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d3js-bar-chart.js
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/**
* Datart
*
* Copyright 2021
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* 本图表插件基于 **1.0.0-beta.1** 开发
* !使用了dHelper提供的工具函数
* !使用了es6+
* 接入使用时 请核对版本后使用
*/
function D3JSBarChart({ dHelper }) {
const icon =
'<svg t="1646573481958" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="12623" width="200" height="200"><path d="M896 853.333333H170.666667v-85.333333h128a42.666667 42.666667 0 0 0 0-85.333333H170.666667v-85.333334h298.666666a42.666667 42.666667 0 0 0 0-85.333333H170.666667v-85.333333h469.333333a42.666667 42.666667 0 0 0 0-85.333334H170.666667V256h640a42.666667 42.666667 0 0 0 0-85.333333H170.666667V128a42.666667 42.666667 0 0 0-85.333334 0v768a42.666667 42.666667 0 0 0 42.666667 42.666667h768a42.666667 42.666667 0 0 0 0-85.333334z" p-id="12624"></path></svg>';
const MARGIN_VALUE = 24;
return {
config: {
datas: [
{
label: 'dimension',
key: 'dimension',
required: true,
type: 'group',
limit: 1,
actions: {
NUMERIC: ['colorize'],
STRING: ['colorize'],
DATE: ['colorize'],
},
},
{
label: 'metrics',
key: 'metrics',
type: 'aggregate',
required: true,
limit: 1,
actions: {
NUMERIC: ['format', 'aggregate'],
STRING: ['format', 'aggregate'],
DATE: ['format', 'aggregate'],
},
},
{
label: '@global@.datas.time',
key: 'time',
required: true,
type: 'group',
limit: 1,
actions: {
NUMERIC: [],
STRING: [],
DATE: [],
},
},
],
styles: [
{
label: 'base.title',
key: 'base',
comType: 'group',
rows: [
{
label: 'base.barSize',
key: 'barSize',
default: 48,
comType: 'inputNumber',
},
{
label: 'base.barCountOfAuto',
key: 'barCountOfAuto',
default: true,
comType: 'checkbox',
},
{
label: 'base.barCount',
key: 'barCount',
options: {
min: 2,
max: 100,
},
default: 6,
watcher: {
deps: ['barCountOfAuto'],
action: props => {
return {
disabled: props.barCountOfAuto,
};
},
},
comType: 'inputNumber',
},
],
},
{
label: 'margin.title',
key: 'margin',
comType: 'group',
rows: [
{
label: 'margin.marginTop',
key: 'marginTop',
default: MARGIN_VALUE,
comType: 'inputNumber',
},
{
label: 'margin.marginRight',
key: 'marginRight',
default: MARGIN_VALUE,
comType: 'inputNumber',
},
{
label: 'margin.marginBottom',
key: 'marginBottom',
default: MARGIN_VALUE,
comType: 'inputNumber',
},
{
label: 'margin.marginLeft',
key: 'marginLeft',
default: MARGIN_VALUE,
comType: 'inputNumber',
},
],
},
{
label: 'labels.title',
key: 'labels',
comType: 'group',
rows: [
{
label: 'common.fontColor',
key: 'fontColor',
default: '#000',
comType: 'fontColor',
},
{
label: 'labels.mode',
key: 'labelsMode',
comType: 'select',
default: 'bars',
options: {
items: [
// TODO @Datart 国际化无效
{ label: 'in axis', value: 'axis' },
{ label: 'on bars', value: 'bars' },
],
},
},
{
label: 'labels.size',
key: 'fontSize',
comType: 'inputNumber',
default: 12,
},
],
},
{
label: 'animation.title',
key: 'animation',
comType: 'group',
rows: [
{
label: 'animation.loopPlay',
key: 'loopPlay',
default: false,
comType: 'checkbox',
},
{
label: 'animation.loopPlaySpacing',
key: 'loopPlaySpacing',
default: 1000,
comType: 'inputNumber',
options: {
min: 0,
},
watcher: {
deps: ['loopPlay'],
action: props => {
return {
disabled: !props.loopPlay,
};
},
},
},
{
label: 'animation.tickerChangeDuration',
key: 'tickerChangeDuration',
comType: 'inputNumber',
options: {
min: 250,
},
default: 1000,
},
{
label: 'animation.barRaceDuration',
key: 'barRaceDuration',
comType: 'inputNumber',
options: {
min: 250,
},
default: 250,
},
],
},
{
label: 'ticker.title',
key: 'ticker',
comType: 'group',
rows: [
{
label: 'ticker.format',
key: 'tickerFormat',
default: '%Y',
comType: 'select',
options: {
items: [
// TODO @Datart 国际化无效
{ label: '年', value: '%Y' },
{ label: '年-月', value: '%Y-%m' },
{ label: '年-月-日', value: '%Y-%m-%d' },
{ label: '年-月-日 时', value: '%Y-%m-%d %H' },
{ label: '年-月-日 时:分', value: '%Y-%m-%d %H:%M' },
{ label: '年-月-日 时:分:秒', value: '%Y-%m-%d %H:%M:%S' },
],
},
},
{
label: 'common.fontColor',
key: 'fontColor',
default: '#000',
comType: 'fontColor',
},
{
label: 'common.fontSize',
key: 'fontSize',
comType: 'fontSize',
default: 48,
},
{
label: 'common.fontFamily',
key: 'fontFamily',
comType: 'fontFamily',
default:
'-apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"',
},
{
label: 'common.fontWeight',
key: 'fontWeight',
comType: 'select',
default: 'normal',
options: {
items: [
// TODO @Datart 国际化无效
// { label: 'common.normal', value: 'normal' },
{ label: 'normal', value: 'normal' },
{ label: 'bold', value: 'bold' },
],
},
},
{
label: 'common.fontStyle',
key: 'fontStyle',
comType: 'select',
default: 'normal',
options: {
items: [
{ label: 'normal', value: 'normal' },
{ label: 'italic', value: 'italic' },
],
},
},
],
},
],
settings: [
{
label: 'viz.palette.setting.paging.title',
key: 'paging',
comType: 'group',
rows: [
{
label: 'viz.palette.setting.paging.pageSize',
key: 'pageSize',
default: 1000,
comType: 'inputNumber',
options: {
needRefresh: true,
step: 1,
min: 0,
},
},
],
},
],
i18ns: [
{
lang: 'zh-CN',
translation: {
chartName: '[Extend] 柱状竞赛图',
common: {
fontColor: '字体颜色',
fontSize: '字体大小',
fontFamily: '字体类型',
fontWeight: '字体加粗',
fontStyle: '字体风格',
normal: '默认',
bold: '粗体',
italic: '斜体',
},
datas: {
time: '时间',
},
base: {
title: '基础设置',
barCountOfAuto: '柱子数量智能展示',
barCount: '柱子数量',
barSize: '柱子大小',
},
margin: {
title: '边距设置',
marginTop: '上边距',
marginRight: '右边距',
marginBottom: '下边距',
marginLeft: '左边距',
},
animation: {
title: '动画设置',
loopPlay: '循环播放',
loopPlaySpacing: '循环播放间隔时间(毫秒)',
tickerChangeDuration: '指示器变化时间(毫秒)',
barRaceDuration: '柱状赛跑动画过渡时间(毫秒)',
},
ticker: {
title: '指示器设置',
format: '时间格式',
},
labels: {
title: '标签设置',
mode: '展示模式',
size: '标签大小',
},
},
},
{
lang: 'en',
translation: {
chartName: '[Extend] Bar Chart Race',
common: {
fontColor: 'Font Color',
fontSize: 'Font Size',
fontFamily: 'Font Family',
fontWeight: 'Font Weight',
fontStyle: 'Font Style',
normal: 'Normal',
bold: 'Bold',
italic: 'Italic',
},
datas: {
time: 'Time',
},
base: {
title: 'Base Setting',
barCountOfAuto: 'Bar Count Of Auto',
barCount: 'Bar Count',
barSize: 'Bar Size',
},
margin: {
title: 'Margin Setting',
marginLeft: 'Margin Left',
marginRight: 'Margin Right',
},
animation: {
title: 'Animation Setting',
loopPlay: 'Loop Play',
loopPlaySpacing: 'Loop Play Spaing Time(ms)',
tickerChangeDuration: 'Ticker Change Duration Time(ms)',
barRaceDuration: 'Bar Race Duration Time(ms)',
},
ticker: {
title: 'Ticker Setting',
format: 'Time Format',
},
labels: {
title: 'Labels Setting',
mode: 'Show Mode',
size: 'Labels Size',
},
},
},
],
},
dependency: ['https://d3js.org/d3.v6.min.js'],
meta: {
id: 'bar-chart-race',
name: 'chartName',
icon,
requirements: [],
},
onResize(options, context) {
this.onUpdated(options, context);
},
onMount(options, context) {
if (!context.document && !context.window.d3) {
return;
}
this._container = context.document.getElementById(options.containerId);
this._d3 = context.window.d3;
this._transitionStatus = 'mount';
},
onUnMount() {
this.clearSvg();
},
onUpdated(options, context) {
if (!options.dataset || !options.dataset.columns || !options.config) {
return;
}
// 数据集不满足 不进行任何操作
if (!this.datasConfigVerify(options.config?.datas)) {
return;
}
// 更新样式配置相关
const style = this.getCurrentStyleValues(options.config);
this.updateStyleConfig(style, context);
// 更新数据配置相关
const data = this.getCurrentDataValues(options.dataset, options.config);
const { keyframes, prev, next, getDMFMapInfo, dimensionMap } = data;
// getDMFMapInfo信息挂载到全局 因为有很多地方要用到
this.getDMFMapInfo = getDMFMapInfo;
// 更新默认着色
this.setDefaultThemeColor(dimensionMap);
// 准备工作结束 演员和舞台就绪
const updateBars = this.renderBars(prev, next, this);
const updateAxis = this.getAxis(this);
const updateLabels = [];
if (style.labels.labelsMode === 'axis') {
updateLabels.push(this.renderAxisLabels(prev, next, this));
updateLabels.push(this.renderValueLabels(prev, next, this));
}
if (style.labels.labelsMode === 'bars') {
updateLabels.push(this.renderLabels(prev, next, this));
}
const updateTicker = this.getTicker(keyframes, this);
// 表演节目存储起来
this.runKeyframes = async (keyframeIndex = 0) => {
const kLength = keyframes.length;
for (; keyframeIndex < kLength; keyframeIndex++) {
// console.time('runKeyframe time is');
const keyframe = keyframes[keyframeIndex];
const transition = this.svg
.transition()
.duration(this._styleValues.animation.barRaceDuration)
.ease(this._d3.easeLinear);
this.x.domain([0, keyframe[1][0][getDMFMapInfo.metrics]]);
updateAxis(keyframe, transition);
updateBars(keyframe, transition);
updateLabels.forEach(u => u(keyframe, transition));
updateTicker(keyframe, transition);
await transition.end();
if (
this._transitionStatus !== 'play' &&
keyframeIndex < kLength - 1 &&
keyframe[2] === 'start'
) {
this._keyframeIndex = ++keyframeIndex;
break;
}
if (keyframeIndex === kLength - 1) {
this._transitionStatus = 'finish';
}
// console.timeEnd('runKeyframe time is');
}
if (
this._styleValues.animation.loopPlay &&
this._transitionStatus === 'finish'
) {
this.loopPlaySpacingTimer = this._d3.timeout(() => {
this._transitionStatus = 'play';
this.runKeyframes();
}, this._styleValues.animation.loopPlaySpacing);
}
};
// 开始表演
this._transitionStatus = 'play';
this.runKeyframes();
},
/** 开始动画 */
async runKeyframes() {
console.warn('no keyframes');
},
/** 初始化svg */
initSvgContainer() {
this.clearSvg();
const { margin, base, contextWidth, contextHeight } = this._styleValues;
const { marginLeft, marginRight, marginTop, marginBottom } = margin;
const { barCount, barSize } = base;
this.x = this._d3.scaleLinear(
[0, 1],
[marginLeft, contextWidth - marginRight],
);
this.y = this._d3
.scaleBand()
.domain(this._d3.range(barCount + 1))
.rangeRound([marginTop, marginTop + barSize * (barCount + 1 + 0.1)])
.padding(0.1);
this.svg = this._d3
.select(this._container)
.append('svg')
.attr('viewBox', [0, 0, contextWidth, contextHeight]);
},
/** 清空svg */
clearSvg() {
if (this.svg) {
this.svg.interrupt();
this.svg.remove();
}
if (this.loopPlaySpacingTimer) {
this.loopPlaySpacingTimer.stop();
}
},
/** 更新默认着色 */
setDefaultThemeColor(list) {
const colorList = dHelper.getDefaultThemeColor();
this.getDefaultThemeColor = Array.from(list).reduce(
(acc, item, index) => {
acc[item] = colorList[index % colorList.length];
return acc;
},
{},
);
},
/** 生成D3所需要的样式配置信息 */
getCurrentStyleValues(config) {
// 获取样式配置信息
const styleConfigs = config.styles;
// 获取style配置
// 这里没有使用解构是因为有些key是重名的，解构还需要重新命名
const base = dHelper.getStyles(
styleConfigs,
['base'],
['barCountOfAuto', 'barCount', 'barSize'],
);
const margin = dHelper.getStyles(
styleConfigs,
['margin'],
['marginLeft', 'marginRight', 'marginTop', 'marginBottom'],
);
const labels = dHelper.getStyles(
styleConfigs,
['labels'],
['fontColor', 'labelsMode', 'fontSize'],
);
const animation = dHelper.getStyles(
styleConfigs,
['animation'],
[
'barRaceDuration',
'tickerChangeDuration',
'loopPlay',
'loopPlaySpacing',
],
);
const ticker = dHelper.getStyles(
styleConfigs,
['ticker'],
[
'fontColor',
'fontSize',
'fontFamily',
'fontWeight',
'fontStyle',
'tickerFormat',
],
);
return {
base: {
barCountOfAuto: base[0],
barCount: base[1],
barSize: base[2],
},
margin: {
marginLeft: margin[0],
marginRight: margin[1],
marginTop: margin[2],
marginBottom: margin[3],
},
labels: {
fontColor: labels[0],
labelsMode: labels[1],
fontSize: labels[2],
},
animation: {
barRaceDuration: animation[0],
tickerChangeDuration: animation[1],
loopPlay: animation[2],
loopPlaySpacing: animation[3],
},
ticker: {
fontColor: ticker[0],
fontSize: ticker[1],
ticker: ticker[2],
fontWeight: ticker[3],
fontStyle: ticker[4],
tickerFormat: ticker[5],
},
};
},
/** 生成D3所需要的数据配置信息 */
getCurrentDataValues(dataset, config) {
// 当前服务端返回的数据集
const dataConfigs = config.datas;
// 获取 维度、指标、时间 配置信息
const getDMFMapInfo = dataConfigs.reduce((acc, config) => {
let value = null;
switch (config.key) {
case 'dimension':
value = config.rows?.[0] || {};
return {
...acc,
dimension: dHelper.getColumnRenderName(value),
dimensionConfig: value,
};
case 'metrics':
value = config.rows?.[0] || {};
return {
...acc,
metrics: dHelper.getColumnRenderName(value),
metricsConfig: value,
};
case 'time':
value = config.rows?.[0] || {};
return {
...acc,
time: dHelper.getColumnRenderName(value),
};
default:
return acc;
}
}, {});
// 数据转换
const chartDataSet = dHelper.transformToDataSet(
dataset.rows,
dataset.columns,
dataConfigs,
);
// const data = chartDataSet.map(row => {
// const object = row?.convertToCaseSensitiveObject();
// return {
// ...object,
// [getDMFMapInfo.metrics]: dHelper.toFormattedValue(
// object[getDMFMapInfo.metrics],
// getDMFMapInfo.metricsConfig?.format,
// ),
// };
// });
// TODO @Datart 配置开放不够灵活
// 对于指标的格式功能 可能我只想要”数值型“的格式方式 但是目前没有办法关闭其他选项
const data = chartDataSet.map(row => row?.convertToCaseSensitiveObject());
const { keyframes, dimensionMap } = this.getKeyframes(
data,
getDMFMapInfo,
);
const dimensionframes = this._d3.groups(
keyframes.flatMap(([, data]) => data),
d => d[getDMFMapInfo.dimension],
);
const prev = new Map(
dimensionframes.flatMap(([, data]) =>
this._d3.pairs(data, (a, b) => [b, a]),
),
);
const next = new Map(
dimensionframes.flatMap(([, data]) => this._d3.pairs(data)),
);
return {
keyframes,
prev,
next,
getDMFMapInfo,
dimensionMap,
};
},
/** 效验数据是否合法 */
datasConfigVerify(datas) {
if (!datas) {
return false;
}
return (
datas.reduce((acc, config) => {
switch (config.key) {
case 'dimension':
acc.add('dimension');
break;
case 'metrics':
acc.add('metrics');
break;
case 'time':
acc.add('time');
break;
default:
break;
}
return acc;
}, new Set()).size === 3
);
},
/** 柱状图数量智能计算 */
getComputedSectionStyle(style) {
const { base, margin, contextHeight } = style;
const { barCountOfAuto, barSize, barCount } = base;
const { marginTop, marginBottom } = margin;
if (barCountOfAuto) {
const bCount = Math.floor(
(contextHeight - marginTop - marginBottom) / barSize,
);
// 判断为0 避免在极小的视图情况下做无意义的计算
if (bCount > 0) {
style.base.barCount = bCount;
const marginOfAuto = Math.floor(
(contextHeight - bCount * barSize) / 2,
);
style.margin.marginTop = marginOfAuto;
style.margin.marginBottom = marginOfAuto;
}
} else {
// 因为不使用智能分析了 所以需要要把高度给撑开
const computedHeight = marginTop + barCount * barSize + marginBottom;
if (computedHeight > contextHeight) {
style.contextHeight = computedHeight;
}
}
},
/** 更新样式配置信息 */
updateStyleConfig(style, context) {
this._styleValues = style;
// 在styleValues中注入context的实际宽高
this._styleValues.contextWidth = context.width;
this._styleValues.contextHeight = context.height;
this.getComputedSectionStyle(this._styleValues);
this.initSvgContainer();
},
/** 获取d3动画信息 */
getKeyframes(data, getDMFMapInfo) {
const { base, animation } = this._styleValues;
const { dimension, metrics, time } = getDMFMapInfo;
const dimensionMap = new Set(data.map(d => d[dimension]));
// 将可迭代对象的值分组并减少到一个从键到值的InternMap中
// time => dimension => metrics
// key进行Date+asc排序
const timeValues = Array.from(
this._d3.rollup(
data,
([d]) => d[metrics],
d => d[time],
d => d[dimension],
),
)
.map(([date, data]) => [new Date(date), data])
.sort(([a], [b]) => this._d3.ascending(a, b));
function rank(value, d3, n) {
const r_data = Array.from(dimensionMap, name => ({
[dimension]: name,
[metrics]: value(name),
}));
r_data.sort((a, b) => d3.descending(a[metrics], b[metrics]));
// $_rank 特殊命名 防止冲突
for (let i = 0; i < r_data.length; ++i)
r_data[i].$_rank = Math.min(n, i);
return r_data;
}
// oiling是做什么的？
// 举个例子 现在time有10个数值，从2000年到2010年
// 在只设置了柱状竞赛动画过渡时间(300ms)的情况下
// 整个竞赛的时长只有300ms * 10 3秒就结束了
// 所以需要一个可以控制每个time过渡时间的变量
const oiling = Math.round(
animation.tickerChangeDuration / animation.barRaceDuration,
);
const keyframes = [];
let prevTime, pTimeValues, nextTime, nTimeValues;
for ([[prevTime, pTimeValues], [nextTime, nTimeValues]] of this._d3.pairs(
timeValues,
)) {
for (let i = 0; i < oiling; ++i) {
const oilingVariable = i / oiling;
keyframes.push([
// new Date(
// prevTime * (1 - oilingVariable) + nextTime * oilingVariable,
// ),
new Date(prevTime),
rank(
name =>
(pTimeValues.get(name) || 0) * (1 - oilingVariable) +
(nTimeValues.get(name) || 0) * oilingVariable,
this._d3,
base.barCount,
),
// 时间段进行标记
i === 0 ? 'start' : i === oiling - 1 ? 'end' : 'run',
]);
}
}
keyframes.push([
new Date(nextTime),
rank(
name => Number(nTimeValues.get(name)) || 0,
this._d3,
base.barCount,
),
]);
return { keyframes, dimensionMap };
},
/** 渲染bar颜色 */
getColor(that) {
let colors = that.getDefaultThemeColor;
const userSet = that.getDMFMapInfo.dimensionConfig?.color?.colors;
if (userSet) {
colors = userSet.reduce((acc, item) => {
acc[item.key] = item.value;
return acc;
}, {});
}
return d => {
return colors[d[that.getDMFMapInfo.dimension]];
};
},
/** 获取bars配置 */
renderBars(prev, next, that) {
let bar = that.svg.append('g').selectAll('rect');
const { base } = that._styleValues;
return ([_, data], transition) =>
(bar = bar
.data(
data.slice(0, base.barCount),
d => d[that.getDMFMapInfo.dimension],
)
.join(
enter =>
enter
.append('rect')
.attr('fill', that.getColor(that))
.attr('height', that.y.bandwidth())
.attr('x', that.x(0))
.attr('y', d => that.y((prev.get(d) || d).$_rank))
.attr(
'width',
d =>
that.x((prev.get(d) || d)[that.getDMFMapInfo.metrics]) -
that.x(0),
),
update => update,
exit =>
exit
.transition(transition)
.remove()
.attr('y', d => that.y((next.get(d) || d).$_rank))
.attr(
'width',
d =>
that.x((next.get(d) || d)[that.getDMFMapInfo.metrics]) -
that.x(0),
),
)
.call(g =>
g
.transition(transition)
.attr('y', d => that.y(d.$_rank))
.attr(
'width',
d => that.x(d[that.getDMFMapInfo.metrics]) - that.x(0),
),
));
},
/** 格式化文本 */
getTextTween(a, b, that) {
const type = that.getDMFMapInfo.metricsConfig?.format?.type;
let format = null;
if (type === 'numeric') {
format = that.getDMFMapInfo.metricsConfig.format[type];
}
const i = that._d3.interpolateNumber(a, b);
return function (t) {
if (format) {
this.textContent =
(format.prefix || '') +
that._d3.format(
`${format.useThousandSeparator ? ',' : ''}.${
format.decimalPlaces || 0
}f`,
)(i(t)) +
(format.suffix || '');
} else {
this.textContent = that._d3.format(',d')(i(t));
}
};
},
/** 获取labels配置 */
renderLabels(prev, next, that) {
const { base, labels } = that._styleValues;
let label = that.svg
.append('g')
.style('font-weight', 'bold')
.style('font-size', labels.fontSize)
.style('fill', labels.fontColor)
.style('text-anchor', 'end')
.selectAll('text');
return ([_, data], transition) =>
(label = label
.data(
data.slice(0, base.barCount),
d => d[that.getDMFMapInfo.dimension],
)
.join(
enter =>
enter
.append('text')
.attr(
'transform',
d =>
`translate(${that.x(
(prev.get(d) || d)[that.getDMFMapInfo.metrics],
)},${that.y((prev.get(d) || d).$_rank)})`,
)
.attr('y', that.y.bandwidth() / 2)
.attr('x', -6)
.attr('dy', '-0.25em')
.text(d => d[that.getDMFMapInfo.dimension])
.call(text =>
text
.append('tspan')
.attr('fill-opacity', 0.7)
.attr('font-weight', 'normal')
.attr('x', -6)
.attr('dy', '1.15em'),
),