Android Open Source - CalWatch Cl Constraint






From Project

Back to project page CalWatch.

License

The source code is released under:

GNU General Public License

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Java Source Code

// $Id: ClConstraint.java,v 1.14 2000/04/10 15:55:06 gjb Exp $
///* w w  w.j ava 2  s  .  c  o m*/
// Cassowary Incremental Constraint Solver
// Original Smalltalk Implementation by Alan Borning
// This Java Implementation by Greg J. Badros, <gjb@cs.washington.edu>
// http://www.cs.washington.edu/homes/gjb
// (C) 1998, 1999 Greg J. Badros and Alan Borning
// See ../LICENSE for legal details regarding this software
//
// ClConstraint
//

package EDU.Washington.grad.gjb.cassowary;

import java.lang.*;


public abstract class ClConstraint
{

  public ClConstraint(ClStrength strength, double weight)
    { _strength = strength; _weight = weight; _times_added = 0; }

  public ClConstraint(ClStrength strength)
    { _strength = strength; _weight = 1.0; _times_added = 0; }

  public ClConstraint()
    { _strength = ClStrength.required; _weight = 1.0; _times_added = 0; }
  
  public abstract ClLinearExpression expression();

  public boolean isEditConstraint()
    { return false; }

  public boolean isInequality()
    { return false; }

  public boolean isRequired()
    { return _strength.isRequired(); }

  public boolean isStayConstraint()
    { return false; }

  public ClStrength strength()
    { return _strength; }

  public double weight()
    { return _weight; }

  public String toString()
    { return _strength.toString() +
  " {" + weight() + "} (" + expression(); }

  public void setAttachedObject(Object o)
    { _attachedObject = o; }

  public Object getAttachedObject()
    { return _attachedObject; }

  public void changeStrength(ClStrength strength)
    throws ExCLTooDifficult
    { 
      if (_times_added == 0) {
        setStrength(strength);
      } else {
        throw new ExCLTooDifficult();
      }
    }

  public void addedTo(ClSimplexSolver solver)
    { ++_times_added; }

  public void removedFrom(ClSimplexSolver solver)
    { --_times_added; }

  private void setStrength(ClStrength strength)
    { _strength = strength; }

  private void setWeight(double weight)
    { _weight = weight; }

  private ClStrength _strength;
  private double _weight;
  
  private Object _attachedObject;

  private int _times_added;
}




Java Source Code List

EDU.Washington.grad.gjb.cassowary.CL.java
EDU.Washington.grad.gjb.cassowary.ClAbstractVariable.java
EDU.Washington.grad.gjb.cassowary.ClConstraint.java
EDU.Washington.grad.gjb.cassowary.ClDouble.java
EDU.Washington.grad.gjb.cassowary.ClDummyVariable.java
EDU.Washington.grad.gjb.cassowary.ClEditConstraint.java
EDU.Washington.grad.gjb.cassowary.ClEditInfo.java
EDU.Washington.grad.gjb.cassowary.ClEditOrStayConstraint.java
EDU.Washington.grad.gjb.cassowary.ClLinearConstraint.java
EDU.Washington.grad.gjb.cassowary.ClLinearEquation.java
EDU.Washington.grad.gjb.cassowary.ClLinearExpression.java
EDU.Washington.grad.gjb.cassowary.ClLinearInequality.java
EDU.Washington.grad.gjb.cassowary.ClObjectiveVariable.java
EDU.Washington.grad.gjb.cassowary.ClPoint.java
EDU.Washington.grad.gjb.cassowary.ClSimplexSolver.java
EDU.Washington.grad.gjb.cassowary.ClSlackVariable.java
EDU.Washington.grad.gjb.cassowary.ClStayConstraint.java
EDU.Washington.grad.gjb.cassowary.ClStrength.java
EDU.Washington.grad.gjb.cassowary.ClSymbolicWeight.java
EDU.Washington.grad.gjb.cassowary.ClTableau.java
EDU.Washington.grad.gjb.cassowary.ClTestColumns.java
EDU.Washington.grad.gjb.cassowary.ClTests.java
EDU.Washington.grad.gjb.cassowary.ClVariable.java
EDU.Washington.grad.gjb.cassowary.ExCLConstraintNotFound.java
EDU.Washington.grad.gjb.cassowary.ExCLError.java
EDU.Washington.grad.gjb.cassowary.ExCLInternalError.java
EDU.Washington.grad.gjb.cassowary.ExCLNonlinearExpression.java
EDU.Washington.grad.gjb.cassowary.ExCLNotEnoughStays.java
EDU.Washington.grad.gjb.cassowary.ExCLRequiredFailure.java
EDU.Washington.grad.gjb.cassowary.ExCLTooDifficult.java
EDU.Washington.grad.gjb.cassowary.Set.java
EDU.Washington.grad.gjb.cassowary.Timer.java
EDU.Washington.grad.gjb.cassowary.sym.java
EDU.Washington.grad.gjb.cassowary.testClLinearExpression.java
EDU.Washington.grad.gjb.cassowary.testClStrength.java
org.dwallach.calwatch.ApplicationTest.java
org.dwallach.calwatch.BatteryWrapper.java
org.dwallach.calwatch.CalWatchFaceService.java
org.dwallach.calwatch.CalendarFetcher.java
org.dwallach.calwatch.ClockFace.java
org.dwallach.calwatch.ClockState.java
org.dwallach.calwatch.Constants.java
org.dwallach.calwatch.EventLayoutTest.java
org.dwallach.calwatch.EventLayoutUniformTest.java
org.dwallach.calwatch.EventLayoutUniform.java
org.dwallach.calwatch.EventLayout.java
org.dwallach.calwatch.EventWrapper.java
org.dwallach.calwatch.MyViewAnim.java
org.dwallach.calwatch.PaintCan.java
org.dwallach.calwatch.PathCache.java
org.dwallach.calwatch.PhoneActivity.java
org.dwallach.calwatch.PreferencesHelper.java
org.dwallach.calwatch.TimeWrapper.java
org.dwallach.calwatch.VersionWrapper.java
org.dwallach.calwatch.WatchCalendarService.java
org.dwallach.calwatch.WearReceiverService.java
org.dwallach.calwatch.WearSender.java
org.dwallach.calwatch.WireEvent.java
org.dwallach.calwatch.WireUpdate.java
org.dwallach.calwatch.XWatchfaceReceiver.java