/*
 * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI 
 * for visualizing and manipulating spatial features with geometry and attributes.
 *
 * Copyright (C) 2003 Vivid Solutions
 * 
 * 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.
 * 
 * For more information, contact:
 *
 * Vivid Solutions
 * Suite #1A
 * 2328 Government Street
 * Victoria BC  V8T 5G5
 * Canada
 *
 * (250)385-6040
 * www.vividsolutions.com
 */

package org.openjump.core.ui.plugin.view;

import javax.swing.JCheckBoxMenuItem;
import javax.swing.JComponent;

import com.vividsolutions.jump.I18N;
import com.vividsolutions.jump.workbench.WorkbenchContext;
import com.vividsolutions.jump.workbench.plugin.AbstractPlugIn;
import com.vividsolutions.jump.workbench.plugin.EnableCheck;
import com.vividsolutions.jump.workbench.plugin.EnableCheckFactory;
import com.vividsolutions.jump.workbench.plugin.MultiEnableCheck;
import com.vividsolutions.jump.workbench.plugin.PlugInContext;
import com.vividsolutions.jump.workbench.ui.MenuNames;
import com.vividsolutions.jump.workbench.ui.plugin.FeatureInstaller;


public class NorthArrowPlugIn extends AbstractPlugIn {

	private static final String NORTH_ARROW = I18N.get("org.openjump.core.ui.plugin.view.NorthArrowPlugIn.North-Arrow");

	public void initialize(PlugInContext context) throws Exception {
		FeatureInstaller featureInstaller = context.getFeatureInstaller();
		final WorkbenchContext workbenchContext = context.getWorkbenchContext();
		NorthArrowInstallRenderer northArrowInstallRenderer = new NorthArrowInstallRenderer();
		northArrowInstallRenderer.initialize(new PlugInContext(workbenchContext, 
				null, null, null, null));
		EnableCheckFactory checkFactory = new EnableCheckFactory(workbenchContext);
		featureInstaller.addMainMenuItem(this,
				new String[] { MenuNames.VIEW},
				getName(),
				true,
				null,
				new MultiEnableCheck().add(
						checkFactory.createWindowWithLayerViewPanelMustBeActiveCheck())
						.add(new EnableCheck() {
							public String check(JComponent component) {
								((JCheckBoxMenuItem) component)
								.setSelected(NorthArrowRenderer.isEnabled(workbenchContext
										.getLayerViewPanel()));
								return null;
							}
						}));
	}

	public boolean execute(PlugInContext context) throws Exception {
		reportNothingToUndoYet(context);
		NorthArrowRenderer.setEnabled(!NorthArrowRenderer.isEnabled(
				context.getLayerViewPanel()), context.getLayerViewPanel());
		context.getLayerViewPanel().getRenderingManager().render(NorthArrowRenderer.CONTENT_ID);

		return true;
	}

	public String getName() {
		return NORTH_ARROW;
	}

}