also resolve global constants and provide goto Haehnchen#327

Author: Haehnchen

src/fr/adrienbrault/idea/symfony2plugin/templating/TwigTemplateGoToLocalDeclarationHandler.java

@@ -7,6 +7,7 @@
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiFile;
 import com.intellij.psi.util.PsiTreeUtil;
+import com.jetbrains.php.PhpIndex;
 import com.jetbrains.php.lang.psi.elements.Field;
 import com.jetbrains.php.lang.psi.elements.Method;
 import com.jetbrains.php.lang.psi.elements.PhpClass;
@@ -111,10 +112,17 @@ private Collection<PsiElement> getConstantGoto(PsiElement psiElement) {
  Collection<PsiElement> targetPsiElements = new ArrayList<PsiElement>();
 
  String contents = psiElement.getText();
- if(StringUtils.isBlank(contents) || !contents.contains(":")) {
+ if(StringUtils.isBlank(contents)) {
  return targetPsiElements;
  }
 
+ // global constant
+ if(!contents.contains(":")) {
+ targetPsiElements.addAll(PhpIndex.getInstance(psiElement.getProject()).getConstantsByName(contents));
+ return targetPsiElements;
+ }
+
+ // resolve class constants
  String[] parts = contents.split("::");
  if(parts.length != 2) {
  return targetPsiElements;