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

   1 package com.quantum.view.bookmark;
   2
   3 import java.sql.SQLException;
   4
   5 import com.quantum.model.NotConnectedException;
   6 import com.quantum.ui.dialog.ExceptionDisplayDialog;
   7
   8 import org.eclipse.jface.viewers.ITreeContentProvider;
   9 import org.eclipse.jface.viewers.Viewer;
  10 import org.eclipse.swt.widgets.Shell;
  11 import org.eclipse.ui.IViewPart;
  12
  13 public class BookmarkContentProvider implements ITreeContentProvider {
  14
  15         private final IViewPart view;
  16
  17         public BookmarkContentProvider(IViewPart view) {
  18                 this.view = view;
  19         }
  20
  21
  22         public Object[] getChildren(Object element) {
  23                 if (element instanceof TreeNode) {
  24                         TreeNode node = (TreeNode) element;
  25                         try {
  26                                 return node.getChildren();
  27                         } catch (NotConnectedException e) {
  28                                 ExceptionDisplayDialog.openError(getShell(), null, null, e);
  29                         } catch (SQLException e) {
  30                                 ExceptionDisplayDialog.openError(getShell(), null, null, e);
  31                         }
  32                 }
  33                 return BookmarkListNode.EMPTY_ARRAY;
  34         }
  35         /**
  36          * @return
  37          */
  38         private Shell getShell() {
  39                 return this.view.getSite().getShell();
  40         }
  41
  42         public Object[] getElements(Object inputElement) {
  43                 return getChildren(inputElement);
  44         }
  45
  46         public Object getParent(Object element) {
  47                 if (element instanceof TreeNode) {
  48                         TreeNode node = (TreeNode) element;
  49                         return node.getParent();
  50                 }
  51                 return null;
  52         }
  53
  54         public boolean hasChildren(Object element) {
  55                 if (element instanceof TreeNode) {
  56                         TreeNode node = (TreeNode) element;
  57                         return node.hasChildren();
  58                 }
  59                 return false;
  60         }
  61
  62         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  63         }
  64
  65         public void dispose() {
  66         }
  67 }