From 934eaee94e0a16b4f76a19521a13ce86fdea8d9c Mon Sep 17 00:00:00 2001
From: Phil Hughes <me@iamphill.com>
Date: Wed, 23 Nov 2016 14:00:06 +0000
Subject: [PATCH] Fixed dragging issues on issue boards

Closes #24654
---
 app/assets/javascripts/boards/components/board_card.js.es6 | 3 +++
 app/assets/javascripts/boards/components/board_list.js.es6 | 6 ++----
 app/views/projects/boards/components/_board_list.html.haml | 2 +-
 app/views/projects/boards/components/_card.html.haml       | 1 +
 changelogs/unreleased/issue-boards-dragging-fix.yml        | 4 ++++
 5 files changed, 11 insertions(+), 5 deletions(-)
 create mode 100644 changelogs/unreleased/issue-boards-dragging-fix.yml

diff --git a/app/assets/javascripts/boards/components/board_card.js.es6 b/app/assets/javascripts/boards/components/board_card.js.es6
index b1afbe7d97e..2299dafd217 100644
--- a/app/assets/javascripts/boards/components/board_card.js.es6
+++ b/app/assets/javascripts/boards/components/board_card.js.es6
@@ -54,6 +54,9 @@
       mouseDown () {
         this.showDetail = true;
       },
+      mouseMove() {
+        this.showDetail = false;
+      },
       showIssue (e) {
         const targetTagName = e.target.tagName.toLowerCase();
 
diff --git a/app/assets/javascripts/boards/components/board_list.js.es6 b/app/assets/javascripts/boards/components/board_list.js.es6
index 379f4f0d72b..8e91cbfac75 100644
--- a/app/assets/javascripts/boards/components/board_list.js.es6
+++ b/app/assets/javascripts/boards/components/board_list.js.es6
@@ -94,12 +94,10 @@
           gl.issueBoards.onStart();
         },
         onAdd: (e) => {
-          // Add the element back to original list to allow Vue to handle DOM updates
-          e.from.appendChild(e.item);
+          gl.issueBoards.BoardsStore.moveIssueToList(Store.moving.list, this.list, Store.moving.issue);
 
           this.$nextTick(() => {
-            // Update the issues once we know the element has been moved
-            gl.issueBoards.BoardsStore.moveIssueToList(Store.moving.list, this.list, Store.moving.issue);
+            e.item.remove();
           });
         },
       });
diff --git a/app/views/projects/boards/components/_board_list.html.haml b/app/views/projects/boards/components/_board_list.html.haml
index d86e0ed8540..34fdb1f6a74 100644
--- a/app/views/projects/boards/components/_board_list.html.haml
+++ b/app/views/projects/boards/components/_board_list.html.haml
@@ -35,7 +35,7 @@
       ":issue" => "issue",
       ":issue-link-base" => "issueLinkBase",
       ":disabled" => "disabled",
-      "key" => "id" }
+      ":key" => "issue.id" }
     %li.board-list-count.text-center{ "v-if" => "showCount" }
       = icon("spinner spin", "v-show" => "list.loadingMore" )
       %span{ "v-if" => "list.issues.length === list.issuesSize" }
diff --git a/app/views/projects/boards/components/_card.html.haml b/app/views/projects/boards/components/_card.html.haml
index 72b31b8cdae..34effac17b2 100644
--- a/app/views/projects/boards/components/_card.html.haml
+++ b/app/views/projects/boards/components/_card.html.haml
@@ -1,6 +1,7 @@
 %li.card{ ":class" => '{ "user-can-drag": !disabled && issue.id, "is-disabled": disabled || !issue.id, "is-active": issueDetailVisible }',
   ":index" => "index",
   "@mousedown" => "mouseDown",
+  "@mousemove" => "mouseMove",
   "@mouseup" => "showIssue($event)" }
   %h4.card-title
     = icon("eye-slash", class: "confidential-icon", "v-if" => "issue.confidential")
diff --git a/changelogs/unreleased/issue-boards-dragging-fix.yml b/changelogs/unreleased/issue-boards-dragging-fix.yml
new file mode 100644
index 00000000000..565e09b930b
--- /dev/null
+++ b/changelogs/unreleased/issue-boards-dragging-fix.yml
@@ -0,0 +1,4 @@
+---
+title: Fixed issue boards dragging card removing random issues
+merge_request: 
+author: