1 files changed, 23 insertions, 0 deletions
diff --git a/javascript/app/components/type-signature.js b/javascript/app/components/type-signature.js
new file mode 100644
index 0000000..ed1849c
--- /dev/null
+++ b/javascript/app/components/type-signature.js
@@ -0,0 +1,23 @@
+import Ember from 'ember';
+export default Ember.Component.extend({
+  tagName : "span",  
+  expandTypeSynonyms: false,  
+  expandTypeSynonymsLabel : Ember.computed('expandTypeSynonyms',function() {
+    return this.get('expandTypeSynonyms') ? "Show type synonyms" : "Expand type synonyms";
+  }),
+  components : Ember.computed('type','expandTypeSynonyms',function() {   
+    if(this.get('expandTypeSynonyms') && this.get('type.componentsExpanded')) {
+      return this.get('type.componentsExpanded');
+    } else {
+      return this.get('type.components');
+    }
+  }),
+  typeObserver : Ember.observer('type',function() {
+    this.set('expandTypeSynonyms',false);
+  }),  
+  actions : {
+    toggleExpandTypeSynonyms () {
+      this.toggleProperty('expandTypeSynonyms');
+    }
+  }
+});