/* ******************************************************************************
* Copyright (c) 2006-2012 XMind Ltd. and others.
*
* This file is a part of XMind 3. XMind releases 3 and
* above are dual-licensed under the Eclipse Public License (EPL),
* which is available at http://www.eclipse.org/legal/epl-v10.html
* and the GNU Lesser General Public License (LGPL),
* which is available at http://www.gnu.org/licenses/lgpl.html
* See http://www.xmind.net/license.html for details.
*
* Contributors:
* XMind Ltd. - initial API and implementation
*******************************************************************************/
package org.xmind.gef.draw2d.geometry;
import java.util.Collection;
public abstract class AbstractIntersectionSolver extends
AbstractPositionSolver implements IIntersectionSolver {
private int spacing = 5;
/**
* @see cn.brainy.gef.draw2d.figure.IPositionSolver#solve()
*/
public void solve() {
while (calcIntersections()) {
solveIntersections();
}
}
public int getSpacing() {
return spacing;
}
public void setSpacing(int spacing) {
this.spacing = Math.max(1, spacing);
}
protected Collection<Object> getSteadyKeys() {
return getKeys(CATEGORY_STEADY);
}
protected Collection<Object> getFreeKeys() {
return getKeys(CATEGORY_FREE);
}
protected abstract boolean calcIntersections();
protected abstract void solveIntersections();
}