Index: TopComponent.java
===================================================================
RCS file: /cvs/openide/src/org/openide/windows/TopComponent.java,v
retrieving revision 1.108
diff -c -r1.108 TopComponent.java
*** TopComponent.java	22 Nov 2003 00:11:18 -0000	1.108
--- TopComponent.java	15 Dec 2003 16:02:57 -0000
***************
*** 88,94 ****
       * it from active view (on the current workspace).
       * @deprecated Do not use. It is redundant since workspaces are not supported anymore. */
      public static final int CLOSE_LAST = 1;
!      
      /** a lock for operations in default impl of getLookup */
      private static Object defaultLookupLock = new Object ();
      
--- 88,102 ----
       * it from active view (on the current workspace).
       * @deprecated Do not use. It is redundant since workspaces are not supported anymore. */
      public static final int CLOSE_LAST = 1;
!     
!     /** Persistence type of TopComponent instance. TopComponent is persistent. */
!     public static final int PERSISTENCE_ALWAYS = 0;
!     /** Persistence type of TopComponent instance. TopComponent is persistent only when
!      * it is opened in Mode. */
!     public static final int PERSISTENCE_ONLY_OPENED = 1;
!     /** Persistence type of TopComponent instance. TopComponent is not persistent. */
!     public static final int PERSISTENCE_NEVER = 2;
!     
      /** a lock for operations in default impl of getLookup */
      private static Object defaultLookupLock = new Object ();
      
***************
*** 125,131 ****
          // #27731 TopComponent itself shouldn't get the focus.
          // XXX What to do in case nothing in TopComponent is focusable?
          setFocusable(false);
-         
          initActionMap();
      }
      
--- 133,138 ----
***************
*** 220,225 ****
--- 227,252 ----
          WindowManager.getDefault().topComponentActivatedNodesChanged(this, this.activatedNodes);
          
          firePropertyChange("activatedNodes", old, this.activatedNodes); // NOI18N
+     }
+     
+     /**
+      * Overwrite when you want to change default persistence type. Default
+      * persistence type is PERSISTENCE_ALWAYS.
+      * Return value should be constant over a given TC's lifetime.
+      * @return one of P_X constants
+      */
+     public int getPersistenceType() {
+         //First check for 'PersistenceType' client property for compatibility.
+         String propValue = (String) getClientProperty("PersistenceType");
+         if (propValue == null) {
+             return PERSISTENCE_ALWAYS;
+         } else if ("Never".equals(propValue)) {
+             return PERSISTENCE_NEVER;
+         } else if ("OnlyOpened".equals(propValue)) {
+             return PERSISTENCE_ONLY_OPENED;
+         } else {
+             return PERSISTENCE_ALWAYS;
+         }
      }
  
      /** Get the undo/redo support for this component.