Merge pull request #767 from ethereum/fixhighlights

fix highlights of tab

apps/remix-ide/src/app/components/side-panel.js

@@ -113,6 +113,7 @@ export class SidePanel extends AbstractPanel {
   async showContent (name) {
     super.showContent(name)
     this.renderHeader()
+    this.emit('focusChanged', name)
   }
 
   /** The header of the side panel */

apps/remix-ide/src/app/editor/SourceHighlighters.js

@@ -30,8 +30,9 @@ class SourceHighlighters {
     // eslint-disable-next-line
     try {
       if (!this.highlighters[from]) return
-      const sourceHighlight = new SourceHighlighter()
+      let sourceHighlight
       for (const index in this.highlighters[from]) {
+        sourceHighlight = new SourceHighlighter()
         sourceHighlight.currentSourceLocationFromfileName(
           this.highlighters[from][index].position,
           this.highlighters[from][index].source,