From 78e4fead49736d0f52a0649792a7d28a06987f3b Mon Sep 17 00:00:00 2001
From: Itprdev <github@itprojekt.ee>
Date: Thu, 28 Nov 2019 16:12:45 +0200
Subject: [PATCH] Feature request 552. Gnatt chart task with multiple
 dependencies

---
 src/diagrams/gantt/ganttDb.js | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/src/diagrams/gantt/ganttDb.js b/src/diagrams/gantt/ganttDb.js
index 90f5066a0..c5b266414 100644
--- a/src/diagrams/gantt/ganttDb.js
+++ b/src/diagrams/gantt/ganttDb.js
@@ -134,18 +134,32 @@ const getStartDate = function(prevTime, dateFormat, str) {
   str = str.trim();
 
   // Test for after
-  const re = /^after\s+([\d\w-]+)/;
+  const re = /^after\s+([\d\w- ]+)/;
   const afterStatement = re.exec(str.trim());
 
   if (afterStatement !== null) {
-    const task = findTaskById(afterStatement[1]);
+    // check all after ids and take the latest
+    let latestEndingTask = null;
+    afterStatement[1].split(' ').forEach(function(id) {
+      let task = findTaskById(id);
+      if (typeof task !== 'undefined') {
+        if (!latestEndingTask) {
+          latestEndingTask = task;
+        } else {
+          if (task.endTime > latestEndingTask.endTime) {
+            latestEndingTask = task;
+          }
+        }
+      }
+    });
 
-    if (typeof task === 'undefined') {
+    if (!latestEndingTask) {
       const dt = new Date();
       dt.setHours(0, 0, 0, 0);
       return dt;
+    } else {
+      return latestEndingTask.endTime;
     }
-    return task.endTime;
   }
 
   // Check for actual date set