archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/bookmark/QueryListNode.java

   1 package com.quantum.view.bookmark;
   2
   3 import java.beans.PropertyChangeEvent;
   4 import java.beans.PropertyChangeListener;
   5
   6 import com.quantum.Messages;
   7
   8 /**
   9  * @author BC
  10  */
  11 public class QueryListNode extends TreeNode implements PropertyChangeListener {
  12
  13     /**
  14      * @param parent
  15      */
  16     public QueryListNode(TreeNode parent) {
  17         super(parent);
  18         getBookmark().addPropertyChangeListener(this);
  19     }
  20
  21     /**
  22      * @see com.quantum.view.bookmark.TreeNode#getChildren()
  23      */
  24     public Object[] getChildren() {
  25         initializeChildren();
  26         return (TreeNode[]) this.children.toArray(new TreeNode[this.children.size()]);
  27     }
  28
  29     protected void initializeChildren() {
  30         this.children.clear();
  31         String[] queries = getBookmark().getQueries();
  32         for (int i = 0, length = (queries == null) ? 0 : queries.length;
  33             i < length;
  34             i++) {
  35             this.children.add(new QueryNode(this, queries[i]));
  36         }
  37     }
  38
  39     /**
  40      * @see com.quantum.view.bookmark.TreeNode#hasChildren()
  41      */
  42     public boolean hasChildren() {
  43         return getBookmark().getQueries().length > 0;
  44     }
  45
  46     /**
  47      * @see com.quantum.view.bookmark.TreeNode#getName()
  48      */
  49     public String getName() {
  50         return Messages.getString(getClass().getName() + ".labelName");
  51     }
  52
  53     /**
  54      * @see com.quantum.view.bookmark.TreeNode#getImageName()
  55      */
  56     protected String getImageName() {
  57         return "group.gif";
  58     }
  59
  60     /**
  61      * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
  62      */
  63     public void propertyChange(PropertyChangeEvent event) {
  64         if ("queries".equals(event.getPropertyName())) {
  65             firePropertyChange("queries", null, null);
  66         }
  67     }
  68     /**
  69      * @see com.quantum.view.bookmark.TreeNode#dispose()
  70      */
  71     protected void dispose() {
  72         getBookmark().removePropertyChangeListener(this);
  73         super.dispose();
  74     }
  75
  76 }