1572 lines
51 KiB
JavaScript
1572 lines
51 KiB
JavaScript
import date_utils from './date_utils';
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import { $, createSVG } from './svg_utils';
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import Arrow from './arrow';
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import Bar from './bar';
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import Popup from './popup';
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import { DEFAULT_OPTIONS, DEFAULT_VIEW_MODES } from './defaults';
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import './styles/gantt.css';
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export default class Gantt {
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constructor(wrapper, tasks, options) {
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this.setup_wrapper(wrapper);
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this.setup_options(options);
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this.setup_tasks(tasks);
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this.change_view_mode();
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this.bind_events();
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}
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setup_wrapper(element) {
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let svg_element, wrapper_element;
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// CSS Selector is passed
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if (typeof element === 'string') {
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let el = document.querySelector(element);
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if (!el) {
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throw new ReferenceError(
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`CSS selector "${element}" could not be found in DOM`,
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);
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}
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element = el;
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}
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// get the SVGElement
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if (element instanceof HTMLElement) {
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wrapper_element = element;
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svg_element = element.querySelector('svg');
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} else if (element instanceof SVGElement) {
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svg_element = element;
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} else {
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throw new TypeError(
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'Frappe Gantt only supports usage of a string CSS selector,' +
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" HTML DOM element or SVG DOM element for the 'element' parameter",
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);
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}
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// svg element
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if (!svg_element) {
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// create it
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this.$svg = createSVG('svg', {
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append_to: wrapper_element,
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class: 'gantt',
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});
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} else {
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this.$svg = svg_element;
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this.$svg.classList.add('gantt');
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}
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// wrapper element
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this.$container = this.create_el({
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classes: 'gantt-container',
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append_to: this.$svg.parentElement,
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});
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this.$container.appendChild(this.$svg);
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this.$popup_wrapper = this.create_el({
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classes: 'popup-wrapper',
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append_to: this.$container,
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});
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}
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setup_options(options) {
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this.original_options = options;
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this.options = { ...DEFAULT_OPTIONS, ...options };
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const CSS_VARIABLES = {
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'grid-height': 'container_height',
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'bar-height': 'bar_height',
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'lower-header-height': 'lower_header_height',
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'upper-header-height': 'upper_header_height',
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};
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for (let name in CSS_VARIABLES) {
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let setting = this.options[CSS_VARIABLES[name]];
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if (setting !== 'auto')
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this.$container.style.setProperty(
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'--gv-' + name,
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setting + 'px',
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);
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}
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this.config = {
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ignored_dates: [],
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ignored_positions: [],
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extend_by_units: 10,
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};
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if (typeof this.options.ignore !== 'function') {
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if (typeof this.options.ignore === 'string')
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this.options.ignore = [this.options.ignord];
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for (let option of this.options.ignore) {
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if (typeof option === 'function') {
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this.config.ignored_function = option;
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continue;
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}
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if (typeof option === 'string') {
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if (option === 'weekend')
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this.config.ignored_function = (d) =>
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d.getDay() == 6 || d.getDay() == 0;
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else this.config.ignored_dates.push(new Date(option + ' '));
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}
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}
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} else {
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this.config.ignored_function = this.options.ignore;
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}
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}
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update_options(options) {
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this.setup_options({ ...this.original_options, ...options });
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this.change_view_mode(undefined, true);
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}
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setup_tasks(tasks) {
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this.tasks = tasks
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.map((task, i) => {
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if (!task.start) {
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console.error(
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`task "${task.id}" doesn't have a start date`,
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);
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return false;
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}
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task._start = date_utils.parse(task.start);
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if (task.end === undefined && task.duration !== undefined) {
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task.end = task._start;
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let durations = task.duration.split(' ');
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durations.forEach((tmpDuration) => {
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let { duration, scale } =
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date_utils.parse_duration(tmpDuration);
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task.end = date_utils.add(task.end, duration, scale);
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});
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}
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if (!task.end) {
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console.error(`task "${task.id}" doesn't have an end date`);
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return false;
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}
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task._end = date_utils.parse(task.end);
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let diff = date_utils.diff(task._end, task._start, 'year');
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if (diff < 0) {
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console.error(
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`start of task can't be after end of task: in task "${task.id}"`,
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);
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return false;
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}
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// make task invalid if duration too large
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if (date_utils.diff(task._end, task._start, 'year') > 10) {
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console.error(
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`the duration of task "${task.id}" is too long (above ten years)`,
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);
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return false;
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}
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// cache index
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task._index = i;
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// if hours is not set, assume the last day is full day
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// e.g: 2018-09-09 becomes 2018-09-09 23:59:59
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const task_end_values = date_utils.get_date_values(task._end);
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if (task_end_values.slice(3).every((d) => d === 0)) {
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task._end = date_utils.add(task._end, 24, 'hour');
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}
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// dependencies
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if (
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typeof task.dependencies === 'string' ||
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!task.dependencies
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) {
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let deps = [];
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if (task.dependencies) {
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deps = task.dependencies
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.split(',')
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.map((d) => d.trim().replaceAll(' ', '_'))
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.filter((d) => d);
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}
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task.dependencies = deps;
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}
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// uids
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if (!task.id) {
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task.id = generate_id(task);
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} else if (typeof task.id === 'string') {
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task.id = task.id.replaceAll(' ', '_');
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} else {
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task.id = `${task.id}`;
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}
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return task;
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})
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.filter((t) => t);
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this.setup_dependencies();
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}
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setup_dependencies() {
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this.dependency_map = {};
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for (let t of this.tasks) {
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for (let d of t.dependencies) {
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this.dependency_map[d] = this.dependency_map[d] || [];
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this.dependency_map[d].push(t.id);
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}
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}
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}
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refresh(tasks) {
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this.setup_tasks(tasks);
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this.change_view_mode();
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}
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update_task(id, new_details) {
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let task = this.tasks.find((t) => t.id === id);
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let bar = this.bars[task._index];
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Object.assign(task, new_details);
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bar.refresh();
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}
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change_view_mode(mode = this.options.view_mode, maintain_pos = false) {
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if (typeof mode === 'string') {
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mode = this.options.view_modes.find((d) => d.name === mode);
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}
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let old_scroll_op, old_scroll_pos;
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if (maintain_pos) {
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old_scroll_op = this.options.scroll_to;
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this.options.scroll_to = null;
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old_scroll_pos = this.$container.scrollLeft;
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}
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this.options.view_mode = mode.name;
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this.config.view_mode = mode;
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this.update_view_scale(mode);
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this.setup_dates(maintain_pos);
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this.render();
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if (maintain_pos) {
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this.options.scroll_to = old_scroll_op;
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this.$container.scrollLeft = old_scroll_pos;
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}
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this.trigger_event('view_change', [mode]);
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}
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update_view_scale(mode) {
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let { duration, scale } = date_utils.parse_duration(mode.step);
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this.config.step = duration;
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this.config.unit = scale;
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this.config.column_width =
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this.options.column_width || mode.column_width || 45;
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this.$container.style.setProperty(
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'--gv-column-width',
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this.config.column_width + 'px',
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);
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this.config.header_height =
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this.options.lower_header_height +
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this.options.upper_header_height +
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10;
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}
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setup_dates(refresh = false) {
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this.setup_gantt_dates(refresh);
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this.setup_date_values();
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}
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setup_gantt_dates(refresh) {
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let gantt_start, gantt_end;
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if (!this.tasks.length) {
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gantt_start = new Date();
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gantt_end = new Date();
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}
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for (let task of this.tasks) {
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if (!gantt_start || task._start < gantt_start) {
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gantt_start = task._start;
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}
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if (!gantt_end || task._end > gantt_end) {
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gantt_end = task._end;
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}
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}
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gantt_start = date_utils.start_of(gantt_start, 'day');
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gantt_end = date_utils.start_of(gantt_end, 'day');
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// handle single value for padding
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if (!refresh) {
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if (!this.options.infinite_padding) {
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if (typeof this.config.view_mode.padding === 'string')
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this.config.view_mode.padding = [
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this.config.view_mode.padding,
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this.config.view_mode.padding,
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];
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let [padding_start, padding_end] =
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this.config.view_mode.padding.map(
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date_utils.parse_duration,
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);
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this.gantt_start = date_utils.add(
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gantt_start,
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-padding_start.duration,
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padding_start.scale,
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);
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this.gantt_end = date_utils.add(
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gantt_end,
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padding_end.duration,
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padding_end.scale,
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);
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} else {
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this.gantt_start = date_utils.add(
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gantt_start,
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-this.config.extend_by_units * 3,
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this.config.unit,
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);
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this.gantt_end = date_utils.add(
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gantt_end,
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this.config.extend_by_units * 3,
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this.config.unit,
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);
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}
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}
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this.config.format_string =
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this.config.view_mode.format_string || 'YYYY-MM-DD HH';
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this.gantt_start.setHours(0, 0, 0, 0);
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}
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setup_date_values() {
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let cur_date = this.gantt_start;
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this.dates = [cur_date];
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while (cur_date < this.gantt_end) {
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cur_date = date_utils.add(
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cur_date,
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this.config.step,
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this.config.unit,
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);
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this.dates.push(cur_date);
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}
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}
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bind_events() {
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if (this.options.readonly) return;
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this.bind_grid_click();
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this.bind_holiday_labels();
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this.bind_bar_events();
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}
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render() {
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this.clear();
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this.setup_layers();
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this.make_grid();
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this.make_dates();
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this.make_grid_extras();
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this.make_bars();
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this.make_arrows();
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this.map_arrows_on_bars();
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this.set_dimensions();
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this.set_scroll_position(this.options.scroll_to);
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}
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setup_layers() {
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this.layers = {};
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const layers = ['grid', 'arrow', 'progress', 'bar'];
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// make group layers
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for (let layer of layers) {
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this.layers[layer] = createSVG('g', {
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class: layer,
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append_to: this.$svg,
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});
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}
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this.$extras = this.create_el({
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classes: 'extras',
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append_to: this.$container,
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});
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this.$adjust = this.create_el({
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classes: 'adjust hide',
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append_to: this.$extras,
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type: 'button',
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});
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this.$adjust.innerHTML = '←';
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}
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make_grid() {
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this.make_grid_background();
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this.make_grid_rows();
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this.make_grid_header();
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this.make_side_header();
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}
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make_grid_extras() {
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this.make_grid_highlights();
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this.make_grid_ticks();
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}
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make_grid_background() {
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const grid_width = this.dates.length * this.config.column_width;
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const grid_height =
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this.config.header_height +
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this.options.padding +
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(this.options.bar_height + this.options.padding) *
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this.tasks.length -
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10;
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createSVG('rect', {
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x: 0,
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y: 0,
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width: grid_width,
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height: grid_height,
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class: 'grid-background',
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append_to: this.$svg,
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});
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$.attr(this.$svg, {
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height: grid_height,
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width: '100%',
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});
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}
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make_grid_rows() {
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const rows_layer = createSVG('g', { append_to: this.layers.grid });
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const row_width = this.dates.length * this.config.column_width;
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const row_height = this.options.bar_height + this.options.padding;
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let y = this.config.header_height;
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for (let _ of this.tasks) {
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createSVG('rect', {
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x: 0,
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y,
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width: row_width,
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height: row_height,
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class: 'grid-row',
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append_to: rows_layer,
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});
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y += this.options.bar_height + this.options.padding;
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}
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}
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make_grid_header() {
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this.$header = this.create_el({
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width: this.dates.length * this.config.column_width,
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classes: 'grid-header',
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append_to: this.$container,
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});
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this.$upper_header = this.create_el({
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classes: 'upper-header',
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append_to: this.$header,
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});
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this.$lower_header = this.create_el({
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classes: 'lower-header',
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append_to: this.$header,
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});
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}
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make_side_header() {
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this.$side_header = this.create_el({ classes: 'side-header' });
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this.$upper_header.prepend(this.$side_header);
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// Create view mode change select
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if (this.options.view_mode_select) {
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const $select = document.createElement('select');
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$select.classList.add('viewmode-select');
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const $el = document.createElement('option');
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$el.selected = true;
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$el.disabled = true;
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$el.textContent = 'Mode';
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$select.appendChild($el);
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for (const mode of this.options.view_modes) {
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const $option = document.createElement('option');
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$option.value = mode.name;
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$option.textContent = mode.name;
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$select.appendChild($option);
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}
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$select.addEventListener(
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'change',
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function () {
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this.change_view_mode($select.value);
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}.bind(this),
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);
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this.$side_header.appendChild($select);
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}
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// Create today button
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if (this.options.today_button) {
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let $today_button = document.createElement('button');
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$today_button.classList.add('today-button');
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$today_button.textContent = 'Today';
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$today_button.onclick = this.scroll_current.bind(this);
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this.$side_header.prepend($today_button);
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this.$today_button = $today_button;
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}
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}
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make_grid_ticks() {
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if (this.options.lines === 'none') return;
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let tick_x = 0;
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let tick_y = this.config.header_height;
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let tick_height =
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(this.options.bar_height + this.options.padding) *
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this.tasks.length;
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let $lines_layer = createSVG('g', {
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class: 'lines_layer',
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append_to: this.layers.grid,
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});
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let row_y = this.config.header_height;
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const row_width = this.dates.length * this.config.column_width;
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const row_height = this.options.bar_height + this.options.padding;
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if (this.options.lines !== 'vertical') {
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for (let _ of this.tasks) {
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createSVG('line', {
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x1: 0,
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y1: row_y + row_height,
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x2: row_width,
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y2: row_y + row_height,
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class: 'row-line',
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append_to: $lines_layer,
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});
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row_y += row_height;
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}
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}
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if (this.options.lines === 'horizontal') return;
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for (let date of this.dates) {
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let tick_class = 'tick';
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if (
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this.config.view_mode.thick_line &&
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this.config.view_mode.thick_line(date)
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) {
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tick_class += ' thick';
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}
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createSVG('path', {
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d: `M ${tick_x} ${tick_y} v ${tick_height}`,
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class: tick_class,
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append_to: this.layers.grid,
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});
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if (this.view_is('month')) {
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tick_x +=
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(date_utils.get_days_in_month(date) *
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this.config.column_width) /
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30;
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|
} else if (this.view_is('year')) {
|
|
tick_x +=
|
|
(date_utils.get_days_in_year(date) *
|
|
this.config.column_width) /
|
|
365;
|
|
} else {
|
|
tick_x += this.config.column_width;
|
|
}
|
|
}
|
|
}
|
|
|
|
highlight_holidays() {
|
|
let labels = {};
|
|
if (!this.options.holidays) return;
|
|
|
|
for (let color in this.options.holidays) {
|
|
let check_highlight = this.options.holidays[color];
|
|
if (check_highlight === 'weekend')
|
|
check_highlight = (d) => d.getDay() === 0 || d.getDay() === 6;
|
|
let extra_func;
|
|
|
|
if (typeof check_highlight === 'object') {
|
|
let f = check_highlight.find((k) => typeof k === 'function');
|
|
if (f) {
|
|
extra_func = f;
|
|
}
|
|
if (this.options.holidays.name) {
|
|
let dateObj = new Date(check_highlight.date + ' ');
|
|
check_highlight = (d) => dateObj.getTime() === d.getTime();
|
|
labels[dateObj] = check_highlight.name;
|
|
} else {
|
|
check_highlight = (d) =>
|
|
this.options.holidays[color]
|
|
.filter((k) => typeof k !== 'function')
|
|
.map((k) => {
|
|
if (k.name) {
|
|
let dateObj = new Date(k.date + ' ');
|
|
labels[dateObj] = k.name;
|
|
return dateObj.getTime();
|
|
}
|
|
return new Date(k + ' ').getTime();
|
|
})
|
|
.includes(d.getTime());
|
|
}
|
|
}
|
|
for (
|
|
let d = new Date(this.gantt_start);
|
|
d <= this.gantt_end;
|
|
d.setDate(d.getDate() + 1)
|
|
) {
|
|
if (
|
|
this.config.ignored_dates.find(
|
|
(k) => k.getTime() == d.getTime(),
|
|
) ||
|
|
(this.config.ignored_function &&
|
|
this.config.ignored_function(d))
|
|
)
|
|
continue;
|
|
if (check_highlight(d) || (extra_func && extra_func(d))) {
|
|
const x =
|
|
(date_utils.diff(
|
|
d,
|
|
this.gantt_start,
|
|
this.config.unit,
|
|
) /
|
|
this.config.step) *
|
|
this.config.column_width;
|
|
const height =
|
|
(this.options.bar_height + this.options.padding) *
|
|
this.tasks.length;
|
|
const d_formatted = date_utils
|
|
.format(d, 'YYYY-MM-DD', this.options.language)
|
|
.replace(' ', '_');
|
|
|
|
if (labels[d]) {
|
|
let label = this.create_el({
|
|
classes: 'holiday-label ' + 'label_' + d_formatted,
|
|
append_to: this.$extras,
|
|
});
|
|
label.textContent = labels[d];
|
|
}
|
|
createSVG('rect', {
|
|
x: Math.round(x),
|
|
y: this.config.header_height,
|
|
width:
|
|
this.config.column_width /
|
|
date_utils.convert_scales(
|
|
this.config.view_mode.step,
|
|
'day',
|
|
),
|
|
height,
|
|
class: 'holiday-highlight ' + d_formatted,
|
|
style: `fill: ${color};`,
|
|
append_to: this.layers.grid,
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Compute the horizontal x-axis distance and associated date for the current date and view.
|
|
*
|
|
* @returns Object containing the x-axis distance and date of the current date, or null if the current date is out of the gantt range.
|
|
*/
|
|
highlight_current() {
|
|
const res = this.get_closest_date();
|
|
if (!res) return;
|
|
|
|
const [_, el] = res;
|
|
el.classList.add('current-date-highlight');
|
|
|
|
const diff_in_units = date_utils.diff(
|
|
new Date(),
|
|
this.gantt_start,
|
|
this.config.unit,
|
|
);
|
|
|
|
const left =
|
|
(diff_in_units / this.config.step) * this.config.column_width;
|
|
const height =
|
|
(this.options.bar_height + this.options.padding) *
|
|
this.tasks.length;
|
|
|
|
this.$current_highlight = this.create_el({
|
|
top: this.config.header_height,
|
|
left,
|
|
height,
|
|
classes: 'current-highlight',
|
|
append_to: this.$container,
|
|
});
|
|
this.$current_highlight = this.create_el({
|
|
top: this.config.header_height - 6,
|
|
left: left - 2.5,
|
|
width: 6,
|
|
height: 6,
|
|
classes: 'current-ball-highlight',
|
|
append_to: this.$header,
|
|
});
|
|
}
|
|
|
|
make_grid_highlights() {
|
|
this.highlight_holidays();
|
|
this.config.ignored_positions = [];
|
|
|
|
const height =
|
|
(this.options.bar_height + this.options.padding) *
|
|
this.tasks.length;
|
|
this.layers.grid.innerHTML += `<pattern id="diagonalHatch" patternUnits="userSpaceOnUse" width="4" height="4">
|
|
<path d="M-1,1 l2,-2
|
|
M0,4 l4,-4
|
|
M3,5 l2,-2"
|
|
style="stroke:grey; stroke-width:0.3" />
|
|
</pattern>`;
|
|
|
|
for (
|
|
let d = new Date(this.gantt_start);
|
|
d <= this.gantt_end;
|
|
d.setDate(d.getDate() + 1)
|
|
) {
|
|
if (
|
|
!this.config.ignored_dates.find(
|
|
(k) => k.getTime() == d.getTime(),
|
|
) &&
|
|
(!this.config.ignored_function ||
|
|
!this.config.ignored_function(d))
|
|
)
|
|
continue;
|
|
let diff =
|
|
date_utils.convert_scales(
|
|
date_utils.diff(d, this.gantt_start) + 'd',
|
|
this.config.unit,
|
|
) / this.config.step;
|
|
|
|
this.config.ignored_positions.push(diff * this.config.column_width);
|
|
createSVG('rect', {
|
|
x: diff * this.config.column_width,
|
|
y: this.config.header_height,
|
|
width: this.config.column_width,
|
|
height: height,
|
|
class: 'ignored-bar',
|
|
style: 'fill: url(#diagonalHatch);',
|
|
append_to: this.$svg,
|
|
});
|
|
}
|
|
|
|
const highlightDimensions = this.highlight_current(
|
|
this.config.view_mode,
|
|
);
|
|
|
|
if (!highlightDimensions) return;
|
|
}
|
|
|
|
create_el({ left, top, width, height, id, classes, append_to, type }) {
|
|
let $el = document.createElement(type || 'div');
|
|
for (let cls of classes.split(' ')) $el.classList.add(cls);
|
|
$el.style.top = top + 'px';
|
|
$el.style.left = left + 'px';
|
|
if (id) $el.id = id;
|
|
if (width) $el.style.width = width + 'px';
|
|
if (height) $el.style.height = height + 'px';
|
|
if (append_to) append_to.appendChild($el);
|
|
return $el;
|
|
}
|
|
|
|
make_dates() {
|
|
this.get_dates_to_draw().forEach((date, i) => {
|
|
if (date.lower_text) {
|
|
let $lower_text = this.create_el({
|
|
left: date.x,
|
|
top: date.lower_y,
|
|
classes: 'lower-text date_' + sanitize(date.formatted_date),
|
|
append_to: this.$lower_header,
|
|
});
|
|
$lower_text.innerText = date.lower_text;
|
|
}
|
|
|
|
if (date.upper_text) {
|
|
let $upper_text = this.create_el({
|
|
left: date.x,
|
|
top: date.upper_y,
|
|
classes: 'upper-text',
|
|
append_to: this.$upper_header,
|
|
});
|
|
$upper_text.innerText = date.upper_text;
|
|
}
|
|
});
|
|
this.upperTexts = Array.from(
|
|
this.$container.querySelectorAll('.upper-text'),
|
|
);
|
|
}
|
|
|
|
get_dates_to_draw() {
|
|
let last_date_info = null;
|
|
const dates = this.dates.map((date, i) => {
|
|
const d = this.get_date_info(date, last_date_info, i);
|
|
last_date_info = d;
|
|
return d;
|
|
});
|
|
return dates;
|
|
}
|
|
|
|
get_date_info(date, last_date_info) {
|
|
let last_date = last_date_info ? last_date_info.date : null;
|
|
|
|
let column_width = this.config.column_width;
|
|
|
|
const x = last_date_info
|
|
? last_date_info.x + last_date_info.column_width
|
|
: 0;
|
|
|
|
let upper_text = this.config.view_mode.upper_text;
|
|
let lower_text = this.config.view_mode.lower_text;
|
|
|
|
if (!upper_text) {
|
|
this.config.view_mode.upper_text = () => '';
|
|
} else if (typeof upper_text === 'string') {
|
|
this.config.view_mode.upper_text = (date) =>
|
|
date_utils.format(date, upper_text, this.options.language);
|
|
}
|
|
|
|
if (!lower_text) {
|
|
this.config.view_mode.lower_text = () => '';
|
|
} else if (typeof lower_text === 'string') {
|
|
this.config.view_mode.lower_text = (date) =>
|
|
date_utils.format(date, lower_text, this.options.language);
|
|
}
|
|
|
|
return {
|
|
date,
|
|
formatted_date: sanitize(
|
|
date_utils.format(
|
|
date,
|
|
this.config.format_string,
|
|
this.options.language,
|
|
),
|
|
),
|
|
column_width: this.config.column_width,
|
|
x,
|
|
upper_text: this.config.view_mode.upper_text(
|
|
date,
|
|
last_date,
|
|
this.options.language,
|
|
),
|
|
lower_text: this.config.view_mode.lower_text(
|
|
date,
|
|
last_date,
|
|
this.options.language,
|
|
),
|
|
upper_y: 15,
|
|
lower_y: this.options.upper_header_height + 5,
|
|
};
|
|
}
|
|
|
|
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_dimensions() {
|
|
const { width: cur_width, height } = this.$svg.getBoundingClientRect();
|
|
const actual_width = this.$svg.querySelector('.grid .grid-row')
|
|
? this.$svg.querySelector('.grid .grid-row').getAttribute('width')
|
|
: 0;
|
|
if (cur_width < actual_width) {
|
|
this.$svg.setAttribute('width', actual_width);
|
|
}
|
|
if (this.options.container_height === 'auto')
|
|
this.$container.style.height = height + 'px';
|
|
}
|
|
|
|
set_scroll_position(date) {
|
|
if (this.options.infinite_padding && (!date || date === 'start')) {
|
|
let [min_start, ..._] = this.get_start_end_positions();
|
|
this.$container.scrollLeft = min_start;
|
|
return;
|
|
}
|
|
if (!date || date === 'start') {
|
|
date = this.gantt_start;
|
|
} else if (date === 'end') {
|
|
date = this.gantt_end;
|
|
} else if (date === 'today') {
|
|
return this.scroll_current();
|
|
} else if (typeof date === 'string') {
|
|
date = date_utils.parse(date);
|
|
}
|
|
|
|
// Weird bug where infinite padding results in one day offset in scroll
|
|
// Related to header-body displacement
|
|
const units_since_first_task = date_utils.diff(
|
|
date,
|
|
this.gantt_start,
|
|
this.config.unit,
|
|
);
|
|
const scroll_pos =
|
|
(units_since_first_task / this.config.step) *
|
|
this.config.column_width;
|
|
|
|
this.$container.scrollTo({
|
|
left: scroll_pos - this.config.column_width / 6,
|
|
behavior: 'smooth',
|
|
});
|
|
|
|
// Calculate current scroll position's upper text
|
|
if (this.$current) {
|
|
this.$current.classList.remove('current-upper');
|
|
}
|
|
|
|
this.current_date = date_utils.add(
|
|
this.gantt_start,
|
|
this.$container.scrollLeft / this.config.column_width,
|
|
this.config.unit,
|
|
);
|
|
|
|
let current_upper = this.config.view_mode.upper_text(
|
|
this.current_date,
|
|
null,
|
|
this.options.language,
|
|
);
|
|
let $el = this.upperTexts.find(
|
|
(el) => el.textContent === current_upper,
|
|
);
|
|
|
|
// Recalculate
|
|
this.current_date = date_utils.add(
|
|
this.gantt_start,
|
|
(this.$container.scrollLeft + $el.clientWidth) /
|
|
this.config.column_width,
|
|
this.config.unit,
|
|
);
|
|
current_upper = this.config.view_mode.upper_text(
|
|
this.current_date,
|
|
null,
|
|
this.options.language,
|
|
);
|
|
$el = this.upperTexts.find((el) => el.textContent === current_upper);
|
|
$el.classList.add('current-upper');
|
|
this.$current = $el;
|
|
}
|
|
|
|
scroll_current() {
|
|
let res = this.get_closest_date();
|
|
if (res) this.set_scroll_position(res[0]);
|
|
}
|
|
|
|
get_closest_date() {
|
|
let now = new Date();
|
|
if (now < this.gantt_start || now > this.gantt_end) return null;
|
|
|
|
let current = new Date(),
|
|
el = this.$container.querySelector(
|
|
'.date_' +
|
|
sanitize(
|
|
date_utils.format(
|
|
current,
|
|
this.config.format_string,
|
|
this.options.language,
|
|
),
|
|
),
|
|
);
|
|
|
|
// safety check to prevent infinite loop
|
|
let c = 0;
|
|
while (!el && c < this.config.step) {
|
|
current = date_utils.add(current, -1, this.config.unit);
|
|
el = this.$container.querySelector(
|
|
'.date_' +
|
|
sanitize(
|
|
date_utils.format(
|
|
current,
|
|
this.config.format_string,
|
|
this.options.language,
|
|
),
|
|
),
|
|
);
|
|
c++;
|
|
}
|
|
|
|
return [
|
|
new Date(
|
|
date_utils.format(
|
|
current,
|
|
this.config.format_string,
|
|
this.options.language,
|
|
) + ' ',
|
|
),
|
|
el,
|
|
];
|
|
}
|
|
|
|
bind_grid_click() {
|
|
$.on(
|
|
this.$svg,
|
|
'click',
|
|
'.grid-row, .grid-header, .ignored-bar',
|
|
() => {
|
|
this.unselect_all();
|
|
this.hide_popup();
|
|
},
|
|
);
|
|
}
|
|
|
|
bind_holiday_labels() {
|
|
const $highlights =
|
|
this.$container.querySelectorAll('.holiday-highlight');
|
|
for (let h of $highlights) {
|
|
const label = this.$container.querySelector(
|
|
'.label_' + h.classList[1],
|
|
);
|
|
if (!label) continue;
|
|
let timeout;
|
|
h.onmouseenter = (e) => {
|
|
timeout = setTimeout(() => {
|
|
label.classList.add('show');
|
|
label.style.left = (e.offsetX || e.layerX) + 'px';
|
|
label.style.top = (e.offsetY || e.layerY) + 'px';
|
|
}, 300);
|
|
};
|
|
|
|
h.onmouseleave = (e) => {
|
|
clearTimeout(timeout);
|
|
label.classList.remove('show');
|
|
};
|
|
}
|
|
}
|
|
|
|
get_start_end_positions() {
|
|
if (!this.bars.length) return [0, 0, 0];
|
|
let { x, width } = this.bars[0].group.getBBox();
|
|
let min_start = x;
|
|
let max_start = x;
|
|
let max_end = x + width;
|
|
Array.prototype.forEach.call(this.bars, function ({ group }, i) {
|
|
let { x, width } = group.getBBox();
|
|
if (x < min_start) min_start = x;
|
|
if (x > max_start) max_start = x;
|
|
if (x + width > max_end) max_end = x + width;
|
|
});
|
|
return [min_start, max_start, max_end];
|
|
}
|
|
|
|
bind_bar_events() {
|
|
let is_dragging = false;
|
|
let x_on_start = 0;
|
|
let x_on_scroll_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;
|
|
|
|
const action_in_progress = () =>
|
|
is_dragging || is_resizing_left || is_resizing_right;
|
|
|
|
this.$svg.onclick = (e) => {
|
|
if (e.target.classList.contains('grid-row')) this.unselect_all();
|
|
};
|
|
$.on(this.$svg, 'mousemove', '.bar-wrapper, .handle', () => {
|
|
if (this.bar_being_dragged === false) this.bar_being_dragged = true;
|
|
});
|
|
$.on(this.$svg, 'mousedown', '.bar-wrapper, .handle', (e, element) => {
|
|
const bar_wrapper = $.closest('.bar-wrapper', element);
|
|
bars.forEach((bar) => bar.group.classList.remove('active'));
|
|
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');
|
|
|
|
if (this.popup) this.popup.hide();
|
|
|
|
x_on_start = e.offsetX || e.layerX;
|
|
y_on_start = e.offsetY || e.layerY;
|
|
|
|
parent_bar_id = bar_wrapper.getAttribute('data-id');
|
|
let ids;
|
|
if (this.options.move_dependencies) {
|
|
ids = [
|
|
parent_bar_id,
|
|
...this.get_all_dependent_tasks(parent_bar_id),
|
|
];
|
|
} else {
|
|
ids = [parent_bar_id];
|
|
}
|
|
bars = ids.map((id) => this.get_bar(id));
|
|
|
|
this.bar_being_dragged = false;
|
|
|
|
bars.forEach((bar) => {
|
|
const $bar = bar.$bar;
|
|
$bar.ox = $bar.getX();
|
|
$bar.oy = $bar.getY();
|
|
$bar.owidth = $bar.getWidth();
|
|
$bar.finaldx = 0;
|
|
});
|
|
});
|
|
|
|
if (this.options.infinite_padding) {
|
|
let extended = false;
|
|
$.on(this.$container, 'mousewheel', (e) => {
|
|
let trigger = this.$container.scrollWidth / 2;
|
|
if (!extended && e.currentTarget.scrollLeft <= trigger) {
|
|
let old_scroll_left = e.currentTarget.scrollLeft;
|
|
extended = true;
|
|
|
|
this.gantt_start = date_utils.add(
|
|
this.gantt_start,
|
|
-this.config.extend_by_units,
|
|
this.config.unit,
|
|
);
|
|
this.setup_date_values();
|
|
this.render();
|
|
e.currentTarget.scrollLeft =
|
|
old_scroll_left +
|
|
this.config.column_width * this.config.extend_by_units;
|
|
setTimeout(() => (extended = false), 300);
|
|
}
|
|
|
|
if (
|
|
!extended &&
|
|
e.currentTarget.scrollWidth -
|
|
(e.currentTarget.scrollLeft +
|
|
e.currentTarget.clientWidth) <=
|
|
trigger
|
|
) {
|
|
let old_scroll_left = e.currentTarget.scrollLeft;
|
|
extended = true;
|
|
this.gantt_end = date_utils.add(
|
|
this.gantt_end,
|
|
this.config.extend_by_units,
|
|
this.config.unit,
|
|
);
|
|
this.setup_date_values();
|
|
this.render();
|
|
e.currentTarget.scrollLeft = old_scroll_left;
|
|
setTimeout(() => (extended = false), 300);
|
|
}
|
|
});
|
|
}
|
|
|
|
$.on(this.$container, 'scroll', (e) => {
|
|
let localBars = [];
|
|
const ids = this.bars.map(({ group }) =>
|
|
group.getAttribute('data-id'),
|
|
);
|
|
let dx;
|
|
if (x_on_scroll_start) {
|
|
dx = e.currentTarget.scrollLeft - x_on_scroll_start;
|
|
}
|
|
|
|
// Calculate current scroll position's upper text
|
|
this.current_date = date_utils.add(
|
|
this.gantt_start,
|
|
(e.currentTarget.scrollLeft / this.config.column_width) *
|
|
this.config.step,
|
|
this.config.unit,
|
|
);
|
|
|
|
let current_upper = this.config.view_mode.upper_text(
|
|
this.current_date,
|
|
null,
|
|
this.options.language,
|
|
);
|
|
let $el = this.upperTexts.find(
|
|
(el) => el.textContent === current_upper,
|
|
);
|
|
|
|
// Recalculate for smoother experience
|
|
this.current_date = date_utils.add(
|
|
this.gantt_start,
|
|
((e.currentTarget.scrollLeft + $el.clientWidth) /
|
|
this.config.column_width) *
|
|
this.config.step,
|
|
this.config.unit,
|
|
);
|
|
current_upper = this.config.view_mode.upper_text(
|
|
this.current_date,
|
|
null,
|
|
this.options.language,
|
|
);
|
|
$el = this.upperTexts.find(
|
|
(el) => el.textContent === current_upper,
|
|
);
|
|
|
|
if ($el !== this.$current) {
|
|
if (this.$current)
|
|
this.$current.classList.remove('current-upper');
|
|
|
|
$el.classList.add('current-upper');
|
|
this.$current = $el;
|
|
}
|
|
|
|
x_on_scroll_start = e.currentTarget.scrollLeft;
|
|
let [min_start, max_start, max_end] =
|
|
this.get_start_end_positions();
|
|
|
|
if (x_on_scroll_start > max_end + 100) {
|
|
this.$adjust.innerHTML = '←';
|
|
this.$adjust.classList.remove('hide');
|
|
this.$adjust.onclick = () => {
|
|
this.$container.scrollTo({
|
|
left: max_start,
|
|
behavior: 'smooth',
|
|
});
|
|
};
|
|
} else if (
|
|
x_on_scroll_start + e.currentTarget.offsetWidth <
|
|
min_start - 100
|
|
) {
|
|
this.$adjust.innerHTML = '→';
|
|
this.$adjust.classList.remove('hide');
|
|
this.$adjust.onclick = () => {
|
|
this.$container.scrollTo({
|
|
left: min_start,
|
|
behavior: 'smooth',
|
|
});
|
|
};
|
|
} else {
|
|
this.$adjust.classList.add('hide');
|
|
}
|
|
|
|
if (dx) {
|
|
localBars = ids.map((id) => this.get_bar(id));
|
|
if (this.options.auto_move_label) {
|
|
localBars.forEach((bar) => {
|
|
bar.update_label_position_on_horizontal_scroll({
|
|
x: dx,
|
|
sx: e.currentTarget.scrollLeft,
|
|
});
|
|
});
|
|
}
|
|
}
|
|
});
|
|
|
|
$.on(this.$svg, 'mousemove', (e) => {
|
|
if (!action_in_progress()) return;
|
|
const dx = (e.offsetX || e.layerX) - x_on_start;
|
|
|
|
bars.forEach((bar) => {
|
|
const $bar = bar.$bar;
|
|
$bar.finaldx = this.get_snap_position(dx, $bar.ox);
|
|
this.hide_popup();
|
|
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 &&
|
|
!this.options.readonly &&
|
|
!this.options.readonly_dates
|
|
) {
|
|
bar.update_bar_position({ x: $bar.ox + $bar.finaldx });
|
|
}
|
|
});
|
|
});
|
|
|
|
document.addEventListener('mouseup', () => {
|
|
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.compute_progress();
|
|
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 || e.layerX;
|
|
y_on_start = e.offsetY || e.layerY;
|
|
|
|
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.owidth;
|
|
$bar_progress.max_dx = $bar.getWidth() - $bar_progress.getWidth();
|
|
});
|
|
|
|
const range_positions = this.config.ignored_positions.map((d) => [
|
|
d,
|
|
d + this.config.column_width,
|
|
]);
|
|
|
|
$.on(this.$svg, 'mousemove', (e) => {
|
|
if (!is_resizing) return;
|
|
let now_x = e.offsetX || e.layerX;
|
|
|
|
let moving_right = now_x > x_on_start;
|
|
if (moving_right) {
|
|
let k = range_positions.find(
|
|
([begin, end]) => now_x >= begin && now_x < end,
|
|
);
|
|
while (k) {
|
|
now_x = k[1];
|
|
k = range_positions.find(
|
|
([begin, end]) => now_x >= begin && now_x < end,
|
|
);
|
|
}
|
|
} else {
|
|
let k = range_positions.find(
|
|
([begin, end]) => now_x > begin && now_x <= end,
|
|
);
|
|
while (k) {
|
|
now_x = k[0];
|
|
k = range_positions.find(
|
|
([begin, end]) => now_x > begin && now_x <= end,
|
|
);
|
|
}
|
|
}
|
|
|
|
let dx = now_x - x_on_start;
|
|
if (dx > $bar_progress.max_dx) {
|
|
dx = $bar_progress.max_dx;
|
|
}
|
|
if (dx < $bar_progress.min_dx) {
|
|
dx = $bar_progress.min_dx;
|
|
}
|
|
|
|
$bar_progress.setAttribute('width', $bar_progress.owidth + dx);
|
|
$.attr(bar.$handle_progress, 'cx', $bar_progress.getEndX());
|
|
|
|
$bar_progress.finaldx = dx;
|
|
});
|
|
|
|
$.on(this.$svg, 'mouseup', () => {
|
|
is_resizing = false;
|
|
if (!($bar_progress && $bar_progress.finaldx)) return;
|
|
|
|
$bar_progress.finaldx = 0;
|
|
bar.progress_changed();
|
|
bar.set_action_completed();
|
|
bar = null;
|
|
$bar_progress = null;
|
|
$bar = null;
|
|
});
|
|
}
|
|
|
|
get_all_dependent_tasks(task_id) {
|
|
let out = [];
|
|
let to_process = [task_id];
|
|
while (to_process.length) {
|
|
const deps = to_process.reduce((acc, curr) => {
|
|
acc = acc.concat(this.dependency_map[curr]);
|
|
return acc;
|
|
}, []);
|
|
|
|
out = out.concat(deps);
|
|
to_process = deps.filter((d) => !to_process.includes(d));
|
|
}
|
|
|
|
return out.filter(Boolean);
|
|
}
|
|
|
|
get_snap_position(dx, ox) {
|
|
let unit_length = 1;
|
|
const default_snap =
|
|
this.options.snap_at || this.config.view_mode.snap_at || '1d';
|
|
|
|
if (default_snap !== 'unit') {
|
|
const { duration, scale } = date_utils.parse_duration(default_snap);
|
|
unit_length =
|
|
date_utils.convert_scales(this.config.view_mode.step, scale) /
|
|
duration;
|
|
}
|
|
|
|
const rem = dx % (this.config.column_width / unit_length);
|
|
|
|
let final_dx =
|
|
dx -
|
|
rem +
|
|
(rem < (this.config.column_width / unit_length) * 2
|
|
? 0
|
|
: this.config.column_width / unit_length);
|
|
let final_pos = ox + final_dx;
|
|
|
|
const drn = final_dx > 0 ? 1 : -1;
|
|
let ignored_regions = this.get_ignored_region(final_pos, drn);
|
|
while (ignored_regions.length) {
|
|
final_pos += this.config.column_width * drn;
|
|
ignored_regions = this.get_ignored_region(final_pos, drn);
|
|
if (!ignored_regions.length)
|
|
final_pos -= this.config.column_width * drn;
|
|
}
|
|
return final_pos - ox;
|
|
}
|
|
|
|
get_ignored_region(pos, drn = 1) {
|
|
if (drn === 1) {
|
|
return this.config.ignored_positions.filter((val) => {
|
|
return pos > val && pos <= val + this.config.column_width;
|
|
});
|
|
} else {
|
|
return this.config.ignored_positions.filter(
|
|
(val) => pos >= val && pos < val + this.config.column_width,
|
|
);
|
|
}
|
|
}
|
|
|
|
unselect_all() {
|
|
[...this.$svg.querySelectorAll('.bar-wrapper')].forEach((el) => {
|
|
el.classList.remove('active');
|
|
});
|
|
if (this.popup) this.popup.parent.classList.add('hide');
|
|
this.$container
|
|
.querySelectorAll('.date-range-highlight')
|
|
.forEach((k) => k.classList.add('hide'));
|
|
}
|
|
|
|
view_is(modes) {
|
|
if (typeof modes === 'string') {
|
|
return this.config.view_mode.name === modes;
|
|
}
|
|
|
|
if (Array.isArray(modes)) {
|
|
return modes.some(view_is);
|
|
}
|
|
|
|
return this.config.view_mode.name === modes.name;
|
|
}
|
|
|
|
get_task(id) {
|
|
return this.tasks.find((task) => {
|
|
return task.id === id;
|
|
});
|
|
}
|
|
|
|
get_bar(id) {
|
|
return this.bars.find((bar) => {
|
|
return bar.task.id === id;
|
|
});
|
|
}
|
|
|
|
show_popup(opts) {
|
|
if (this.options.popup === false) return;
|
|
if (!this.popup) {
|
|
this.popup = new Popup(
|
|
this.$popup_wrapper,
|
|
this.options.popup,
|
|
this,
|
|
);
|
|
}
|
|
this.popup.show(opts);
|
|
}
|
|
|
|
hide_popup() {
|
|
this.popup && this.popup.hide();
|
|
}
|
|
|
|
trigger_event(event, args) {
|
|
if (this.options['on_' + event]) {
|
|
this.options['on_' + event].apply(this, args);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the oldest starting date from the list of tasks
|
|
*
|
|
* @returns Date
|
|
* @memberof Gantt
|
|
*/
|
|
get_oldest_starting_date() {
|
|
if (!this.tasks.length) return new 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.$svg.innerHTML = '';
|
|
this.$header?.remove?.();
|
|
this.$side_header?.remove?.();
|
|
this.$current_highlight?.remove?.();
|
|
this.$extras?.remove?.();
|
|
this.popup?.hide?.();
|
|
}
|
|
}
|
|
|
|
Gantt.VIEW_MODE = {
|
|
HOUR: DEFAULT_VIEW_MODES[0],
|
|
QUARTER_DAY: DEFAULT_VIEW_MODES[1],
|
|
HALF_DAY: DEFAULT_VIEW_MODES[2],
|
|
DAY: DEFAULT_VIEW_MODES[3],
|
|
WEEK: DEFAULT_VIEW_MODES[4],
|
|
MONTH: DEFAULT_VIEW_MODES[5],
|
|
YEAR: DEFAULT_VIEW_MODES[6],
|
|
};
|
|
|
|
function generate_id(task) {
|
|
return task.name + '_' + Math.random().toString(36).slice(2, 12);
|
|
}
|
|
|
|
function sanitize(s) {
|
|
return s.replaceAll(' ', '_').replaceAll(':', '_').replaceAll('.', '_');
|
|
}
|