shimizu/.block

## .block
license: mit

## README.md

      
    Raw
  

              README.md
            
          
    Axis Tips #2
軸(Axis)のtick(ラベル)をカスタマイズして表示する。
青枠はドラッグしてサイズを変更することができます。

  
## index.html
<!DOCTYPE html>
<html lang="jp">
<meta name="viewport" content="width=device-width, initial-scale=1">
<head>
<style>
html, body {
    margin: 0px;
    padding: 0px;
    width:100%;
    height: 100%;
}

#chart {
    width:80%;
    height: 80%;
    border: 8px dashed gray;
    border-left: none;
    border-top:none;
    cursor:all-scroll;
}
#chart svg{
    width: 100%;
    height: 100%;
    cursor: default;
}

.grid .tick line {
    stroke-dasharray:1;
}

</style>

<script src="//unpkg.com/babel-standalone@6.26.0/babel.min.js"></script>
<script src="//unpkg.com/d3@4.12.2/build/d3.min.js"></script>
</head>
<body>
<div id="chart">
    <svg></svg>
</div>


<script ="text/babel">
const svg = d3.select("#chart").select("svg");
const grid = svg.append("g").classed("grid", true);
const plot = svg.append("g").classed("plot", true);
const axis = svg.append("g").classed("axis", true);
const yScale = d3.scaleLinear().domain([100, 0]);
const xScale = d3.scaleTime().domain([new Date(2016,1,1), new Date(2018,1,1)])

const yearFormat = d3.timeFormat("%Y年");
const monthFormat = d3.timeFormat("%m月");

render();

function render(){
    const m = {top:40, left:80, right:40, bottom:40};
    const w = svg.node().clientWidth || svg.node().parentNode.clientWidth;
    const h = svg.node().clientHeight || svg.node().parentNode.clientHeight;
    const pw = w - (m.left + m.right);
    const ph = h - (m.top + m.bottom);

    const breakpoint = 480; //スマートフォン用のブレイクポイント


    yScale.range([0, ph]);
    xScale.range([0, pw]);

    //axis layer
    axis.attr("transform", `translate(${m.left}, ${m.top})`);

    //y axis
    const yAxisUpdate = axis.selectAll(".yAxis").data([null]);
    const yAxisEnter = yAxisUpdate.enter().append("g").classed("yAxis", true);

    const renderYAxis = d3.axisLeft().scale(yScale)
        .tickFormat( (d,i) => {
            if(i === 0) return  `${d} (千万円)`;
            return d;
        });


    const yAxis = yAxisUpdate.merge(yAxisEnter).call(renderYAxis);

    yAxis.select(".domain").remove();
    yAxis.selectAll(".tick line").remove();


    //x axis
    const xAxisUpdate = axis.selectAll(".xAxis").data([null]);
    const xAxisEnter = xAxisUpdate.enter().append("g").classed("xAxis", true);

    const renderXAxis =  d3.axisBottom().scale(xScale)
        .tickFormat(d => { //tick custom
            const year = yearFormat(d);
            const month = monthFormat(d).replace(/^0/, "");
            return (d.getMonth() == 0 && w > breakpoint) ?  year + month:  month; //１月の軸だけ年をつけて表示する
        });


    const xAxis = xAxisUpdate.merge(xAxisEnter).call(renderXAxis)
        .attr("transform", `translate(0, ${ph})`);

    xAxis.select(".domain").remove();
    xAxis.selectAll(".tick line").remove();


    //grid layer
    grid.attr("transform", "translate("+[m.left, m.top]+")");

    //y grid
    const yGridUpdate = grid.selectAll(".yGrid").data([null]);
    const yGridEnter = yGridUpdate.enter().append("g").classed("yGrid", true);

    const yGrid = yGridUpdate.merge(yGridEnter).call( d3.axisLeft().scale(yScale).tickSizeInner(-pw).tickFormat(()=>null) )

    yGrid.select(".domain").remove();


}


//divエレメントをドラッグでリサイズできるようにする。
const dispatch = d3.dispatch("resize");
dispatch.on("resize", render);
setResizeControler();


function setResizeControler(){
    const drag = d3.drag()
        .on("drag", resized)

    d3.select("#chart")
        .call(drag);

    function resized(e){
        const s = d3.event.sourceEvent;
        const w = (s.pageX < 300) ? 300 : s.pageX;
        const h = (s.pageY < 200) ? 200 : s.pageY;

        d3.select(this)
            .style("width", `${w}px`)
            .style("height", `${h}px`)
            .attr("data-test", "test")

        dispatch.call("resize");

    }

}


</script>


</body>
</html>

## thumbnail.png

      
    Raw
  

              thumbnail.png
	<!DOCTYPE html>
	<html lang="jp">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<head>
	<style>
	html, body {
	margin: 0px;
	padding: 0px;
	width:100%;
	height: 100%;
	}

	#chart {
	width:80%;
	height: 80%;
	border: 8px dashed gray;
	border-left: none;
	border-top:none;
	cursor:all-scroll;
	}
	#chart svg{
	width: 100%;
	height: 100%;
	cursor: default;
	}

	.grid .tick line {
	stroke-dasharray:1;
	}

	</style>

	<script src="//unpkg.com/babel-standalone@6.26.0/babel.min.js"></script>
	<script src="//unpkg.com/d3@4.12.2/build/d3.min.js"></script>
	</head>
	<body>
	<div id="chart">
	<svg></svg>
	</div>



	<script ="text/babel">
	const svg = d3.select("#chart").select("svg");
	const grid = svg.append("g").classed("grid", true);
	const plot = svg.append("g").classed("plot", true);
	const axis = svg.append("g").classed("axis", true);
	const yScale = d3.scaleLinear().domain([100, 0]);
	const xScale = d3.scaleTime().domain([new Date(2016,1,1), new Date(2018,1,1)])

	const yearFormat = d3.timeFormat("%Y年");
	const monthFormat = d3.timeFormat("%m月");

	render();

	function render(){
	const m = {top:40, left:80, right:40, bottom:40};
	const w = svg.node().clientWidth \|\| svg.node().parentNode.clientWidth;
	const h = svg.node().clientHeight \|\| svg.node().parentNode.clientHeight;
	const pw = w - (m.left + m.right);
	const ph = h - (m.top + m.bottom);

	const breakpoint = 480; //スマートフォン用のブレイクポイント


	yScale.range([0, ph]);
	xScale.range([0, pw]);

	//axis layer
	axis.attr("transform", `translate(${m.left}, ${m.top})`);

	//y axis
	const yAxisUpdate = axis.selectAll(".yAxis").data([null]);
	const yAxisEnter = yAxisUpdate.enter().append("g").classed("yAxis", true);

	const renderYAxis = d3.axisLeft().scale(yScale)
	.tickFormat( (d,i) => {
	if(i === 0) return `${d} (千万円)`;
	return d;
	});


	const yAxis = yAxisUpdate.merge(yAxisEnter).call(renderYAxis);

	yAxis.select(".domain").remove();
	yAxis.selectAll(".tick line").remove();


	//x axis
	const xAxisUpdate = axis.selectAll(".xAxis").data([null]);
	const xAxisEnter = xAxisUpdate.enter().append("g").classed("xAxis", true);

	const renderXAxis = d3.axisBottom().scale(xScale)
	.tickFormat(d => { //tick custom
	const year = yearFormat(d);
	const month = monthFormat(d).replace(/^0/, "");
	return (d.getMonth() == 0 && w > breakpoint) ? year + month: month; //１月の軸だけ年をつけて表示する
	});





	const xAxis = xAxisUpdate.merge(xAxisEnter).call(renderXAxis)
	.attr("transform", `translate(0, ${ph})`);

	xAxis.select(".domain").remove();
	xAxis.selectAll(".tick line").remove();


	//grid layer
	grid.attr("transform", "translate("+[m.left, m.top]+")");

	//y grid
	const yGridUpdate = grid.selectAll(".yGrid").data([null]);
	const yGridEnter = yGridUpdate.enter().append("g").classed("yGrid", true);

	const yGrid = yGridUpdate.merge(yGridEnter).call( d3.axisLeft().scale(yScale).tickSizeInner(-pw).tickFormat(()=>null) )

	yGrid.select(".domain").remove();


	}



	//divエレメントをドラッグでリサイズできるようにする。
	const dispatch = d3.dispatch("resize");
	dispatch.on("resize", render);
	setResizeControler();


	function setResizeControler(){
	const drag = d3.drag()
	.on("drag", resized)

	d3.select("#chart")
	.call(drag);

	function resized(e){
	const s = d3.event.sourceEvent;
	const w = (s.pageX < 300) ? 300 : s.pageX;
	const h = (s.pageY < 200) ? 200 : s.pageY;

	d3.select(this)
	.style("width", `${w}px`)
	.style("height", `${h}px`)
	.attr("data-test", "test")

	dispatch.call("resize");

	}

	}



	</script>


	</body>
	</html>