DialogAttributeFloat.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2023 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.dialog.gameobjectattributes;
 
import javax.swing.JFormattedTextField;
import javax.swing.text.Document;
import javax.swing.text.Style;
import net.sf.gridarta.model.archetype.Archetype;
import net.sf.gridarta.model.archetypetype.ArchetypeAttributeFloat;
import net.sf.gridarta.model.archetypetype.ArchetypeType;
import net.sf.gridarta.model.gameobject.GameObject;
import net.sf.gridarta.model.maparchobject.MapArchObject;
import org.jetbrains.annotations.NotNull;
 
public class DialogAttributeFloat<G extends GameObject<G, A, R>, A extends MapArchObject<A>, R extends Archetype<G, A, R>> extends DialogAttribute<G, A, R, ArchetypeAttributeFloat> {
 
    @NotNull
    private final JFormattedTextField input;
 
    public DialogAttributeFloat(@NotNull final ArchetypeAttributeFloat ref, @NotNull final JFormattedTextField input) {
        super(ref);
        this.input = input;
    }
 
    @NotNull
    @Override
    public String getObjectText(@NotNull final G gameObject, @NotNull final Archetype<G, A, R> archetype, @NotNull final String @NotNull [] newMsg, @NotNull final ArchetypeType archetypeType) throws InvalidAttributeException {
        final String archetypeAttributeName = getRef().getArchetypeAttributeName();
        if (input.getText().trim().isEmpty()) {
            if (archetype.hasAttribute(archetypeAttributeName)) {
                return archetypeAttributeName + " 0.0";
            }
        } else {
            try {
                final double value = (Double) input.getValue();
                // The following floating point equality comparison is okay and known not to cause problems.
                //noinspection FloatingPointEquality
                if (archetype.getAttributeDouble(archetypeAttributeName) != value) {
                    return archetypeAttributeName + " " + value;
                }
            } catch (final NumberFormatException ignored) {
                throw new InvalidAttributeException("must be a number");
            }
        }
 
        return "";
    }
 
    @Override
    public void appendSummary(@NotNull final Document doc, @NotNull final Style style) {
        final String value = input.getText();
        if (value == null || value.isEmpty() || value.equals("0")) {
            return;
        }
 
        addLine(doc, style, "", " = " + value);
    }
 
}