Merge remote-tracking branch 'upstream/master' into 27377-preload-pipeline-entity27377-preload-pipeline-entity

* upstream/master: (2534 commits)
  Update VERSION to 9.3.0-pre
  Update CHANGELOG.md for 9.2.0
  removes unnecessary redundacy in usage ping doc
  Respect the typo as rubocop said
  Add a test to ensure this works on MySQL
  Change pipelines schedules help page path
  change domain to hostname in usage ping doc
  Fixes broken MySQL migration for retried
  Show password field mask while editing service settings
  Add notes for supported schedulers and cloud providers
  Move environment monitoring to environments doc
  Add docs for change of Cache/Artifact restore order"
  Avoid resource intensive login checks if password is not provided
  Change translation for 'coding' by 'desarrollo' for Spanish
  Add to docs: issues multiple assignees
  rename "Add emoji" and "Award emoji" to "Add reaction" where appropriate
  Add project and group notification settings info
  32570 Fix border-bottom for project activity tab
  Add users endpoint to frontend API class
  Rename users on mysql
  ...

1 files changed, 170 insertions, 0 deletions

diff --git a/app/assets/javascripts/pipelines/components/stage.vue b/app/assets/javascripts/pipelines/components/stage.vue
new file mode 100644
index 00000000000..7fc19fce1ff
--- /dev/null
+++ b/app/assets/javascripts/pipelines/components/stage.vue
@@ -0,0 +1,170 @@
+<script>
+
+/**
+ * Renders each stage of the pipeline mini graph.
+ *
+ * Given the provided endpoint will make a request to
+ * fetch the dropdown data when the stage is clicked.
+ *
+ * Request is made inside this component to make it reusable between:
+ * 1. Pipelines main table
+ * 2. Pipelines table in commit and Merge request views
+ * 3. Merge request widget
+ * 4. Commit widget
+ */
+
+/* global Flash */
+import { borderlessStatusIconEntityMap } from '../../vue_shared/ci_status_icons';
+import loadingIcon from '../../vue_shared/components/loading_icon.vue';
+
+export default {
+  props: {
+    stage: {
+      type: Object,
+      required: true,
+    },
+
+    updateDropdown: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
+  },
+
+  data() {
+    return {
+      isLoading: false,
+      dropdownContent: '',
+      endpoint: this.stage.dropdown_path,
+    };
+  },
+
+  components: {
+    loadingIcon,
+  },
+
+  updated() {
+    if (this.dropdownContent.length > 0) {
+      this.stopDropdownClickPropagation();
+    }
+  },
+
+  watch: {
+    updateDropdown() {
+      if (this.updateDropdown &&
+        this.isDropdownOpen() &&
+        !this.isLoading) {
+        this.fetchJobs();
+      }
+    },
+  },
+
+  methods: {
+    onClickStage() {
+      if (!this.isDropdownOpen()) {
+        this.isLoading = true;
+        this.fetchJobs();
+      }
+    },
+
+    fetchJobs() {
+      this.$http.get(this.endpoint)
+        .then((response) => {
+          this.dropdownContent = response.json().html;
+          this.isLoading = false;
+        })
+        .catch(() => {
+          this.closeDropdown();
+          this.isLoading = false;
+
+          const flash = new Flash('Something went wrong on our end.');
+          return flash;
+        });
+    },
+
+    /**
+     * When the user right clicks or cmd/ctrl + click in the job name
+     * the dropdown should not be closed and the link should open in another tab,
+     * so we stop propagation of the click event inside the dropdown.
+     *
+     * Since this component is rendered multiple times per page we need to guarantee we only
+     * target the click event of this component.
+     */
+    stopDropdownClickPropagation() {
+      $(this.$el.querySelectorAll('.js-builds-dropdown-list a.mini-pipeline-graph-dropdown-item'))
+        .on('click', (e) => {
+          e.stopPropagation();
+        });
+    },
+
+    closeDropdown() {
+      if (this.isDropdownOpen()) {
+        $(this.$refs.dropdown).dropdown('toggle');
+      }
+    },
+
+    isDropdownOpen() {
+      return this.$el.classList.contains('open');
+    },
+  },
+
+  computed: {
+    dropdownClass() {
+      return this.dropdownContent.length > 0 ? 'js-builds-dropdown-container' : 'js-builds-dropdown-loading';
+    },
+
+    triggerButtonClass() {
+      return `ci-status-icon-${this.stage.status.group}`;
+    },
+
+    svgIcon() {
+      return borderlessStatusIconEntityMap[this.stage.status.icon];
+    },
+  },
+};
+</script>
+
+<template>
+  <div class="dropdown">
+    <button
+      :class="triggerButtonClass"
+      @click="onClickStage"
+      class="mini-pipeline-graph-dropdown-toggle has-tooltip js-builds-dropdown-button"
+      :title="stage.title"
+      data-placement="top"
+      data-toggle="dropdown"
+      type="button"
+      id="stageDropdown"
+      aria-haspopup="true"
+      aria-expanded="false">
+
+      <span
+        v-html="svgIcon"
+        aria-hidden="true"
+        :aria-label="stage.title">
+      </span>
+
+      <i
+        class="fa fa-caret-down"
+        aria-hidden="true">
+      </i>
+    </button>
+
+    <ul
+      class="dropdown-menu mini-pipeline-graph-dropdown-menu js-builds-dropdown-container"
+      aria-labelledby="stageDropdown">
+
+      <li
+        :class="dropdownClass"
+        class="js-builds-dropdown-list scrollable-menu">
+
+        <loading-icon v-if="isLoading"/>
+
+        <ul
+          v-else
+          v-html="dropdownContent">
+        </ul>
+      </li>
+    </ul>
+  </div>
+</script>