source: trunk/src/org/expeditee/items/MagneticConstraint/MagneticConstraints.java@ 906

package org.expeditee.items.MagneticConstraint;

import org.expeditee.items.Item;

public class MagneticConstraints {
        private static MagneticConstraints instance = null;

        private MagneticConstraintAction rightBorderHitAction = null;
        private MagneticConstraintAction endOfLineHitAction = null;
        private MagneticConstraintAction leftBorderHitAction = null;
        private MagneticConstraintAction startOfLineHitAction = null;
        private MagneticConstraintActionWithArguments<Float> textShrunkAction = null;
        private MagneticConstraintActionWithArguments<Float> textGrownAction = null;                    

        public static MagneticConstraints getInstance() {
                if (instance == null) {
                        instance = new MagneticConstraints();
                        return instance;
                } else
                        return instance;
        }

        public boolean rightBorderHit(final Item item) {
                if (rightBorderHitAction != null)
                        return rightBorderHitAction.exec(item);
                else
                        return false;
        }

        public void setRightBorderHitAction(final MagneticConstraintAction action) {
                rightBorderHitAction = action;
        }

        public boolean endOfLineHit(final Item item) {
                if (endOfLineHitAction != null)
                        return endOfLineHitAction.exec(item);
                else
                        return false;
        }

        public void setEndOfLineHitAction(final MagneticConstraintAction action) {
                endOfLineHitAction = action;
        }

        public boolean leftBorderHit(final Item item) {
                if (leftBorderHitAction != null)
                        return leftBorderHitAction.exec(item);
                else
                        return false;
        }

        public void setLeftBorderHitAction(final MagneticConstraintAction action) {
                leftBorderHitAction = action;
        }

        public boolean startOfLineHit(final Item item) {
                if (startOfLineHitAction != null)
                        return startOfLineHitAction.exec(item);
                else
                        return false;
        }
        
        public void setStartOfLineHitAction(final MagneticConstraintAction action) {
                startOfLineHitAction = action;
        }
        
        public boolean textShrunk(final Item item, final float delta) {
                if(textShrunkAction != null)
                        return textShrunkAction.exec(item, delta);
                else return false;
        }
        
        public void setTextShrunkAction(final MagneticConstraintActionWithArguments<Float> action) {
                textShrunkAction = action;
        }
        
        public boolean textGrown(final Item item, final float delta) {
                if(textGrownAction != null) 
                        return textGrownAction.exec(item, delta);
                else return false;
        }
        
        public void setTextGrownAction(final MagneticConstraintActionWithArguments<Float> action) {
                textGrownAction = action;
        }
}