589 lines
15 KiB
JavaScript
589 lines
15 KiB
JavaScript
import date_utils from "./date_utils";
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import { $, createSVG, animateSVG } from "./svg_utils";
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export default 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.image_size = this.height - 5;
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this.compute_x();
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this.compute_y();
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this.compute_duration();
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this.corner_radius = this.gantt.options.bar_corner_radius;
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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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prepare_expected_progress_values() {
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this.compute_expected_progress();
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this.expected_progress_width =
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this.gantt.options.column_width *
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this.duration *
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(this.expected_progress / 100) || 0;
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}
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draw() {
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this.draw_bar();
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if (this.gantt.options.show_expected_progress) {
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this.prepare_expected_progress_values();
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this.draw_expected_progress_bar();
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}
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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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if (this.task.thumbnail) {
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this.draw_thumbnail();
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}
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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_expected_progress_bar() {
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if (this.invalid) return;
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this.$expected_bar_progress = createSVG("rect", {
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x: this.x,
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y: this.y,
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width: this.expected_progress_width,
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height: this.height,
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rx: this.corner_radius,
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ry: this.corner_radius,
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class: "bar-expected-progress",
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append_to: this.bar_group,
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});
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animateSVG(
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this.$expected_bar_progress,
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"width",
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0,
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this.expected_progress_width,
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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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let x_coord = this.x + 5;
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if (this.task.thumbnail) {
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x_coord = this.x + this.image_size + 5;
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}
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createSVG("text", {
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x: x_coord,
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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_thumbnail() {
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let x_offset = 10, y_offset = 2;
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let defs, clipPath;
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defs = createSVG('defs', {
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append_to: this.bar_group
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});
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createSVG('rect', {
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id: 'rect_' + this.task.id,
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x: this.x + x_offset,
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y: this.y + y_offset,
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width: this.image_size,
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height: this.image_size,
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rx: '15',
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class: 'img_mask',
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append_to: defs
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});
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clipPath = createSVG('clipPath', {
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id: 'clip_' + this.task.id,
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append_to: defs
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});
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createSVG('use', {
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href: '#rect_' + this.task.id,
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append_to: clipPath
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});
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createSVG('image', {
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x: this.x + x_offset,
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y: this.y + y_offset,
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width: this.image_size,
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height: this.image_size,
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class: 'bar-img',
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href: this.task.thumbnail,
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clipPath: 'clip_' + this.task.id,
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append_to: this.bar_group
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});
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}
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draw_resize_handles() {
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if (this.invalid || this.gantt.options.readonly) return;
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const bar = this.$bar;
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const handle_width = 8;
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createSVG("rect", {
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x: bar.getX() + bar.getWidth() - 9,
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y: bar.getY() + 1,
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width: handle_width,
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height: this.height - 2,
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rx: this.corner_radius,
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ry: this.corner_radius,
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class: "handle right",
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append_to: this.handle_group,
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});
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createSVG("rect", {
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x: bar.getX() + 1,
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y: bar.getY() + 1,
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width: handle_width,
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height: this.height - 2,
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rx: this.corner_radius,
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ry: this.corner_radius,
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class: "handle left",
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append_to: this.handle_group,
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});
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this.$handle_progress = createSVG("polygon", {
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points: this.get_progress_polygon_points().join(","),
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class: "handle progress",
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append_to: this.handle_group,
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});
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}
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get_progress_polygon_points() {
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const bar_progress = this.$bar_progress;
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return [
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bar_progress.getEndX() - 5,
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bar_progress.getY() + bar_progress.getHeight(),
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bar_progress.getEndX() + 5,
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bar_progress.getY() + bar_progress.getHeight(),
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bar_progress.getEndX(),
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bar_progress.getY() + bar_progress.getHeight() - 8.66,
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];
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}
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bind() {
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if (this.invalid) return;
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this.setup_click_event();
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}
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setup_click_event() {
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let in_action = false;
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$.on(this.group, "focus " + this.gantt.options.popup_trigger, (e) => {
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if (this.action_completed) {
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// just finished a move action, wait for a few seconds
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return;
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}
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if (in_action) {
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this.gantt.hide_popup();
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this.group.classList.remove("active");
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} else {
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this.show_popup();
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this.gantt.unselect_all();
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this.group.classList.add("active");
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}
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in_action = !in_action
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});
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$.on(this.group, "dblclick", (e) => {
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if (this.action_completed) {
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// just finished a move action, wait for a few seconds
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return;
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}
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this.gantt.trigger_event("click", [this.task]);
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});
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}
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show_popup() {
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if (this.gantt.bar_being_dragged) return;
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const start_date = date_utils.format(
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this.task._start,
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"MMM D",
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this.gantt.options.language,
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);
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const end_date = date_utils.format(
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date_utils.add(this.task._end, -1, "second"),
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"MMM D",
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this.gantt.options.language,
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);
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const subtitle = start_date + " - " + end_date;
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this.gantt.show_popup({
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target_element: this.$bar,
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title: this.task.name,
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subtitle: subtitle,
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task: this.task,
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});
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}
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update_bar_position({ x = null, width = null }) {
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const bar = this.$bar;
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if (x) {
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// get all x values of parent task
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const xs = this.task.dependencies.map((dep) => {
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return this.gantt.get_bar(dep).$bar.getX();
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});
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// child task must not go before parent
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const valid_x = xs.reduce((prev, curr) => {
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return x >= curr;
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}, x);
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if (!valid_x) {
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width = null;
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return;
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}
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this.update_attr(bar, "x", x);
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}
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if (width) {
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this.update_attr(bar, "width", width);
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}
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this.update_label_position();
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this.update_handle_position();
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if (this.gantt.options.show_expected_progress) {
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this.date_changed();
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this.compute_duration();
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this.update_expected_progressbar_position();
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}
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this.update_progressbar_position();
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this.update_arrow_position();
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}
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update_label_position_on_horizontal_scroll({ x, sx }) {
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const container = document.querySelector('.gantt-container');
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const label = this.group.querySelector('.bar-label');
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const img = this.group.querySelector('.bar-img') || '';
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const img_mask = this.bar_group.querySelector('.img_mask') || '';
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let barWidthLimit = this.$bar.getX() + this.$bar.getWidth();
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let newLabelX = label.getX() + x;
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let newImgX = img && img.getX() + x || 0;
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let imgWidth = img && img.getBBox().width + 7 || 7;
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let labelEndX = newLabelX + label.getBBox().width + 7;
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let viewportCentral = sx + container.clientWidth / 2;
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if (label.classList.contains('big')) return;
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if (labelEndX < barWidthLimit && x > 0 && labelEndX < viewportCentral) {
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label.setAttribute('x', newLabelX);
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if (img) {
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img.setAttribute('x', newImgX);
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img_mask.setAttribute('x', newImgX);
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}
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} else if ((newLabelX - imgWidth) > this.$bar.getX() && x < 0 && labelEndX > viewportCentral) {
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label.setAttribute('x', newLabelX);
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if (img) {
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img.setAttribute('x', newImgX);
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img_mask.setAttribute('x', newImgX);
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}
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}
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}
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date_changed() {
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let changed = false;
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const { new_start_date, new_end_date } = this.compute_start_end_date();
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if (Number(this.task._start) !== Number(new_start_date)) {
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changed = true;
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this.task._start = new_start_date;
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}
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if (Number(this.task._end) !== Number(new_end_date)) {
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changed = true;
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this.task._end = new_end_date;
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}
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if (!changed) return;
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this.gantt.trigger_event("date_change", [
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this.task,
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new_start_date,
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date_utils.add(new_end_date, -1, "second"),
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]);
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}
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progress_changed() {
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const new_progress = this.compute_progress();
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this.task.progress = new_progress;
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this.gantt.trigger_event("progress_change", [this.task, new_progress]);
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}
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set_action_completed() {
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this.action_completed = true;
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setTimeout(() => (this.action_completed = false), 1000);
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}
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compute_start_end_date() {
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const bar = this.$bar;
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const x_in_units = bar.getX() / this.gantt.options.column_width;
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const new_start_date = date_utils.add(
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this.gantt.gantt_start,
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x_in_units * this.gantt.options.step,
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"hour",
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);
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const width_in_units = bar.getWidth() / this.gantt.options.column_width;
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const new_end_date = date_utils.add(
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new_start_date,
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width_in_units * this.gantt.options.step,
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"hour",
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);
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return { new_start_date, new_end_date };
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}
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compute_progress() {
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const progress =
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(this.$bar_progress.getWidth() / this.$bar.getWidth()) * 100;
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return parseInt(progress, 10);
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}
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compute_expected_progress() {
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this.expected_progress =
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date_utils.diff(date_utils.today(), this.task._start, "hour") /
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this.gantt.options.step;
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this.expected_progress =
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((this.expected_progress < this.duration
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? this.expected_progress
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: this.duration) *
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100) /
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this.duration;
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}
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compute_x() {
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const { step, column_width } = this.gantt.options;
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const task_start = this.task._start;
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const gantt_start = this.gantt.gantt_start;
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const diff = date_utils.diff(task_start, gantt_start, "hour");
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let x = (diff / step) * column_width;
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if (this.gantt.view_is("Month")) {
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const diff = date_utils.diff(task_start, gantt_start, "day");
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x = (diff * column_width) / 30;
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}
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this.x = x;
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}
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compute_y() {
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this.y =
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this.gantt.options.header_height +
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this.gantt.options.padding +
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this.task._index * (this.height + this.gantt.options.padding);
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}
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compute_duration() {
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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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}
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get_snap_position(dx) {
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let odx = dx,
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rem,
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position;
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if (this.gantt.view_is("Week")) {
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rem = dx % (this.gantt.options.column_width / 7);
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position =
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odx -
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rem +
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(rem < this.gantt.options.column_width / 14
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? 0
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: this.gantt.options.column_width / 7);
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} else if (this.gantt.view_is("Month")) {
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rem = dx % (this.gantt.options.column_width / 30);
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position =
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odx -
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rem +
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(rem < this.gantt.options.column_width / 60
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? 0
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: this.gantt.options.column_width / 30);
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} else {
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rem = dx % this.gantt.options.column_width;
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position =
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odx -
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rem +
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(rem < this.gantt.options.column_width / 2
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? 0
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: this.gantt.options.column_width);
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}
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return position;
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}
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update_attr(element, attr, value) {
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value = +value;
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if (!isNaN(value)) {
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element.setAttribute(attr, value);
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}
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return element;
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}
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update_expected_progressbar_position() {
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if (this.invalid) return;
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this.$expected_bar_progress.setAttribute("x", this.$bar.getX());
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this.compute_expected_progress();
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this.$expected_bar_progress.setAttribute(
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"width",
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this.gantt.options.column_width *
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this.duration *
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(this.expected_progress / 100) || 0,
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);
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}
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update_progressbar_position() {
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if (this.invalid || this.gantt.options.readonly) return;
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this.$bar_progress.setAttribute("x", this.$bar.getX());
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this.$bar_progress.setAttribute(
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"width",
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this.$bar.getWidth() * (this.task.progress / 100),
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);
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}
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update_label_position() {
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const img_mask = this.bar_group.querySelector('.img_mask') || '';
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const bar = this.$bar,
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label = this.group.querySelector(".bar-label"),
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img = this.group.querySelector('.bar-img');
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let padding = 5;
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let x_offset_label_img = this.image_size + 10;
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if (label.getBBox().width > bar.getWidth()) {
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label.classList.add("big");
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if (img) {
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img.setAttribute('x', bar.getX() + bar.getWidth() + padding);
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img_mask.setAttribute('x', bar.getX() + bar.getWidth() + padding);
|
|
label.setAttribute('x', bar.getX() + bar.getWidth() + x_offset_label_img);
|
|
} else {
|
|
label.setAttribute('x', bar.getX() + bar.getWidth() + padding);
|
|
}
|
|
} else {
|
|
label.classList.remove("big");
|
|
if (img) {
|
|
img.setAttribute('x', bar.getX() + padding);
|
|
img_mask.setAttribute('x', bar.getX() + padding);
|
|
label.setAttribute('x', bar.getX() + x_offset_label_img);
|
|
} else {
|
|
label.setAttribute('x', bar.getX() + padding);
|
|
}
|
|
}
|
|
}
|
|
|
|
update_handle_position() {
|
|
if (this.invalid || this.gantt.options.readonly) return;
|
|
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();
|
|
}
|
|
}
|
|
}
|
|
|
|
function isFunction(functionToCheck) {
|
|
var getType = {};
|
|
return (
|
|
functionToCheck &&
|
|
getType.toString.call(functionToCheck) === "[object Function]"
|
|
);
|
|
}
|