ArchAttributesAction.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.action;

import java.awt.Point;
import javax.swing.Action;
import net.sf.gridarta.gui.dialog.gameobjectattributes.GameObjectAttributesDialogFactory;
import net.sf.gridarta.gui.map.mapview.MapView;
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.mapcursor.MapCursor;
import net.sf.gridarta.model.mapcursor.MapCursorListener;
import net.sf.gridarta.model.mapmodel.MapSquare;
import net.sf.gridarta.utils.EditorAction;
import net.sf.japi.swing.action.ActionMethod;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public class ArchAttributesAction<G extends GameObject<G, A, R>, A extends MapArchObject<A>, R extends Archetype<G, A, R>> implements EditorAction, MapCursorListener<G, A, R>, MapViewManagerListener<G, A, R> {

    @NotNull
    private final GameObjectAttributesDialogFactory<G, A, R> gameObjectAttributesDialogFactory;

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

    @Nullable
    private Action action;

    public ArchAttributesAction(@NotNull final GameObjectAttributesDialogFactory<G, A, R> gameObjectAttributesDialogFactory) {
        this.gameObjectAttributesDialogFactory = gameObjectAttributesDialogFactory;
        updateActions();
    }

    @ActionMethod
    public void archAttributes() {
        doArchAttributes(true);
    }

    @Override
    public void setAction(@NotNull final Action action, @NotNull final String name) {
        this.action = action;
    }

    private void updateActions() {
        if (action != null) {
            //noinspection ConstantConditions
            action.setEnabled(doArchAttributes(false));
        }
    }

    private boolean doArchAttributes(final boolean performAction) {
        if (currentMapView == null) {
            return false;
        }

        final MapCursor<G, A, R> mapCursor = currentMapView.getMapCursor();
        final G gameObject = mapCursor.getGameObject();
        if (gameObject == null) {
            return false;
        }

        if (performAction) {
            gameObjectAttributesDialogFactory.showAttributeDialog(gameObject);
        }

        return true;
    }

    @Override
    public void activeMapViewChanged(@Nullable final MapView<G, A, R> mapView) {
        currentMapView = mapView;
        updateActions();
    }

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

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

    @Override
    public void mapCursorChangedPos(@NotNull final Point location) {
        updateActions();
    }

    @Override
    public void mapCursorChangedMode() {
        // ignore
    }

    @Override
    public void mapCursorChangedGameObject(@Nullable final MapSquare<G, A, R> mapSquare, @Nullable final G gameObject) {
        // ignore
    }

    @Override
    public void mapCursorChangedSize() {
        // ignore
    }

}