TimeHeaderChronology.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
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 * (C) Copyright 2009-2024, Arnaud Roques
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 * Original Author:  Arnaud Roques
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package net.sourceforge.plantuml.chronology;

import java.time.LocalDate;

import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.creole.Display;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.FontConfiguration;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.font.UFont;
import net.sourceforge.plantuml.klimt.geom.HorizontalAlignment;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.klimt.shape.ULine;
import net.sourceforge.plantuml.klimt.sprite.SpriteContainerEmpty;
import net.sourceforge.plantuml.project.core.PrintScale;
import net.sourceforge.plantuml.project.time.TimePoint;
import net.sourceforge.plantuml.project.timescale.TimeScale;
import net.sourceforge.plantuml.style.PName;
import net.sourceforge.plantuml.style.SName;

public class TimeHeaderChronology extends TimeHeader2 {

	private final PrintScale printScale;

	@Override
	public double getFullHeaderHeight(StringBounder stringBounder) {
		return getTimeHeaderHeight(stringBounder) + getHeaderNameDayHeight();
	}

	@Override
	public double getTimeHeaderHeight(StringBounder stringBounder) {
		final double h = thParam.getStyle(SName.timeline, SName.day).value(PName.FontSize).asDouble();
		return h + 6;
	}

	@Override
	public double getTimeFooterHeight(StringBounder stringBounder) {
		final double h = thParam.getStyle(SName.timeline, SName.day).value(PName.FontSize).asDouble();
		return h + 6;
	}

	private double getHeaderNameDayHeight() {
		return 0;
	}

	public TimeHeaderChronology(StringBounder stringBounder, TimeHeaderParameters2 thParam, PrintScale printScale,
			TimeScaleChronology timeScale) {
		super(thParam, timeScale);
		this.printScale = printScale;
	}

	private void drawSmallVlinesDay(UGraphic ug, TimeScale timeScale, double totalHeightWithoutFooter) {
		ug = ug.apply(getLineColor());
		ug = ug.apply(UTranslate.dy(6));
		final ULine vbar = ULine.vline(totalHeightWithoutFooter + 2);
		for (LocalDate day = getMinDay(); day.compareTo(getMaxDay()) <= 0; day = day.plusDays(1)) {
			final TimePoint wink = TimePoint.ofStartOfDay(day);
			final double x1 = timeScale.getPosition(wink);
			ug.apply(UTranslate.dx(x1)).draw(vbar);
		}
	}

	private void drawSimpleDayCounter(UGraphic ug, TimeScale timeScale) {
		for (LocalDate day = getMinDay(); day.compareTo(getMaxDay()) < 0; day = increment(day, printScale)) {
			final TimePoint wink = TimePoint.ofStartOfDay(day);
			final UFont font = thParam.getStyle(SName.timeline, SName.day).getUFont();
			final FontConfiguration fontConfiguration = getFontConfiguration(font, false, openFontColor());
			final TextBlock num = Display.getWithNewlines(getPragma(), wink.toStringShort(thParam.getLocale()))
					.create(fontConfiguration, HorizontalAlignment.LEFT, new SpriteContainerEmpty());
			final double x1 = timeScale.getPosition(wink);
			final double x2;
			if (printScale == PrintScale.WEEKLY)
				x2 = timeScale.getPosition(wink.addDays(6));
			else
				x2 = timeScale.getPosition(wink);
			final double width = num.calculateDimension(ug.getStringBounder()).getWidth();
			final double delta = (x2 - x1) - width;
			if (wink.compareTo(TimePoint.ofStartOfDay(getMaxDay().plusDays(1))) < 0)
				num.drawU(ug.apply(UTranslate.dx(x1 + delta / 2)));

		}
	}

	private LocalDate increment(LocalDate day, PrintScale printScale) {
		if (printScale == PrintScale.WEEKLY)
			return day.plusDays(7);
		return day.plusDays(1);
	}

	@Override
	public void drawTimeHeader(UGraphic ug, double totalHeightWithoutFooter) {
		drawSmallVlinesDay(ug, getTimeScale(), totalHeightWithoutFooter);
		drawSimpleDayCounter(ug, getTimeScale());

	}

	@Override
	public void drawTimeFooter(UGraphic ug) {
		ug = ug.apply(UTranslate.dy(3));
		drawSimpleDayCounter(ug, getTimeScale());
	}

	// Duplicate in TimeHeaderDaily
	class Pending {
		final double x1;
		double x2;
		final HColor color;

		Pending(HColor color, double x1, double x2) {
			this.x1 = x1;
			this.x2 = x2;
			this.color = color;
		}

		public void draw(UGraphic ug, double height) {
			drawRectangle(ug.apply(color.bg()), height, x1, x2);
		}
	}

	protected final void drawTextsBackground(UGraphic ug, double totalHeightWithoutFooter) {

		final double height = totalHeightWithoutFooter - getFullHeaderHeight(ug.getStringBounder());
		Pending pending = null;

		for (LocalDate day = getMinDay(); day.compareTo(getMaxDay()) <= 0; day = day.plusDays(1)) {
			final TimePoint wink = TimePoint.ofStartOfDay(day);
			final double x1 = getTimeScale().getPosition(wink);
			final double x2 = getTimeScale().getPosition(wink);
			HColor back = thParam.getColor(wink);
//			// Day of week should be stronger than period of time (back color).
//			final HColor backDoW = colorDaysOfWeek.get(wink.getDayOfWeek());
//			if (backDoW != null) {
//				back = backDoW;
//			}
//			if (back == null && defaultPlan.getLoadAt(wink) == 0) {
//				back = closedBackgroundColor();
//			}
			if (back == null) {
				if (pending != null)
					pending.draw(ug, height);
				pending = null;
			} else {
				if (pending != null && pending.color.equals(back) == false) {
					pending.draw(ug, height);
					pending = null;
				}
				if (pending == null)
					pending = new Pending(back, x1, x2);
				else
					pending.x2 = x2;

			}
		}
	}

}