Bug 31081 Double clicking in packages viewer expands/collapses tree node
Build I20030205 - preference double click open mode - show member of compilation unit - double click on a CU observe: tree node gets expanded
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerActionGroup.java
super.fillActionBars(actionBars);
		setGlobalActionHandlers(actionBars);
		fillToolBar(actionBars.getToolBarManager());
		fillViewMenu(actionBars.getMenuManager());		
	}
	 void updateActionBars(IActionBars actionBars) {
		actionBars.getToolBarManager().removeAll();
		actionBars.getMenuManager().removeAll();
		fillActionBars(actionBars);
		actionBars.updateActionBars();
	}
	private void setGlobalActionHandlers(IActionBars actionBars) {
		
		actionBars.setGlobalActionHandler(IWorkbenchActionConstants.GO_INTO, fZoomInAction);
		actionBars.setGlobalActionHandler(IWorkbenchActionConstants.BACK, fBackAction);
		actionBars.setGlobalActionHandler(IWorkbenchActionConstants.FORWARD, fForwardAction);
		actionBars.setGlobalActionHandler(IWorkbenchActionConstants.UP, fUpAction);
		actionBars.setGlobalActionHandler(IWorkbenchActionConstants.GO_TO_RESOURCE, fGotoResourceAction);
		actionBars.setGlobalActionHandler(JdtActionConstants.GOTO_TYPE, fGotoTypeAction);
		actionBars.setGlobalActionHandler(JdtActionConstants.GOTO_PACKAGE, fGotoPackageAction);
	}
	 void fillToolBar(IToolBarManager toolBar) {
		toolBar.add(fBackAction);
		toolBar.add(fForwardAction);
		toolBar.add(fUpAction);
		
		toolBar.add(new Separator());
		toolBar.add(fCollapseAllAction);
	}