/*
* JaamSim Discrete Event Simulation
* Copyright (C) 2015 Ausenco Engineering Canada Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jaamsim.input;
import java.util.ArrayList;
import java.util.Collections;
import com.jaamsim.Graphics.DisplayEntity;
import com.jaamsim.Graphics.EntityLabel;
import com.jaamsim.Graphics.OverlayEntity;
import com.jaamsim.Graphics.Region;
import com.jaamsim.basicsim.Entity;
import com.jaamsim.input.EntityInput;
public class RelativeEntityInput extends EntityInput<DisplayEntity> {
private DisplayEntity thisEnt; // entity that owns this input
public RelativeEntityInput(String key, String cat, DisplayEntity def) {
super(DisplayEntity.class, key, cat, def);
}
public void setEntity(DisplayEntity ent) {
thisEnt = ent;
}
@Override
public void parse(KeywordIndex kw) throws InputErrorException {
Input.assertCount(kw, 1);
DisplayEntity ent = Input.parseEntity(kw.getArg(0), DisplayEntity.class);
if (isCircular(ent))
throw new InputErrorException("The assignment of %s to RelativeEntity would create a circular loop.", ent);
value = ent;
}
private boolean isCircular(DisplayEntity ent) {
while (ent != null) {
if (ent == thisEnt)
return true;
ent = ent.getRelativeEntity();
}
return false;
}
@Override
public ArrayList<String> getValidOptions() {
ArrayList<String> list = new ArrayList<>();
for (DisplayEntity each: Entity.getClonesOfIterator(DisplayEntity.class)) {
if (each.testFlag(Entity.FLAG_GENERATED))
continue;
if (each instanceof OverlayEntity || each instanceof Region || each instanceof EntityLabel)
continue;
if (isCircular(each))
continue;
list.add(each.getName());
}
Collections.sort(list, Input.uiSortOrder);
return list;
}
}