webapps/proteus-new/src/main/webapp/resources/src/components/piechart.vue

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<template lang="html">

  <section class="piechart">
    <v-card id="piecard">
    <v-toolbar height="50" color="primary" dark>
      <v-toolbar-title>Mime Type Breakdown</v-toolbar-title>
      <v-spacer></v-spacer>
    </v-toolbar>
    <svg id="piesvg" width="400" height="300"></svg>
    <svg id="pielegend"/>
    </v-card>
  </section>

</template>

<script lang="js">
import * as d3 from 'd3';
import axios from 'axios';
import store from './../store/store';
  export default  {
    name: 'piechart',
    store,
    props: [],
    mounted() {
        this.timerClearVar = setInterval(function () {
          if(this.currentState=="INDEX")this.loadData();
        }.bind(this), 1000);
    },
    beforeDestroy(){
      clearInterval(this.timerClearVar);
    },
    data() {
      return {
          data:[]
      }
    },
    methods: {
      translateLegend(d,i){
          var x = 0;
          var y = 0;
          var legend = d3.select("#piesvg");
          for(var j=0;j<i;j++){
            x += (this.data[j].type.length) * 5 + 50;
            if(x>250){
              x = 0;
              y+=25;
            }
          }
          return "translate("+x+"," + y + ")";
      },
      init(){
        
        var svg = d3.select("#piesvg");
          svg.selectAll("*").remove();
        var width = +svg.attr("width"),
            height = +svg.attr("height"),
            radius = Math.min(width, height) / 2,
            g = svg.append("g").attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");

        var color = d3.scaleOrdinal(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);

        var pie = d3.pie()
            .sort(null)
            .value(function(d) { return d.weight; });

        var path = d3.arc()
            .outerRadius(radius - 10)
            .innerRadius(0);

        
        var arc = g.selectAll(".arc")
            .data(pie(this.data))
            .enter().append("g")
              .attr("class", "arc");

          arc.append("path")
              .attr("d", path)
              .attr("style", function(d) { return "fill:"+color(d.data.type) });

        var legend = d3.select("#pielegend")
                  .attr("class", "legend")
                  .selectAll("g")
                  .data(pie(this.data))//setting the data as we know there are only two set of data[programmar/tester] as per the nest function you have written
                  .enter().append("g")
                  .attr("transform", this.translateLegend);

              legend.append("rect")
                  .attr("width", 18)
                  .attr("height", 18)
                  .style("fill", function(d) {
                      return color(d.data.type);
                    });

              legend.append("text")
                  .attr("x", 24)
                  .attr("y", 9)
                  .attr("dy", ".35em")
                  .text(function(d) { return d.data.type; });
        
      },
      loadData(){
        axios.get(this.origin+"/proteus/service/repo/breakdown/mime?limit=5")
            .then(response=>{
              this.$log.info(response.data);
              this.data=response.data;
              this.init();
            })
            .catch(error=>{
              
              throw error;
            })
      }
    },
    computed: {
      origin(){
        return store.state.origin;
      },
      currentState(){
        return store.state.currentActionStep;
      }
    }
}
</script>

<style>
  .piechart {

  }
    .arc text {
    font: 10px sans-serif;
    text-anchor: middle;
  }

.arc path {
  stroke: transparent
  
}

#piecard {
    margin-top: 5%;
    margin-bottom :5%;
    margin-left:5%
  }
</style>