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 com.quantum.Messages;
   8 import com.quantum.QuantumPlugin;
   9 import com.quantum.adapters.AdapterFactory;
  10 import com.quantum.adapters.DatabaseAdapter;
  11 import com.quantum.model.Bookmark;
  12 import com.quantum.sql.SQLResults;
  13 import com.quantum.view.ViewHelper;
  14 import com.quantum.view.bookmark.EntityNode;
  15 import com.quantum.view.tableview.TableView;
  16
  17 import org.eclipse.ui.IViewPart;
  18
  19 public class PrevSequenceAction extends BaseSequenceAction {
  20         /**
  21      * @param text
  22      * @param view
  23      */
  24     public PrevSequenceAction(IViewPart view) {
  25         super(Messages.getString(PrevSequenceAction.class.getName() + ".text"), view);
  26         setImageDescriptor(QuantumPlugin.getImageDescriptor("grid.gif"));
  27     }
  28
  29     public void run() {
  30                 EntityNode node = getEntityNode();
  31                 if (((EntityNode) node).isSequence()) {
  32             EntityNode sequence = (EntityNode) node;
  33                         Bookmark bookmark = sequence.getBookmark();
  34                         DatabaseAdapter adapter = AdapterFactory.getInstance().getAdapter(
  35                 bookmark.getType());
  36                         if (adapter == null) return;
  37                         String name = sequence.getName();
  38                         String query = adapter.getPrevValue(name, sequence.getEntity().getSchema());
  39                         SQLResults results = ViewHelper.tryGetResults(view, getConnection(), query);
  40                         if (results != null && ! results.isError())
  41                                 TableView.getInstance().loadQuery(bookmark, results);
  42                 }
  43         }
  44 }