1963 lines
57 KiB
JavaScript
1963 lines
57 KiB
JavaScript
var Gantt = (function () {
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'use strict';
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const YEAR = 'year';
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const MONTH = 'month';
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const DAY = 'day';
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const HOUR = 'hour';
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const MINUTE = 'minute';
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const SECOND = 'second';
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const MILLISECOND = 'millisecond';
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const month_names = {
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en: [
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'January',
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'February',
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'March',
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'April',
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'May',
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'June',
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'July',
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'August',
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'September',
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'October',
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'November',
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'December'
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],
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es: [
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'Enero',
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'Febrero',
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'Marzo',
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'Abril',
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'Mayo',
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'Junio',
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'Julio',
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'Agosto',
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'Septiembre',
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'Octubre',
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'Noviembre',
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'Diciembre'
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],
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ru: [
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'Январь',
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'Февраль',
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'Март',
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'Апрель',
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'Май',
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'Июнь',
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'Июль',
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'Август',
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'Сентябрь',
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'Октябрь',
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'Ноябрь',
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'Декабрь'
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],
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ptBr: [
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'Janeiro',
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'Fevereiro',
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'Março',
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'Abril',
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'Maio',
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'Junho',
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'Julho',
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'Agosto',
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'Setembro',
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'Outubro',
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'Novembro',
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'Dezembro'
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],
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fr: [
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'Janvier',
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'Février',
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'Mars',
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'Avril',
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'Mai',
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'Juin',
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'Juillet',
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'Août',
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'Septembre',
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'Octobre',
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'Novembre',
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'Décembre'
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],
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tr: [
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'Ocak',
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'Şubat',
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'Mart',
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'Nisan',
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'Mayıs',
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'Haziran',
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'Temmuz',
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'Ağustos',
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'Eylül',
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'Ekim',
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'Kasım',
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'Aralık'
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],
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zh: [
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'一月',
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'二月',
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'三月',
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'四月',
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'五月',
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'六月',
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'七月',
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'八月',
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'九月',
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'十月',
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'十一月',
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'十二月'
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]
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};
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var date_utils = {
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parse(date, date_separator = '-', time_separator = /[.:]/) {
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if (date instanceof Date) {
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return date;
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}
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if (typeof date === 'string') {
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let date_parts, time_parts;
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const parts = date.split(' ');
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date_parts = parts[0]
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.split(date_separator)
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.map(val => parseInt(val, 10));
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time_parts = parts[1] && parts[1].split(time_separator);
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// month is 0 indexed
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date_parts[1] = date_parts[1] - 1;
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let vals = date_parts;
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if (time_parts && time_parts.length) {
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if (time_parts.length == 4) {
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time_parts[3] = '0.' + time_parts[3];
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time_parts[3] = parseFloat(time_parts[3]) * 1000;
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}
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vals = vals.concat(time_parts);
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}
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return new Date(...vals);
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}
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},
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to_string(date, with_time = false) {
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if (!(date instanceof Date)) {
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throw new TypeError('Invalid argument type');
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}
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const vals = this.get_date_values(date).map((val, i) => {
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if (i === 1) {
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// add 1 for month
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val = val + 1;
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}
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if (i === 6) {
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return padStart(val + '', 3, '0');
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}
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return padStart(val + '', 2, '0');
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});
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const date_string = `${vals[0]}-${vals[1]}-${vals[2]}`;
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const time_string = `${vals[3]}:${vals[4]}:${vals[5]}.${vals[6]}`;
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return date_string + (with_time ? ' ' + time_string : '');
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},
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format(date, format_string = 'YYYY-MM-DD HH:mm:ss.SSS', lang = 'en') {
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const values = this.get_date_values(date).map(d => padStart(d, 2, 0));
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const format_map = {
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YYYY: values[0],
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MM: padStart(+values[1] + 1, 2, 0),
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DD: values[2],
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HH: values[3],
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mm: values[4],
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ss: values[5],
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SSS:values[6],
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D: values[2],
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MMMM: month_names[lang][+values[1]],
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MMM: month_names[lang][+values[1]]
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};
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let str = format_string;
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const formatted_values = [];
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Object.keys(format_map)
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.sort((a, b) => b.length - a.length) // big string first
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.forEach(key => {
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if (str.includes(key)) {
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str = str.replace(key, `$${formatted_values.length}`);
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formatted_values.push(format_map[key]);
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}
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});
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formatted_values.forEach((value, i) => {
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str = str.replace(`$${i}`, value);
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});
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return str;
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},
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diff(date_a, date_b, scale = DAY) {
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let milliseconds, seconds, hours, minutes, days, months, years;
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milliseconds = date_a - date_b;
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seconds = milliseconds / 1000;
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minutes = seconds / 60;
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hours = minutes / 60;
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days = hours / 24;
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months = days / 30;
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years = months / 12;
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if (!scale.endsWith('s')) {
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scale += 's';
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}
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return Math.floor(
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{
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milliseconds,
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seconds,
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minutes,
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hours,
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days,
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months,
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years
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}[scale]
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);
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},
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today() {
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const vals = this.get_date_values(new Date()).slice(0, 3);
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return new Date(...vals);
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},
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now() {
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return new Date();
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},
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add(date, qty, scale) {
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qty = parseInt(qty, 10);
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const vals = [
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date.getFullYear() + (scale === YEAR ? qty : 0),
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date.getMonth() + (scale === MONTH ? qty : 0),
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date.getDate() + (scale === DAY ? qty : 0),
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date.getHours() + (scale === HOUR ? qty : 0),
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date.getMinutes() + (scale === MINUTE ? qty : 0),
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date.getSeconds() + (scale === SECOND ? qty : 0),
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date.getMilliseconds() + (scale === MILLISECOND ? qty : 0)
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];
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return new Date(...vals);
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},
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start_of(date, scale) {
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const scores = {
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[YEAR]: 6,
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[MONTH]: 5,
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[DAY]: 4,
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[HOUR]: 3,
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[MINUTE]: 2,
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[SECOND]: 1,
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[MILLISECOND]: 0
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};
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function should_reset(_scale) {
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const max_score = scores[scale];
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return scores[_scale] <= max_score;
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}
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const vals = [
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date.getFullYear(),
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should_reset(YEAR) ? 0 : date.getMonth(),
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should_reset(MONTH) ? 1 : date.getDate(),
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should_reset(DAY) ? 0 : date.getHours(),
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should_reset(HOUR) ? 0 : date.getMinutes(),
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should_reset(MINUTE) ? 0 : date.getSeconds(),
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should_reset(SECOND) ? 0 : date.getMilliseconds()
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];
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return new Date(...vals);
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},
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clone(date) {
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return new Date(...this.get_date_values(date));
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},
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get_date_values(date) {
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return [
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date.getFullYear(),
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date.getMonth(),
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date.getDate(),
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date.getHours(),
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date.getMinutes(),
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date.getSeconds(),
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date.getMilliseconds()
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];
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},
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get_days_in_month(date) {
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const no_of_days = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
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const month = date.getMonth();
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if (month !== 1) {
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return no_of_days[month];
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}
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// Feb
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const year = date.getFullYear();
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if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) {
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return 29;
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}
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return 28;
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}
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};
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// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padStart
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function padStart(str, targetLength, padString) {
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str = str + '';
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targetLength = targetLength >> 0;
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padString = String(typeof padString !== 'undefined' ? padString : ' ');
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if (str.length > targetLength) {
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return String(str);
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} else {
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targetLength = targetLength - str.length;
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if (targetLength > padString.length) {
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padString += padString.repeat(targetLength / padString.length);
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}
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return padString.slice(0, targetLength) + String(str);
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}
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}
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function $(expr, con) {
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return typeof expr === 'string'
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? (con || document).querySelector(expr)
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: expr || null;
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}
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function createSVG(tag, attrs) {
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const elem = document.createElementNS('http://www.w3.org/2000/svg', tag);
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for (let attr in attrs) {
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if (attr === 'append_to') {
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const parent = attrs.append_to;
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parent.appendChild(elem);
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} else if (attr === 'innerHTML') {
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elem.innerHTML = attrs.innerHTML;
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} else {
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elem.setAttribute(attr, attrs[attr]);
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}
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}
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return elem;
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}
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function animateSVG(svgElement, attr, from, to) {
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const animatedSvgElement = getAnimationElement(svgElement, attr, from, to);
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if (animatedSvgElement === svgElement) {
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// triggered 2nd time programmatically
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// trigger artificial click event
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const event = document.createEvent('HTMLEvents');
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event.initEvent('click', true, true);
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event.eventName = 'click';
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animatedSvgElement.dispatchEvent(event);
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}
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}
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function getAnimationElement(
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svgElement,
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attr,
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from,
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to,
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dur = '0.4s',
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begin = '0.1s'
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) {
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const animEl = svgElement.querySelector('animate');
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if (animEl) {
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$.attr(animEl, {
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attributeName: attr,
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from,
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to,
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dur,
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begin: 'click + ' + begin // artificial click
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});
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return svgElement;
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}
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const animateElement = createSVG('animate', {
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attributeName: attr,
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from,
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to,
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dur,
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begin,
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calcMode: 'spline',
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values: from + ';' + to,
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keyTimes: '0; 1',
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keySplines: cubic_bezier('ease-out')
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});
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svgElement.appendChild(animateElement);
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return svgElement;
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}
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function cubic_bezier(name) {
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return {
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ease: '.25 .1 .25 1',
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linear: '0 0 1 1',
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'ease-in': '.42 0 1 1',
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'ease-out': '0 0 .58 1',
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'ease-in-out': '.42 0 .58 1'
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}[name];
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}
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$.on = (element, event, selector, callback) => {
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if (!callback) {
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callback = selector;
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$.bind(element, event, callback);
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} else {
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$.delegate(element, event, selector, callback);
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}
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};
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$.off = (element, event, handler) => {
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element.removeEventListener(event, handler);
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};
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$.bind = (element, event, callback) => {
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event.split(/\s+/).forEach(function(event) {
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element.addEventListener(event, callback);
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});
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};
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$.delegate = (element, event, selector, callback) => {
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element.addEventListener(event, function(e) {
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const delegatedTarget = e.target.closest(selector);
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if (delegatedTarget) {
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e.delegatedTarget = delegatedTarget;
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callback.call(this, e, delegatedTarget);
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}
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});
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};
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$.closest = (selector, element) => {
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if (!element) return null;
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if (element.matches(selector)) {
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return element;
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}
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return $.closest(selector, element.parentNode);
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};
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$.attr = (element, attr, value) => {
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if (!value && typeof attr === 'string') {
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return element.getAttribute(attr);
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}
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if (typeof attr === 'object') {
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for (let key in attr) {
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$.attr(element, key, attr[key]);
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}
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return;
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}
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element.setAttribute(attr, value);
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};
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class Bar {
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constructor(gantt, task) {
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this.set_defaults(gantt, task);
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this.prepare();
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this.draw();
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this.bind();
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}
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set_defaults(gantt, task) {
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this.action_completed = false;
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this.gantt = gantt;
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this.task = task;
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}
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prepare() {
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this.prepare_values();
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this.prepare_helpers();
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}
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prepare_values() {
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this.invalid = this.task.invalid;
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this.height = this.gantt.options.bar_height;
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this.x = this.compute_x();
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this.y = this.compute_y();
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this.corner_radius = this.gantt.options.bar_corner_radius;
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this.duration =
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date_utils.diff(this.task._end, this.task._start, 'hour') /
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this.gantt.options.step;
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this.width = this.gantt.options.column_width * this.duration;
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this.progress_width =
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this.gantt.options.column_width *
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this.duration *
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(this.task.progress / 100) || 0;
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this.group = createSVG('g', {
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class: 'bar-wrapper ' + (this.task.custom_class || ''),
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'data-id': this.task.id
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});
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this.bar_group = createSVG('g', {
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class: 'bar-group',
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append_to: this.group
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});
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this.handle_group = createSVG('g', {
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class: 'handle-group',
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append_to: this.group
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});
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}
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prepare_helpers() {
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SVGElement.prototype.getX = function() {
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return +this.getAttribute('x');
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};
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SVGElement.prototype.getY = function() {
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return +this.getAttribute('y');
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};
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SVGElement.prototype.getWidth = function() {
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return +this.getAttribute('width');
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};
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SVGElement.prototype.getHeight = function() {
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return +this.getAttribute('height');
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};
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SVGElement.prototype.getEndX = function() {
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return this.getX() + this.getWidth();
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};
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}
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draw() {
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this.draw_bar();
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this.draw_progress_bar();
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this.draw_label();
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this.draw_resize_handles();
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}
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draw_bar() {
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this.$bar = createSVG('rect', {
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x: this.x,
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y: this.y,
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width: this.width,
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height: this.height,
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rx: this.corner_radius,
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ry: this.corner_radius,
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class: 'bar',
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append_to: this.bar_group
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});
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animateSVG(this.$bar, 'width', 0, this.width);
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if (this.invalid) {
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this.$bar.classList.add('bar-invalid');
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}
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}
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draw_progress_bar() {
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if (this.invalid) return;
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this.$bar_progress = createSVG('rect', {
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x: this.x,
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y: this.y,
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width: this.progress_width,
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height: this.height,
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rx: this.corner_radius,
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ry: this.corner_radius,
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class: 'bar-progress',
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append_to: this.bar_group
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});
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animateSVG(this.$bar_progress, 'width', 0, this.progress_width);
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}
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draw_label() {
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createSVG('text', {
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x: this.x + this.width / 2,
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y: this.y + this.height / 2,
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innerHTML: this.task.name,
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class: 'bar-label',
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append_to: this.bar_group
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});
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// labels get BBox in the next tick
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requestAnimationFrame(() => this.update_label_position());
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}
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draw_resize_handles() {
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if (this.invalid) return;
|
||
|
||
const bar = this.$bar;
|
||
const handle_width = 8;
|
||
|
||
createSVG('rect', {
|
||
x: bar.getX() + bar.getWidth() - 9,
|
||
y: bar.getY() + 1,
|
||
width: handle_width,
|
||
height: this.height - 2,
|
||
rx: this.corner_radius,
|
||
ry: this.corner_radius,
|
||
class: 'handle right',
|
||
append_to: this.handle_group
|
||
});
|
||
|
||
createSVG('rect', {
|
||
x: bar.getX() + 1,
|
||
y: bar.getY() + 1,
|
||
width: handle_width,
|
||
height: this.height - 2,
|
||
rx: this.corner_radius,
|
||
ry: this.corner_radius,
|
||
class: 'handle left',
|
||
append_to: this.handle_group
|
||
});
|
||
|
||
if (this.task.progress && this.task.progress < 100) {
|
||
this.$handle_progress = createSVG('polygon', {
|
||
points: this.get_progress_polygon_points().join(','),
|
||
class: 'handle progress',
|
||
append_to: this.handle_group
|
||
});
|
||
}
|
||
}
|
||
|
||
get_progress_polygon_points() {
|
||
const bar_progress = this.$bar_progress;
|
||
return [
|
||
bar_progress.getEndX() - 5,
|
||
bar_progress.getY() + bar_progress.getHeight(),
|
||
bar_progress.getEndX() + 5,
|
||
bar_progress.getY() + bar_progress.getHeight(),
|
||
bar_progress.getEndX(),
|
||
bar_progress.getY() + bar_progress.getHeight() - 8.66
|
||
];
|
||
}
|
||
|
||
bind() {
|
||
if (this.invalid) return;
|
||
this.setup_click_event();
|
||
}
|
||
|
||
setup_click_event() {
|
||
$.on(this.group, 'focus ' + this.gantt.options.popup_trigger, e => {
|
||
if (this.action_completed) {
|
||
// just finished a move action, wait for a few seconds
|
||
return;
|
||
}
|
||
|
||
this.show_popup();
|
||
this.gantt.unselect_all();
|
||
this.group.classList.add('active');
|
||
});
|
||
|
||
$.on(this.group, 'dblclick', e => {
|
||
if (this.action_completed) {
|
||
// just finished a move action, wait for a few seconds
|
||
return;
|
||
}
|
||
|
||
this.gantt.trigger_event('click', [this.task]);
|
||
});
|
||
}
|
||
|
||
show_popup() {
|
||
if (this.gantt.bar_being_dragged) return;
|
||
|
||
const start_date = date_utils.format(this.task._start, 'MMM D', this.gantt.options.language);
|
||
const end_date = date_utils.format(
|
||
date_utils.add(this.task._end, -1, 'second'),
|
||
'MMM D',
|
||
this.gantt.options.language
|
||
);
|
||
const subtitle = start_date + ' - ' + end_date;
|
||
|
||
this.gantt.show_popup({
|
||
target_element: this.$bar,
|
||
title: this.task.name,
|
||
subtitle: subtitle,
|
||
task: this.task,
|
||
});
|
||
}
|
||
|
||
update_bar_position({ x = null, width = null }) {
|
||
const bar = this.$bar;
|
||
if (x) {
|
||
// get all x values of parent task
|
||
const xs = this.task.dependencies.map(dep => {
|
||
return this.gantt.get_bar(dep).$bar.getX();
|
||
});
|
||
// child task must not go before parent
|
||
const valid_x = xs.reduce((prev, curr) => {
|
||
return x >= curr;
|
||
}, x);
|
||
if (!valid_x) {
|
||
width = null;
|
||
return;
|
||
}
|
||
this.update_attr(bar, 'x', x);
|
||
}
|
||
if (width && width >= this.gantt.options.column_width) {
|
||
this.update_attr(bar, 'width', width);
|
||
}
|
||
this.update_label_position();
|
||
this.update_handle_position();
|
||
this.update_progressbar_position();
|
||
this.update_arrow_position();
|
||
}
|
||
|
||
date_changed() {
|
||
let changed = false;
|
||
const { new_start_date, new_end_date } = this.compute_start_end_date();
|
||
|
||
if (Number(this.task._start) !== Number(new_start_date)) {
|
||
changed = true;
|
||
this.task._start = new_start_date;
|
||
}
|
||
|
||
if (Number(this.task._end) !== Number(new_end_date)) {
|
||
changed = true;
|
||
this.task._end = new_end_date;
|
||
}
|
||
|
||
if (!changed) return;
|
||
|
||
this.gantt.trigger_event('date_change', [
|
||
this.task,
|
||
new_start_date,
|
||
date_utils.add(new_end_date, -1, 'second')
|
||
]);
|
||
}
|
||
|
||
progress_changed() {
|
||
const new_progress = this.compute_progress();
|
||
this.task.progress = new_progress;
|
||
this.gantt.trigger_event('progress_change', [this.task, new_progress]);
|
||
}
|
||
|
||
set_action_completed() {
|
||
this.action_completed = true;
|
||
setTimeout(() => (this.action_completed = false), 1000);
|
||
}
|
||
|
||
compute_start_end_date() {
|
||
const bar = this.$bar;
|
||
const x_in_units = bar.getX() / this.gantt.options.column_width;
|
||
const new_start_date = date_utils.add(
|
||
this.gantt.gantt_start,
|
||
x_in_units * this.gantt.options.step,
|
||
'hour'
|
||
);
|
||
const width_in_units = bar.getWidth() / this.gantt.options.column_width;
|
||
const new_end_date = date_utils.add(
|
||
new_start_date,
|
||
width_in_units * this.gantt.options.step,
|
||
'hour'
|
||
);
|
||
|
||
return { new_start_date, new_end_date };
|
||
}
|
||
|
||
compute_progress() {
|
||
const progress =
|
||
this.$bar_progress.getWidth() / this.$bar.getWidth() * 100;
|
||
return parseInt(progress, 10);
|
||
}
|
||
|
||
compute_x() {
|
||
const { step, column_width } = this.gantt.options;
|
||
const task_start = this.task._start;
|
||
const gantt_start = this.gantt.gantt_start;
|
||
|
||
const diff = date_utils.diff(task_start, gantt_start, 'hour');
|
||
let x = diff / step * column_width;
|
||
|
||
if (this.gantt.view_is('Month')) {
|
||
const diff = date_utils.diff(task_start, gantt_start, 'day');
|
||
x = diff * column_width / 30;
|
||
}
|
||
return x;
|
||
}
|
||
|
||
compute_y() {
|
||
return (
|
||
this.gantt.options.header_height +
|
||
this.gantt.options.padding +
|
||
this.task._index * (this.height + this.gantt.options.padding)
|
||
);
|
||
}
|
||
|
||
get_snap_position(dx) {
|
||
let odx = dx,
|
||
rem,
|
||
position;
|
||
|
||
if (this.gantt.view_is('Week')) {
|
||
rem = dx % (this.gantt.options.column_width / 7);
|
||
position =
|
||
odx -
|
||
rem +
|
||
(rem < this.gantt.options.column_width / 14
|
||
? 0
|
||
: this.gantt.options.column_width / 7);
|
||
} else if (this.gantt.view_is('Month')) {
|
||
rem = dx % (this.gantt.options.column_width / 30);
|
||
position =
|
||
odx -
|
||
rem +
|
||
(rem < this.gantt.options.column_width / 60
|
||
? 0
|
||
: this.gantt.options.column_width / 30);
|
||
} else {
|
||
rem = dx % this.gantt.options.column_width;
|
||
position =
|
||
odx -
|
||
rem +
|
||
(rem < this.gantt.options.column_width / 2
|
||
? 0
|
||
: this.gantt.options.column_width);
|
||
}
|
||
return position;
|
||
}
|
||
|
||
update_attr(element, attr, value) {
|
||
value = +value;
|
||
if (!isNaN(value)) {
|
||
element.setAttribute(attr, value);
|
||
}
|
||
return element;
|
||
}
|
||
|
||
update_progressbar_position() {
|
||
this.$bar_progress.setAttribute('x', this.$bar.getX());
|
||
this.$bar_progress.setAttribute(
|
||
'width',
|
||
this.$bar.getWidth() * (this.task.progress / 100)
|
||
);
|
||
}
|
||
|
||
update_label_position() {
|
||
const bar = this.$bar,
|
||
label = this.group.querySelector('.bar-label');
|
||
|
||
if (label.getBBox().width > bar.getWidth()) {
|
||
label.classList.add('big');
|
||
label.setAttribute('x', bar.getX() + bar.getWidth() + 5);
|
||
} else {
|
||
label.classList.remove('big');
|
||
label.setAttribute('x', bar.getX() + bar.getWidth() / 2);
|
||
}
|
||
}
|
||
|
||
update_handle_position() {
|
||
const bar = this.$bar;
|
||
this.handle_group
|
||
.querySelector('.handle.left')
|
||
.setAttribute('x', bar.getX() + 1);
|
||
this.handle_group
|
||
.querySelector('.handle.right')
|
||
.setAttribute('x', bar.getEndX() - 9);
|
||
const handle = this.group.querySelector('.handle.progress');
|
||
handle &&
|
||
handle.setAttribute('points', this.get_progress_polygon_points());
|
||
}
|
||
|
||
update_arrow_position() {
|
||
this.arrows = this.arrows || [];
|
||
for (let arrow of this.arrows) {
|
||
arrow.update();
|
||
}
|
||
}
|
||
}
|
||
|
||
class Arrow {
|
||
constructor(gantt, from_task, to_task) {
|
||
this.gantt = gantt;
|
||
this.from_task = from_task;
|
||
this.to_task = to_task;
|
||
|
||
this.calculate_path();
|
||
this.draw();
|
||
}
|
||
|
||
calculate_path() {
|
||
let start_x =
|
||
this.from_task.$bar.getX() + this.from_task.$bar.getWidth() / 2;
|
||
|
||
const condition = () =>
|
||
this.to_task.$bar.getX() < start_x + this.gantt.options.padding &&
|
||
start_x > this.from_task.$bar.getX() + this.gantt.options.padding;
|
||
|
||
while (condition()) {
|
||
start_x -= 10;
|
||
}
|
||
|
||
const start_y =
|
||
this.gantt.options.header_height +
|
||
this.gantt.options.bar_height +
|
||
(this.gantt.options.padding + this.gantt.options.bar_height) *
|
||
this.from_task.task._index +
|
||
this.gantt.options.padding;
|
||
|
||
const end_x = this.to_task.$bar.getX() - this.gantt.options.padding / 2;
|
||
const end_y =
|
||
this.gantt.options.header_height +
|
||
this.gantt.options.bar_height / 2 +
|
||
(this.gantt.options.padding + this.gantt.options.bar_height) *
|
||
this.to_task.task._index +
|
||
this.gantt.options.padding;
|
||
|
||
const from_is_below_to =
|
||
this.from_task.task._index > this.to_task.task._index;
|
||
const curve = this.gantt.options.arrow_curve;
|
||
const clockwise = from_is_below_to ? 1 : 0;
|
||
const curve_y = from_is_below_to ? -curve : curve;
|
||
const offset = from_is_below_to
|
||
? end_y + this.gantt.options.arrow_curve
|
||
: end_y - this.gantt.options.arrow_curve;
|
||
|
||
this.path = `
|
||
M ${start_x} ${start_y}
|
||
V ${offset}
|
||
a ${curve} ${curve} 0 0 ${clockwise} ${curve} ${curve_y}
|
||
L ${end_x} ${end_y}
|
||
m -5 -5
|
||
l 5 5
|
||
l -5 5`;
|
||
|
||
if (
|
||
this.to_task.$bar.getX() <
|
||
this.from_task.$bar.getX() + this.gantt.options.padding
|
||
) {
|
||
const down_1 = this.gantt.options.padding / 2 - curve;
|
||
const down_2 =
|
||
this.to_task.$bar.getY() +
|
||
this.to_task.$bar.getHeight() / 2 -
|
||
curve_y;
|
||
const left = this.to_task.$bar.getX() - this.gantt.options.padding;
|
||
|
||
this.path = `
|
||
M ${start_x} ${start_y}
|
||
v ${down_1}
|
||
a ${curve} ${curve} 0 0 1 -${curve} ${curve}
|
||
H ${left}
|
||
a ${curve} ${curve} 0 0 ${clockwise} -${curve} ${curve_y}
|
||
V ${down_2}
|
||
a ${curve} ${curve} 0 0 ${clockwise} ${curve} ${curve_y}
|
||
L ${end_x} ${end_y}
|
||
m -5 -5
|
||
l 5 5
|
||
l -5 5`;
|
||
}
|
||
}
|
||
|
||
draw() {
|
||
this.element = createSVG('path', {
|
||
d: this.path,
|
||
'data-from': this.from_task.task.id,
|
||
'data-to': this.to_task.task.id
|
||
});
|
||
}
|
||
|
||
update() {
|
||
this.calculate_path();
|
||
this.element.setAttribute('d', this.path);
|
||
}
|
||
}
|
||
|
||
class Popup {
|
||
constructor(parent, custom_html) {
|
||
this.parent = parent;
|
||
this.custom_html = custom_html;
|
||
this.make();
|
||
}
|
||
|
||
make() {
|
||
this.parent.innerHTML = `
|
||
<div class="title"></div>
|
||
<div class="subtitle"></div>
|
||
<div class="pointer"></div>
|
||
`;
|
||
|
||
this.hide();
|
||
|
||
this.title = this.parent.querySelector('.title');
|
||
this.subtitle = this.parent.querySelector('.subtitle');
|
||
this.pointer = this.parent.querySelector('.pointer');
|
||
}
|
||
|
||
show(options) {
|
||
if (!options.target_element) {
|
||
throw new Error('target_element is required to show popup');
|
||
}
|
||
if (!options.position) {
|
||
options.position = 'left';
|
||
}
|
||
const target_element = options.target_element;
|
||
|
||
if (this.custom_html) {
|
||
let html = this.custom_html(options.task);
|
||
html += '<div class="pointer"></div>';
|
||
this.parent.innerHTML = html;
|
||
this.pointer = this.parent.querySelector('.pointer');
|
||
} else {
|
||
// set data
|
||
this.title.innerHTML = options.title;
|
||
this.subtitle.innerHTML = options.subtitle;
|
||
this.parent.style.width = this.parent.clientWidth + 'px';
|
||
}
|
||
|
||
// set position
|
||
let position_meta;
|
||
if (target_element instanceof HTMLElement) {
|
||
position_meta = target_element.getBoundingClientRect();
|
||
} else if (target_element instanceof SVGElement) {
|
||
position_meta = options.target_element.getBBox();
|
||
}
|
||
|
||
if (options.position === 'left') {
|
||
this.parent.style.left =
|
||
position_meta.x + (position_meta.width + 10) + 'px';
|
||
this.parent.style.top = position_meta.y + 'px';
|
||
|
||
this.pointer.style.transform = 'rotateZ(90deg)';
|
||
this.pointer.style.left = '-7px';
|
||
this.pointer.style.top = '2px';
|
||
}
|
||
|
||
// show
|
||
this.parent.style.opacity = 1;
|
||
}
|
||
|
||
hide() {
|
||
this.parent.style.opacity = 0;
|
||
}
|
||
}
|
||
|
||
const VIEW_MODE = {
|
||
QUARTER_DAY: 'Quarter Day',
|
||
HALF_DAY: 'Half Day',
|
||
DAY: 'Day',
|
||
WEEK: 'Week',
|
||
MONTH: 'Month',
|
||
YEAR: 'Year'
|
||
};
|
||
|
||
class Gantt {
|
||
constructor(wrapper, tasks, options) {
|
||
this.setup_wrapper(wrapper);
|
||
this.setup_options(options);
|
||
this.setup_tasks(tasks);
|
||
// initialize with default view mode
|
||
this.change_view_mode();
|
||
this.bind_events();
|
||
}
|
||
|
||
setup_wrapper(element) {
|
||
let svg_element, wrapper_element;
|
||
|
||
// CSS Selector is passed
|
||
if (typeof element === 'string') {
|
||
element = document.querySelector(element);
|
||
}
|
||
|
||
// get the SVGElement
|
||
if (element instanceof HTMLElement) {
|
||
wrapper_element = element;
|
||
svg_element = element.querySelector('svg');
|
||
} else if (element instanceof SVGElement) {
|
||
svg_element = element;
|
||
} else {
|
||
throw new TypeError(
|
||
'Frappé Gantt only supports usage of a string CSS selector,' +
|
||
" HTML DOM element or SVG DOM element for the 'element' parameter"
|
||
);
|
||
}
|
||
|
||
// svg element
|
||
if (!svg_element) {
|
||
// create it
|
||
this.$svg = createSVG('svg', {
|
||
append_to: wrapper_element,
|
||
class: 'gantt'
|
||
});
|
||
} else {
|
||
this.$svg = svg_element;
|
||
this.$svg.classList.add('gantt');
|
||
}
|
||
|
||
// wrapper element
|
||
this.$container = document.createElement('div');
|
||
this.$container.classList.add('gantt-container');
|
||
|
||
const parent_element = this.$svg.parentElement;
|
||
parent_element.appendChild(this.$container);
|
||
this.$container.appendChild(this.$svg);
|
||
|
||
// popup wrapper
|
||
this.popup_wrapper = document.createElement('div');
|
||
this.popup_wrapper.classList.add('popup-wrapper');
|
||
this.$container.appendChild(this.popup_wrapper);
|
||
}
|
||
|
||
setup_options(options) {
|
||
const default_options = {
|
||
header_height: 50,
|
||
column_width: 30,
|
||
step: 24,
|
||
view_modes: [...Object.values(VIEW_MODE)],
|
||
bar_height: 20,
|
||
bar_corner_radius: 3,
|
||
arrow_curve: 5,
|
||
padding: 18,
|
||
view_mode: 'Day',
|
||
date_format: 'YYYY-MM-DD',
|
||
popup_trigger: 'click',
|
||
custom_popup_html: null,
|
||
language: 'en'
|
||
};
|
||
this.options = Object.assign({}, default_options, options);
|
||
}
|
||
|
||
setup_tasks(tasks) {
|
||
// prepare tasks
|
||
this.tasks = tasks.map((task, i) => {
|
||
// convert to Date objects
|
||
task._start = date_utils.parse(task.start);
|
||
task._end = date_utils.parse(task.end);
|
||
|
||
// make task invalid if duration too large
|
||
if (date_utils.diff(task._end, task._start, 'year') > 10) {
|
||
task.end = null;
|
||
}
|
||
|
||
// cache index
|
||
task._index = i;
|
||
|
||
// invalid dates
|
||
if (!task.start && !task.end) {
|
||
const today = date_utils.today();
|
||
task._start = today;
|
||
task._end = date_utils.add(today, 2, 'day');
|
||
}
|
||
|
||
if (!task.start && task.end) {
|
||
task._start = date_utils.add(task._end, -2, 'day');
|
||
}
|
||
|
||
if (task.start && !task.end) {
|
||
task._end = date_utils.add(task._start, 2, 'day');
|
||
}
|
||
|
||
// if hours is not set, assume the last day is full day
|
||
// e.g: 2018-09-09 becomes 2018-09-09 23:59:59
|
||
const task_end_values = date_utils.get_date_values(task._end);
|
||
if (task_end_values.slice(3).every(d => d === 0)) {
|
||
task._end = date_utils.add(task._end, 24, 'hour');
|
||
}
|
||
|
||
// invalid flag
|
||
if (!task.start || !task.end) {
|
||
task.invalid = true;
|
||
}
|
||
|
||
// dependencies
|
||
if (typeof task.dependencies === 'string' || !task.dependencies) {
|
||
let deps = [];
|
||
if (task.dependencies) {
|
||
deps = task.dependencies
|
||
.split(',')
|
||
.map(d => d.trim())
|
||
.filter(d => d);
|
||
}
|
||
task.dependencies = deps;
|
||
}
|
||
|
||
// uids
|
||
if (!task.id) {
|
||
task.id = generate_id(task);
|
||
}
|
||
|
||
return task;
|
||
});
|
||
|
||
this.setup_dependencies();
|
||
}
|
||
|
||
setup_dependencies() {
|
||
this.dependency_map = {};
|
||
for (let t of this.tasks) {
|
||
for (let d of t.dependencies) {
|
||
this.dependency_map[d] = this.dependency_map[d] || [];
|
||
this.dependency_map[d].push(t.id);
|
||
}
|
||
}
|
||
}
|
||
|
||
refresh(tasks) {
|
||
this.setup_tasks(tasks);
|
||
this.change_view_mode();
|
||
}
|
||
|
||
change_view_mode(mode = this.options.view_mode) {
|
||
this.update_view_scale(mode);
|
||
this.setup_dates();
|
||
this.render();
|
||
// fire viewmode_change event
|
||
this.trigger_event('view_change', [mode]);
|
||
}
|
||
|
||
update_view_scale(view_mode) {
|
||
this.options.view_mode = view_mode;
|
||
|
||
if (view_mode === VIEW_MODE.DAY) {
|
||
this.options.step = 24;
|
||
this.options.column_width = 38;
|
||
} else if (view_mode === VIEW_MODE.HALF_DAY) {
|
||
this.options.step = 24 / 2;
|
||
this.options.column_width = 38;
|
||
} else if (view_mode === VIEW_MODE.QUARTER_DAY) {
|
||
this.options.step = 24 / 4;
|
||
this.options.column_width = 38;
|
||
} else if (view_mode === VIEW_MODE.WEEK) {
|
||
this.options.step = 24 * 7;
|
||
this.options.column_width = 140;
|
||
} else if (view_mode === VIEW_MODE.MONTH) {
|
||
this.options.step = 24 * 30;
|
||
this.options.column_width = 120;
|
||
} else if (view_mode === VIEW_MODE.YEAR) {
|
||
this.options.step = 24 * 365;
|
||
this.options.column_width = 120;
|
||
}
|
||
}
|
||
|
||
setup_dates() {
|
||
this.setup_gantt_dates();
|
||
this.setup_date_values();
|
||
}
|
||
|
||
setup_gantt_dates() {
|
||
this.gantt_start = this.gantt_end = null;
|
||
|
||
for (let task of this.tasks) {
|
||
// set global start and end date
|
||
if (!this.gantt_start || task._start < this.gantt_start) {
|
||
this.gantt_start = task._start;
|
||
}
|
||
if (!this.gantt_end || task._end > this.gantt_end) {
|
||
this.gantt_end = task._end;
|
||
}
|
||
}
|
||
|
||
this.gantt_start = date_utils.start_of(this.gantt_start, 'day');
|
||
this.gantt_end = date_utils.start_of(this.gantt_end, 'day');
|
||
|
||
// add date padding on both sides
|
||
if (this.view_is([VIEW_MODE.QUARTER_DAY, VIEW_MODE.HALF_DAY])) {
|
||
this.gantt_start = date_utils.add(this.gantt_start, -7, 'day');
|
||
this.gantt_end = date_utils.add(this.gantt_end, 7, 'day');
|
||
} else if (this.view_is(VIEW_MODE.MONTH)) {
|
||
this.gantt_start = date_utils.start_of(this.gantt_start, 'year');
|
||
this.gantt_end = date_utils.add(this.gantt_end, 1, 'year');
|
||
} else if (this.view_is(VIEW_MODE.YEAR)) {
|
||
this.gantt_start = date_utils.add(this.gantt_start, -2, 'year');
|
||
this.gantt_end = date_utils.add(this.gantt_end, 2, 'year');
|
||
} else {
|
||
this.gantt_start = date_utils.add(this.gantt_start, -1, 'month');
|
||
this.gantt_end = date_utils.add(this.gantt_end, 1, 'month');
|
||
}
|
||
}
|
||
|
||
setup_date_values() {
|
||
this.dates = [];
|
||
let cur_date = null;
|
||
|
||
while (cur_date === null || cur_date < this.gantt_end) {
|
||
if (!cur_date) {
|
||
cur_date = date_utils.clone(this.gantt_start);
|
||
} else {
|
||
if (this.view_is(VIEW_MODE.YEAR)) {
|
||
cur_date = date_utils.add(cur_date, 1, 'year');
|
||
} else if (this.view_is(VIEW_MODE.MONTH)) {
|
||
cur_date = date_utils.add(cur_date, 1, 'month');
|
||
} else {
|
||
cur_date = date_utils.add(
|
||
cur_date,
|
||
this.options.step,
|
||
'hour'
|
||
);
|
||
}
|
||
}
|
||
this.dates.push(cur_date);
|
||
}
|
||
}
|
||
|
||
bind_events() {
|
||
this.bind_grid_click();
|
||
this.bind_bar_events();
|
||
}
|
||
|
||
render() {
|
||
this.clear();
|
||
this.setup_layers();
|
||
this.make_grid();
|
||
this.make_dates();
|
||
this.make_bars();
|
||
this.make_arrows();
|
||
this.map_arrows_on_bars();
|
||
this.set_width();
|
||
this.set_scroll_position();
|
||
}
|
||
|
||
setup_layers() {
|
||
this.layers = {};
|
||
const layers = ['grid', 'date', 'arrow', 'progress', 'bar', 'details'];
|
||
// make group layers
|
||
for (let layer of layers) {
|
||
this.layers[layer] = createSVG('g', {
|
||
class: layer,
|
||
append_to: this.$svg
|
||
});
|
||
}
|
||
}
|
||
|
||
make_grid() {
|
||
this.make_grid_background();
|
||
this.make_grid_rows();
|
||
this.make_grid_header();
|
||
this.make_grid_ticks();
|
||
this.make_grid_highlights();
|
||
}
|
||
|
||
make_grid_background() {
|
||
const grid_width = this.dates.length * this.options.column_width;
|
||
const grid_height =
|
||
this.options.header_height +
|
||
this.options.padding +
|
||
(this.options.bar_height + this.options.padding) *
|
||
this.tasks.length;
|
||
|
||
createSVG('rect', {
|
||
x: 0,
|
||
y: 0,
|
||
width: grid_width,
|
||
height: grid_height,
|
||
class: 'grid-background',
|
||
append_to: this.layers.grid
|
||
});
|
||
|
||
$.attr(this.$svg, {
|
||
height: grid_height + this.options.padding + 100,
|
||
width: '100%'
|
||
});
|
||
}
|
||
|
||
make_grid_rows() {
|
||
const rows_layer = createSVG('g', { append_to: this.layers.grid });
|
||
const lines_layer = createSVG('g', { append_to: this.layers.grid });
|
||
|
||
const row_width = this.dates.length * this.options.column_width;
|
||
const row_height = this.options.bar_height + this.options.padding;
|
||
|
||
let row_y = this.options.header_height + this.options.padding / 2;
|
||
|
||
for (let task of this.tasks) {
|
||
createSVG('rect', {
|
||
x: 0,
|
||
y: row_y,
|
||
width: row_width,
|
||
height: row_height,
|
||
class: 'grid-row',
|
||
append_to: rows_layer
|
||
});
|
||
|
||
createSVG('line', {
|
||
x1: 0,
|
||
y1: row_y + row_height,
|
||
x2: row_width,
|
||
y2: row_y + row_height,
|
||
class: 'row-line',
|
||
append_to: lines_layer
|
||
});
|
||
|
||
row_y += this.options.bar_height + this.options.padding;
|
||
}
|
||
}
|
||
|
||
make_grid_header() {
|
||
const header_width = this.dates.length * this.options.column_width;
|
||
const header_height = this.options.header_height + 10;
|
||
createSVG('rect', {
|
||
x: 0,
|
||
y: 0,
|
||
width: header_width,
|
||
height: header_height,
|
||
class: 'grid-header',
|
||
append_to: this.layers.grid
|
||
});
|
||
}
|
||
|
||
make_grid_ticks() {
|
||
let tick_x = 0;
|
||
let tick_y = this.options.header_height + this.options.padding / 2;
|
||
let tick_height =
|
||
(this.options.bar_height + this.options.padding) *
|
||
this.tasks.length;
|
||
|
||
for (let date of this.dates) {
|
||
let tick_class = 'tick';
|
||
// thick tick for monday
|
||
if (this.view_is(VIEW_MODE.DAY) && date.getDate() === 1) {
|
||
tick_class += ' thick';
|
||
}
|
||
// thick tick for first week
|
||
if (
|
||
this.view_is(VIEW_MODE.WEEK) &&
|
||
date.getDate() >= 1 &&
|
||
date.getDate() < 8
|
||
) {
|
||
tick_class += ' thick';
|
||
}
|
||
// thick ticks for quarters
|
||
if (this.view_is(VIEW_MODE.MONTH) && (date.getMonth() + 1) % 3 === 0) {
|
||
tick_class += ' thick';
|
||
}
|
||
|
||
createSVG('path', {
|
||
d: `M ${tick_x} ${tick_y} v ${tick_height}`,
|
||
class: tick_class,
|
||
append_to: this.layers.grid
|
||
});
|
||
|
||
if (this.view_is(VIEW_MODE.MONTH)) {
|
||
tick_x +=
|
||
date_utils.get_days_in_month(date) *
|
||
this.options.column_width /
|
||
30;
|
||
} else {
|
||
tick_x += this.options.column_width;
|
||
}
|
||
}
|
||
}
|
||
|
||
make_grid_highlights() {
|
||
// highlight today's date
|
||
if (this.view_is(VIEW_MODE.DAY)) {
|
||
const x =
|
||
date_utils.diff(date_utils.today(), this.gantt_start, 'hour') /
|
||
this.options.step *
|
||
this.options.column_width;
|
||
const y = 0;
|
||
|
||
const width = this.options.column_width;
|
||
const height =
|
||
(this.options.bar_height + this.options.padding) *
|
||
this.tasks.length +
|
||
this.options.header_height +
|
||
this.options.padding / 2;
|
||
|
||
createSVG('rect', {
|
||
x,
|
||
y,
|
||
width,
|
||
height,
|
||
class: 'today-highlight',
|
||
append_to: this.layers.grid
|
||
});
|
||
}
|
||
}
|
||
|
||
make_dates() {
|
||
for (let date of this.get_dates_to_draw()) {
|
||
createSVG('text', {
|
||
x: date.lower_x,
|
||
y: date.lower_y,
|
||
innerHTML: date.lower_text,
|
||
class: 'lower-text',
|
||
append_to: this.layers.date
|
||
});
|
||
|
||
if (date.upper_text) {
|
||
const $upper_text = createSVG('text', {
|
||
x: date.upper_x,
|
||
y: date.upper_y,
|
||
innerHTML: date.upper_text,
|
||
class: 'upper-text',
|
||
append_to: this.layers.date
|
||
});
|
||
|
||
// remove out-of-bound dates
|
||
if (
|
||
$upper_text.getBBox().x2 > this.layers.grid.getBBox().width
|
||
) {
|
||
$upper_text.remove();
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
get_dates_to_draw() {
|
||
let last_date = null;
|
||
const dates = this.dates.map((date, i) => {
|
||
const d = this.get_date_info(date, last_date, i);
|
||
last_date = date;
|
||
return d;
|
||
});
|
||
return dates;
|
||
}
|
||
|
||
get_date_info(date, last_date, i) {
|
||
if (!last_date) {
|
||
last_date = date_utils.add(date, 1, 'year');
|
||
}
|
||
const date_text = {
|
||
'Quarter Day_lower': date_utils.format(
|
||
date,
|
||
'HH',
|
||
this.options.language
|
||
),
|
||
'Half Day_lower': date_utils.format(
|
||
date,
|
||
'HH',
|
||
this.options.language
|
||
),
|
||
Day_lower:
|
||
date.getDate() !== last_date.getDate()
|
||
? date_utils.format(date, 'D', this.options.language)
|
||
: '',
|
||
Week_lower:
|
||
date.getMonth() !== last_date.getMonth()
|
||
? date_utils.format(date, 'D MMM', this.options.language)
|
||
: date_utils.format(date, 'D', this.options.language),
|
||
Month_lower: date_utils.format(date, 'MMMM', this.options.language),
|
||
Year_lower: date_utils.format(date, 'YYYY', this.options.language),
|
||
'Quarter Day_upper':
|
||
date.getDate() !== last_date.getDate()
|
||
? date_utils.format(date, 'D MMM', this.options.language)
|
||
: '',
|
||
'Half Day_upper':
|
||
date.getDate() !== last_date.getDate()
|
||
? date.getMonth() !== last_date.getMonth()
|
||
? date_utils.format(date, 'D MMM', this.options.language)
|
||
: date_utils.format(date, 'D', this.options.language)
|
||
: '',
|
||
Day_upper:
|
||
date.getMonth() !== last_date.getMonth()
|
||
? date_utils.format(date, 'MMMM', this.options.language)
|
||
: '',
|
||
Week_upper:
|
||
date.getMonth() !== last_date.getMonth()
|
||
? date_utils.format(date, 'MMMM', this.options.language)
|
||
: '',
|
||
Month_upper:
|
||
date.getFullYear() !== last_date.getFullYear()
|
||
? date_utils.format(date, 'YYYY', this.options.language)
|
||
: '',
|
||
Year_upper:
|
||
date.getFullYear() !== last_date.getFullYear()
|
||
? date_utils.format(date, 'YYYY', this.options.language)
|
||
: ''
|
||
};
|
||
|
||
const base_pos = {
|
||
x: i * this.options.column_width,
|
||
lower_y: this.options.header_height,
|
||
upper_y: this.options.header_height - 25
|
||
};
|
||
|
||
const x_pos = {
|
||
'Quarter Day_lower': this.options.column_width * 4 / 2,
|
||
'Quarter Day_upper': 0,
|
||
'Half Day_lower': this.options.column_width * 2 / 2,
|
||
'Half Day_upper': 0,
|
||
Day_lower: this.options.column_width / 2,
|
||
Day_upper: this.options.column_width * 30 / 2,
|
||
Week_lower: 0,
|
||
Week_upper: this.options.column_width * 4 / 2,
|
||
Month_lower: this.options.column_width / 2,
|
||
Month_upper: this.options.column_width * 12 / 2,
|
||
Year_lower: this.options.column_width / 2,
|
||
Year_upper: this.options.column_width * 30 / 2
|
||
};
|
||
|
||
return {
|
||
upper_text: date_text[`${this.options.view_mode}_upper`],
|
||
lower_text: date_text[`${this.options.view_mode}_lower`],
|
||
upper_x: base_pos.x + x_pos[`${this.options.view_mode}_upper`],
|
||
upper_y: base_pos.upper_y,
|
||
lower_x: base_pos.x + x_pos[`${this.options.view_mode}_lower`],
|
||
lower_y: base_pos.lower_y
|
||
};
|
||
}
|
||
|
||
make_bars() {
|
||
this.bars = this.tasks.map(task => {
|
||
const bar = new Bar(this, task);
|
||
this.layers.bar.appendChild(bar.group);
|
||
return bar;
|
||
});
|
||
}
|
||
|
||
make_arrows() {
|
||
this.arrows = [];
|
||
for (let task of this.tasks) {
|
||
let arrows = [];
|
||
arrows = task.dependencies
|
||
.map(task_id => {
|
||
const dependency = this.get_task(task_id);
|
||
if (!dependency) return;
|
||
const arrow = new Arrow(
|
||
this,
|
||
this.bars[dependency._index], // from_task
|
||
this.bars[task._index] // to_task
|
||
);
|
||
this.layers.arrow.appendChild(arrow.element);
|
||
return arrow;
|
||
})
|
||
.filter(Boolean); // filter falsy values
|
||
this.arrows = this.arrows.concat(arrows);
|
||
}
|
||
}
|
||
|
||
map_arrows_on_bars() {
|
||
for (let bar of this.bars) {
|
||
bar.arrows = this.arrows.filter(arrow => {
|
||
return (
|
||
arrow.from_task.task.id === bar.task.id ||
|
||
arrow.to_task.task.id === bar.task.id
|
||
);
|
||
});
|
||
}
|
||
}
|
||
|
||
set_width() {
|
||
const cur_width = this.$svg.getBoundingClientRect().width;
|
||
const actual_width = this.$svg
|
||
.querySelector('.grid .grid-row')
|
||
.getAttribute('width');
|
||
if (cur_width < actual_width) {
|
||
this.$svg.setAttribute('width', actual_width);
|
||
}
|
||
}
|
||
|
||
set_scroll_position() {
|
||
const parent_element = this.$svg.parentElement;
|
||
if (!parent_element) return;
|
||
|
||
const hours_before_first_task = date_utils.diff(
|
||
this.get_oldest_starting_date(),
|
||
this.gantt_start,
|
||
'hour'
|
||
);
|
||
|
||
const scroll_pos =
|
||
hours_before_first_task /
|
||
this.options.step *
|
||
this.options.column_width -
|
||
this.options.column_width;
|
||
|
||
parent_element.scrollLeft = scroll_pos;
|
||
}
|
||
|
||
bind_grid_click() {
|
||
$.on(
|
||
this.$svg,
|
||
this.options.popup_trigger,
|
||
'.grid-row, .grid-header',
|
||
() => {
|
||
this.unselect_all();
|
||
this.hide_popup();
|
||
}
|
||
);
|
||
}
|
||
|
||
bind_bar_events() {
|
||
let is_dragging = false;
|
||
let x_on_start = 0;
|
||
let y_on_start = 0;
|
||
let is_resizing_left = false;
|
||
let is_resizing_right = false;
|
||
let parent_bar_id = null;
|
||
let bars = []; // instanceof Bar
|
||
this.bar_being_dragged = null;
|
||
|
||
function action_in_progress() {
|
||
return is_dragging || is_resizing_left || is_resizing_right;
|
||
}
|
||
|
||
$.on(this.$svg, 'mousedown', '.bar-wrapper, .handle', (e, element) => {
|
||
const bar_wrapper = $.closest('.bar-wrapper', element);
|
||
|
||
if (element.classList.contains('left')) {
|
||
is_resizing_left = true;
|
||
} else if (element.classList.contains('right')) {
|
||
is_resizing_right = true;
|
||
} else if (element.classList.contains('bar-wrapper')) {
|
||
is_dragging = true;
|
||
}
|
||
|
||
bar_wrapper.classList.add('active');
|
||
|
||
x_on_start = e.offsetX;
|
||
y_on_start = e.offsetY;
|
||
|
||
parent_bar_id = bar_wrapper.getAttribute('data-id');
|
||
const ids = [
|
||
parent_bar_id,
|
||
...this.get_all_dependent_tasks(parent_bar_id)
|
||
];
|
||
bars = ids.map(id => this.get_bar(id));
|
||
|
||
this.bar_being_dragged = parent_bar_id;
|
||
|
||
bars.forEach(bar => {
|
||
const $bar = bar.$bar;
|
||
$bar.ox = $bar.getX();
|
||
$bar.oy = $bar.getY();
|
||
$bar.owidth = $bar.getWidth();
|
||
$bar.finaldx = 0;
|
||
});
|
||
});
|
||
|
||
$.on(this.$svg, 'mousemove', e => {
|
||
if (!action_in_progress()) return;
|
||
const dx = e.offsetX - x_on_start;
|
||
const dy = e.offsetY - y_on_start;
|
||
|
||
bars.forEach(bar => {
|
||
const $bar = bar.$bar;
|
||
$bar.finaldx = this.get_snap_position(dx);
|
||
|
||
if (is_resizing_left) {
|
||
if (parent_bar_id === bar.task.id) {
|
||
bar.update_bar_position({
|
||
x: $bar.ox + $bar.finaldx,
|
||
width: $bar.owidth - $bar.finaldx
|
||
});
|
||
} else {
|
||
bar.update_bar_position({
|
||
x: $bar.ox + $bar.finaldx
|
||
});
|
||
}
|
||
} else if (is_resizing_right) {
|
||
if (parent_bar_id === bar.task.id) {
|
||
bar.update_bar_position({
|
||
width: $bar.owidth + $bar.finaldx
|
||
});
|
||
}
|
||
} else if (is_dragging) {
|
||
bar.update_bar_position({ x: $bar.ox + $bar.finaldx });
|
||
}
|
||
});
|
||
});
|
||
|
||
document.addEventListener('mouseup', e => {
|
||
if (is_dragging || is_resizing_left || is_resizing_right) {
|
||
bars.forEach(bar => bar.group.classList.remove('active'));
|
||
}
|
||
|
||
is_dragging = false;
|
||
is_resizing_left = false;
|
||
is_resizing_right = false;
|
||
});
|
||
|
||
$.on(this.$svg, 'mouseup', e => {
|
||
this.bar_being_dragged = null;
|
||
bars.forEach(bar => {
|
||
const $bar = bar.$bar;
|
||
if (!$bar.finaldx) return;
|
||
bar.date_changed();
|
||
bar.set_action_completed();
|
||
});
|
||
});
|
||
|
||
this.bind_bar_progress();
|
||
}
|
||
|
||
bind_bar_progress() {
|
||
let x_on_start = 0;
|
||
let y_on_start = 0;
|
||
let is_resizing = null;
|
||
let bar = null;
|
||
let $bar_progress = null;
|
||
let $bar = null;
|
||
|
||
$.on(this.$svg, 'mousedown', '.handle.progress', (e, handle) => {
|
||
is_resizing = true;
|
||
x_on_start = e.offsetX;
|
||
y_on_start = e.offsetY;
|
||
|
||
const $bar_wrapper = $.closest('.bar-wrapper', handle);
|
||
const id = $bar_wrapper.getAttribute('data-id');
|
||
bar = this.get_bar(id);
|
||
|
||
$bar_progress = bar.$bar_progress;
|
||
$bar = bar.$bar;
|
||
|
||
$bar_progress.finaldx = 0;
|
||
$bar_progress.owidth = $bar_progress.getWidth();
|
||
$bar_progress.min_dx = -$bar_progress.getWidth();
|
||
$bar_progress.max_dx = $bar.getWidth() - $bar_progress.getWidth();
|
||
});
|
||
|
||
$.on(this.$svg, 'mousemove', e => {
|
||
if (!is_resizing) return;
|
||
let dx = e.offsetX - x_on_start;
|
||
let dy = e.offsetY - y_on_start;
|
||
|
||
if (dx > $bar_progress.max_dx) {
|
||
dx = $bar_progress.max_dx;
|
||
}
|
||
if (dx < $bar_progress.min_dx) {
|
||
dx = $bar_progress.min_dx;
|
||
}
|
||
|
||
const $handle = bar.$handle_progress;
|
||
$.attr($bar_progress, 'width', $bar_progress.owidth + dx);
|
||
$.attr($handle, 'points', bar.get_progress_polygon_points());
|
||
$bar_progress.finaldx = dx;
|
||
});
|
||
|
||
$.on(this.$svg, 'mouseup', () => {
|
||
is_resizing = false;
|
||
if (!($bar_progress && $bar_progress.finaldx)) return;
|
||
bar.progress_changed();
|
||
bar.set_action_completed();
|
||
});
|
||
}
|
||
|
||
get_all_dependent_tasks(task_id) {
|
||
let out = [];
|
||
let to_process = [task_id];
|
||
while (to_process.length) {
|
||
const deps = to_process.reduce((acc, curr) => {
|
||
acc = acc.concat(this.dependency_map[curr]);
|
||
return acc;
|
||
}, []);
|
||
|
||
out = out.concat(deps);
|
||
to_process = deps.filter(d => !to_process.includes(d));
|
||
}
|
||
|
||
return out.filter(Boolean);
|
||
}
|
||
|
||
get_snap_position(dx) {
|
||
let odx = dx,
|
||
rem,
|
||
position;
|
||
|
||
if (this.view_is(VIEW_MODE.WEEK)) {
|
||
rem = dx % (this.options.column_width / 7);
|
||
position =
|
||
odx -
|
||
rem +
|
||
(rem < this.options.column_width / 14
|
||
? 0
|
||
: this.options.column_width / 7);
|
||
} else if (this.view_is(VIEW_MODE.MONTH)) {
|
||
rem = dx % (this.options.column_width / 30);
|
||
position =
|
||
odx -
|
||
rem +
|
||
(rem < this.options.column_width / 60
|
||
? 0
|
||
: this.options.column_width / 30);
|
||
} else {
|
||
rem = dx % this.options.column_width;
|
||
position =
|
||
odx -
|
||
rem +
|
||
(rem < this.options.column_width / 2
|
||
? 0
|
||
: this.options.column_width);
|
||
}
|
||
return position;
|
||
}
|
||
|
||
unselect_all() {
|
||
[...this.$svg.querySelectorAll('.bar-wrapper')].forEach(el => {
|
||
el.classList.remove('active');
|
||
});
|
||
}
|
||
|
||
view_is(modes) {
|
||
if (typeof modes === 'string') {
|
||
return this.options.view_mode === modes;
|
||
}
|
||
|
||
if (Array.isArray(modes)) {
|
||
return modes.some(mode => this.options.view_mode === mode);
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
get_task(id) {
|
||
return this.tasks.find(task => {
|
||
return task.id === id;
|
||
});
|
||
}
|
||
|
||
get_bar(id) {
|
||
return this.bars.find(bar => {
|
||
return bar.task.id === id;
|
||
});
|
||
}
|
||
|
||
show_popup(options) {
|
||
if (!this.popup) {
|
||
this.popup = new Popup(
|
||
this.popup_wrapper,
|
||
this.options.custom_popup_html
|
||
);
|
||
}
|
||
this.popup.show(options);
|
||
}
|
||
|
||
hide_popup() {
|
||
this.popup && this.popup.hide();
|
||
}
|
||
|
||
trigger_event(event, args) {
|
||
if (this.options['on_' + event]) {
|
||
this.options['on_' + event].apply(null, args);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Gets the oldest starting date from the list of tasks
|
||
*
|
||
* @returns Date
|
||
* @memberof Gantt
|
||
*/
|
||
get_oldest_starting_date() {
|
||
return this.tasks
|
||
.map(task => task._start)
|
||
.reduce(
|
||
(prev_date, cur_date) =>
|
||
cur_date <= prev_date ? cur_date : prev_date
|
||
);
|
||
}
|
||
|
||
/**
|
||
* Clear all elements from the parent svg element
|
||
*
|
||
* @memberof Gantt
|
||
*/
|
||
clear() {
|
||
this.$svg.innerHTML = '';
|
||
}
|
||
}
|
||
|
||
Gantt.VIEW_MODE = VIEW_MODE;
|
||
|
||
function generate_id(task) {
|
||
return (
|
||
task.name +
|
||
'_' +
|
||
Math.random()
|
||
.toString(36)
|
||
.slice(2, 12)
|
||
);
|
||
}
|
||
|
||
return Gantt;
|
||
|
||
}());
|