View.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2015 The Gridarta Developers.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package net.sf.gridarta.gui.panel.connectionview;

import java.awt.BorderLayout;
import java.awt.event.MouseListener;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.Map;
import java.util.TreeMap;
import java.util.Vector;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.event.ListSelectionListener;
import net.sf.gridarta.gui.delayedmapmodel.DelayedMapModelListener;
import net.sf.gridarta.gui.delayedmapmodel.DelayedMapModelListenerManager;
import net.sf.gridarta.gui.map.mapview.MapView;
import net.sf.gridarta.gui.map.mapview.MapViewManager;
import net.sf.gridarta.gui.map.mapview.MapViewManagerListener;
import net.sf.gridarta.model.archetype.Archetype;
import net.sf.gridarta.model.gameobject.GameObject;
import net.sf.gridarta.model.maparchobject.MapArchObject;
import net.sf.gridarta.model.mapmodel.MapModel;
import net.sf.gridarta.model.mapmodel.MapSquare;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public abstract class View<K, G extends GameObject<G, A, R>, A extends MapArchObject<A>, R extends Archetype<G, A, R>> extends JPanel {

    private static final long serialVersionUID = 1L;

    @NotNull
    private final Map<K, Connection<K>> connections;

    @NotNull
    private final JList<Connection<K>> connectionList = new JList<>();

    @Nullable
    private MapView<G, A, R> mapView;

    @NotNull
    private final MapViewManagerListener<G, A, R> mapViewManagerListener = new MapViewManagerListener<G, A, R>() {

        @Override
        public void activeMapViewChanged(@Nullable final MapView<G, A, R> mapView) {
            View.this.mapView = mapView;
            scanMapForConnections();
        }

        @Override
        public void mapViewCreated(@NotNull final MapView<G, A, R> mapView) {
            // ignore
        }

        @Override
        public void mapViewClosing(@NotNull final MapView<G, A, R> mapView) {
            // ignore
        }

    };

    @NotNull
    private final DelayedMapModelListener<G, A, R> delayedMapModelListener = new DelayedMapModelListener<G, A, R>() {

        @Override
        public void mapModelChanged(@NotNull final MapModel<G, A, R> mapModel) {
            if (mapView != null && mapModel == mapView.getMapControl().getMapModel()) {
                scanMapForConnections();
            }
        }

    };

    protected View(@NotNull final Comparator<K> keyComparator, @NotNull final CellRenderer<K> cellRenderer, @NotNull final MapViewManager<G, A, R> mapViewManager, @NotNull final DelayedMapModelListenerManager<G, A, R> delayedMapModelListenerManager) {
        connections = new TreeMap<>(keyComparator);
        setLayout(new BorderLayout());
        connectionList.setCellRenderer(cellRenderer);
        add(new JScrollPane(connectionList));
        delayedMapModelListenerManager.addDelayedMapModelListener(delayedMapModelListener);
        mapViewManager.addMapViewManagerListener(mapViewManagerListener);
    }

    @Nullable
    public MapView<G, A, R> getMapView() {
        return mapView;
    }

    public void addListSelectionListener(@NotNull final ListSelectionListener listener) {
        connectionList.addListSelectionListener(listener);
    }

    public void addListMouseListener(@NotNull final MouseListener listener) {
        connectionList.addMouseListener(listener);
    }

    private void scanMapForConnections() {
        connections.clear();
        if (mapView != null) {
            scanMapForConnections(mapView.getMapControl().getMapModel());
        }
        connectionList.setListData(new Vector<>(connections.values()));
    }

    private void scanMapForConnections(@NotNull final Iterable<MapSquare<G, A, R>> mapModel) {
        for (final Iterable<G> mapSquare : mapModel) {
            for (final G gameObject : mapSquare) {
                scanGameObjectForConnections(gameObject);
            }
        }
    }

    protected abstract void scanGameObjectForConnections(@NotNull G gameObject);

    protected void addConnection(@NotNull final K key, @NotNull final GameObject<G, A, R> gameObject) {
        if (!connections.containsKey(key)) {
            connections.put(key, new Connection<>(key));
        }
        connections.get(key).addGameObject(gameObject);
    }

    @NotNull
    public Iterable<Connection<K>> getSelectedConnections() {
        return new ArrayList<>(connectionList.getSelectedValuesList());
    }

}