LoopTimes.java

gehe zur Dokumentation dieser Datei

package de.lathanda.eos.gui.flowchart;
 
import de.lathanda.eos.baseparser.LoopTimesUnit;
import de.lathanda.eos.gui.diagram.Drawing;
import de.lathanda.eos.gui.text.Text;
 
import java.text.MessageFormat;
 
public class LoopTimes extends ConnectedUnit {
    private final Sequence sequence;
    private final Statement init;
    private final Statement inc;
    private final Diamond diam;
    private final String yes = Text.LABEL.getString("Yes");
    private final String no = Text.LABEL.getString("No");
    private final String var;
    private final String step;
 
    private float yesx;
    private float yesy;
    private float nox;
    private float noy;
 
    private float center;
 
    LoopTimes(LoopTimesUnit n) {
        sequence = new Sequence(n.getSequence());
        var = MessageFormat.format(Text.LABEL.getString("RepeatTimes.Var"), n.getIndexId(), n.getTimes().getLabel());
        diam = new Diamond(MessageFormat.format(Text.LABEL.getString("RepeatTimes.Cond"), n.getIndexId()));
        step = MessageFormat.format(Text.LABEL.getString("RepeatTimes.Step"), n.getIndexId());
        init = new Statement(var);
        inc = new Statement(step);
        font = STANDARD_FONT;
    }
 
    @Override
    public void layoutUnit(Drawing d) {
        sequence.layout(d);
        init.layout(d);
        inc.layout(d);
        diam.layout(d);
 
        width = (float) Math.max(Math.max(sequence.getWidth(), diam.getWidth()),
                Math.max(inc.getWidth(), init.getWidth())) + 2 * SPACEX;
        center = (width / 2);
 
        // place counting variable initialization
        init.setOffsetX((width - init.getWidth()) / 2);
 
        // build diamond
        float h = init.getHeight() + SPACE;
        diam.setOffsetY(h);
        diam.centerX(width);
 
        yesx = diam.getX(3) + 1.5f * BORDER;
        yesy = diam.getY(3) + d.getAscent() - BORDER;
        nox = diam.getX(0) - d.stringWidth(no) - BORDER;
        noy = diam.getY(0) - BORDER;
 
        // place loop body
        h = diam.getBottom() + SPACE;
        sequence.setOffsetX((width - sequence.getWidth()) / 2);
        sequence.setOffsetY(h);
 
        // place increment
        h = h + sequence.getHeight() + SPACE;
        inc.setOffsetX((width - inc.getWidth()) / 2);
        inc.setOffsetY(h);
 
        height = h + inc.getHeight() + SPACE + SPACE;
    }
 
    @Override
    public void drawUnit(Drawing d) {
        // draw init
        init.draw(d);
 
        // arrow init -> diamond
        d.drawArrow(diam.getX(1), diam.getY(1) - SPACE, diam.getX(1), diam.getY(1), 2);
 
        // condition diamond
        diam.draw(d);
 
        // true arrow
        d.drawString(yes, yesx, yesy);
        d.drawArrow(diam.getX(3), diam.getY(3), diam.getX(3), diam.getY(3) + SPACE, 2);
 
        // draw loop body
        sequence.draw(d);
 
        // false skip line
        d.drawString(no, nox, noy);
        d.drawLine(diam.getX(0), diam.getY(0), 0, diam.getY(0));
        d.drawLine(0, diam.getY(0), 0, height);
        d.drawLine(0, height, width / 2, height);
 
        // draw squence -> inc arrow
        float y = inc.getOffsetY();
        d.drawArrow(center, y - SPACE, center, y, 3);
 
        // draw inc
        inc.draw(d);
 
        // jump start arrow
        y = inc.getOffsetY() + inc.getHeight();
        d.drawLine(center, y, center, y + SPACE);
        d.drawLine(center, y + SPACE, width, y + SPACE);
        d.drawLine(width, y + SPACE, width, diam.getY(2));
        d.drawArrow(width, diam.getY(2), diam.getX(2), diam.getY(2), 2);
 
    }
}