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 import com.quantum.ui.dialog.SQLExceptionDialog;
   8
   9 import org.eclipse.jface.viewers.ITreeContentProvider;
  10 import org.eclipse.jface.viewers.Viewer;
  11 import org.eclipse.swt.widgets.Shell;
  12 import org.eclipse.ui.IViewPart;
  13
  14 public class BookmarkContentProvider implements ITreeContentProvider {
  15
  16         private final IViewPart view;
  17
  18         public BookmarkContentProvider(IViewPart view) {
  19                 this.view = view;
  20         }
  21
  22
  23         public Object[] getChildren(Object element) {
  24                 if (element != null && element instanceof TreeNode) {
  25                         TreeNode node = (TreeNode) element;
  26                         try {
  27                                 return node.getChildren();
  28                         } catch (NotConnectedException e) {
  29                                 ExceptionDisplayDialog.openError(getShell(), null, null, e);
  30                         } catch (SQLException e) {
  31                                 SQLExceptionDialog.openException(getShell(), node.getBookmark(), e);
  32                         }
  33                 }
  34                 return BookmarkListNode.EMPTY_ARRAY;
  35         }
  36         /**
  37          * @return
  38          */
  39         private Shell getShell() {
  40                 return this.view.getSite().getShell();
  41         }
  42
  43         public Object[] getElements(Object inputElement) {
  44                 return getChildren(inputElement);
  45         }
  46
  47         public Object getParent(Object element) {
  48                 if (element instanceof TreeNode) {
  49                         TreeNode node = (TreeNode) element;
  50                         return node.getParent();
  51                 }
  52                 return null;
  53         }
  54
  55         public boolean hasChildren(Object element) {
  56                 if (element instanceof TreeNode) {
  57                         TreeNode node = (TreeNode) element;
  58                         return node.hasChildren();
  59                 }
  60                 return false;
  61         }
  62
  63         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  64         }
  65
  66         public void dispose() {
  67         }
  68 }