null);
    }

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        initDragAndDrop();
        
        mActions.fillActionBars(getViewSite().getActionBars());
        
        mActions.setContext(new ActionContext(
                mTreeViewer.getSelection()));
        
        mActions.updateActionBars();
    }

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            public void menuAboutToShow(IMenuManager manager)
            {
                IStructuredSelection selection = (IStructuredSelection) mTreeViewer
                        .getSelection();
                
                mActions.setContext(new ActionContext(selection));
                mActions.fillContextMenu(manager);
            }
        });
        
        Menu menu = menuManager.createContextMenu(mTreeViewer.getTree());

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        mTreeViewer.addSelectionChangedListener(new ISelectionChangedListener()
        {
            public void selectionChanged(SelectionChangedEvent event)
            {
                mActions.setContext(new ActionContext(event.getSelection()));
                
                mActions.updateActionBars();
            }
        });

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     *
     * @param mgr the menuManager manager representing the context menuManager
     */
    protected void fillContextMenu(IMenuManager mgr) {
        super.fillContextMenu(mgr);
        actionGroup.setContext(new ActionContext(getSite().getSelectionProvider().getSelection()));
        actionGroup.fillContextMenu(mgr);
    }

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