/* JAVASCRIPT GOOGLE CHART */



var chart_themes;

var chart_centers;



google.load('visualization', '1', {packages:['imagepiechart']});

google.load('visualization', '1', {packages:['imagelinechart']});





function initialize_charts() {

	chart_themes = new google.visualization.ImagePieChart(document.getElementById('chart_themes'));

	chart_centers = new google.visualization.ImageLineChart(document.getElementById('chart_centers'));

}



function draw_chart_themes(rows, meeting_name) {

	var color = ["2c6dd2","d22cc0","2abc1b","f31818","d2762c"];

	var data = new google.visualization.DataTable();

	data.addColumn('string', 'Thčme');

	data.addColumn('number', 'Pourcentage');

	data.addRows(rows.length);

	for (var i=0; i<rows.length; i++) {

		data.setValue(i, 0, rows[i]["name"]);

		data.setValue(i, 1, parseInt(rows[i]["percent"]));

	}

	chart_themes.draw(data, {colors:color, is3D: true,width: 300, height:180, backgroundColor:'#b7c2c7',

		title: "Proportion des thčmes abordés \n dans le congrés:\n" + meeting_name});

}



function draw_chart_centers(rows) {

	var color = ["ff0000"];

	var data = new google.visualization.DataTable();

	data.addColumn('string', 'Année');

	data.addColumn('number', 'Ouvertures');

	data.addRows(rows.length*2);

	var i=0;

	while (i<rows.length) {

		data.setValue(i*2, 0, rows[i]["anneeDebut"]);

		data.setValue(i*2, 1, parseInt(rows[i]["nombre"]));

		data.setValue(i*2+1, 0, rows[i]["anneeFin"]);

		data.setValue(i*2+1, 1, parseInt(rows[i]["nombre"]));

		i++;

	}

	chart_centers.draw(data, 

			{colors:color,width: 300, height: 180, min: 0, max: 8, legend:"top",

				backgroundColor:"#f6cf7c", title:"Nombre d'ouvertures de centre"});

}