scatterchart-datalet.html 5.18 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
    in the Software without restriction, including without limitation the rights
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    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    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
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    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 x = this.data[0]["data"];

                var categories = x.filter(function(item, pos) {
                    return x.indexOf(item) == pos;
                });

                var scatterSeries = [];
                var series = [];
                var point = [];

                for (var i = 0; i < categories.length; i++) {
                    for (var j = 0; j < x.length; j++) {
                        if (this.data[0].data[j] == categories[i]) {
                            point = [this.data[1].data[j], this.data[2].data[j]];
                            series.push(point);
                        }
                    }

                    scatterSeries.push({name: categories[i], data: series});
                    series = [];
                }

                this.properties.series = scatterSeries;

                options = {
                    chart: {
                        type: 'scatter',
                        zoomType: 'xy'
                    },
                    title: {
                        text: this._component.title
                    },
                    xAxis: {
                        title: {
                            text: this._component.yAxisLabel
                        }
                    },
                    yAxis: {
                        title: {
                            text: this._component.xAxisLabel,
                        }
                    },
                    credits: {
                        enabled: false
                    },
                    series: this.properties.series
                };

                if(this._component.theme != "themeBase" && this._component.theme != "")
                    jQuery.extend(true, options, Highcharts[this._component.theme]);

                $(this._component.$.charts.$.container).highcharts(options);
            }
        };


        scatterchartDatalet = Polymer({
            is: 'scatterchart-datalet',
            properties: {
                xAxisLabel: {
                    type: String,
                    value: ""
                },
                yAxisLabel: {
                    type: String,
                    value: ""
                },
                suffix : {
                    type : String,
                    value : ""
                },
                theme : {
                    type : String,
                    value : ""
                },
                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)},0);
            }
        });
    </script>
</dom-module>