NodeLevelCompareCondition.java example

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/*
 *  Freeplane - mind map editor
 *  Copyright (C) 2008 Dimitry Polivaev
 *
 *  This file author is Dimitry Polivaev
 *
 *  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.map;

import org.freeplane.core.io.xml.TreeXmlReader;
import org.freeplane.core.io.xml.TreeXmlWriter;
import org.freeplane.core.util.TextUtils;
import org.freeplane.features.filter.condition.ASelectableCondition;
import org.freeplane.features.filter.condition.CompareConditionAdapter;
import org.freeplane.features.map.NodeModel;
import org.freeplane.n3.nanoxml.XMLElement;

class NodeLevelCompareCondition extends CompareConditionAdapter {
	static final String COMPARATION_RESULT = "COMPARATION_RESULT";
	static final String NAME = "node_level_condition";
	static final String SUCCEED = "SUCCEED";
	static final String VALUE = "VALUE";

	static ASelectableCondition load(final XMLElement element) {
		return new NodeLevelCompareCondition(element.getAttribute(NodeLevelCompareCondition.VALUE, null), TreeXmlReader
		    .xmlToBoolean(element.getAttribute(CompareConditionAdapter.MATCH_CASE, null)), Integer.parseInt(element
		    .getAttribute(NodeLevelCompareCondition.COMPARATION_RESULT, null)), TreeXmlReader.xmlToBoolean(element
		    .getAttribute(NodeLevelCompareCondition.SUCCEED, null)));
	}

	final private int comparationResult;
	final private boolean succeed;

	NodeLevelCompareCondition(final String value, final boolean matchCase, final int comparationResult,
	                     final boolean succeed) {
		super(Long.valueOf(value));
		this.comparationResult = comparationResult;
		this.succeed = succeed;
	}

	public boolean isEqualityCondition()
	{
		return comparationResult == 0;
	}

	public boolean checkNode(final NodeModel node) {
		final long level = node.getNodeLevel(true);
		return succeed == (compareTo(level) == comparationResult);
	}

	@SuppressWarnings("unused")
	private boolean checkLevel(final long level) {
		return succeed == (compareTo(level) == comparationResult);
	}

	@Override
	protected String createDescription() {
		final String nodeCondition = TextUtils.getText(NodeLevelConditionController.FILTER_LEVEL);
		return super.createDescription(nodeCondition, comparationResult, succeed);
	}

	public void fillXML(final XMLElement child) {
		super.fillXML(child);
		child.setAttribute(NodeLevelCompareCondition.COMPARATION_RESULT, Integer.toString(comparationResult));
		child.setAttribute(NodeLevelCompareCondition.SUCCEED, TreeXmlWriter.BooleanToXml(succeed));
	}

	@Override
    protected String getName() {
	    return NAME;
    }
}