source: winedb/src/utils/WrappedString.java

package utils;

import java.awt.*;
import java.util.*;

public class WrappedString {
        private ArrayList<String> lstStrings;
        private FontMetrics metrics;
        
        public WrappedString(String str, FontMetrics metrics, int width) {
                lstStrings = new ArrayList<String>();
                this.metrics = metrics;
                
                while(!str.equals("")) {
                        int cur = 1;
                        int lastSpace = -1;
                        while(cur <= str.length() && metrics.stringWidth(str.substring(0, cur)) < width) {
                                if(str.substring(cur-1, cur).equals(" "))
                                        lastSpace = cur-1;
                                cur++;
                        }
                        if(lastSpace == -1 || cur > str.length()) {
                                lstStrings.add(str.substring(0, cur-1));
                                str = str.substring(cur-1);
                        }else {
                                lstStrings.add(str.substring(0, lastSpace));
                                str = str.substring(lastSpace+1);
                        }
                        
                        //get rid of leading spaces
                        while(str.length() > 0 && str.substring(0,1).equals(" "))
                                str = str.substring(1);
                }
        }
        
        public int getLineCount() {
                return lstStrings.size();
        }
        
        public String getLine(int index) {
                return lstStrings.get(index);
        }
        
        public FontMetrics getMetrics() {
                return metrics;
        }
        
        public void draw(Graphics g, int x, int y) {
                for(int i=0; i<getLineCount(); i++)
                        g.drawString(getLine(i), x, y+i*metrics.getHeight());
        }
}