From af509ee1927e5bdcc5c39d57f760ddbc8e7f7b10 Mon Sep 17 00:00:00 2001
From: Kyle Buchanan <kylebuch8@gmail.com>
Date: Tue, 27 Aug 2019 16:18:57 -0400
Subject: [PATCH] adding ability to disable a pfe-collapse-toggle button

Fixes #516
---
 elements/pfe-collapse/demo/index.html         | 10 +++++++++
 elements/pfe-collapse/src/pfe-collapse.js     |  4 ++++
 .../pfe-collapse/test/pfe-collapse_test.html  | 22 +++++++++++++++++++
 3 files changed, 36 insertions(+)

diff --git a/elements/pfe-collapse/demo/index.html b/elements/pfe-collapse/demo/index.html
index edbfe20f6b..b070dcbfea 100644
--- a/elements/pfe-collapse/demo/index.html
+++ b/elements/pfe-collapse/demo/index.html
@@ -69,6 +69,16 @@ <h2>Standalone Toggle without a Panel</h2>
       Toggle without a panel
     </pfe-collapse-toggle>
 
+    <hr>
+
+    <h2>Disabled Toggle</h2>
+    <pfe-collapse>
+      <pfe-collapse-toggle disabled="disabled">Disabled Toggle</pfe-collapse-toggle>
+      <pfe-collapse-panel>
+        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
+      </pfe-collapse-panel>
+    </pfe-collapse>
+
     <script>
       var collapse = document.querySelector("pfe-collapse");
       var panel = collapse.querySelector("pfe-collapse-panel");
diff --git a/elements/pfe-collapse/src/pfe-collapse.js b/elements/pfe-collapse/src/pfe-collapse.js
index 361b00b022..39345047aa 100644
--- a/elements/pfe-collapse/src/pfe-collapse.js
+++ b/elements/pfe-collapse/src/pfe-collapse.js
@@ -110,6 +110,10 @@ class PfeCollapseToggle extends PFElement {
   }
 
   toggle() {
+    if (this.hasAttribute("disabled")) {
+      return;
+    }
+
     this.expanded = !this.expanded;
 
     if (this.controlledPanel) {
diff --git a/elements/pfe-collapse/test/pfe-collapse_test.html b/elements/pfe-collapse/test/pfe-collapse_test.html
index fa6b615e46..29a65f3d7d 100644
--- a/elements/pfe-collapse/test/pfe-collapse_test.html
+++ b/elements/pfe-collapse/test/pfe-collapse_test.html
@@ -36,6 +36,13 @@
       </pfe-collapse>
     </div>
 
+    <div id="disabled">
+      <pfe-collapse>
+        <pfe-collapse-toggle disabled="disabled">Toggle</pfe-collapse-toggle>
+        <pfe-collapse-panel>Panel</pfe-collapse-panel>
+      </pfe-collapse>
+    </div>
+
     <script>
       suite("<pfe-collapse>", () => {
         test("it should upgrade", () => {
@@ -241,6 +248,21 @@
             `pfe-collapse-toggle: This toggle doesn't have a panel associated with it`
           );
         });
+
+        test("it should not open the panel if the toggle has been disabled", done => {
+          const collapse = document.querySelector('#disabled pfe-collapse');
+          const toggle = collapse.querySelector('pfe-collapse-toggle');
+          const panel = collapse.querySelector("pfe-collapse-panel");
+
+          toggle.click();
+
+          flush(() => {
+            assert.equal(toggle.getAttribute("aria-expanded"), "false");
+            assert.isTrue(!panel.hasAttribute("pfe-expanded"));
+
+            done();
+          });
+        });
       });
     </script>
   </body>