| 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 | } |