Merge pull request #3007 from overleaf/pr-file-outline-extras

File outline extras

GitOrigin-RevId: c35c4f35dce280c9f44c02b567df9734943d0cb0

services/web/app/views/project/editor/file-tree.pug

@@ -1,4 +1,13 @@
-aside.file-tree(ng-controller="FileTreeController", ng-class="{ 'multi-selected': multiSelectedCount > 0 }", ng-show="ui.view != 'history' || !history.isV2").full-size
+aside.editor-sidebar.full-size(
+	ng-controller="FileTreeController"
+	ng-class="{ 'multi-selected': multiSelectedCount > 0 }"
+	ng-show="ui.view != 'history' || !history.isV2"
+	vertical-resizable-panes=user.alphaProgram && "outline-resizer"
+	vertical-resizable-panes-toggled-externally-on=user.alphaProgram && "outline-toggled"
+)
+	.file-tree(
+		vertical-resizable-top=user.alphaProgram
+	)
 		.toolbar.toolbar-filetree(ng-if="permissions.write")
 			a(
 				href,
@@ -88,15 +97,17 @@ aside.file-tree(ng-controller="FileTreeController", ng-class="{ 'multi-selected'
 
 							span  {{ entity.name }}
 
-
 	if user.alphaProgram
 		.outline-container(
+			vertical-resizable-bottom
 			ng-controller="OutlineController"
 		)
 			outline-pane(
 				is-tex-file="isTexFile"
 				outline="outline"
+				project-id="project_id"
 				jump-to-line="jumpToLine"
+				on-toggle="onToggle"
 			)
 
 

services/web/app/views/project/editor/history/fileTreeV2.pug

@@ -1,4 +1,4 @@
-aside.file-tree.full-size(
+aside.editor-sidebar.full-size(
 	ng-controller="HistoryV2FileTreeController"
 	ng-if="ui.view == 'history' && history.isV2"
 )

services/web/frontend/js/ide.js

@@ -40,6 +40,7 @@ import './ide/hotkeys/index'
 import './ide/wordcount/index'
 import './ide/directives/layout'
 import './ide/directives/validFile'
+import './ide/directives/verticalResizablePanes'
 import './ide/services/ide'
 import './directives/focus'
 import './directives/fineUpload'

services/web/frontend/js/ide/directives/layout.js

@@ -13,6 +13,7 @@
  * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
  */
 import App from '../../base'
+import _ from 'lodash'
 import 'libs/jquery-layout'
 import 'libs/jquery.ui.touch-punch'
 
@@ -233,9 +234,16 @@ ng-click=\"handleClick()\">\
         }
 
         // Save state when exiting
-        $(window).unload(() =>
+        $(window).unload(() => {
-          ide.localStorage(`layout.${name}`, element.layout().readState())
+          // Save only the state properties for the current layout, ignoring sublayouts inside it.
+          // If we save sublayouts state (`children`), the layout library will use it when
+          // initializing. This raises errors when the sublayout elements aren't available (due to
+          // being loaded at init or just not existing for the current project/user).
+          const stateToSave = _.mapValues(element.layout().readState(), pane =>
+            _.omit(pane, 'children')
           )
+          ide.localStorage(`layout.${name}`, stateToSave)
+        })
 
         if (attrs.openEast != null) {
           scope.$watch(attrs.openEast, function(value, oldValue) {

services/web/frontend/js/ide/directives/verticalResizablePanes.js

@@ -0,0 +1,93 @@
+import App from '../../base'
+
+const layoutOptions = {
+  center: {
+    paneSelector: '[vertical-resizable-top]',
+    paneClass: 'vertical-resizable-top',
+    size: 'auto'
+  },
+  south: {
+    paneSelector: '[vertical-resizable-bottom]',
+    paneClass: 'vertical-resizable-bottom',
+    resizerClass: 'vertical-resizable-resizer',
+    resizerCursor: 'row-resize',
+    size: 'auto',
+    resizable: true,
+    closable: false,
+    slidable: false,
+    spacing_open: 6,
+    spacing_closed: 6,
+    maxSize: '75%'
+  }
+}
+
+export default App.directive('verticalResizablePanes', localStorage => ({
+  restrict: 'A',
+  link(scope, element, attrs) {
+    let name = attrs.verticalResizablePanes
+    let storedSize = null
+    let manualResizeIncoming = false
+
+    if (name) {
+      const storageKey = `vertical-resizable:${name}:south-size`
+      storedSize = localStorage(storageKey)
+      $(window).unload(() => {
+        if (storedSize) {
+          localStorage(storageKey, storedSize)
+        }
+      })
+    }
+
+    const toggledExternally = attrs.verticalResizablePanesToggledExternallyOn
+    const resizerDisabledClass = `${layoutOptions.south.resizerClass}-disabled`
+
+    function enableResizer() {
+      if (layoutHandle.resizers && layoutHandle.resizers.south) {
+        layoutHandle.resizers.south.removeClass(resizerDisabledClass)
+      }
+    }
+
+    function disableResizer() {
+      if (layoutHandle.resizers && layoutHandle.resizers.south) {
+        layoutHandle.resizers.south.addClass(resizerDisabledClass)
+      }
+    }
+
+    function handleDragEnd() {
+      manualResizeIncoming = true
+    }
+
+    function handleResize(paneName, paneEl, paneState) {
+      if (manualResizeIncoming) {
+        storedSize = paneState.size
+      }
+      manualResizeIncoming = false
+    }
+
+    if (toggledExternally) {
+      scope.$on(toggledExternally, (e, open) => {
+        let newSize = 'auto'
+        if (open) {
+          if (storedSize) {
+            newSize = storedSize
+          }
+          enableResizer()
+        } else {
+          disableResizer()
+        }
+        layoutHandle.sizePane('south', newSize)
+      })
+    }
+
+    // The `drag` event fires only when the user manually resizes the panes; the `resize` event fires even when
+    // the layout library internally resizes itself. In order to get explicit user-initiated resizes, we need to
+    // listen to `drag` events. However, when the `drag` event fires, the panes aren't yet finished sizing so we
+    // get the pane size *before* the resize happens. We do get the correct size in the next `resize` event.
+    // The solution to work around this is to set up a flag in `drag` events which tells the next `resize` event
+    // that it was user-initiated (therefore, storing the value).
+    layoutOptions.south.ondrag_end = handleDragEnd
+    layoutOptions.south.onresize = handleResize
+
+    const layoutHandle = element.layout(layoutOptions)
+  }
+}))

services/web/frontend/js/ide/editor/EditorManager.js

@@ -132,6 +132,7 @@ export default (EditorManager = (function() {
       this.$scope.ui.view = 'editor'
 
       const done = () => {
+        this.$scope.$broadcast('doc:after-opened')
         if (options.gotoLine != null) {
           // allow Ace to display document before moving, delay until next tick
           // added delay to make this happen later that gotoStoredPosition in

services/web/frontend/js/ide/outline/OutlineManager.js

@@ -14,8 +14,8 @@ class OutlineManager {
     this.isTexFile = false
     this.outline = []
 
-    scope.$watch('editor.sharejs_doc', shareJsDoc => {
+    scope.$on('doc:after-opened', () => {
-      this.shareJsDoc = shareJsDoc
+      this.shareJsDoc = scope.editor.shareJsDoc
       this.isTexFile = isValidTeXFile(scope.editor.open_doc_name)
       this.updateOutline()
       this.broadcastChangeEvent()

services/web/frontend/js/ide/outline/components/OutlinePane.js

@@ -1,15 +1,28 @@
-import React, { useState } from 'react'
+import React, { useState, useEffect } from 'react'
 import PropTypes from 'prop-types'
 import { OverlayTrigger, Tooltip } from 'react-bootstrap'
 import classNames from 'classnames'
 import OutlineRoot from './OutlineRoot'
+import localStorage from '../../../modules/localStorage'
 
-function OutlinePane({ isTexFile, outline, jumpToLine }) {
+function OutlinePane({ isTexFile, outline, projectId, jumpToLine, onToggle }) {
-  const [expanded, setExpanded] = useState(true)
+  const storageKey = `file_outline.expanded.${projectId}`
+  const [expanded, setExpanded] = useState(() => {
+    const storedExpandedState = localStorage(storageKey) !== false
+    return storedExpandedState
+  })
+  const isOpen = isTexFile && expanded
+
+  useEffect(
+    () => {
+      onToggle(isOpen)
+    },
+    [isOpen]
+  )
 
   const expandCollapseIconClasses = classNames('fa', 'outline-caret-icon', {
-    'fa-angle-down': expanded,
+    'fa-angle-down': isOpen,
-    'fa-angle-right': !expanded
+    'fa-angle-right': !isOpen
   })
 
   const headerClasses = classNames('outline-pane', {
@@ -18,6 +31,7 @@ function OutlinePane({ isTexFile, outline, jumpToLine }) {
 
   function handleExpandCollapseClick() {
     if (isTexFile) {
+      localStorage(storageKey, !expanded)
       setExpanded(!expanded)
     }
   }
@@ -32,7 +46,6 @@ function OutlinePane({ isTexFile, outline, jumpToLine }) {
         >
           <i className={expandCollapseIconClasses} />
           <h4 className="outline-header-name">File outline</h4>
-        </button>
           <OverlayTrigger placement="top" overlay={tooltip} delayHide={100}>
             <a
               href="/beta/participate"
@@ -41,11 +54,12 @@ function OutlinePane({ isTexFile, outline, jumpToLine }) {
               className="outline-header-beta-badge"
             >
               <span className="sr-only">
-              The File outline is a beta feature. Click here to manage your beta
+                The File outline is a beta feature. Click here to manage your
-              program membership.
+                beta program membership.
               </span>
             </a>
           </OverlayTrigger>
+        </button>
       </header>
       {expanded && isTexFile ? (
         <div className="outline-body">
@@ -65,7 +79,9 @@ const tooltip = (
 OutlinePane.propTypes = {
   isTexFile: PropTypes.bool.isRequired,
   outline: PropTypes.array.isRequired,
-  jumpToLine: PropTypes.func.isRequired
+  projectId: PropTypes.string.isRequired,
+  jumpToLine: PropTypes.func.isRequired,
+  onToggle: PropTypes.func
 }
 
 export default OutlinePane

services/web/frontend/js/ide/outline/controllers/OutlineController.js

@@ -18,10 +18,22 @@ App.controller('OutlineController', function($scope, ide) {
   $scope.jumpToLine = lineNo => {
     ide.outlineManager.jumpToLine(lineNo)
   }
+
+  $scope.onToggle = isOpen => {
+    $scope.$applyAsync(() => {
+      $scope.$emit('outline-toggled', isOpen)
+    })
+  }
 })
 
 // Wrap React component as Angular component. Only needed for "top-level" component
 App.component(
   'outlinePane',
-  react2angular(OutlinePane, ['outline', 'jumpToLine', 'isTexFile'])
+  react2angular(OutlinePane, [
+    'outline',
+    'jumpToLine',
+    'projectId',
+    'isTexFile',
+    'onToggle'
+  ])
 )

services/web/frontend/js/modules/localStorage.js

@@ -1,13 +1,17 @@
-angular.module('localStorage', []).value('localStorage', function(...args) {
+angular.module('localStorage', []).value('localStorage', localStorage)
+
 /*
   localStorage can throw browser exceptions, for example if it is full
   We don't use localStorage for anything critical, on in that case just
   fail gracefully.
 */
+function localStorage(...args) {
   try {
     return $.localStorage(...args)
   } catch (e) {
     console.error('localStorage exception', e)
     return null
   }
-})
+}
+
+export default localStorage

services/web/frontend/stylesheets/_style_includes.less

@@ -61,6 +61,7 @@
 @import 'components/popovers.less';
 @import 'components/carousel.less';
 @import 'components/daterange-picker';
+@import 'components/vertical-resizable-panes.less';
 
 // ngTagsInput
 @import 'components/tags-input.less';

services/web/frontend/stylesheets/app/editor/file-tree.less

@@ -8,9 +8,16 @@
   }
 }
 
-.file-tree {
+.editor-sidebar {
   display: flex;
   flex-direction: column;
+}
+
+.file-tree {
+  display: flex !important; // To work around jQuery layout's inline styles
+  flex-direction: column;
+  flex-grow: 1;
+  max-height: 100%;
 
   .toolbar.toolbar-filetree {
     .toolbar-small-mixin;

services/web/frontend/stylesheets/app/editor/outline.less

@@ -1,10 +1,5 @@
-@outline-v-rhythm: 24px;
-@outline-h-rhythm: 24px;
-@outline-item-h-padding: @outline-h-rhythm * 0.25;
-
 .outline-container {
   width: 100%;
-  max-height: 50%; // While we don't support resizing.
   background-color: @file-tree-bg;
 }
 
@@ -13,7 +8,7 @@
   flex-flow: column;
   height: 100%;
   font-size: @font-size-small;
-  color: #fff;
+  color: @file-tree-item-color;
 }
 
 .outline-pane-disabled {
@@ -24,29 +19,33 @@
   .toolbar-small-mixin;
   .toolbar-alt-mixin;
   display: flex;
-  align-items: center;
-  padding-right: @outline-h-rhythm * 0.25;
   flex-shrink: 0;
+  border-bottom: 1px solid @toolbar-border-color;
+  border-top: 1px solid @toolbar-border-color;
 }
 
 .outline-header-expand-collapse-btn {
-  display: inline-block;
+  display: flex;
+  align-items: center;
   background-color: transparent;
   border: 0;
-  padding: 0;
+  padding: 0 (@outline-h-rhythm * 0.25) 0 0;
   font-size: inherit;
   vertical-align: inherit;
-  color: #fff;
+  color: @file-tree-item-color;
-  flex-grow: 1;
+  flex: 1 0 100%;
   text-align: left;
   white-space: nowrap;
-  overflow: hidden;
+  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
-  border-radius: @border-radius-base;
-  text-overflow: ellipsis;
   &:hover,
   &:focus {
     outline: 0;
-    background-color: @ol-blue-gray-5;
+  }
+  &:hover {
+    background-color: @outline-header-hover-bg;
+  }
+  &:hover[disabled] {
+    background-color: transparent;
   }
 }
 
@@ -54,8 +53,13 @@
   display: inline-block;
   font-family: @font-family-sans-serif;
   font-size: @font-size-small;
-  color: #fff;
+  color: @file-tree-item-color;
+  font-weight: 700;
   margin: 0;
+  flex-grow: 1;
+  flex-shrink: 1;
+  overflow: hidden;
+  text-overflow: ellipsis;
 }
 
 .outline-header-beta-badge {
@@ -87,7 +91,7 @@
 }
 
 .outline-body-no-elements {
-  color: @ol-blue-gray-2;
+  color: @outline-no-items-color;
   text-align: center;
   padding: @outline-v-rhythm @outline-h-rhythm (@outline-v-rhythm * 2);
   margin-right: -(@outline-h-rhythm * 0.25);
@@ -95,11 +99,11 @@
 
 .outline-body-link {
   display: block;
-  color: #fff;
+  color: @file-tree-item-color;
   text-decoration: underline;
   &:hover,
   &:focus {
-    color: #fff;
+    color: @file-tree-item-color;
     text-decoration: underline;
   }
 }
@@ -111,7 +115,7 @@
 
   &::before {
     content: '';
-    background-color: @ol-blue-gray-3;
+    background-color: @outline-line-guide-color;
     top: @outline-h-rhythm / 4;
     bottom: @outline-h-rhythm / 4;
     width: 1px;
@@ -127,9 +131,6 @@
   }
 }
 
-.outline-item {
-}
-
 .outline-item-no-children {
   padding-left: @outline-h-rhythm - @outline-item-h-padding;
 }
@@ -149,19 +150,19 @@
   position: relative;
   z-index: 1;
   background-color: @file-tree-bg;
-  color: @ol-blue-gray-2;
+  color: @outline-expand-collapse-color;
   margin-right: -(@outline-item-h-padding);
   border-radius: @border-radius-base;
   &:hover,
   &:focus {
     outline: 0;
-    background-color: @ol-blue-gray-5;
+    background-color: @file-tree-item-hover-bg;
   }
 }
 
 .outline-item-link {
   display: inline;
-  color: #fff;
+  color: @file-tree-item-color;
   background-color: transparent;
   border: 0;
   position: relative;
@@ -174,7 +175,7 @@
   &:hover,
   &:focus {
     outline: 0;
-    background-color: @ol-blue-gray-5;
+    background-color: @file-tree-item-hover-bg;
   }
 }
 

services/web/frontend/stylesheets/components/vertical-resizable-panes.less

@@ -0,0 +1,21 @@
+.vertical-resizable-resizer {
+  background-color: @vertical-resizable-resizer-bg;
+
+  &:hover {
+    background-color: @vertical-resizable-resizer-hover-bg;
+  }
+
+  &::after {
+    content: '····';
+    display: block;
+    color: @ol-blue-gray-2;
+    text-align: center;
+    font-size: 20px;
+    line-height: 3px;
+    pointer-events: none;
+  }
+}
+
+.vertical-resizable-resizer-disabled {
+  pointer-events: none;
+}

services/web/frontend/stylesheets/core/ol-light-variables.less

@@ -57,6 +57,13 @@
 
 @content-alt-bg-color : @ol-blue-gray-0;
 
+// File outline
+@outline-line-guide-color: @ol-blue-gray-1;
+@outline-header-hover-bg: @file-tree-item-hover-bg;
+
+@vertical-resizable-resizer-bg: @ol-blue-gray-1;
+@vertical-resizable-resizer-hover-bg: @file-tree-item-hover-bg;
+
 // Editor resizers
 @editor-resizer-bg-color : @ol-blue-gray-1;
 @editor-resizer-bg-color-dragging: @ol-blue-gray-1;

services/web/frontend/stylesheets/core/variables.less

@@ -1012,6 +1012,18 @@
 @file-tree-multiselect-hover-bg: @ol-dark-blue;
 @file-tree-droppable-bg-color: @ol-blue-gray-2;
 
+// File outline
+@outline-v-rhythm: 24px;
+@outline-h-rhythm: 24px;
+@outline-item-h-padding: @outline-h-rhythm * 0.25;
+@outline-line-guide-color: @ol-blue-gray-3;
+@outline-expand-collapse-color: @ol-blue-gray-2;
+@outline-no-items-color: @ol-blue-gray-2;
+@outline-header-hover-bg: @ol-blue-gray-6;
+
+@vertical-resizable-resizer-bg: @ol-blue-gray-5;
+@vertical-resizable-resizer-hover-bg: @ol-blue-gray-6;
+
 // Editor resizers
 @editor-resizer-bg-color: @ol-blue-gray-5;
 @editor-resizer-bg-color-dragging: @ol-blue-gray-5;