eclipse - How do I hide Menu whose children are hidden? -


i have menus on main menu in eclipse 4 application project children contributed of fragments different plugins. have applied permissions on sub-menus according logged in user. problem after no sub-menu of menu has permission , none of them visible still menu visible. want hide menu. suggestions.

update: class model processor , plugin.xml

public class menuprocessor {   public menuprocessor(){}   @execute   public void execute(@named("application_luna.menu.contract(fo)") mmenu menu)   {      if(menu.getchildren().isempty())          menu.setvisible(false);   } } 
 <extension      id="com.swte.approval.ui.fragment"      point="org.eclipse.e4.workbench.model">   <fragment         uri="fragment.e4xmi">   </fragment>   <processor         apply="always"         beforefragment="false"         class="com.swte.approval.ui.menuprocessor1">   <element     id="application_luna.menu.contract(fo)">     </element>  </processor>

`

you processor on menu.

you declare processor in plugin.xml part of 'org.eclipse.e4.workbench.model' extension point.

<extension      id="playerfragment"      point="org.eclipse.e4.workbench.model">   ... other elmeents   <processor         beforefragment="false"         class="package.menuprocessor">      <element            id="menu.id">      </element>   </processor> </extension>

the declaration names class run , model element applies to.

the processor code inject named menu , make invisible if there no children. (not tested):

public class menuprocessor {   @inject @named("menu.id")   private mmenu menu;    @execute   public void execute()   {     if (menu.getchildren().isempty())       menu.setvisible(false);   }

note: must inject menu element field in class, specifying parameter on execute method not work. because element available injection when class constructed.


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