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

   1 package net.sourceforge.phpdt.sql.view.bookmark;
   2
   3 import java.net.MalformedURLException;
   4
   5 import org.eclipse.swt.graphics.Image;
   6
   7 import net.sourceforge.phpdt.sql.model.Sequence;
   8 import net.sourceforge.phpdt.sql.sql.metadata.ObjectMetaData;
   9
  10 public class SequenceNode implements TreeNode, Comparable  {
  11     private GroupNode parent;
  12     private Sequence sequence;
  13
  14     public SequenceNode(GroupNode parent, Sequence sequence) {
  15         this.parent = parent;
  16         this.sequence = sequence;
  17     }
  18
  19         public ObjectMetaData getMetaData() {
  20                         return null;    //no metadata implementation for now
  21                 }
  22
  23         public Object[] getChildren() {
  24                 return Root.EMPTY_ARRAY;
  25         }
  26
  27         public Object getParent() {
  28                 return parent;
  29         }
  30
  31         public boolean hasChildren() {
  32                 return false;
  33         }
  34
  35         public String getName() {
  36                 return this.sequence.getQualifiedName();
  37         }
  38
  39         public String toString() {
  40                 return getName();
  41         }
  42
  43         public int compareTo(Object o) {
  44                 if (o instanceof SequenceNode) {
  45                         SequenceNode node = (SequenceNode) o;
  46                         return getName().compareTo(node.getName());
  47                 } else if (o instanceof TreeNode || o instanceof ViewNode) {
  48                         return 1;
  49                 }
  50                 return 0;
  51         }
  52         /**
  53          * @return an Image object to appear in the view
  54          * @throws MalformedURLException
  55          */
  56         public Image getImage() throws MalformedURLException {
  57                 if (parent instanceof GroupNode){
  58                         GroupNode group = (GroupNode) parent;
  59                         return group.getImage();
  60                 } else
  61                         return null;
  62         }
  63
  64         /**
  65          * @return the associated BookmarkNode, by navigating upwards in the tree
  66          */
  67         public BookmarkNode getBookmark() {
  68                 TreeNode node = parent;
  69                 while (!( node instanceof BookmarkNode))
  70                 {
  71                         node = (TreeNode) node.getParent();
  72                 }
  73                 return (BookmarkNode) node;
  74         }
  75
  76 }