diff --git a/src/applications/differential/parser/changeset/DifferentialChangesetParser.php b/src/applications/differential/parser/changeset/DifferentialChangesetParser.php
index 4682350451..b0caa6a16a 100644
--- a/src/applications/differential/parser/changeset/DifferentialChangesetParser.php
+++ b/src/applications/differential/parser/changeset/DifferentialChangesetParser.php
@@ -1,7 +1,7 @@
 <?php
 
 /*
- * Copyright 2011 Facebook, Inc.
+ * Copyright 2012 Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -1313,8 +1313,9 @@ class DifferentialChangesetParser {
             'mustcapture' => true,
             'sigil'       => 'show-more',
             'meta'        => array(
+              'type'   => 'all',
               'ref'    => $reference,
-              'range' => "{$top}-{$len}/{$top}-{$len}",
+              'range'  => "{$top}-{$len}/{$top}-{$len}",
             ),
           ),
           'Show All '.$len.' Lines');
diff --git a/src/applications/differential/view/changesetdetailview/DifferentialChangesetDetailView.php b/src/applications/differential/view/changesetdetailview/DifferentialChangesetDetailView.php
index 74c788064f..c623b8a07c 100644
--- a/src/applications/differential/view/changesetdetailview/DifferentialChangesetDetailView.php
+++ b/src/applications/differential/view/changesetdetailview/DifferentialChangesetDetailView.php
@@ -1,7 +1,7 @@
 <?php
 
 /*
- * Copyright 2011 Facebook, Inc.
+ * Copyright 2012 Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@ class DifferentialChangesetDetailView extends AphrontView {
   private $buttons = array();
   private $revisionID;
   private $symbolIndex;
+  private $id;
 
   public function setChangeset($changeset) {
     $this->changeset = $changeset;
@@ -43,6 +44,13 @@ class DifferentialChangesetDetailView extends AphrontView {
     return $this;
   }
 
+  public function getID() {
+    if (!$this->id) {
+      $this->id = celerity_generate_unique_node_id();
+    }
+    return $this->id;
+  }
+
   public function render() {
     require_celerity_resource('differential-changeset-view-css');
     require_celerity_resource('syntax-highlighting-css');
@@ -67,7 +75,7 @@ class DifferentialChangesetDetailView extends AphrontView {
         '</div>';
     }
 
-    $id = celerity_generate_unique_node_id();
+    $id = $this->getID();
 
     if ($this->symbolIndex) {
       Javelin::initBehavior(
diff --git a/src/applications/differential/view/changesetlistview/DifferentialChangesetListView.php b/src/applications/differential/view/changesetlistview/DifferentialChangesetListView.php
index 3dd0c07f60..20dd1c36a6 100644
--- a/src/applications/differential/view/changesetlistview/DifferentialChangesetListView.php
+++ b/src/applications/differential/view/changesetlistview/DifferentialChangesetListView.php
@@ -101,6 +101,8 @@ class DifferentialChangesetListView extends AphrontView {
 
       $ref = $this->references[$key];
 
+      $detail = new DifferentialChangesetDetailView();
+
       $detail_button = null;
       if ($this->standaloneViews) {
         $detail_uri = new PhutilURI($this->renderURI);
@@ -125,6 +127,7 @@ class DifferentialChangesetListView extends AphrontView {
               'leftURI'       => (string)$detail_uri->alter('view', 'old'),
               'rightURI'      => (string)$detail_uri->alter('view', 'new'),
               'diffusionURI'  => $diffusion_uri,
+              'containerID'   => $detail->getID(),
             ),
             'href'    => $detail_uri,
             'target'  => '_blank',
@@ -133,12 +136,12 @@ class DifferentialChangesetListView extends AphrontView {
           "View Options \xE2\x96\xBC");
       }
 
-      $uniq_id = celerity_generate_unique_node_id();
 
-      $detail = new DifferentialChangesetDetailView();
       $detail->setChangeset($changeset);
       $detail->addButton($detail_button);
       $detail->setSymbolIndex(idx($this->symbolIndexes, $key));
+
+      $uniq_id = celerity_generate_unique_node_id();
       $detail->appendChild(
         phutil_render_tag(
           'div',
diff --git a/webroot/rsrc/js/application/core/DropdownMenuItem.js b/webroot/rsrc/js/application/core/DropdownMenuItem.js
index b3535aee30..392a7e07a5 100644
--- a/webroot/rsrc/js/application/core/DropdownMenuItem.js
+++ b/webroot/rsrc/js/application/core/DropdownMenuItem.js
@@ -8,19 +8,19 @@
 JX.install('PhabricatorMenuItem', {
 
   construct : function(name, action) {
-    this._name = name;
+    this.setName(name);
     this._action = action;
   },
 
   members : {
-    _name : null,
     _action : null,
 
     render : function() {
       if (this.getDisabled()) {
-        return JX.$N('span', this._name);
+        return JX.$N('span', this.getName());
       } else {
-        return JX.$N('a', { href : '#', meta : { item : this } }, this._name);
+        var attrs = { href : '#', meta : { item : this } };
+        return JX.$N('a', attrs, this.getName());
       }
     },
 
@@ -30,6 +30,7 @@ JX.install('PhabricatorMenuItem', {
   },
 
   properties : {
+    name : '',
     disabled : false
   }
 
diff --git a/webroot/rsrc/js/application/differential/behavior-dropdown-menus.js b/webroot/rsrc/js/application/differential/behavior-dropdown-menus.js
index f0e3b6f0c0..c881ce327b 100644
--- a/webroot/rsrc/js/application/differential/behavior-dropdown-menus.js
+++ b/webroot/rsrc/js/application/differential/behavior-dropdown-menus.js
@@ -10,33 +10,70 @@
 
 JX.behavior('differential-dropdown-menus', function(config) {
 
-  var buttons = JX.DOM.scry(window.document, 'a', 'differential-view-options');
+  function build_menu(button, data) {
 
-  for (var ii = 0; ii < buttons.length; ii++) {
-    var data = JX.Stratcom.getData(buttons[ii]);
+    function show_more() {
+      var container = JX.$(data.containerID);
+      var nodes = JX.DOM.scry(container, 'tr', 'context-target');
+      for (var ii = 0; ii < nodes.length; ii++) {
+        var show = JX.DOM.scry(nodes[ii], 'a', 'show-more');
+        for (var jj = 0; jj < show.length; jj++) {
+          if (JX.Stratcom.getData(show[jj]).type != 'all') {
+            continue;
+          }
+          var event_data = {
+            context : nodes[ii],
+            show : show[jj]
+          };
+          JX.Stratcom.invoke('differential-reveal-context', null, event_data);
+        }
+      }
+    }
 
-    var diffusion_item = new JX.PhabricatorMenuItem(
-      'Browse in Diffusion',
-      JX.bind(null, window.open, data.diffusionURI))
+    function link_to(name, uri) {
+      var item = new JX.PhabricatorMenuItem(
+        name,
+        JX.bind(null, window.open, uri));
+      item.setDisabled(!uri);
+      return item;
+    }
 
+    var reveal_item = new JX.PhabricatorMenuItem('', show_more);
+
+    var diffusion_item = link_to('Browse in Diffusion', data.diffusionURI);
     if (!data.diffusionURI) {
       diffusion_item.setDisabled(true);
     }
 
-    new JX.PhabricatorDropdownMenu(buttons[ii])
+    var menu = new JX.PhabricatorDropdownMenu(buttons[ii])
+      .addItem(reveal_item)
       .addItem(diffusion_item)
-      .addItem(
-        new JX.PhabricatorMenuItem(
-          'View Standalone',
-          JX.bind(null, window.open, data.detailURI)))
-      .addItem(
-        new JX.PhabricatorMenuItem(
-          'Show Raw File (Left)',
-          JX.bind(null, window.open, data.leftURI)))
-      .addItem(
-        new JX.PhabricatorMenuItem(
-          'Show Raw File (Right)',
-          JX.bind(null, window.open, data.rightURI)));
+      .addItem(link_to('View Standalone', data.detailURI))
+      .addItem(link_to('Show Raw File (Left)', data.leftURI))
+      .addItem(link_to('Show Raw File (Right)', data.rightURI));
+
+    menu.listen(
+      'open',
+      function() {
+
+        // When the user opens the menu, check if there are any "Show More"
+        // links in the changeset body. If there aren't, disable the "Show
+        // Entire File" menu item since it won't change anything.
+
+        var nodes = JX.DOM.scry(JX.$(data.containerID), 'a', 'show-more');
+        if (nodes.length) {
+          reveal_item.setDisabled(false);
+          reveal_item.setName('Show Entire File');
+        } else {
+          reveal_item.setDisabled(true);
+          reveal_item.setName('Entire File Shown');
+        }
+      });
+  }
+
+  var buttons = JX.DOM.scry(window.document, 'a', 'differential-view-options');
+  for (var ii = 0; ii < buttons.length; ii++) {
+    build_menu(buttons[ii], JX.Stratcom.getData(buttons[ii]));
   }
 
 });
diff --git a/webroot/rsrc/js/application/differential/behavior-show-more.js b/webroot/rsrc/js/application/differential/behavior-show-more.js
index 28423cbd2c..81ea38790a 100644
--- a/webroot/rsrc/js/application/differential/behavior-show-more.js
+++ b/webroot/rsrc/js/application/differential/behavior-show-more.js
@@ -9,28 +9,40 @@
 
 JX.behavior('differential-show-more', function(config) {
 
-  function onresponse(origin, response) {
+  function onresponse(context, response) {
     var div = JX.$N('div', {}, JX.$H(response));
-    var anchor = origin.getNode('context-target');
-    var root = anchor.parentNode;
-    copyRows(root, div, anchor);
-    root.removeChild(anchor);
+    var root = context.parentNode;
+    copyRows(root, div, context);
+    root.removeChild(context);
   }
 
   JX.Stratcom.listen(
     'click',
     'show-more',
     function(e) {
-      var context = e.getNodes()['context-target'];
+      var event_data = {
+        context :  e.getNodes()['context-target'],
+        show : e.getNodes()['show-more']
+      };
+
+      JX.Stratcom.invoke('differential-reveal-context', null, event_data);
+      e.kill();
+    });
+
+  JX.Stratcom.listen(
+    'differential-reveal-context',
+    null,
+    function(e) {
+      var context = e.getData().context;
+      var data = JX.Stratcom.getData(e.getData().show);
+
       var container = JX.DOM.find(context, 'td');
       JX.DOM.setContent(container, 'Loading...');
       JX.DOM.alterClass(context, 'differential-show-more-loading', true);
-      var data = e.getNodeData('show-more');
       data['whitespace'] = config.whitespace;
       new JX.Workflow(config.uri, data)
-        .setHandler(JX.bind(null, onresponse, e))
+        .setHandler(JX.bind(null, onresponse, context))
         .start();
-      e.kill();
     });
 
 });