Merge branch 'ide-sidebar-commit-box' into '44846-improve-web-ide-left-panel-and-modes'

Updated commit section in IDE sidebar

See merge request gitlab-org/gitlab-ce!18616

23 files changed, 618 insertions, 300 deletions

diff --git a/app/assets/javascripts/ide/components/activity_bar.vue b/app/assets/javascripts/ide/components/activity_bar.vue
index e27404a08d3..edea6a9b894 100644
--- a/app/assets/javascripts/ide/components/activity_bar.vue
+++ b/app/assets/javascripts/ide/components/activity_bar.vue
@@ -8,7 +8,7 @@ export default {
     Icon,
   },
   computed: {
-    ...mapGetters(['currentProject']),
+    ...mapGetters(['currentProject', 'hasChanges']),
     ...mapState(['currentActivityView']),
     goBackUrl() {
       return document.referrer || this.currentProject.web_url;
@@ -65,7 +65,7 @@ export default {
           />
         </button>
       </li>
-      <li>
+      <li v-show="hasChanges">
         <button
           type="button"
           class="ide-sidebar-link js-ide-commit-mode"
diff --git a/app/assets/javascripts/ide/components/commit_sidebar/actions.vue b/app/assets/javascripts/ide/components/commit_sidebar/actions.vue
index 45321df191c..6a5790c9dff 100644
--- a/app/assets/javascripts/ide/components/commit_sidebar/actions.vue
+++ b/app/assets/javascripts/ide/components/commit_sidebar/actions.vue
@@ -1,5 +1,5 @@
 <script>
-import { mapState } from 'vuex';
+import { mapActions, mapState } from 'vuex';
 import { sprintf, __ } from '~/locale';
 import * as consts from '../../stores/modules/commit/constants';
 import RadioGroup from './radio_group.vue';
@@ -9,7 +9,7 @@ export default {
     RadioGroup,
   },
   computed: {
-    ...mapState(['currentBranchId']),
+    ...mapState(['currentBranchId', 'changedFiles', 'stagedFiles']),
     commitToCurrentBranchText() {
       return sprintf(
         __('Commit to %{branchName} branch'),
@@ -17,6 +17,17 @@ export default {
         false,
       );
     },
+    disableMergeRequestRadio() {
+      return this.changedFiles.length > 0 && this.stagedFiles.length > 0;
+    },
+  },
+  mounted() {
+    if (this.disableMergeRequestRadio) {
+      this.updateCommitAction(consts.COMMIT_TO_CURRENT_BRANCH);
+    }
+  },
+  methods: {
+    ...mapActions('commit', ['updateCommitAction']),
   },
   commitToCurrentBranch: consts.COMMIT_TO_CURRENT_BRANCH,
   commitToNewBranch: consts.COMMIT_TO_NEW_BRANCH,
@@ -44,6 +55,7 @@ export default {
       :value="$options.commitToNewBranchMR"
       :label="__('Create a new branch and merge request')"
       :show-input="true"
+      :disabled="disableMergeRequestRadio"
     />
   </div>
 </template>
diff --git a/app/assets/javascripts/ide/components/commit_sidebar/form.vue b/app/assets/javascripts/ide/components/commit_sidebar/form.vue
new file mode 100644
index 00000000000..4a645c827ad
--- /dev/null
+++ b/app/assets/javascripts/ide/components/commit_sidebar/form.vue
@@ -0,0 +1,171 @@
+<script>
+import { mapState, mapActions, mapGetters } from 'vuex';
+import { sprintf, __ } from '~/locale';
+import LoadingButton from '~/vue_shared/components/loading_button.vue';
+import CommitMessageField from './message_field.vue';
+import Actions from './actions.vue';
+import SuccessMessage from './success_message.vue';
+import { activityBarViews, MAX_WINDOW_HEIGHT_COMPACT, COMMIT_ITEM_PADDING } from '../../constants';
+
+export default {
+  components: {
+    Actions,
+    LoadingButton,
+    CommitMessageField,
+    SuccessMessage,
+  },
+  data() {
+    return {
+      isCompact: true,
+      componentHeight: null,
+    };
+  },
+  computed: {
+    ...mapState(['changedFiles', 'stagedFiles', 'currentActivityView', 'lastCommitMsg']),
+    ...mapState('commit', ['commitMessage', 'submitCommitLoading']),
+    ...mapGetters(['hasChanges']),
+    ...mapGetters('commit', ['commitButtonDisabled', 'discardDraftButtonDisabled']),
+    overviewText() {
+      return sprintf(
+        __(
+          '<strong>%{changedFilesLength} unstaged</strong> and <strong>%{stagedFilesLength} staged</strong> changes',
+        ),
+        {
+          stagedFilesLength: this.stagedFiles.length,
+          changedFilesLength: this.changedFiles.length,
+        },
+      );
+    },
+  },
+  watch: {
+    currentActivityView() {
+      if (this.lastCommitMsg) {
+        this.isCompact = false;
+      } else {
+        this.isCompact = !(
+          this.currentActivityView === activityBarViews.commit &&
+          window.innerHeight >= MAX_WINDOW_HEIGHT_COMPACT
+        );
+      }
+    },
+    lastCommitMsg() {
+      this.isCompact =
+        this.currentActivityView !== activityBarViews.commit && this.lastCommitMsg === '';
+    },
+  },
+  methods: {
+    ...mapActions(['updateActivityBarView']),
+    ...mapActions('commit', ['updateCommitMessage', 'discardDraft', 'commitChanges']),
+    toggleIsSmall() {
+      this.updateActivityBarView(activityBarViews.commit)
+        .then(() => {
+          this.isCompact = !this.isCompact;
+        })
+        .catch(e => {
+          throw e;
+        });
+    },
+    beforeEnterTransition() {
+      const elHeight = this.isCompact
+        ? this.$refs.formEl && this.$refs.formEl.offsetHeight
+        : this.$refs.compactEl && this.$refs.compactEl.offsetHeight;
+
+      this.componentHeight = elHeight + COMMIT_ITEM_PADDING;
+    },
+    enterTransition() {
+      this.$nextTick(() => {
+        const elHeight = this.isCompact
+          ? this.$refs.compactEl && this.$refs.compactEl.offsetHeight
+          : this.$refs.formEl && this.$refs.formEl.offsetHeight;
+
+        this.componentHeight = elHeight + COMMIT_ITEM_PADDING;
+      });
+    },
+    afterEndTransition() {
+      this.componentHeight = null;
+    },
+  },
+  activityBarViews,
+};
+</script>
+
+<template>
+  <div
+    class="multi-file-commit-form"
+    :class="{
+      'is-compact': isCompact,
+      'is-full': !isCompact
+    }"
+    :style="{
+      height: componentHeight ? `${componentHeight}px` : null,
+    }"
+  >
+    <transition
+      name="commit-form-slide-up"
+      @before-enter="beforeEnterTransition"
+      @enter="enterTransition"
+      @after-enter="afterEndTransition"
+    >
+      <div
+        v-if="isCompact"
+        class="commit-form-compact"
+        ref="compactEl"
+      >
+        <button
+          type="button"
+          :disabled="!hasChanges"
+          class="btn btn-primary btn-sm btn-block"
+          @click="toggleIsSmall"
+        >
+          {{ __('Commit') }}
+        </button>
+        <p
+          class="text-center"
+          v-html="overviewText"
+        ></p>
+      </div>
+      <form
+        v-if="!isCompact"
+        class="form-horizontal"
+        @submit.prevent.stop="commitChanges"
+        ref="formEl"
+      >
+        <transition name="fade">
+          <success-message
+            v-show="lastCommitMsg"
+          />
+        </transition>
+        <commit-message-field
+          :text="commitMessage"
+          @input="updateCommitMessage"
+        />
+        <div class="clearfix prepend-top-15">
+          <actions />
+          <loading-button
+            :loading="submitCommitLoading"
+            :disabled="commitButtonDisabled"
+            container-class="btn btn-success btn-sm pull-left"
+            :label="__('Commit')"
+            @click="commitChanges"
+          />
+          <button
+            v-if="!discardDraftButtonDisabled"
+            type="button"
+            class="btn btn-default btn-sm pull-right"
+            @click="discardDraft"
+          >
+            {{ __('Discard draft') }}
+          </button>
+          <button
+            v-else
+            type="button"
+            class="btn btn-default btn-sm pull-right"
+            @click="toggleIsSmall"
+          >
+            {{ __('Collapse') }}
+          </button>
+        </div>
+      </form>
+    </transition>
+  </div>
+</template>
diff --git a/app/assets/javascripts/ide/components/commit_sidebar/list.vue b/app/assets/javascripts/ide/components/commit_sidebar/list.vue
index e0de30d935b..f6625fda596 100644
--- a/app/assets/javascripts/ide/components/commit_sidebar/list.vue
+++ b/app/assets/javascripts/ide/components/commit_sidebar/list.vue
@@ -44,6 +44,11 @@ export default {
       default: false,
     },
   },
+  data() {
+    return {
+      showActionButton: false,
+    };
+  },
   computed: {
     titleText() {
       return sprintf(__('%{title} changes'), {
@@ -56,6 +61,9 @@ export default {
     actionBtnClicked() {
       this[this.action]();
     },
+    setShowActionButton(show) {
+      this.showActionButton = show;
+    },
   },
 };
 </script>
@@ -76,7 +84,16 @@ export default {
           :size="18"
         />
         {{ titleText }}
+        <span
+          v-show="!showActionButton"
+          @mouseenter="setShowActionButton(true)"
+          class="ide-commit-file-count"
+        >
+          {{ fileList.length }}
+        </span>
         <button
+          v-show="showActionButton"
+          @mouseleave="setShowActionButton(false)"
           type="button"
           class="btn btn-blank btn-link ide-staged-action-btn"
           @click="actionBtnClicked"
diff --git a/app/assets/javascripts/ide/components/commit_sidebar/radio_group.vue b/app/assets/javascripts/ide/components/commit_sidebar/radio_group.vue
index b660a2961cb..00f2312ae51 100644
--- a/app/assets/javascripts/ide/components/commit_sidebar/radio_group.vue
+++ b/app/assets/javascripts/ide/components/commit_sidebar/radio_group.vue
@@ -1,5 +1,6 @@
 <script>
 import { mapActions, mapState, mapGetters } from 'vuex';
+import { __ } from '~/locale';
 import tooltip from '~/vue_shared/directives/tooltip';
 
 export default {
@@ -26,10 +27,20 @@ export default {
       required: false,
       default: false,
     },
+    disabled: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
   },
   computed: {
     ...mapState('commit', ['commitAction']),
     ...mapGetters('commit', ['newBranchName']),
+    tooltipTitle() {
+      return this.disabled
+        ? __('This option is disabled while you still have unstaged changes')
+        : '';
+    },
   },
   methods: {
     ...mapActions('commit', ['updateCommitAction', 'updateBranchName']),
@@ -39,19 +50,28 @@ export default {
 
 <template>
   <fieldset>
-    <label>
+    <label
+      v-tooltip
+      :title="tooltipTitle"
+      :class="{
+        'is-disabled': disabled
+      }"
+    >
       <input
         type="radio"
         name="commit-action"
         :value="value"
         @change="updateCommitAction($event.target.value)"
-        :checked="checked"
-        v-once
+        :checked="commitAction === value"
+        :disabled="disabled"
       />
       <span class="prepend-left-10">
-        <template v-if="label">
+        <span
+          v-if="label"
+          class="ide-radio-label"
+        >
           {{ label }}
-        </template>
+        </span>
         <slot v-else></slot>
       </span>
     </label>
diff --git a/app/assets/javascripts/ide/components/ide_side_bar.vue b/app/assets/javascripts/ide/components/ide_side_bar.vue
index 2872d4e8687..3f980203911 100644
--- a/app/assets/javascripts/ide/components/ide_side_bar.vue
+++ b/app/assets/javascripts/ide/components/ide_side_bar.vue
@@ -10,7 +10,10 @@ import IdeTree from './ide_tree.vue';
 import ResizablePanel from './resizable_panel.vue';
 import ActivityBar from './activity_bar.vue';
 import CommitSection from './repo_commit_section.vue';
+import CommitForm from './commit_sidebar/form.vue';
 import IdeReview from './ide_review.vue';
+import SuccessMessage from './commit_sidebar/success_message.vue';
+import { activityBarViews } from '../constants';
 
 export default {
   directives: {
@@ -26,7 +29,9 @@ export default {
     Identicon,
     CommitSection,
     IdeTree,
+    CommitForm,
     IdeReview,
+    SuccessMessage,
   },
   data() {
     return {
@@ -34,8 +39,21 @@ export default {
     };
   },
   computed: {
-    ...mapState(['loading', 'currentBranchId', 'currentActivityView']),
-    ...mapGetters(['currentProject']),
+    ...mapState([
+      'loading',
+      'currentBranchId',
+      'currentActivityView',
+      'changedFiles',
+      'stagedFiles',
+      'lastCommitMsg',
+    ]),
+    ...mapGetters(['currentProject', 'someUncommitedChanges']),
+    showSuccessMessage() {
+      return (
+        this.currentActivityView === activityBarViews.edit &&
+        (this.lastCommitMsg && !this.someUncommitedChanges)
+      );
+    },
     branchTooltipTitle() {
       return this.showTooltip ? this.currentBranchId : undefined;
     },
@@ -115,6 +133,7 @@ export default {
             :is="currentActivityView"
           />
         </div>
+        <commit-form />
       </template>
     </div>
   </resizable-panel>
diff --git a/app/assets/javascripts/ide/components/ide_tree.vue b/app/assets/javascripts/ide/components/ide_tree.vue
index 569d55d28ac..8fc4ebe6ca6 100644
--- a/app/assets/javascripts/ide/components/ide_tree.vue
+++ b/app/assets/javascripts/ide/components/ide_tree.vue
@@ -1,5 +1,5 @@
 <script>
-import { mapState, mapGetters } from 'vuex';
+import { mapState, mapGetters, mapActions } from 'vuex';
 import NewDropdown from './new_dropdown/index.vue';
 import IdeTreeList from './ide_tree_list.vue';
 
@@ -10,7 +10,17 @@ export default {
   },
   computed: {
     ...mapState(['currentBranchId']),
-    ...mapGetters(['currentProject']),
+    ...mapGetters(['currentProject', 'currentTree', 'activeFile']),
+  },
+  mounted() {
+    if (this.activeFile && this.activeFile.pending) {
+      this.$router.push(`/project${this.activeFile.url}`, () => {
+        this.updateViewer('editor');
+      });
+    }
+  },
+  methods: {
+    ...mapActions(['updateViewer']),
   },
 };
 </script>
diff --git a/app/assets/javascripts/ide/components/repo_commit_section.vue b/app/assets/javascripts/ide/components/repo_commit_section.vue
index 4c0dab70ab0..c5092d8e04d 100644
--- a/app/assets/javascripts/ide/components/repo_commit_section.vue
+++ b/app/assets/javascripts/ide/components/repo_commit_section.vue
@@ -3,13 +3,10 @@ import { mapState, mapActions, mapGetters } from 'vuex';
 import tooltip from '~/vue_shared/directives/tooltip';
 import Icon from '~/vue_shared/components/icon.vue';
 import DeprecatedModal from '~/vue_shared/components/deprecated_modal.vue';
-import LoadingButton from '~/vue_shared/components/loading_button.vue';
 import CommitFilesList from './commit_sidebar/list.vue';
 import EmptyState from './commit_sidebar/empty_state.vue';
-import CommitMessageField from './commit_sidebar/message_field.vue';
-import SuccessMessage from './commit_sidebar/success_message.vue';
 import * as consts from '../stores/modules/commit/constants';
-import Actions from './commit_sidebar/actions.vue';
+import { activityBarViews } from '../constants';
 
 export default {
   components: {
@@ -17,21 +14,11 @@ export default {
     Icon,
     CommitFilesList,
     EmptyState,
-    SuccessMessage,
-    Actions,
-    LoadingButton,
-    CommitMessageField,
   },
   directives: {
     tooltip,
   },
   computed: {
-    showStageUnstageArea() {
-      return !!(this.someUncommitedChanges || this.lastCommitMsg || !this.unusedSeal);
-    },
-    someUncommitedChanges() {
-      return !!(this.changedFiles.length || this.stagedFiles.length);
-    },
     ...mapState([
       'changedFiles',
       'stagedFiles',
@@ -40,15 +27,37 @@ export default {
       'unusedSeal',
     ]),
     ...mapState('commit', ['commitMessage', 'submitCommitLoading']),
+    ...mapGetters(['lastOpenedFile', 'hasChanges', 'someUncommitedChanges']),
     ...mapGetters('commit', ['commitButtonDisabled', 'discardDraftButtonDisabled']),
+    showStageUnstageArea() {
+      return !!(this.someUncommitedChanges || this.lastCommitMsg || !this.unusedSeal);
+    },
+  },
+  watch: {
+    hasChanges() {
+      if (!this.hasChanges) {
+        this.updateActivityBarView(activityBarViews.edit);
+      }
+    },
+  },
+  mounted() {
+    if (this.lastOpenedFile) {
+      this.openPendingTab({
+        file: this.lastOpenedFile,
+      })
+        .then(changeViewer => {
+          if (changeViewer) {
+            this.updateViewer('diff');
+          }
+        })
+        .catch(e => {
+          throw e;
+        });
+    }
   },
   methods: {
-    ...mapActions('commit', [
-      'updateCommitMessage',
-      'discardDraft',
-      'commitChanges',
-      'updateCommitAction',
-    ]),
+    ...mapActions(['openPendingTab', 'updateViewer', 'updateActivityBarView']),
+    ...mapActions('commit', ['commitChanges', 'updateCommitAction']),
     forceCreateNewBranch() {
       return this.updateCommitAction(consts.COMMIT_TO_NEW_BRANCH).then(() => this.commitChanges());
     },
@@ -76,6 +85,7 @@ export default {
       v-if="showStageUnstageArea"
     >
       <commit-files-list
+        class="is-first"
         icon-name="unstaged"
         :title="__('Unstaged')"
         :file-list="changedFiles"
@@ -96,39 +106,5 @@ export default {
     <empty-state
       v-if="unusedSeal"
     />
-    <div
-      class="multi-file-commit-panel-bottom"
-    >
-      <form
-        class="form-horizontal multi-file-commit-form"
-        @submit.prevent.stop="commitChanges"
-      >
-        <success-message
-          v-if="lastCommitMsg && !someUncommitedChanges"
-        />
-        <commit-message-field
-          :text="commitMessage"
-          @input="updateCommitMessage"
-        />
-        <div class="clearfix prepend-top-15">
-          <actions />
-          <loading-button
-            :loading="submitCommitLoading"
-            :disabled="commitButtonDisabled"
-            container-class="btn btn-success btn-sm pull-left"
-            :label="__('Commit')"
-            @click="commitChanges"
-          />
-          <button
-            v-if="!discardDraftButtonDisabled"
-            type="button"
-            class="btn btn-default btn-sm pull-right"
-            @click="discardDraft"
-          >
-            {{ __('Discard draft') }}
-          </button>
-        </div>
-      </form>
-    </div>
   </div>
 </template>
diff --git a/app/assets/javascripts/ide/components/repo_tab.vue b/app/assets/javascripts/ide/components/repo_tab.vue
index b3221deada0..fb26b973236 100644
--- a/app/assets/javascripts/ide/components/repo_tab.vue
+++ b/app/assets/javascripts/ide/components/repo_tab.vue
@@ -32,6 +32,8 @@ export default {
       return `Close ${this.tab.name}`;
     },
     showChangedIcon() {
+      if (this.tab.pending) return true;
+
       return this.fileHasChanged ? !this.tabMouseOver : false;
     },
     fileHasChanged() {
@@ -91,6 +93,7 @@ export default {
       class="multi-file-tab-close"
       @click.stop.prevent="closeFile(tab)"
       :aria-label="closeLabel"
+      :disabled="tab.pending"
     >
       <icon
         v-if="!showChangedIcon"
diff --git a/app/assets/javascripts/ide/constants.js b/app/assets/javascripts/ide/constants.js
index 86c5f0c4421..48d4cc43198 100644
--- a/app/assets/javascripts/ide/constants.js
+++ b/app/assets/javascripts/ide/constants.js
@@ -3,6 +3,10 @@ export const MAX_FILE_FINDER_RESULTS = 40;
 export const FILE_FINDER_ROW_HEIGHT = 55;
 export const FILE_FINDER_EMPTY_ROW_HEIGHT = 33;
 
+export const MAX_WINDOW_HEIGHT_COMPACT = 750;
+
+export const COMMIT_ITEM_PADDING = 32;
+
 // Commit message textarea
 export const MAX_TITLE_LENGTH = 50;
 export const MAX_BODY_LENGTH = 72;
diff --git a/app/assets/javascripts/ide/stores/actions/file.js b/app/assets/javascripts/ide/stores/actions/file.js
index 8076de1b7e3..fc163cd021a 100644
--- a/app/assets/javascripts/ide/stores/actions/file.js
+++ b/app/assets/javascripts/ide/stores/actions/file.js
@@ -195,13 +195,7 @@ export const unstageChange = ({ commit }, path) => {
 };
 
 export const openPendingTab = ({ commit, getters, dispatch, state }, { file, keyPrefix }) => {
-  if (
-    getters.activeFile &&
-    getters.activeFile.path === file.path &&
-    state.viewer === viewerTypes.diff
-  ) {
-    return false;
-  }
+  state.openFiles.forEach(f => eventHub.$emit(`editor.update.model.dispose.${f.key}`));
 
   commit(types.ADD_PENDING_TAB, { file, keyPrefix });
 
diff --git a/app/assets/javascripts/ide/stores/getters.js b/app/assets/javascripts/ide/stores/getters.js
index e1ee8047e13..75286ed0cd2 100644
--- a/app/assets/javascripts/ide/stores/getters.js
+++ b/app/assets/javascripts/ide/stores/getters.js
@@ -56,10 +56,16 @@ export const allBlobs = state =>
 export const getChangedFile = state => path => state.changedFiles.find(f => f.path === path);
 export const getStagedFile = state => path => state.stagedFiles.find(f => f.path === path);
 
+export const lastOpenedFile = state =>
+  [...state.changedFiles, ...state.stagedFiles].sort((a, b) => b.lastOpenedAt - a.lastOpenedAt)[0];
+
 export const isEditModeActive = state => state.currentActivityView === activityBarViews.edit;
 export const isCommitModeActive = state => state.currentActivityView === activityBarViews.commit;
 export const isReviewModeActive = state => state.currentActivityView === activityBarViews.review;
 
+export const someUncommitedChanges = state =>
+  !!(state.changedFiles.length || state.stagedFiles.length);
+
 export const getChangesInFolder = state => path => {
   const changedFilesCount = state.changedFiles.filter(f => filePathMatches(f, path)).length;
   const stagedFilesCount = state.stagedFiles.filter(
diff --git a/app/assets/javascripts/ide/stores/modules/commit/actions.js b/app/assets/javascripts/ide/stores/modules/commit/actions.js
index 4fbc97d053e..ab00d12089d 100644
--- a/app/assets/javascripts/ide/stores/modules/commit/actions.js
+++ b/app/assets/javascripts/ide/stores/modules/commit/actions.js
@@ -8,6 +8,7 @@ import router from '../../../ide_router';
 import service from '../../../services';
 import * as types from './mutation_types';
 import * as consts from './constants';
+import { activityBarViews } from '../../../constants';
 import eventHub from '../../../eventhub';
 
 export const updateCommitMessage = ({ commit }, message) => {
@@ -75,7 +76,7 @@ export const checkCommitStatus = ({ rootState }) =>
 
 export const updateFilesAfterCommit = (
   { commit, dispatch, state, rootState, rootGetters },
-  { data, branch },
+  { data },
 ) => {
   const selectedProject = rootState.projects[rootState.currentProjectId];
   const lastCommit = {
@@ -126,15 +127,9 @@ export const updateFilesAfterCommit = (
       changed: !!changedFile,
     });
   });
-
-  if (state.commitAction === consts.COMMIT_TO_NEW_BRANCH && rootGetters.activeFile) {
-    router.push(
-      `/project/${rootState.currentProjectId}/blob/${branch}/${rootGetters.activeFile.path}`,
-    );
-  }
 };
 
-export const commitChanges = ({ commit, state, getters, dispatch, rootState }) => {
+export const commitChanges = ({ commit, state, getters, dispatch, rootState, rootGetters }) => {
   const newBranch = state.commitAction !== consts.COMMIT_TO_CURRENT_BRANCH;
   const payload = createCommitPayload(getters.branchName, newBranch, state, rootState);
   const getCommitStatus = newBranch ? Promise.resolve(false) : dispatch('checkCommitStatus');
@@ -187,6 +182,34 @@ export const commitChanges = ({ commit, state, getters, dispatch, rootState }) =
             commit(rootTypes.SET_LAST_COMMIT_MSG, '', { root: true });
           }, 5000);
         })
+        .then(() => {
+          if (rootGetters.lastOpenedFile) {
+            dispatch(
+              'openPendingTab',
+              {
+                file: rootGetters.lastOpenedFile,
+              },
+              { root: true },
+            )
+              .then(changeViewer => {
+                if (changeViewer) {
+                  dispatch('updateViewer', 'diff', { root: true });
+                }
+              })
+              .catch(e => {
+                throw e;
+              });
+          } else {
+            dispatch('updateActivityBarView', activityBarViews.edit, { root: true });
+            dispatch('updateViewer', 'editor', { root: true });
+
+            router.push(
+              `/project/${rootState.currentProjectId}/blob/${getters.branchName}/${
+                rootGetters.activeFile.path
+              }`,
+            );
+          }
+        })
         .then(() => dispatch('updateCommitAction', consts.COMMIT_TO_CURRENT_BRANCH));
     })
     .catch(err => {
diff --git a/app/assets/javascripts/ide/stores/mutations/file.js b/app/assets/javascripts/ide/stores/mutations/file.js
index 7f670eb744c..13f123b6630 100644
--- a/app/assets/javascripts/ide/stores/mutations/file.js
+++ b/app/assets/javascripts/ide/stores/mutations/file.js
@@ -1,3 +1,4 @@
+/* eslint-disable no-param-reassign */
 import * as types from '../mutation_types';
 
 export default {
@@ -169,36 +170,24 @@ export default {
     });
   },
   [types.ADD_PENDING_TAB](state, { file, keyPrefix = 'pending' }) {
-    const key = `${keyPrefix}-${file.key}`;
-    const pendingTab = state.openFiles.find(f => f.key === key && f.pending);
-    let openFiles = state.openFiles.map(f => Object.assign(f, { active: false, opened: false }));
-
-    if (!pendingTab) {
-      const openFile = openFiles.find(f => f.path === file.path);
-
-      openFiles = openFiles.concat(openFile ? null : file).reduce((acc, f) => {
-        if (!f) return acc;
-
-        if (f.path === file.path) {
-          return acc.concat({
-            ...f,
-            content: file.content,
-            active: true,
-            pending: true,
-            opened: true,
-            key,
-          });
-        }
-
-        return acc.concat(f);
-      }, []);
-    } else {
-      openFiles = state.openFiles.map(f =>
-        Object.assign(f, { active: f.key === key, opened: f.key === key }),
-      );
-    }
-
-    Object.assign(state, { openFiles });
+    state.entries[file.path].opened = false;
+    state.entries[file.path].active = false;
+    state.entries[file.path].lastOpenedAt = new Date().getTime();
+    state.openFiles.forEach(f =>
+      Object.assign(f, {
+        opened: false,
+        active: false,
+      }),
+    );
+    state.openFiles = [
+      {
+        ...file,
+        key: `${keyPrefix}-${file.key}`,
+        pending: true,
+        opened: true,
+        active: true,
+      },
+    ];
   },
   [types.REMOVE_PENDING_TAB](state, file) {
     Object.assign(state, {
diff --git a/app/assets/stylesheets/pages/repo.scss b/app/assets/stylesheets/pages/repo.scss
index d3330cda8c6..c03446d1e40 100644
--- a/app/assets/stylesheets/pages/repo.scss
+++ b/app/assets/stylesheets/pages/repo.scss
@@ -192,11 +192,11 @@
     right: 3px;
   }
 
-  &:hover {
+  &:not([disabled]):hover {
     background-color: $theme-gray-200;
   }
 
-  &:focus {
+  &:not([disabled]):focus {
     background-color: $blue-500;
     color: $white-light;
     outline: 0;
@@ -443,6 +443,7 @@
   }
 
   .multi-file-commit-panel-inner {
+    position: relative;
     display: flex;
     flex-direction: column;
     height: 100%;
@@ -484,14 +485,13 @@
   align-items: center;
   margin-bottom: 0;
   border-bottom: 1px solid $white-dark;
-  padding: $gl-btn-padding 0;
-  min-height: 56px;
+  padding: $gl-btn-padding $gl-padding;
 }
 
 .multi-file-commit-panel-header-title {
   display: flex;
   flex: 1;
-  padding-left: $grid-size;
+  align-items: center;
 
   svg {
     margin-right: $gl-btn-padding;
@@ -507,7 +507,7 @@
 .multi-file-commit-list {
   flex: 1;
   overflow: auto;
-  padding: $gl-padding 0;
+  padding: $gl-padding;
   min-height: 60px;
 }
 
@@ -602,30 +602,24 @@
 }
 
 .multi-file-commit-form {
+  position: relative;
   padding: $gl-padding;
+  background-color: $white-light;
   border-top: 1px solid $white-dark;
+  border-left: 1px solid $white-dark;
+  transition: all 0.3s ease;
 
   .btn {
     font-size: $gl-font-size;
   }
+
+  .multi-file-commit-panel-success-message {
+    top: 0;
+  }
 }
 
 .multi-file-commit-panel-bottom {
   position: relative;
-
-  .multi-file-commit-panel-success-message {
-    position: absolute;
-    top: 1px;
-    left: 3px;
-    bottom: 0;
-    right: 0;
-    z-index: 10;
-    background: $gray-light;
-    overflow: auto;
-    display: flex;
-    flex-direction: column;
-    justify-content: center;
-  }
 }
 
 .dirty-diff {
@@ -779,17 +773,36 @@
   flex-direction: column;
   width: 100%;
   min-height: 140px;
-  padding: 0 16px;
+
+  &.is-first {
+    border-bottom: 1px solid $white-dark;
+  }
 }
 
 .ide-staged-action-btn {
   margin-left: auto;
-  color: $gl-link-color;
+  line-height: 22px;
+}
+
+.ide-commit-file-count {
+  min-width: 22px;
+  margin-left: auto;
+  background-color: $gray-light;
+  border-radius: $border-radius-default;
+  border: 1px solid $white-dark;
+  line-height: 20px;
+  text-align: center;
 }
 
 .ide-commit-radios {
   label {
     font-weight: normal;
+
+    &.is-disabled {
+      .ide-radio-label {
+        text-decoration: line-through;
+      }
+    }
   }
 
   .help-block {
@@ -853,6 +866,7 @@
 .ide-activity-bar {
   position: relative;
   flex: 0 0 60px;
+  z-index: 1;
 }
 
 .ide-file-finder-overlay {
@@ -969,6 +983,40 @@
   }
 }
 
+.commit-form-compact {
+  .btn {
+    margin-bottom: 8px;
+  }
+
+  p {
+    margin-bottom: 0;
+  }
+}
+
+.commit-form-slide-up-enter-active,
+.commit-form-slide-up-leave-active {
+  position: absolute;
+  top: 16px;
+  left: 16px;
+  right: 16px;
+  transition: all 0.3s ease;
+}
+
+.is-full .commit-form-slide-up-enter,
+.is-compact .commit-form-slide-up-leave-to {
+  transform: translateY(100%);
+}
+
+.is-full .commit-form-slide-up-enter-to,
+.is-compact .commit-form-slide-up-leave {
+  transform: translateY(0);
+}
+
+.commit-form-slide-up-enter,
+.commit-form-slide-up-leave-to {
+  opacity: 0;
+}
+
 .ide-review-header {
   flex-direction: column;
   align-items: flex-start;
@@ -996,6 +1044,20 @@
   line-height: 34px;
 }
 
+.multi-file-commit-panel-success-message {
+  position: absolute;
+  top: 61px;
+  left: 1px;
+  bottom: 0;
+  right: 0;
+  z-index: 10;
+  background: $white-light;
+  overflow: auto;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+}
+
 .ide-review-button-holder {
   display: flex;
   width: 100%;
diff --git a/spec/features/projects/tree/create_directory_spec.rb b/spec/features/projects/tree/create_directory_spec.rb
index 43581c5cdca..3017048e506 100644
--- a/spec/features/projects/tree/create_directory_spec.rb
+++ b/spec/features/projects/tree/create_directory_spec.rb
@@ -46,7 +46,8 @@ feature 'Multi-file editor new directory', :js do
 
     find('.js-ide-commit-mode').click
 
-    click_button 'Stage all'
+    find('.multi-file-commit-list-item').hover
+    first('.multi-file-discard-btn .btn').click
 
     fill_in('commit-message', with: 'commit message ide')
 
diff --git a/spec/features/projects/tree/create_file_spec.rb b/spec/features/projects/tree/create_file_spec.rb
index 3d938df2ca5..56471c8e7aa 100644
--- a/spec/features/projects/tree/create_file_spec.rb
+++ b/spec/features/projects/tree/create_file_spec.rb
@@ -36,7 +36,8 @@ feature 'Multi-file editor new file', :js do
 
     find('.js-ide-commit-mode').click
 
-    click_button 'Stage all'
+    find('.multi-file-commit-list-item').hover
+    first('.multi-file-discard-btn .btn').click
 
     fill_in('commit-message', with: 'commit message ide')
 
diff --git a/spec/javascripts/ide/components/commit_sidebar/form_spec.js b/spec/javascripts/ide/components/commit_sidebar/form_spec.js
new file mode 100644
index 00000000000..ce7c134bc97
--- /dev/null
+++ b/spec/javascripts/ide/components/commit_sidebar/form_spec.js
@@ -0,0 +1,146 @@
+import Vue from 'vue';
+import store from '~/ide/stores';
+import CommitForm from '~/ide/components/commit_sidebar/form.vue';
+import { activityBarViews } from '~/ide/constants';
+import { createComponentWithStore } from 'spec/helpers/vue_mount_component_helper';
+import getSetTimeoutPromise from 'spec/helpers/set_timeout_promise_helper';
+import { resetStore } from '../../helpers';
+
+describe('IDE commit form', () => {
+  const Component = Vue.extend(CommitForm);
+  let vm;
+
+  beforeEach(() => {
+    spyOnProperty(window, 'innerHeight').and.returnValue(800);
+
+    store.state.changedFiles.push('test');
+
+    vm = createComponentWithStore(Component, store).$mount();
+  });
+
+  afterEach(() => {
+    vm.$destroy();
+
+    resetStore(vm.$store);
+  });
+
+  it('enables button when has changes', () => {
+    expect(vm.$el.querySelector('[disabled]')).toBe(null);
+  });
+
+  describe('compact', () => {
+    it('renders commit button in compact mode', () => {
+      expect(vm.$el.querySelector('.btn-primary')).not.toBeNull();
+      expect(vm.$el.querySelector('.btn-primary').textContent).toContain('Commit');
+    });
+
+    it('does not render form', () => {
+      expect(vm.$el.querySelector('form')).toBeNull();
+    });
+
+    it('renders overview text', done => {
+      vm.$store.state.stagedFiles.push('test');
+
+      vm.$nextTick(() => {
+        expect(vm.$el.querySelector('p').textContent).toContain('1 unstaged and 1 staged changes');
+        done();
+      });
+    });
+
+    it('shows form when clicking commit button', done => {
+      vm.$el.querySelector('.btn-primary').click();
+
+      vm.$nextTick(() => {
+        expect(vm.$el.querySelector('form')).not.toBeNull();
+
+        done();
+      });
+    });
+
+    it('toggles activity bar vie when clicking commit button', done => {
+      vm.$el.querySelector('.btn-primary').click();
+
+      vm.$nextTick(() => {
+        expect(store.state.currentActivityView).toBe(activityBarViews.commit);
+
+        done();
+      });
+    });
+  });
+
+  describe('full', () => {
+    beforeEach(done => {
+      vm.isCompact = false;
+
+      vm.$nextTick(done);
+    });
+
+    it('updates commitMessage in store on input', done => {
+      const textarea = vm.$el.querySelector('textarea');
+
+      textarea.value = 'testing commit message';
+
+      textarea.dispatchEvent(new Event('input'));
+
+      getSetTimeoutPromise()
+        .then(() => {
+          expect(vm.$store.state.commit.commitMessage).toBe('testing commit message');
+        })
+        .then(done)
+        .catch(done.fail);
+    });
+
+    it('updating currentActivityView not to commit view sets compact mode', done => {
+      store.state.currentActivityView = 'a';
+
+      vm.$nextTick(() => {
+        expect(vm.isCompact).toBe(true);
+
+        done();
+      });
+    });
+
+    describe('discard draft button', () => {
+      it('hidden when commitMessage is empty', () => {
+        expect(vm.$el.querySelector('.btn-default').textContent).toContain('Collapse');
+      });
+
+      it('resets commitMessage when clicking discard button', done => {
+        vm.$store.state.commit.commitMessage = 'testing commit message';
+
+        getSetTimeoutPromise()
+          .then(() => {
+            vm.$el.querySelector('.btn-default').click();
+          })
+          .then(Vue.nextTick)
+          .then(() => {
+            expect(vm.$store.state.commit.commitMessage).not.toBe('testing commit message');
+          })
+          .then(done)
+          .catch(done.fail);
+      });
+    });
+
+    describe('when submitting', () => {
+      beforeEach(() => {
+        spyOn(vm, 'commitChanges');
+        vm.$store.state.stagedFiles.push('test');
+      });
+
+      it('calls commitChanges', done => {
+        vm.$store.state.commit.commitMessage = 'testing commit message';
+
+        getSetTimeoutPromise()
+          .then(() => {
+            vm.$el.querySelector('.btn-success').click();
+          })
+          .then(Vue.nextTick)
+          .then(() => {
+            expect(vm.commitChanges).toHaveBeenCalled();
+          })
+          .then(done)
+          .catch(done.fail);
+      });
+    });
+  });
+});
diff --git a/spec/javascripts/ide/components/commit_sidebar/list_spec.js b/spec/javascripts/ide/components/commit_sidebar/list_spec.js
index 412c272c8cc..54625ef90f8 100644
--- a/spec/javascripts/ide/components/commit_sidebar/list_spec.js
+++ b/spec/javascripts/ide/components/commit_sidebar/list_spec.js
@@ -49,16 +49,4 @@ describe('Multi-file editor commit sidebar list', () => {
       expect(vm.$el.textContent).toContain('No changes');
     });
   });
-
-  describe('action button', () => {
-    beforeEach(() => {
-      spyOn(vm, 'stageAllChanges');
-    });
-
-    it('calls store action when clicked', () => {
-      vm.$el.querySelector('.ide-staged-action-btn').click();
-
-      expect(vm.stageAllChanges).toHaveBeenCalled();
-    });
-  });
 });
diff --git a/spec/javascripts/ide/components/repo_commit_section_spec.js b/spec/javascripts/ide/components/repo_commit_section_spec.js
index c2b2761cf61..5e3e00a180b 100644
--- a/spec/javascripts/ide/components/repo_commit_section_spec.js
+++ b/spec/javascripts/ide/components/repo_commit_section_spec.js
@@ -1,9 +1,9 @@
 import Vue from 'vue';
 import store from '~/ide/stores';
 import service from '~/ide/services';
+import router from '~/ide/ide_router';
 import repoCommitSection from '~/ide/components/repo_commit_section.vue';
 import { createComponentWithStore } from 'spec/helpers/vue_mount_component_helper';
-import getSetTimeoutPromise from 'spec/helpers/set_timeout_promise_helper';
 import { file, resetStore } from '../helpers';
 
 describe('RepoCommitSection', () => {
@@ -60,6 +60,8 @@ describe('RepoCommitSection', () => {
   }
 
   beforeEach(done => {
+    spyOn(router, 'push');
+
     vm = createComponent();
 
     spyOn(service, 'getTreeData').and.returnValue(
@@ -105,30 +107,28 @@ describe('RepoCommitSection', () => {
 
   it('renders a commit section', () => {
     const changedFileElements = [...vm.$el.querySelectorAll('.multi-file-commit-list li')];
-    const submitCommit = vm.$el.querySelector('form .btn');
     const allFiles = vm.$store.state.changedFiles.concat(vm.$store.state.stagedFiles);
 
-    expect(vm.$el.querySelector('.multi-file-commit-form')).not.toBeNull();
     expect(changedFileElements.length).toEqual(4);
 
     changedFileElements.forEach((changedFile, i) => {
       expect(changedFile.textContent.trim()).toContain(allFiles[i].path);
     });
-
-    expect(submitCommit.disabled).toBeTruthy();
-    expect(submitCommit.querySelector('.fa-spinner.fa-spin')).toBeNull();
   });
 
   it('adds changed files into staged files', done => {
-    vm.$el.querySelector('.ide-staged-action-btn').click();
-
-    Vue.nextTick(() => {
-      expect(vm.$el.querySelector('.ide-commit-list-container').textContent).toContain(
-        'No changes',
-      );
-
-      done();
-    });
+    vm.$el.querySelector('.multi-file-discard-btn .btn').click();
+    vm
+      .$nextTick()
+      .then(() => vm.$el.querySelector('.multi-file-discard-btn .btn').click())
+      .then(vm.$nextTick)
+      .then(() => {
+        expect(vm.$el.querySelector('.ide-commit-list-container').textContent).toContain(
+          'No changes',
+        );
+      })
+      .then(done)
+      .catch(done.fail);
   });
 
   it('stages a single file', done => {
@@ -156,18 +156,6 @@ describe('RepoCommitSection', () => {
     });
   });
 
-  it('removes all staged files', done => {
-    vm.$el.querySelectorAll('.ide-staged-action-btn')[1].click();
-
-    Vue.nextTick(() => {
-      expect(vm.$el.querySelectorAll('.ide-commit-list-container')[1].textContent).toContain(
-        'No changes',
-      );
-
-      done();
-    });
-  });
-
   it('unstages a single file', done => {
     vm.$el
       .querySelectorAll('.multi-file-discard-btn')[2]
@@ -183,60 +171,10 @@ describe('RepoCommitSection', () => {
     });
   });
 
-  it('updates commitMessage in store on input', done => {
-    const textarea = vm.$el.querySelector('textarea');
-
-    textarea.value = 'testing commit message';
-
-    textarea.dispatchEvent(new Event('input'));
-
-    getSetTimeoutPromise()
-      .then(() => {
-        expect(vm.$store.state.commit.commitMessage).toBe('testing commit message');
-      })
-      .then(done)
-      .catch(done.fail);
-  });
-
-  describe('discard draft button', () => {
-    it('hidden when commitMessage is empty', () => {
-      expect(vm.$el.querySelector('.multi-file-commit-form .btn-default')).toBeNull();
-    });
-
-    it('resets commitMessage when clicking discard button', done => {
-      vm.$store.state.commit.commitMessage = 'testing commit message';
-
-      getSetTimeoutPromise()
-        .then(() => {
-          vm.$el.querySelector('.multi-file-commit-form .btn-default').click();
-        })
-        .then(Vue.nextTick)
-        .then(() => {
-          expect(vm.$store.state.commit.commitMessage).not.toBe('testing commit message');
-        })
-        .then(done)
-        .catch(done.fail);
-    });
-  });
-
-  describe('when submitting', () => {
-    beforeEach(() => {
-      spyOn(vm, 'commitChanges');
-    });
-
-    it('calls commitChanges', done => {
-      vm.$store.state.commit.commitMessage = 'testing commit message';
-
-      getSetTimeoutPromise()
-        .then(() => {
-          vm.$el.querySelector('.multi-file-commit-form .btn-success').click();
-        })
-        .then(Vue.nextTick)
-        .then(() => {
-          expect(vm.commitChanges).toHaveBeenCalled();
-        })
-        .then(done)
-        .catch(done.fail);
+  describe('mounted', () => {
+    it('opens last opened file', () => {
+      expect(store.state.openFiles.length).toBe(1);
+      expect(store.state.openFiles[0].pending).toBe(true);
     });
   });
 });
diff --git a/spec/javascripts/ide/stores/actions/file_spec.js b/spec/javascripts/ide/stores/actions/file_spec.js
index 3ee11bd2f03..3de48cd0d2d 100644
--- a/spec/javascripts/ide/stores/actions/file_spec.js
+++ b/spec/javascripts/ide/stores/actions/file_spec.js
@@ -589,20 +589,6 @@ describe('IDE store file actions', () => {
         .then(done)
         .catch(done.fail);
     });
-
-    it('returns false when passed in file is active & viewer is diff', done => {
-      f.active = true;
-      store.state.openFiles.push(f);
-      store.state.viewer = 'diff';
-
-      store
-        .dispatch('openPendingTab', { file: f, keyPrefix: 'pending' })
-        .then(added => {
-          expect(added).toBe(false);
-        })
-        .then(done)
-        .catch(done.fail);
-    });
   });
 
   describe('removePendingTab', () => {
diff --git a/spec/javascripts/ide/stores/modules/commit/actions_spec.js b/spec/javascripts/ide/stores/modules/commit/actions_spec.js
index b2b4b85ca42..a2869ff378b 100644
--- a/spec/javascripts/ide/stores/modules/commit/actions_spec.js
+++ b/spec/javascripts/ide/stores/modules/commit/actions_spec.js
@@ -289,21 +289,6 @@ describe('IDE commit module actions', () => {
         .then(done)
         .catch(done.fail);
     });
-
-    it('pushes route to new branch if commitAction is new branch', done => {
-      store.state.commit.commitAction = consts.COMMIT_TO_NEW_BRANCH;
-
-      store
-        .dispatch('commit/updateFilesAfterCommit', {
-          data,
-          branch,
-        })
-        .then(() => {
-          expect(router.push).toHaveBeenCalledWith(`/project/abcproject/blob/master/${f.path}`);
-        })
-        .then(done)
-        .catch(done.fail);
-    });
   });
 
   describe('commitChanges', () => {
@@ -391,21 +376,6 @@ describe('IDE commit module actions', () => {
           .catch(done.fail);
       });
 
-      it('pushes router to new route', done => {
-        store
-          .dispatch('commit/commitChanges')
-          .then(() => {
-            expect(router.push).toHaveBeenCalledWith(
-              `/project/${store.state.currentProjectId}/blob/${
-                store.getters['commit/newBranchName']
-              }/changed`,
-            );
-
-            done();
-          })
-          .catch(done.fail);
-      });
-
       it('sets last Commit Msg', done => {
         store
           .dispatch('commit/commitChanges')
diff --git a/spec/javascripts/ide/stores/mutations/file_spec.js b/spec/javascripts/ide/stores/mutations/file_spec.js
index 6fba934810d..e83961fcedc 100644
--- a/spec/javascripts/ide/stores/mutations/file_spec.js
+++ b/spec/javascripts/ide/stores/mutations/file_spec.js
@@ -267,41 +267,23 @@ describe('IDE store file mutations', () => {
     it('adds file into openFiles as pending', () => {
       mutations.ADD_PENDING_TAB(localState, { file: localFile });
 
-      expect(localState.openFiles.length).toBe(2);
-      expect(localState.openFiles[1].pending).toBe(true);
-      expect(localState.openFiles[1].key).toBe(`pending-${localFile.key}`);
-    });
-
-    it('updates open file to pending', () => {
-      mutations.ADD_PENDING_TAB(localState, { file: localState.openFiles[0] });
-
       expect(localState.openFiles.length).toBe(1);
+      expect(localState.openFiles[0].pending).toBe(true);
+      expect(localState.openFiles[0].key).toBe(`pending-${localFile.key}`);
     });
 
-    it('updates pending open file to active', () => {
-      localState.openFiles.push({
-        ...localFile,
-        pending: true,
-      });
+    it('only allows 1 open pending file', () => {
+      const newFile = file('test');
+      localState.entries[newFile.path] = newFile;
 
       mutations.ADD_PENDING_TAB(localState, { file: localFile });
 
-      expect(localState.openFiles[1].pending).toBe(true);
-      expect(localState.openFiles[1].active).toBe(true);
-    });
-
-    it('sets all openFiles to not active', () => {
-      mutations.ADD_PENDING_TAB(localState, { file: localFile });
+      expect(localState.openFiles.length).toBe(1);
 
-      expect(localState.openFiles.length).toBe(2);
+      mutations.ADD_PENDING_TAB(localState, { file: file('test') });
 
-      localState.openFiles.forEach(f => {
-        if (f.pending) {
-          expect(f.active).toBe(true);
-        } else {
-          expect(f.active).toBe(false);
-        }
-      });
+      expect(localState.openFiles.length).toBe(1);
+      expect(localState.openFiles[0].name).toBe('test');
     });
   });