archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/actions/PrevSequenceAction.java

   1 /*
   2  * Created on 22-jul-2003
   3  *
   4  */
   5 package com.quantum.actions;
   6
   7 import org.eclipse.ui.IViewPart;
   8
   9 import com.quantum.Messages;
  10 import com.quantum.QuantumPlugin;
  11 import com.quantum.adapters.DatabaseAdapter;
  12 import com.quantum.model.Bookmark;
  13 import com.quantum.sql.SQLResults;
  14 import com.quantum.view.ViewHelper;
  15 import com.quantum.view.bookmark.EntityNode;
  16 import com.quantum.view.tableview.TableView;
  17
  18 public class PrevSequenceAction extends BaseSequenceAction {
  19         /**
  20      * @param text
  21      * @param view
  22      */
  23     public PrevSequenceAction(IViewPart view) {
  24         super(Messages.getString(PrevSequenceAction.class.getName() + ".text"), view);
  25         setImageDescriptor(QuantumPlugin.getImageDescriptor("grid.gif"));
  26     }
  27
  28     public void run() {
  29                 EntityNode sequence = getEntityNode();
  30                 if (sequence.isSequence()) {
  31                         Bookmark bookmark = sequence.getBookmark();
  32                         DatabaseAdapter adapter = bookmark.getAdapter();
  33                         if (adapter == null) return;
  34                         String name = sequence.getName();
  35                         String query = adapter.getPrevValue(name, sequence.getEntity().getSchema());
  36                         SQLResults results = ViewHelper.tryGetResults(view, getConnection(), query);
  37                         if (results != null && ! results.isError())
  38                                 TableView.getInstance().loadQuery(bookmark, results);
  39                 }
  40         }
  41 }