Barras Estado

.block

license: gpl-3.0
scrolling: 

README.md

forked from mbostock's block: Wrapping Long Labels

forked from f94f's block: Barras Estado

createDownloader.js

function createDownloader(){
    
    var doctype = '<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">';
    var prefix = {
        xmlns: "http://www.w3.org/2000/xmlns/",
        xlink: "http://www.w3.org/1999/xlink",
        svg: "http://www.w3.org/2000/svg"
    }
    
    
    
    function exports(_selection) {
        var svg = _selection.node()
        
        var w = svg.clientWidth, h = svg.clientHeight
        
        
        var _emptySvg,_emptySvgDeclarationComputed
        var _copyChart
        
        
        
        function createEmptySVG() {
            _emptySvg = window.document.createElementNS(prefix.svg, 'svg');
            window.document.body.appendChild(_emptySvg);
            _emptySvgDeclarationComputed = getComputedStyle(_emptySvg);
            
        }
        
        function createCopySVG() {
            _copyChart = d3.select("body")
                .append("div")
                .html(svg.innerHTML)
                .node()            
            
        }

        function traverse(obj){
            var tree = [];
            tree.push(obj);
            visit(obj);
            function visit(node) {
                if (node && node.hasChildNodes()) {
                    var child = node.firstChild;
                    while (child) {
                        if (child.nodeType === 1 && child.nodeName != 'SCRIPT'){
                            tree.push(child);
                            visit(child);
                        }
                        child = child.nextSibling;
                    }
                }
            }
            return tree;
        }
        
        function explicitlySetStyle(element) {
            var cSSStyleDeclarationComputed = getComputedStyle(element)
            var attributes = Object.keys(element.attributes).map(function(i){ return element.attributes[i].name } )          
            var i, len
            var computedStyleStr = ""
            for (i=0, len=cSSStyleDeclarationComputed.length; i<len; i++) {
                var key=cSSStyleDeclarationComputed[i]             
                var value=cSSStyleDeclarationComputed.getPropertyValue(key)
                if(!attributes.some(function(k){ return k === key}) && value!==_emptySvgDeclarationComputed.getPropertyValue(key)) {
                    computedStyleStr+=key+":"+value+";"
                }            
            }
            element.setAttribute('style', computedStyleStr);
        }        

        function downloadSVG(source) {
            var filename = "chart.svg";
            var svg = d3.select(source).select("svg")
                .attr("xmlns", prefix.svg)
                .attr("version", "1.1")            
                .node()
            
            var blobObject = new Blob([doctype +  (new XMLSerializer()).serializeToString(svg)], { "type" : "text\/xml" })   
            
            if (navigator.appVersion.toString().indexOf('.NET') > 0){ //IE hack
                window.navigator.msSaveBlob(blobObject, filename)

            }else {
                var url = window.URL.createObjectURL(blobObject)                
                var a = d3.select("body").append("a")
                
                a.attr("class", "downloadLink")
                    .attr("download", "chart.svg")
                    .attr("href", url)
                    .text("test")
                    .style("display", "none")
                    
                    a.node().click()
    
                setTimeout(function() {
                  window.URL.revokeObjectURL(url)
                  a.remove()
                }, 10);            
            }
        }    


        function downloadPNG(source) {
            var filename = "chart.png";
            
            var svg = d3.select(source).select("svg")
                .attr("xmlns", prefix.svg)
                .attr("version", "1.1")
                .node()
                                    
            var data_uri =  "data:image/svg+xml;utf8," +   encodeURIComponent( (new XMLSerializer()).serializeToString(svg) )
                        
            var canvas = d3.select("body").append("canvas")
                .attr("id", "drawingArea")
                .attr("width", w)
                .attr("height", h)
                .style("display", "none")
            
            var context = canvas.node().getContext("2d")


            var download = function() {
            
                if (navigator.appVersion.toString().indexOf('.NET') > 0){
                
                    canvg(document.getElementById('drawingArea'), (new XMLSerializer()).serializeToString(svg))
    
                    var dataURI2Blob = function(dataURI, dataTYPE) {
                           var binary = atob(dataURI.split(',')[1]), array = [];
                           for(var i = 0; i < binary.length; i++) array.push(binary.charCodeAt(i));
                           return new Blob([new Uint8Array(array)], {type: dataTYPE});
                       }                   
                    
                    var data_uri = canvas.node().toDataURL("image/png")
                    var blobObject = dataURI2Blob(data_uri, "image/png")
                        
                    window.navigator.msSaveBlob(blobObject, filename)
    
                }else {
    
                    context.drawImage(img, 0, 0) 
                    var url = canvas.node().toDataURL("image/png")
                    var a = d3.select("body").append("a").attr("id", "downloadLink")
                    
                    a.attr("class", "downloadLink")
                        .attr("download", filename)
                        .attr("href", url)
                        .text("test")
                        .style("display", "none")
                        
                        a.node().click()
        
                    setTimeout(function() {
                      window.URL.revokeObjectURL(url)
                      canvas.remove()
                      a.remove()
                    }, 10);            
                }
                    
                
            }                
                
            var img = new Image();
            img.src = data_uri
            if (navigator.appVersion.toString().indexOf('.NET') > 0){ //IE hack
                d3.select(img).attr("onload", download)
            }else{
                img.addEventListener('load', download, false)                
            }
            
            
        }
        
        
        
        /**
         * @callback downloadSVG
         * @desc svgをダウンロードする
         */        
        _selection.downloadSVG = function(){
            
            createEmptySVG()
            createCopySVG()
            
            var allElements = traverse(_copyChart)            
            var i = allElements.length;            
            while (i--){
                explicitlySetStyle(allElements[i]);
            }
            
            downloadSVG(_copyChart)
            
            d3.select(_copyChart).remove()
            d3.select(_emptySvg).remove()
            
        }
        
        /**
         * @callback downloadPNG
         * @desc pngをダウンロードする
         */        
        _selection.downloadPNG = function(){
            
            createEmptySVG()
            createCopySVG()
            
            var allElements = traverse(_copyChart)            
            var i = allElements.length;            
            while (i--){
                explicitlySetStyle(allElements[i]);
            }
            
            downloadPNG(_copyChart)
            
            d3.select(_copyChart).remove()
            d3.select(_emptySvg).remove()
            
        }

        
    }
    
    

    return exports
    
}

index.html

<!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>
  <div id="chart"></div>
  <button id="downloadSVG">SVG Download</button>  
    <button id="downloadPNG">PNG Download</button>  

<script src="//cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js"></script>     
<script src="//bl.ocks.org/shimizu/raw/0b526eab82263c8443108c33e454d221/nChart.js"></script>
<script src="createDownloader.js"></script>
<script src="//d3js.org/d3.v4.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.scaleBand().rangeRound([0, width], 0.1, 0.3);

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

var xAxis = d3.axisBottom()
    .scale(x);

var yAxis = d3.axisLeft()
    .scale(y)
    .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))
      .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.bandwidth());
  
  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.bandwidth())
      .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);
				})
  
  var downloader = createDownloader();
  
  var selector = d3.selectAll("#chart")
        .datum(puntos)
        .call(yAxis)
  			.call(xAxis)
        .call(downloader);
  
  d3.select("#downloadSVG").on("click", selector.downloadSVG )    
    d3.select("#downloadPNG").on("click", selector.downloadPNG )
  
function wrap(text, width) {
  text.each(function() {
    var text = d3.select(this),
        words = text.text().split(/\s+/).reverse(),
        word,
        line = [],
        lineNumber = 0,
        lineHeight = 1.1, // ems
        y = text.attr("y"),
        dy = parseFloat(text.attr("dy")),
        tspan = text.text(null).append("tspan").attr("x", 0).attr("y", y).attr("dy", dy + "em");
    while (word = words.pop()) {
      line.push(word);
      tspan.text(line.join(" "));
      if (tspan.node().getComputedTextLength() > width) {
        line.pop();
        tspan.text(line.join(" "));
        line = [word];
        tspan = text.append("tspan").attr("x", 0).attr("y", y).attr("dy", ++lineNumber * lineHeight + dy + "em").text(word);
      }
    }
  });
}

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
	}
});

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