jp.sourceforge.moreemacs/src/jp/sourceforge/moreemacs/handlers/TransposeWordsExecution.java

   1 package jp.sourceforge.moreemacs.handlers;\r
   2 \r
   3 import org.eclipse.jface.text.BadLocationException;\r
   4 \r
   5 public final class TransposeWordsExecution extends TextEditorExecution {\r
   6     @Override\r
   7     public void execute() throws BadLocationException {\r
   8         if(!textEditor.isEditable()) {\r
   9             return;\r
  10         }\r
  11 \r
  12         int current = cursor.offset();\r
  13         int previousBegin = BackwardWordExecution.getPreviousWordPosition(doc, current);\r
  14         int previousEnd = ForwardWordExecution.getNextWordPosition(doc, previousBegin);\r
  15         int nextEnd = ForwardWordExecution.getNextWordPosition(doc, current);\r
  16         int nextBegin = BackwardWordExecution.getPreviousWordPosition(doc, nextEnd);\r
  17         \r
  18         if(nextBegin <= previousEnd) {\r
  19             return;\r
  20         }\r
  21         \r
  22         String previous = doc.get(previousBegin, previousEnd-previousBegin);\r
  23         String simbols = doc.get(previousEnd, nextBegin-previousEnd);\r
  24         String next = doc.get(nextBegin, nextEnd-nextBegin);\r
  25 \r
  26         doc.replace(previousBegin,\r
  27                 nextEnd-previousBegin,\r
  28                 next+simbols+previous);\r
  29         \r
  30     }\r
  31 }\r