Java tutorial
//package com.java2s; /* * Copyright 1999-2005 The Apache Software Foundation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import javax.swing.*; import javax.swing.table.TableModel; import java.awt.*; public class Main { /** * Selects a the specified row in the specified JTable and scrolls * the specified JScrollpane to the newly selected row. More importantly, * the call to repaint() delayed long enough to have the table * properly paint the newly selected row which may be offscre * @param table should belong to the specified JScrollPane */ public static void selectRow(int row, JTable table, JScrollPane pane) { if (table == null || pane == null) { return; } if (contains(row, table.getModel()) == false) { return; } moveAdjustable(row * table.getRowHeight(), pane.getVerticalScrollBar()); selectRow(row, table.getSelectionModel()); // repaint must be done later because moveAdjustable // posts requests to the swing thread which must execute before // the repaint logic gets executed. repaintLater(table); } protected static void selectRow(int row, ListSelectionModel model) { if (model == null) { return; } model.setSelectionInterval(row, row); } protected static boolean contains(int row, TableModel model) { if (model == null) { return false; } if (row < 0) { return false; } if (row >= model.getRowCount()) { return false; } return true; } protected static void moveAdjustable(int location, Adjustable scrollBar) { if (scrollBar == null) { return; } scrollBar.setValue(location); } /** * Work around for JTable/viewport bug. * @link http://developer.java.sun.com/developer/bugParade/bugs/4205145.html */ protected static void repaintLater(final JComponent component) { SwingUtilities.invokeLater(new Runnable() { public void run() { component.repaint(); } }); } }