org.simantics.plant3d/src/org/simantics/plant3d/dialog/ComponentLabelProvider.java

   1 package org.simantics.plant3d.dialog;
   2
   3 import org.eclipse.jface.viewers.LabelProvider;
   4 import org.simantics.plant3d.utils.Item;
   5
   6 public class ComponentLabelProvider extends LabelProvider{
   7
   8         @Override
   9         public String getText(Object element) {
  10                 Item item = (Item)element;
  11                 String label = item.getLabel();
  12                 return label != null ? label : fromCamelCase(item.getName());
  13         }
  14
  15         private static String fromCamelCase(String name) {
  16                 StringBuilder b = new StringBuilder(name);
  17                 for (int i = 0; i < b.length(); i++) {
  18                         char ch = b.charAt(i);
  19                         if (i == 0 && Character.isLowerCase(ch)) {
  20                                 b.setCharAt(i, Character.toUpperCase(ch));
  21                         }
  22                         else if (ch == '_') {
  23                                 if (i == 0 || b.charAt(i-1) == ' ') {
  24                                         b.deleteCharAt(i);
  25                                         i--;
  26                                 }
  27                                 else {
  28                                         b.setCharAt(i, ' ');
  29                                 }
  30                         }
  31                         else if (i >= 2 && Character.isLowerCase(ch) &&
  32                                         Character.isUpperCase(b.charAt(i-1)) &&
  33                                         b.charAt(i-2) != ' ') {
  34                                 b.insert(i-1, ' ');
  35                                 i++;
  36                         }
  37                 }
  38
  39                 return b.toString();
  40         }
  41 }