Adding animation for all dropdown

7 files changed, 95 insertions, 6 deletions

diff --git a/app/assets/javascripts/due_date_select.js b/app/assets/javascripts/due_date_select.js
index dd95b6530f6..a8fc5b41fb4 100644
--- a/app/assets/javascripts/due_date_select.js
+++ b/app/assets/javascripts/due_date_select.js
@@ -170,8 +170,9 @@ class DueDateSelectors {
       const $datePicker = $(this);
       const calendar = new Pikaday({
         field: $datePicker.get(0),
-        theme: 'gitlab-theme',
+        theme: 'gitlab-theme animate-picker',
         format: 'yyyy-mm-dd',
+        container: $datePicker.parent().get(0),
         onSelect(dateText) {
           $datePicker.val(dateFormat(new Date(dateText), 'yyyy-mm-dd'));
         }
diff --git a/app/assets/javascripts/issuable_form.js b/app/assets/javascripts/issuable_form.js
index de184ab2675..687c2bb6110 100644
--- a/app/assets/javascripts/issuable_form.js
+++ b/app/assets/javascripts/issuable_form.js
@@ -39,8 +39,9 @@
       if ($issuableDueDate.length) {
         calendar = new Pikaday({
           field: $issuableDueDate.get(0),
-          theme: 'gitlab-theme',
+          theme: 'gitlab-theme animate-picker',
           format: 'yyyy-mm-dd',
+          container: $issuableDueDate.parent().get(0),
           onSelect: function(dateText) {
             $issuableDueDate.val(dateFormat(new Date(dateText), 'yyyy-mm-dd'));
           }
diff --git a/app/assets/javascripts/member_expiration_date.js b/app/assets/javascripts/member_expiration_date.js
index 129d2dc5f0a..e034729bd39 100644
--- a/app/assets/javascripts/member_expiration_date.js
+++ b/app/assets/javascripts/member_expiration_date.js
@@ -18,9 +18,10 @@
 
       const calendar = new Pikaday({
         field: $input.get(0),
-        theme: 'gitlab-theme',
+        theme: 'gitlab-theme animate-picker',
         format: 'yyyy-mm-dd',
         minDate: new Date(),
+        container: $input.parent().get(0),
         onSelect(dateText) {
           $input.val(dateFormat(new Date(dateText), 'yyyy-mm-dd'));
 
diff --git a/app/assets/stylesheets/framework/dropdowns.scss b/app/assets/stylesheets/framework/dropdowns.scss
index b87e712c763..30d785464ac 100644
--- a/app/assets/stylesheets/framework/dropdowns.scss
+++ b/app/assets/stylesheets/framework/dropdowns.scss
@@ -14,14 +14,32 @@
   }
 }
 
+@mixin set-visible {
+  transform: translateY(0);
+  visibility: visible;
+  opacity: 1;
+  transition-duration: 100ms, 150ms, 25ms;
+  transition-delay: 35ms, 50ms, 25ms;
+}
+
+@mixin set-invisible {
+  transform: translateY(-10px);
+  visibility: hidden;
+  opacity: 0;
+  transition-property: opacity, transform, visibility;
+  transition-duration: 70ms, 250ms, 250ms;
+  transition-timing-function: linear, $dropdown-animation-timing;
+  transition-delay: 25ms, 50ms, 0ms;
+}
+
 .open {
   .dropdown-menu,
   .dropdown-menu-nav {
     display: block;
+    @include set-visible;
 
     @media (max-width: $screen-xs-max) {
       width: 100%;
-      min-width: 240px;
     }
   }
 
@@ -161,8 +179,9 @@
 
 .dropdown-menu,
 .dropdown-menu-nav {
-  display: none;
+  display: block;
   position: absolute;
+  width: 100%;
   top: 100%;
   left: 0;
   z-index: 9;
@@ -176,6 +195,12 @@
   border: 1px solid $dropdown-border-color;
   border-radius: $border-radius-base;
   box-shadow: 0 2px 4px $dropdown-shadow-color;
+  overflow: hidden;
+  @include set-invisible;
+
+  @media (max-width: $screen-sm-min) {
+    width: 100%;
+  }
 
   &.is-loading {
     .dropdown-content {
@@ -252,6 +277,23 @@
   }
 }
 
+.filtered-search-box-input-container .dropdown-menu,
+.filtered-search-box-input-container .dropdown-menu-nav,
+.comment-type-dropdown .dropdown-menu {
+  display: none;
+  opacity: 1;
+  visibility: visible;
+  transform: translateY(0);
+}
+
+.filtered-search-box-input-container {
+  .dropdown-menu,
+  .dropdown-menu-nav {
+    max-width: 280px;
+    width: auto;
+  }
+}
+
 .dropdown-menu-drop-up {
   top: auto;
   bottom: 100%;
@@ -326,6 +368,10 @@
 
 .dropdown-select {
   width: $dropdown-width;
+
+  @media (max-width: $screen-sm-min) {
+    width: 100%;
+  }
 }
 
 .dropdown-menu-align-right {
@@ -568,3 +614,24 @@
 .droplab-item-ignore {
   pointer-events: none;
 }
+
+.pika-single.animate-picker.is-bound,
+.pika-single.animate-picker.is-bound.is-hidden {
+  /*
+   * Having `!important` is not recommended but
+   * since `pikaday` sets positioning inline
+   * there's no way it can be gracefully overridden
+   * using config options.
+   */
+  position: absolute !important;
+  display: block;
+}
+
+.pika-single.animate-picker.is-bound {
+  @include set-visible;
+}
+
+.pika-single.animate-picker.is-bound.is-hidden {
+  @include set-invisible;
+  overflow: hidden;
+}
diff --git a/app/assets/stylesheets/framework/header.scss b/app/assets/stylesheets/framework/header.scss
index 0077ea41d3b..6d9218310eb 100644
--- a/app/assets/stylesheets/framework/header.scss
+++ b/app/assets/stylesheets/framework/header.scss
@@ -329,6 +329,7 @@ header {
 
 .header-user {
   .dropdown-menu-nav {
+    width: auto;
     min-width: 140px;
     margin-top: -5px;
 
diff --git a/app/assets/stylesheets/framework/variables.scss b/app/assets/stylesheets/framework/variables.scss
index 3ef6ec3f912..ad592a45941 100644
--- a/app/assets/stylesheets/framework/variables.scss
+++ b/app/assets/stylesheets/framework/variables.scss
@@ -561,3 +561,8 @@ $filter-name-text-color: rgba(0, 0, 0, 0.55);
 $filter-value-text-color: rgba(0, 0, 0, 0.85);
 $filter-name-selected-color: #ebebeb;
 $filter-value-selected-color: #d7d7d7;
+
+/*
+Animation Functions
+*/
+$dropdown-animation-timing: cubic-bezier(0.23, 1, 0.32, 1);
diff --git a/app/assets/stylesheets/pages/search.scss b/app/assets/stylesheets/pages/search.scss
index 543d2ece3df..b9818ffcf42 100644
--- a/app/assets/stylesheets/pages/search.scss
+++ b/app/assets/stylesheets/pages/search.scss
@@ -124,7 +124,13 @@ input[type="checkbox"]:hover {
 
     // Custom dropdown positioning
     .dropdown-menu {
-      top: 37px;
+      transition-property: opacity, transform;
+      transition-duration: 250ms, 250ms;
+      transition-delay: 0ms, 25ms;
+      transition-timing-function: $dropdown-animation-timing;
+      transform: translateY(0);
+      opacity: 0;
+      display: block;
       left: -5px;
       padding: 0;
 
@@ -156,6 +162,13 @@ input[type="checkbox"]:hover {
         color: $layout-link-gray;
       }
     }
+
+    .dropdown-menu {
+      transition-duration: 100ms, 75ms;
+      transition-delay: 75ms, 100ms;
+      transform: translateY(13px);
+      opacity: 1;
+    }
   }
 
   &.has-value {