/* * Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman * * This file is part of the SmallMind Code Project. * * The SmallMind Code Project is free software, you can redistribute * it and/or modify it under either, at your discretion... * * 1) The terms of GNU Affero General Public License as published by the * Free Software Foundation, either version 3 of the License, or (at * your option) any later version. * * ...or... * * 2) The terms of the Apache License, Version 2.0. * * The SmallMind Code Project 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 or Apache License for more details. * * You should have received a copy of the GNU Affero General Public License * and the Apache License along with the SmallMind Code Project. If not, see * <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>. * * Additional permission under the GNU Affero GPL version 3 section 7 * ------------------------------------------------------------------ * If you modify this Program, or any covered work, by linking or * combining it with other code, such other code is not for that reason * alone subject to any of the requirements of the GNU Affero GPL * version 3. */ package org.smallmind.nutsnbolts.layout; public abstract class ParaboxElement<P> { private P part; private Constraint constraint; public ParaboxElement (P part, Constraint constraint) { this.part = part; this.constraint = constraint; } public abstract boolean isNativeComponent (); public abstract Dimensionality getDimensionality (); public abstract double getPartMinimumMeasurement (Bias bias, LayoutTailor tailor); public abstract double getPartPreferredMeasurement (Bias bias, LayoutTailor tailor); public abstract double getPartMaximumMeasurement (Bias bias, LayoutTailor tailor); public abstract double getBaseline (Bias bias, double measurement); public P getPart () { return part; } public Constraint getConstraint () { return constraint; } public double getMinimumMeasurement (Bias bias, LayoutTailor tailor) { if (tailor == null) { return (constraint.getShrink() > 0) ? getPartMinimumMeasurement(bias, tailor) : getPartPreferredMeasurement(bias, tailor); } else { Double measurement; if ((measurement = tailor.lookup(part, bias, TapeMeasure.MINIMUM)) == null) { tailor.store(part, bias, TapeMeasure.MINIMUM, measurement = (constraint.getShrink() > 0) ? getPartMinimumMeasurement(bias, tailor) : getPartPreferredMeasurement(bias, tailor)); } return measurement; } } public double getPreferredMeasurement (Bias bias, LayoutTailor tailor) { if (tailor == null) { return getPartPreferredMeasurement(bias, tailor); } else { Double measurement; if ((measurement = tailor.lookup(part, bias, TapeMeasure.PREFERRED)) == null) { tailor.store(part, bias, TapeMeasure.PREFERRED, measurement = getPartPreferredMeasurement(bias, tailor)); } return measurement; } } public double getMaximumMeasurement (Bias bias, LayoutTailor tailor) { if (tailor == null) { return (constraint.getGrow() > 0) ? getPartMaximumMeasurement(bias, tailor) : getPartPreferredMeasurement(bias, tailor); } else { Double measurement; if ((measurement = tailor.lookup(part, bias, TapeMeasure.MAXIMUM)) == null) { tailor.store(part, bias, TapeMeasure.MAXIMUM, measurement = (constraint.getGrow() > 0) ? getPartMaximumMeasurement(bias, tailor) : getPartPreferredMeasurement(bias, tailor)); } return measurement; } } }