org.smallmind.nutsnbolts.layout.ParaboxElement Maven / Gradle / Ivy
/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 David Berkman
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package org.smallmind.nutsnbolts.layout;
public abstract class ParaboxElement {
private final P part;
private final 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;
}
}
}