Added chart editor examples

demo_rails/app/assets/javascripts/chart_editor.coffee

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+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

demo_rails/app/assets/stylesheets/chart_editor.scss

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+// Place all the styles related to the ChartEditor controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

demo_rails/app/controllers/chart_editor_controller.rb

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+class ChartEditorController < ApplicationController
+  def chart_editor
+    # set the library, to plot charts
+    Daru::View.plotting_library = :googlecharts
+
+    data = [
+          ['Year', 'Sales', 'Expenses'],
+          ['2013',  1000,      400],
+          ['2014',  1170,      460],
+          ['2015',  660,       1120],
+          ['2016',  1030,      540]
+    ]
+    data_str = 'https://docs.google.com/spreadsheets/d/1aXns2ch8y_rl9ZLxSYZIU5ewUB1ZNAg5O6iPLZLApZI/gviz/tq?header=1&tq='
+    area_chart_options = {
+      type: :area
+    }
+
+    @area_table = Daru::View::Table.new(data, {}, chart_class: 'Charteditor')
+    @area_chart = Daru::View::Plot.new(@area_table.table, area_chart_options, chart_class: 'Charteditor')
+
+    @table = Daru::View::Table.new(data_str, {width: 500}, chart_class: 'Charteditor')
+    @plot = Daru::View::Plot.new(data, {width: 500}, chart_class: 'Charteditor')
+
+    render "chart_editor" , layout: "googlecharts_layout"
+  end
+end

demo_rails/app/helpers/chart_editor_helper.rb

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+module ChartEditorHelper
+end

demo_rails/app/views/chart_editor/chart_editor.erb

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+<h3> Area Chart Table</h3>
+<p>
+  <b>Data : </b>
+  <%=raw @area_table.data %>
+  <br>
+  <b>Options</b>
+  <%=raw @area_table.options %>
+  <br>
+  <b>Table : </b>
+  <br>
+  <%=raw @area_table.div %>
+</p>
+<br>
+
+<h3> Area Chart</h3>
+<p>
+  <b>Data : </b>
+  <%=raw @area_chart.data %>
+  <br>
+  <b>Options</b>
+  <%=raw @area_chart.options %>
+  <br>
+  <b>Chart : </b>
+  <br>
+  <%=raw @area_chart.div %>
+</p>
+<br>
+
+<h3> Table using data as google spreadsheet URL</h3>
+<p>
+  <b>Data : </b>
+  <%=raw @table.data %>
+  <br>
+  <b>Options</b>
+  <%=raw @table.options %>
+  <br>
+  <b>Table : </b>
+  <br>
+  <%=raw @table.div %>
+</p>
+<br>
+
+<h3> Chart using data as google spreadsheet URL</h3>
+<p>
+  <b>Data : </b>
+  <%=raw @plot.data %>
+  <br>
+  <b>Options</b>
+  <%=raw @plot.options %>
+  <br>
+  <b>Chart : </b>
+  <br>
+  <%=raw @plot.div %>
+</p>
+<br>

demo_rails/config/routes.rb

@@ -5,6 +5,7 @@
   get '/googlecharts', to: 'application#googlecharts'
   get '/datatables', to: 'application#datatables'
   get '/chartwrapper', to: 'chart_wrapper#chart_wrapper'
+  get '/charteditor', to: 'chart_editor#chart_editor'
   get '/highchartscss', to: 'highcharts_css#highcharts_css'
   get '/highchartstockmap', to: 'highchart_stock_map#highchart_stock_map'
 end

demo_rails/test/controllers/chart_editor_controller_test.rb

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+require 'test_helper'
+
+class ChartEditorControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end