scatterchart-datalet.html 7.56 KB
<!--
@license
    The MIT License (MIT)

    Copyright (c) 2015 Dipartimento di Informatica - Università di Salerno - Italy

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
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    The above copyright notice and this permission notice shall be included in
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    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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    THE SOFTWARE.
-->

<!--
* Developed by :
* ROUTE-TO-PA Project - grant No 645860. - www.routetopa.eu
*
-->

<link rel="import" href="../highcharts-datalet/highcharts-datalet.html">

<!--

`scatterchart-datalet` is a scatter plot chart datalet based on highcharts project <http://www.highcharts.com/>

Example:

    <scatterchart-datalet
        data-url="http://ckan.routetopa.eu/api/action/datastore_search?resource_id=#"
        fields='["field1","field2"]'>
    </scatterchart-datalet>

@element scatterchart-datalet
@status v0.1
@demo demo/index.html
@group datalets
-->

<dom-module id="scatterchart-datalet">
    <template>
        <highcharts-datalet id="charts" data-url="{{dataUrl}}" fields="{{fields}}" data="{{data}}" title="{{title}}" description="{{description}}"></highcharts-datalet>
    </template>
    <script>

        var scatterchartBehavior = {

            /**
             * Bluid Highchart object
             *
             * @method presentData
             */
            presentData: function(){
                var categoryName = [];
                var color = {};
                var scatterSeriesData = {};
                var scattserie = [];

                ScatterArr = [];
                var dataTmp = [];
                //Example 1: No Series name is specified in the query
                if(this.data.length == 2){
                    for (var i = 0; i < this.data[0].data.length; i++) {
                            ScatterArr = [parseFloat(this.data[0].data[i]), parseFloat(this.data[1].data[i])];
                            dataTmp.push(ScatterArr)
                        }
                    //add data to the series
                    scatterSeriesData = {
                        name: "Series",
                        data: dataTmp,
                        marker: color
                    }
                    scattserie.push(scatterSeriesData);
                }
                //Example 2: multi-series charts
                else{
                    var categoryNameDuplicateValue = [];
                    for (i = 0; i < this.data[0].data.length; i++) {
                            categoryNameDuplicateValue.push(this.data[0].data[i]);
                    }
                    categoryName = categoryNameDuplicateValue.filter(function (itm, i, categoryNameDuplicateValue) {
                        return i == categoryNameDuplicateValue.indexOf(itm);
                    });
                    for (var index = 0; index < categoryName.length; index++) {
                        for (var i = 0; i < this.data[0].data.length; i++) {
                            if (this.data[0].data[i] == categoryName[index]) {
                                ScatterArr = [this.data[1].data[i], this.data[2].data[i]];
                                dataTmp.push(ScatterArr);
                            }
                        }
                        //add data to the series
                        scatterSeriesData = {
                            name: "Series: " + categoryName[index],
                            data: dataTmp,
                            marker: color
                        }

                        scattserie.push(scatterSeriesData);
                        dataTmp = [];
                    }
                }
                
                $(this._component.$.charts.$.container).highcharts({
                    chart: {
                        type: 'scatter',
                        zoomType: 'xy'
                    },
                    title: {
                        text: "" + this._component.title
                    },
                    plotOptions: {
                        scatter: {
                            marker: {
                                radius: 5,
                                states: {
                                    hover: {
                                        enabled: true,
                                        lineColor: 'rgb(100,100,100)'
                                    }
                                }
                            },
                            /*tooltip: {
                                headerFormat: '<b>{series.name}</b><br>',
                                pointFormat: '{point.x} ab, {point.y} kmq',
                                valueSuffix: ' ' + this._component.suffix
                            }*/
                            tooltip: {
                             headerFormat: '<b>{series.name}</b><br>',
                             pointFormat: '{point.x}' + this._component.xAxisLabel + ', {point.y}' + this._component.yAxisLabel,
                             valueSuffix: ' ' + this._component.suffix
                             }
                        }
                    },
                    credits: {
                        enabled: false
                    },
                    series: scattserie
                });
            }
        };


        scatterchartDatalet = Polymer({
            is: 'scatterchart-datalet',
            properties: {
                /**
                 * It's the label for X axis
                 *
                 * @attribute xAxisLabel
                 * @type String
                 * @default ''
                 */
                xAxisLabel: {
                    type: String,
                    value: ""
                },
                /**
                 * It's the label for Y axis
                 *
                 * @attribute yAxisLabel
                 * @type String
                 * @default ''
                 */
                yAxisLabel: {
                    type: String,
                    value: ""
                },
                /**
                 * It's the component behavior
                 *
                 * @attribute behavior
                 * @type Object
                 * @default {}
                 */
                behavior : {
                    type : Object,
                    value : {}
                }
            },

            /**
             * 'ready' callback extend the scatterchartComponentBehavior with HighchartsComponentBehavior and scatterchartBehavior
             * and run the Datalet workcycle.
             *
             * @method ready
             */
            ready: function(){
                this.behavior = $.extend(true, {}, HighchartsComponentBehavior, scatterchartBehavior);
                this.async(function(){this.behavior.init(this)},1000);
            }
        });
    </script>
</dom-module>