platform/lang-impl/src/com/intellij/codeInsight/navigation/GotoImplementationHandler.java

   1 package com.intellij.codeInsight.navigation;
   2
   3 import com.intellij.codeInsight.TargetElementUtilBase;
   4 import com.intellij.openapi.editor.Editor;
   5 import com.intellij.openapi.util.Pair;
   6 import com.intellij.psi.PsiElement;
   7 import com.intellij.psi.PsiFile;
   8
   9 public class GotoImplementationHandler extends GotoTargetHandler {
  10   protected String getFeatureUsedKey() {
  11     return "navigation.goto.implementation";
  12   }
  13
  14   public Pair<PsiElement, PsiElement[]> getSourceAndTargetElements(Editor editor, PsiFile file) {
  15     int offset = editor.getCaretModel().getOffset();
  16     PsiElement source = TargetElementUtilBase.getInstance().findTargetElement(editor, ImplementationSearcher.getFlags(), offset);
  17     PsiElement[] target = new ImplementationSearcher().searchImplementations(editor, source, offset);
  18     if (target.length == 0) {
  19       return new Pair<PsiElement, PsiElement[]>(source, new PsiElement[] { source });
  20     }
  21     return new Pair<PsiElement, PsiElement[]>(source, target);
  22   }
  23
  24   protected String getChooserInFileTitleKey(PsiElement sourceElement) {
  25     return "goto.implementation.in.file.chooser.title";
  26   }
  27
  28   protected String getChooserTitleKey(PsiElement sourceElement) {
  29     return "goto.implementation.chooser.title";
  30   }
  31
  32 }