<!-- @license The MIT License (MIT) Copyright (c) 2015 Dipartimento di Informatica - Universit� 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 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 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 all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 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="../../bower_components/polymer/polymer.html"> <link rel="import" href="../highcharts-datalet/highcharts-datalet.html"> <!-- `piechart-datalet` is a piechart datalet based on highcharts project <http://www.highcharts.com/> Example: <piechart-datalet> data-url="http://ckan.routetopa.eu/api/action/datastore_search?resource_id=#" fields='["field1","field2"]'> </piechart-datalet> @element piechart-datalet @status v0.1 @demo demo/index.html @group datalets --> <dom-module id="piechart-datalet"> <template> <highcharts-datalet id="charts" data-url="{{dataUrl}}" fields="{{fields}}" title="{{title}}" description="{{description}}" export_menu="{{export_menu}}"></highcharts-datalet> </template> <script> var PiechartBehavior = { /** * Build Highchart object * * @method presentData */ presentData: function(){ var series = [{"name": this.data[1].name, "data": []}]; var sum = 0; for(var i = 0; i < this.data[0].data.length; i++) sum += this.data[1].data[i]; var other = ['other', 0]; for(var i = 0; i < this.data[0].data.length; i++) { if (this.data[0].data.length <= 20 || this.data[1].data[i] / sum >= 0.02) { var slice = ['' + this.data[0].data[i], this.data[1].data[i]]; series[0].data.push(slice); } else { other[1] += this.data[1].data[i]; } } if(other[1] > 0) series[0].data.push(other); var innerSize = 0; if(this._component.donut == "true") innerSize = 100; options = { chart: { type: 'pie', zoomType: 'xy', }, title: { text: this._component.title }, tooltip: { valueSuffix: ' ' + this._component.suffix }, plotOptions: { pie: { innerSize: innerSize, allowPointSelect: true, cursor: 'pointer', dataLabels: { enabled: true, format: '<b>{point.name}</b>: {point.percentage:.1f} %', style: { color: (Highcharts[this._component.theme] && Highcharts[this._component.theme].contrastTextColor) || 'black' } } } }, credits: { enabled: false }, series: series }; if(this._component.theme != "themeBase" && this._component.theme != "") jQuery.extend(true, options, Highcharts[this._component.theme]); $(this._component.$.charts.$.container).highcharts(options); } }; PiechartDatalet = Polymer({ is: 'piechart-datalet', properties: { suffix : { type : String, value : "" }, theme : { type : String, value : "" }, donut : { type : String, value : "false" }, behavior : { type : Object, value : {} }, /** * Control the export menu * xxxx BITMASK. FROM RIGHT : HTML, PNG, RTF, MY SPACE (eg. 1111 show all, 0000 hide all) * * @attribute export_menu * @type Number * @default 15 */ export_menu : { type : Number, value : 15 // xxxx BITMASK. FROM RIGHT : HTML, PNG, RTF, MY SPACE (eg. 1111 show all, 0000 hide all) } }, /** * 'ready' callback extend the PiechartComponentBehavior with HighchartsComponentBehavior and PiechartBehavior * and run the Datalet workcycle. * * @method ready */ ready: function(){ this.behavior = $.extend(true, {}, HighchartsComponentBehavior, PiechartBehavior); this.async(function(){this.behavior.init(this)},0); } }); </script> </dom-module>