Agent-readable demo data

Title

JPEG Image Export (JavaScript Scheduler) | DayPilot Pro for JavaScript Demo

Tree

DayPilot JavaScript Demo

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Description

Read more about client-side JPEG export.

• Canonical HTML: /demo/scheduler/exportjpg.html
• Markdown companion: /demo/scheduler/exportjpg.md
• Folder: /demo/scheduler/
• Root: /demo/
• Catalog: /demo/llms.txt

Inline demo script 1

const dp = new DayPilot.Scheduler("dp", {
            startDate: "2026-01-01",
            days: 365,
            scale: "Day",
            timeHeaders: [
                {groupBy: "Month", format: "MMMM yyyy"},
                {groupBy: "Cell", format: "d"}
            ],
            treeEnabled: true,
            resources: [
                {
                    name: "Locations", id: "G1", expanded: true, children: [
                        {name: "Room 1", id: "A"},
                        {name: "Room 2", id: "B"},
                        {name: "Room 3", id: "C"},
                        {name: "Room 4", id: "D"}
                    ]
                },
                {
                    name: "People", id: "G2", expanded: true, children: [
                        {name: "Person 1", id: "E"},
                        {name: "Person 2", id: "F"},
                        {name: "Person 3", id: "G"},
                        {name: "Person 4", id: "H"}
                    ]
                },
                {
                    name: "Tools", id: "G3", expanded: true, children: [
                        {name: "Tool 1", id: "I"},
                        {name: "Tool 2", id: "J"},
                        {name: "Tool 3", id: "K"},
                        {name: "Tool 4", id: "L"}
                    ]
                },
            ],
            heightSpec: "Max",
            height: 200,
            eventMovingStartEndEnabled: true,
            eventResizingStartEndEnabled: true,
            timeRangeSelectingStartEndEnabled: true,
            onBeforeEventRender: function (args) {
                args.e.bubbleHtml = "<div><b>" + args.e.text + "</b></div><div>Start: " + new DayPilot.Date(args.e.start).toString("M/d/yyyy") + "</div><div>End: " + new DayPilot.Date(args.e.end).toString("M/d/yyyy") + "</div>";
            },
            onTimeRangeSelected: function (args) {
                var name = prompt("New event name:", "Event");
                dp.clearSelection();
                if (!name) return;
                var e = new DayPilot.Event({
                    start: args.start,
                    end: args.end,
                    id: DayPilot.guid(),
                    resource: args.resource,
                    text: name
                });
                dp.events.add(e);
                dp.message("Created");
            },
            rowHeaderColumns: [
                {title: "Resource"},
                {title: "Details"},
            ],
            onBeforeRowHeaderRender: function (args) {
                if (args.row.columns[1]) {
                    args.row.columns[1].html = "Event count: " + args.row.events.all().length;
                }
            },
            onBeforeRowHeaderExport: function (args) {
                if (args.row.columns[1]) {
                    args.row.columns[1].text = "Count: " + args.row.events.all().length;
                }
            },
            treePreventParentUsage: true,
            onBeforeCornerExport: function(args) {
            }
        });
        dp.init();

        const app = {
            addEventHandlers() {
                document.getElementById("export-button").addEventListener('click', function(ev) {
                    ev.preventDefault();
                    const area = document.getElementById("area").value;
                    const element = dp.exportAs("jpeg", {
                        area: area,
                        dateFrom: "2026-01-01",
                        dateTo: "2026-01-15"
                    }).toElement();
                    const exportElement = document.getElementById("export");
                    exportElement.innerHTML = '';
                    exportElement.appendChild(element);
                });

                document.getElementById("download-button").addEventListener('click', function(ev) {
                    ev.preventDefault();
                    const area = document.getElementById("area").value;
                    dp.exportAs("jpeg", {
                        area: area,
                        dateFrom: "2026-01-01",
                        dateTo: "2026-01-31",
                        resourceFrom: "A",
                        resourceTo: "D"
                    }).download();
                });

            },
            loadEventData() {
                const events = [];

                for (let i = 0; i < 12; i++) {
                    const duration = Math.floor(Math.random() * 6) + 1; // 1 to 6
                    const durationDays = Math.floor(Math.random() * 6); // 0 to 5
                    const start = Math.floor(Math.random() * 6) + 2; // 2 to 7

                    const e = {
                        start: new DayPilot.Date("2026-01-01").addDays(start).toString(),
                        end: new DayPilot.Date("2026-01-01").addDays(start).addDays(durationDays).addHours(duration).toString(),
                        id: DayPilot.guid(),
                        resource: String.fromCharCode(65 + i),
                        text: "Event " + (i + 1)
                    };

                    events.push(e);
                }

                events.push({
                    start: new DayPilot.Date("2026-01-25T00:00:00").toString(),
                    end: new DayPilot.Date("2026-01-25T12:00:00").toString(),
                    id: DayPilot.guid(),
                    resource: "A",
                    text: "Event A"
                });

                dp.update({events: events});
            },
            init() {
                this.addEventHandlers();
                this.loadEventData();
            }
        };
        app.init();