md`# Emoji waffle
you can copy eomji by click it
`
html`<div id="container" style="height:500px;"></div>`
plot.on('element:click', (event) => {
const emoji = event.data?.data?.emoji;
copyToClipboard(emoji);
});
plot.render()
plot = new G2Plot.Scatter("container", {
appendPadding: [10, 24, 10, 24],
data: waffleData,
xField: "x",
yField: "y",
colorField: "name",
shapeField: "name",
size: ({ percentage }) => Math.max(percentage, 0.5) * 10,
tooltip: { showCrosshairs: false, fields: ["name", "value"] },
xAxis: false,
yAxis: false,
rawFields: ["percentage"],
shape: ({ name }) => {
return name;
}, // 根据具体的字段指定 shape
pointStyle: ({ name }) => {
return {
lineWidth: name ? 1 : 0
};
},
legend: {
marker: {
spacing: 0
},
itemName: {
formatter: (text, item, idx) => {
return data[idx].emojiCode
? String.fromCodePoint(parseInt(data[idx].emojiCode, 16))
: "";
}
},
itemValue: {
formatter: (text) => {
return text;
},
style: {
fill: "rgba(0,0,0,0.65)"
}
},
itemStates: {
unchecked: {
nameStyle: {
fillOpacity: 0.45
},
valueStyle: {
fillOpacity: 0.45
}
}
}
},
state: {
active: {
style: {
shadowColor: "rgba(100, 100,100, 0.25)",
shadowBlur: 15
}
}
},
interactions: [
{
type: "element-active",
cfg: {
start: [
{
trigger: "element:mouseenter",
action: ["cursor:pointer", "element-active:active"]
}
],
end: [
{
trigger: "element:mouseleave",
action: ["cursor:default", "element-active:reset"]
}
]
}
}
]
})
waffleData = generateWaffleData()
function generateWaffleData() {
const waffleData= [];
const step = data.reduce((a, b) => a + b.value, 0) / (rows * cols);
let idx = 0;
let weight = 0;
for (let col = 0; col < cols + 1; col++) {
for (let row = 0; row < rows; row++) {
if (idx > data.length) {
break;
}
waffleData.push({
...data[idx],
y: `${row}`,
x: `${col}`,
percentage: Math.min((data[idx]?.value - weight) / step, 1),
});
weight += step;
if (weight >= data[idx]?.value) {
idx += 1;
// 重置
weight = 0;
}
}
}
return waffleData;
}
cols = rows * ratio;
rows = 10;
ratio = box.width / box.height;
box = document.getElementById('container')?.getBoundingClientRect() || { width: 800, height: 500 };
function copyToClipboard(text) {
var dummy = document.createElement("input");
document.body.appendChild(dummy);
dummy.setAttribute("value", text);
dummy.select();
const result = document.execCommand("copy");
document.body.removeChild(dummy);
if (result) {
window.alert(`复制 ${text} 成功`);
}
}
data.forEach((d) => {
if (d.emojiCode) {
registeEmoji(d.name, d.emojiCode);
}
});
function registeEmoji(name, emojiCode) {
G2Plot.G2.registerShape('point', name, {
draw(cfg, container) {
const { x, y, size, color: fill } = cfg;
const fontSize = size * 2;
return container.addShape('text', {
attrs: {
...cfg?.style,
text: String.fromCodePoint(parseInt(emojiCode, 16)),
x: x - fontSize / 2,
y: y + fontSize / 2 + 1,
fill,
fontSize,
},
});
},
getMarker() {
return { symbol: 'circle', style: { lineWidth: 0, r: 0 } };
},
});
}
data = generateData(dv)
function generateData(dataView) {
const data = [];
const keys = Object.keys(dataView.rows);
keys.forEach((k) => {
const values = dataView.rows[k];
const v = values[0];
data.push({ ...v, value: values.length, name: v.d, emojiCode: v.d });
});
return data;
}
dv.transform({
type: 'partition',
groupBy: ['emoji'], // 以year字段进行分组
});
dv = new DataSet.DataView().source(result);
result = FileAttachment("emoji-data.json").json()
DataSet = require('@antv/data-set')
G2Plot = require('@antv/g2plot')
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