Barras Estado

forked from mbostock's block: Wrapping Long Labels

<!DOCTYPE html>
<meta charset="utf-8">
<style>

.bar-pe {
  fill: #0075ea;
}
.bar-to {
  fill: #008e2d;
}
.bar-pa {
  fill: #ffa500;
}
.bar-re {
  fill: #FF0000;
}
  
.bar-pe:hover {
  fill: #56aafe;
}
.bar-to:hover {
  fill: #00BC3C;
}
.bar-pa:hover {
  fill: #ffbb3d;
}
.bar-re:hover {
  fill: #ff1e1e;
}
  
/*tooltip*/
	.show {
		display: block;
	}
	.hidden {
		display: none;
	}
	.tooltip {
		background-color: #333;
		padding: 4px 8px;
		position: absolute;
		color: #fff;
		opacity: 0.8;
		z-index: 100;
	}
  
.title {
  font: bold 14px "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.axis {
  font: 10px sans-serif;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  stroke-dasharray: 2px 2px;
}

.x.axis path {
  display: none;
}

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
var puntos = [
  {name: "Pendientes",    value:  0.40},
  {name: "Totales",    value:  0.0667},
  {name: "Parciales",     value: 0.0667},
  {name: "Rechazados",   value: 0.0}
];
  
var margin = {top: 80, right: 180, bottom: 80, left: 180},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x = d3.scale.ordinal()
    .rangeRoundBands([0, width], 0.1, 0.3);

var y = d3.scale.linear()
    .range([height, 0]);

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left")
    .ticks(8, "%");
  
var tooltip = d3.select("body").append("div")
		.attr("class", "tooltip");

var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

//EL GRÁFICO
  x.domain(puntos.map(function(d) { return d.name; }));
  y.domain([0, d3.max(puntos, function(d) { return d.value; })]);
  
  svg.append("text")
      .attr("class", "title")
      .attr("x", (150), (puntos[0].name))
      .attr("y", -30)
      .text("Porcentaje de las entregas según su estado");

svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis)
    .selectAll(".tick text")
      .call(wrap, x.rangeBand());

svg.append("g")
      .attr("class", "y axis")
      .call(yAxis);

svg.selectAll(".bar")
      .data(puntos)
    .enter().append("rect")
      .attr("class", function(d) {
    		if(d.name == "Pendientes") { return "bar-pe";}
  			else if(d.name == "Totales") { return "bar-to";}
    		else if(d.name == "Parciales") { return "bar-pa";}
    		else if(d.name == "Rechazados") { return "bar-re";}
  			})
      .attr("x", function(d) { return x(d.name); })
      .attr("width", x.rangeBand())
      .attr("y", function(d) { return y(d.value); })
      .attr("height", function(d) { return height - y(d.value); })
  		.on('mouseover', function(d){
  			d3.select("#major").text(d.key);
  			tooltip.transition()
               .duration(500)
               .style("opacity", 1);
  			tooltip.html((d.value * 100) + "%")
               .style("left", (d3.event.pageX - 25) + "px")
               .style("top", (d3.event.pageY - 50) + "px");
    	 })
  		 .on('mousemove', function (d) {	
				tooltip.style("top", (d3.event.pageY - 50) + 'px');
				tooltip.style("left", (d3.event.pageX - 25) + 'px');
			 })
  		 .on('mouseout', function(d){
        d3.select("#major").text("Mouse over");
  			tooltip.transition()
               .duration(500)
               .style("opacity", 0);
				})

function type(d) {
  d.value = +d.value;
  return d;
}
  
  // Set-up the export button
d3.select('#saveButton').on('click', function(){
	var svgString = getSVGString(svg.node());
	svgString2Image( svgString, 2*width, 2*height, 'png', save ); // passes Blob and filesize String to the callback

function save( dataBlob, filesize ){
		saveAs( dataBlob, 'D3 vis exported to PNG.png' ); // FileSaver.js function
	}
});

// Below are the functions that handle actual exporting:
// getSVGString ( svgNode ) and svgString2Image( svgString, width, height, format, callback )
function getSVGString( svgNode ) {
	svgNode.setAttribute('xlink', 'https://www.w3.org/1999/xlink');
	var cssStyleText = getCSSStyles( svgNode );
	appendCSS( cssStyleText, svgNode );

var serializer = new XMLSerializer();
	var svgString = serializer.serializeToString(svgNode);
	svgString = svgString.replace(/(\w+)?:?xlink=/g, 'xmlns:xlink='); // Fix root xlink without namespace
	svgString = svgString.replace(/NS\d+:href/g, 'xlink:href'); // Safari NS namespace fix

return svgString;

function getCSSStyles( parentElement ) {
		var selectorTextArr = [];

// Add Parent element Id and Classes to the list
		selectorTextArr.push( '#'+parentElement.id );
		for (var c = 0; c < parentElement.classList.length; c++)
				if ( !contains('.'+parentElement.classList[c], selectorTextArr) )
					selectorTextArr.push( '.'+parentElement.classList[c] );

// Add Children element Ids and Classes to the list
		var nodes = parentElement.getElementsByTagName("*");
		for (var i = 0; i < nodes.length; i++) {
			var id = nodes[i].id;
			if ( !contains('#'+id, selectorTextArr) )
				selectorTextArr.push( '#'+id );

var classes = nodes[i].classList;
			for (var c = 0; c < classes.length; c++)
				if ( !contains('.'+classes[c], selectorTextArr) )
					selectorTextArr.push( '.'+classes[c] );
		}

// Extract CSS Rules
		var extractedCSSText = "";
		for (var i = 0; i < document.styleSheets.length; i++) {
			var s = document.styleSheets[i];
			
			try {
			    if(!s.cssRules) continue;
			} catch( e ) {
		    		if(e.name !== 'SecurityError') throw e; // for Firefox
		    		continue;
		    	}

var cssRules = s.cssRules;
			for (var r = 0; r < cssRules.length; r++) {
				if ( contains( cssRules[r].selectorText, selectorTextArr ) )
					extractedCSSText += cssRules[r].cssText;
			}
		}

return extractedCSSText;

function contains(str,arr) {
			return arr.indexOf( str ) === -1 ? false : true;
		}

}

function appendCSS( cssText, element ) {
		var styleElement = document.createElement("style");
		styleElement.setAttribute("type","text/css"); 
		styleElement.innerHTML = cssText;
		var refNode = element.hasChildNodes() ? element.children[0] : null;
		element.insertBefore( styleElement, refNode );
	}
}

function svgString2Image( svgString, width, height, format, callback ) {
	var format = format ? format : 'png';

var imgsrc = 'data:image/svg+xml;base64,'+ btoa( unescape( encodeURIComponent( svgString ) ) ); // Convert SVG string to data URL

var canvas = document.createElement("canvas");
	var context = canvas.getContext("2d");

canvas.width = width;
	canvas.height = height;

var image = new Image();
	image.onload = function() {
		context.clearRect ( 0, 0, width, height );
		context.drawImage(image, 0, 0, width, height);

canvas.toBlob( function(blob) {
			var filesize = Math.round( blob.length/1024 ) + ' KB';
			if ( callback ) callback( blob, filesize );
		});

};

image.src = imgsrc;
}

</script>
    <div>
<button id='saveButton'>Export my D3 visualization to PNG</button>
</div>
</body>

https://d3js.org/d3.v3.min.js