[TikiWiki-commits] [Git][tikiwiki/tiki][30.x] [BP][ENH][UX] Limit month calendar events and open overflow in day view

Alvin Bauma pushed to branch 30.x at Tiki Wiki CMS Groupware / Tiki


Commits:
0cccefbe by Alvin Bauma at 2026-08-25T17:57:31+02:00
[BP][ENH][UX] Limit month calendar events and open overflow in day view
---
* [ENH][UX] Limit month calendar events and open overflow in day view

See merge request tikiwiki/tiki!11058

- - - - -


2 changed files:

- src/js/jquery-tiki/tiki-calendar.js
- themes/base_files/scss/_tiki-calendar.scss


Changes:

=====================================
src/js/jquery-tiki/tiki-calendar.js
=====================================
@@ -40,6 +40,163 @@ $.fn.setupEventCalendar = function (
             }
             return String(value);
         };
+        const maxMonthEventsPerDay = 3;
+        const monthDayHeadFontSize = "0.8rem";
+        const monthEventTimeFontSize = "0.7rem";
+        const monthEventTitleFontSize = "14px";
+        let currentViewType = eventCalendarParams.initialView;
+        let monthEventLimitFrame = null;
+
+        const isMonthGridView = () => currentViewType === "dayGridMonth";
+
+        const getDayDateString = (dayElement) => dayElement?.querySelector(":scope > .ec-day-head time")?.getAttribute("datetime") || "";
+
+        const getMainMonthEventsContainer = (dayElement) => {
+            const eventContainers = Array.from(dayElement.querySelectorAll(":scope > .ec-events:not(.ec-preview)"));
+            return eventContainers[eventContainers.length - 1] || null;
+        };
+
+        const getMonthDayEvents = (dayElement) => {
+            const eventContainer = getMainMonthEventsContainer(dayElement);
+            if (!eventContainer) {
+                return [];
+            }
+            return Array.from(eventContainer.children).filter((eventElement) => eventElement.classList.contains("ec-event"));
+        };
+
+        const clearMonthEventLimit = () => {
+            calendarEl.querySelectorAll(".tiki-calendar-month-event-hidden").forEach((eventElement) => {
+                eventElement.classList.remove("tiki-calendar-month-event-hidden");
+                eventElement.hidden = false;
+                eventElement.style.display = "";
+            });
+            calendarEl.querySelectorAll(".tiki-calendar-month-has-more").forEach((dayElement) => {
+                dayElement.classList.remove("tiki-calendar-month-has-more");
+            });
+            calendarEl.querySelectorAll(".tiki-calendar-more-events").forEach((moreButton) => moreButton.remove());
+            calendarEl.querySelectorAll(".ec-day-grid .ec-day > .ec-events").forEach((eventContainer) => {
+                eventContainer.style.paddingBottom = "";
+            });
+        };
+
+        const applyMonthEventLimit = () => {
+            clearMonthEventLimit();
+            if (!isMonthGridView()) {
+                return;
+            }
+
+            calendarEl.querySelectorAll(".ec-day-grid .ec-body .ec-day").forEach((dayElement) => {
+                dayElement.querySelector(":scope > .ec-day-head")?.style.setProperty("font-size", monthDayHeadFontSize);
+                const events = getMonthDayEvents(dayElement);
+                if (events.length <= maxMonthEventsPerDay) {
+                    return;
+                }
+
+                events.slice(maxMonthEventsPerDay).forEach((eventElement) => {
+                    eventElement.classList.add("tiki-calendar-month-event-hidden");
+                    eventElement.hidden = true;
+                    eventElement.style.display = "none";
+                });
+
+                const hiddenEventCount = events.length - maxMonthEventsPerDay;
+                const dateString = getDayDateString(dayElement);
+                const dayFoot = dayElement.querySelector(":scope > .ec-day-foot");
+                const eventContainer = getMainMonthEventsContainer(dayElement);
+                if (!dayFoot || !dateString) {
+                    return;
+                }
+
+                dayElement.classList.add("tiki-calendar-month-has-more");
+                if (eventContainer) {
+                    eventContainer.style.paddingBottom = "1.45rem";
+                }
+
+                const moreButton = document.createElement("button");
+                moreButton.type = "button";
+                moreButton.className = "tiki-calendar-more-events btn btn-link btn-sm p-0";
+                moreButton.dataset.date = dateString;
+                moreButton.style.setProperty("font-size", monthDayHeadFontSize);
+                moreButton.textContent = tr("+%0 more events").replace("%0", hiddenEventCount);
+                moreButton.title = tr("Show all events for this day");
+                dayFoot.appendChild(moreButton);
+            });
+        };
+
+        const scheduleMonthEventLimit = () => {
+            if (monthEventLimitFrame !== null) {
+                window.cancelAnimationFrame(monthEventLimitFrame);
+            }
+            monthEventLimitFrame = window.requestAnimationFrame(() => {
+                monthEventLimitFrame = window.requestAnimationFrame(() => {
+                    monthEventLimitFrame = null;
+                    applyMonthEventLimit();
+                });
+            });
+        };
+
+        const switchToDayView = (dateValue) => {
+            if (!dateValue || !calendarContainer[0]) {
+                return;
+            }
+            eventCalendarParams.initialView = "timeGridDay";
+            eventCalendarParams.initialDate = dateValue;
+            currentViewType = "timeGridDay";
+            calendarContainer[0].setOption("date", dateValue);
+            calendarContainer[0].setOption("view", "timeGridDay");
+            calendarContainer[0].unselect();
+        };
+
+        const getMoreEventsControlFromEvent = (event) => {
+            if (!(event.target instanceof Element) || !isMonthGridView()) {
+                return null;
+            }
+            return event.target.closest(".tiki-calendar-more-events") || event.target.closest(".ec-day-foot a, .ec-day-foot button");
+        };
+
+        calendarEl.addEventListener(
+            "pointerdown",
+            function (event) {
+                if (getMoreEventsControlFromEvent(event)) {
+                    event.preventDefault();
+                    event.stopPropagation();
+                    event.stopImmediatePropagation();
+                }
+            },
+            true
+        );
+
+        calendarEl.addEventListener(
+            "click",
+            function (event) {
+                const moreControl = getMoreEventsControlFromEvent(event);
+                if (!moreControl) {
+                    return;
+                }
+                event.preventDefault();
+                event.stopPropagation();
+                event.stopImmediatePropagation();
+
+                const dateString = moreControl.dataset.date || getDayDateString(moreControl.closest(".ec-day"));
+                if (dateString) {
+                    switchToDayView(dateString);
+                }
+            },
+            true
+        );
+
+        calendarEl.addEventListener(
+            "keydown",
+            function (event) {
+                const moreControl = getMoreEventsControlFromEvent(event);
+                if ((event.key === "Enter" || event.key === " ") && moreControl) {
+                    event.preventDefault();
+                    event.stopPropagation();
+                    event.stopImmediatePropagation();
+                    moreControl.click();
+                }
+            },
+            true
+        );
 
         const openNewEventModal = (startValue, endValue = null) => {
             if (isOpeningModal) return;
@@ -259,9 +416,10 @@ $.fn.setupEventCalendar = function (
             },
             viewDidMount: function (data) {
                 // Normalize view type because callback payload can expose either `data.type` or `data.view.type`.
-                const currentViewType = data?.type ?? data?.view?.type;
-                if (currentViewType) {
-                    eventCalendarParams.initialView = currentViewType;
+                const mountedViewType = data?.type ?? data?.view?.type;
+                if (mountedViewType) {
+                    eventCalendarParams.initialView = mountedViewType;
+                    currentViewType = mountedViewType;
                 }
                 $(calendarEl).tikiModal();
                 if (currentViewType == "dayGridMonth" || currentViewType == "listMonth") {
@@ -340,6 +498,7 @@ $.fn.setupEventCalendar = function (
                         });
                     }
                 }
+                scheduleMonthEventLimit();
             },
             eventDidMount: function (arg) {
                 const event = arg.event;
@@ -369,12 +528,34 @@ $.fn.setupEventCalendar = function (
                     if (categoryBackgroundColor !== "") {
                         $(element).attr("style", "background-color: " + categoryBackgroundColor);
                     }
-                    $(element).find(".ec-event-time").css({
+                    const timeElement = element.find(".ec-event-time");
+                    timeElement.css({
                         color: textColor,
                     });
-                    $(element).find(".ec-event-title").css({
+                    titleElement.css({
                         color: textColor,
                     });
+                    if (element.closest(".ec-day-grid").length) {
+                        timeElement.css({
+                            fontSize: monthEventTimeFontSize,
+                            lineHeight: "1.2",
+                            overflow: "hidden",
+                            textOverflow: "ellipsis",
+                            whiteSpace: "nowrap",
+                        });
+                        titleElement.css({
+                            display: "-webkit-box",
+                            fontSize: monthEventTitleFontSize,
+                            WebkitBoxOrient: "vertical",
+                            WebkitLineClamp: "2",
+                            lineHeight: "1.2",
+                            maxHeight: "2.4em",
+                            overflow: "hidden",
+                            overflowWrap: "anywhere",
+                            textOverflow: "ellipsis",
+                            whiteSpace: "normal",
+                        });
+                    }
                     const showCopyButton = event.extendedProps.showCopyButton;
                     if (showCopyButton === "y") {
                         const copyButton = $("<i>", {
@@ -410,6 +591,7 @@ $.fn.setupEventCalendar = function (
                 element.addClass("tips");
                 // surely there's a better way?
                 $(element).parent().tiki_popover();
+                scheduleMonthEventLimit();
             },
             eventClick: function (info) {
                 info.jsEvent.preventDefault();
@@ -436,9 +618,7 @@ $.fn.setupEventCalendar = function (
             },
             dateClick: function (info) {
                 if (info.jsEvent.target.classList.contains("ec-day-head")) {
-                    calendarContainer[0].changeView("timeGridDay", info.dateStr);
-                    // Prevent 'select' from firing if we are just switching views
-                    calendarContainer[0].unselect();
+                    switchToDayView(info.dateStr);
                 } else {
                     // Handle Single Click
                     openNewEventModal(info.dateStr ?? info.date);


=====================================
themes/base_files/scss/_tiki-calendar.scss
=====================================
@@ -76,6 +76,53 @@
         display: flex;
         flex-direction: column;
     }
+
+    .ec-day-grid {
+        .ec-day-head {
+            font-size: calc(0.9rem - 2px);
+        }
+
+        .ec-event {
+            min-height: 0;
+        }
+
+        .ec-event .ec-event-time {
+            font-size: calc(0.7rem - 2px);
+            line-height: 1.2;
+            overflow: hidden;
+            text-overflow: ellipsis;
+            white-space: nowrap;
+        }
+
+        .ec-event .ec-event-title {
+            display: -webkit-box;
+            -webkit-box-orient: vertical;
+            -webkit-line-clamp: 2;
+            font-size: 14px;
+            line-height: 1.2;
+            max-height: 2.4em;
+            overflow: hidden;
+            overflow-wrap: anywhere;
+            text-overflow: ellipsis;
+            white-space: normal !important;
+        }
+
+        .tiki-calendar-month-event-hidden {
+            display: none !important;
+        }
+
+        .tiki-calendar-more-events {
+            font-size: 0.78rem;
+            line-height: 1.1;
+            text-decoration: none;
+            white-space: nowrap;
+        }
+
+        .tiki-calendar-more-events:hover,
+        .tiki-calendar-more-events:focus {
+            text-decoration: underline;
+        }
+    }
 }
 
 @media (max-width: breakpoint-max(sm)) {



View it on GitLab: https://gitlab.com/tikiwiki/tiki/-/commit/0cccefbed7e6cbe056f12417df8ffd51ac12290f

-- 
View it on GitLab: https://gitlab.com/tikiwiki/tiki/-/commit/0cccefbed7e6cbe056f12417df8ffd51ac12290f
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