haxy auto comment functionality; try me and then revert me"

app/controllers/comments_controller.rb

@@ -21,7 +21,7 @@ class CommentsController < ApplicationController
     if @comment
       respond_to do |format|
         format.json{ render :json => @comment.as_api_response(:backbone), :status => 201 }
-        format.html{ render :nothing => true, :status => 201 }
+        format.html{ redirect_to :back}
         format.mobile{ render :partial => 'comment', :locals => {:post => @comment.post, :comment => @comment} }
       end
     else

app/views/posts/show.html.haml

@@ -5,6 +5,18 @@
 - content_for :page_title do
   = post_page_title @post
 
+- content_for :head do
+  =javascript_include_tag 'vendor/bootstrap/bootstrap-transition', 'vendor/bootstrap/bootstrap-modal'
+
+:javascript
+  $(function(){
+    $(document).keypress(function(event){
+        $('#text').focus();
+        $('#comment').modal();
+        $('#text').focus();
+      });
+  });
+
 #post-author-header
   = person_image_tag @post.author
   = @post.author.name
@@ -13,3 +25,10 @@
 
 = link_to image_tag('arrow-left.png'), post_path(@post.id-1), :class => 'nav-arrow left'
 = link_to image_tag('arrow-right.png'), post_path(@post.id+1), :class => 'nav-arrow right'
+
+#comment.modal.fade
+  .modal-body
+    = form_tag comments_path, :remote => true do 
+      = text_area_tag :text, ''
+      = hidden_field_tag :post_id, @post.id
+      = submit_tag 'submit', :onclick => "$('#comment').modal('hide'); $('#text').text('')"

public/javascripts/vendor/bootstrap/bootstrap-modal.js

@@ -0,0 +1,209 @@
+/* =========================================================
+ * bootstrap-modal.js v2.0.0
+ * http://twitter.github.com/bootstrap/javascript.html#modals
+ * =========================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================================================= */
+
+
+!function( $ ){
+
+  "use strict"
+
+ /* MODAL CLASS DEFINITION
+  * ====================== */
+
+  var Modal = function ( content, options ) {
+    this.options = $.extend({}, $.fn.modal.defaults, options)
+    this.$element = $(content)
+      .delegate('[data-dismiss="modal"]', 'click.dismiss.modal', $.proxy(this.hide, this))
+  }
+
+  Modal.prototype = {
+
+      constructor: Modal
+
+    , toggle: function () {
+        return this[!this.isShown ? 'show' : 'hide']()
+      }
+
+    , show: function () {
+        var that = this
+
+        if (this.isShown) return
+
+        $('body').addClass('modal-open')
+
+        this.isShown = true
+        this.$element.trigger('show')
+
+        escape.call(this)
+        backdrop.call(this, function () {
+          var transition = $.support.transition && that.$element.hasClass('fade')
+
+          !that.$element.parent().length && that.$element.appendTo(document.body) //don't move modals dom position
+
+          that.$element
+            .show()
+
+          if (transition) {
+            that.$element[0].offsetWidth // force reflow
+          }
+
+          that.$element.addClass('in')
+
+          transition ?
+            that.$element.one($.support.transition.end, function () { that.$element.trigger('shown') }) :
+            that.$element.trigger('shown')
+
+        })
+      }
+
+    , hide: function ( e ) {
+        e && e.preventDefault()
+
+        if (!this.isShown) return
+
+        var that = this
+        this.isShown = false
+
+        $('body').removeClass('modal-open')
+
+        escape.call(this)
+
+        this.$element
+          .trigger('hide')
+          .removeClass('in')
+
+        $.support.transition && this.$element.hasClass('fade') ?
+          hideWithTransition.call(this) :
+          hideModal.call(this)
+      }
+
+  }
+
+
+ /* MODAL PRIVATE METHODS
+  * ===================== */
+
+  function hideWithTransition() {
+    var that = this
+      , timeout = setTimeout(function () {
+          that.$element.off($.support.transition.end)
+          hideModal.call(that)
+        }, 500)
+
+    this.$element.one($.support.transition.end, function () {
+      clearTimeout(timeout)
+      hideModal.call(that)
+    })
+  }
+
+  function hideModal( that ) {
+    this.$element
+      .hide()
+      .trigger('hidden')
+
+    backdrop.call(this)
+  }
+
+  function backdrop( callback ) {
+    var that = this
+      , animate = this.$element.hasClass('fade') ? 'fade' : ''
+
+    if (this.isShown && this.options.backdrop) {
+      var doAnimate = $.support.transition && animate
+
+      this.$backdrop = $('<div class="modal-backdrop ' + animate + '" />')
+        .appendTo(document.body)
+
+      if (this.options.backdrop != 'static') {
+        this.$backdrop.click($.proxy(this.hide, this))
+      }
+
+      if (doAnimate) this.$backdrop[0].offsetWidth // force reflow
+
+      this.$backdrop.addClass('in')
+
+      doAnimate ?
+        this.$backdrop.one($.support.transition.end, callback) :
+        callback()
+
+    } else if (!this.isShown && this.$backdrop) {
+      this.$backdrop.removeClass('in')
+
+      $.support.transition && this.$element.hasClass('fade')?
+        this.$backdrop.one($.support.transition.end, $.proxy(removeBackdrop, this)) :
+        removeBackdrop.call(this)
+
+    } else if (callback) {
+      callback()
+    }
+  }
+
+  function removeBackdrop() {
+    this.$backdrop.remove()
+    this.$backdrop = null
+  }
+
+  function escape() {
+    var that = this
+    if (this.isShown && this.options.keyboard) {
+      $(document).on('keyup.dismiss.modal', function ( e ) {
+        e.which == 27 && that.hide()
+      })
+    } else if (!this.isShown) {
+      $(document).off('keyup.dismiss.modal')
+    }
+  }
+
+
+ /* MODAL PLUGIN DEFINITION
+  * ======================= */
+
+  $.fn.modal = function ( option ) {
+    return this.each(function () {
+      var $this = $(this)
+        , data = $this.data('modal')
+        , options = typeof option == 'object' && option
+      if (!data) $this.data('modal', (data = new Modal(this, options)))
+      if (typeof option == 'string') data[option]()
+      else data.show()
+    })
+  }
+
+  $.fn.modal.defaults = {
+      backdrop: true
+    , keyboard: true
+  }
+
+  $.fn.modal.Constructor = Modal
+
+
+ /* MODAL DATA-API
+  * ============== */
+
+  $(function () {
+    $('body').on('click.modal.data-api', '[data-toggle="modal"]', function ( e ) {
+      var $this = $(this), href
+        , $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
+        , option = $target.data('modal') ? 'toggle' : $.extend({}, $target.data(), $this.data())
+
+      e.preventDefault()
+      $target.modal(option)
+    })
+  })
+
+}( window.jQuery )

public/javascripts/vendor/bootstrap/bootstrap-transition.js

@@ -0,0 +1,51 @@
+/* ===================================================
+ * bootstrap-transition.js v2.0.0
+ * http://twitter.github.com/bootstrap/javascript.html#transitions
+ * ===================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================================================== */
+
+!function( $ ) {
+
+  $(function () {
+
+    "use strict"
+
+    /* CSS TRANSITION SUPPORT (https://gist.github.com/373874)
+     * ======================================================= */
+
+    $.support.transition = (function () {
+      var thisBody = document.body || document.documentElement
+        , thisStyle = thisBody.style
+        , support = thisStyle.transition !== undefined || thisStyle.WebkitTransition !== undefined || thisStyle.MozTransition !== undefined || thisStyle.MsTransition !== undefined || thisStyle.OTransition !== undefined
+
+      return support && {
+        end: (function () {
+          var transitionEnd = "TransitionEnd"
+          if ( $.browser.webkit ) {
+            transitionEnd = "webkitTransitionEnd"
+          } else if ( $.browser.mozilla ) {
+            transitionEnd = "transitionend"
+          } else if ( $.browser.opera ) {
+            transitionEnd = "oTransitionEnd"
+          }
+          return transitionEnd
+        }())
+      }
+    })()
+
+  })
+  
+}( window.jQuery )