4cecc09cf1047aa27e46 by bollwyvl

index.html

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

svg {
  font: 10px sans-serif;
}

.border {
  color: yellow;
}

.resize path {
  fill: #666;
  fill-opacity: .8;
  stroke: #000;
  stroke-width: 1.5px;
}
.e{
  fill: red;
}
.w{
  fill: green;
}

.axis path, .axis line {
  fill: none;
  stroke: #000;
  /*shape-rendering: crispEdges;*/
}

.brush .extent {
  fill-opacity: .125;
  /*shape-rendering: crispEdges;*/
}

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>

<script>

var margin = {top: 194, right: 50, bottom: 214, left: 50},
    width = 800 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x = d3.scale.linear()
    .domain([0,60])
    .range([0, width]);


var brush = d3.svg.brush()
    .x(x)
    .extent([20,26]);

brush.on("brush", boundedBrushmove(brush, 1, 10));

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 + ")");

svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(d3.svg.axis().scale(x).orient("bottom"));


var brushg = svg.append("g")
    .attr("class", "brush")
    .call(brush)

brushg.selectAll(".resize").append("rect")
    .attr("width", '20px')
    .classed("border")
brushg.selectAll("rect")
    .attr("height", height);

brushg.select(".background")
    .on("mousedown.brush", nobrush)
    .on("touchstart.brush", nobrush);

function boundedBrushmove(brush, min, max) {
  return function(){
    var extent = brush.extent(),
      diff = extent[1] - extent[0];
    
    if(min && (diff < min)) {
      extent[1] = extent[0] + min;
    }else if(max && (diff > max)){
      extent[1] = extent[0] + max;
    }else{
      return;
    }
    
    brush.extent(extent)(d3.select(this));
  }
}


function nobrush(a, b, c) {
  console.log('brushcenter')
  d3.event.stopPropagation()
}

</script>