Package com.nexirius.ulc.ulcviewer.editor

Source Code of com.nexirius.ulc.ulcviewer.editor.MenuItemULCEditor$CommandPropertyChangeListener

//{HEADER
/**
* This class is part of jnex 'Nexirius Application Framework for Java'
* Copyright (C) Nexirius GmbH, CH-4450 Sissach, Switzerland (www.nexirius.ch)
*
* <p>This library is free software; you can redistribute it and/or<br>
* modify it under the terms of the GNU Lesser General Public<br>
* License as published by the Free Software Foundation; either<br>
* version 2.1 of the License, or (at your option) any later version.</p>
*
* <p>This library is distributed in the hope that it will be useful,<br>
* but WITHOUT ANY WARRANTY; without even the implied warranty of<br>
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU<br>
* Lesser General Public License for more details.</p>
*
* <p>You should have received a copy of the GNU Lesser General Public<br>
* License along with this library; if not, write to the Free Software<br>
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA</p>
* </blockquote>
*
* <p>
* Nexirius GmbH, hereby disclaims all copyright interest in<br>
* the library jnex' 'Nexirius Application Framework for Java' written<br>
* by Marcel Baumann.</p>
*/
//}HEADER
package com.nexirius.ulc.ulcviewer.editor;

import com.nexirius.framework.datamodel.DataModelCommand;
import com.nexirius.framework.datamodel.Viewable;
import com.nexirius.ulc.ulcviewer.ULCViewer;
import com.nexirius.ulc.ulcviewer.ULCViewerFactory;
import com.nexirius.util.resource.Util;
import com.ulcjava.base.application.ULCComponent;
import com.ulcjava.base.application.ULCMenuItem;
import com.ulcjava.base.application.util.KeyStroke;
import com.ulcjava.base.application.event.ActionEvent;
import com.ulcjava.base.application.event.IActionListener;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

// TODO implement icon for menus

public class MenuItemULCEditor implements ULCViewer {

    private DataModelCommand model;
    private ULCMenuItem component;

    public ULCComponent getULCComponent(ULCViewerFactory factory) {
        if (component != null) {
            return component;
        }

        String menuName = factory.getClientResource().getButtonText(model.getCommandName());

        component = new ULCMenuItem(menuName);

        updateProperties(factory);

        model.addPropertyChangeListener(new CommandPropertyChangeListener(factory));

        component.addActionListener(new IActionListener() {
            public void actionPerformed(ActionEvent event) {
                model.doAction();
                model.finaliseAction();
            }
        });

        return component;
    }

    public boolean isEditor() {
        return true;
    }

    public void updateModel() {

    }

    public void setDataModel(Viewable model) {
        this.model = (DataModelCommand) model;
    }

    public Viewable getDataModel() {
        return model;
    }

    private void updateProperties(ULCViewerFactory factory) {
        if (component == null) {
            return;
        }

        String menuText = factory.getClientResource().getButtonText(model.getCommandName());

        if (menuText == null) {
            menuText = model.getCommandName();
        }

        component.setText(menuText);
        String toolTipText = factory.getClientResource().getToolTipText(model.getCommandName());

        if (toolTipText != null) {
            component.setToolTipText(toolTipText);
        }

        component.setEnabled(model.isEnabled());

        int mnemo = factory.getClientResource().getMnemonic(model.getCommandName(), ".menu");

        if (mnemo != -1) {
            component.setMnemonic(menuText.charAt(mnemo));
        }

        String keyAcceleratorText = factory.getClientResource().getKeyAcceleratorText(model.getCommandName());

        if (keyAcceleratorText != null) {
            int mask = Util.getMask(keyAcceleratorText);
            int vKey = Util.getVirtualKey(keyAcceleratorText);

            if (vKey != 0) {
                component.setAccelerator(KeyStroke.getKeyStroke(vKey, mask, false));
            }
        }

        component.setIcon(factory.getUlcIcon(model.getCommandName()));
    }

    class CommandPropertyChangeListener implements PropertyChangeListener {
        private ULCViewerFactory factory;

        public CommandPropertyChangeListener(ULCViewerFactory factory) {
            this.factory = factory;
        }

        public void propertyChange(PropertyChangeEvent evt) {
            updateProperties(factory);
        }
    }
}
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