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* regarding copyright ownership.
*
* 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,
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package hr.fer.zemris.vhdllab.applets.editor.schema2.model.queries;
import hr.fer.zemris.vhdllab.applets.editor.schema2.enums.EPropertyChange;
import hr.fer.zemris.vhdllab.applets.editor.schema2.interfaces.IQuery;
import hr.fer.zemris.vhdllab.applets.editor.schema2.interfaces.IQueryResult;
import hr.fer.zemris.vhdllab.applets.editor.schema2.interfaces.ISchemaInfo;
import hr.fer.zemris.vhdllab.applets.editor.schema2.misc.Caseless;
import hr.fer.zemris.vhdllab.applets.editor.schema2.misc.PlacedComponent;
import hr.fer.zemris.vhdllab.applets.editor.schema2.misc.SchemaPort;
import hr.fer.zemris.vhdllab.applets.editor.schema2.misc.XYLocation;
import hr.fer.zemris.vhdllab.applets.editor.schema2.model.QueryResult;
import java.util.ArrayList;
import java.util.List;
/**
* Vraca listu apsolutnih pozicija pinova na koje je spojena
* specificirana zica.
*
* Vraca objekt tipa List<XYLocation> pod
* kljucem KEY_PIN_LOCATIONS.
*
* @author Axel
*
*/
public class FindConnectedPins implements IQuery {
/* static fields */
private static final List<EPropertyChange> DEPENDENT_ON = new ArrayList<EPropertyChange>();
public static final String KEY_PIN_LOCATIONS = "pin_locations";
static {
DEPENDENT_ON.add(EPropertyChange.ANY_CHANGE);
}
/* private fields */
private Caseless wirename;
/* ctors */
public FindConnectedPins(Caseless nameOfWire) {
wirename = nameOfWire;
}
/* methods */
@Override
public List<EPropertyChange> getPropertyDependency() {
return DEPENDENT_ON;
}
@Override
public String getQueryName() {
return getClass().getSimpleName();
}
@Override
public boolean isCacheable() {
return true;
}
@Override
public IQueryResult performQuery(ISchemaInfo info) {
// check if wire exists
if (!info.getWires().containsName(wirename)) return new QueryResult(false);
// get pins this wire is connected to
List<XYLocation> positions = new ArrayList<XYLocation>();
for (PlacedComponent placed : info.getComponents()) {
if (placed.comp != null) {
for (SchemaPort sp : placed.comp.getSchemaPorts()) {
Caseless mappedto = sp.getMapping();
if (Caseless.isNullOrEmpty(mappedto)) continue;
if (!mappedto.equals(wirename)) continue;
positions.add(new XYLocation(placed.pos.x + sp.getOffset().x,
placed.pos.y + sp.getOffset().y));
}
}
}
return new QueryResult(KEY_PIN_LOCATIONS, positions);
}
}