001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.gui.mappaint.styleelement;
003
004import java.util.Objects;
005
006import org.openstreetmap.josm.data.osm.OsmPrimitive;
007import org.openstreetmap.josm.data.osm.Way;
008import org.openstreetmap.josm.data.osm.visitor.paint.MapPaintSettings;
009import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors;
010import org.openstreetmap.josm.data.osm.visitor.paint.StyledMapRenderer;
011import org.openstreetmap.josm.gui.mappaint.Cascade;
012import org.openstreetmap.josm.gui.mappaint.Environment;
013import org.openstreetmap.josm.gui.mappaint.Keyword;
014
015public class LineTextElement extends StyleElement {
016
017    private final TextLabel text;
018
019    protected LineTextElement(Cascade c, TextLabel text) {
020        super(c, 4.9f);
021        this.text = text;
022    }
023
024    public static LineTextElement create(final Environment env) {
025        final Cascade c = env.mc.getCascade(env.layer);
026
027        Keyword textPos = c.get(TEXT_POSITION, null, Keyword.class);
028        if (textPos != null && !"line".equals(textPos.val))
029            return null;
030
031        TextLabel text = TextLabel.create(env, PaintColors.TEXT.get(), false);
032        if (text == null)
033            return null;
034        return new LineTextElement(c, text);
035    }
036
037    @Override
038    public void paintPrimitive(OsmPrimitive primitive, MapPaintSettings paintSettings, StyledMapRenderer painter,
039            boolean selected, boolean outermember, boolean member) {
040        Way w = (Way) primitive;
041        painter.drawTextOnPath(w, text);
042    }
043
044    @Override
045    public boolean equals(Object obj) {
046        if (obj == null || getClass() != obj.getClass())
047            return false;
048        if (!super.equals(obj))
049            return false;
050        final LineTextElement other = (LineTextElement) obj;
051        return Objects.equals(text, other.text);
052    }
053
054    @Override
055    public int hashCode() {
056        return text.hashCode();
057    }
058
059    @Override
060    public String toString() {
061        return "LineTextElemStyle{" + super.toString() + "text=" + text + '}';
062    }
063}