Containers


1   package org.enhydra.barracuda.testbed.workbench.util.gui;
2   
3   import java.awt.Container  ;
4   import java.awt.Component  ;
5   
6   
7   /**
8    * Container utilities
9    */
10  public class Containers {
11  
12      /**
13       * This method finds the root container given a starting component
14       *
15       * @param comp
16       * @return the root Container or null if the Component argument is null
17       */
18      public static Container   getRootContainer(Component   comp) {
19          if (comp==null) return null;
20          return getRootContainer(comp.getParent());
21      }
22  
23      /**
24       * This method finds the root container given a starting container
25       *
26       * @param cont      The container in question
27       * @return the root Container or null if the Container argument is null
28       */
29      public static Container   getRootContainer(Container   cont) {
30  
31          //eliminate the obvious
32          if (cont==null) return null;
33  
34          Container   parent = cont.getParent();
35          if (parent!=null) return getRootContainer(parent);
36          else return cont;
37      }
38  
39  }
40

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