/*
 *  Freeplane - mind map editor
 *  Copyright (C) 2008 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitry Polivaev
 *
 *  This file is modified by Dimitry Polivaev in 2008.
 *
 *  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, see <http://www.gnu.org/licenses/>.
 */
package org.freeplane.features.text;

import java.awt.event.ActionEvent;
import java.util.Collection;

import org.freeplane.core.ui.AMultipleNodeAction;
import org.freeplane.core.ui.EnabledAction;
import org.freeplane.core.ui.SelectableAction;
import org.freeplane.features.map.IMapSelection;
import org.freeplane.features.map.NodeModel;
import org.freeplane.features.mode.Controller;

@SelectableAction(checkOnPopup = true)
@EnabledAction(checkOnNodeChange = true)
class ToggleDetailsAction extends AMultipleNodeAction {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private boolean foundDetails;
	private boolean isHidden;

	public ToggleDetailsAction() {
		super("ToggleDetailsAction");
	}

	@Override
	public void actionPerformed(final ActionEvent e) {
		checkDetailsEnabled();
		if(! foundDetails)
			return;
		isHidden = !isHidden;
		final IMapSelection selection = Controller.getCurrentController().getSelection();
		selection.keepNodePosition(selection.getSelected(), 0.5f, 0.5f);
		super.actionPerformed(e);
	}
	
 	@Override
    protected void actionPerformed(ActionEvent e, NodeModel node) {
		final DetailTextModel detailText = DetailTextModel.getDetailText(node);
		if(detailText == null){
			return;
		}
		TextController controller = TextController.getController();
		controller.setDetailsHidden(node, isHidden);
    }

    
    private void checkDetailsEnabled() {
        foundDetails = false;
        isHidden = false;
        final Collection<NodeModel> nodes = Controller.getCurrentModeController().getMapController().getSelectedNodes();
        for (final NodeModel node : nodes) {
            final DetailTextModel detailText = DetailTextModel.getDetailText(node);
			if (detailText != null) {
                foundDetails = true;
                isHidden = detailText.isHidden();
                break;
            }
        }
    }
    
    @Override
	public void setSelected() {
    	try {
    		NodeModel node = Controller.getCurrentModeController().getMapController().getSelectedNode();
    		final DetailTextModel detailText = DetailTextModel.getDetailText(node);
    		if (detailText == null) {
    			setSelected(false);
    			setEnabled(false);
    			return;
    		}
    		setEnabled(true);
    		setSelected(detailText.isHidden());
    	}
    	catch(Exception e) {
    		setSelected(false);
    		setEnabled(false);
    	}
	}
    
    @Override
	public void setEnabled() {
		setSelected();		
	}

}