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.Vector;
   4
   5 import org.eclipse.core.runtime.CoreException;
   6
   7 import net.sourceforge.phpdt.sql.bookmarks.Bookmark;
   8 import net.sourceforge.phpdt.sql.sql.metadata.ObjectMetaData;
   9
  10 public class BookmarkNode extends Bookmark implements TreeNode {
  11     private Vector children = new Vector();
  12     public ObjectMetaData getMetaData() {
  13         return null;    //no metadata implementation for now
  14     }
  15     public BookmarkNode() {
  16     }
  17
  18     public BookmarkNode(Bookmark bookmark) {
  19         super(bookmark);
  20     }
  21
  22         public Object[] getChildren() {
  23                 return children.toArray();
  24         }
  25
  26         public Object getParent() {
  27                 return Root.ROOT;
  28         }
  29
  30         public boolean hasChildren() {
  31                 if (children != null && children.size() > 0) {
  32                         return true;
  33                 }
  34                 return false;
  35         }
  36
  37         public void setChildren(Vector children) {
  38                 for (int i = 0; i <  children.size(); i++) {
  39                         Object obj = children.elementAt(i);
  40                         isValid(obj);
  41                 }
  42                 this.children = children;
  43         }
  44
  45         public void isValid(Object child) {
  46                 boolean valid = false;
  47                 if (child instanceof TableNode ||
  48                     child instanceof ViewNode ||
  49                     child instanceof SequenceNode ||
  50                     child instanceof GroupNode) {
  51                         valid = true;
  52                 }
  53                 if (!valid) {
  54                         throw new RuntimeException("Invalid BookmarkNode child: " + child.getClass().getName()); //$NON-NLS-1$
  55                 }
  56         }
  57
  58         public void dispose() throws CoreException {
  59                 if (isConnected()) {
  60             disconnect();
  61         }
  62         }
  63
  64         /**
  65          * Finds a child of the BookmarkNode with the said name
  66          * @param name
  67          * @return the TreeNode found. null if none
  68          */
  69         public TreeNode find(String name){
  70                 for (int i = 0; i <  children.size(); i++) {
  71                         Object obj = children.elementAt(i);
  72                         if (obj instanceof TreeNode){
  73                                 TreeNode node = (TreeNode) obj;
  74                                 if (name.equals(node.getName())) return node;
  75                         }
  76                 }
  77                 return null;
  78         }
  79
  80 }