src/be/nikiroo/jvcard/tui/StringUtils.java

   1 package be.nikiroo.jvcard.tui;
   2
   3 import com.googlecode.lanterna.gui2.LinearLayout.Alignment;
   4
   5 public class StringUtils {
   6
   7         static public String padString(String text, int width) {
   8                 return padString(text, width, true, Alignment.Beginning);
   9         }
  10
  11         // TODO: doc it, width of -1 == no change to text
  12         static public String padString(String text, int width, boolean cut,
  13                         Alignment align) {
  14
  15                 if (width >= 0) {
  16                         if (text == null)
  17                                 text = "";
  18
  19                         int diff = width - text.length();
  20
  21                         if (diff < 0) {
  22                                 if (cut)
  23                                         text = text.substring(0, width);
  24                         } else if (diff > 0) {
  25                                 if (diff < 2 && align != Alignment.End)
  26                                         align = Alignment.Beginning;
  27
  28                                 switch (align) {
  29                                 case Beginning:
  30                                         text = text + new String(new char[diff]).replace('\0', ' ');
  31                                         break;
  32                                 case End:
  33                                         text = new String(new char[diff]).replace('\0', ' ') + text;
  34                                         break;
  35                                 case Center:
  36                                 case Fill:
  37                                 default:
  38                                         int pad1 = (diff) / 2;
  39                                         int pad2 = (diff + 1) / 2;
  40                                         text = new String(new char[pad1]).replace('\0', ' ') + text
  41                                                         + new String(new char[pad2]).replace('\0', ' ');
  42                                         break;
  43                                 }
  44                         }
  45                 }
  46
  47                 return text;
  48         }
  49
  50 }