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[search] Added line chart support

Enrico Berti 11 年之前
父节点
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b45da61

+ 64 - 2
apps/search/src/search/templates/search2.mako

@@ -88,7 +88,8 @@ ${ commonheader(_('Search'), "search", user, "60px") | n,unicode }
     <div class="draggable-widget" data-bind="draggable: draggablePie" title="${_('Pie Chart')}" rel="tooltip" data-placement="top"><a href="#"><i class="hcha hcha-pie-chart"></i></a></div>
     <!-- <div class="draggable-widget" data-bind="draggable: draggableHit" title="${_('Hit Count')}" rel="tooltip" data-placement="top"><a href="#"><i class="fa fa-tachometer"></i></a></div> -->
     <div class="draggable-widget" data-bind="draggable: draggableBar" title="${_('Bar Chart')}" rel="tooltip" data-placement="top"><a href="#"><i class="hcha hcha-bar-chart"></i></a></div>
-    <div class="draggable-widget" data-bind="draggable: draggableHistogram" title="${_('Histogram')}" rel="tooltip" data-placement="top"><a href="#"><i class="fa fa-long-arrow-right"></i></a></div> <!-- hcha hcha-line-chart -->
+    <div class="draggable-widget" data-bind="draggable: draggableHistogram" title="${_('Histogram')}" rel="tooltip" data-placement="top"><a href="#"><i class="fa fa-long-arrow-right"></i></a></div>
+    <div class="draggable-widget" data-bind="draggable: draggableLine" title="${_('Line')}" rel="tooltip" data-placement="top"><a href="#"><i class="hcha hcha-line-chart"></i></a></div>
     <div class="draggable-widget" data-bind="draggable: draggableFilter" title="${_('Filter Bar')}" rel="tooltip" data-placement="top"><a href="#"><i class="fa fa-filter"></i></a></div>
     <div class="draggable-widget" data-bind="draggable: draggableMap" title="${_('Map')}" rel="tooltip" data-placement="top"><a href="#"><i class="hcha hcha-map-chart"></i></a></div>    
   </div>
@@ -428,6 +429,36 @@ ${ commonheader(_('Search'), "search", user, "60px") | n,unicode }
   <!-- /ko -->
 </script>
 
+<script type="text/html" id="line-widget">
+  <!-- ko ifnot: $root.getFacetFromQuery(id) -->
+    <a data-bind="click: showAddFacetDemiModal" class="btn" href="javascript:void(0)"><i class="fa fa-plus"></i></a>
+  <!-- /ko -->
+
+  <div class="widget-spinner" data-bind="visible: isLoading()">
+    <!--[if !IE]> --><i class="fa fa-spinner fa-spin"></i><!-- <![endif]-->
+    <!--[if IE]><img src="/static/art/spinner.gif" /><![endif]-->
+  </div>
+
+  <!-- ko if: $root.getFacetFromQuery(id) -->
+  <div class="row-fluid" data-bind="with: $root.getFacetFromQuery(id)">
+    <div data-bind="visible: $root.isEditing, with: $root.collection.getFacetById($parent.id())" style="margin-bottom: 20px">
+      ${ _('Label') }: <input type="text" data-bind="value: label" />
+      <br/>
+      ${ _('Start') }: <input type="text" data-bind="value: properties.start" />
+      ${ _('End') }: <input type="text" data-bind="value: properties.end" />
+      ${ _('Gap') }: <input type="text" data-bind="value: properties.gap" />
+    </div>
+
+    <div data-bind="lineChart: {datum: {counts: counts, widget_id: $parent.id(), label: label}, field: field, label: label,
+      transformer: lineChartDataTransformer,
+      onClick: function(d){ viewModel.query.selectRangeFacet({count: d.obj.value, widget_id: d.obj.widget_id, from: d.obj.from, to: d.obj.to, cat: d.obj.field}) },
+      onComplete: function(){ viewModel.getWidgetById(id).isLoading(false) } }"
+    />
+  </div>
+  <!-- /ko -->
+</script>
+
+
 <script type="text/html" id="pie-widget">
   <!-- ko ifnot: $root.getFacetFromQuery(id) -->
     <a data-bind="click: showAddFacetDemiModal" class="btn" href="javascript:void(0)"><i class="fa fa-plus"></i></a>
@@ -523,7 +554,8 @@ ${ commonheader(_('Search'), "search", user, "60px") | n,unicode }
 <script src="/static/ext/js/nv.d3.min.js" type="text/javascript" charset="utf-8"></script>
 <link href="/static/ext/css/nv.d3.min.css" rel="stylesheet">
 
-<script src="/search/static/js/nv.d3.multiBarWithFocusChart.js" type="text/javascript" charset="utf-8"></script>
+<script src="/search/static/js/nv.d3.multiBarWithBrushChart.js" type="text/javascript" charset="utf-8"></script>
+<script src="/search/static/js/nv.d3.lineWithBrushChart.js" type="text/javascript" charset="utf-8"></script>
 <script src="/search/static/js/nv.d3.growingPie.js" type="text/javascript" charset="utf-8"></script>
 <script src="/search/static/js/nv.d3.growingPieChart.js" type="text/javascript" charset="utf-8"></script>
 <script src="/search/static/js/charts.ko.js" type="text/javascript" charset="utf-8"></script>
@@ -804,6 +836,36 @@ function barChartDataTransformer(rawDatum) {
   return _datum;
 }
 
+function lineChartDataTransformer(rawDatum) {
+  var _datum = [];
+  var _data = [];
+  $(rawDatum.counts).each(function (cnt, item) {
+    item.widget_id = rawDatum.widget_id;
+    if (typeof item.from != "undefined"){
+      _data.push({
+        series: 0,
+        x: item.from,
+        x_end: item.to,
+        y: item.value,
+        obj: item
+      });
+    }
+    else {
+      _data.push({
+        series: 0,
+        x: item.value,
+        y: item.count,
+        obj: item
+      });
+    }
+  });
+  _datum.push({
+    key: rawDatum.label,
+    values: _data
+  });
+  return _datum;
+}
+
 function timelineChartDataTransformer(rawDatum) {
   var _datum = [];
   var _data = [];

+ 47 - 1
apps/search/static/js/charts.ko.js

@@ -80,6 +80,52 @@ ko.bindingHandlers.timelineChart = {
   }
 };
 
+ko.bindingHandlers.lineChart = {
+  init: function (element, valueAccessor) {
+    lineChart(element, valueAccessor());
+  },
+  update: function (element, valueAccessor) {
+    var value = valueAccessor();
+    // do something with the updated value
+  }
+};
+
+function lineChart(element, options) {
+  var _datum = options.transformer(options.datum);
+  $(element).height(300);
+
+  nv.addGraph(function () {
+    var _chart = nv.models.lineWithBrushChart();
+    _chart.enableSelection();
+    _chart.onSelectRange(options.onSelectRange);
+    _chart.xAxis
+        .showMaxMin(true)
+        .tickFormat(d3.format(',0f'));
+    _chart.margin({bottom: 100})
+        .transitionDuration(300);
+
+    _chart.yAxis
+        .tickFormat(d3.format(',0f'));
+
+    var _d3 = ($(element).find('svg').length > 0) ? d3.select($(element).find('svg')[0]) : d3.select($(element)[0]).append('svg');
+    _d3.datum(_datum)
+        .transition().duration(350)
+        .each("end", options.onComplete)
+        .call(_chart);
+
+    nv.utils.windowResize(_chart.update);
+
+    return _chart;
+  }, function () {
+    d3.selectAll(".nv-bar").on('click',
+        function (d, i) {
+          options.onClick(d);
+        });
+  });
+
+}
+
+
 function barChart(element, options, isTimeline) {
   var _datum = options.transformer(options.datum);
   $(element).height(300);
@@ -87,7 +133,7 @@ function barChart(element, options, isTimeline) {
   nv.addGraph(function () {
     var _chart;
     if (isTimeline) {
-      _chart = nv.models.multiBarWithFocusChart();
+      _chart = nv.models.multiBarWithBrushChart();
       _chart.enableSelection();
       _chart.onSelectRange(options.onSelectRange);
       _chart.xAxis

+ 560 - 0
apps/search/static/js/nv.d3.lineWithBrushChart.js

@@ -0,0 +1,560 @@
+// Licensed to Cloudera, Inc. under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  Cloudera, Inc. 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.
+
+
+nv.models.lineWithBrushChart = function() {
+  "use strict";
+  //============================================================
+  // Public Variables with Default Settings
+  //------------------------------------------------------------
+
+  var lines = nv.models.line()
+    , xAxis = nv.models.axis()
+    , yAxis = nv.models.axis()
+    , legend = nv.models.legend()
+    , interactiveLayer = nv.interactiveGuideline()
+    , brush = d3.svg.brush()
+    ;
+
+  var margin = {top: 30, right: 20, bottom: 50, left: 60}
+    , color = nv.utils.defaultColor()
+    , width = null
+    , height = null
+    , showLegend = true
+    , showXAxis = true
+    , showYAxis = true
+    , rightAlignYAxis = false
+    , useInteractiveGuideline = false
+    , tooltips = true
+    , tooltip = function(key, x, y, e, graph) {
+        return '<h3>' + key + '</h3>' +
+               '<p>' +  y + ' at ' + x + '</p>'
+      }
+    , x
+    , y
+    , state = {}
+    , defaultState = null
+    , noData = 'No Data Available.'
+    , dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState', 'brush')
+    , transitionDuration = 250
+    , extent
+    , brushExtent = null
+    , selectionEnabled = false
+    , onSelectRange = null
+    ;
+
+  xAxis
+    .orient('bottom')
+    .tickPadding(7)
+    ;
+  yAxis
+    .orient((rightAlignYAxis) ? 'right' : 'left')
+    ;
+
+  //============================================================
+
+
+  //============================================================
+  // Private Variables
+  //------------------------------------------------------------
+
+  var showTooltip = function(e, offsetElement) {
+    var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
+        top = e.pos[1] + ( offsetElement.offsetTop || 0),
+        x = xAxis.tickFormat()(lines.x()(e.point, e.pointIndex)),
+        y = yAxis.tickFormat()(lines.y()(e.point, e.pointIndex)),
+        content = tooltip(e.series.key, x, y, e, chart);
+
+    nv.tooltip.show([left, top], content, null, null, offsetElement);
+  };
+
+  //============================================================
+
+
+  function chart(selection) {
+    selection.each(function(data) {
+      var container = d3.select(this),
+          that = this;
+
+      var availableWidth = (width  || parseInt(container.style('width')) || 960)
+                             - margin.left - margin.right,
+          availableHeight = (height || parseInt(container.style('height')) || 400)
+                             - margin.top - margin.bottom;
+
+
+      chart.update = function() { container.transition().duration(transitionDuration).call(chart) };
+      chart.container = this;
+
+      //set state.disabled
+      state.disabled = data.map(function(d) { return !!d.disabled });
+
+
+      if (!defaultState) {
+        var key;
+        defaultState = {};
+        for (key in state) {
+          if (state[key] instanceof Array)
+            defaultState[key] = state[key].slice(0);
+          else
+            defaultState[key] = state[key];
+        }
+      }
+
+      //------------------------------------------------------------
+      // Display noData message if there's nothing to show.
+
+      if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
+        var noDataText = container.selectAll('.nv-noData').data([noData]);
+
+        noDataText.enter().append('text')
+          .attr('class', 'nvd3 nv-noData')
+          .attr('dy', '-.7em')
+          .style('text-anchor', 'middle');
+
+        noDataText
+          .attr('x', margin.left + availableWidth / 2)
+          .attr('y', margin.top + availableHeight / 2)
+          .text(function(d) { return d });
+
+        return chart;
+      } else {
+        container.selectAll('.nv-noData').remove();
+      }
+
+      //------------------------------------------------------------
+
+
+      //------------------------------------------------------------
+      // Setup Scales
+
+      x = lines.xScale();
+      y = lines.yScale();
+
+      //------------------------------------------------------------
+
+
+      //------------------------------------------------------------
+      // Setup containers and skeleton of chart
+
+      var wrap = container.selectAll('g.nv-wrap.nv-lineChart').data([data]);
+      var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-lineChart').append('g');
+      var g = wrap.select('g');
+
+      gEnter.append("rect").style("opacity",0);
+      gEnter.append('g').attr('class', 'nv-x nv-axis');
+      gEnter.append('g').attr('class', 'nv-y nv-axis');
+      gEnter.append('g').attr('class', 'nv-linesWrap');
+      gEnter.append('g').attr('class', 'nv-legendWrap');
+      gEnter.append('g').attr('class', 'nv-interactive');
+      if (selectionEnabled){
+        gEnter.append('g').attr('class', 'nv-brushBackground');
+        gEnter.append('g').attr('class', 'nv-x nv-brush');
+      }
+
+      g.select("rect")
+        .attr("width",availableWidth)
+        .attr("height",(availableHeight > 0) ? availableHeight : 0);
+      //------------------------------------------------------------
+      // Legend
+
+      if (showLegend) {
+        legend.width(availableWidth);
+
+        g.select('.nv-legendWrap')
+            .datum(data)
+            .call(legend);
+
+        if ( margin.top != legend.height()) {
+          margin.top = legend.height();
+          availableHeight = (height || parseInt(container.style('height')) || 400)
+                             - margin.top - margin.bottom;
+        }
+
+        wrap.select('.nv-legendWrap')
+            .attr('transform', 'translate(0,' + (-margin.top) +')')
+      }
+
+      //------------------------------------------------------------
+
+      wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
+
+      if (rightAlignYAxis) {
+          g.select(".nv-y.nv-axis")
+              .attr("transform", "translate(" + availableWidth + ",0)");
+      }
+
+      //------------------------------------------------------------
+      // Main Chart Component(s)
+
+
+      //------------------------------------------------------------
+      //Set up interactive layer
+      if (useInteractiveGuideline) {
+        interactiveLayer
+           .width(availableWidth)
+           .height(availableHeight)
+           .margin({left:margin.left, top:margin.top})
+           .svgContainer(container)
+           .xScale(x);
+        wrap.select(".nv-interactive").call(interactiveLayer);
+      }
+
+
+      lines
+        .width(availableWidth)
+        .height(availableHeight)
+        .color(data.map(function(d,i) {
+          return d.color || color(d, i);
+        }).filter(function(d,i) { return !data[i].disabled }));
+
+
+      var linesWrap = g.select('.nv-linesWrap')
+          .datum(data.filter(function(d) { return !d.disabled }))
+
+      linesWrap.transition().call(lines);
+
+      //------------------------------------------------------------
+
+      //------------------------------------------------------------
+      // Setup Brush
+      if (selectionEnabled){
+        brush
+          .x(x)
+          .on('brush', onBrush)
+          .on('brushend', onBrushEnd)
+
+        if (brushExtent) brush.extent(brushExtent);
+        var brushBG = g.select('.nv-brushBackground').selectAll('g')
+            .data([brushExtent || brush.extent()])
+        var brushBGenter = brushBG.enter()
+            .append('g');
+
+        brushBGenter.append('rect')
+            .attr('class', 'left')
+            .attr('x', 0)
+            .attr('y', 0)
+            .attr('height', availableHeight);
+
+        brushBGenter.append('rect')
+            .attr('class', 'right')
+            .attr('x', 0)
+            .attr('y', 0)
+            .attr('height', availableHeight);
+
+        var gBrush = g.select('.nv-x.nv-brush')
+            .call(brush);
+        gBrush.selectAll('rect')
+            .attr('height', availableHeight);
+      }
+
+
+      //------------------------------------------------------------
+      // Setup Axes
+
+      if (showXAxis) {
+        xAxis
+          .scale(x)
+          .ticks( availableWidth / 100 )
+          .tickSize(-availableHeight, 0);
+
+        g.select('.nv-x.nv-axis')
+            .attr('transform', 'translate(0,' + y.range()[0] + ')');
+        g.select('.nv-x.nv-axis')
+            .transition()
+            .call(xAxis);
+      }
+
+      if (showYAxis) {
+        yAxis
+          .scale(y)
+          .ticks( availableHeight / 36 )
+          .tickSize( -availableWidth, 0);
+
+        g.select('.nv-y.nv-axis')
+            .transition()
+            .call(yAxis);
+      }
+      //------------------------------------------------------------
+
+
+      //============================================================
+      // Event Handling/Dispatching (in chart's scope)
+      //------------------------------------------------------------
+
+      legend.dispatch.on('stateChange', function(newState) {
+          state = newState;
+          dispatch.stateChange(state);
+          chart.update();
+      });
+
+      interactiveLayer.dispatch.on('elementMousemove', function(e) {
+          lines.clearHighlights();
+          var singlePoint, pointIndex, pointXLocation, allData = [];
+          data
+          .filter(function(series, i) {
+            series.seriesIndex = i;
+            return !series.disabled;
+          })
+          .forEach(function(series,i) {
+              pointIndex = nv.interactiveBisect(series.values, e.pointXValue, chart.x());
+              lines.highlightPoint(i, pointIndex, true);
+              var point = series.values[pointIndex];
+              if (typeof point === 'undefined') return;
+              if (typeof singlePoint === 'undefined') singlePoint = point;
+              if (typeof pointXLocation === 'undefined') pointXLocation = chart.xScale()(chart.x()(point,pointIndex));
+              allData.push({
+                  key: series.key,
+                  value: chart.y()(point, pointIndex),
+                  color: color(series,series.seriesIndex)
+              });
+          });
+          //Highlight the tooltip entry based on which point the mouse is closest to.
+          if (allData.length > 2) {
+            var yValue = chart.yScale().invert(e.mouseY);
+            var domainExtent = Math.abs(chart.yScale().domain()[0] - chart.yScale().domain()[1]);
+            var threshold = 0.03 * domainExtent;
+            var indexToHighlight = nv.nearestValueIndex(allData.map(function(d){return d.value}),yValue,threshold);
+            if (indexToHighlight !== null)
+              allData[indexToHighlight].highlight = true;
+          }
+
+          var xValue = xAxis.tickFormat()(chart.x()(singlePoint,pointIndex));
+          interactiveLayer.tooltip
+                  .position({left: pointXLocation + margin.left, top: e.mouseY + margin.top})
+                  .chartContainer(that.parentNode)
+                  .enabled(tooltips)
+                  .valueFormatter(function(d,i) {
+                     return yAxis.tickFormat()(d);
+                  })
+                  .data(
+                      {
+                        value: xValue,
+                        series: allData
+                      }
+                  )();
+
+          interactiveLayer.renderGuideLine(pointXLocation);
+
+      });
+
+      interactiveLayer.dispatch.on("elementMouseout",function(e) {
+          dispatch.tooltipHide();
+          lines.clearHighlights();
+      });
+
+      dispatch.on('tooltipShow', function(e) {
+        if (tooltips) showTooltip(e, that.parentNode);
+      });
+
+
+      dispatch.on('changeState', function(e) {
+
+        if (typeof e.disabled !== 'undefined' && data.length === e.disabled.length) {
+          data.forEach(function(series,i) {
+            series.disabled = e.disabled[i];
+          });
+
+          state.disabled = e.disabled;
+        }
+
+        chart.update();
+      });
+
+      //============================================================
+
+      function onBrush(){
+        brushExtent = brush.empty() ? null : brush.extent();
+        extent = brush.empty() ? x.domain() : brush.extent();
+
+        dispatch.brush({extent: extent, brush: brush});
+      }
+
+      function onBrushEnd(){
+        brushExtent = brush.empty() ? null : brush.extent();
+        extent = brush.empty() ? x.domain() : brush.extent();
+
+        if (onSelectRange != null){
+          var _leftEdges = x.range();
+          var _width = x.rangeBand();
+          var _j;
+          for(_j=0; extent[0] > (_leftEdges[_j] + _width); _j++) {}
+          var _from = typeof x.domain()[_j] != "undefined" ? x.domain()[_j] : x.domain()[0];
+
+          for(_j=0; extent[1] > (_leftEdges[_j] + _width); _j++) {}
+          var _to = typeof x.domain()[_j] != "undefined" ? x.domain()[_j] : x.domain()[x.domain().length-1];
+
+          onSelectRange(_from, _to);
+        }
+      }
+
+    });
+
+    return chart;
+  }
+
+
+  //============================================================
+  // Event Handling/Dispatching (out of chart's scope)
+  //------------------------------------------------------------
+
+  lines.dispatch.on('elementMouseover.tooltip', function(e) {
+    e.pos = [e.pos[0] +  margin.left, e.pos[1] + margin.top];
+    dispatch.tooltipShow(e);
+  });
+
+  lines.dispatch.on('elementMouseout.tooltip', function(e) {
+    dispatch.tooltipHide(e);
+  });
+
+  dispatch.on('tooltipHide', function() {
+    if (tooltips) nv.tooltip.cleanup();
+  });
+
+  //============================================================
+
+
+  //============================================================
+  // Expose Public Variables
+  //------------------------------------------------------------
+
+  // expose chart's sub-components
+  chart.dispatch = dispatch;
+  chart.lines = lines;
+  chart.legend = legend;
+  chart.xAxis = xAxis;
+  chart.yAxis = yAxis;
+  chart.interactiveLayer = interactiveLayer;
+
+  d3.rebind(chart, lines, 'defined', 'isArea', 'x', 'y', 'size', 'xScale', 'yScale', 'xDomain', 'yDomain', 'xRange', 'yRange'
+    , 'forceX', 'forceY', 'interactive', 'clipEdge', 'clipVoronoi', 'useVoronoi','id', 'interpolate');
+
+  chart.options = nv.utils.optionsFunc.bind(chart);
+
+  chart.margin = function(_) {
+    if (!arguments.length) return margin;
+    margin.top    = typeof _.top    != 'undefined' ? _.top    : margin.top;
+    margin.right  = typeof _.right  != 'undefined' ? _.right  : margin.right;
+    margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
+    margin.left   = typeof _.left   != 'undefined' ? _.left   : margin.left;
+    return chart;
+  };
+
+  chart.width = function(_) {
+    if (!arguments.length) return width;
+    width = _;
+    return chart;
+  };
+
+  chart.height = function(_) {
+    if (!arguments.length) return height;
+    height = _;
+    return chart;
+  };
+
+  chart.color = function(_) {
+    if (!arguments.length) return color;
+    color = nv.utils.getColor(_);
+    legend.color(color);
+    return chart;
+  };
+
+  chart.showLegend = function(_) {
+    if (!arguments.length) return showLegend;
+    showLegend = _;
+    return chart;
+  };
+
+  chart.showXAxis = function(_) {
+    if (!arguments.length) return showXAxis;
+    showXAxis = _;
+    return chart;
+  };
+
+  chart.showYAxis = function(_) {
+    if (!arguments.length) return showYAxis;
+    showYAxis = _;
+    return chart;
+  };
+
+  chart.rightAlignYAxis = function(_) {
+    if(!arguments.length) return rightAlignYAxis;
+    rightAlignYAxis = _;
+    yAxis.orient( (_) ? 'right' : 'left');
+    return chart;
+  };
+
+  chart.useInteractiveGuideline = function(_) {
+    if(!arguments.length) return useInteractiveGuideline;
+    useInteractiveGuideline = _;
+    if (_ === true) {
+       chart.interactive(false);
+       chart.useVoronoi(false);
+    }
+    return chart;
+  };
+
+  chart.tooltips = function(_) {
+    if (!arguments.length) return tooltips;
+    tooltips = _;
+    return chart;
+  };
+
+  chart.tooltipContent = function(_) {
+    if (!arguments.length) return tooltip;
+    tooltip = _;
+    return chart;
+  };
+
+  chart.state = function(_) {
+    if (!arguments.length) return state;
+    state = _;
+    return chart;
+  };
+
+  chart.defaultState = function(_) {
+    if (!arguments.length) return defaultState;
+    defaultState = _;
+    return chart;
+  };
+
+  chart.noData = function(_) {
+    if (!arguments.length) return noData;
+    noData = _;
+    return chart;
+  };
+
+  chart.transitionDuration = function(_) {
+    if (!arguments.length) return transitionDuration;
+    transitionDuration = _;
+    return chart;
+  };
+
+  chart.enableSelection = function() {
+    selectionEnabled = true;
+    return chart;
+  };
+
+  chart.onSelectRange = function(_) {
+    if (!arguments.length) return onSelectRange;
+    onSelectRange = _;
+    return chart;
+  };
+
+  //============================================================
+
+
+  return chart;
+}

+ 1 - 1
apps/search/static/js/nv.d3.multiBarWithFocusChart.js → apps/search/static/js/nv.d3.multiBarWithBrushChart.js

@@ -15,7 +15,7 @@
 // limitations under the License.
 
 
-nv.models.multiBarWithFocusChart = function() {
+nv.models.multiBarWithBrushChart = function() {
   "use strict";
   //============================================================
   // Public Variables with Default Settings