archive/net.sourceforge.phpeclipse.sql/src/net/sourceforge/phpdt/sql/actions/DeleteColumnAction.java

   1 package net.sourceforge.phpdt.sql.actions;
   2
   3 import java.util.Iterator;
   4
   5 import org.eclipse.jface.action.Action;
   6 import org.eclipse.jface.action.IAction;
   7 import org.eclipse.jface.dialogs.MessageDialog;
   8 import org.eclipse.jface.viewers.ISelection;
   9 import org.eclipse.jface.viewers.StructuredSelection;
  10 import org.eclipse.ui.IViewActionDelegate;
  11 import org.eclipse.ui.IViewPart;
  12
  13 import net.sourceforge.phpdt.sql.Messages;
  14 import net.sourceforge.phpdt.sql.view.SubsetView;
  15 import net.sourceforge.phpdt.sql.view.bookmark.ColumnMetaData;
  16
  17 /**
  18  * Deletes the selected columns from the Subset items (Tables)
  19  * @author root
  20  *
  21  */
  22 public class DeleteColumnAction extends Action implements IViewActionDelegate  {
  23         SubsetView view;
  24         /**
  25          * @see org.eclipse.ui.IViewActionDelegate#init(IViewPart)
  26          */
  27         public void init(IViewPart view) {
  28                 this.view = (SubsetView) view;
  29         }
  30
  31         /**
  32          * @see org.eclipse.ui.IActionDelegate#run(IAction)
  33          */
  34         public void run(IAction action) {
  35                 run();
  36         }
  37
  38         public void run() {
  39                 StructuredSelection selection = view.getSelection();
  40                 Iterator iter = selection.iterator();
  41                 if (! MessageDialog.openConfirm(view.getSite().getShell(),
  42                                                 Messages.getString("DeleteColumnAction.DeleteColumns"),  //$NON-NLS-1$
  43                                                 Messages.getString("DeleteColumnAction.ConfirmDeleteColumns") )) //$NON-NLS-1$
  44                         return;
  45
  46                 while (iter.hasNext()) {
  47                         Object current = iter.next();
  48                         if (current instanceof ColumnMetaData) {
  49                                 ColumnMetaData column = (ColumnMetaData) current;
  50                                 if (column != null) {
  51                                                 view.deleteColumn(column);
  52                                 }
  53                         }
  54                 }
  55         }
  56
  57         /**
  58          * @see org.eclipse.ui.IActionDelegate#selectionChanged(IAction, ISelection)
  59          */
  60         public void selectionChanged(IAction action, ISelection selection) {
  61         }
  62
  63 }