Merge pull request #96 from mistercrunch/filter_box

Adding a filter box widget

README.md

@@ -16,7 +16,7 @@ It empowers its user to perform **analytics at the speed of thought**.
 
 Panoramix provides:
 * A quick way to intuitively visualize datasets
-* Create and share simple dashboards
+* Create and share interactive dashboards
 * A rich set of visualizations to analyze your data, as well as a flexible
     way to extend the capabilities
 * An extensible, high granularity security model allowing intricate rules

TODO.md

@@ -2,6 +2,7 @@
 List of TODO items for Panoramix
 
 ## Improvments
+* Read dashboard filter from URL
 * Table description is markdown
 * Animated scatter plots
 * Filter widget

panoramix/models.py

@@ -251,6 +251,10 @@ class SqlaTable(Model, Queryable, AuditMixinNullable):
     def __repr__(self):
         return self.table_name
 
+    @property
+    def description_markeddown(self):
+        return utils.markdown(self.description)
+
     @property
     def perm(self):
         return (

panoramix/static/panoramix.css

@@ -2,6 +2,15 @@ html>body{
     margin: 0px; !important
 }
 
+.padded{
+    padding: 10px;
+}
+
+.intable-longtext{
+    max-height: 200px;
+    overflow: auto;
+}
+
 .slice_container {
     height: 100%;
 }

panoramix/static/panoramix.js

@@ -68,7 +68,6 @@ var px = (function() {
         $('#timer').removeClass('btn-danger btn-success');
         $('#timer').addClass('btn-warning');
         viz.render();
-        console.log(slice);
         $('#json').click(function(){window.location=slice.jsonEndpoint()});
         $('#standalone').click(function(){window.location=slice.data.standalone_endpoint});
         $('#csv').click(function(){window.location=slice.data.csv_endpoint});
@@ -99,9 +98,14 @@ var px = (function() {
       slices: [],
       filters: {},
       id: id,
-      addFilter: function(slice_id, field, values) {
-        this.filters[slice_id] = [field, values];
+      addFilter: function(slice_id, filters) {
+        this.filters[slice_id] = filters;
         this.refreshExcept(slice_id);
+        console.log(this.filters);
+      },
+      readFilters: function() {
+        // Returns a list of human readable active filters
+        return JSON.stringify(this.filters, null, 4);
       },
       refreshExcept: function(slice_id) {
         this.slices.forEach(function(slice){
@@ -197,6 +201,7 @@ var px = (function() {
 
     function druidify(){
       prepForm();
+      $('div.alert').remove();
       slice.render();
     }
 

panoramix/static/widgets/viz_filter_box.css

@@ -0,0 +1,4 @@
+.select2-highlighted>.filter_box {
+    background-color: transparent;
+    border: 1px dashed black;
+}

panoramix/static/widgets/viz_filter_box.js

@@ -0,0 +1,76 @@
+px.registerViz('filter_box', function(slice) {
+  var slice = slice;
+  var filtersObj = {};
+  d3token = d3.select(slice.selector);
+
+  var fltChanged = function() {
+    filters = []
+    for(flt in filtersObj) {
+      obj = filtersObj[flt];
+      val = obj.val()
+      if(val !== ''){
+        filters.push([flt, val.split(',')]);
+      }
+    }
+    slice.addFilter(filters);
+  }
+
+  var refresh = function() {
+      d3token.selectAll("*").remove();
+      var container = d3token
+        .append('div')
+        .classed('padded', true);
+      $.getJSON(slice.jsonEndpoint(), function(payload) {
+        var maxes = {};
+        for (filter in payload.data){
+          var data = payload.data[filter];
+          maxes[filter] = d3.max(data, function(d){return d.metric});
+          var id = 'fltbox__' + filter;
+
+          var div = container.append('div');
+          div.append("label").text(filter);
+          var sel = div
+            .append('div')
+            .attr('name', filter)
+            .classed('form-control', true)
+            .attr('multiple', '')
+            .attr('id', id);
+
+          filtersObj[filter] = $('#' + id).select2({
+            placeholder: "Select [" + filter + ']',
+            containment: 'parent',
+            dropdownAutoWidth : true,
+            data:data,
+            multiple: true,
+            formatResult: function(result, container, query, escapeMarkup) {
+                var perc = Math.round((result.metric / maxes[result.filter]) * 100);
+                var style = 'padding: 2px 5px;';
+                style += "background-image: ";
+                style += "linear-gradient(to right, lightgrey, lightgrey " + perc + "%, rgba(0,0,0,0) " + perc + "%";
+
+                $(container).attr('style', 'padding: 0px; background: white;');
+                $(container).addClass('filter_box');
+                return '<div style="' + style + '"><span>' + result.text + '</span></div>';
+            },
+          })
+          .on('change', fltChanged);
+          /*
+           .style('background-image', function(d){
+              if (d.isMetric){
+                var perc = Math.round((d.val / maxes[d.col]) * 100);
+                return "linear-gradient(to right, lightgrey, lightgrey " + perc + "%, rgba(0,0,0,0) " + perc + "%";
+              }
+           })
+          */
+        }
+        slice.done();
+      })
+      .fail(function(xhr) {
+          slice.error(xhr.responseText);
+        });
+      };
+  return {
+    render: refresh,
+    resize: refresh,
+  };
+});

panoramix/static/widgets/viz_table.js

@@ -55,7 +55,7 @@ px.registerViz('table', function(slice) {
             } else {
               table.selectAll('.filtered').classed('filtered', false);
               d3.select(this).classed('filtered', true);
-              slice.addFilter(d.col, [d.val]);
+              slice.addFilter([[d.col, [d.val]]]);
             }
           }
        })

panoramix/templates/panoramix/dashboard.html

@@ -54,6 +54,9 @@ <h2>
       </div>
       <div class="col-md-2">
         <div class="btn-group pull-right" role="group" >
+          <button type="button" id="filters" class="btn btn-default" data-toggle="tooltip" title="View the list of active filters">
+            <i class="fa fa-filter"></i>
+          </button>
           <button type="button" id="css" class="btn btn-default" data-toggle="modal" data-target="#css_modal">
             <i class="fa fa-code"></i>
           </button>
@@ -88,6 +91,7 @@ <h2>
                       <nobr class="icons">
                         <a><i class="fa fa-arrows drag"></i></a>
                         <a class="refresh"><i class="fa fa-refresh"></i></a>
+                        <a class="bug" data-slice_id="{{ slice.id }}" data-toggle="tooltip" title="console.log(this.slice);"><i class="fa fa-bug"></i></a>
                       </nobr>
                     </td>
                     <td>
@@ -124,6 +128,12 @@ <h2>
       $(document).ready(function() {
         px.initDashboardView();
         var dashboard = px.Dashboard({{ dashboard.id }});
+        $('#filters').click( function(){
+          alert(dashboard.readFilters());
+        });
+        $('a.bug').click( function(){
+          console.log(dashboard.getSlice($(this).data('slice_id')));
+        });
       });
     </script>
 {% endblock %}

panoramix/templates/panoramix/explore.html

@@ -182,10 +182,10 @@ <h4 class="modal-title">Query</h4>
             <button type="button" class="close" data-dismiss="modal" aria-label="Close">
               <span aria-hidden="true">&times;</span>
             </button>
-            <h4 class="modal-title">Query</h4>
+            <h4 class="modal-title">Datasource Description</h4>
           </div>
           <div class="modal-body">
-            <pre id="query_container">{{ datasource.description }}</pre>
+            {{ datasource.description_markeddown | safe }}
           </div>
           <div class="modal-footer">
             <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>

panoramix/templates/panoramix/featured_datasets.html

@@ -4,7 +4,7 @@
   <h1><i class='fa fa-star'></i> Featured Datasets </h1>
 </div>
 <hr/>
-<table class="table table-hover dataTable" id="dataset-table" style="display:None">
+<table class="table table-hover dataTable table-bordered" id="dataset-table" style="display:None">
     <thead>
         <tr>
             <th>Table</th>
@@ -16,9 +16,11 @@ <h1><i class='fa fa-star'></i> Featured Datasets </h1>
     <tbody>
     {% for dataset in featured_datasets %}
         <tr>
-            <td>
+            <td> 
+              <div class="intable-longtext">
                 <h4>{{ dataset.table_name }}</h4>
-                <p>{{ dataset.description }}</p>
+                <p>{{ utils.markdown(dataset.description) | safe }}</p>
+              </div>
             </td>
             <td class="small_table">{{ dataset.database }}</td>
             <td class="small_table">{{ dataset.owner }}</td>

panoramix/utils.py

@@ -1,11 +1,14 @@
 from datetime import datetime
-from dateutil.parser import parse
+import functools
 import hashlib
-from sqlalchemy.types import TypeDecorator, TEXT
 import json
+
+from dateutil.parser import parse
+from sqlalchemy.types import TypeDecorator, TEXT
 from flask import g, request, Markup
+from markdown import markdown as md
 import parsedatetime
-import functools
+
 from panoramix import db
 
 
@@ -222,3 +225,7 @@ def json_iso_dttm_ser(obj):
     if isinstance(obj, datetime):
         obj = obj.isoformat()
     return obj
+
+
+def markdown(s):
+    return md(s, ['markdown.extensions.tables'])

panoramix/views.py

@@ -4,7 +4,7 @@
 import re
 import traceback
 
-from flask import request, redirect, flash, Response, render_template
+from flask import request, redirect, flash, Response, render_template, Markup
 from flask.ext.appbuilder import ModelView, CompactCRUDMixin, BaseView, expose
 from flask.ext.appbuilder.actions import action
 from flask.ext.appbuilder.models.sqla.interface import SQLAInterface
@@ -153,7 +153,8 @@ class TableView(PanoramixModelView, DeleteMixin):
     related_views = [TableColumnInlineView, SqlMetricInlineView]
     base_order = ('changed_on','desc')
     description_columns = {
-        'offset': "Timezone offset (in hours) for this datasource"
+        'offset': "Timezone offset (in hours) for this datasource",
+        'description': Markup("Supports <a href='https://daringfireball.net/projects/markdown/'>markdown</a>"),
     }
 
     def post_add(self, table):
@@ -281,7 +282,8 @@ class DatasourceModelView(PanoramixModelView, DeleteMixin):
     page_size = 100
     base_order = ('datasource_name', 'asc')
     description_columns = {
-        'offset': "Timezone offset (in hours) for this datasource"
+        'offset': "Timezone offset (in hours) for this datasource",
+        'description': Markup("Supports <a href='https://daringfireball.net/projects/markdown/'>markdown</a>"),
     }
 
     def post_add(self, datasource):
@@ -564,7 +566,8 @@ def featured_datasets(self):
         featured_datasets = datasets_sqla + datasets_druid
         return self.render_template(
             'panoramix/featured_datasets.html',
-            featured_datasets=featured_datasets)
+            featured_datasets=featured_datasets,
+            utils=utils)
 
 appbuilder.add_view_no_menu(Panoramix)
 appbuilder.add_link(

panoramix/viz.py

@@ -161,8 +161,11 @@ def query_filters(self):
         extra_filters = form_data.get('extra_filters', [])
         if extra_filters:
             extra_filters = json.loads(extra_filters)
-            for slice_id, (col, vals) in extra_filters.items():
-                filters += [(col, 'in', ",".join(vals))]
+            for slice_id, slice_filters in extra_filters.items():
+                if slice_filters:
+                    for col, vals in slice_filters:
+                        if col and vals:
+                            filters += [(col, 'in', ",".join(vals))]
 
         return filters
 
@@ -1105,6 +1108,61 @@ def get_json_data(self):
         return dumps(d)
 
 
+class FilterBoxViz(BaseViz):
+    viz_type = "filter_box"
+    verbose_name = "Filters"
+    is_timeseries = False
+    js_files = [
+        'lib/d3.min.js',
+        'widgets/viz_filter_box.js']
+    css_files = [
+        'widgets/viz_filter_box.css']
+    fieldsets = (
+    {
+        'label': None,
+        'fields': (
+            'granularity',
+            ('since', 'until'),
+            'groupby',
+            'metric',
+        )
+    },)
+    form_overrides = {
+        'groupby': {
+            'label': 'Filter fields',
+            'description': "The fields you want to filter on",
+        },
+    }
+    def query_obj(self):
+        qry = super(FilterBoxViz, self).query_obj()
+        groupby = self.form_data['groupby']
+        if len(groupby) < 1:
+            raise Exception("Pick at least one filter field")
+        qry['metrics'] = [
+            self.form_data['metric']]
+        return qry
+
+    def get_df(self):
+        qry = self.query_obj()
+
+        filters = [g for g in qry['groupby']]
+        d = {}
+        for flt in filters:
+            qry['groupby'] = [flt]
+            df = super(FilterBoxViz, self).get_df(qry)
+            d[flt] = [
+                {'id': row[0],
+                'text': row[0],
+                'filter': flt,
+                'metric': row[1]}
+                for row in df.itertuples(index=False)]
+        return d
+
+    def get_json_data(self):
+        d = self.get_df()
+        return dumps(d)
+
+
 viz_types_list = [
     TableViz,
     PivotTableViz,
@@ -1122,6 +1180,7 @@ def get_json_data(self):
     DirectedForceViz,
     SankeyViz,
     WorldMapViz,
+    FilterBoxViz,
 ]
 # This dict is used to
 viz_types = OrderedDict([(v.viz_type, v) for v in viz_types_list])