Java tutorial
/** BlackBoard breadboard designer Written and maintained by Matthias Pueski Copyright (c) 2010-2011 Matthias Pueski This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package org.pmedv.blackboard.commands; import java.awt.event.ActionEvent; import java.awt.event.KeyEvent; import javax.swing.Action; import javax.swing.KeyStroke; import javax.swing.undo.UndoManager; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.pmedv.blackboard.EditorUtils; import org.pmedv.blackboard.components.BoardEditor; import org.pmedv.blackboard.components.Item; import org.pmedv.blackboard.components.Part; import org.pmedv.blackboard.components.Rotateable; import org.pmedv.blackboard.components.Symbol; import org.pmedv.core.commands.AbstractEditorCommand; import org.pmedv.core.context.AppContext; import org.springframework.context.ApplicationContext; /** * <p> * This command rotates an {@link Item} counter-clockwise. * </p> * <p> * If the item is a {@link Symbol}and it is broken up, the applied transform will be lost. * </p> * * @author Matthias Pueski * */ public class RotateCWCommand extends AbstractEditorCommand { private static final long serialVersionUID = -1204971682381964487L; private static final Log log = LogFactory.getLog(RotateCCWCommand.class); public RotateCWCommand() { putValue(Action.NAME, resources.getResourceByKey("RotateCWCommand.name")); putValue(Action.SMALL_ICON, resources.getIcon("icon.rotatecw")); putValue(Action.SHORT_DESCRIPTION, resources.getResourceByKey("RotateCWCommand.description")); putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_R, 0)); setEnabled(false); } @Override public void execute(ActionEvent evt) { ApplicationContext ctx = AppContext.getContext(); BoardEditor editor = EditorUtils.getCurrentActiveEditor(); UndoManager undoManager = editor.getUndoManager(); if (editor.getSelectedItem() != null) { if (editor.getSelectedItem() instanceof Rotateable) { if (editor.getSelectedItem() instanceof Part) { // BoardUtil.findConnectionsToItem(editor.getSelectedItem(), editor.getModel()); // Part part = (Part)editor.getSelectedItem(); // if (editor.isMagnetic()) { // // for (WireConnection wc : part.getWireConnections()) { // // if (wc.getType().equals(WireConnectionType.START)) { // Point s = BoardUtil.rotatePoint(wc.getLine().getStart().getX(), wc.getLine().getStart().getY(), part.getXLoc(), part.getYLoc(), -90); // wc.getLine().getStart().setLocation(BoardUtil.snap(s.x, editor.getRaster()),BoardUtil.snap(s.y, editor.getRaster())); // } // else if (wc.getType().equals(WireConnectionType.END)) { // Point e = BoardUtil.rotatePoint(wc.getLine().getEnd().getX(), wc.getLine().getEnd().getY(), part.getXLoc(), part.getYLoc(), -90); // wc.getLine().getEnd().setLocation(BoardUtil.snap(e.x, editor.getRaster()),BoardUtil.snap(e.y, editor.getRaster())); // } // // } // // } // } Rotateable r = (Rotateable) editor.getSelectedItem(); r.rotateCW(); if (!undoManager.addEdit(new RotateCWEdit(r))) { log.info("Could not add edit " + this.getClass()); } editor.refresh(); } } ctx.getBean(RedoCommand.class).setEnabled(undoManager.canRedo()); ctx.getBean(UndoCommand.class).setEnabled(undoManager.canUndo()); } }