TextRegion.java

package edu.stanford.hci.r3.paper.regions;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.geom.Rectangle2D;

import edu.stanford.hci.r3.paper.Region;
import edu.stanford.hci.r3.render.RegionRenderer;
import edu.stanford.hci.r3.render.regions.TextRenderer;
import edu.stanford.hci.r3.units.Points;
import edu.stanford.hci.r3.units.Units;
import edu.stanford.hci.r3.util.StringUtils;

public class TextRegion extends Region {

        private Rectangle2D bounds;

        private Color color = new Color(100, 100, 100, 128);

        private Font font;

        private Points heightInPoints;

        private String[] lines;

        private Units originX;

        private Units originY;

        private String text;

        private Points widthInPoints;

        private boolean isLineWrapped = false;
        
        private int maxLines = -1;
        
        public TextRegion(String name, String theText, Font theFont, Units origX, Units origY) {
                super(name, origX);
                text = theText;
                font = theFont;

                originX = origX;
                originY = origY;

                lines = theText.split("\n");

                // determine the font's boundaries
                // represent it as a Rectangle (x, y, w, h)
                final Dimension stringSize = StringUtils.getStringSize(text, font);
                heightInPoints = new Points(stringSize.getHeight());
                widthInPoints = new Points(stringSize.getWidth());
                final Rectangle2D rect = new Rectangle2D.Double(origX.getValue(), origY
                                .getValueIn(referenceUnits), widthInPoints.getValueIn(referenceUnits),
                                heightInPoints.getValueIn(referenceUnits));
                bounds = rect;
                setShape(rect);
        }

        public TextRegion(String name, String theText, Font theFont, Units origX, Units origY,
                        Units width, Units height) {
                super(name, origX);
                text = theText;
                font = theFont;

                originX = origX;
                originY = origY;

                lines = theText.split("\n");

                // determine the font's boundaries
                // represent it as a Rectangle (x, y, w, h)
                final Dimension stringSize = StringUtils.getStringSize(text, font);
                heightInPoints = new Points(stringSize.getHeight());
                widthInPoints = new Points(stringSize.getWidth());
                final Rectangle2D rect = new Rectangle2D.Double(origX.getValue(), origY
                                .getValueIn(referenceUnits), width.getValueIn(referenceUnits), height
                                .getValueIn(referenceUnits));
                bounds = rect;
                setShape(rect);
        }

        public Color getColor() {
                return color;
        }

        public Font getFont() {
                return font;
        }

        public String[] getLinesOfText() {
                return lines;
        }

        public RegionRenderer getRenderer() {
                return new TextRenderer(this);
        }

        public String getText() {
                return text;
        }

        public Units getX() {
                return originX;
        }

        public Units getY() {
                return originY;
        }

        public void setColor(Color c) {
                color = c;
        }

        public void setLineWrapped(boolean b) {
                isLineWrapped = b;
        }
        
        public boolean isLineWrapped() {
                return isLineWrapped;
        }
        
        public void setMaxLines(int i) {
                maxLines = i;
        }
        
        public int getMaxLines() {
                return maxLines;
        }
        
        public String toString() {
                return "Text: {" + text + "} " + font.getSize() + "pt " + font.getName()
                                + " at Bounds: [x=" + originX.getValue() + " y=" + originY.getValue() + " w="
                                + bounds.getWidth() + " h=" + bounds.getHeight() + "] in "
                                + referenceUnits.getUnitName();
        }
}

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