PostConditionElement.java example

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openflexo-master
/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo 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 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo 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 OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.components.browser.wkf;

import javax.swing.Icon;
import javax.swing.ImageIcon;

import org.openflexo.components.browser.BrowserElement;
import org.openflexo.components.browser.BrowserElementType;
import org.openflexo.components.browser.ProjectBrowser;
import org.openflexo.foundation.wkf.edge.FlexoPostCondition;
import org.openflexo.foundation.wkf.edge.MessageEdge;
import org.openflexo.foundation.wkf.node.IFOperator;
import org.openflexo.icon.IconFactory;
import org.openflexo.icon.IconLibrary;
import org.openflexo.icon.IconMarker;
import org.openflexo.localization.FlexoLocalization;

/**
 * Browser element representing a FlexoPostCondition
 * 
 * @author sguerin
 * 
 */
public class PostConditionElement extends BrowserElement {

	private static final IconMarker POSITIVE_MARKER = IconLibrary.POSITIVE_MARKER.clone(1, 4);
	private static final IconMarker NEGATIVE_MARKER = IconLibrary.NEGATIVE_MARKER.clone(1, 4);

	public PostConditionElement(FlexoPostCondition postCondition, ProjectBrowser browser, BrowserElement parent) {
		super(postCondition, BrowserElementType.POSTCONDITION, browser, parent);
	}

	@Override
	public Icon getIcon() {
		Icon icon = super.getIcon();
		if (icon instanceof ImageIcon) {
			if (isPositive()) {
				return IconFactory.getImageIcon((ImageIcon) icon, POSITIVE_MARKER);
			} else if (isNegative()) {
				return IconFactory.getImageIcon((ImageIcon) icon, NEGATIVE_MARKER);
			}
		}
		return icon;
	}

	private boolean isPositive() {
		return getPostCondition().getStartNode() instanceof IFOperator && getPostCondition().isPositiveEvaluation();
	}

	private boolean isNegative() {
		return getPostCondition().getStartNode() instanceof IFOperator && !getPostCondition().isPositiveEvaluation();
	}

	@Override
	protected void buildChildrenVector() {
		if (getPostCondition() instanceof MessageEdge) {
			MessageEdge messageEdge = (MessageEdge) getPostCondition();
			if (messageEdge.getInputMessage() != null) {
				addToChilds(messageEdge.getInputMessage());
			}
			if (messageEdge.getOutputMessage() != null) {
				addToChilds(messageEdge.getOutputMessage());
			}
		}
	}

	@Override
	public String getName() {
		if (getPostCondition().getName() != null && !getPostCondition().getName().trim().equals("")) {
			return getPostCondition().getName();
		} else {
			return FlexoLocalization.localizedForKey(getPostCondition().getClassNameKey());
		}
	}

	protected FlexoPostCondition getPostCondition() {
		return (FlexoPostCondition) getObject();
	}

}