archive/net.sourceforge.phpeclipse.sql/src/net/sourceforge/phpdt/sql/view/bookmark/BookmarkNode.java

   1 package net.sourceforge.phpdt.sql.view.bookmark;
   2
   3 import java.util.Collections;
   4 import java.util.Vector;
   5
   6 import net.sourceforge.phpdt.sql.bookmarks.Bookmark;
   7
   8 public class BookmarkNode extends Bookmark implements TreeNode {
   9     private Vector children = new Vector();
  10
  11     public BookmarkNode() {
  12     }
  13
  14     public BookmarkNode(Bookmark bookmark) {
  15         super(bookmark);
  16     }
  17
  18         public Object[] getChildren() {
  19                 return children.toArray();
  20         }
  21
  22         public Object getParent() {
  23                 return Root.ROOT;
  24         }
  25
  26         public boolean hasChildren() {
  27                 if (children != null && children.size() > 0) {
  28                         return true;
  29                 }
  30                 return false;
  31         }
  32
  33         public void setChildren(Vector children) {
  34                 for (int i = 0; i <  children.size(); i++) {
  35                         Object obj = children.elementAt(i);
  36                         isValid(obj);
  37                 }
  38                 Collections.sort(children);
  39                 this.children = children;
  40         }
  41
  42         public void isValid(Object child) {
  43                 boolean valid = false;
  44                 if (child instanceof TableNode ||
  45                     child instanceof ViewNode ||
  46                     child instanceof SequenceNode) {
  47                         valid = true;
  48                 }
  49                 if (!valid) {
  50                         throw new RuntimeException("Invalid BookmarkNode child: " + child.getClass().getName());
  51                 }
  52         }
  53 }