Beispiel #1
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  /**
   * Gets the current selection.
   *
   * <p>Ensures entities are returned in the same order as are viewed.
   *
   * @param <Q> the type of the rows.
   * @param table the table.
   * @param tableModel the table model.
   * @return the selected entities.
   * @see #getSelection(JTable, GlazedTableModel, List)
   */
  public static <Q> List<Q> getSelection(JTable table, GlazedTableModel tableModel) {

    Assert.notNull(table, TableUtils.TABLE);
    Assert.notNull(tableModel, TableUtils.TABLE_MODEL);

    final List<Integer> modelIndexes = TableUtils.getSelectedModelIndexes(table);

    return TableUtils.getSelection(table, tableModel, modelIndexes);
  }
Beispiel #2
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  /**
   * Gets the model index for a given row index.
   *
   * @param table the table.
   * @param viewIndex the view index.
   * @return the model index.
   * @see #getViewIndex(JTable, Integer)
   */
  public static Integer getModelIndex(JTable table, Integer viewIndex) {

    Assert.notNull(table, TableUtils.TABLE);
    Assert.notNull(viewIndex, "viewIndex");

    if (viewIndex < 0) {
      return viewIndex;
    } else {
      return table.convertRowIndexToModel(viewIndex);
    }
  }
Beispiel #3
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  /**
   * Gets the model indexes for the given row indexes.
   *
   * @param table the table.
   * @param viewIndexes the view indexes.
   * @return the model indexes.
   * @see #getModelIndex(JTable, Integer)
   * @see #getViewIndexes(JTable, List)
   */
  public static List<Integer> getModelIndexes(JTable table, List<Integer> viewIndexes) {

    Assert.notNull(table, TableUtils.TABLE);
    Assert.notNull(viewIndexes, "viewIndexes");

    final List<Integer> modelIndexes = new ArrayList<Integer>(viewIndexes.size());
    for (int i = 0; i < viewIndexes.size(); ++i) {
      modelIndexes.add(TableUtils.getModelIndex(table, viewIndexes.get(i)));
    }

    return modelIndexes;
  }
Beispiel #4
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  /**
   * Changes selection.
   *
   * <p>This method ensures listeners are invoked just once.
   *
   * @param <Q> the type of the rows.
   * @param table the table.
   * @param tableModel the table model.
   * @param newSelection the entities to be selected. If any entity does not belong to entities
   *     currently being shown then it is ignored.
   * @see #changeSelection(JTable, List)
   */
  public static <Q> void changeSelection(
      final JTable table, final GlazedTableModel tableModel, final List<Q> newSelection) {

    Assert.notNull(table, TableUtils.TABLE);
    Assert.notNull(tableModel, TableUtils.TABLE_MODEL);
    Assert.notNull(newSelection, "entities");

    // Calculate view indexes and call overloaded method
    final List<Integer> modelIndexes = TableUtils.getModelIndexes(tableModel, newSelection);
    final List<Integer> viewIndexes = TableUtils.getViewIndexes(table, modelIndexes);

    TableUtils.changeSelection(table, viewIndexes);
  }
Beispiel #5
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  /**
   * Gets the model indexes for the given rows.
   *
   * @param <Q> the type of the rows.
   * @param tableModel the table model.
   * @param entities the entities to be queried.
   * @return the model indexes.
   */
  public static <Q> List<Integer> getModelIndexes(GlazedTableModel tableModel, List<Q> entities) {

    Assert.notNull(tableModel, TableUtils.TABLE_MODEL);
    Assert.notNull(entities, "entities");

    final EventList<Q> eventList = TableUtils.getSource(tableModel);
    final List<Integer> modelIndexes = new ArrayList<Integer>(entities.size());

    for (int i = 0; i < entities.size(); ++i) {
      modelIndexes.add(eventList.indexOf(entities.get(i)));
    }

    return modelIndexes;
  }
Beispiel #6
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  /**
   * Gets the current selection.
   *
   * <p>Ensures entities are returned in the same order as <code>modelIndexes</code>.
   *
   * <p><em>This method exists for performance reasons when <code>modelIndexes</code> are already
   * known</em>.
   *
   * @param <Q> the type of the rows.
   * @param table the table.
   * @param tableModel the table model.
   * @param modelIndexes the model indexes.
   * @return the selected entities.
   */
  public static <Q> List<Q> getSelection(
      JTable table, GlazedTableModel tableModel, List<Integer> modelIndexes) {

    Assert.notNull(table, TableUtils.TABLE);
    Assert.notNull(tableModel, TableUtils.TABLE_MODEL);

    final EventList<Q> eventList = TableUtils.getSource(tableModel);
    final List<Q> selectedEntities = new ArrayList<Q>(modelIndexes.size());

    for (Integer modelIndex : modelIndexes) {
      selectedEntities.add(eventList.get(modelIndex));
    }

    return selectedEntities;
  }
Beispiel #7
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  /**
   * Gets the view index for a given model index.
   *
   * @param table the table.
   * @param modelIndex the model index.
   * @return the view index or <code>-1</code> if not found.
   * @see #getModelIndex(JTable, Integer)
   */
  public static Integer getViewIndex(JTable table, Integer modelIndex) {

    Assert.notNull(table, TableUtils.TABLE);
    Assert.notNull(modelIndex, "modelIndex");

    final Integer viewIndex;

    if (modelIndex < 0) {
      viewIndex = modelIndex;
    } else if (modelIndex >= table.getRowCount()) {
      viewIndex = -1;
    } else {
      viewIndex = table.convertRowIndexToView(modelIndex);
    }

    return viewIndex;
  }
Beispiel #8
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  /**
   * Gets the selected rows model indexes.
   *
   * @param table the table.
   * @return the model indexes.
   */
  public static List<Integer> getSelectedModelIndexes(JTable table) {

    Assert.notNull(table, TableUtils.TABLE);

    final List<Integer> viewIndexes = TableUtils.getSelectedViewIndexes(table);
    final List<Integer> modelIndexes = TableUtils.getModelIndexes(table, viewIndexes);

    return modelIndexes;
  }
Beispiel #9
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  /**
   * Changes current selection if newer is different or <code>force</code> param is <code>true
   * </code>.
   *
   * <p>This method ensures listeners are invoked just once.
   *
   * @param <Q> the type of the rows.
   * @param table the table.
   * @param viewIndexes the indexes to select. <code>-1</code> indexes are ignored.
   * @param force whether to force selection change in spite of new selection is the same as
   *     previous.
   */
  public static <Q> void changeSelection(
      final JTable table, final List<Integer> viewIndexes, final Boolean force) {

    Assert.notNull(table, TableUtils.TABLE);
    Assert.notNull(viewIndexes, "viewIndexes");
    Assert.notNull(force, "force");

    // Replace current selection (do it in the event dispatcher thread to avoid race conditions)
    SwingUtils.runInEventDispatcherThread(
        new Runnable() {

          /** {@inheritDoc} */
          @Override
          public void run() {

            Boolean proceed = force;
            if (!proceed) {
              final List<Integer> currentViewIndexes = TableUtils.getSelectedViewIndexes(table);
              proceed |= !CollectionUtils.isEqualCollection(currentViewIndexes, viewIndexes);
            }

            // PRE-CONDITION: new selection is different from previous or force is true
            if (proceed) {

              // INVARIANT: Change selection taking care of setting "valueIsAdjusting":
              // otherwise multiple events will be raised
              final ListSelectionModel listSelectionModel = table.getSelectionModel();

              listSelectionModel.setValueIsAdjusting(Boolean.TRUE);
              listSelectionModel.clearSelection();
              for (Integer viewIndex : viewIndexes) {
                if (viewIndex >= 0) {
                  table.addRowSelectionInterval(viewIndex, viewIndex);
                }
              }
              // POST-CONDITION: listeners are notified
              listSelectionModel.setValueIsAdjusting(Boolean.FALSE);
            }
          }
        });
  }
Beispiel #10
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  /**
   * Refresh current selection.
   *
   * <p>This method ensures listeners are invoked just once.
   *
   * @param <Q> the type of the rows.
   * @param table the table.
   * @see #changeSelection(JTable, List, Boolean)
   */
  public static <Q> void refreshSelection(final JTable table) {

    Assert.notNull(table, "table");

    final List<Integer> selectedViewIndexes = TableUtils.getSelectedViewIndexes(table);

    // (JAF), 20110116, clear selection before turning on valueIsAdjusting, otherwise listeners may
    // not be notified
    table.clearSelection();

    TableUtils.changeSelection(table, selectedViewIndexes, Boolean.TRUE);
  }
Beispiel #11
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  /**
   * Gets the entities currently being shown.
   *
   * @param <Q> the type of the rows.
   * @param table the table.
   * @return the visible entities.
   */
  @SuppressWarnings("unchecked")
  public static <Q> List<Q> getVisibleEntities(JTable table) {

    Assert.notNull(table, TableUtils.TABLE);
    Assert.notNull(table.getModel(), "table.getModel()");
    Assert.isTrue(
        table.getModel() instanceof GlazedTableModel,
        "table.getModel() instanceof GlazedTableModel");

    final GlazedTableModel tableModel = (GlazedTableModel) table.getModel();

    final List<Q> rows = new ArrayList<Q>(table.getRowCount());
    for (int i = 0; i < table.getRowCount(); ++i) {

      // JAF, 20100411, fixed a BIG bug retrieving elements: rows.add((Q)
      // tableModel.getElementAt(i));
      rows.add((Q) tableModel.getElementAt(TableUtils.getModelIndex(table, i)));
    }

    return rows;
  }
Beispiel #12
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  /**
   * Gets the selected rows view indexes.
   *
   * @param table the table.
   * @return the view indexes.
   */
  public static List<Integer> getSelectedViewIndexes(JTable table) {

    Assert.notNull(table, TableUtils.TABLE);

    final List<Integer> viewIndexes = new ArrayList<Integer>();
    final ListSelectionModel selectionModel = table.getSelectionModel();

    // There should be unless one selected entity
    if (selectionModel.isSelectionEmpty()) {
      return viewIndexes;
    }

    // Iterate between selected entities
    final int min = selectionModel.getMinSelectionIndex();
    final int max = selectionModel.getMaxSelectionIndex();

    for (int idx = min; idx <= max; ++idx) {
      if (selectionModel.isSelectedIndex(idx)) {
        viewIndexes.add(idx);
      }
    }

    return viewIndexes;
  }
Beispiel #13
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  /**
   * Show the given entities in a table.
   *
   * <p>When dealing with <code>EventList</code> performance is important. This method ensures table
   * model events are launched just once at the end.
   *
   * @param <Q> the type of the rows.
   * @param tableModel the table model.
   * @param entities the entities to be shown.
   * @param attach whether to attach new entities to currents. If <code>false</code> currents are
   *     replaced.
   * @return <code>true</code> if success and <code>false</code> in other case (i.e.:user rejected
   *     change).
   */
  @SuppressWarnings("unchecked")
  public static <Q> Boolean showEntities(
      GlazedTableModel tableModel, final List<Q> entities, final Boolean attach) {

    Assert.notNull(tableModel, TableUtils.TABLE_MODEL);
    Assert.notNull(entities, "entities");
    Assert.notNull(attach, "attach");

    final EventList<Q> eventList = TableUtils.getSource(tableModel);

    // Proceed only if ...
    final Boolean proceed;
    if (attach) {
      // ... must attach and entities are not contained in eventList or...
      proceed = !CollectionUtils.isSubCollection(entities, eventList);
    } else {
      // ... must replace and entities are not equals to eventList
      proceed = !CollectionUtils.isEqualCollection(entities, eventList);
    }

    if (proceed) {

      if (TableUtils.LOGGER.isDebugEnabled()) {
        TableUtils.LOGGER.debug("About to show entities " + entities);
      }

      // Avoid notifying in every single change, instead do it at the end
      final TableModelListener[] listeners = tableModel.getTableModelListeners();
      for (final TableModelListener listener : listeners) {
        tableModel.removeTableModelListener(listener);
      }

      SwingUtils.runInEventDispatcherThread(
          new Runnable() {

            @Override
            public void run() {

              // Update the contents of the event list
              eventList.getReadWriteLock().writeLock().lock();
              try {
                if (!attach) {
                  eventList.clear();
                }
                eventList.addAll(eventList.size(), CollectionUtils.subtract(entities, eventList));
              } finally {
                // Since Swing is multithread we need to lock before and unlock later
                // http://sites.google.com/site/glazedlists/documentation/faq
                eventList.getReadWriteLock().writeLock().unlock();
              }
            }
          });

      // Enable notifying: install listeners again
      for (final TableModelListener listener : listeners) {
        tableModel.addTableModelListener(listener);
      }

      // Since listeners were uninstalled notification should be explicit
      tableModel.fireTableDataChanged();
    }

    return proceed;
  }