source: java/main/src/main/java/com/framsticks/params/ArrayListAccess.java @ 107

package com.framsticks.params;

import com.framsticks.params.types.ArrayListParam;
import com.framsticks.util.UnimplementedException;
import com.framsticks.util.lang.Numbers;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import static com.framsticks.params.SetStateFlags.*;

/**
 * @author Piotr Sniegowski
 */
public class ArrayListAccess extends ListAccess {

        List<Object> list;


        public ArrayListAccess(Access elementAccess) {
                super(elementAccess);
        }

        @Override
        public ArrayListAccess cloneAccess() {
                return new ArrayListAccess(elementAccess.cloneAccess());
        }

        @Override
        public List<?> createAccessee() {
                return new ArrayList<Object>();
        }

        @Override
        public CompositeParam getParam(int i) {
                if ((i < 0) ||  (i >= list.size())) {
                        return null;
                }
                return paramBuilder.id(Integer.toString(i)).finish(CompositeParam.class);
        }

        @Override
        public CompositeParam getParam(String id) {
                Integer i = Numbers.parse(id, Integer.class);
                return (i == null ? null : getParam(i));
        }

        @Override
        public String getTypeId() {
                return "l " + elementAccess.getTypeId();
        }

        @Override
        public int getParamCount() {
                return list.size();
        }

        @Override
        public <T> T get(int i, Class<T> type) {
                if ((i < 0) ||  (i >= list.size())) {
                        return null;
                }
                return type.cast(list.get(i));
        }

        @Override
        public <T> T get(String id, Class<T> type) {
                return get(Integer.parseInt(id), type);
        }

        @Override
        public <T> T get(ValueParam param, Class<T> type) {
                return get(param.getId(), type);
        }

        @Override
        public <T> int set(int i, T value) {
                if (value != null) {
                        while (i >= list.size()) {
                                list.add(null);
                        }
                        list.set(i, value);
                        return 0;
                }
                if (i >= list.size()) {
                        return PSET_HITMAX;
                }
                list.remove(i);
                // for (int j = i + 1; j < list.size(); ++j) {
                //      if (list.get(j) != null) {
                //              list.set(i, null);
                //              return 0;
                //      }
                // }
                // while (list.size() > i) {
                //      list.remove(i);
                // }
                return 0;
        }

        @Override
        public <T> int set(String id, T value) {
                return set(Integer.parseInt(id), value);
        }

        @Override
        public <T> int set(ValueParam param, T value) {
                return set(param.getId(), value);
        }

        @Override
        public void clearValues() {
                list.clear();
        }

        /** covariant */
        @Override
        public List<Object> getSelected() {
                return list;
        }

        @SuppressWarnings("unchecked")
        @Override
        public ArrayListAccess select(Object object) {
                list = ParamsUtil.selectObjectForAccess(this, object, List.class);
                return this;
        }


        @Override
        public Iterable<Param> getParams() {
                return new Iterable<Param>() {

                        @Override
                        public Iterator<Param> iterator() {
                                return new Iterator<Param>() {

                                        protected final ListIterator<Object> internal = list.listIterator();

                                        @Override
                                        public boolean hasNext() {
                                                return internal.hasNext();
                                        }

                                        @Override
                                        public Param next() {
                                                Param param = paramBuilder.id(Integer.toString(internal.nextIndex())).finish(CompositeParam.class);
                                                internal.next();
                                                return param;
                                        }

                                        @Override
                                        public void remove() {
                                                throw new UnimplementedException().msg("remove element from list").arg("list", ArrayListAccess.this);

                                        }
                                };
                        }
                };
        }

        @Override
        public int getCompositeParamCount() {
                return list.size();
        }

        @Override
        public CompositeParam getCompositeParam(int number) {
                return getParam(number);
        }

        @Override
        public ParamBuilder buildParam(ParamBuilder builder) {
                return builder.name(containedTypeName + " list").type(ArrayListParam.class).containedTypeName(containedTypeName);
        }

}