Roughly style the new "flank" paths UI

Summary: Ref T13516. Apply basic UI styling to the new UI and make some more interaction work.

Test Plan: {F7374096}

Maniphest Tasks: T13516

Differential Revision: https://secure.phabricator.com/D21153

resources/celerity/map.php

···
     'conpherence.pkg.css' => '3c8a0668',
     'conpherence.pkg.js' => '020aebcf',
     'core.pkg.css' => 'a4a2417c',
-    'core.pkg.js' => '4355a8d3',
+    'core.pkg.js' => 'd092ddaf',
     'differential.pkg.css' => '607c84be',
-    'differential.pkg.js' => '688775a9',
+    'differential.pkg.js' => '58e09368',
     'diffusion.pkg.css' => '42c75c37',
     'diffusion.pkg.js' => 'a98c0bf7',
     'maniphest.pkg.css' => '35995d6d',
···
     'rsrc/css/application/countdown/timer.css' => 'bff8012f',
     'rsrc/css/application/daemon/bulk-job.css' => '73af99f5',
     'rsrc/css/application/dashboard/dashboard.css' => '5a205b9d',
+    'rsrc/css/application/diff/diff-tree-view.css' => 'ce58c3d1',
     'rsrc/css/application/diff/inline-comment-summary.css' => '81eb368d',
     'rsrc/css/application/differential/add-comment.css' => '7e5900d9',
     'rsrc/css/application/differential/changeset-view.css' => '489b6995',
···
     'rsrc/css/phui/phui-fontkit.css' => '1ec937e5',
     'rsrc/css/phui/phui-form-view.css' => '01b796c0',
     'rsrc/css/phui/phui-form.css' => '1f177cb7',
-    'rsrc/css/phui/phui-formation-view.css' => 'e87a0801',
+    'rsrc/css/phui/phui-formation-view.css' => '82a3b73e',
     'rsrc/css/phui/phui-head-thing.css' => 'd7f293df',
     'rsrc/css/phui/phui-header-view.css' => '36c86a58',
     'rsrc/css/phui/phui-hovercard.css' => '6ca90fa0',
···
     'rsrc/js/application/dashboard/behavior-dashboard-move-panels.js' => 'a2ab19be',
     'rsrc/js/application/dashboard/behavior-dashboard-query-panel-select.js' => '1e413dc9',
     'rsrc/js/application/dashboard/behavior-dashboard-tab-panel.js' => '0116d3e8',
-    'rsrc/js/application/diff/DiffChangeset.js' => 'd1eda7b4',
-    'rsrc/js/application/diff/DiffChangesetList.js' => '469beba0',
+    'rsrc/js/application/diff/DiffChangeset.js' => 'ea6e377d',
+    'rsrc/js/application/diff/DiffChangesetList.js' => '5a351998',
     'rsrc/js/application/diff/DiffInline.js' => '16e97ebc',
-    'rsrc/js/application/diff/DiffPathView.js' => 'e5166692',
-    'rsrc/js/application/diff/DiffTreeView.js' => '4055adeb',
+    'rsrc/js/application/diff/DiffPathView.js' => '8337f4c7',
+    'rsrc/js/application/diff/DiffTreeView.js' => 'a5823e4d',
     'rsrc/js/application/diff/behavior-preview-link.js' => 'f51e9c17',
     'rsrc/js/application/differential/behavior-diff-radios.js' => '925fe8cd',
     'rsrc/js/application/differential/behavior-populate.js' => 'b86ef6c2',
···
     'rsrc/js/core/FileUpload.js' => 'ab85e184',
     'rsrc/js/core/Hovercard.js' => '074f0783',
     'rsrc/js/core/KeyboardShortcut.js' => '1a844c06',
-    'rsrc/js/core/KeyboardShortcutManager.js' => 'ef926938',
+    'rsrc/js/core/KeyboardShortcutManager.js' => '81debc48',
     'rsrc/js/core/MultirowRowManager.js' => '5b54c823',
     'rsrc/js/core/Notification.js' => 'a9b91e3f',
     'rsrc/js/core/Prefab.js' => '5793d835',
···
     'rsrc/js/phuix/PHUIXDropdownMenu.js' => '7acfd98b',
     'rsrc/js/phuix/PHUIXExample.js' => 'c2c500a7',
     'rsrc/js/phuix/PHUIXFormControl.js' => '38c1f3fb',
-    'rsrc/js/phuix/PHUIXFormationColumnView.js' => '8afd2cb1',
+    'rsrc/js/phuix/PHUIXFormationColumnView.js' => '4bcc1f78',
     'rsrc/js/phuix/PHUIXFormationFlankView.js' => '6648270a',
     'rsrc/js/phuix/PHUIXFormationView.js' => 'cef53b3e',
     'rsrc/js/phuix/PHUIXIconView.js' => 'a5257c4e',
···
     'conpherence-thread-manager' => 'aec8e38c',
     'conpherence-transaction-css' => '3a3f5e7e',
     'd3' => '9d068042',
+    'diff-tree-view-css' => 'ce58c3d1',
     'differential-changeset-view-css' => '489b6995',
     'differential-core-view-css' => '7300a73e',
     'differential-revision-add-comment-css' => '7e5900d9',
···
     'phabricator-darklog' => '3b869402',
     'phabricator-darkmessage' => '26cd4b73',
     'phabricator-dashboard-css' => '5a205b9d',
-    'phabricator-diff-changeset' => 'd1eda7b4',
-    'phabricator-diff-changeset-list' => '469beba0',
+    'phabricator-diff-changeset' => 'ea6e377d',
+    'phabricator-diff-changeset-list' => '5a351998',
     'phabricator-diff-inline' => '16e97ebc',
-    'phabricator-diff-path-view' => 'e5166692',
-    'phabricator-diff-tree-view' => '4055adeb',
+    'phabricator-diff-path-view' => '8337f4c7',
+    'phabricator-diff-tree-view' => 'a5823e4d',
     'phabricator-drag-and-drop-file-upload' => '4370900d',
     'phabricator-draggable-list' => '0169e425',
     'phabricator-fatal-config-template-css' => '20babf50',
···
     'phabricator-filetree-view-css' => '56cdd875',
     'phabricator-flag-css' => '2b77be8d',
     'phabricator-keyboard-shortcut' => '1a844c06',
-    'phabricator-keyboard-shortcut-manager' => 'ef926938',
+    'phabricator-keyboard-shortcut-manager' => '81debc48',
     'phabricator-main-menu-view' => 'bcec20f0',
     'phabricator-nav-view-css' => 'f8a0c1bf',
     'phabricator-notification' => 'a9b91e3f',
···
     'phui-fontkit-css' => '1ec937e5',
     'phui-form-css' => '1f177cb7',
     'phui-form-view-css' => '01b796c0',
-    'phui-formation-view-css' => 'e87a0801',
+    'phui-formation-view-css' => '82a3b73e',
     'phui-head-thing-view-css' => 'd7f293df',
     'phui-header-view-css' => '36c86a58',
     'phui-hovercard' => '074f0783',
···
     'phuix-button-view' => '55a24e84',
     'phuix-dropdown-menu' => '7acfd98b',
     'phuix-form-control-view' => '38c1f3fb',
-    'phuix-formation-column-view' => '8afd2cb1',
+    'phuix-formation-column-view' => '4bcc1f78',
     'phuix-formation-flank-view' => '6648270a',
     'phuix-formation-view' => 'cef53b3e',
     'phuix-icon-view' => 'a5257c4e',
···
       'phabricator-drag-and-drop-file-upload',
       'phabricator-draggable-list',
     ),
-    '4055adeb' => array(
-      'javelin-dom',
-    ),
     '407ee861' => array(
       'javelin-behavior',
       'javelin-uri',
···
       'javelin-util',
       'phabricator-busy',
     ),
-    '469beba0' => array(
-      'javelin-install',
-      'phuix-button-view',
-      'phabricator-diff-tree-view',
-    ),
     '47a0728b' => array(
       'javelin-behavior',
       'javelin-dom',
···
       'javelin-dom',
       'javelin-util',
       'javelin-request',
+    ),
+    '4bcc1f78' => array(
+      'javelin-install',
+      'javelin-dom',
     ),
     '4dffaeb2' => array(
       'javelin-behavior',
···
       'javelin-stratcom',
       'javelin-dom',
       'javelin-history',
+    ),
+    '5a351998' => array(
+      'javelin-install',
+      'phuix-button-view',
+      'phabricator-diff-tree-view',
     ),
     '5a6f6a06' => array(
       'javelin-behavior',
···
       'javelin-install',
       'javelin-typeahead-source',
     ),
+    '81debc48' => array(
+      'javelin-install',
+      'javelin-util',
+      'javelin-stratcom',
+      'javelin-dom',
+      'javelin-vector',
+    ),
+    '8337f4c7' => array(
+      'javelin-dom',
+    ),
     83754533 => array(
       'javelin-install',
       'javelin-util',
···
       'javelin-workflow',
       'javelin-dom',
       'phabricator-draggable-list',
-    ),
-    '8afd2cb1' => array(
-      'javelin-install',
-      'javelin-dom',
     ),
     '8b5c7d65' => array(
       'javelin-behavior',
···
     ),
     'a5257c4e' => array(
       'javelin-install',
+      'javelin-dom',
+    ),
+    'a5823e4d' => array(
       'javelin-dom',
     ),
     'a61c2d11' => array(
···
       'javelin-workflow',
       'javelin-util',
     ),
-    'd1eda7b4' => array(
-      'javelin-dom',
-      'javelin-util',
-      'javelin-stratcom',
-      'javelin-install',
-      'javelin-workflow',
-      'javelin-router',
-      'javelin-behavior-device',
-      'javelin-vector',
-      'phabricator-diff-inline',
-      'phabricator-diff-path-view',
-    ),
     'd3799cb4' => array(
       'javelin-install',
     ),
···
       'javelin-dom',
       'phuix-dropdown-menu',
     ),
-    'e5166692' => array(
-      'javelin-dom',
-    ),
     'e5bdb730' => array(
       'javelin-behavior',
       'javelin-stratcom',
···
       'javelin-install',
       'javelin-event',
     ),
+    'ea6e377d' => array(
+      'javelin-dom',
+      'javelin-util',
+      'javelin-stratcom',
+      'javelin-install',
+      'javelin-workflow',
+      'javelin-router',
+      'javelin-behavior-device',
+      'javelin-vector',
+      'phabricator-diff-inline',
+      'phabricator-diff-path-view',
+    ),
     'ebe83a6b' => array(
       'javelin-install',
     ),
···
       'javelin-behavior',
       'javelin-dom',
       'javelin-stratcom',
-    ),
-    'ef926938' => array(
-      'javelin-install',
-      'javelin-util',
-      'javelin-stratcom',
-      'javelin-dom',
-      'javelin-vector',
     ),
     'f166c949' => array(
       'javelin-behavior',

src/applications/differential/engine/DifferentialFileTreeEngine.php

···
       return $content;
     }
 
+    require_celerity_resource('diff-tree-view-css');
+
     $width = $this->getWidth();
     $is_visible = $this->getIsVisible();
 
     $formation_view = new PHUIFormationView();
 
     $flank_view = $formation_view->newFlankColumn()
-      ->setHeaderText(pht('Affected Paths'))
+      ->setHeaderText(pht('Paths'))
       ->setIsResizable(true)
       ->setIsFixed(true)
       ->setIsVisible($is_visible)
···
     $viewer = $this->getViewer();
     if ($viewer->isLoggedIn()) {
       $flank_view
+        ->setExpanderTooltip(pht('Show Paths Panel'))
         ->setVisibleSettingKey($this->getVisibleSettingKey())
         ->setWidthSettingKey($this->getWidthSettingKey());
     }
 
-    $flank_view->setHead(
-      array(
-        phutil_tag('div', array(),
-          array(
-            id(new PHUIIconView())->setIcon('fa-list'),
-            pht('Table of Contents'),
-            '[t]',
-          )),
-      ));
+    $head_view = id(new PHUIListView())
+      ->addMenuItem(
+        id(new PHUIListItemView())
+          ->setIcon('fa-list')
+          ->setName(pht('Table of Contents'))
+          ->setKeyCommand('t')
+          ->setHref('#'));
+    $flank_view->setHead($head_view);
 
-    $flank_view->setBody(
-      phutil_tag(
-        'div',
-        array(
-          'class' => 'phui-flank-loading',
-        ),
-        pht('Loading...')));
-
-    $flank_view->setTail(
-      array(
-        phutil_tag('div', array(),
-          array(
-            id(new PHUIIconView())->setIcon('fa-chevron-left'),
-            pht('Hide Panel'),
-            '[f]',
-          )),
-        phutil_tag(
-          'div',
-          array(),
-          array(
-            id(new PHUIIconView())->setIcon('fa-keyboard-o'),
-            pht('Keyboard Reference'),
-            '[?]',
-          )),
-      ));
+    $tail_view = id(new PHUIListView())
+      ->addMenuItem(
+        id(new PHUIListItemView())
+          ->setIcon('fa-chevron-left')
+          ->setName(pht('Hide Panel'))
+          ->setKeyCommand('f')
+          ->setHref('#'))
+      ->addMenuItem(
+        id(new PHUIListItemView())
+          ->setIcon('fa-keyboard-o')
+          ->setName(pht('Keyboard Reference'))
+          ->setKeyCommand('?')
+          ->setHref('#'));
+    $flank_view->setTail($tail_view);
 
     $main_column = $formation_view->newContentColumn()
       ->appendChild($content);

src/applications/differential/view/DifferentialChangesetDetailView.php

···
       return null;
     }
 
-    return '/settings/panel/display/';
+    return '/settings/panel/editor/';
   }
 
 }

src/view/formation/PHUIFormationColumnDynamicView.php

···
   private $visibleSettingKey;
   private $minimumWidth;
   private $maximumWidth;
+  private $expanderTooltip;
+
+  public function setExpanderTooltip($expander_tooltip) {
+    $this->expanderTooltip = $expander_tooltip;
+    return $this;
+  }
+
+  public function getExpanderTooltip() {
+    return $this->expanderTooltip;
+  }
 
   public function setIsVisible($is_visible) {
     $this->isVisible = $is_visible;

src/view/formation/PHUIFormationColumnView.php

···
     return null;
   }
 
+  public function getExpanderTooltip() {
+    return null;
+  }
+
 }

src/view/formation/PHUIFormationView.php

···
   private function generateExpanders(array $items) {
     foreach ($items as $item) {
       $control_item = $item->getControlItem();
-      if ($control_item) {
-        $expander = $this->newColumnExpanderView();
+      if (!$control_item) {
+        continue;
+      }
+
+      $expander = $this->newColumnExpanderView();
+
+      $tip = $item->getColumn()->getExpanderTooltip();
+      $expander->setTooltip($tip);
 
-        $expander->setColumnItem($item);
-        $item->setExpander($expander);
+      $expander->setColumnItem($item);
+      $item->setExpander($expander);
 
-        $control_item->appendExpander($expander);
-      }
+      $control_item->appendExpander($expander);
     }
 
     return $items;

src/view/phui/PHUIListItemView.php

···
   private $count;
   private $rel;
   private $dropdownMenu;
+  private $keyCommand;
 
   public function setOpenInNewWindow($open_in_new_window) {
     $this->openInNewWindow = $open_in_new_window;
···
     return 'li';
   }
 
+  public function setKeyCommand($key_command) {
+    $this->keyCommand = $key_command;
+    return $this;
+  }
+
+  public function getKeyCommand() {
+    return $this->keyCommand;
+  }
+
   protected function getTagAttributes() {
     $classes = array();
     $classes[] = 'phui-list-item-view';
···
     $name = null;
     $icon = null;
     $meta = null;
-    $sigil = null;
+    $sigil = array();
 
     if ($this->name) {
       if ($this->getRenderNameAsTooltip()) {
         Javelin::initBehavior('phabricator-tooltips');
-        $sigil = 'has-tooltip';
+        $sigil[] = 'has-tooltip';
         $meta = array(
           'tip' => $this->name,
           'align' => 'E',
···
       } else {
         if ($this->tooltip) {
           Javelin::initBehavior('phabricator-tooltips');
-          $sigil = 'has-tooltip';
+          $sigil[] = 'has-tooltip';
           $meta = array(
             'tip' => $this->tooltip,
             'align' => 'E',
···
 
     $icons = $this->getIcons();
 
+    $key_command = null;
+    if ($this->keyCommand) {
+      $key_command = phutil_tag(
+        'span',
+        array(
+          'class' => 'keyboard-shortcut-key',
+        ),
+        $this->keyCommand);
+      $sigil[] = 'has-key-command';
+      $meta['keyCommand'] = $this->keyCommand;
+    }
+
     $list_item = javelin_tag(
       $this->href ? 'a' : 'div',
       array(
         'href' => $this->href,
         'class' => implode(' ', $classes),
         'meta' => $meta,
-        'sigil' => $sigil,
+        'sigil' => implode(' ', $sigil),
         'target' => $this->getOpenInNewWindow() ? '_blank' : null,
         'rel' => $this->rel,
       ),
···
         $this->renderChildren(),
         $name,
         $count,
+        $key_command,
         $caret,
       ));
 

webroot/rsrc/css/application/diff/diff-tree-view.css

···
+/**
+ * @provides diff-tree-view-css
+ */
+
+.diff-tree-view {
+  margin: 4px;
+}
+
+.diff-tree-path {
+  position: relative;
+  height: 20px;
+  color: {$greytext};
+  line-height: 20px;
+}
+
+.diff-tree-path-icon {
+  position: absolute;
+  width: 20px;
+  height: 20px;
+  text-align: center;
+}
+
+.diff-tree-path-name {
+  margin-left: 24px;
+  margin-right: 24px;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.diff-tree-path-changeset {
+  cursor: pointer;
+  color: {$darkbluetext};
+}
+
+.diff-tree-path-focused {
+  background: {$darkgreybackground};
+}
+
+.diff-tree-path-selected {
+  background: {$yellow};
+}
+
+.device-desktop .diff-tree-path-changeset:hover {
+  background: {$lightblueborder};
+  transition: 0.1s;
+}

webroot/rsrc/css/phui/phui-formation-view.css

···
 
 .phui-flank-header {
   padding: 8px;
-  background: {$greybackground};
+  background: {$bluebackground};
   border-bottom: 1px solid {$lightgreyborder};
 }
 
···
   width: 100%;
 }
 
-.phui-flank-loading {
-  color: {$lightgreytext};
+.phui-flank-view .phui-list-view {
+  margin: 4px;
+}
+
+.phui-flank-view .phui-list-item-view {
+  height: 20px;
+  padding: 4px 0;
+}
+
+.phui-flank-view .phui-list-item-view .phui-icon-view {
+  width: 20px;
+  height: 20px;
   text-align: center;
-  margin: 16px;
+  margin-right: 4px;
+}
+
+.phui-flank-view .phui-list-item-view .phui-list-item-href {
+  display: block;
+  color: {$darkbluetext};
+  text-decoration: none;
+}
+
+.device-desktop .phui-flank-view .phui-list-item-view:hover {
+  background: {$lightblueborder};
+  transition: 0.1s;
+}
+
+.phui-flank-view .keyboard-shortcut-key {
+  position: absolute;
+  right: 4px;
+  top: 4px;
+  height: 18px;
+  width: 18px;
+  line-height: 18px;
+  padding: 0;
+  color: {$lightgreytext};
 }

webroot/rsrc/js/application/diff/DiffChangeset.js

···
 
     getPathView: function() {
       if (!this._pathView) {
-        this._pathView = new JX.DiffPathView()
+        var view = new JX.DiffPathView()
           .setChangeset(this)
           .setPath(this._pathParts);
+
+        view.getIcon()
+          .setIcon(this.getIcon());
+
+        this._pathView = view;
       }
 
       return this._pathView;

webroot/rsrc/js/application/diff/DiffChangesetList.js

···
         'Jump to previous inline comment, including collapsed comments.');
       this._installJumpKey('P', label, -1, 'comment', true);
 
+      var formation = this.getFormationView();
+      if (formation) {
+        var filetree = formation.getColumn(0);
+        var toggletree = JX.bind(filetree, filetree.toggleVisibility);
+        this._installKey('f', 'diff-vis', label, toggletree);
+      }
+
       if (!standalone) {
         label = pht('Hide or show the current file.');
         this._installKey('h', 'diff-vis', label, this._onkeytogglefile);
···
         return;
       }
 
+      var tree = this._getTreeView();
+      if (cursor.changeset) {
+        tree.setSelectedPath(cursor.changeset.getPathView());
+      } else {
+        tree.setSelectedPath(null);
+      }
+
       this.setFocus(cursor.nodes.begin, cursor.nodes.end);
 
       if (scroll) {
···
     },
 
     setFocus: function(node, extended_node) {
+      if (!node) {
+        var tree = this._getTreeView();
+        tree.setSelectedPath(null);
+      }
+
       this._focusStart = node;
       this._focusEnd = extended_node;
       this._redrawFocus();
···
       if (!changeset) {
         this._bannerChangeset = null;
         JX.DOM.remove(node);
-        tree.setSelectedPath(null);
+        tree.setFocusedPath(null);
 
         if (formation) {
           formation.repaint();
···
       for (var ii = 0; ii < paths.length; ii++) {
         var path = paths[ii];
         if (path.getChangeset() === changeset) {
-          tree.setSelectedPath(path);
+          tree.setFocusedPath(path);
         }
       }
 

webroot/rsrc/js/application/diff/DiffPathView.js

···
   construct: function() {
   },
 
-  properties: {
-    changeset: null
-  },
-
   members: {
     _node: null,
     _path: null,
     _depth: 0,
     _selected: false,
+    _focused: false,
+    _icon: null,
+
+    _indentNode: null,
+    _pathNode: null,
+    _changeset: null,
 
     getNode: function() {
       if (!this._node) {
-        this._node = JX.$N('li');
+        var attrs = {
+          className: 'diff-tree-path'
+        };
+
+        this._node = JX.$N('li', attrs, this._getIndentNode());
 
         var onclick = JX.bind(this, this._onclick);
         JX.DOM.listen(this._node, 'click', null, onclick);
       }
       return this._node;
+    },
+
+    getIcon: function() {
+      if (!this._icon) {
+        this._icon = new JX.PHUIXIconView();
+      }
+      return this._icon;
     },
 
     setPath: function(path) {
       this._path = path;
-      this._redraw();
+
+      var display = this._path[this._path.length - 1];
+      JX.DOM.setContent(this._getPathNode(), display);
+
+      return this;
+    },
+
+    setChangeset: function(changeset) {
+      this._changeset = changeset;
+
+      var node = this.getNode();
+      JX.DOM.alterClass(node, 'diff-tree-path-changeset', !!changeset);
+
       return this;
+    },
+
+    getChangeset: function() {
+      return this._changeset;
     },
 
     getPath: function() {
···
 
     setDepth: function(depth) {
       this._depth = depth;
-      this._redraw();
+
+      this._getIndentNode().style.marginLeft = (8 * this._depth) + 'px';
+
       return this;
     },
 
     setIsSelected: function(selected) {
       this._selected = selected;
-      this._redraw();
+
+      var node = this.getNode();
+      JX.DOM.alterClass(node, 'diff-tree-path-selected', this._selected);
+
+      return this;
+    },
+
+    setIsFocused: function(focused) {
+      this._focused = focused;
+
+      var node = this.getNode();
+      JX.DOM.alterClass(node, 'diff-tree-path-focused', this._focused);
+
       return this;
     },
 
···
       e.kill();
     },
 
-    _redraw: function() {
-      var node = this.getNode();
+    _getIndentNode: function() {
+      if (!this._indentNode) {
+        var content = [
+          this._getIconNode(),
+          this._getPathNode(),
+        ];
 
-      node.style.paddingLeft = (8 * this._depth) + 'px';
+        this._indentNode = JX.$N('div', {}, content);
+      }
 
-      var display = this._path[this._path.length - 1];
+      return this._indentNode;
+    },
 
-      if (this._selected) {
-        display = ['*', display];
+    _getPathNode: function() {
+      if (!this._pathNode) {
+        var attrs = {
+          className: 'diff-tree-path-name'
+        };
+        this._pathNode = JX.$N('div', attrs);
       }
+      return this._pathNode;
+    },
 
-      JX.DOM.setContent(node, display);
+    _getIconNode: function() {
+      if (!this._iconNode) {
+        var attrs = {
+          className: 'diff-tree-path-icon',
+        };
+        this._iconNode = JX.$N('div', attrs, this.getIcon().getNode());
+      }
+      return this._iconNode;
     }
 
   }

webroot/rsrc/js/application/diff/DiffTreeView.js

···
     _dirty: false,
     _paths: null,
     _selectedPath: null,
+    _focusedPath: null,
 
     getNode: function() {
       if (!this._node) {
-        this._node = JX.$N('ul');
+        var attrs = {
+          className: 'diff-tree-view'
+        };
+
+        this._node = JX.$N('ul', attrs);
       }
 
       if (this._dirty) {
···
       return this;
     },
 
+    setFocusedPath: function(path) {
+      if (this._focusedPath) {
+        this._focusedPath.setIsFocused(false);
+        this._focusedPath = null;
+      }
+
+      if (path) {
+        path.setIsFocused(true);
+      }
+
+      this._focusedPath = path;
+
+      return this;
+    },
+
     redraw: function() {
       if (!this._dirty) {
         return;
···
         if (!path) {
           path = new JX.DiffPathView()
             .setPath(tree.parts);
+
+          path.getIcon()
+            .setIcon('fa-folder-open-o');
+
           tree.pathObject = path;
         }
 

webroot/rsrc/js/core/KeyboardShortcutManager.js

···
     JX.Stratcom.listen('keypress', null, JX.bind(this, this._onkeypress));
     JX.Stratcom.listen('keydown', null, JX.bind(this, this._onkeydown));
     JX.Stratcom.listen('keyup', null, JX.bind(this, this._onkeyup));
+
+    var onelement = JX.bind(this, this._onelement);
+    JX.Stratcom.listen('click', 'has-key-command', onelement);
   },
 
   statics : {
···
 
       var key = this._getKey(e);
 
+      var handled = this._handleKey(key);
+
+      if (handled) {
+        e.kill();
+      }
+    },
+
+    _handleKey: function(key) {
       var shortcuts = this._shortcuts;
+
       for (var ii = 0; ii < shortcuts.length; ii++) {
         var keys = shortcuts[ii].getKeys();
         for (var jj = 0; jj < keys.length; jj++) {
           if (keys[jj] == key) {
             shortcuts[ii].getHandler()(this);
-            e.kill(); // Consume the event
-            return;
+            return true;
           }
         }
       }
+
+      return false;
     },
+
     _onkeydown : function(e) {
       this._handleTooltipKeyEvent(e, true);
 
···
     },
     _getKey : function(e) {
       return e.getSpecialKey() || String.fromCharCode(e.getRawEvent().charCode);
+    },
+    _onelement: function(e) {
+      var data = e.getNodeData('has-key-command');
+      this._handleKey(data.keyCommand);
+
+      e.kill();
     },
     _handleTooltipKeyEvent : function(e, is_keydown) {
       if (e.getRawEvent().keyCode != 18) {

webroot/rsrc/js/phuix/PHUIXFormationColumnView.js

···
 
     _setVisibility: function(visible, e) {
       e.kill();
+      this.setVisibility(visible);
+    },
 
+    toggleVisibility: function() {
+      return this.setVisibility(!this.getIsVisible());
+    },
+
+    setVisibility: function(visible) {
       this.setIsVisible(visible);
       this.repaint();
 
···
       if (visible_key) {
         this._adjustSetting(visible_key, visible ? 1 : 0);
       }
+
+      return this;
     },
 
     _adjustSetting: function(key, value) {