/* * Copyright (c) 2006-2011 Chris Smith, Shane Mc Cormack, Gregory Holmes * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.dmdirc.addons.ui_swing.actions; import com.dmdirc.logger.ErrorLevel; import com.dmdirc.logger.Logger; import java.awt.event.ActionEvent; import javax.swing.AbstractAction; import javax.swing.undo.CannotUndoException; import javax.swing.undo.UndoManager; /** * Handles redo's on text components. */ public final class RedoAction extends AbstractAction { /** * A version number for this class. It should be changed whenever the class * structure is changed (or anything else that would prevent serialized * objects being unserialized with the new class). */ private static final long serialVersionUID = 1; /** Undo manager. */ private final UndoManager undoManager; /** * Creates a new instance of RedoAction. * * @param undoManager UndoManager to use for this redo action */ public RedoAction(final UndoManager undoManager) { super("Undo"); this.undoManager = undoManager; } /** * {@inheritDoc} * * @param evt Action event */ @Override public void actionPerformed(final ActionEvent evt) { try { if (undoManager.canRedo()) { undoManager.redo(); } } catch (CannotUndoException ex) { Logger.userError(ErrorLevel.LOW, "Unable to redo"); } } }