bardelman-dhtmlx-gantt-redux
Version:
An open source JavaScript Gantt chart that helps you illustrate a project schedule in a nice-looking chart.
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HTML
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
<title>Performance tweaks</title>
<script src="../../codebase/dhtmlxgantt.js?v=9.0.10"></script>
<link rel="stylesheet" href="../../codebase/dhtmlxgantt.css?v=9.0.10">
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<link rel="stylesheet" href="../common/controls_styles.css?v=9.0.10">
<script src="../common/testdata.js?v=9.0.10"></script>
<style>
html, body {
height: 100%;
padding: 0px;
margin: 0px;
overflow: hidden;
}
.controls {
font-family: "Arial";
width:910px;
margin: 0 auto;
}
.controls td {
text-align: right;
line-height: 20px;
color: #535353;
font-size: 14px;
}
.controls th {
font-size: 14px;
}
.controls input {
max-width: 60px;
padding: 2px 7px;
text-align: right;
border: 1px solid #d6d6d6;
}
.controls table {
border-collapse: collapse;
}
.controls td, .controls th {
border: 1px solid #d6d6d6;
padding: 0 10px;
}
.dhtmlx-intro div {
background-color: #FEFFEA;
border: 1px solid #A2A0A0;
}
.gantt_control button{
margin: 0 5px;
padding: 3px 10px;
}
.gantt_task_cell.week_end, .gantt_task_cell.no_work_hour {
background-color: var(--dhx-gantt-base-colors-background-alt);
}
.gantt_task_row.gantt_selected .gantt_task_cell.week_end {
background-color: var(--dhx-gantt-base-colors-select);
}
.resource_marker{
text-align: center;
}
.resource_marker div{
color: black;
background: none;
}
.resource_marker.resource_cell div{
font-weight: bold;
background-color: #d6d6d6;
}
.resource_marker.workday_ok div {
}
.resource_marker.workday_over div{
color: red;
}
.owner-label{
width: 20px;
height: 20px;
line-height: 20px;
font-size: 12px;
display: inline-block;
border: 1px solid #cccccc;
border-radius: 25px;
background: #e6e6e6;
color: #6f6f6f;
margin: 0 3px;
font-weight: bold;
}
/** custom layers css */
.drag_date {
color: #454545;
font-size: 13px;
text-align: center;
z-index: 1;
}
.drag_date.drag_move_start {
margin-left: -15px;
}
.drag_date.drag_move_end {
margin-left: 15px;
}
.drag_move_vertical, .drag_move_horizontal {
background-color: #9DE19E;
opacity: 0.7;
box-sizing: border-box;
}
.drag_move_vertical {
border-right: 1px #6AC666 solid;
border-left: 1px #6AC666 solid;
}
.drag_move_horizontal {
border-top: 1px #6AC666 solid;
border-bottom: 1px #6AC666 solid;
}
.cooldown {
position: absolute;
border-radius: 0;
opacity: 0.7;
border: none;
border-right: 1px solid #b6b6b6;
margin-left: -2px;
background: #b6b6b6;
background: repeating-linear-gradient(
45deg, #FFFFFF,
#FFFFFF 5px,
#b6b6b6 5px,
#b6b6b6 10px
);
}
.deadline {
position: absolute;
border-radius: 12px;
border: 2px solid #585858;
-moz-box-sizing: border-box;
box-sizing: border-box;
width: 22px;
height: 22px;
margin-left: -11px;
margin-top: 6px;
z-index: 1;
}
.floating_icon {
position: absolute;
font-size: 30px;
z-index: 1;
}
.baseline {
position: absolute;
border-radius: 20px;
opacity: 0.6;
background: #89b4e1;
border: 1px solid rgba(0,0,0,0.38);
}
/* custom layers css end */
</style>
</head>
<body>
<div class="gantt_control" style="padding-top: 0">
<div class="controls" id="controls_wrapper">
<table>
<tr>
<th>Background Mode</th>
<th>Features</th>
<th>Task element</th>
<th>Scales</th>
<th>Data</th>
</tr>
<tr>
<td><label>Default <input type="radio" id="default" name="mode"><i class="material-icons">radio_button_unchecked</i></label></td>
<td><label>Work Time<input type="checkbox" id="work_time"><i class="material-icons ">check_box_outline_blank</i></label></td>
<td><label class="checked_label">Show progress <input type="checkbox" id="progress" checked><i class="material-icons icon_color">check_box</i></label></td>
<td><label style="color: rgba(0,0,0,0.38)">Year scale <input type="checkbox" id="year" checked disabled="disabled"><i class="material-icons md-inactive icon_color">check_box</i></label></td>
<td><label>Tasks <input id="tasks" value="100"></label></td>
</tr>
<tr>
<td><label>Simplified <input type="radio" id="no_cells" name="mode"><i class="material-icons">radio_button_unchecked</i></label></td>
<td><label>Auto scheduling<input type="checkbox" id="auto_scheduling"><i class="material-icons">check_box_outline_blank</i></label></td>
<td><label class="checked_label">Allow resize <input type="checkbox" id="resize" checked><i class="material-icons icon_color">check_box</i></label></td>
<td><label class="checked_label">Month scale <input type="checkbox" id="month" checked><i class="material-icons icon_color">check_box</i></label></td>
<td>
<label>Range <input id="from" value="2023">–<input id="to" value="2024"></label>
</td>
</tr>
<tr>
<td><label class="checked_label">Dynamic image <input type="radio" id="canvas" name="mode" checked><i class="material-icons icon_color">radio_button_checked</i></label></td>
<td><label>Build links<input type="checkbox" id="build_links"><i class="material-icons">check_box_outline_blank</i></label></td>
<td><label class="checked_label">Show links <input type="checkbox" id="links" checked><i class="material-icons icon_color">check_box</i></label></td>
<td><label>Week scale <input type="checkbox" id="week"><i class="material-icons">check_box_outline_blank</i></label></td>
<td><label title="Works when 'Resources' checkbox is activated">Resources<input id="max_resources" value="10" type="number" min="1"></label></td>
</tr>
<tr>
<td><label class="checked_label">Smart rendering <input type="checkbox" id="smart_render" name="mode" checked><i class="material-icons icon_color">check_box</i></label></td>
<td><label>Resources<input type="checkbox" id="resources"><i class="material-icons">check_box_outline_blank</i></label></td>
<td><label>Task Layers<select id="layers">
<option selected value=''>Default</option>
<option value='1'>1</option>
<option value='2'>2</option>
<option value='3'>3</option>
<option value='4'>4</option>
<option value='5'>5</option>
</select></label></td>
<td><label class="checked_label">Day scale <input type="checkbox" id="day" checked><i class="material-icons icon_color">check_box</i></label></td>
<td><label title="Works when 'Resources' checkbox is activated">Res. per task (max)<input id="max_assignments" value="3" type="number" min="0"></label></td>
</tr>
<tr>
<td colspan="5" style="text-align: center;">
<button id="refresh" onclick="toggleChange()">Refresh</button>
</td>
</tr>
</table>
</div>
<div id="gantt_here" style='width:100%; height:calc(100vh - 171px);'></div>
<script>
var text = ["Gantt chart with the data generated for client-side performance testing.",
"Change settings and <b>press 'Refresh'</b> to see how it works on different configurations and amounts of data.",
"See browser console for test logs."];
for (var i = 0; i < text.length; i++) {
gantt.message({
text: text[i],
expire: 30 * 1000,
type: "intro"
});
}
function byId(id) {
return document.getElementById(id);
}
function getState(){
return {
progress: byId("progress").checked,
resize: byId("resize").checked,
links: byId("links").checked,
smart_render: byId("smart_render").checked,
work_time: byId("work_time").checked,
auto_scheduling: byId("auto_scheduling").checked,
canvas: byId("canvas").checked,
no_cells: byId("no_cells").checked,
build_links: byId("build_links").checked,
resources: byId("resources").checked,
week: byId("week").checked,
day: byId("day").checked,
month: byId("month").checked,
from: byId("from").value,
to: byId("to").value,
tasks: byId("tasks").value,
max_resources: byId("max_resources").value,
max_assignments: byId("max_assignments").value,
layers: byId("layers").value
};
}
var currentState = getState();
function applySettings(state){
gantt.config.static_background = state.canvas;
gantt.config.show_task_cells = !state.no_cells;
gantt.config.show_progress = state.progress;
gantt.config.drag_resize = state.resize;
gantt.config.show_links = state.links;
gantt.config.smart_rendering = state.smart_render;
gantt.config.work_time = state.work_time;
gantt.config.auto_scheduling = state.auto_scheduling;
var buildLinks = state.build_links;
var useResources = state.resources;
gantt.config.scales = [
{ unit: "year", step: 1, format: "%Y"}
];
if (state.week) {
var dateToStr = gantt.date.date_to_str("%d %M");
gantt.config.scales.push({unit: "week", step: 1, format: function (date) {
var endDate = gantt.date.add(date, 7 - date.getDay(), "day");
return dateToStr(date) + " - " + dateToStr(endDate);
}});
}
if (state.day) {
gantt.config.scales.push({unit: "day", step: 1, format: "%d %M"});
}
if (state.month) {
gantt.config.scales.push({unit: "month", step: 1, format: "%F, %Y"});
}
gantt.config.scale_height = 22 * gantt.config.scales.length;
if (state.canvas) {
gantt.config.static_background = true;
} else if (state.no_cells) {
gantt.config.show_task_cells = false;
}
if(initNeeded(currentState, state)){
gantt.attachEvent("onGanttReady", function(){
var layersNum = Number(state.layers);
if(!isNaN(layersNum) && layersNum > 0){
var layers = getCustomLayers().slice(0, layersNum);
layers.forEach(function(layer){gantt.addTaskLayer(layer.render);});
}
}, {once: true});
}
applyResources(state);
}
function featureState(state) {
return (state ? "Display" : "Hide");
}
function getCustomLayers(){
var dragDateFormat = gantt.date.date_to_str("%Y‐%m‐%d");
return [
{
name: "baselines",
render: function baselineLayer(task) {
if (task.planned_start && task.planned_end) {
var sizes = gantt.getTaskPosition(task, task.planned_start, task.planned_end);
var el = document.createElement('div');
el.className = 'baseline';
el.style.left = sizes.left + 'px';
el.style.width = sizes.width + 'px';
el.style.top = (sizes.top + 3) + 'px';
el.style.height = (sizes.height - 4) + 'px';
return el;
}
return false;
}
},
{
name: "deadlines",
render: function deadlineLayer(task) {
if (task.deadline) {
var el = document.createElement('div');
el.className = 'deadline';
var sizes = gantt.getTaskPosition(task, task.deadline);
el.innerHTML = "✓";
el.style.left = sizes.left + 'px';
el.style.top = sizes.top + 'px';
el.setAttribute('title', gantt.templates.task_date(task.deadline));
return el;
}
return false;
}
},
{
name: "rejection time",
render: function deadlineLayer(task) {
if (task.reject_time) {
var el = document.createElement('div');
el.className = 'floating_icon';
var sizes = gantt.getTaskPosition(task, task.reject_time);
el.innerHTML = "✗";
el.style.color = "red";
el.style.left = sizes.left + 'px';
el.style.top = sizes.top + 'px';
el.setAttribute('title', gantt.templates.task_date(task.reject_time));
return el;
}
return false;
}
},
{
name: "cooldown time",
render: function cooldownTime(task) {
var cooldownTime = task.cooldown_time;
if (!cooldownTime) {
return null;
}
var markStart = new Date(task.end_date);
var markEnd = gantt.calculateEndDate({task: task, start_date: markStart, duration: cooldownTime});
var sizes = gantt.getTaskPosition(task, markStart, markEnd);
var el = document.createElement('div');
el.className = 'cooldown';
el.style.left = sizes.left + 'px';
el.style.top = sizes.top + 2 + 'px';
el.style.width = sizes.width + 'px';
el.style.height = sizes.height + 'px';
return el;
}
},
{
name: "misc icons",
render: function deadlineLayer(task) {
if (task.misc_icon) {
var el = document.createElement('div');
el.className = 'floating_icon';
var sizes = gantt.getTaskPosition(task);
el.innerHTML = task.misc_icon;
el.style.left = (sizes.left + sizes.width + 20) + 'px';
el.style.top = (sizes.top - 5) + 'px';
el.setAttribute('title', "Random icon in the task layer");
return el;
}
return false;
}
},
];
function addElement(config) {
var div = document.createElement('div');
div.style.position = "absolute";
div.className = config.css || "";
div.style.left = config.left;
div.style.width = config.width;
div.style.height = config.height;
div.style.lineHeight = config.height;
div.style.top = config.top;
if (config.html)
div.innerHTML = config.html;
if (config.wrapper)
config.wrapper.appendChild(div);
return div;
}
}
function customLayersReport(){
currentState
var layersNum = Number(currentState.layers);
if(!isNaN(layersNum) && layersNum > 0){
return getCustomLayers().slice(0, layersNum).map(function(layerInfo){
return layerInfo.name;
}).join(", ");
}else{
return "None";
}
}
function printStat(time) {
var mode = "";
var report = [];
if (gantt.config.static_background) {
mode = "Canvas background rendering";
} else if (!gantt.config.show_task_cells) {
mode = "Simplified background rendering";
} else {
mode = "Default rendering";
}
report.push("Rendered in <b>" + (time) + "</b> seconds");
report.push(mode);
report.push(featureState(gantt.config.show_progress) + " progress");
report.push(featureState(gantt.config.drag_resize) + " drag handles");
report.push(featureState(gantt.config.show_links) + " link handles");
report.push("Work time:" + String(gantt.config.work_time));
report.push("Auto Scheduling:" + String(gantt.config.auto_scheduling));
report.push("Custom Layers: " + customLayersReport());
var scales = [];
for (var i = 0; i < gantt.config.scales.length; i++) {
scales.push(gantt.config.scales[i].unit);
}
var resourceCount = 0;
if(gantt.getDatastore(gantt.config.resource_store)){
gantt.getDatastore(gantt.config.resource_store).eachItem(function(item){
if(item.$role !== "task"){// assigned tasks are loaded into resource store, do not count them here
resourceCount++;
}
});
}
report.push("Scales : <b>" + scales.join(", ") + "</b> ");
var scale = gantt.getScale();
report.push(gantt.getTaskCount() + " tasks, " +
gantt.getLinkCount() + " links, " +
resourceCount + " resources, " +
(scale.count) + " columns in a time scale");
gantt.message({text: report.join("<br>"), expire: 10000});
console.log("================");
console.log(report.join("\n"));
}
function settingsChanged(oldState, newState){
for(var i in oldState){
if(newState[i] !== oldState[i]){
return true;
}
}
return false;
}
function initNeeded(oldState, newState){
return oldState.resources !== newState.resources || oldState.layers !== newState.layers;
}
function toggleChange(){
var oldState = currentState;
var newState = getState();
if(!settingsChanged(oldState, newState)){
noteTime(gantt.render);
}else{
var reinitialize = initNeeded(oldState, newState);
noteTime(function(){
gantt.clearAll();
applySettings(newState);
if(reinitialize){
gantt.init("gantt_here");
}else{
gantt.render();
}
resetData(newState);
currentState = newState;
});
}
}
function noteTime(method) {
gantt.message("Rendering...");
var start = Date.now();
method.call(gantt);
var end = Date.now();
printStat((end - start) / 1000);
var selectedId = gantt.getSelectedId();
if (selectedId)
gantt.showTask(selectedId);
}
function applyResources(state){
if(state.resources){
if(!gantt.getDatastore(gantt.config.resource_store)){
gantt.createDatastore({
name: gantt.config.resource_store,
type: "treeDatastore",
fetchTasks: true,
initItem: function (item) {
item.parent = item.parent || gantt.config.root_id;
item[gantt.config.resource_property] = item.parent;
item.open = true;
return item;
}
});
}
gantt.config.layout = {
css: "gantt_container",
rows: [
{
cols: [
{view: "grid", group:"grids", scrollY: "scrollVer"},
{resizer: true, width: 1},
{view: "timeline", scrollX: "scrollHor", scrollY: "scrollVer"},
{view: "scrollbar", id: "scrollVer", group:"vertical"}
],
gravity:2
},
{resizer: true, width: 1},
{
config: {
columns: [
{
name: "name", label: "Name", tree:true, template: function (resource) {
return resource.text;
}
},
{
name: "workload", label: "Workload", template: function (resource) {
var totalDuration = 0;
if (resource.$role === "task"){
gantt.getResourceAssignments(resource.$resource_id, resource.$task_id).forEach(function(a){
totalDuration += a.value * a.duration;
});
}else{
getResourceAssignments(resource.id).forEach(function (assignment) {
totalDuration += Number(assignment.value) * assignment.duration;
});
}
return (totalDuration || 0) + "h";
}
}
]
},
cols: [
{view: "resourceGrid", group:"grids", width: 435, scrollY: "resourceVScroll" },
{resizer: true, width: 1},
{view: "resourceTimeline", scrollX: "scrollHor", scrollY: "resourceVScroll"},
{view: "scrollbar", id: "resourceVScroll", group:"vertical"}
],
gravity:1
},
{view: "scrollbar", id: "scrollHor"}
]
};
gantt.config.resource_render_empty_cells = true;
gantt.config.columns = [
{name: "text", tree: true, width: 200, resize: true},
{name: "start_date", align: "center", width: 90, resize: true},
{name: "owner", align: "center", width: 75, label: "Owner", template: function (task) {
if (task.type == gantt.config.types.project) {
return "";
}
var store = gantt.getDatastore("resource");
var assignments = gantt.getTaskAssignments(task.id);
var uniqueResources = {};
var resourceCount = 0;
assignments.forEach(function(a){
if(!uniqueResources[a.resource_id]){
uniqueResources[a.resource_id] = a.resource_id;
resourceCount++;
}
});
if(!resourceCount){
return "Unassigned";
}else if(resourceCount === 1){
return store.getItem(assignments[0].resource_id).text;
}else{
var result = "";
for(var i in uniqueResources){
var owner = store.getItem(uniqueResources[i]);
if (!owner)
continue;
result += "<div class='owner-label' title='" + owner.text + "'>" + owner.text.substr(0, 1) + "</div>";
}
return result;
}
return result;
}, resize: true
},
{name: "duration", width: 60, align: "center", resize: true},
{name: "add", width: 44}
];
function getResourceAssignments(resourceId) {
var assignments;
var store = gantt.getDatastore(gantt.config.resource_store);
var resource = store.getItem(resourceId);
if(resource.$role === "task"){
assignments = gantt.getResourceAssignments(resource.$resource_id, resource.$task_id);
}else{
assignments = gantt.getResourceAssignments(resourceId);
if(store.eachItem){
store.eachItem(function(childResource){
if(childResource.$role !== "task"){
assignments = assignments.concat(gantt.getResourceAssignments(childResource.id));
}
}, resourceId);
}
}
return assignments;
}
gantt.templates.resource_cell_class = function(start_date, end_date, resource, tasks, assignments){
var css = [];
css.push("resource_marker");
if(resource.$role === "task"){
css.push("task_cell");
}else{
css.push("resource_cell");
}
var sum = assignments.reduce(function(total, assignment){
return total + Number(assignment.value);
}, 0);
if (sum <= 8) {
css.push("workday_ok");
} else {
css.push("workday_over");
}
return css.join(" ");
};
gantt.templates.resource_cell_value = function(start_date, end_date, resource, tasks, assignments){
if(resource.$role === "task"){
if(start_date < resource.end_date && end_date > resource.start_date){
for(var i = 0; i < assignments.length; i++){
var a = assignments[i];
return "<div data-assignment-cell data-assignment-id='"+a.id+"'"+
" data-row-id='"+resource.id+"'"+
" data-task='"+resource.$task_id+"'"+
" data-start-date='"+gantt.templates.format_date(start_date)+"'"+
" data-end-date='"+gantt.templates.format_date(end_date)+"'>" + a.value + "</div>"
}
return "<div data-assignment-cell data-empty "+
" data-row-id='"+resource.id+"'"+
" data-resource-id='"+resource.$resource_id+"'"+
" data-task='"+resource.$task_id+"'"+
" data-start-date='"+gantt.templates.format_date(start_date)+"'"+
"' data-end-date='"+gantt.templates.format_date(end_date)+"'>-</div>";
}
}else{
var sum = assignments.reduce(function(total, assignment){
return total + Number(assignment.value);
}, 0);
if(sum % 1){
sum = Math.round(sum * 10)/10;
}
if(sum){
return "<div>" + sum + "</div>";
}
return "";
}
};
}else{
gantt.config.layout = {
css: "gantt_container",
rows: [
{
cols: [
{view: "grid", scrollX: "scrollHor", scrollY: "scrollVer"},
{resizer: true, width: 1},
{view: "timeline", scrollX: "scrollHor", scrollY: "scrollVer"},
{view: "scrollbar", id: "scrollVer"}
]
},
{view: "scrollbar", id: "scrollHor", height: 20}
]
};
gantt.config.columns = [
{name: "text", tree: true, width: "*", resize: true},
{name: "start_date", align: "center", resize: true},
{name: "duration", align: "center", resize: true},
{name: "add", width: 44}
];
}
}
function resetData(state) {
var count = state.tasks,
from = state.from,
to = state.to;
var buildLinks = state.build_links;
var buildResources = state.resources;
var start = Date.now();
gantt.message("Generating random data");
var data = generateData(count, from, to, buildLinks, buildResources, state.max_resources, state.max_assignments);
gantt.clearAll();
if(buildResources){
gantt.getDatastore(gantt.config.resource_store).clearAll();
gantt.getDatastore(gantt.config.resource_store).parse(data.resources);
}
gantt.parse(data);
var end = Date.now();
gantt.message("Generated and parsed <b>" + gantt.getTaskByTime().length + "</b> tasks and "+gantt.getLinkCount()+" links in <b>" + (end - start) / 1000 + "</b> seconds");
}
function randomDate(start, end) {
return new Date(start.getTime() + Math.random() * (end.getTime() - start.getTime()));
}
function getDateRange(from, to) {
from = parseInt(from, 10) || 2023;
to = parseInt(to, 10) || (from + 1);
if (to < from) {
to = from + 1;
}
return {
start_date: new Date(from, 0, 1),
end_date: new Date(to, 0, 0)
};
}
function generateData(count, from, to, buildLinks, buildResources, resourcesCount, maxAssignmentsPerTask) {
var tasks = {
data: [],
links: []
};
var range = getDateRange(from, to);
count = parseInt(count, 10) || 100;
var resources = null;
if(buildResources){
tasks.resources = generateResources(resourcesCount || Math.floor(count / 10));
}
var date = new Date(range.start_date.getFullYear(), 5, 1);
var project_id = 1;
tasks.data.push({
id: project_id,
text: "Project1",
type: gantt.config.types.project,
open: true
});
for (var i = 1; i < count; i++) {
date = gantt.date.add(date, 1, "day");
var baselineStart = gantt.date.add(date, getRandomInt(0, 20) - 10, "day");
var task = {
id: i + 1,
start_date: date,
text: "Task " + (i + 1),
duration: 8,
parent: project_id,
deadline: gantt.date.add(date, 8 + getRandomInt(0, 8), "day"),
reject_time: gantt.date.add(date, 8 + getRandomInt(8, 15), "day"),
planned_start: baselineStart,
planned_end: gantt.date.add(baselineStart, getRandomInt(1, 15), "day"),
cooldown_time: getRandomInt(0, 5),
misc_icon: getRandomElement(["", "☀", "☁", "☂", "☃"])
};
if (gantt.date.add(date, 8, "day").valueOf() > range.end_date.valueOf()) {
date = new Date(range.start_date);
project_id = i + 1;
delete task.parent;
task.open = true;
}else if(buildLinks && tasks.data[i - 1] && tasks.data[i-1].parent === project_id){
tasks.links.push({
id: `FS-${i}`,
source: i,
target: i+1,
type: gantt.config.links.finish_to_start
});
}
if(buildResources && task.parent){
var resourcesInTask = getRandomIntInclusive(0,maxAssignmentsPerTask);
task[gantt.config.resource_property] = [];
for(var r = 0; r < resourcesInTask; r++){
var res = getRandomResource(tasks.resources);
if(res){
task[gantt.config.resource_property].push({
resource_id: res.id,
value: getRandomIntInclusive(1, 8)
});
}
}
}
tasks.data.push(task);
}
return tasks;
}
function getRandomInt(min, max) {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min) + min); //The maximum is exclusive and the minimum is inclusive
}
function getRandomIntInclusive(min, max) {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min + 1) + min); //The maximum is inclusive and the minimum is inclusive
}
function getRandomElement(array){
return array[getRandomInt(0, array.length)];
}
function getRandomResource(resources){
var maxTries = 100;
var currentTries = 0;
var randomRes = getRandomElement(resources);
while(!randomRes.parent && currentTries < maxTries){// select resource which is not a category
randomRes = getRandomElement(resources);
currentTries ++;
}
return randomRes;
}
function generateResources(count){
var categories = Math.max(Math.floor(count / 10), 1);
var items = count;
var result = [];
for(var i = 0; i < categories; i++){
var currentCategory = "department:" + i;
var itemsInCategory = Math.floor(items / (categories - i));
items = items - itemsInCategory;
result.push({id: currentCategory, text: "Department " + (i + 1)});
for(var j = 0; j < itemsInCategory; j++){
result.push({id: currentCategory + ";item:" + j, text: "Dep:" + (i + 1) + ";Item:" + (j +1), parent: currentCategory});
}
}
return result;
}
gantt.plugins({
auto_scheduling: true
});
gantt.config.work_time = false;
gantt.config.auto_scheduling = false;
gantt.config.resources.resource_store.fetchTasks = true;
gantt.templates.timeline_cell_class = function (task, date) {
if (!gantt.isWorkTime(date))
return "week_end";
return "";
};
gantt.config.min_column_width = 50;
applySettings(currentState);
gantt.init("gantt_here");
resetData(currentState);
var control_inputs = document.getElementById("controls_wrapper").getElementsByTagName("input");
for (var i = 0; i < control_inputs.length; i++) {
var control_input = control_inputs[i];
if (control_input.type == "checkbox")
control_input.onchange = function() {
updCheckboxLabel(this);
}
if (control_input.type == "radio")
control_input.onclick = function() {
updRadio(this);
}
}
function updCheckboxLabel(el){
el.parentElement.classList.toggle("checked_label");
var iconEl = el.parentElement.querySelector("i"),
checked = "check_box",
unchecked = "check_box_outline_blank",
className = "icon_color";
iconEl.textContent = iconEl.textContent==checked?unchecked:checked;
iconEl.classList.toggle(className);
}
function updRadio(el){
var els = document.querySelectorAll("input[type=radio]"),
checked = "radio_button_checked",
unchecked = "radio_button_unchecked";
for (var i = 0; i < els.length; i++) {
var parentEl = els[i].parentElement;
parentEl.querySelector("i").textContent = els[i]==el?checked:unchecked;
if(els[i]==el) {
parentEl.classList.add("checked_label");
parentEl.querySelector("i").classList.add("icon_color");
} else {
parentEl.classList.remove("checked_label")
parentEl.querySelector("i").classList.remove("icon_color");
}
}
}
</script>
</body>