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Ray 2024-08-14 23:11:05 +01:00
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/dist
/node_modules

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<!doctype html>
<html lang="en-GB">
<head>
<meta charset="UTF-8" />
<meta http-equiv="content-type" content="text/html" charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="description" content="" />
<meta name="keyword" content="" />
<title></title>
<script src="dist/project.dist.js"></script>
<style>
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
font-size: 10pt;
padding: 10px;
}
.column {
float: left;
padding: 0px;
}
.left {
width: 50%;
}
.right {
width: 50%;
}
.row:after {
content: "";
display: table;
clear: both;
}
</style>
</head>
<body>
<div class="row">
<div class="column left" id="projectPlanner1">
</div>
<div class="column right">
<div id="ganttChart1"></div>
</div>
</div>
<script>
Document.ready = async function(fn) {
(async function() {
(document.readyState !== 'loading') ?
fn() : document.addEventListener('DOMContentLoaded',
function() {
fn();
});
})();
}
Document.ready(async function() {
var project1 = new LiteRyzJS.Project({ Name: "New Project 1" });
var taskGrid1 = null;
var ganttChart1 = null;
var tasks = [
{"Order":1,"ID":1,"Name":"Task A","Description":"","Tag":null,"StartDate":"2024-08-11T23:00:00.000Z","FinishDate":"2024-08-14T23:00:00.000Z","StartDelay":0,"Duration":3,"PredecessorTaskID":null,"IsCollated":false,"CollatedTaskID":null,"CalcWorkHours":22.5,"ActuWorkHours":null,"Progress":0,"Resources":[],"Level":0,"PredecessorTaskNo":null},
{"Order":2,"ID":2,"Name":"Task B","Description":"","Tag":null,"StartDate":"2024-08-14T23:00:00.000Z","FinishDate":"2024-08-28T23:00:00.000Z","StartDelay":0,"Duration":14,"PredecessorTaskID":1,"IsCollated":false,"CollatedTaskID":null,"CalcWorkHours":105,"ActuWorkHours":null,"Progress":0,"Resources":[],"Level":0,"PredecessorTaskNo":1},
{"Order":3,"ID":5,"Name":"Task B1","Description":"","Tag":null,"StartDate":"2024-08-29T23:00:00.000Z","FinishDate":"2024-09-26T23:00:00.000Z","StartDelay":1,"Duration":28,"PredecessorTaskID":2,"IsCollated":true,"CollatedTaskID":null,"CalcWorkHours":210,"ActuWorkHours":null,"Progress":25,"Resources":[],"Level":0,"PredecessorTaskNo":2},
{"Order":4,"ID":6,"Name":"Task B11","Description":"","Tag":null,"StartDate":"2024-09-02T23:00:00.000Z","FinishDate":"2024-09-26T23:00:00.000Z","StartDelay":4,"Duration":24,"PredecessorTaskID":null,"IsCollated":false,"CollatedTaskID":5,"CalcWorkHours":180,"ActuWorkHours":null,"Progress":0,"Resources":[],"Level":1,"PredecessorTaskNo":null},
{"Order":5,"ID":7,"Name":"Task B12","Description":"","Tag":null,"StartDate":"2024-08-30T23:00:00.000Z","FinishDate":"2024-09-25T23:00:00.000Z","StartDelay":1,"Duration":26,"PredecessorTaskID":null,"IsCollated":false,"CollatedTaskID":5,"CalcWorkHours":0,"ActuWorkHours":null,"Progress":50,"Resources":[],"Level":1,"PredecessorTaskNo":null},
{"Order":6,"ID":8,"Name":"Task E","Description":"","Tag":null,"StartDate":"2024-08-11T23:00:00.000Z","FinishDate":"2024-08-26T23:00:00.000Z","StartDelay":0,"Duration":15,"PredecessorTaskID":null,"IsCollated":true,"CollatedTaskID":null,"CalcWorkHours":112.5,"ActuWorkHours":null,"Progress":0,"Resources":[],"Level":0,"PredecessorTaskNo":null},
{"Order":7,"ID":3,"Name":"Task C","Description":"","Tag":null,"StartDate":"2024-08-26T23:00:00.000Z","FinishDate":"2024-09-13T23:00:00.000Z","StartDelay":0,"Duration":18,"PredecessorTaskID":8,"IsCollated":false,"CollatedTaskID":null,"CalcWorkHours":135,"ActuWorkHours":null,"Progress":0,"Resources":[],"Level":0,"PredecessorTaskNo":6},
{"Order":8,"ID":4,"Name":"Task D","Description":"","Tag":null,"StartDate":"2024-09-14T23:00:00.000Z","FinishDate":"2024-09-24T23:00:00.000Z","StartDelay":1,"Duration":10,"PredecessorTaskID":3,"IsCollated":false,"CollatedTaskID":null,"CalcWorkHours":0,"ActuWorkHours":null,"Progress":0,"Resources":[],"Level":0,"PredecessorTaskNo":7},
{"Order":9,"ID":9,"Name":"Task E1","Description":"","Tag":null,"StartDate":"2024-08-14T23:00:00.000Z","FinishDate":"2024-08-26T23:00:00.000Z","StartDelay":3,"Duration":12,"PredecessorTaskID":null,"IsCollated":false,"CollatedTaskID":8,"CalcWorkHours":90,"ActuWorkHours":null,"Progress":0,"Resources":[],"Level":1,"PredecessorTaskNo":null}]
;
tasks.forEach((e, i) => {
project1.AddTask(e);
});
// project1.AddTask({
// ID: 1,
// Name: "Task A",
// StartDelay: 0,
// Duration: Math.randomN(0, 28),
// PredecessorTaskID: null,
// IsCollated: false,
// CollatedTaskID: null
// });
// project1.AddTask({
// ID: 2,
// Name: "Task B",
// StartDelay: Math.randomN(0, 5),
// Duration: Math.randomN(0, 28),
// PredecessorTaskID: 1,
// IsCollated: false,
// CollatedTaskID: null
// });
// project1.AddTask({
// ID: 5,
// Name: "Task B1",
// StartDelay: Math.randomN(0, 5),
// Duration: Math.randomN(0, 28),
// PredecessorTaskID: 2,
// IsCollated: true,
// CollatedTaskID: null
// });
// project1.AddTask({
// ID: 6,
// Name: "Task B11",
// StartDelay: Math.randomN(0, 5),
// Duration: Math.randomN(0, 28),
// PredecessorTaskID: null,
// IsCollated: false,
// CollatedTaskID: 5
// });
// project1.AddTask({
// ID: 7,
// Name: "Task B12",
// StartDelay: Math.randomN(0, 5),
// Duration: Math.randomN(0, 28),
// PredecessorTaskID: null,
// IsCollated: false,
// CollatedTaskID: 5,
// Progress: 50
// });
// project1.AddTask({
// ID: 8,
// Name: "Task E",
// StartDelay: Math.randomN(0, 5),
// Duration: Math.randomN(0, 28),
// PredecessorTaskID: null,
// IsCollated: true,
// CollatedTaskID: null
// });
// project1.AddTask({
// ID: 9,
// Name: "Task E1",
// StartDelay: Math.randomN(0, 5),
// Duration: Math.randomN(0, 28),
// PredecessorTaskID: null,
// IsCollated: false,
// CollatedTaskID: 8
// });
// project1.AddTask({
// ID: 3,
// Name: "Task C",
// StartDelay: Math.randomN(0, 5),
// Duration: Math.randomN(0, 28),
// PredecessorTaskID: 8,
// IsCollated: false,
// CollatedTaskID: null
// });
// project1.AddTask({
// ID: 4,
// Name: "Task D",
// StartDelay: Math.randomN(0, 5),
// Duration: Math.randomN(0, 28),
// PredecessorTaskID: 3,
// IsCollated: false,
// CollatedTaskID: null
// });
project1.Invalidate();
console.log(new Date(project1.StartDate).toLocaleDateString() + " - " + new Date(project1.FinishDate).toLocaleDateString() + " [" + project1.Duration + "]");
const taskData = project1.ExportTasks();
console.log(taskData);
if (taskGrid1 == null) {
taskGrid1 = new LiteRyzJS.ProjectPlanner(document.getElementById("projectPlanner1"));
}
taskGrid1.Load(taskData);
if (ganttChart1 == null) {
ganttChart1 = new LiteRyzJS.GanttChart(document.getElementById("ganttChart1"), { AutoSize: true });
}
ganttChart1.Load(project1);
// console.log(JSON.stringify(taskData));
// console.log(JSON.stringify(project1.Tasks));
});
</script>
</body>
</html>

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{
"name": "LiteRyzJS/Project",
"version": "0.2.0.248",
"devDependencies": {
"css-loader": "^7.1.2",
"sass": "^1.77.8",
"sass-loader": "^16.0.0",
"style-loader": "^4.0.0",
"webpack": "^5.93.0",
"webpack-cli": "^5.1.4"
},
"scripts": {
"build": "webpack",
"watch": "webpack --watch"
}
}

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// src/index.js
import Project from './project/project.js';
import ProjectPlanner from './project/project-planner.js';
import GanttChart from './project/gantt-chart.js';
export {
Project,
ProjectPlanner,
GanttChart
};

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import Canvas from '../references/canvas.js';
import './project.scss';
class GanttChart {
constructor(el, options) {
const a = this;
a.Canvas = new Canvas(el);
a.Options = Object.assign(a.DefaultOptions, options);
a.Debug = false;
a.Project = null;
a.StartDate = null;
a.#initialiseComponents();
}
#initialiseComponents() {
const a = this;
if (!a.Canvas.el.classList.contains("literyzjs-project")) {
a.Canvas.el.classList.add("literyzjs-project");
}
if (a.Canvas.FlowContainer.classList.contains("border")) {
a.Canvas.FlowContainer.classList.remove("border");
}
if (!a.Canvas.FlowContainer.classList.contains("gantt-chart")) {
a.Canvas.FlowContainer.classList.add("gantt-chart");
}
}
get DefaultOptions() {
return {
DayWidth: 24,
HeaderRow: {
Height: [ 19, 20 ]
},
Row: {
Height: 28,
BackColour: "rgba(235, 235, 235, 0.3)",
Task: {
Height: 14,
BorderColour: "#555555",
FillColour: "#D8EEDB"
},
OrphanTask: {
Height: 14,
BorderColour: "#555555",
FillColour: "#9CC2E6"
},
CollatedTask: {
Height: 6,
BorderColour: "#555555",
FillColour: "#555555"
}
},
Column: {
SatColour: "rgba(233, 237, 239, 0.8)",
SunColour: "rgba(233, 237, 239, 0.9)",
},
Line: {
Colour: "#555555",
Width: 1,
ArrowSize: 5
},
DateFont: "7pt sans-serif",
DateForeColour: "#636363",
BorderWidth: 1,
BorderColour: "#B8B8B8",
BorderDashPattern: [1, 1],
ShowDateLines: true,
ShowStartDayOfWeekLine: true,
ShowRowLines: true,
ShowRowStripes: true
};
}
get HeaderRow1Rectangle() {
return {
X: 0,
Y: 0,
W: this.Canvas.Width,
H: (this.Options.HeaderRow.Height[0] - this.Options.BorderWidth)
};
}
get HeaderRow2Rectangle() {
const a = this;
return {
X: 0,
Y: this.Options.HeaderRow.Height[0],
W: this.Canvas.Width,
H: (this.Options.HeaderRow.Height[1] - this.Options.BorderWidth)
};
}
get HeaderHeight() {
const a = this;
return a.Options.HeaderRow.Height[0] + a.Options.HeaderRow.Height[1];
}
Invalidate() {
const a = this;
a.Canvas.Clear();
if (a.Project == null) {
return;
}
const tasks = a.Project.ExportTasks();
const width = ((a.Project.Duration + 2) * a.Options.DayWidth);
const height = (tasks.length * a.Options.Row.Height) + a.HeaderHeight;
a.Canvas.Size = { W: width, H: height };
a.Canvas.Invalidate();
a.#drawChartHeader(a.Project.Duration);
a.#drawColumnLayout(a.Project.Duration, a.Project.Project.StartOfWeek);
a.#drawRowLayout(tasks);
a.#drawTasks(tasks);
a.#drawConnectorLines(tasks);
}
Load(project) {
const a = this;
a.Canvas.Clear();
if (project == null) {
return;
}
a.Project = project;
a.StartDate = new Date(project.StartDate);
a.Invalidate();
}
#drawChartHeader(projectDuration) {
const a = this;
const displayDays = projectDuration + 2;
if (a.Debug) {
a.Canvas.DrawRectangle(a.HeaderRow1Rectangle, "red", {});
a.Canvas.DrawRectangle(a.HeaderRow2Rectangle, "orange", {});
}
let startDate = new Date(a.StartDate);
startDate.addDays(-1);
// Draw horizontal line under months
a.#drawHorizontalLine(a.Options.HeaderRow.Height[0]);
// Draw vertical lines for dates
for (let i=1; i<displayDays; i++) {
a.Canvas.DrawVerticalLine((a.Options.DayWidth * i), (a.Options.HeaderRow.Height[0] + a.Options.BorderWidth), (a.Options.HeaderRow.Height[1] - a.Options.BorderWidth), a.Options.BorderColour, {});
}
// Draw horizontal line under dates
a.#drawHorizontalLine(a.HeaderHeight);
// Write dates
for (let i=0; i<displayDays; i++) {
const date = Date.addDays(startDate, i);
const x = (a.Options.DayWidth * i);
// Draw month
if (date.getDate() == 1) {
const size = a.Canvas.MeasureText(a.Options.DateFont, "#");
const monthPoint = {
X: (x + 2),
Y: Math.half(a.Options.HeaderRow.Height[0] - size.H)
};
a.Canvas.DrawText(monthPoint.X, monthPoint.Y, date.toCString("MMMM"), a.Options.DateFont, a.Options.DateForeColour);
}
// Draw day
const dateRectangle = {
X: x,
Y: a.Options.HeaderRow.Height[0],
W: a.Options.DayWidth - a.Options.BorderWidth,
H: (a.Options.HeaderRow.Height[1] - a.Options.BorderWidth)
};
a.Canvas.FillText(dateRectangle, date.getDate(), a.Options.DateFont, a.Options.DateForeColour);
if (a.Debug) {
a.Canvas.DrawRectangle(dateRectangle, "red", {});
}
}
}
#drawColumnLayout(projectDuration, startOfWeek) {
const a = this;
const height = a.Canvas.Height;
const displayDays = projectDuration + 2;
let startDate = new Date(a.StartDate);
startDate.addDays(-1);
// Write dates
for (let i=0; i<displayDays; i++) {
const date = Date.addDays(startDate, i);
const x = (a.Options.DayWidth * i);
const dateRectangle = {
X: x,
Y: a.HeaderHeight,
W: a.Options.DayWidth - a.Options.BorderWidth,
H: height - a.Options.BorderWidth
};
// Fill background for Saturday and Sunday
if (date.getDay() == 6) {
a.Canvas.DrawRectangle(dateRectangle, a.Options.Column.SatColour, { FillColour: a.Options.Column.SatColour });
} else if (date.getDay() == 0) {
a.Canvas.DrawRectangle(dateRectangle, a.Options.Column.SunColour, { FillColour: a.Options.Column.SunColour });
}
// Draw vertical date lines
if (startOfWeek == date.getDay()) {
if (a.Options.ShowStartDayOfWeekLine) {
a.Canvas.DrawVerticalLine(dateRectangle.X, a.HeaderHeight, dateRectangle.H, a.Options.BorderColour, {});
}
} else {
if (a.Options.ShowDateLines) {
a.Canvas.DrawVerticalLine(dateRectangle.X, a.HeaderHeight, dateRectangle.H, a.Options.BorderColour, { LineDash: a.Options.BorderDashPattern });
}
}
}
}
#drawRowLayout(tasks) {
const a = this;
for (let i=0; i<tasks.length; i++) {
const rowRectangle = {
X: 0,
Y: (a.HeaderHeight + (a.Options.Row.Height * i)),
W: a.Canvas.Width,
H: (a.Options.Row.Height - a.Options.BorderWidth)
};
if (a.Options.ShowRowStripes) {
if ((i % 2) == 1) {
a.Canvas.DrawRectangle(rowRectangle, a.Options.Row.BackColour, { FillColour: a.Options.Row.BackColour });
}
}
if (a.Options.ShowRowLines) {
a.Canvas.DrawHorizontalLine(0, (rowRectangle.Y + a.Options.Row.Height), rowRectangle.W, a.Options.BorderColour, { LineDash: a.Options.BorderDashPattern });
}
}
}
#drawTasks(tasks) {
const a = this;
for (let i=0; i<tasks.length; i++) {
let style = a.Options.Row.Task;
if (tasks[i].IsCollated == true) {
style = a.Options.Row.CollatedTask;
} else if (tasks[i].PredecessorTaskNo == null) {
style = a.Options.Row.OrphanTask;
}
const rectangle = a.#getTaskRectangle(tasks[i], style);
if (tasks[i].Duration <= 0) {
a.Canvas.DrawDiamond(rectangle, style.BorderColour, { FillColour: style.FillColour });
} else {
a.Canvas.DrawRectangle(rectangle, style.BorderColour, { FillColour: style.FillColour });
}
}
}
#drawConnectorLines(tasks) {
const a = this;
for (let i=0; i<tasks.length; i++) {
if (tasks[i].PredecessorTaskID == null) {
continue;
}
if (tasks[i].PredecessorTaskNo == null) {
continue;
}
const style = ((tasks[i].IsCollated == true) ? a.Options.Row.CollatedTask : a.Options.Row.Task);
const rectangle = a.#getTaskRectangle(tasks[i], style);
const paddingX = (a.Options.Row.CollatedTask.Height + a.Options.BorderWidth);
const offsetX = (rectangle.X + paddingX);
const predecessorTask = tasks.first("Order", tasks[i].PredecessorTaskNo);
if (predecessorTask == null) {
continue;
}
const predecessorStyle = ((predecessorTask.IsCollated == true) ? a.Options.Row.CollatedTask : a.Options.Row.Task);
const predecessorRectangle = a.#getTaskRectangle(predecessorTask, predecessorStyle);
let points = [];
points.push({ X: (predecessorRectangle.X + predecessorRectangle.W), Y: (predecessorRectangle.Y + Math.half(predecessorRectangle.H)) });
points.push({ X: offsetX, Y: (predecessorRectangle.Y + Math.half(predecessorRectangle.H)) });
points.push({ X: offsetX, Y: (rectangle.Y - paddingX) });
points.push({ X: offsetX, Y: rectangle.Y });
a.Canvas.DrawLines(points, a.Options.Line.Colour, { LineWidth: a.Options.Line.Width });
const arrowRectangle = {
X: (offsetX - Math.half(a.Options.Line.ArrowSize)),
Y: (rectangle.Y - a.Options.Line.ArrowSize),
W: a.Options.Line.ArrowSize,
H: a.Options.Line.ArrowSize
}
a.Canvas.DrawArrowS(arrowRectangle, a.Options.Line.Colour, { FillColour: a.Options.Line.Colour });
}
}
#drawHorizontalLine(y) {
const a = this;
const width = a.Canvas.Width;
a.Canvas.DrawHorizontalLine(0, y, width, this.Options.BorderColour);
}
#getTaskRectangle(task, style) {
const a = this;
const i = (task.Order - 1);
const rowRectangle = {
X: 0,
Y: (a.HeaderHeight + (a.Options.Row.Height * i)),
W: a.Canvas.Width,
H: (a.Options.Row.Height - a.Options.BorderWidth)
};
if (a.Debug) {
a.Canvas.DrawRectangle(rowRectangle, "red", {});
}
if (task.Duration <= 0) {
let result = {
X: (a.Options.DayWidth * (Date.diffDays(a.StartDate, task.StartDate) + 1)),
Y: (a.HeaderHeight + (a.Options.Row.Height * i) + Math.half(rowRectangle.H - style.Height)),
W: style.Height,
H: style.Height
};
result.X += Math.half(a.Options.DayWidth - (style.Height + a.Options.BorderWidth));
return result;
} else {
return {
X: (a.Options.DayWidth * (Date.diffDays(a.StartDate, task.StartDate) + 1)),
Y: (a.HeaderHeight + (a.Options.Row.Height * i) + Math.half(rowRectangle.H - style.Height)),
W: (a.Options.DayWidth * task.Duration),
H: style.Height
};
}
}
}
export default GanttChart;

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import '../references/extensions.dist.js';
import './project.scss';
class ProjectPlanner {
constructor(el) {
const a = this;
a.Container = el;
a.Columns = [
null,
null,
"Task Name",
"Duration",
"Start",
"Finish",
"Predecessor",
"Resource Names",
null
];
a.#initialiseComponents();
}
#initialiseComponents() {
const a = this;
if (!a.Container.classList.contains("literyzjs-project")) {
a.Container.classList.add("literyzjs-project");
}
let htmlContent = "";
htmlContent += "<table class='project-planner'>";
htmlContent += a.#renderTHead();
htmlContent += "<tbody>";
htmlContent += a.#renderPlaceholder();
htmlContent += "</tbody>";
htmlContent += "</table>";
a.Container.innerHTML = htmlContent;
}
Load(model) {
const a = this;
if (!a.Container.classList.contains("literyzjs-project")) {
a.Container.classList.add("literyzjs-project");
}
let htmlContent = "";
htmlContent += "<table class='project-planner'>";
htmlContent += a.#renderTHead();
htmlContent += "<tbody>";
model.forEach(e => {
htmlContent += a.#renderRow(e);
});
htmlContent += "</tbody>";
htmlContent += "</table>";
a.Container.innerHTML = htmlContent;
}
#renderTHead() {
const a = this;
let htmlContent = "";
htmlContent += "<thead>";
htmlContent += "<tr>";
a.Columns.forEach(e => {
htmlContent += "<th>" + (e ?? "") + "</th>";
});
htmlContent += "</tr>";
htmlContent += "</thead>";
return htmlContent;
}
#renderPlaceholder() {
const a = this;
let htmlContent = "";
htmlContent += "<tr>";
htmlContent += "<td></td>";
htmlContent += "<td colspan='" + (a.Columns.length - 1) + "' class='c'>Loading...</td>";
htmlContent += "</tr>";
return htmlContent;
}
#renderRow(e) {
const a = this;
let htmlContent = "";
if (e.IsCollated == true) {
htmlContent += "<tr class='b'>";
} else {
htmlContent += "<tr>";
}
htmlContent += "<td class='c'>" + e.Order + "</td>";
htmlContent += "<td></td>";
htmlContent += "<td>";
for (let i=0; i<e.Level; i++) {
htmlContent += "<span class='i'></span>";
}
htmlContent += "<input type='text' value='" + e.Name + "'>";
htmlContent += "</td>";
htmlContent += "<td>" + e.Duration + " day" + (parseInt(e.Duration) == 1 ? "" : "s") + "</td>";
htmlContent += "<td class='c'>" + new Date(e.StartDate).toLocaleDateString() + "</td>";
htmlContent += "<td class='c'>" + new Date(e.FinishDate).toLocaleDateString() + "</td>";
htmlContent += "<td class='c'>" + (e.PredecessorTaskNo ?? "") + "</td>";
htmlContent += "<td></td>";
htmlContent += "<td></td>";
htmlContent += "</tr>";
return htmlContent;
}
}
export default ProjectPlanner;

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import '../references/extensions.dist.js';
class Project {
constructor(options) {
const a = this;
const _options = Object.assign(a.DefaultOptions, options);
a.Project = _options;
a.Tasks = [];
}
get NewTask() {
return {
// Order: null,
ID: null,
Name: "",
Description: "",
Tag: null,
// StartDate: null, // new Date(),
// FinishDate: null, // new Date(),
StartDelay: 0, // Days
Duration: 1, // Days
PredecessorTaskID: null,
IsCollated: false,
CollatedTaskID: null,
// CalcWorkHours: 0,
ActuWorkHours: null,
Progress: 0,
Resources: []
};
}
get StartDate() {
const a = this;
return new Date(a.Project.StartDate);
}
get FinishDate() {
const a = this;
let result = new Date(a.Project.StartDate);
a.ExportTasks().forEach(e => {
if (e.FinishDate == null) {
return;
}
result = Date.max(result, e.FinishDate);
});
return result;
}
get Duration() {
const a = this;
return Date.diffDays(a.StartDate, a.FinishDate);
}
get DefaultOptions() {
return {
Name: "",
Description: "",
StartDate: Date.today(),
Tag: null,
StartOfWeek: 1, // Monday
WorkHours: [0, 7.5, 7.5, 7.5, 7.5, 7.5, 0] // 0 = Sunday
};
}
get #newTaskNode() {
return {
Order: null,
ID: null,
Name: "",
Description: "",
Tag: null,
StartDate: null, // new Date(),
FinishDate: null, // new Date(),
StartDelay: 0, // Days
Duration: 1, // Days
PredecessorTaskID: null,
IsCollated: false,
CollatedTaskID: null,
CalcWorkHours: 0,
ActuWorkHours: null,
Progress: 0,
Resources: [],
Level: 0,
PredecessorTaskNo: null,
Tasks: []
};
}
AddTask(task) {
const a = this;
const newTask = Object.assign(a.NewTask, task);
const newTaskNode = Object.assign(a.#newTaskNode, newTask);
if ((newTaskNode.PredecessorTaskID == null) && (newTaskNode.CollatedTaskID == null)) {
a.Tasks.push(newTaskNode);
} else if (newTaskNode.PredecessorTaskID != null) {
let node = a.FindTask(newTaskNode.PredecessorTaskID);
if (node != null) {
node.Tasks.push(newTaskNode);
} else {
a.#log("Task not found (" + newTaskNode.PredecessorTaskID + ")");
}
} else if (newTaskNode.CollatedTaskID != null) {
let node = a.FindTask(newTaskNode.CollatedTaskID);
if (node != null) {
node.Tasks.push(newTaskNode);
} else {
a.#log("Task not found (" + newTaskNode.CollatedTaskID + ")");
}
} else {
a.#log("Task not found (" + newTaskNode.ID + ")");
}
}
ClearTasks() {
const a = this;
a.Tasks = [];
}
ExportTasks() {
const a = this;
let result = a.Tasks.copy().flatten("Tasks");
for (var i=0; i<result.length; i++) {
result[i].Order = (i + 1);
delete result[i].Tasks;
}
return result;
}
FindTask(id) {
const a = this;
let result = null;
a.Tasks.forEachTree("Tasks", function(e) {
if (e.ID == id) {
result = e;
return false;
}
return true;
});
return result;
}
/**
* Get node type.
* @returns {int} enum
*
* 0 = orphan
* 1 = task no-parent/root
* 2 = task no-parent/root, collated/group
* 3 = task with parent
* 4 = task with parent, collated/group
* 5 = sub-task
* 6 = sub-task, collated/group
*
*/
GetNodeType(node) {
if (node == null) {
// 0 = orphan
return 0;
}
if ((node.PredecessorTaskID == null) && (node.CollatedTaskID == null) && (node.IsCollated == false)) {
// 1 = task no-parent/root
return 1;
}
if ((node.PredecessorTaskID == null) && (node.CollatedTaskID == null) && (node.IsCollated == true)) {
// 2 = task no-parent/root, collated/group
return 2;
}
if ((node.PredecessorTaskID != null) && (node.CollatedTaskID == null) && (node.IsCollated == false)) {
// 3 = task with parent
return 3;
}
if ((node.PredecessorTaskID != null) && (node.CollatedTaskID == null) && (node.IsCollated == true)) {
// 4 = task with parent, collated/group
return 4;
}
if ((node.CollatedTaskID != null) && (node.IsCollated == false)) {
// 5 = sub-task
return 5;
}
if ((node.CollatedTaskID != null) && (node.IsCollated == true)) {
// 6 = sub-task, collated/group
return 6;
}
return 0;
}
Invalidate() {
const a = this;
let isSuccess = false;
if (!a.Recalculate()) {
isSuccess = false;
}
return isSuccess;
}
Recalculate() {
const a = this;
let isSuccess = false;
a.Sort();
// Get flat references
let result = a.Tasks.flatten("Tasks");
// Reset calculated values
for (var i=0; i<result.length; i++) {
result[i].Order = (i + 1);
result[i].StartDate = null;
result[i].FinishDate = null;
result[i].CalcWorkHours = null;
}
// Maximum 128 rounds
for (var x=0; x<128; x++) {
let pendingCount = result.copy().countMany(
{ propName: "StartDate", value: null },
{ propName: "FinishDate", value: null }
);
// Done
if (pendingCount <= 0) {
isSuccess = true;
break;
}
a.#log("Round " + (x + 1));
for (var i=0; i<result.length; i++) {
const nodeType = a.GetNodeType(result[i]);
switch (nodeType) {
case 1: // task no-parent/root
result[i].StartDate = Date.addDays(a.Project.StartDate, result[i].StartDelay);
result[i].FinishDate = Date.addDays(result[i].StartDate, result[i].Duration);
break;
case 2: // task no-parent/root, collated/group
result[i].StartDate = Date.addDays(a.Project.StartDate, result[i].StartDelay);
result[i].Progress = 0;
// update finish date, if possible
a.#recalculateCollatedTask(result, i);
break;
case 3: // task with parent
const node3 = result.first("ID", result[i].PredecessorTaskID);
if (node3 != null) {
if (node3.FinishDate != null) {
result[i].StartDate = Date.addDays(node3.FinishDate, result[i].StartDelay);
result[i].FinishDate = Date.addDays(result[i].StartDate, result[i].Duration);
}
}
break;
case 4: // task with parent, collated/group
const node4 = result.first("ID", result[i].PredecessorTaskID);
if (node4 != null) {
if (node4.FinishDate != null) {
result[i].StartDate = Date.addDays(node4.FinishDate, result[i].StartDelay);
result[i].Progress = 0;
// update finish date, if possible
a.#recalculateCollatedTask(result, i);
}
}
break;
case 5: // sub-task
const node5 = result.first("ID", result[i].CollatedTaskID);
if (node5 != null) {
if (node5.StartDate != null) {
result[i].StartDate = Date.addDays(node5.StartDate, result[i].StartDelay);
result[i].FinishDate = Date.addDays(result[i].StartDate, result[i].Duration);
result[i].Level = (node5.Level + 1);
}
}
break;
case 6: // sub-task, collated/group
const node6 = result.first("ID", result[i].CollatedTaskID);
if (node6 != null) {
if (node6.StartDate != null) {
result[i].StartDate = Date.addDays(node6.StartDate, result[i].StartDelay);
result[i].Progress = 0;
result[i].Level = (node6.Level + 1);
// update finish date, if possible
a.#recalculateCollatedTask(result, i);
}
}
break;
default: // orphan
break;
}
}
}
// Calculate work-hours
a.#recalculateWorkHours(result);
// Calculate predecessor
a.#recalculatePredecessorTaskNo(result);
return isSuccess;
}
Sort() {
const a = this;
a.#sortNode(a);
}
#log(message) {
console.log(message);
}
#recalculateWorkHours(array) {
const a = this;
for (var i=0; i<array.length; i++) {
if (array[i].StartDate == null) {
continue;
}
if (array[i].FinishDate == null) {
continue;
}
if (array[i].Duration <= 0) {
continue;
}
let workHours = 0;
let date = new Date(array[i].StartDate);
for (let x=0; x<array[i].Duration; x++) {
const d = date.getDay();
workHours += a.Project.WorkHours[d];
}
array[i].CalcWorkHours = workHours;
}
}
#recalculatePredecessorTaskNo(array) {
const a = this;
for (var i=0; i<array.length; i++) {
if (array[i].PredecessorTaskID == null) {
continue;
}
const predecessor = a.FindTask(array[i].PredecessorTaskID);
if (predecessor == null) {
continue;
}
array[i].PredecessorTaskNo = predecessor.Order;
}
}
#recalculateCollatedTask(array, index) {
let node2 = array.select("CollatedTaskID", array[index].ID);
if (node2.length <= 0) {
// No children
array[index].Duration = 0;
return new Date(array[index].StartDate);
}
// Not ready, calculation pending
if (node2.any("FinishDate", null)) {
array[index].Duration = 0;
return null;
}
let node2FinishDate = new Date(array[index].StartDate);
node2.forEach(e => {
if (e.FinishDate > node2FinishDate) {
node2FinishDate = e.FinishDate;
}
});
array[index].Progress = Math.average(node2.toList("Progress"));
array[index].FinishDate = new Date(node2FinishDate);
array[index].Duration = Date.diffDays(array[index].StartDate, array[index].FinishDate);
}
#sortNode(node) {
const a = this;
if (Array.isEmpty(node.Tasks)) {
return;
}
node.Tasks.orderBy("StartDelay");
const childDependentTasks = node.Tasks.notSelect("PredecessorTaskID", null);
if (childDependentTasks.length > 0) {
node.Tasks.removeRange(childDependentTasks);
node.Tasks.addRange(childDependentTasks);
}
node.Tasks.forEach(e => {
a.#sortNode(e);
});
}
}
export default Project;

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.literyzjs-project {
.project-planner {
border-spacing: 0px;
border-collapse: separate;
cursor: default;
padding: 0px 0px 30px 0px;
width: 100%;
.b {
font-weight: bold;
input[type="text"] {
font-weight: bold;
}
}
.c {
text-align: center;
}
.i {
display: inline-block;
width: 20px;
}
thead {
tr {
font-weight: bold;
font-size: 0.8em;
user-select: none;
height: 40px;
text-align: center;
vertical-align: bottom;
th {
background-color: #E1E1E1;
border-color: #B8B8B8;
border-style: solid;
border-width: 0px 0px 1px 1px;
color: #3E7138;
margin: 0px;
padding: 6px 10px 5px 10px;
min-width: 20px;
}
th:first-child {
background-color: inherit;
border-left-width: 0px;
}
th:last-child {
border-right-width: 1px;
}
}
}
tbody {
tr {
input[type="text"] {
background: none;
border: none;
cursor: default;
font-family: inherit;
font-size: inherit;
margin: 0px;
padding: 0px;
width: auto;
}
td {
border-color: #B8B8B8;
border-style: solid;
border-width: 0px 0px 1px 0px;
margin: 0px;
overflow: hidden;
padding: 5px 5px 5px 5px;
text-overflow: ellipsis;
white-space: nowrap;
}
td:first-child {
border-right-width: 1px;
color: #7E7E7E;
font-size: 0.8em;
text-align: center;
user-select: none;
}
td:last-child {
border-right-width: 1px;
}
}
tr:hover {
td:first-child {
background-color: #D1F2C7;
color: #3E7138;
font-weight: bold;
}
td:not(:first-child) {
background-color: rgba(233, 237, 239, 0.8);
}
}
tr:nth-child(odd) {
background-color: rgba(233, 237, 239, 0.3);
}
}
}
.gantt-chart {
border-color: #B8B8B8;
border-style: solid;
border-width: 1px;
overflow: hidden;
scrollbar-width: thin;
scrollbar-color: #CDCDCD #F0F0F0;
}
.gantt-chart.scroll-x {
overflow-x: scroll !important;
}
}

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class Canvas {
constructor(el) {
const a = this;
a.el = el;
a.BorderWidth = 2;
a.ScrollbarWidth = 11;
a.Padding = {
Top: 0,
Right: 0,
Bottom: 0,
Left: 0
};
a.EnableDock = true;
a.#initialiseComponents();
}
#initialiseComponents() {
const a = this;
if (a.el == null) {
return;
}
a.el.innerHTML = "<div class='border'><canvas></canvas></div>";
a.Invalidate();
a.Clear();
}
get FlowContainer() {
return this.el.getElementsByTagName("div")[0];
}
get CanvasContainer() {
return this.FlowContainer.getElementsByTagName("canvas")[0];
}
get CanvasContext() {
return this.CanvasContainer.getContext("2d");
}
get Height() {
const a = this;
if (a.CanvasContainer == null) {
return 0;
}
return a.#getHeight(a.CanvasContainer);
}
set Height(value) {
const a = this;
// if (a.el != null) {
// a.el.style.height = value + "px";
// }
if (a.FlowContainer != null) {
a.FlowContainer.style.height = value + "px";
}
if (a.CanvasContainer != null) {
a.CanvasContainer.style.height = value + "px";
}
if (a.CanvasContext != null) {
a.CanvasContext.canvas.height = value;
}
}
get Width() {
const a = this;
if (a.CanvasContainer == null) {
return 0;
}
return a.#getWidth(a.CanvasContainer);
}
set Width(value) {
const a = this;
// if (a.el != null) {
// a.el.style.width = value + "px";
// }
if (a.FlowContainer != null) {
a.FlowContainer.style.width = value + "px";
}
if (a.CanvasContainer != null) {
a.CanvasContainer.style.width = value + "px";
}
if (a.CanvasContext != null) {
a.CanvasContext.canvas.width = value;
}
}
get Size() {
return {
W: this.Width,
H: this.Height
};
}
set Size(value) {
this.Width = value.W;
this.Height = value.H;
}
get ClientRectangle() {
const a = this;
return {
X: a.Padding.Left,
Y: a.Padding.Top,
W: (a.Width - (a.Padding.Left + a.Padding.Right)),
H: (a.Height - (a.Padding.Top + a.Padding.Bottom))
};
}
get Rectangle() {
const a = this;
return {
X: 0,
Y: 0,
W: a.Width,
H: a.Height
};
}
Clear() {
const a = this;
if (a.CanvasContext == null) {
return;
}
a.CanvasContext.clearRect(0, 0, a.CanvasContext.canvas.width, a.CanvasContext.canvas.height);
}
DrawArrowS(rectangle, penColour, options) {
const a = this;
if (a.CanvasContext == null) {
return;
}
const opt = Object.assign({
LineWidth: 1,
LineDash: [],
FillColour: null
}, options);
// Adjust for pen discrepancy
rectangle.X += 0.5;
rectangle.Y += 0.5;
rectangle.W -= opt.LineWidth;
rectangle.H -= opt.LineWidth;
a.CanvasContext.beginPath();
a.CanvasContext.strokeStyle = penColour;
a.CanvasContext.lineWidth = opt.LineWidth;
a.CanvasContext.setLineDash(opt.LineDash);
a.CanvasContext.moveTo(rectangle.X, rectangle.Y);
a.CanvasContext.lineTo((rectangle.X + rectangle.W), rectangle.Y);
a.CanvasContext.lineTo((rectangle.X + Math.half(rectangle.W)), (rectangle.Y + rectangle.H));
a.CanvasContext.closePath();
if (opt.FillColour != null) {
a.CanvasContext.fillStyle = opt.FillColour;
a.CanvasContext.fill();
}
a.CanvasContext.stroke();
}
DrawCircle(x, y, width, penColour, options) {
const a = this;
if (a.CanvasContext == null) {
return;
}
const opt = Object.assign({
LineWidth: 1,
LineDash: [],
FillColour: null
}, options);
let rectangle = {
X: x + Math.half(width),
Y: y + Math.half(width),
W: Math.half(width),
H: Math.half(width)
};
// Adjust for pen discrepancy
rectangle.X += 0.5;
rectangle.Y += 0.5;
rectangle.W -= Math.half(opt.LineWidth);
rectangle.H -= Math.half(opt.LineWidth);
a.CanvasContext.beginPath();
a.CanvasContext.strokeStyle = penColour;
a.CanvasContext.lineWidth = opt.LineWidth;
a.CanvasContext.setLineDash(opt.LineDash);
a.CanvasContext.arc(rectangle.X, rectangle.Y, rectangle.W, 0, 2 * Math.PI, false);
a.CanvasContext.closePath();
if (opt.FillColour != null) {
a.CanvasContext.fillStyle = opt.FillColour;
a.CanvasContext.fill();
}
a.CanvasContext.stroke();
}
DrawDiamond(rectangle, penColour, options) {
const a = this;
if (a.CanvasContext == null) {
return;
}
const opt = Object.assign({
LineWidth: 1,
LineDash: [],
FillColour: null
}, options);
// Adjust for pen discrepancy
rectangle.X += 0.5;
rectangle.Y += 0.5;
rectangle.W -= opt.LineWidth;
rectangle.H -= opt.LineWidth;
a.CanvasContext.beginPath();
a.CanvasContext.strokeStyle = penColour;
a.CanvasContext.lineWidth = opt.LineWidth;
a.CanvasContext.setLineDash(opt.LineDash);
a.CanvasContext.moveTo((rectangle.X + Math.half(rectangle.W)), rectangle.Y);
a.CanvasContext.lineTo((rectangle.X + rectangle.W), (rectangle.Y + Math.half(rectangle.H)));
a.CanvasContext.lineTo((rectangle.X + Math.half(rectangle.W)), (rectangle.Y + rectangle.H));
a.CanvasContext.lineTo(rectangle.X, (rectangle.Y + Math.half(rectangle.H)));
a.CanvasContext.closePath();
if (opt.FillColour != null) {
a.CanvasContext.fillStyle = opt.FillColour;
a.CanvasContext.fill();
}
a.CanvasContext.stroke();
}
DrawRectangle(rectangle, penColour, options) {
const a = this;
if (a.CanvasContext == null) {
return;
}
const opt = Object.assign({
LineWidth: 1,
LineDash: [],
FillColour: null
}, options);
// Adjust for pen discrepancy
rectangle.X += 0.5;
rectangle.Y += 0.5;
rectangle.W -= opt.LineWidth;
rectangle.H -= opt.LineWidth;
a.CanvasContext.beginPath();
a.CanvasContext.strokeStyle = penColour;
a.CanvasContext.lineWidth = opt.LineWidth;
a.CanvasContext.setLineDash(opt.LineDash);
a.CanvasContext.rect(rectangle.X, rectangle.Y, rectangle.W, rectangle.H);
if (opt.FillColour != null) {
a.CanvasContext.fillStyle = opt.FillColour;
a.CanvasContext.fill();
}
a.CanvasContext.closePath();
a.CanvasContext.stroke();
}
DrawLine(startX, startY, finishX, finishY, penColour, options) {
const a = this;
if (a.CanvasContext == null) {
return;
}
const opt = Object.assign({
LineWidth: 1,
LineDash: []
}, options);
startY -= 0.5;
// y -= penWidth;
a.CanvasContext.beginPath();
a.CanvasContext.strokeStyle = penColour;
a.CanvasContext.lineWidth = opt.LineWidth;
a.CanvasContext.setLineDash(opt.LineDash);
a.CanvasContext.moveTo(startX, startY);
a.CanvasContext.lineTo(finishX, finishY);
a.CanvasContext.stroke();
}
DrawLines(points, penColour, options) {
const a = this;
if (a.CanvasContext == null) {
return;
}
if (points == null) {
return;
}
if (points.length <= 0) {
return;
}
const opt = Object.assign({
LineWidth: 1,
LineDash: []
}, options);
a.CanvasContext.beginPath();
a.CanvasContext.strokeStyle = penColour;
a.CanvasContext.lineWidth = opt.LineWidth;
a.CanvasContext.setLineDash(opt.LineDash);
a.CanvasContext.moveTo(points[0].X, points[0].Y);
for (let i=1; i<points.length; i++) {
a.CanvasContext.lineTo(points[i].X, points[i].Y);
}
a.CanvasContext.stroke();
}
DrawHorizontalLine(x, y, width, penColour, options) {
const a = this;
if (a.CanvasContext == null) {
return;
}
const opt = Object.assign({
LineWidth: 1,
LineDash: []
}, options);
y -= 0.5;
// y -= penWidth;
a.CanvasContext.beginPath();
a.CanvasContext.strokeStyle = penColour;
a.CanvasContext.lineWidth = opt.LineWidth;
a.CanvasContext.setLineDash(opt.LineDash);
a.CanvasContext.moveTo(x, y);
a.CanvasContext.lineTo((x + width), y);
a.CanvasContext.stroke();
}
DrawText(x, y, text, font, foreColour, options) {
const a = this;
if (a.CanvasContext == null) {
return;
}
const opt = Object.assign({
Align: "left"
}, options);
a.CanvasContext.font = font;
a.CanvasContext.fillStyle = foreColour;
a.CanvasContext.textAlign = opt.Align;
a.CanvasContext.textBaseline = "top";
a.CanvasContext.fillText(text, x, y);
}
DrawVerticalLine(x, y, height, penColour, options) {
const a = this;
if (a.CanvasContext == null) {
return;
}
const opt = Object.assign({
LineWidth: 1,
LineDash: []
}, options);
x -= 0.5;
y -= opt.LineWidth;
a.CanvasContext.beginPath();
a.CanvasContext.strokeStyle = penColour;
a.CanvasContext.lineWidth = opt.LineWidth;
a.CanvasContext.setLineDash(opt.LineDash);
a.CanvasContext.moveTo(x, y);
a.CanvasContext.lineTo(x, (y + height));
a.CanvasContext.stroke();
}
FillText(rectangle, text, font, foreColour, options) {
const a = this;
if (a.CanvasContext == null) {
return;
}
const opt = Object.assign({
Align: "center",
VAlign: "middle"
}, options);
a.CanvasContext.font = font;
a.CanvasContext.fillStyle = foreColour;
a.CanvasContext.textAlign = opt.Align;
// a._ctx.textBaseline = verticalAlign;
a.CanvasContext.textBaseline = "top";
const size = a.CanvasContext.measureText(text);
const x = rectangle.X + Math.half(rectangle.W);
let y = rectangle.Y;
switch (opt.VAlign) {
case "center":
case "middle":
y += Math.half((rectangle.H - size.fontBoundingBoxDescent)) + size.fontBoundingBoxAscent;
break;
case "bottom":
y += (rectangle.H - size.fontBoundingBoxDescent);
break;
case "top":
default:
break;
}
a.CanvasContext.fillText(text, x, y);
}
Invalidate() {
const a = this;
if (a.EnableDock) {
a.FlowContainer.style.width = "100%";
}
if (a.#getWidth(a.CanvasContainer) > (a.#getWidth(a.FlowContainer) + (a.BorderWidth * 2))) {
a.FlowContainer.classList.add("scroll-x");
a.FlowContainer.style.height = (a.#getHeight(a.CanvasContainer) + a.ScrollbarWidth) + "px";
} else {
a.FlowContainer.classList.remove("scroll-x");
a.FlowContainer.style.height = a.#getHeight(a.CanvasContainer) + "px";
}
}
MeasureText(font, value) {
const a = this;
if (a.CanvasContext == null) {
return null;
}
a.CanvasContext.font = font;
const size = a.CanvasContext.measureText(value);
return {
W: size.width,
H: Math.round(size.fontBoundingBoxDescent + size.fontBoundingBoxAscent)
};
}
#getWidth(el) {
if (el == null) {
return 0;
}
if (typeof(el) == "undefined") {
return 0;
}
return (el.offsetWidth || el.innerWidth || el.clientWidth);
}
#getHeight(el) {
if (el == null) {
return 0;
}
if (typeof(el) == "undefined") {
return 0;
}
return (el.offsetHeight || el.innerHeight || el.clientHeight);
}
}
export default Canvas;

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const path = require('path');
const { version } = require('./package.json');
const webpack = require('webpack');
class PrependVersionPlugin {
apply(compiler) {
compiler.hooks.emit.tapAsync('PrependVersionPlugin', (compilation, callback) => {
Object.keys(compilation.assets).forEach((filename) => {
if (filename.endsWith('.js')) {
const asset = compilation.assets[filename];
const headerText = `/*!\n * LiteRyzJS/Project v${version}\n * Copyright 2023-2024 Ray Lam (https://www.hiimray.co.uk)\n *\n */\n`;
const newContent = headerText + asset.source();
compilation.assets[filename] = {
source: () => newContent,
size: () => newContent.length,
};
}
});
callback();
});
}
}
module.exports = {
entry: {
project: './src/index.js'
},
output: {
filename: `[name].dist.js`,
path: path.resolve(__dirname, 'dist'),
library: 'LiteRyzJS',
libraryTarget: 'umd',
globalObject: 'this'
},
mode: 'production', // development|production
plugins: [
new webpack.DefinePlugin({
'process.env.VERSION': JSON.stringify(version)
}),
new PrependVersionPlugin()
],
module: {
rules: [
{
test: /\.scss$/,
use: [
'style-loader',
'css-loader',
'sass-loader'
]
}
]
}
};