[Bprocessor-commit] model/src/net/sourceforge/bprocessor/model Selection.java,1.2,1.3

[Michael L. <he...@us...>]

Update of /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv24505/src/net/sourceforge/bprocessor/model

Modified Files:
	Selection.java 
Log Message:
- Selection.iterator()
- Observer interface for selection

Index: Selection.java
===================================================================
RCS file: /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model/Selection.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** Selection.java	6 Jan 2006 10:03:49 -0000	1.2
--- Selection.java	6 Jan 2006 10:31:56 -0000	1.3
***************
*** 10,13 ****
--- 10,16 ----
  import java.util.Collection;
  import java.util.HashSet;
+ import java.util.Iterator;
+ import java.util.LinkedList;
+ import java.util.List;
  
  /**
***************
*** 20,23 ****
--- 23,29 ----
    private Collection selection;
    
+   /** The observers */
+   private List observers;
+   
    /** The primary selection */
    private static Selection primary = new Selection();
***************
*** 37,40 ****
--- 43,56 ----
      super();
      selection = new HashSet();
+     observers = new LinkedList();
+   }
+   
+   /**
+    * Return true if object is contained in this Selection
+    * @param object The object
+    * @return True if object is contained in this Selection
+    */
+   public boolean contains(Object object) {
+     return selection.contains(object);
    }
    
***************
*** 45,48 ****
--- 61,65 ----
    public void add(Object object) {
      selection.add(object);
+     changed();
    }
    
***************
*** 53,65 ****
    public void remove(Object object) {
      selection.remove(object);
!   }
!   
!   /**
!    * Return true if object is contained in this Selection
!    * @param object The object
!    * @return True if object is contained in this Selection
!    */
!   public boolean contains(Object object) {
!     return selection.contains(object);
    }
    
--- 70,74 ----
    public void remove(Object object) {
      selection.remove(object);
!     changed();
    }
    
***************
*** 69,72 ****
--- 78,82 ----
    public void clear() {
      selection.clear();
+     changed();
    }
    
***************
*** 78,83 ****
--- 88,130 ----
      clear();
      add(object);
+     changed();
    }
    
+   /**
+    * Return an iterator
+    * @return An iterator
+    */
+   public Iterator iterator() {
+     return selection.iterator();
+   }
+   
+   /**
+    * Add observer
+    * @param observer The observer
+    */
+   public void addObserver(Observer observer) {
+     observers.add(observer);
+   }
+   
+   /**
+    * Remove observer
+    * @param observer The observer
+    */
+   public void removeObserver(Observer observer) {
+     observers.remove(observer);
+   }
+  
+   /**
+    * Tell observers to update because this selection has changed
+    */
+   public void changed() {
+     Iterator iter = observers.iterator();
+     while (iter.hasNext()) {
+       Observer current = (Observer) iter.next();
+       current.update(this);
+     }
+   }
+   
+   
    
  }