First drop of structure view for javascript implemented.

openapi/src/com/intellij/lang/Language.java

@@ -1,6 +1,7 @@
 package com.intellij.lang;
 
 import com.intellij.codeFormatting.PseudoTextBuilder;
+import com.intellij.ide.structureView.StructureViewModel;
 import com.intellij.lang.annotation.Annotator;
 import com.intellij.lang.cacheBuilder.WordsScanner;
 import com.intellij.lang.folding.FoldingBuilder;
@@ -8,6 +9,7 @@ import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.fileTypes.PlainSyntaxHighlighter;
 import com.intellij.openapi.fileTypes.SyntaxHighlighter;
 import com.intellij.openapi.project.Project;
+import com.intellij.psi.PsiElement;
 import com.intellij.psi.tree.IElementType;
 
 import java.util.HashMap;
@@ -74,4 +76,8 @@ public abstract class Language {
   public String toString() {
     return "Language: " + myID;
   }
+
+  public StructureViewModel getStructureViewModel(final PsiElement psiElement) {
+    return null;
+  }
 }

openapi/src/com/intellij/openapi/fileTypes/LanguageFileType.java

@@ -1,6 +1,8 @@
 package com.intellij.openapi.fileTypes;
 
+import com.intellij.ide.structureView.StructureViewModel;
 import com.intellij.lang.Language;
+import com.intellij.lang.ParserDefinition;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.vfs.VirtualFile;
 
@@ -26,6 +28,11 @@ public abstract class LanguageFileType implements FileType{
     return myLanguage.getSyntaxHighlighter(project);
   }
 
+  public StructureViewModel getStructureViewModel(VirtualFile file, Project project) {
+    final ParserDefinition parserDefinition = myLanguage.getParserDefinition();
+    return parserDefinition != null ? myLanguage.getStructureViewModel(parserDefinition.createFile(project, file)) : null;
+  }
+
   public final boolean isBinary() {
     return false;
   }

source/com/intellij/ide/structureView/newStructureView/StructureTreeBuilder.java

@@ -106,9 +106,9 @@ final class StructureTreeBuilder extends AbstractTreeBuilder {
     }
 
     private void childrenChanged() {
-      if (myOutOfCodeBlockModificationCount == myModificationTracker.getOutOfCodeBlockModificationCount()) {
+      /*if (myOutOfCodeBlockModificationCount == myModificationTracker.getOutOfCodeBlockModificationCount()) {
         return;
-      }
+      }*/
       try {
         ((SmartTreeStructure)getTreeStructure()).rebuildTree();
         myUpdater.addSubtreeToUpdate(myRootNode);