(#10182) Rule order not preserved when using parent reference in sass

Change-Id: Ief701eef3a262c4fd0c14241c54b3d57cb858027

3 files changed, 15 insertions, 13 deletions

diff --git a/theme-compiler/src/com/vaadin/sass/ScssStylesheet.java b/theme-compiler/src/com/vaadin/sass/ScssStylesheet.java
index 45578deb19..5f46844641 100644
--- a/theme-compiler/src/com/vaadin/sass/ScssStylesheet.java
+++ b/theme-compiler/src/com/vaadin/sass/ScssStylesheet.java
@@ -38,7 +38,6 @@ import com.vaadin.sass.tree.Node;
 import com.vaadin.sass.tree.VariableNode;
 import com.vaadin.sass.tree.controldirective.IfElseDefNode;
 import com.vaadin.sass.visitor.ImportNodeHandler;
-import com.vaadin.sass.visitor.ParentSelectorHandler;
 
 public class ScssStylesheet extends Node {
 
@@ -52,6 +51,8 @@ public class ScssStylesheet extends Node {
 
     private static final HashSet<IfElseDefNode> ifElseDefNodes = new HashSet<IfElseDefNode>();
 
+    private static HashMap<Node, Node> lastNodeAdded = new HashMap<Node, Node>();
+
     private String fileName;
 
     /**
@@ -130,7 +131,7 @@ public class ScssStylesheet extends Node {
         mixinDefs.clear();
         variables.clear();
         ifElseDefNodes.clear();
-        ParentSelectorHandler.clear();
+        lastNodeAdded.clear();
         importOtherFiles(this);
         populateDefinitions(this);
         traverse(this);
@@ -245,4 +246,8 @@ public class ScssStylesheet extends Node {
         return fileName;
     }
 
+    public static HashMap<Node, Node> getLastNodeAdded() {
+        return lastNodeAdded;
+    }
+
 }
diff --git a/theme-compiler/src/com/vaadin/sass/visitor/BlockNodeHandler.java b/theme-compiler/src/com/vaadin/sass/visitor/BlockNodeHandler.java
index d338cb0843..0d00fd2d0c 100644
--- a/theme-compiler/src/com/vaadin/sass/visitor/BlockNodeHandler.java
+++ b/theme-compiler/src/com/vaadin/sass/visitor/BlockNodeHandler.java
@@ -19,13 +19,12 @@ package com.vaadin.sass.visitor;
 import java.util.ArrayList;
 import java.util.HashMap;
 
+import com.vaadin.sass.ScssStylesheet;
 import com.vaadin.sass.tree.BlockNode;
 import com.vaadin.sass.tree.Node;
 
 public class BlockNodeHandler {
 
-    private static HashMap<Node, Node> lastNodeAdded = new HashMap<Node, Node>();
-
     public static void traverse(BlockNode node) {
 
         Node parent = node.getParentNode();
@@ -61,6 +60,7 @@ public class BlockNodeHandler {
         }
         node.setSelectorList(newList);
         Node oldParent = node.getParentNode();
+        HashMap<Node, Node> lastNodeAdded = ScssStylesheet.getLastNodeAdded();
         if (lastNodeAdded.get(oldParent) != null) {
             node.getParentNode().getParentNode()
                     .appendChild(node, lastNodeAdded.get(oldParent));
diff --git a/theme-compiler/src/com/vaadin/sass/visitor/ParentSelectorHandler.java b/theme-compiler/src/com/vaadin/sass/visitor/ParentSelectorHandler.java
index 4098cc7cad..cb7b0ac8a8 100644
--- a/theme-compiler/src/com/vaadin/sass/visitor/ParentSelectorHandler.java
+++ b/theme-compiler/src/com/vaadin/sass/visitor/ParentSelectorHandler.java
@@ -19,13 +19,12 @@ package com.vaadin.sass.visitor;
 import java.util.ArrayList;
 import java.util.HashMap;
 
+import com.vaadin.sass.ScssStylesheet;
 import com.vaadin.sass.tree.BlockNode;
 import com.vaadin.sass.tree.Node;
 
 public class ParentSelectorHandler {
 
-    private static HashMap<Node, Node> parentSelectors = new HashMap<Node, Node>();
-
     public static void traverse(BlockNode block) throws Exception {
         Node parentNode = block.getParentNode();
         if (parentNode instanceof BlockNode) {
@@ -48,22 +47,20 @@ public class ParentSelectorHandler {
             if (isParentSelector) {
                 block.setSelectorList(newList);
                 Node oldparent = block.getParentNode();
-                if (parentSelectors.containsKey(block.getParentNode())) {
+                HashMap<Node, Node> lastNodeAdded = ScssStylesheet
+                        .getLastNodeAdded();
+                if (lastNodeAdded.containsKey(block.getParentNode())) {
                     block.getParentNode()
                             .getParentNode()
                             .appendChild(block,
-                                    parentSelectors.get(block.getParentNode()));
+                                    lastNodeAdded.get(block.getParentNode()));
                 } else {
                     block.getParentNode().getParentNode()
                             .appendChild(block, block.getParentNode());
                 }
 
-                parentSelectors.put(oldparent, block);
+                lastNodeAdded.put(oldparent, block);
             }
         }
     }
-
-    public static void clear() {
-        parentSelectors.clear();
-    }
 }