initial commit 2

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diff --git a/addons/web/static/lib/fullcalendar/timegrid/main.css b/addons/web/static/lib/fullcalendar/timegrid/main.css
new file mode 100644
index 00000000..4b8bcd6e
--- /dev/null
+++ b/addons/web/static/lib/fullcalendar/timegrid/main.css
@@ -0,0 +1,309 @@
+@charset "UTF-8";
+/* TimeGridView all-day area
+--------------------------------------------------------------------------------------------------*/
+.fc-timeGrid-view .fc-day-grid {
+  position: relative;
+  z-index: 2;
+  /* so the "more.." popover will be over the time grid */
+}
+
+.fc-timeGrid-view .fc-day-grid .fc-row {
+  min-height: 3em;
+  /* all-day section will never get shorter than this */
+}
+
+.fc-timeGrid-view .fc-day-grid .fc-row .fc-content-skeleton {
+  padding-bottom: 1em;
+  /* give space underneath events for clicking/selecting days */
+}
+
+/* TimeGrid axis running down the side (for both the all-day area and the slot area)
+--------------------------------------------------------------------------------------------------*/
+.fc .fc-axis {
+  /* .fc to overcome default cell styles */
+  vertical-align: middle;
+  padding: 0 4px;
+  white-space: nowrap;
+}
+
+.fc-ltr .fc-axis {
+  text-align: right;
+}
+
+.fc-rtl .fc-axis {
+  text-align: left;
+}
+
+/* TimeGrid Structure
+--------------------------------------------------------------------------------------------------*/
+.fc-time-grid-container,
+.fc-time-grid {
+  /* so slats/bg/content/etc positions get scoped within here */
+  position: relative;
+  z-index: 1;
+}
+
+.fc-time-grid {
+  min-height: 100%;
+  /* so if height setting is 'auto', .fc-bg stretches to fill height */
+}
+
+.fc-time-grid table {
+  /* don't put outer borders on slats/bg/content/etc */
+  border: 0 hidden transparent;
+}
+
+.fc-time-grid > .fc-bg {
+  z-index: 1;
+}
+
+.fc-time-grid .fc-slats,
+.fc-time-grid > hr {
+  /* the <hr> TimeGridView injects when grid is shorter than scroller */
+  position: relative;
+  z-index: 2;
+}
+
+.fc-time-grid .fc-content-col {
+  position: relative;
+  /* because now-indicator lives directly inside */
+}
+
+.fc-time-grid .fc-content-skeleton {
+  position: absolute;
+  z-index: 3;
+  top: 0;
+  left: 0;
+  right: 0;
+}
+
+/* divs within a cell within the fc-content-skeleton */
+.fc-time-grid .fc-business-container {
+  position: relative;
+  z-index: 1;
+}
+
+.fc-time-grid .fc-bgevent-container {
+  position: relative;
+  z-index: 2;
+}
+
+.fc-time-grid .fc-highlight-container {
+  position: relative;
+  z-index: 3;
+}
+
+.fc-time-grid .fc-event-container {
+  position: relative;
+  z-index: 4;
+}
+
+.fc-time-grid .fc-now-indicator-line {
+  z-index: 5;
+}
+
+.fc-time-grid .fc-mirror-container {
+  /* also is fc-event-container */
+  position: relative;
+  z-index: 6;
+}
+
+/* TimeGrid Slats (lines that run horizontally)
+--------------------------------------------------------------------------------------------------*/
+.fc-time-grid .fc-slats td {
+  height: 1.5em;
+  border-bottom: 0;
+  /* each cell is responsible for its top border */
+}
+
+.fc-time-grid .fc-slats .fc-minor td {
+  border-top-style: dotted;
+}
+
+/* TimeGrid Highlighting Slots
+--------------------------------------------------------------------------------------------------*/
+.fc-time-grid .fc-highlight-container {
+  /* a div within a cell within the fc-highlight-skeleton */
+  position: relative;
+  /* scopes the left/right of the fc-highlight to be in the column */
+}
+
+.fc-time-grid .fc-highlight {
+  position: absolute;
+  left: 0;
+  right: 0;
+  /* top and bottom will be in by JS */
+}
+
+/* TimeGrid Event Containment
+--------------------------------------------------------------------------------------------------*/
+.fc-ltr .fc-time-grid .fc-event-container {
+  /* space on the sides of events for LTR (default) */
+  margin: 0 2.5% 0 2px;
+}
+
+.fc-rtl .fc-time-grid .fc-event-container {
+  /* space on the sides of events for RTL */
+  margin: 0 2px 0 2.5%;
+}
+
+.fc-time-grid .fc-event,
+.fc-time-grid .fc-bgevent {
+  position: absolute;
+  z-index: 1;
+  /* scope inner z-index's */
+}
+
+.fc-time-grid .fc-bgevent {
+  /* background events always span full width */
+  left: 0;
+  right: 0;
+}
+
+/* TimeGrid Event Styling
+----------------------------------------------------------------------------------------------------
+We use the full "fc-time-grid-event" class instead of using descendants because the event won't
+be a descendant of the grid when it is being dragged.
+*/
+.fc-time-grid-event {
+  margin-bottom: 1px;
+}
+
+.fc-time-grid-event-inset {
+  -webkit-box-shadow: 0px 0px 0px 1px #fff;
+  box-shadow: 0px 0px 0px 1px #fff;
+}
+
+.fc-time-grid-event.fc-not-start {
+  /* events that are continuing from another day */
+  /* replace space made by the top border with padding */
+  border-top-width: 0;
+  padding-top: 1px;
+  /* remove top rounded corners */
+  border-top-left-radius: 0;
+  border-top-right-radius: 0;
+}
+
+.fc-time-grid-event.fc-not-end {
+  /* replace space made by the top border with padding */
+  border-bottom-width: 0;
+  padding-bottom: 1px;
+  /* remove bottom rounded corners */
+  border-bottom-left-radius: 0;
+  border-bottom-right-radius: 0;
+}
+
+.fc-time-grid-event .fc-content {
+  overflow: hidden;
+  max-height: 100%;
+}
+
+.fc-time-grid-event .fc-time,
+.fc-time-grid-event .fc-title {
+  padding: 0 1px;
+}
+
+.fc-time-grid-event .fc-time {
+  font-size: 0.85em;
+  white-space: nowrap;
+}
+
+/* short mode, where time and title are on the same line */
+.fc-time-grid-event.fc-short .fc-content {
+  /* don't wrap to second line (now that contents will be inline) */
+  white-space: nowrap;
+}
+
+.fc-time-grid-event.fc-short .fc-time,
+.fc-time-grid-event.fc-short .fc-title {
+  /* put the time and title on the same line */
+  display: inline-block;
+  vertical-align: top;
+}
+
+.fc-time-grid-event.fc-short .fc-time span {
+  display: none;
+  /* don't display the full time text... */
+}
+
+.fc-time-grid-event.fc-short .fc-time:before {
+  content: attr(data-start);
+  /* ...instead, display only the start time */
+}
+
+.fc-time-grid-event.fc-short .fc-time:after {
+  content: " - ";
+  /* seperate with a dash, wrapped in nbsp's */
+}
+
+.fc-time-grid-event.fc-short .fc-title {
+  font-size: 0.85em;
+  /* make the title text the same size as the time */
+  padding: 0;
+  /* undo padding from above */
+}
+
+/* resizer (cursor device) */
+.fc-time-grid-event.fc-allow-mouse-resize .fc-resizer {
+  left: 0;
+  right: 0;
+  bottom: 0;
+  height: 8px;
+  overflow: hidden;
+  line-height: 8px;
+  font-size: 11px;
+  font-family: monospace;
+  text-align: center;
+  cursor: s-resize;
+}
+
+.fc-time-grid-event.fc-allow-mouse-resize .fc-resizer:after {
+  content: "=";
+}
+
+/* resizer (touch device) */
+.fc-time-grid-event.fc-selected .fc-resizer {
+  /* 10x10 dot */
+  border-radius: 5px;
+  border-width: 1px;
+  width: 8px;
+  height: 8px;
+  border-style: solid;
+  border-color: inherit;
+  background: #fff;
+  /* horizontally center */
+  left: 50%;
+  margin-left: -5px;
+  /* center on the bottom edge */
+  bottom: -5px;
+}
+
+/* Now Indicator
+--------------------------------------------------------------------------------------------------*/
+.fc-time-grid .fc-now-indicator-line {
+  border-top-width: 1px;
+  left: 0;
+  right: 0;
+}
+
+/* arrow on axis */
+.fc-time-grid .fc-now-indicator-arrow {
+  margin-top: -5px;
+  /* vertically center on top coordinate */
+}
+
+.fc-ltr .fc-time-grid .fc-now-indicator-arrow {
+  left: 0;
+  /* triangle pointing right... */
+  border-width: 5px 0 5px 6px;
+  border-top-color: transparent;
+  border-bottom-color: transparent;
+}
+
+.fc-rtl .fc-time-grid .fc-now-indicator-arrow {
+  right: 0;
+  /* triangle pointing left... */
+  border-width: 5px 6px 5px 0;
+  border-top-color: transparent;
+  border-bottom-color: transparent;
+}
\ No newline at end of file
diff --git a/addons/web/static/lib/fullcalendar/timegrid/main.js b/addons/web/static/lib/fullcalendar/timegrid/main.js
new file mode 100644
index 00000000..0ffebd67
--- /dev/null
+++ b/addons/web/static/lib/fullcalendar/timegrid/main.js
@@ -0,0 +1,1403 @@
+/*!
+FullCalendar Time Grid Plugin v4.4.0
+Docs & License: https://fullcalendar.io/
+(c) 2019 Adam Shaw
+*/
+
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@fullcalendar/core'), require('@fullcalendar/daygrid')) :
+    typeof define === 'function' && define.amd ? define(['exports', '@fullcalendar/core', '@fullcalendar/daygrid'], factory) :
+    (global = global || self, factory(global.FullCalendarTimeGrid = {}, global.FullCalendar, global.FullCalendarDayGrid));
+}(this, function (exports, core, daygrid) { 'use strict';
+
+    /*! *****************************************************************************

+    Copyright (c) Microsoft Corporation. All rights reserved.

+    Licensed under the Apache License, Version 2.0 (the "License"); you may not use

+    this file except in compliance with the License. You may obtain a copy of the

+    License at http://www.apache.org/licenses/LICENSE-2.0

+

+    THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

+    KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED

+    WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,

+    MERCHANTABLITY OR NON-INFRINGEMENT.

+

+    See the Apache Version 2.0 License for specific language governing permissions

+    and limitations under the License.

+    ***************************************************************************** */

+    /* global Reflect, Promise */

+

+    var extendStatics = function(d, b) {

+        extendStatics = Object.setPrototypeOf ||

+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||

+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };

+        return extendStatics(d, b);

+    };

+

+    function __extends(d, b) {

+        extendStatics(d, b);

+        function __() { this.constructor = d; }

+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());

+    }

+

+    var __assign = function() {

+        __assign = Object.assign || function __assign(t) {

+            for (var s, i = 1, n = arguments.length; i < n; i++) {

+                s = arguments[i];

+                for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];

+            }

+            return t;

+        };

+        return __assign.apply(this, arguments);

+    };
+
+    /*
+    Only handles foreground segs.
+    Does not own rendering. Use for low-level util methods by TimeGrid.
+    */
+    var TimeGridEventRenderer = /** @class */ (function (_super) {
+        __extends(TimeGridEventRenderer, _super);
+        function TimeGridEventRenderer(timeGrid) {
+            var _this = _super.call(this) || this;
+            _this.timeGrid = timeGrid;
+            return _this;
+        }
+        TimeGridEventRenderer.prototype.renderSegs = function (context, segs, mirrorInfo) {
+            _super.prototype.renderSegs.call(this, context, segs, mirrorInfo);
+            // TODO: dont do every time. memoize
+            this.fullTimeFormat = core.createFormatter({
+                hour: 'numeric',
+                minute: '2-digit',
+                separator: this.context.options.defaultRangeSeparator
+            });
+        };
+        // Given an array of foreground segments, render a DOM element for each, computes position,
+        // and attaches to the column inner-container elements.
+        TimeGridEventRenderer.prototype.attachSegs = function (segs, mirrorInfo) {
+            var segsByCol = this.timeGrid.groupSegsByCol(segs);
+            // order the segs within each column
+            // TODO: have groupSegsByCol do this?
+            for (var col = 0; col < segsByCol.length; col++) {
+                segsByCol[col] = this.sortEventSegs(segsByCol[col]);
+            }
+            this.segsByCol = segsByCol;
+            this.timeGrid.attachSegsByCol(segsByCol, this.timeGrid.fgContainerEls);
+        };
+        TimeGridEventRenderer.prototype.detachSegs = function (segs) {
+            segs.forEach(function (seg) {
+                core.removeElement(seg.el);
+            });
+            this.segsByCol = null;
+        };
+        TimeGridEventRenderer.prototype.computeSegSizes = function (allSegs) {
+            var _a = this, timeGrid = _a.timeGrid, segsByCol = _a.segsByCol;
+            var colCnt = timeGrid.colCnt;
+            timeGrid.computeSegVerticals(allSegs); // horizontals relies on this
+            if (segsByCol) {
+                for (var col = 0; col < colCnt; col++) {
+                    this.computeSegHorizontals(segsByCol[col]); // compute horizontal coordinates, z-index's, and reorder the array
+                }
+            }
+        };
+        TimeGridEventRenderer.prototype.assignSegSizes = function (allSegs) {
+            var _a = this, timeGrid = _a.timeGrid, segsByCol = _a.segsByCol;
+            var colCnt = timeGrid.colCnt;
+            timeGrid.assignSegVerticals(allSegs); // horizontals relies on this
+            if (segsByCol) {
+                for (var col = 0; col < colCnt; col++) {
+                    this.assignSegCss(segsByCol[col]);
+                }
+            }
+        };
+        // Computes a default event time formatting string if `eventTimeFormat` is not explicitly defined
+        TimeGridEventRenderer.prototype.computeEventTimeFormat = function () {
+            return {
+                hour: 'numeric',
+                minute: '2-digit',
+                meridiem: false
+            };
+        };
+        // Computes a default `displayEventEnd` value if one is not expliclty defined
+        TimeGridEventRenderer.prototype.computeDisplayEventEnd = function () {
+            return true;
+        };
+        // Renders the HTML for a single event segment's default rendering
+        TimeGridEventRenderer.prototype.renderSegHtml = function (seg, mirrorInfo) {
+            var eventRange = seg.eventRange;
+            var eventDef = eventRange.def;
+            var eventUi = eventRange.ui;
+            var allDay = eventDef.allDay;
+            var isDraggable = core.computeEventDraggable(this.context, eventDef, eventUi);
+            var isResizableFromStart = seg.isStart && core.computeEventStartResizable(this.context, eventDef, eventUi);
+            var isResizableFromEnd = seg.isEnd && core.computeEventEndResizable(this.context, eventDef, eventUi);
+            var classes = this.getSegClasses(seg, isDraggable, isResizableFromStart || isResizableFromEnd, mirrorInfo);
+            var skinCss = core.cssToStr(this.getSkinCss(eventUi));
+            var timeText;
+            var fullTimeText; // more verbose time text. for the print stylesheet
+            var startTimeText; // just the start time text
+            classes.unshift('fc-time-grid-event');
+            // if the event appears to span more than one day...
+            if (core.isMultiDayRange(eventRange.range)) {
+                // Don't display time text on segments that run entirely through a day.
+                // That would appear as midnight-midnight and would look dumb.
+                // Otherwise, display the time text for the *segment's* times (like 6pm-midnight or midnight-10am)
+                if (seg.isStart || seg.isEnd) {
+                    var unzonedStart = seg.start;
+                    var unzonedEnd = seg.end;
+                    timeText = this._getTimeText(unzonedStart, unzonedEnd, allDay); // TODO: give the timezones
+                    fullTimeText = this._getTimeText(unzonedStart, unzonedEnd, allDay, this.fullTimeFormat);
+                    startTimeText = this._getTimeText(unzonedStart, unzonedEnd, allDay, null, false); // displayEnd=false
+                }
+            }
+            else {
+                // Display the normal time text for the *event's* times
+                timeText = this.getTimeText(eventRange);
+                fullTimeText = this.getTimeText(eventRange, this.fullTimeFormat);
+                startTimeText = this.getTimeText(eventRange, null, false); // displayEnd=false
+            }
+            return '<a class="' + classes.join(' ') + '"' +
+                (eventDef.url ?
+                    ' href="' + core.htmlEscape(eventDef.url) + '"' :
+                    '') +
+                (skinCss ?
+                    ' style="' + skinCss + '"' :
+                    '') +
+                '>' +
+                '<div class="fc-content">' +
+                (timeText ?
+                    '<div class="fc-time"' +
+                        ' data-start="' + core.htmlEscape(startTimeText) + '"' +
+                        ' data-full="' + core.htmlEscape(fullTimeText) + '"' +
+                        '>' +
+                        '<span>' + core.htmlEscape(timeText) + '</span>' +
+                        '</div>' :
+                    '') +
+                (eventDef.title ?
+                    '<div class="fc-title">' +
+                        core.htmlEscape(eventDef.title) +
+                        '</div>' :
+                    '') +
+                '</div>' +
+                /* TODO: write CSS for this
+                (isResizableFromStart ?
+                  '<div class="fc-resizer fc-start-resizer"></div>' :
+                  ''
+                  ) +
+                */
+                (isResizableFromEnd ?
+                    '<div class="fc-resizer fc-end-resizer"></div>' :
+                    '') +
+                '</a>';
+        };
+        // Given an array of segments that are all in the same column, sets the backwardCoord and forwardCoord on each.
+        // Assumed the segs are already ordered.
+        // NOTE: Also reorders the given array by date!
+        TimeGridEventRenderer.prototype.computeSegHorizontals = function (segs) {
+            var levels;
+            var level0;
+            var i;
+            levels = buildSlotSegLevels(segs);
+            computeForwardSlotSegs(levels);
+            if ((level0 = levels[0])) {
+                for (i = 0; i < level0.length; i++) {
+                    computeSlotSegPressures(level0[i]);
+                }
+                for (i = 0; i < level0.length; i++) {
+                    this.computeSegForwardBack(level0[i], 0, 0);
+                }
+            }
+        };
+        // Calculate seg.forwardCoord and seg.backwardCoord for the segment, where both values range
+        // from 0 to 1. If the calendar is left-to-right, the seg.backwardCoord maps to "left" and
+        // seg.forwardCoord maps to "right" (via percentage). Vice-versa if the calendar is right-to-left.
+        //
+        // The segment might be part of a "series", which means consecutive segments with the same pressure
+        // who's width is unknown until an edge has been hit. `seriesBackwardPressure` is the number of
+        // segments behind this one in the current series, and `seriesBackwardCoord` is the starting
+        // coordinate of the first segment in the series.
+        TimeGridEventRenderer.prototype.computeSegForwardBack = function (seg, seriesBackwardPressure, seriesBackwardCoord) {
+            var forwardSegs = seg.forwardSegs;
+            var i;
+            if (seg.forwardCoord === undefined) { // not already computed
+                if (!forwardSegs.length) {
+                    // if there are no forward segments, this segment should butt up against the edge
+                    seg.forwardCoord = 1;
+                }
+                else {
+                    // sort highest pressure first
+                    this.sortForwardSegs(forwardSegs);
+                    // this segment's forwardCoord will be calculated from the backwardCoord of the
+                    // highest-pressure forward segment.
+                    this.computeSegForwardBack(forwardSegs[0], seriesBackwardPressure + 1, seriesBackwardCoord);
+                    seg.forwardCoord = forwardSegs[0].backwardCoord;
+                }
+                // calculate the backwardCoord from the forwardCoord. consider the series
+                seg.backwardCoord = seg.forwardCoord -
+                    (seg.forwardCoord - seriesBackwardCoord) / // available width for series
+                        (seriesBackwardPressure + 1); // # of segments in the series
+                // use this segment's coordinates to computed the coordinates of the less-pressurized
+                // forward segments
+                for (i = 0; i < forwardSegs.length; i++) {
+                    this.computeSegForwardBack(forwardSegs[i], 0, seg.forwardCoord);
+                }
+            }
+        };
+        TimeGridEventRenderer.prototype.sortForwardSegs = function (forwardSegs) {
+            var objs = forwardSegs.map(buildTimeGridSegCompareObj);
+            var specs = [
+                // put higher-pressure first
+                { field: 'forwardPressure', order: -1 },
+                // put segments that are closer to initial edge first (and favor ones with no coords yet)
+                { field: 'backwardCoord', order: 1 }
+            ].concat(this.context.eventOrderSpecs);
+            objs.sort(function (obj0, obj1) {
+                return core.compareByFieldSpecs(obj0, obj1, specs);
+            });
+            return objs.map(function (c) {
+                return c._seg;
+            });
+        };
+        // Given foreground event segments that have already had their position coordinates computed,
+        // assigns position-related CSS values to their elements.
+        TimeGridEventRenderer.prototype.assignSegCss = function (segs) {
+            for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) {
+                var seg = segs_1[_i];
+                core.applyStyle(seg.el, this.generateSegCss(seg));
+                if (seg.level > 0) {
+                    seg.el.classList.add('fc-time-grid-event-inset');
+                }
+                // if the event is short that the title will be cut off,
+                // attach a className that condenses the title into the time area.
+                //if (seg.eventRange.def.title && seg.bottom - seg.top < 30) {
+                // ODOO FIX: fc-short without title as done in 3.0 and 5.0
+                if (seg.bottom - seg.top < 30) {
+                    seg.el.classList.add('fc-short'); // TODO: "condensed" is a better name
+                }
+            }
+        };
+        // Generates an object with CSS properties/values that should be applied to an event segment element.
+        // Contains important positioning-related properties that should be applied to any event element, customized or not.
+        TimeGridEventRenderer.prototype.generateSegCss = function (seg) {
+            var shouldOverlap = this.context.options.slotEventOverlap;
+            var backwardCoord = seg.backwardCoord; // the left side if LTR. the right side if RTL. floating-point
+            var forwardCoord = seg.forwardCoord; // the right side if LTR. the left side if RTL. floating-point
+            var props = this.timeGrid.generateSegVerticalCss(seg); // get top/bottom first
+            var isRtl = this.context.isRtl;
+            var left; // amount of space from left edge, a fraction of the total width
+            var right; // amount of space from right edge, a fraction of the total width
+            if (shouldOverlap) {
+                // double the width, but don't go beyond the maximum forward coordinate (1.0)
+                forwardCoord = Math.min(1, backwardCoord + (forwardCoord - backwardCoord) * 2);
+            }
+            if (isRtl) {
+                left = 1 - forwardCoord;
+                right = backwardCoord;
+            }
+            else {
+                left = backwardCoord;
+                right = 1 - forwardCoord;
+            }
+            props.zIndex = seg.level + 1; // convert from 0-base to 1-based
+            props.left = left * 100 + '%';
+            props.right = right * 100 + '%';
+            if (shouldOverlap && seg.forwardPressure) {
+                // add padding to the edge so that forward stacked events don't cover the resizer's icon
+                props[isRtl ? 'marginLeft' : 'marginRight'] = 10 * 2; // 10 is a guesstimate of the icon's width
+            }
+            return props;
+        };
+        return TimeGridEventRenderer;
+    }(core.FgEventRenderer));
+    // Builds an array of segments "levels". The first level will be the leftmost tier of segments if the calendar is
+    // left-to-right, or the rightmost if the calendar is right-to-left. Assumes the segments are already ordered by date.
+    function buildSlotSegLevels(segs) {
+        var levels = [];
+        var i;
+        var seg;
+        var j;
+        for (i = 0; i < segs.length; i++) {
+            seg = segs[i];
+            // go through all the levels and stop on the first level where there are no collisions
+            for (j = 0; j < levels.length; j++) {
+                if (!computeSlotSegCollisions(seg, levels[j]).length) {
+                    break;
+                }
+            }
+            seg.level = j;
+            (levels[j] || (levels[j] = [])).push(seg);
+        }
+        return levels;
+    }
+    // For every segment, figure out the other segments that are in subsequent
+    // levels that also occupy the same vertical space. Accumulate in seg.forwardSegs
+    function computeForwardSlotSegs(levels) {
+        var i;
+        var level;
+        var j;
+        var seg;
+        var k;
+        for (i = 0; i < levels.length; i++) {
+            level = levels[i];
+            for (j = 0; j < level.length; j++) {
+                seg = level[j];
+                seg.forwardSegs = [];
+                for (k = i + 1; k < levels.length; k++) {
+                    computeSlotSegCollisions(seg, levels[k], seg.forwardSegs);
+                }
+            }
+        }
+    }
+    // Figure out which path forward (via seg.forwardSegs) results in the longest path until
+    // the furthest edge is reached. The number of segments in this path will be seg.forwardPressure
+    function computeSlotSegPressures(seg) {
+        var forwardSegs = seg.forwardSegs;
+        var forwardPressure = 0;
+        var i;
+        var forwardSeg;
+        if (seg.forwardPressure === undefined) { // not already computed
+            for (i = 0; i < forwardSegs.length; i++) {
+                forwardSeg = forwardSegs[i];
+                // figure out the child's maximum forward path
+                computeSlotSegPressures(forwardSeg);
+                // either use the existing maximum, or use the child's forward pressure
+                // plus one (for the forwardSeg itself)
+                forwardPressure = Math.max(forwardPressure, 1 + forwardSeg.forwardPressure);
+            }
+            seg.forwardPressure = forwardPressure;
+        }
+    }
+    // Find all the segments in `otherSegs` that vertically collide with `seg`.
+    // Append into an optionally-supplied `results` array and return.
+    function computeSlotSegCollisions(seg, otherSegs, results) {
+        if (results === void 0) { results = []; }
+        for (var i = 0; i < otherSegs.length; i++) {
+            if (isSlotSegCollision(seg, otherSegs[i])) {
+                results.push(otherSegs[i]);
+            }
+        }
+        return results;
+    }
+    // Do these segments occupy the same vertical space?
+    function isSlotSegCollision(seg1, seg2) {
+        return seg1.bottom > seg2.top && seg1.top < seg2.bottom;
+    }
+    function buildTimeGridSegCompareObj(seg) {
+        var obj = core.buildSegCompareObj(seg);
+        obj.forwardPressure = seg.forwardPressure;
+        obj.backwardCoord = seg.backwardCoord;
+        return obj;
+    }
+
+    var TimeGridMirrorRenderer = /** @class */ (function (_super) {
+        __extends(TimeGridMirrorRenderer, _super);
+        function TimeGridMirrorRenderer() {
+            return _super !== null && _super.apply(this, arguments) || this;
+        }
+        TimeGridMirrorRenderer.prototype.attachSegs = function (segs, mirrorInfo) {
+            this.segsByCol = this.timeGrid.groupSegsByCol(segs);
+            this.timeGrid.attachSegsByCol(this.segsByCol, this.timeGrid.mirrorContainerEls);
+            this.sourceSeg = mirrorInfo.sourceSeg;
+        };
+        TimeGridMirrorRenderer.prototype.generateSegCss = function (seg) {
+            var props = _super.prototype.generateSegCss.call(this, seg);
+            var sourceSeg = this.sourceSeg;
+            if (sourceSeg && sourceSeg.col === seg.col) {
+                var sourceSegProps = _super.prototype.generateSegCss.call(this, sourceSeg);
+                props.left = sourceSegProps.left;
+                props.right = sourceSegProps.right;
+                props.marginLeft = sourceSegProps.marginLeft;
+                props.marginRight = sourceSegProps.marginRight;
+            }
+            return props;
+        };
+        return TimeGridMirrorRenderer;
+    }(TimeGridEventRenderer));
+
+    var TimeGridFillRenderer = /** @class */ (function (_super) {
+        __extends(TimeGridFillRenderer, _super);
+        function TimeGridFillRenderer(timeGrid) {
+            var _this = _super.call(this) || this;
+            _this.timeGrid = timeGrid;
+            return _this;
+        }
+        TimeGridFillRenderer.prototype.attachSegs = function (type, segs) {
+            var timeGrid = this.timeGrid;
+            var containerEls;
+            // TODO: more efficient lookup
+            if (type === 'bgEvent') {
+                containerEls = timeGrid.bgContainerEls;
+            }
+            else if (type === 'businessHours') {
+                containerEls = timeGrid.businessContainerEls;
+            }
+            else if (type === 'highlight') {
+                containerEls = timeGrid.highlightContainerEls;
+            }
+            timeGrid.attachSegsByCol(timeGrid.groupSegsByCol(segs), containerEls);
+            return segs.map(function (seg) {
+                return seg.el;
+            });
+        };
+        TimeGridFillRenderer.prototype.computeSegSizes = function (segs) {
+            this.timeGrid.computeSegVerticals(segs);
+        };
+        TimeGridFillRenderer.prototype.assignSegSizes = function (segs) {
+            this.timeGrid.assignSegVerticals(segs);
+        };
+        return TimeGridFillRenderer;
+    }(core.FillRenderer));
+
+    /* A component that renders one or more columns of vertical time slots
+    ----------------------------------------------------------------------------------------------------------------------*/
+    // potential nice values for the slot-duration and interval-duration
+    // from largest to smallest
+    var AGENDA_STOCK_SUB_DURATIONS = [
+        { hours: 1 },
+        { minutes: 30 },
+        { minutes: 15 },
+        { seconds: 30 },
+        { seconds: 15 }
+    ];
+    var TimeGrid = /** @class */ (function (_super) {
+        __extends(TimeGrid, _super);
+        function TimeGrid(el, renderProps) {
+            var _this = _super.call(this, el) || this;
+            _this.isSlatSizesDirty = false;
+            _this.isColSizesDirty = false;
+            _this.processOptions = core.memoize(_this._processOptions);
+            _this.renderSkeleton = core.memoizeRendering(_this._renderSkeleton);
+            _this.renderSlats = core.memoizeRendering(_this._renderSlats, null, [_this.renderSkeleton]);
+            _this.renderColumns = core.memoizeRendering(_this._renderColumns, _this._unrenderColumns, [_this.renderSkeleton]);
+            _this.renderProps = renderProps;
+            var renderColumns = _this.renderColumns;
+            var eventRenderer = _this.eventRenderer = new TimeGridEventRenderer(_this);
+            var fillRenderer = _this.fillRenderer = new TimeGridFillRenderer(_this);
+            _this.mirrorRenderer = new TimeGridMirrorRenderer(_this);
+            _this.renderBusinessHours = core.memoizeRendering(fillRenderer.renderSegs.bind(fillRenderer, 'businessHours'), fillRenderer.unrender.bind(fillRenderer, 'businessHours'), [renderColumns]);
+            _this.renderDateSelection = core.memoizeRendering(_this._renderDateSelection, _this._unrenderDateSelection, [renderColumns]);
+            _this.renderFgEvents = core.memoizeRendering(eventRenderer.renderSegs.bind(eventRenderer), eventRenderer.unrender.bind(eventRenderer), [renderColumns]);
+            _this.renderBgEvents = core.memoizeRendering(fillRenderer.renderSegs.bind(fillRenderer, 'bgEvent'), fillRenderer.unrender.bind(fillRenderer, 'bgEvent'), [renderColumns]);
+            _this.renderEventSelection = core.memoizeRendering(eventRenderer.selectByInstanceId.bind(eventRenderer), eventRenderer.unselectByInstanceId.bind(eventRenderer), [_this.renderFgEvents]);
+            _this.renderEventDrag = core.memoizeRendering(_this._renderEventDrag, _this._unrenderEventDrag, [renderColumns]);
+            _this.renderEventResize = core.memoizeRendering(_this._renderEventResize, _this._unrenderEventResize, [renderColumns]);
+            return _this;
+        }
+        /* Options
+        ------------------------------------------------------------------------------------------------------------------*/
+        // Parses various options into properties of this object
+        // MUST have context already set
+        TimeGrid.prototype._processOptions = function (options) {
+            var slotDuration = options.slotDuration, snapDuration = options.snapDuration;
+            var snapsPerSlot;
+            var input;
+            slotDuration = core.createDuration(slotDuration);
+            snapDuration = snapDuration ? core.createDuration(snapDuration) : slotDuration;
+            snapsPerSlot = core.wholeDivideDurations(slotDuration, snapDuration);
+            if (snapsPerSlot === null) {
+                snapDuration = slotDuration;
+                snapsPerSlot = 1;
+                // TODO: say warning?
+            }
+            this.slotDuration = slotDuration;
+            this.snapDuration = snapDuration;
+            this.snapsPerSlot = snapsPerSlot;
+            // might be an array value (for TimelineView).
+            // if so, getting the most granular entry (the last one probably).
+            input = options.slotLabelFormat;
+            if (Array.isArray(input)) {
+                input = input[input.length - 1];
+            }
+            this.labelFormat = core.createFormatter(input || {
+                hour: 'numeric',
+                minute: '2-digit',
+                omitZeroMinute: true,
+                meridiem: 'short'
+            });
+            input = options.slotLabelInterval;
+            this.labelInterval = input ?
+                core.createDuration(input) :
+                this.computeLabelInterval(slotDuration);
+        };
+        // Computes an automatic value for slotLabelInterval
+        TimeGrid.prototype.computeLabelInterval = function (slotDuration) {
+            var i;
+            var labelInterval;
+            var slotsPerLabel;
+            // find the smallest stock label interval that results in more than one slots-per-label
+            for (i = AGENDA_STOCK_SUB_DURATIONS.length - 1; i >= 0; i--) {
+                labelInterval = core.createDuration(AGENDA_STOCK_SUB_DURATIONS[i]);
+                slotsPerLabel = core.wholeDivideDurations(labelInterval, slotDuration);
+                if (slotsPerLabel !== null && slotsPerLabel > 1) {
+                    return labelInterval;
+                }
+            }
+            return slotDuration; // fall back
+        };
+        /* Rendering
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype.render = function (props, context) {
+            this.processOptions(context.options);
+            var cells = props.cells;
+            this.colCnt = cells.length;
+            this.renderSkeleton(context.theme);
+            this.renderSlats(props.dateProfile);
+            this.renderColumns(props.cells, props.dateProfile);
+            this.renderBusinessHours(context, props.businessHourSegs);
+            this.renderDateSelection(props.dateSelectionSegs);
+            this.renderFgEvents(context, props.fgEventSegs);
+            this.renderBgEvents(context, props.bgEventSegs);
+            this.renderEventSelection(props.eventSelection);
+            this.renderEventDrag(props.eventDrag);
+            this.renderEventResize(props.eventResize);
+        };
+        TimeGrid.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            // should unrender everything else too
+            this.renderSlats.unrender();
+            this.renderColumns.unrender();
+            this.renderSkeleton.unrender();
+        };
+        TimeGrid.prototype.updateSize = function (isResize) {
+            var _a = this, fillRenderer = _a.fillRenderer, eventRenderer = _a.eventRenderer, mirrorRenderer = _a.mirrorRenderer;
+            if (isResize || this.isSlatSizesDirty) {
+                this.buildSlatPositions();
+                this.isSlatSizesDirty = false;
+            }
+            if (isResize || this.isColSizesDirty) {
+                this.buildColPositions();
+                this.isColSizesDirty = false;
+            }
+            fillRenderer.computeSizes(isResize);
+            eventRenderer.computeSizes(isResize);
+            mirrorRenderer.computeSizes(isResize);
+            fillRenderer.assignSizes(isResize);
+            eventRenderer.assignSizes(isResize);
+            mirrorRenderer.assignSizes(isResize);
+        };
+        TimeGrid.prototype._renderSkeleton = function (theme) {
+            var el = this.el;
+            el.innerHTML =
+                '<div class="fc-bg"></div>' +
+                    '<div class="fc-slats"></div>' +
+                    '<hr class="fc-divider ' + theme.getClass('widgetHeader') + '" style="display:none" />';
+            this.rootBgContainerEl = el.querySelector('.fc-bg');
+            this.slatContainerEl = el.querySelector('.fc-slats');
+            this.bottomRuleEl = el.querySelector('.fc-divider');
+        };
+        TimeGrid.prototype._renderSlats = function (dateProfile) {
+            var theme = this.context.theme;
+            this.slatContainerEl.innerHTML =
+                '<table class="' + theme.getClass('tableGrid') + '">' +
+                    this.renderSlatRowHtml(dateProfile) +
+                    '</table>';
+            this.slatEls = core.findElements(this.slatContainerEl, 'tr');
+            this.slatPositions = new core.PositionCache(this.el, this.slatEls, false, true // vertical
+            );
+            this.isSlatSizesDirty = true;
+        };
+        // Generates the HTML for the horizontal "slats" that run width-wise. Has a time axis on a side. Depends on RTL.
+        TimeGrid.prototype.renderSlatRowHtml = function (dateProfile) {
+            var _a = this.context, dateEnv = _a.dateEnv, theme = _a.theme, isRtl = _a.isRtl;
+            var html = '';
+            var dayStart = core.startOfDay(dateProfile.renderRange.start);
+            var slotTime = dateProfile.minTime;
+            var slotIterator = core.createDuration(0);
+            var slotDate; // will be on the view's first day, but we only care about its time
+            var isLabeled;
+            var axisHtml;
+            // Calculate the time for each slot
+            while (core.asRoughMs(slotTime) < core.asRoughMs(dateProfile.maxTime)) {
+                slotDate = dateEnv.add(dayStart, slotTime);
+                isLabeled = core.wholeDivideDurations(slotIterator, this.labelInterval) !== null;
+                axisHtml =
+                    '<td class="fc-axis fc-time ' + theme.getClass('widgetContent') + '">' +
+                        (isLabeled ?
+                            '<span>' + // for matchCellWidths
+                                core.htmlEscape(dateEnv.format(slotDate, this.labelFormat)) +
+                                '</span>' :
+                            '') +
+                        '</td>';
+                html +=
+                    '<tr data-time="' + core.formatIsoTimeString(slotDate) + '"' +
+                        (isLabeled ? '' : ' class="fc-minor"') +
+                        '>' +
+                        (!isRtl ? axisHtml : '') +
+                        '<td class="' + theme.getClass('widgetContent') + '"></td>' +
+                        (isRtl ? axisHtml : '') +
+                        '</tr>';
+                slotTime = core.addDurations(slotTime, this.slotDuration);
+                slotIterator = core.addDurations(slotIterator, this.slotDuration);
+            }
+            return html;
+        };
+        TimeGrid.prototype._renderColumns = function (cells, dateProfile) {
+            var _a = this.context, calendar = _a.calendar, view = _a.view, isRtl = _a.isRtl, theme = _a.theme, dateEnv = _a.dateEnv;
+            var bgRow = new daygrid.DayBgRow(this.context);
+            this.rootBgContainerEl.innerHTML =
+                '<table class="' + theme.getClass('tableGrid') + '">' +
+                    bgRow.renderHtml({
+                        cells: cells,
+                        dateProfile: dateProfile,
+                        renderIntroHtml: this.renderProps.renderBgIntroHtml
+                    }) +
+                    '</table>';
+            this.colEls = core.findElements(this.el, '.fc-day, .fc-disabled-day');
+            for (var col = 0; col < this.colCnt; col++) {
+                calendar.publiclyTrigger('dayRender', [
+                    {
+                        date: dateEnv.toDate(cells[col].date),
+                        el: this.colEls[col],
+                        view: view
+                    }
+                ]);
+            }
+            if (isRtl) {
+                this.colEls.reverse();
+            }
+            this.colPositions = new core.PositionCache(this.el, this.colEls, true, // horizontal
+            false);
+            this.renderContentSkeleton();
+            this.isColSizesDirty = true;
+        };
+        TimeGrid.prototype._unrenderColumns = function () {
+            this.unrenderContentSkeleton();
+        };
+        /* Content Skeleton
+        ------------------------------------------------------------------------------------------------------------------*/
+        // Renders the DOM that the view's content will live in
+        TimeGrid.prototype.renderContentSkeleton = function () {
+            var isRtl = this.context.isRtl;
+            var parts = [];
+            var skeletonEl;
+            parts.push(this.renderProps.renderIntroHtml());
+            for (var i = 0; i < this.colCnt; i++) {
+                parts.push('<td>' +
+                    '<div class="fc-content-col">' +
+                    '<div class="fc-event-container fc-mirror-container"></div>' +
+                    '<div class="fc-event-container"></div>' +
+                    '<div class="fc-highlight-container"></div>' +
+                    '<div class="fc-bgevent-container"></div>' +
+                    '<div class="fc-business-container"></div>' +
+                    '</div>' +
+                    '</td>');
+            }
+            if (isRtl) {
+                parts.reverse();
+            }
+            skeletonEl = this.contentSkeletonEl = core.htmlToElement('<div class="fc-content-skeleton">' +
+                '<table>' +
+                '<tr>' + parts.join('') + '</tr>' +
+                '</table>' +
+                '</div>');
+            this.colContainerEls = core.findElements(skeletonEl, '.fc-content-col');
+            this.mirrorContainerEls = core.findElements(skeletonEl, '.fc-mirror-container');
+            this.fgContainerEls = core.findElements(skeletonEl, '.fc-event-container:not(.fc-mirror-container)');
+            this.bgContainerEls = core.findElements(skeletonEl, '.fc-bgevent-container');
+            this.highlightContainerEls = core.findElements(skeletonEl, '.fc-highlight-container');
+            this.businessContainerEls = core.findElements(skeletonEl, '.fc-business-container');
+            if (isRtl) {
+                this.colContainerEls.reverse();
+                this.mirrorContainerEls.reverse();
+                this.fgContainerEls.reverse();
+                this.bgContainerEls.reverse();
+                this.highlightContainerEls.reverse();
+                this.businessContainerEls.reverse();
+            }
+            this.el.appendChild(skeletonEl);
+        };
+        TimeGrid.prototype.unrenderContentSkeleton = function () {
+            core.removeElement(this.contentSkeletonEl);
+        };
+        // Given a flat array of segments, return an array of sub-arrays, grouped by each segment's col
+        TimeGrid.prototype.groupSegsByCol = function (segs) {
+            var segsByCol = [];
+            var i;
+            for (i = 0; i < this.colCnt; i++) {
+                segsByCol.push([]);
+            }
+            for (i = 0; i < segs.length; i++) {
+                segsByCol[segs[i].col].push(segs[i]);
+            }
+            return segsByCol;
+        };
+        // Given segments grouped by column, insert the segments' elements into a parallel array of container
+        // elements, each living within a column.
+        TimeGrid.prototype.attachSegsByCol = function (segsByCol, containerEls) {
+            var col;
+            var segs;
+            var i;
+            for (col = 0; col < this.colCnt; col++) { // iterate each column grouping
+                segs = segsByCol[col];
+                for (i = 0; i < segs.length; i++) {
+                    containerEls[col].appendChild(segs[i].el);
+                }
+            }
+        };
+        /* Now Indicator
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype.getNowIndicatorUnit = function () {
+            return 'minute'; // will refresh on the minute
+        };
+        TimeGrid.prototype.renderNowIndicator = function (segs, date) {
+            // HACK: if date columns not ready for some reason (scheduler)
+            if (!this.colContainerEls) {
+                return;
+            }
+            var top = this.computeDateTop(date);
+            var nodes = [];
+            var i;
+            // render lines within the columns
+            for (i = 0; i < segs.length; i++) {
+                var lineEl = core.createElement('div', { className: 'fc-now-indicator fc-now-indicator-line' });
+                lineEl.style.top = top + 'px';
+                this.colContainerEls[segs[i].col].appendChild(lineEl);
+                nodes.push(lineEl);
+            }
+            // render an arrow over the axis
+            if (segs.length > 0) { // is the current time in view?
+                var arrowEl = core.createElement('div', { className: 'fc-now-indicator fc-now-indicator-arrow' });
+                arrowEl.style.top = top + 'px';
+                this.contentSkeletonEl.appendChild(arrowEl);
+                nodes.push(arrowEl);
+            }
+            this.nowIndicatorEls = nodes;
+        };
+        TimeGrid.prototype.unrenderNowIndicator = function () {
+            if (this.nowIndicatorEls) {
+                this.nowIndicatorEls.forEach(core.removeElement);
+                this.nowIndicatorEls = null;
+            }
+        };
+        /* Coordinates
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype.getTotalSlatHeight = function () {
+            return this.slatContainerEl.getBoundingClientRect().height;
+        };
+        // Computes the top coordinate, relative to the bounds of the grid, of the given date.
+        // A `startOfDayDate` must be given for avoiding ambiguity over how to treat midnight.
+        TimeGrid.prototype.computeDateTop = function (when, startOfDayDate) {
+            if (!startOfDayDate) {
+                startOfDayDate = core.startOfDay(when);
+            }
+            return this.computeTimeTop(core.createDuration(when.valueOf() - startOfDayDate.valueOf()));
+        };
+        // Computes the top coordinate, relative to the bounds of the grid, of the given time (a Duration).
+        TimeGrid.prototype.computeTimeTop = function (duration) {
+            var len = this.slatEls.length;
+            var dateProfile = this.props.dateProfile;
+            var slatCoverage = (duration.milliseconds - core.asRoughMs(dateProfile.minTime)) / core.asRoughMs(this.slotDuration); // floating-point value of # of slots covered
+            var slatIndex;
+            var slatRemainder;
+            // compute a floating-point number for how many slats should be progressed through.
+            // from 0 to number of slats (inclusive)
+            // constrained because minTime/maxTime might be customized.
+            slatCoverage = Math.max(0, slatCoverage);
+            slatCoverage = Math.min(len, slatCoverage);
+            // an integer index of the furthest whole slat
+            // from 0 to number slats (*exclusive*, so len-1)
+            slatIndex = Math.floor(slatCoverage);
+            slatIndex = Math.min(slatIndex, len - 1);
+            // how much further through the slatIndex slat (from 0.0-1.0) must be covered in addition.
+            // could be 1.0 if slatCoverage is covering *all* the slots
+            slatRemainder = slatCoverage - slatIndex;
+            return this.slatPositions.tops[slatIndex] +
+                this.slatPositions.getHeight(slatIndex) * slatRemainder;
+        };
+        // For each segment in an array, computes and assigns its top and bottom properties
+        TimeGrid.prototype.computeSegVerticals = function (segs) {
+            var options = this.context.options;
+            var eventMinHeight = options.timeGridEventMinHeight;
+            var i;
+            var seg;
+            var dayDate;
+            for (i = 0; i < segs.length; i++) {
+                seg = segs[i];
+                dayDate = this.props.cells[seg.col].date;
+                seg.top = this.computeDateTop(seg.start, dayDate);
+                seg.bottom = Math.max(seg.top + eventMinHeight, this.computeDateTop(seg.end, dayDate));
+            }
+        };
+        // Given segments that already have their top/bottom properties computed, applies those values to
+        // the segments' elements.
+        TimeGrid.prototype.assignSegVerticals = function (segs) {
+            var i;
+            var seg;
+            for (i = 0; i < segs.length; i++) {
+                seg = segs[i];
+                core.applyStyle(seg.el, this.generateSegVerticalCss(seg));
+            }
+        };
+        // Generates an object with CSS properties for the top/bottom coordinates of a segment element
+        TimeGrid.prototype.generateSegVerticalCss = function (seg) {
+            return {
+                top: seg.top,
+                bottom: -seg.bottom // flipped because needs to be space beyond bottom edge of event container
+            };
+        };
+        /* Sizing
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype.buildPositionCaches = function () {
+            this.buildColPositions();
+            this.buildSlatPositions();
+        };
+        TimeGrid.prototype.buildColPositions = function () {
+            this.colPositions.build();
+        };
+        TimeGrid.prototype.buildSlatPositions = function () {
+            this.slatPositions.build();
+        };
+        /* Hit System
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype.positionToHit = function (positionLeft, positionTop) {
+            var dateEnv = this.context.dateEnv;
+            var _a = this, snapsPerSlot = _a.snapsPerSlot, slatPositions = _a.slatPositions, colPositions = _a.colPositions;
+            var colIndex = colPositions.leftToIndex(positionLeft);
+            var slatIndex = slatPositions.topToIndex(positionTop);
+            if (colIndex != null && slatIndex != null) {
+                var slatTop = slatPositions.tops[slatIndex];
+                var slatHeight = slatPositions.getHeight(slatIndex);
+                var partial = (positionTop - slatTop) / slatHeight; // floating point number between 0 and 1
+                var localSnapIndex = Math.floor(partial * snapsPerSlot); // the snap # relative to start of slat
+                var snapIndex = slatIndex * snapsPerSlot + localSnapIndex;
+                var dayDate = this.props.cells[colIndex].date;
+                var time = core.addDurations(this.props.dateProfile.minTime, core.multiplyDuration(this.snapDuration, snapIndex));
+                var start = dateEnv.add(dayDate, time);
+                var end = dateEnv.add(start, this.snapDuration);
+                return {
+                    col: colIndex,
+                    dateSpan: {
+                        range: { start: start, end: end },
+                        allDay: false
+                    },
+                    dayEl: this.colEls[colIndex],
+                    relativeRect: {
+                        left: colPositions.lefts[colIndex],
+                        right: colPositions.rights[colIndex],
+                        top: slatTop,
+                        bottom: slatTop + slatHeight
+                    }
+                };
+            }
+        };
+        /* Event Drag Visualization
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype._renderEventDrag = function (state) {
+            if (state) {
+                this.eventRenderer.hideByHash(state.affectedInstances);
+                if (state.isEvent) {
+                    this.mirrorRenderer.renderSegs(this.context, state.segs, { isDragging: true, sourceSeg: state.sourceSeg });
+                }
+                else {
+                    this.fillRenderer.renderSegs('highlight', this.context, state.segs);
+                }
+            }
+        };
+        TimeGrid.prototype._unrenderEventDrag = function (state) {
+            if (state) {
+                this.eventRenderer.showByHash(state.affectedInstances);
+                if (state.isEvent) {
+                    this.mirrorRenderer.unrender(this.context, state.segs, { isDragging: true, sourceSeg: state.sourceSeg });
+                }
+                else {
+                    this.fillRenderer.unrender('highlight', this.context);
+                }
+            }
+        };
+        /* Event Resize Visualization
+        ------------------------------------------------------------------------------------------------------------------*/
+        TimeGrid.prototype._renderEventResize = function (state) {
+            if (state) {
+                this.eventRenderer.hideByHash(state.affectedInstances);
+                this.mirrorRenderer.renderSegs(this.context, state.segs, { isResizing: true, sourceSeg: state.sourceSeg });
+            }
+        };
+        TimeGrid.prototype._unrenderEventResize = function (state) {
+            if (state) {
+                this.eventRenderer.showByHash(state.affectedInstances);
+                this.mirrorRenderer.unrender(this.context, state.segs, { isResizing: true, sourceSeg: state.sourceSeg });
+            }
+        };
+        /* Selection
+        ------------------------------------------------------------------------------------------------------------------*/
+        // Renders a visual indication of a selection. Overrides the default, which was to simply render a highlight.
+        TimeGrid.prototype._renderDateSelection = function (segs) {
+            if (segs) {
+                if (this.context.options.selectMirror) {
+                    this.mirrorRenderer.renderSegs(this.context, segs, { isSelecting: true });
+                }
+                else {
+                    this.fillRenderer.renderSegs('highlight', this.context, segs);
+                }
+            }
+        };
+        TimeGrid.prototype._unrenderDateSelection = function (segs) {
+            if (segs) {
+                if (this.context.options.selectMirror) {
+                    this.mirrorRenderer.unrender(this.context, segs, { isSelecting: true });
+                }
+                else {
+                    this.fillRenderer.unrender('highlight', this.context);
+                }
+            }
+        };
+        return TimeGrid;
+    }(core.DateComponent));
+
+    var AllDaySplitter = /** @class */ (function (_super) {
+        __extends(AllDaySplitter, _super);
+        function AllDaySplitter() {
+            return _super !== null && _super.apply(this, arguments) || this;
+        }
+        AllDaySplitter.prototype.getKeyInfo = function () {
+            return {
+                allDay: {},
+                timed: {}
+            };
+        };
+        AllDaySplitter.prototype.getKeysForDateSpan = function (dateSpan) {
+            if (dateSpan.allDay) {
+                return ['allDay'];
+            }
+            else {
+                return ['timed'];
+            }
+        };
+        AllDaySplitter.prototype.getKeysForEventDef = function (eventDef) {
+            if (!eventDef.allDay) {
+                return ['timed'];
+            }
+            else if (core.hasBgRendering(eventDef)) {
+                return ['timed', 'allDay'];
+            }
+            else {
+                return ['allDay'];
+            }
+        };
+        return AllDaySplitter;
+    }(core.Splitter));
+
+    var TIMEGRID_ALL_DAY_EVENT_LIMIT = 5;
+    var WEEK_HEADER_FORMAT = core.createFormatter({ week: 'short' });
+    /* An abstract class for all timegrid-related views. Displays one more columns with time slots running vertically.
+    ----------------------------------------------------------------------------------------------------------------------*/
+    // Is a manager for the TimeGrid subcomponent and possibly the DayGrid subcomponent (if allDaySlot is on).
+    // Responsible for managing width/height.
+    var AbstractTimeGridView = /** @class */ (function (_super) {
+        __extends(AbstractTimeGridView, _super);
+        function AbstractTimeGridView() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.splitter = new AllDaySplitter();
+            _this.renderSkeleton = core.memoizeRendering(_this._renderSkeleton, _this._unrenderSkeleton);
+            /* Header Render Methods
+            ------------------------------------------------------------------------------------------------------------------*/
+            // Generates the HTML that will go before the day-of week header cells
+            _this.renderHeadIntroHtml = function () {
+                var _a = _this.context, theme = _a.theme, dateEnv = _a.dateEnv, options = _a.options;
+                var range = _this.props.dateProfile.renderRange;
+                var dayCnt = core.diffDays(range.start, range.end);
+                var weekText;
+                if (options.weekNumbers) {
+                    weekText = dateEnv.format(range.start, WEEK_HEADER_FORMAT);
+                    return '' +
+                        '<th class="fc-axis fc-week-number ' + theme.getClass('widgetHeader') + '" ' + _this.axisStyleAttr() + '>' +
+                        core.buildGotoAnchorHtml(// aside from link, important for matchCellWidths
+                        options, dateEnv, { date: range.start, type: 'week', forceOff: dayCnt > 1 }, core.htmlEscape(weekText) // inner HTML
+                        ) +
+                        '</th>';
+                }
+                else {
+                    return '<th class="fc-axis ' + theme.getClass('widgetHeader') + '" ' + _this.axisStyleAttr() + '></th>';
+                }
+            };
+            /* Time Grid Render Methods
+            ------------------------------------------------------------------------------------------------------------------*/
+            // Generates the HTML that goes before the bg of the TimeGrid slot area. Long vertical column.
+            _this.renderTimeGridBgIntroHtml = function () {
+                var theme = _this.context.theme;
+                return '<td class="fc-axis ' + theme.getClass('widgetContent') + '" ' + _this.axisStyleAttr() + '></td>';
+            };
+            // Generates the HTML that goes before all other types of cells.
+            // Affects content-skeleton, mirror-skeleton, highlight-skeleton for both the time-grid and day-grid.
+            _this.renderTimeGridIntroHtml = function () {
+                return '<td class="fc-axis" ' + _this.axisStyleAttr() + '></td>';
+            };
+            /* Day Grid Render Methods
+            ------------------------------------------------------------------------------------------------------------------*/
+            // Generates the HTML that goes before the all-day cells
+            _this.renderDayGridBgIntroHtml = function () {
+                var _a = _this.context, theme = _a.theme, options = _a.options;
+                return '' +
+                    '<td class="fc-axis ' + theme.getClass('widgetContent') + '" ' + _this.axisStyleAttr() + '>' +
+                    '<span>' + // needed for matchCellWidths
+                    core.getAllDayHtml(options) +
+                    '</span>' +
+                    '</td>';
+            };
+            // Generates the HTML that goes before all other types of cells.
+            // Affects content-skeleton, mirror-skeleton, highlight-skeleton for both the time-grid and day-grid.
+            _this.renderDayGridIntroHtml = function () {
+                return '<td class="fc-axis" ' + _this.axisStyleAttr() + '></td>';
+            };
+            return _this;
+        }
+        AbstractTimeGridView.prototype.render = function (props, context) {
+            _super.prototype.render.call(this, props, context);
+            this.renderSkeleton(context);
+        };
+        AbstractTimeGridView.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            this.renderSkeleton.unrender();
+        };
+        AbstractTimeGridView.prototype._renderSkeleton = function (context) {
+            this.el.classList.add('fc-timeGrid-view');
+            this.el.innerHTML = this.renderSkeletonHtml();
+            this.scroller = new core.ScrollComponent('hidden', // overflow x
+            'auto' // overflow y
+            );
+            var timeGridWrapEl = this.scroller.el;
+            this.el.querySelector('.fc-body > tr > td').appendChild(timeGridWrapEl);
+            timeGridWrapEl.classList.add('fc-time-grid-container');
+            var timeGridEl = core.createElement('div', { className: 'fc-time-grid' });
+            timeGridWrapEl.appendChild(timeGridEl);
+            this.timeGrid = new TimeGrid(timeGridEl, {
+                renderBgIntroHtml: this.renderTimeGridBgIntroHtml,
+                renderIntroHtml: this.renderTimeGridIntroHtml
+            });
+            if (context.options.allDaySlot) { // should we display the "all-day" area?
+                this.dayGrid = new daygrid.DayGrid(// the all-day subcomponent of this view
+                this.el.querySelector('.fc-day-grid'), {
+                    renderNumberIntroHtml: this.renderDayGridIntroHtml,
+                    renderBgIntroHtml: this.renderDayGridBgIntroHtml,
+                    renderIntroHtml: this.renderDayGridIntroHtml,
+                    colWeekNumbersVisible: false,
+                    cellWeekNumbersVisible: false
+                });
+                // have the day-grid extend it's coordinate area over the <hr> dividing the two grids
+                var dividerEl = this.el.querySelector('.fc-divider');
+                this.dayGrid.bottomCoordPadding = dividerEl.getBoundingClientRect().height;
+            }
+        };
+        AbstractTimeGridView.prototype._unrenderSkeleton = function () {
+            this.el.classList.remove('fc-timeGrid-view');
+            this.timeGrid.destroy();
+            if (this.dayGrid) {
+                this.dayGrid.destroy();
+            }
+            this.scroller.destroy();
+        };
+        /* Rendering
+        ------------------------------------------------------------------------------------------------------------------*/
+        // Builds the HTML skeleton for the view.
+        // The day-grid and time-grid components will render inside containers defined by this HTML.
+        AbstractTimeGridView.prototype.renderSkeletonHtml = function () {
+            var _a = this.context, theme = _a.theme, options = _a.options;
+            return '' +
+                '<table class="' + theme.getClass('tableGrid') + '">' +
+                (options.columnHeader ?
+                    '<thead class="fc-head">' +
+                        '<tr>' +
+                        '<td class="fc-head-container ' + theme.getClass('widgetHeader') + '">&nbsp;</td>' +
+                        '</tr>' +
+                        '</thead>' :
+                    '') +
+                '<tbody class="fc-body">' +
+                '<tr>' +
+                '<td class="' + theme.getClass('widgetContent') + '">' +
+                (options.allDaySlot ?
+                    '<div class="fc-day-grid"></div>' +
+                        '<hr class="fc-divider ' + theme.getClass('widgetHeader') + '" />' :
+                    '') +
+                '</td>' +
+                '</tr>' +
+                '</tbody>' +
+                '</table>';
+        };
+        /* Now Indicator
+        ------------------------------------------------------------------------------------------------------------------*/
+        AbstractTimeGridView.prototype.getNowIndicatorUnit = function () {
+            return this.timeGrid.getNowIndicatorUnit();
+        };
+        // subclasses should implement
+        // renderNowIndicator(date: DateMarker) {
+        // }
+        AbstractTimeGridView.prototype.unrenderNowIndicator = function () {
+            this.timeGrid.unrenderNowIndicator();
+        };
+        /* Dimensions
+        ------------------------------------------------------------------------------------------------------------------*/
+        AbstractTimeGridView.prototype.updateSize = function (isResize, viewHeight, isAuto) {
+            _super.prototype.updateSize.call(this, isResize, viewHeight, isAuto); // will call updateBaseSize. important that executes first
+            this.timeGrid.updateSize(isResize);
+            if (this.dayGrid) {
+                this.dayGrid.updateSize(isResize);
+            }
+        };
+        // Adjusts the vertical dimensions of the view to the specified values
+        AbstractTimeGridView.prototype.updateBaseSize = function (isResize, viewHeight, isAuto) {
+            var _this = this;
+            var eventLimit;
+            var scrollerHeight;
+            var scrollbarWidths;
+            // make all axis cells line up
+            this.axisWidth = core.matchCellWidths(core.findElements(this.el, '.fc-axis'));
+            // hack to give the view some height prior to timeGrid's columns being rendered
+            // TODO: separate setting height from scroller VS timeGrid.
+            if (!this.timeGrid.colEls) {
+                if (!isAuto) {
+                    scrollerHeight = this.computeScrollerHeight(viewHeight);
+                    this.scroller.setHeight(scrollerHeight);
+                }
+                return;
+            }
+            // set of fake row elements that must compensate when scroller has scrollbars
+            var noScrollRowEls = core.findElements(this.el, '.fc-row').filter(function (node) {
+                return !_this.scroller.el.contains(node);
+            });
+            // reset all dimensions back to the original state
+            this.timeGrid.bottomRuleEl.style.display = 'none'; // will be shown later if this <hr> is necessary
+            this.scroller.clear(); // sets height to 'auto' and clears overflow
+            noScrollRowEls.forEach(core.uncompensateScroll);
+            // limit number of events in the all-day area
+            if (this.dayGrid) {
+                this.dayGrid.removeSegPopover(); // kill the "more" popover if displayed
+                eventLimit = this.context.options.eventLimit;
+                if (eventLimit && typeof eventLimit !== 'number') {
+                    eventLimit = TIMEGRID_ALL_DAY_EVENT_LIMIT; // make sure "auto" goes to a real number
+                }
+                if (eventLimit) {
+                    this.dayGrid.limitRows(eventLimit);
+                }
+            }
+            if (!isAuto) { // should we force dimensions of the scroll container?
+                scrollerHeight = this.computeScrollerHeight(viewHeight);
+                this.scroller.setHeight(scrollerHeight);
+                scrollbarWidths = this.scroller.getScrollbarWidths();
+                if (scrollbarWidths.left || scrollbarWidths.right) { // using scrollbars?
+                    // make the all-day and header rows lines up
+                    noScrollRowEls.forEach(function (rowEl) {
+                        core.compensateScroll(rowEl, scrollbarWidths);
+                    });
+                    // the scrollbar compensation might have changed text flow, which might affect height, so recalculate
+                    // and reapply the desired height to the scroller.
+                    scrollerHeight = this.computeScrollerHeight(viewHeight);
+                    this.scroller.setHeight(scrollerHeight);
+                }
+                // guarantees the same scrollbar widths
+                this.scroller.lockOverflow(scrollbarWidths);
+                // if there's any space below the slats, show the horizontal rule.
+                // this won't cause any new overflow, because lockOverflow already called.
+                if (this.timeGrid.getTotalSlatHeight() < scrollerHeight) {
+                    this.timeGrid.bottomRuleEl.style.display = '';
+                }
+            }
+        };
+        // given a desired total height of the view, returns what the height of the scroller should be
+        AbstractTimeGridView.prototype.computeScrollerHeight = function (viewHeight) {
+            return viewHeight -
+                core.subtractInnerElHeight(this.el, this.scroller.el); // everything that's NOT the scroller
+        };
+        /* Scroll
+        ------------------------------------------------------------------------------------------------------------------*/
+        // Computes the initial pre-configured scroll state prior to allowing the user to change it
+        AbstractTimeGridView.prototype.computeDateScroll = function (duration) {
+            var top = this.timeGrid.computeTimeTop(duration);
+            // zoom can give weird floating-point values. rather scroll a little bit further
+            top = Math.ceil(top);
+            if (top) {
+                top++; // to overcome top border that slots beyond the first have. looks better
+            }
+            return { top: top };
+        };
+        AbstractTimeGridView.prototype.queryDateScroll = function () {
+            return { top: this.scroller.getScrollTop() };
+        };
+        AbstractTimeGridView.prototype.applyDateScroll = function (scroll) {
+            if (scroll.top !== undefined) {
+                this.scroller.setScrollTop(scroll.top);
+            }
+        };
+        // Generates an HTML attribute string for setting the width of the axis, if it is known
+        AbstractTimeGridView.prototype.axisStyleAttr = function () {
+            if (this.axisWidth != null) {
+                return 'style="width:' + this.axisWidth + 'px"';
+            }
+            return '';
+        };
+        return AbstractTimeGridView;
+    }(core.View));
+    AbstractTimeGridView.prototype.usesMinMaxTime = true; // indicates that minTime/maxTime affects rendering
+
+    var SimpleTimeGrid = /** @class */ (function (_super) {
+        __extends(SimpleTimeGrid, _super);
+        function SimpleTimeGrid(timeGrid) {
+            var _this = _super.call(this, timeGrid.el) || this;
+            _this.buildDayRanges = core.memoize(buildDayRanges);
+            _this.slicer = new TimeGridSlicer();
+            _this.timeGrid = timeGrid;
+            return _this;
+        }
+        SimpleTimeGrid.prototype.firstContext = function (context) {
+            context.calendar.registerInteractiveComponent(this, {
+                el: this.timeGrid.el
+            });
+        };
+        SimpleTimeGrid.prototype.destroy = function () {
+            _super.prototype.destroy.call(this);
+            this.context.calendar.unregisterInteractiveComponent(this);
+        };
+        SimpleTimeGrid.prototype.render = function (props, context) {
+            var dateEnv = this.context.dateEnv;
+            var dateProfile = props.dateProfile, dayTable = props.dayTable;
+            var dayRanges = this.dayRanges = this.buildDayRanges(dayTable, dateProfile, dateEnv);
+            this.timeGrid.receiveProps(__assign({}, this.slicer.sliceProps(props, dateProfile, null, context.calendar, this.timeGrid, dayRanges), { dateProfile: dateProfile, cells: dayTable.cells[0] }), context);
+        };
+        SimpleTimeGrid.prototype.renderNowIndicator = function (date) {
+            this.timeGrid.renderNowIndicator(this.slicer.sliceNowDate(date, this.timeGrid, this.dayRanges), date);
+        };
+        SimpleTimeGrid.prototype.buildPositionCaches = function () {
+            this.timeGrid.buildPositionCaches();
+        };
+        SimpleTimeGrid.prototype.queryHit = function (positionLeft, positionTop) {
+            var rawHit = this.timeGrid.positionToHit(positionLeft, positionTop);
+            if (rawHit) {
+                return {
+                    component: this.timeGrid,
+                    dateSpan: rawHit.dateSpan,
+                    dayEl: rawHit.dayEl,
+                    rect: {
+                        left: rawHit.relativeRect.left,
+                        right: rawHit.relativeRect.right,
+                        top: rawHit.relativeRect.top,
+                        bottom: rawHit.relativeRect.bottom
+                    },
+                    layer: 0
+                };
+            }
+        };
+        return SimpleTimeGrid;
+    }(core.DateComponent));
+    function buildDayRanges(dayTable, dateProfile, dateEnv) {
+        var ranges = [];
+        for (var _i = 0, _a = dayTable.headerDates; _i < _a.length; _i++) {
+            var date = _a[_i];
+            ranges.push({
+                start: dateEnv.add(date, dateProfile.minTime),
+                end: dateEnv.add(date, dateProfile.maxTime)
+            });
+        }
+        return ranges;
+    }
+    var TimeGridSlicer = /** @class */ (function (_super) {
+        __extends(TimeGridSlicer, _super);
+        function TimeGridSlicer() {
+            return _super !== null && _super.apply(this, arguments) || this;
+        }
+        TimeGridSlicer.prototype.sliceRange = function (range, dayRanges) {
+            var segs = [];
+            for (var col = 0; col < dayRanges.length; col++) {
+                var segRange = core.intersectRanges(range, dayRanges[col]);
+                if (segRange) {
+                    segs.push({
+                        start: segRange.start,
+                        end: segRange.end,
+                        isStart: segRange.start.valueOf() === range.start.valueOf(),
+                        isEnd: segRange.end.valueOf() === range.end.valueOf(),
+                        col: col
+                    });
+                }
+            }
+            return segs;
+        };
+        return TimeGridSlicer;
+    }(core.Slicer));
+
+    var TimeGridView = /** @class */ (function (_super) {
+        __extends(TimeGridView, _super);
+        function TimeGridView() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.buildDayTable = core.memoize(buildDayTable);
+            return _this;
+        }
+        TimeGridView.prototype.render = function (props, context) {
+            _super.prototype.render.call(this, props, context); // for flags for updateSize. also _renderSkeleton/_unrenderSkeleton
+            var _a = this.props, dateProfile = _a.dateProfile, dateProfileGenerator = _a.dateProfileGenerator;
+            var nextDayThreshold = context.nextDayThreshold;
+            var dayTable = this.buildDayTable(dateProfile, dateProfileGenerator);
+            var splitProps = this.splitter.splitProps(props);
+            if (this.header) {
+                this.header.receiveProps({
+                    dateProfile: dateProfile,
+                    dates: dayTable.headerDates,
+                    datesRepDistinctDays: true,
+                    renderIntroHtml: this.renderHeadIntroHtml
+                }, context);
+            }
+            this.simpleTimeGrid.receiveProps(__assign({}, splitProps['timed'], { dateProfile: dateProfile,
+                dayTable: dayTable }), context);
+            if (this.simpleDayGrid) {
+                this.simpleDayGrid.receiveProps(__assign({}, splitProps['allDay'], { dateProfile: dateProfile,
+                    dayTable: dayTable,
+                    nextDayThreshold: nextDayThreshold, isRigid: false }), context);
+            }
+            this.startNowIndicator(dateProfile, dateProfileGenerator);
+        };
+        TimeGridView.prototype._renderSkeleton = function (context) {
+            _super.prototype._renderSkeleton.call(this, context);
+            if (context.options.columnHeader) {
+                this.header = new core.DayHeader(this.el.querySelector('.fc-head-container'));
+            }
+            this.simpleTimeGrid = new SimpleTimeGrid(this.timeGrid);
+            if (this.dayGrid) {
+                this.simpleDayGrid = new daygrid.SimpleDayGrid(this.dayGrid);
+            }
+        };
+        TimeGridView.prototype._unrenderSkeleton = function () {
+            _super.prototype._unrenderSkeleton.call(this);
+            if (this.header) {
+                this.header.destroy();
+            }
+            this.simpleTimeGrid.destroy();
+            if (this.simpleDayGrid) {
+                this.simpleDayGrid.destroy();
+            }
+        };
+        TimeGridView.prototype.renderNowIndicator = function (date) {
+            this.simpleTimeGrid.renderNowIndicator(date);
+        };
+        return TimeGridView;
+    }(AbstractTimeGridView));
+    function buildDayTable(dateProfile, dateProfileGenerator) {
+        var daySeries = new core.DaySeries(dateProfile.renderRange, dateProfileGenerator);
+        return new core.DayTable(daySeries, false);
+    }
+
+    var main = core.createPlugin({
+        defaultView: 'timeGridWeek',
+        views: {
+            timeGrid: {
+                class: TimeGridView,
+                allDaySlot: true,
+                slotDuration: '00:30:00',
+                slotEventOverlap: true // a bad name. confused with overlap/constraint system
+            },
+            timeGridDay: {
+                type: 'timeGrid',
+                duration: { days: 1 }
+            },
+            timeGridWeek: {
+                type: 'timeGrid',
+                duration: { weeks: 1 }
+            }
+        }
+    });
+
+    exports.AbstractTimeGridView = AbstractTimeGridView;
+    exports.TimeGrid = TimeGrid;
+    exports.TimeGridSlicer = TimeGridSlicer;
+    exports.TimeGridView = TimeGridView;
+    exports.buildDayRanges = buildDayRanges;
+    exports.buildDayTable = buildDayTable;
+    exports.default = main;
+
+    Object.defineProperty(exports, '__esModule', { value: true });
+
+}));