changearrowsinarrowlinkaction.java

思维导图(Mind Mapping)以放射性思考(Radiant Thinking)为基础的收放自如方式

/*
 * FreeMind - A Program for creating and viewing Mindmaps Copyright (C)
 * 2000-2004 Joerg Mueller, Daniel Polansky, Christian Foltin and others.
 * 
 * See COPYING for Details
 * 
 * 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.
 * 
 * Created on 08.10.2004
 */
/*
 * $Id: ChangeArrowsInArrowLinkAction.java,v 1.16.10.1 08.10.2004 23:12:57
 * christianfoltin Exp $
 */

package freemind.modes.actions;

import java.awt.event.ActionEvent;

import javax.xml.bind.JAXBException;

import freemind.controller.actions.ActionPair;
import freemind.controller.actions.ActorXml;
import freemind.controller.actions.FreemindAction;
import freemind.controller.actions.generated.instance.ArrowLinkArrowXmlAction;
import freemind.controller.actions.generated.instance.XmlAction;
import freemind.modes.ArrowLinkAdapter;
import freemind.modes.MindMapLink;
import freemind.modes.MindMapLinkRegistry;
import freemind.modes.ModeController;
import freemind.modes.mindmapmode.MindMapArrowLinkModel;

public class ChangeArrowsInArrowLinkAction extends FreemindAction implements
        ActorXml {
    MindMapArrowLinkModel arrowLink;

    boolean hasStartArrow;

    boolean hasEndArrow;

    private final ModeController controller;

    public ChangeArrowsInArrowLinkAction(ModeController controller,
            String text, String iconPath, MindMapArrowLinkModel arrowLink,
            boolean hasStartArrow, boolean hasEndArrow) {
        super("change_arrows_in_arrow_link", iconPath, controller);
        this.controller = controller;
        this.arrowLink = arrowLink;
        this.hasStartArrow = hasStartArrow;
        this.hasEndArrow = hasEndArrow;
        addActor(this);
    }

    public void actionPerformed(ActionEvent e) {
        changeArrowsOfArrowLink(arrowLink, hasStartArrow, hasEndArrow);
    }

    public void changeArrowsOfArrowLink(MindMapArrowLinkModel arrowLink,
            boolean hasStartArrow, boolean hasEndArrow) {
        controller.getActionFactory().startTransaction(
                (String) getValue(NAME));
        controller.getActionFactory().executeAction(
                getActionPair(arrowLink, hasStartArrow, hasEndArrow));
        controller.getActionFactory().endTransaction(
                (String) getValue(NAME));
    }

    /**
     * @param arrowLink2
     * @param hasStartArrow2
     * @param hasEndArrow2
     * @return
     */
    private ActionPair getActionPair(MindMapArrowLinkModel arrowLink2, boolean hasStartArrow2, boolean hasEndArrow2) {
        return new ActionPair(createArrowLinkArrowXmlAction(arrowLink2, hasStartArrow2, hasEndArrow2),
                createArrowLinkArrowXmlAction(arrowLink2, arrowLink2.getStartArrow(), arrowLink2.getEndArrow()));
    }

    public void act(XmlAction action) {
        if (action instanceof ArrowLinkArrowXmlAction) {
            ArrowLinkArrowXmlAction arrowAction = (ArrowLinkArrowXmlAction) action;
            MindMapLink link = getLinkRegistry().getLinkForID(arrowAction.getId());
            ((ArrowLinkAdapter) link).setStartArrow(arrowAction.getStartArrow());
            ((ArrowLinkAdapter) link).setEndArrow(arrowAction.getEndArrow());
	        controller.nodeChanged(link.getSource());
	        controller.nodeChanged(link.getTarget());
        }
    }

    public Class getDoActionClass() {
        return ArrowLinkArrowXmlAction.class;
    }
    private ArrowLinkArrowXmlAction createArrowLinkArrowXmlAction(MindMapArrowLinkModel arrowLink,
            boolean hasStartArrow, boolean hasEndArrow){
        return createArrowLinkArrowXmlAction(arrowLink, (hasStartArrow) ? "Default" : "None", (hasEndArrow) ? "Default" : "None");
    }
    
    private ArrowLinkArrowXmlAction createArrowLinkArrowXmlAction(MindMapArrowLinkModel arrowLink,
            String hasStartArrow, String hasEndArrow){
        try {
            ArrowLinkArrowXmlAction action = controller.getActionXmlFactory().createArrowLinkArrowXmlAction();
            action.setStartArrow(hasStartArrow);
            action.setEndArrow(hasEndArrow);
            action.setId(arrowLink.getUniqueID());
            return action;
        } catch (JAXBException e) {
            e.printStackTrace();
            return null;
        }
    }
    /**
     * @return
     */
    private MindMapLinkRegistry getLinkRegistry() {
        return controller.getMap().getLinkRegistry();
    }


}