[Fix] Sequence diagram actor menu popup

cypress/integration/rendering/sequencediagram.spec.js

@@ -792,6 +792,34 @@ context('Sequence diagram', () => {
     });
   });
   context('links', () => {
+    it('should support actor links', () => {
+      renderGraph(
+        `
+      sequenceDiagram
+        link Alice: Dashboard @ https://dashboard.contoso.com/alice
+        link Alice: Wiki @ https://wiki.contoso.com/alice
+        link John: Dashboard @ https://dashboard.contoso.com/john
+        link John: Wiki @ https://wiki.contoso.com/john
+        Alice->>John: Hello John<br/>
+        John-->>Alice: Great<br/><br/>day!
+      `,
+        { securityLevel: 'loose' }
+      );
+      cy.get('#actor0_popup').should((popupMenu) => {
+        const style = popupMenu.attr('style');
+        expect(style).to.undefined;
+      });
+      cy.get('#root-0').click();
+      cy.get('#actor0_popup').should((popupMenu) => {
+        const style = popupMenu.attr('style');
+        expect(style).to.match(/^display: block;$/);
+      });
+      cy.get('#root-0').click();
+      cy.get('#actor0_popup').should((popupMenu) => {
+        const style = popupMenu.attr('style');
+        expect(style).to.match(/^display: none;$/);
+      });
+    });
     it('should support actor links and properties EXPERIMENTAL: USE WITH CAUTION', () => {
       //Be aware that the syntax for "properties" is likely to be changed.
       imgSnapshotTest(

demos/sequence.html

@@ -23,6 +23,10 @@ <h1>Sequence diagram demos</h1>
 			participant Alice
 			participant Bob
 			participant John as John<br />Second Line
+			link Alice: Dashboard @ https://dashboard.contoso.com/alice
+			link Alice: Wiki @ https://wiki.contoso.com/alice
+			link John: Dashboard @ https://dashboard.contoso.com/john
+			link John: Wiki @ https://wiki.contoso.com/john
 			autonumber 10 10
 			rect rgb(200, 220, 100)
 			rect rgb(200, 255, 200)
@@ -62,6 +66,26 @@ <h1>Sequence diagram demos</h1>
 	</pre>
     <hr />
     <pre class="mermaid">
+    ---
+    title: With forced menus
+    config:
+      sequence:
+        forceMenus: true
+    ---
+    sequenceDiagram
+      participant Alice
+      participant John
+      link Alice: Dashboard @ https://dashboard.contoso.com/alice
+      link Alice: Wiki @ https://wiki.contoso.com/alice
+      link John: Dashboard @ https://dashboard.contoso.com/john
+      link John: Wiki @ https://wiki.contoso.com/john
+      Alice->>John: Hello John, how are you?
+      John-->>Alice: Great!
+      Alice-)John: See you later!
+  </pre
+    >
+    <hr />
+    <pre class="mermaid">
     sequenceDiagram
       accTitle: Sequence diagram title is here
       accDescr: Hello friends

packages/mermaid/src/diagrams/sequence/svgDraw.js

@@ -10,22 +10,6 @@ export const drawRect = function (elem, rectData) {
   return svgDrawCommon.drawRect(elem, rectData);
 };
 
-const addPopupInteraction = (id, actorCnt) => {
-  addFunction(() => {
-    const arr = document.querySelectorAll(id);
-    // This will be the case when running in sandboxed mode
-    if (arr.length === 0) {
-      return;
-    }
-    arr[0].addEventListener('mouseover', function () {
-      popupMenuUpFunc('actor' + actorCnt + '_popup');
-    });
-    arr[0].addEventListener('mouseout', function () {
-      popupMenuDownFunc('actor' + actorCnt + '_popup');
-    });
-  });
-};
-
 export const drawPopup = function (elem, actor, minMenuWidth, textAttrs, forceMenus) {
   if (actor.links === undefined || actor.links === null || Object.keys(actor.links).length === 0) {
     return { height: 0, width: 0 };
@@ -44,7 +28,6 @@ export const drawPopup = function (elem, actor, minMenuWidth, textAttrs, forceMe
   g.attr('id', 'actor' + actorCnt + '_popup');
   g.attr('class', 'actorPopupMenu');
   g.attr('display', displayValue);
-  addPopupInteraction('#actor' + actorCnt + '_popup', actorCnt);
   var actorClass = '';
   if (rectData.class !== undefined) {
     actorClass = ' ' + rectData.class;
@@ -90,36 +73,14 @@ export const drawPopup = function (elem, actor, minMenuWidth, textAttrs, forceMe
   return { height: rectData.height + linkY, width: menuWidth };
 };
 
-export const popupMenu = function (popid) {
+const popupMenuToggle = function (popid) {
   return (
     "var pu = document.getElementById('" +
     popid +
-    "'); if (pu != null) { pu.style.display = 'block'; }"
+    "'); if (pu != null) { pu.style.display = pu.style.display == 'block' ? 'none' : 'block'; }"
   );
 };
 
-export const popdownMenu = function (popid) {
-  return (
-    "var pu = document.getElementById('" +
-    popid +
-    "'); if (pu != null) { pu.style.display = 'none'; }"
-  );
-};
-
-const popupMenuUpFunc = function (popupId) {
-  var pu = document.getElementById(popupId);
-  if (pu != null) {
-    pu.style.display = 'block';
-  }
-};
-
-const popupMenuDownFunc = function (popupId) {
-  var pu = document.getElementById(popupId);
-  if (pu != null) {
-    pu.style.display = 'none';
-  }
-};
-
 export const drawText = function (elem, textData) {
   let prevTextHeight = 0;
   let textHeight = 0;
@@ -329,6 +290,9 @@ const drawActorTypeParticipant = function (elem, actor, conf, isFooter) {
 
   if (!isFooter) {
     actorCnt++;
+    if (Object.keys(actor.links || {}).length && !conf.forceMenus) {
+      g.attr('onclick', popupMenuToggle(`actor${actorCnt}_popup`)).attr('cursor', 'pointer');
+    }
     g.append('line')
       .attr('id', 'actor' + actorCnt)
       .attr('x1', center)
@@ -345,7 +309,6 @@ const drawActorTypeParticipant = function (elem, actor, conf, isFooter) {
 
     if (actor.links != null) {
       g.attr('id', 'root-' + actorCnt);
-      addPopupInteraction('#root-' + actorCnt, actorCnt);
     }
   }
 
@@ -1053,8 +1016,6 @@ export default {
   insertClockIcon,
   getTextObj,
   getNoteRect,
-  popupMenu,
-  popdownMenu,
   fixLifeLineHeights,
   sanitizeUrl,
 };