[SPARK-6939][Streaming][WebUI] Add timeline and histogram graphs for streaming statistics

LICENSE

@@ -643,6 +643,36 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 
+========================================================================
+For d3 (core/src/main/resources/org/apache/spark/ui/static/d3.min.js):
+========================================================================
+
+Copyright (c) 2010-2015, Michael Bostock
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* The name Michael Bostock may not be used to endorse or promote products
+  derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL MICHAEL BOSTOCK BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 ========================================================================
 For Scala Interpreter classes (all .scala files in repl/src/main/scala

core/src/main/resources/org/apache/spark/ui/static/bootstrap-tooltip.js

@@ -1,9 +1,9 @@
 /* ===========================================================
- * bootstrap-tooltip.js v2.2.2
- * http://twitter.github.com/bootstrap/javascript.html#tooltips
+ * bootstrap-tooltip.js v2.3.2
+ * http://getbootstrap.com/2.3.2/javascript.html#tooltips
  * Inspired by the original jQuery.tipsy by Jason Frame
  * ===========================================================
- * Copyright 2012 Twitter, Inc.
+ * Copyright 2013 Twitter, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -38,19 +38,27 @@
   , init: function (type, element, options) {
       var eventIn
         , eventOut
+        , triggers
+        , trigger
+        , i
 
       this.type = type
       this.$element = $(element)
       this.options = this.getOptions(options)
       this.enabled = true
 
-      if (this.options.trigger == 'click') {
-        this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
-      } else if (this.options.trigger != 'manual') {
-        eventIn = this.options.trigger == 'hover' ? 'mouseenter' : 'focus'
-        eventOut = this.options.trigger == 'hover' ? 'mouseleave' : 'blur'
-        this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
-        this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
+      triggers = this.options.trigger.split(' ')
+
+      for (i = triggers.length; i--;) {
+        trigger = triggers[i]
+        if (trigger == 'click') {
+          this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
+        } else if (trigger != 'manual') {
+          eventIn = trigger == 'hover' ? 'mouseenter' : 'focus'
+          eventOut = trigger == 'hover' ? 'mouseleave' : 'blur'
+          this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
+          this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
+        }
       }
 
       this.options.selector ?
@@ -59,7 +67,7 @@
     }
 
   , getOptions: function (options) {
-      options = $.extend({}, $.fn[this.type].defaults, options, this.$element.data())
+      options = $.extend({}, $.fn[this.type].defaults, this.$element.data(), options)
 
       if (options.delay && typeof options.delay == 'number') {
         options.delay = {
@@ -72,7 +80,15 @@
     }
 
   , enter: function (e) {
-      var self = $(e.currentTarget)[this.type](this._options).data(this.type)
+      var defaults = $.fn[this.type].defaults
+        , options = {}
+        , self
+
+      this._options && $.each(this._options, function (key, value) {
+        if (defaults[key] != value) options[key] = value
+      }, this)
+
+      self = $(e.currentTarget)[this.type](options).data(this.type)
 
       if (!self.options.delay || !self.options.delay.show) return self.show()
 
@@ -97,14 +113,16 @@
 
   , show: function () {
       var $tip
-        , inside
         , pos
         , actualWidth
         , actualHeight
         , placement
         , tp
+        , e = $.Event('show')
 
       if (this.hasContent() && this.enabled) {
+        this.$element.trigger(e)
+        if (e.isDefaultPrevented()) return
         $tip = this.tip()
         this.setContent()
 
@@ -116,19 +134,18 @@
           this.options.placement.call(this, $tip[0], this.$element[0]) :
           this.options.placement
 
-        inside = /in/.test(placement)
-
         $tip
           .detach()
           .css({ top: 0, left: 0, display: 'block' })
-          .insertAfter(this.$element)
 
-        pos = this.getPosition(inside)
+        this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
+
+        pos = this.getPosition()
 
         actualWidth = $tip[0].offsetWidth
         actualHeight = $tip[0].offsetHeight
 
-        switch (inside ? placement.split(' ')[1] : placement) {
+        switch (placement) {
           case 'bottom':
             tp = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}
             break
@@ -143,11 +160,56 @@
             break
         }
 
-        $tip
-          .offset(tp)
-          .addClass(placement)
-          .addClass('in')
+        this.applyPlacement(tp, placement)
+        this.$element.trigger('shown')
+      }
+    }
+
+  , applyPlacement: function(offset, placement){
+      var $tip = this.tip()
+        , width = $tip[0].offsetWidth
+        , height = $tip[0].offsetHeight
+        , actualWidth
+        , actualHeight
+        , delta
+        , replace
+
+      $tip
+        .offset(offset)
+        .addClass(placement)
+        .addClass('in')
+
+      actualWidth = $tip[0].offsetWidth
+      actualHeight = $tip[0].offsetHeight
+
+      if (placement == 'top' && actualHeight != height) {
+        offset.top = offset.top + height - actualHeight
+        replace = true
+      }
+
+      if (placement == 'bottom' || placement == 'top') {
+        delta = 0
+
+        if (offset.left < 0){
+          delta = offset.left * -2
+          offset.left = 0
+          $tip.offset(offset)
+          actualWidth = $tip[0].offsetWidth
+          actualHeight = $tip[0].offsetHeight
+        }
+
+        this.replaceArrow(delta - width + actualWidth, actualWidth, 'left')
+      } else {
+        this.replaceArrow(actualHeight - height, actualHeight, 'top')
       }
+
+      if (replace) $tip.offset(offset)
+    }
+
+  , replaceArrow: function(delta, dimension, position){
+      this
+        .arrow()
+        .css(position, delta ? (50 * (1 - delta / dimension) + "%") : '')
     }
 
   , setContent: function () {
@@ -161,6 +223,10 @@
   , hide: function () {
       var that = this
         , $tip = this.tip()
+        , e = $.Event('hide')
+
+      this.$element.trigger(e)
+      if (e.isDefaultPrevented()) return
 
       $tip.removeClass('in')
 
@@ -179,6 +245,8 @@
         removeWithAnimation() :
         $tip.detach()
 
+      this.$element.trigger('hidden')
+
       return this
     }
 
@@ -193,11 +261,12 @@
       return this.getTitle()
     }
 
-  , getPosition: function (inside) {
-      return $.extend({}, (inside ? {top: 0, left: 0} : this.$element.offset()), {
-        width: this.$element[0].offsetWidth
-      , height: this.$element[0].offsetHeight
-      })
+  , getPosition: function () {
+      var el = this.$element[0]
+      return $.extend({}, (typeof el.getBoundingClientRect == 'function') ? el.getBoundingClientRect() : {
+        width: el.offsetWidth
+      , height: el.offsetHeight
+      }, this.$element.offset())
     }
 
   , getTitle: function () {
@@ -215,6 +284,10 @@
       return this.$tip = this.$tip || $(this.options.template)
     }
 
+  , arrow: function(){
+      return this.$arrow = this.$arrow || this.tip().find(".tooltip-arrow")
+    }
+
   , validate: function () {
       if (!this.$element[0].parentNode) {
         this.hide()
@@ -236,8 +309,8 @@
     }
 
   , toggle: function (e) {
-      var self = $(e.currentTarget)[this.type](this._options).data(this.type)
-      self[self.tip().hasClass('in') ? 'hide' : 'show']()
+      var self = e ? $(e.currentTarget)[this.type](this._options).data(this.type) : this
+      self.tip().hasClass('in') ? self.hide() : self.show()
     }
 
   , destroy: function () {
@@ -269,10 +342,11 @@
   , placement: 'top'
   , selector: false
   , template: '<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>'
-  , trigger: 'hover'
+  , trigger: 'hover focus'
   , title: ''
   , delay: 0
   , html: false
+  , container: false
   }
 
 
@@ -285,4 +359,3 @@
   }
 
 }(window.jQuery);
-

core/src/main/resources/org/apache/spark/ui/static/streaming-page.css

@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+
+.graph {
+  font: 10px sans-serif;
+}
+
+.axis path, .axis line {
+  fill: none;
+  stroke: gray;
+  shape-rendering: crispEdges;
+}
+
+.axis text {
+  fill: gray;
+}
+
+.tooltip-inner {
+  max-width: 500px !important; // Make sure we only have one line tooltip
+}
+
+.line {
+  fill: none;
+  stroke: #0088cc;
+  stroke-width: 1.5px;
+}
+
+.bar rect {
+  fill: #0088cc;
+  shape-rendering: crispEdges;
+}
+
+.bar rect:hover {
+  fill: #00c2ff;
+}
+
+.timeline {
+  width: 500px;
+}
+
+.histogram {
+  width: auto;
+}