bubblechart-datalet.html
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<!--
@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
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="../highcharts-datalet/highcharts-datalet.html">
<!--<script src="http://code.highcharts.com/highcharts-more.js"></script>-->
<!--
`bubblechart` is a bubbles chart datalet based on highcharts project <http://www.highcharts.com/>
Examples:
An example to create a Bubble chart with multiple series specified (fields4)
<bubblechart-datalet
data-url="http://ckan.routetopa.eu/api/action/datastore_search?resource_id=#"
fields='["field1","field2","field3","field4"]'>
</bubblechart-datalet>
An example to create a Bubble chart with x and y values, and a size value (field3)
<bubblechart-datalet
data-url="http://ckan.routetopa.eu/api/action/datastore_search?resource_id=#"
fields='["field1","field2","field3"]'>
</bubblechart-datalet>
@element bubblechart-datalet
@status v0.1
@demo demo/index.html
@group datalets
-->
<dom-module id="bubblechart-datalet">
<template>
<highcharts-datalet id="charts" data-url="{{dataUrl}}" fields="{{fields}}" data="{{data}}" title="{{title}}" description="{{description}}"></highcharts-datalet>
</template>
<script>
var BubblechartBehavior = {
/**
* Build Highchart object
*
* @method presentData
*/
presentData: function() {
if(this.data.length == 5) {// multiseries
var x = this.data[4]["data"];
var categories = x.filter(function (item, pos) {
return x.indexOf(item) == pos;
});
var bubbleSeries = [];
var series = [];
var point = [];
for (var i = 0; i < categories.length; i++) {
for (var j = 0; j < x.length; j++) {
if (this.data[4].data[j] == categories[i]) {
point = {x: this.data[0].data[j], y: this.data[1].data[j], z: this.data[2].data[j], content: this.data[3].data[j]};
series.push(point);
}
}
bubbleSeries.push({name: categories[i], data: series});
series = [];
}
this.properties.series = bubbleSeries;
this._component.legend = true;
}
else {// == 4
var bubbleSeries = [];
var series = [];
var point = [];
for (var j = 0; j < this.data[0]["data"].length; j++) {
point = {x: this.data[0].data[j], y: this.data[1].data[j], z: this.data[2].data[j], content: this.data[3].data[j]};
series.push(point);
}
bubbleSeries.push({data: series});
this.properties.series = bubbleSeries;
this._component.legend = false;
}
options = {
chart: {
type: 'bubble',
zoomType: 'xy',
plotBorderWidth: 1
},
title: {
text: this._component.title
},
// subtitle: {
// text: this._component.description
// },
xAxis: {
title: {
text: this._component.xAxisLabel
}
},
yAxis: {
title: {
text: this._component.yAxisLabel,
}
},
legend: {
enabled: this._component.legend,
},
plotOptions: {
series: {
dataLabels: {
enabled: true,
format: '{point.content}'
}
}
},
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);
}
};
/**
* Element registration
*/
BubblechartDatalet = Polymer({
is: 'bubblechart-datalet',
properties: {
xAxisLabel: {
type: String,
value: ""
},
yAxisLabel: {
type: String,
value: ""
},
theme : {
type : String,
value : ""
},
behavior : {
type : Object,
value : {}
}
},
/**
* 'ready' callback extend the BubblechartBehavior with HighchartsComponentBehavior and BubblechartBehavior
* and run the Datalet workcycle.
*
* @method ready
*/
ready: function(){
this.behavior = $.extend(true, {}, HighchartsComponentBehavior, BubblechartBehavior);
this.async(function(){this.behavior.init(this)},0);
}
});
</script>
</dom-module>