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main.esm.js
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/*!
FullCalendar Interaction Plugin v4.3.0
Docs & License: https://fullcalendar.io/
(c) 2019 Adam Shaw
*/
import { config, elementClosest, EmitterMixin, applyStyle, whenTransitionDone, removeElement, ScrollController, ElementScrollController, computeInnerRect, WindowScrollController, preventSelection, preventContextMenu, allowSelection, allowContextMenu, ElementDragging, computeRect, getClippingParents, pointInsideRect, isDateSpansEqual, constrainPoint, intersectRects, getRectCenter, diffPoints, mapHash, rangeContainsRange, interactionSettingsToStore, Interaction, enableCursor, disableCursor, compareNumbers, getElSeg, getRelevantEvents, EventApi, createEmptyEventStore, applyMutationToEventStore, interactionSettingsStore, startOfDay, diffDates, createDuration, eventTupleToStore, isInteractionValid, parseDragMeta, elementMatches, parseEventDef, createEventInstance, globalDefaults, createPlugin } from '@fullcalendar/core';
/*! *****************************************************************************
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);
};
config.touchMouseIgnoreWait = 500;
var ignoreMouseDepth = 0;
var listenerCnt = 0;
var isWindowTouchMoveCancelled = false;
/*
Uses a "pointer" abstraction, which monitors UI events for both mouse and touch.
Tracks when the pointer "drags" on a certain element, meaning down+move+up.
Also, tracks if there was touch-scrolling.
Also, can prevent touch-scrolling from happening.
Also, can fire pointermove events when scrolling happens underneath, even when no real pointer movement.
emits:
- pointerdown
- pointermove
- pointerup
*/
var PointerDragging = /** @class */ (function () {
function PointerDragging(containerEl) {
var _this = this;
this.subjectEl = null;
this.downEl = null;
// options that can be directly assigned by caller
this.selector = ''; // will cause subjectEl in all emitted events to be this element
this.handleSelector = '';
this.shouldIgnoreMove = false;
this.shouldWatchScroll = true; // for simulating pointermove on scroll
// internal states
this.isDragging = false;
this.isTouchDragging = false;
this.wasTouchScroll = false;
// Mouse
// ----------------------------------------------------------------------------------------------------
this.handleMouseDown = function (ev) {
if (!_this.shouldIgnoreMouse() &&
isPrimaryMouseButton(ev) &&
_this.tryStart(ev)) {
var pev = _this.createEventFromMouse(ev, true);
_this.emitter.trigger('pointerdown', pev);
_this.initScrollWatch(pev);
if (!_this.shouldIgnoreMove) {
document.addEventListener('mousemove', _this.handleMouseMove);
}
document.addEventListener('mouseup', _this.handleMouseUp);
}
};
this.handleMouseMove = function (ev) {
var pev = _this.createEventFromMouse(ev);
_this.recordCoords(pev);
_this.emitter.trigger('pointermove', pev);
};
this.handleMouseUp = function (ev) {
document.removeEventListener('mousemove', _this.handleMouseMove);
document.removeEventListener('mouseup', _this.handleMouseUp);
_this.emitter.trigger('pointerup', _this.createEventFromMouse(ev));
_this.cleanup(); // call last so that pointerup has access to props
};
// Touch
// ----------------------------------------------------------------------------------------------------
this.handleTouchStart = function (ev) {
if (_this.tryStart(ev)) {
_this.isTouchDragging = true;
var pev = _this.createEventFromTouch(ev, true);
_this.emitter.trigger('pointerdown', pev);
_this.initScrollWatch(pev);
// unlike mouse, need to attach to target, not document
// https://stackoverflow.com/a/45760014
var target = ev.target;
if (!_this.shouldIgnoreMove) {
target.addEventListener('touchmove', _this.handleTouchMove);
}
target.addEventListener('touchend', _this.handleTouchEnd);
target.addEventListener('touchcancel', _this.handleTouchEnd); // treat it as a touch end
// attach a handler to get called when ANY scroll action happens on the page.
// this was impossible to do with normal on/off because 'scroll' doesn't bubble.
// http://stackoverflow.com/a/32954565/96342
window.addEventListener('scroll', _this.handleTouchScroll, true // useCapture
);
}
};
this.handleTouchMove = function (ev) {
var pev = _this.createEventFromTouch(ev);
_this.recordCoords(pev);
_this.emitter.trigger('pointermove', pev);
};
this.handleTouchEnd = function (ev) {
if (_this.isDragging) { // done to guard against touchend followed by touchcancel
var target = ev.target;
target.removeEventListener('touchmove', _this.handleTouchMove);
target.removeEventListener('touchend', _this.handleTouchEnd);
target.removeEventListener('touchcancel', _this.handleTouchEnd);
window.removeEventListener('scroll', _this.handleTouchScroll, true); // useCaptured=true
_this.emitter.trigger('pointerup', _this.createEventFromTouch(ev));
_this.cleanup(); // call last so that pointerup has access to props
_this.isTouchDragging = false;
startIgnoringMouse();
}
};
this.handleTouchScroll = function () {
_this.wasTouchScroll = true;
};
this.handleScroll = function (ev) {
if (!_this.shouldIgnoreMove) {
var pageX = (window.pageXOffset - _this.prevScrollX) + _this.prevPageX;
var pageY = (window.pageYOffset - _this.prevScrollY) + _this.prevPageY;
_this.emitter.trigger('pointermove', {
origEvent: ev,
isTouch: _this.isTouchDragging,
subjectEl: _this.subjectEl,
pageX: pageX,
pageY: pageY,
deltaX: pageX - _this.origPageX,
deltaY: pageY - _this.origPageY
});
}
};
this.containerEl = containerEl;
this.emitter = new EmitterMixin();
containerEl.addEventListener('mousedown', this.handleMouseDown);
containerEl.addEventListener('touchstart', this.handleTouchStart, { passive: true });
listenerCreated();
}
PointerDragging.prototype.destroy = function () {
this.containerEl.removeEventListener('mousedown', this.handleMouseDown);
this.containerEl.removeEventListener('touchstart', this.handleTouchStart, { passive: true });
listenerDestroyed();
};
PointerDragging.prototype.tryStart = function (ev) {
var subjectEl = this.querySubjectEl(ev);
var downEl = ev.target;
if (subjectEl &&
(!this.handleSelector || elementClosest(downEl, this.handleSelector))) {
this.subjectEl = subjectEl;
this.downEl = downEl;
this.isDragging = true; // do this first so cancelTouchScroll will work
this.wasTouchScroll = false;
return true;
}
return false;
};
PointerDragging.prototype.cleanup = function () {
isWindowTouchMoveCancelled = false;
this.isDragging = false;
this.subjectEl = null;
this.downEl = null;
// keep wasTouchScroll around for later access
this.destroyScrollWatch();
};
PointerDragging.prototype.querySubjectEl = function (ev) {
if (this.selector) {
return elementClosest(ev.target, this.selector);
}
else {
return this.containerEl;
}
};
PointerDragging.prototype.shouldIgnoreMouse = function () {
return ignoreMouseDepth || this.isTouchDragging;
};
// can be called by user of this class, to cancel touch-based scrolling for the current drag
PointerDragging.prototype.cancelTouchScroll = function () {
if (this.isDragging) {
isWindowTouchMoveCancelled = true;
}
};
// Scrolling that simulates pointermoves
// ----------------------------------------------------------------------------------------------------
PointerDragging.prototype.initScrollWatch = function (ev) {
if (this.shouldWatchScroll) {
this.recordCoords(ev);
window.addEventListener('scroll', this.handleScroll, true); // useCapture=true
}
};
PointerDragging.prototype.recordCoords = function (ev) {
if (this.shouldWatchScroll) {
this.prevPageX = ev.pageX;
this.prevPageY = ev.pageY;
this.prevScrollX = window.pageXOffset;
this.prevScrollY = window.pageYOffset;
}
};
PointerDragging.prototype.destroyScrollWatch = function () {
if (this.shouldWatchScroll) {
window.removeEventListener('scroll', this.handleScroll, true); // useCaptured=true
}
};
// Event Normalization
// ----------------------------------------------------------------------------------------------------
PointerDragging.prototype.createEventFromMouse = function (ev, isFirst) {
var deltaX = 0;
var deltaY = 0;
// TODO: repeat code
if (isFirst) {
this.origPageX = ev.pageX;
this.origPageY = ev.pageY;
}
else {
deltaX = ev.pageX - this.origPageX;
deltaY = ev.pageY - this.origPageY;
}
return {
origEvent: ev,
isTouch: false,
subjectEl: this.subjectEl,
pageX: ev.pageX,
pageY: ev.pageY,
deltaX: deltaX,
deltaY: deltaY
};
};
PointerDragging.prototype.createEventFromTouch = function (ev, isFirst) {
var touches = ev.touches;
var pageX;
var pageY;
var deltaX = 0;
var deltaY = 0;
// if touch coords available, prefer,
// because FF would give bad ev.pageX ev.pageY
if (touches && touches.length) {
pageX = touches[0].pageX;
pageY = touches[0].pageY;
}
else {
pageX = ev.pageX;
pageY = ev.pageY;
}
// TODO: repeat code
if (isFirst) {
this.origPageX = pageX;
this.origPageY = pageY;
}
else {
deltaX = pageX - this.origPageX;
deltaY = pageY - this.origPageY;
}
return {
origEvent: ev,
isTouch: true,
subjectEl: this.subjectEl,
pageX: pageX,
pageY: pageY,
deltaX: deltaX,
deltaY: deltaY
};
};
return PointerDragging;
}());
// Returns a boolean whether this was a left mouse click and no ctrl key (which means right click on Mac)
function isPrimaryMouseButton(ev) {
return ev.button === 0 && !ev.ctrlKey;
}
// Ignoring fake mouse events generated by touch
// ----------------------------------------------------------------------------------------------------
function startIgnoringMouse() {
ignoreMouseDepth++;
setTimeout(function () {
ignoreMouseDepth--;
}, config.touchMouseIgnoreWait);
}
// We want to attach touchmove as early as possible for Safari
// ----------------------------------------------------------------------------------------------------
function listenerCreated() {
if (!(listenerCnt++)) {
window.addEventListener('touchmove', onWindowTouchMove, { passive: false });
}
}
function listenerDestroyed() {
if (!(--listenerCnt)) {
window.removeEventListener('touchmove', onWindowTouchMove, { passive: false });
}
}
function onWindowTouchMove(ev) {
if (isWindowTouchMoveCancelled) {
ev.preventDefault();
}
}
/*
An effect in which an element follows the movement of a pointer across the screen.
The moving element is a clone of some other element.
Must call start + handleMove + stop.
*/
var ElementMirror = /** @class */ (function () {
function ElementMirror() {
this.isVisible = false; // must be explicitly enabled
this.sourceEl = null;
this.mirrorEl = null;
this.sourceElRect = null; // screen coords relative to viewport
// options that can be set directly by caller
this.parentNode = document.body;
this.zIndex = 9999;
this.revertDuration = 0;
}
ElementMirror.prototype.start = function (sourceEl, pageX, pageY) {
this.sourceEl = sourceEl;
this.sourceElRect = this.sourceEl.getBoundingClientRect();
this.origScreenX = pageX - window.pageXOffset;
this.origScreenY = pageY - window.pageYOffset;
this.deltaX = 0;
this.deltaY = 0;
this.updateElPosition();
};
ElementMirror.prototype.handleMove = function (pageX, pageY) {
this.deltaX = (pageX - window.pageXOffset) - this.origScreenX;
this.deltaY = (pageY - window.pageYOffset) - this.origScreenY;
this.updateElPosition();
};
// can be called before start
ElementMirror.prototype.setIsVisible = function (bool) {
if (bool) {
if (!this.isVisible) {
if (this.mirrorEl) {
this.mirrorEl.style.display = '';
}
this.isVisible = bool; // needs to happen before updateElPosition
this.updateElPosition(); // because was not updating the position while invisible
}
}
else {
if (this.isVisible) {
if (this.mirrorEl) {
this.mirrorEl.style.display = 'none';
}
this.isVisible = bool;
}
}
};
// always async
ElementMirror.prototype.stop = function (needsRevertAnimation, callback) {
var _this = this;
var done = function () {
_this.cleanup();
callback();
};
if (needsRevertAnimation &&
this.mirrorEl &&
this.isVisible &&
this.revertDuration && // if 0, transition won't work
(this.deltaX || this.deltaY) // if same coords, transition won't work
) {
this.doRevertAnimation(done, this.revertDuration);
}
else {
setTimeout(done, 0);
}
};
ElementMirror.prototype.doRevertAnimation = function (callback, revertDuration) {
var mirrorEl = this.mirrorEl;
var finalSourceElRect = this.sourceEl.getBoundingClientRect(); // because autoscrolling might have happened
mirrorEl.style.transition =
'top ' + revertDuration + 'ms,' +
'left ' + revertDuration + 'ms';
applyStyle(mirrorEl, {
left: finalSourceElRect.left,
top: finalSourceElRect.top
});
whenTransitionDone(mirrorEl, function () {
mirrorEl.style.transition = '';
callback();
});
};
ElementMirror.prototype.cleanup = function () {
if (this.mirrorEl) {
removeElement(this.mirrorEl);
this.mirrorEl = null;
}
this.sourceEl = null;
};
ElementMirror.prototype.updateElPosition = function () {
if (this.sourceEl && this.isVisible) {
applyStyle(this.getMirrorEl(), {
left: this.sourceElRect.left + this.deltaX,
top: this.sourceElRect.top + this.deltaY
});
}
};
ElementMirror.prototype.getMirrorEl = function () {
var sourceElRect = this.sourceElRect;
var mirrorEl = this.mirrorEl;
if (!mirrorEl) {
mirrorEl = this.mirrorEl = this.sourceEl.cloneNode(true); // cloneChildren=true
// we don't want long taps or any mouse interaction causing selection/menus.
// would use preventSelection(), but that prevents selectstart, causing problems.
mirrorEl.classList.add('fc-unselectable');
mirrorEl.classList.add('fc-dragging');
applyStyle(mirrorEl, {
position: 'fixed',
zIndex: this.zIndex,
visibility: '',
boxSizing: 'border-box',
width: sourceElRect.right - sourceElRect.left,
height: sourceElRect.bottom - sourceElRect.top,
right: 'auto',
bottom: 'auto',
margin: 0
});
this.parentNode.appendChild(mirrorEl);
}
return mirrorEl;
};
return ElementMirror;
}());
/*
Is a cache for a given element's scroll information (all the info that ScrollController stores)
in addition the "client rectangle" of the element.. the area within the scrollbars.
The cache can be in one of two modes:
- doesListening:false - ignores when the container is scrolled by someone else
- doesListening:true - watch for scrolling and update the cache
*/
var ScrollGeomCache = /** @class */ (function (_super) {
__extends(ScrollGeomCache, _super);
function ScrollGeomCache(scrollController, doesListening) {
var _this = _super.call(this) || this;
_this.handleScroll = function () {
_this.scrollTop = _this.scrollController.getScrollTop();
_this.scrollLeft = _this.scrollController.getScrollLeft();
_this.handleScrollChange();
};
_this.scrollController = scrollController;
_this.doesListening = doesListening;
_this.scrollTop = _this.origScrollTop = scrollController.getScrollTop();
_this.scrollLeft = _this.origScrollLeft = scrollController.getScrollLeft();
_this.scrollWidth = scrollController.getScrollWidth();
_this.scrollHeight = scrollController.getScrollHeight();
_this.clientWidth = scrollController.getClientWidth();
_this.clientHeight = scrollController.getClientHeight();
_this.clientRect = _this.computeClientRect(); // do last in case it needs cached values
if (_this.doesListening) {
_this.getEventTarget().addEventListener('scroll', _this.handleScroll);
}
return _this;
}
ScrollGeomCache.prototype.destroy = function () {
if (this.doesListening) {
this.getEventTarget().removeEventListener('scroll', this.handleScroll);
}
};
ScrollGeomCache.prototype.getScrollTop = function () {
return this.scrollTop;
};
ScrollGeomCache.prototype.getScrollLeft = function () {
return this.scrollLeft;
};
ScrollGeomCache.prototype.setScrollTop = function (top) {
this.scrollController.setScrollTop(top);
if (!this.doesListening) {
// we are not relying on the element to normalize out-of-bounds scroll values
// so we need to sanitize ourselves
this.scrollTop = Math.max(Math.min(top, this.getMaxScrollTop()), 0);
this.handleScrollChange();
}
};
ScrollGeomCache.prototype.setScrollLeft = function (top) {
this.scrollController.setScrollLeft(top);
if (!this.doesListening) {
// we are not relying on the element to normalize out-of-bounds scroll values
// so we need to sanitize ourselves
this.scrollLeft = Math.max(Math.min(top, this.getMaxScrollLeft()), 0);
this.handleScrollChange();
}
};
ScrollGeomCache.prototype.getClientWidth = function () {
return this.clientWidth;
};
ScrollGeomCache.prototype.getClientHeight = function () {
return this.clientHeight;
};
ScrollGeomCache.prototype.getScrollWidth = function () {
return this.scrollWidth;
};
ScrollGeomCache.prototype.getScrollHeight = function () {
return this.scrollHeight;
};
ScrollGeomCache.prototype.handleScrollChange = function () {
};
return ScrollGeomCache;
}(ScrollController));
var ElementScrollGeomCache = /** @class */ (function (_super) {
__extends(ElementScrollGeomCache, _super);
function ElementScrollGeomCache(el, doesListening) {
return _super.call(this, new ElementScrollController(el), doesListening) || this;
}
ElementScrollGeomCache.prototype.getEventTarget = function () {
return this.scrollController.el;
};
ElementScrollGeomCache.prototype.computeClientRect = function () {
return computeInnerRect(this.scrollController.el);
};
return ElementScrollGeomCache;
}(ScrollGeomCache));
var WindowScrollGeomCache = /** @class */ (function (_super) {
__extends(WindowScrollGeomCache, _super);
function WindowScrollGeomCache(doesListening) {
return _super.call(this, new WindowScrollController(), doesListening) || this;
}
WindowScrollGeomCache.prototype.getEventTarget = function () {
return window;
};
WindowScrollGeomCache.prototype.computeClientRect = function () {
return {
left: this.scrollLeft,
right: this.scrollLeft + this.clientWidth,
top: this.scrollTop,
bottom: this.scrollTop + this.clientHeight
};
};
// the window is the only scroll object that changes it's rectangle relative
// to the document's topleft as it scrolls
WindowScrollGeomCache.prototype.handleScrollChange = function () {
this.clientRect = this.computeClientRect();
};
return WindowScrollGeomCache;
}(ScrollGeomCache));
// If available we are using native "performance" API instead of "Date"
// Read more about it on MDN:
// https://developer.mozilla.org/en-US/docs/Web/API/Performance
var getTime = typeof performance === 'function' ? performance.now : Date.now;
/*
For a pointer interaction, automatically scrolls certain scroll containers when the pointer
approaches the edge.
The caller must call start + handleMove + stop.
*/
var AutoScroller = /** @class */ (function () {
function AutoScroller() {
var _this = this;
// options that can be set by caller
this.isEnabled = true;
this.scrollQuery = [window, '.fc-scroller'];
this.edgeThreshold = 50; // pixels
this.maxVelocity = 300; // pixels per second
// internal state
this.pointerScreenX = null;
this.pointerScreenY = null;
this.isAnimating = false;
this.scrollCaches = null;
// protect against the initial pointerdown being too close to an edge and starting the scroll
this.everMovedUp = false;
this.everMovedDown = false;
this.everMovedLeft = false;
this.everMovedRight = false;
this.animate = function () {
if (_this.isAnimating) { // wasn't cancelled between animation calls
var edge = _this.computeBestEdge(_this.pointerScreenX + window.pageXOffset, _this.pointerScreenY + window.pageYOffset);
if (edge) {
var now = getTime();
_this.handleSide(edge, (now - _this.msSinceRequest) / 1000);
_this.requestAnimation(now);
}
else {
_this.isAnimating = false; // will stop animation
}
}
};
}
AutoScroller.prototype.start = function (pageX, pageY) {
if (this.isEnabled) {
this.scrollCaches = this.buildCaches();
this.pointerScreenX = null;
this.pointerScreenY = null;
this.everMovedUp = false;
this.everMovedDown = false;
this.everMovedLeft = false;
this.everMovedRight = false;
this.handleMove(pageX, pageY);
}
};
AutoScroller.prototype.handleMove = function (pageX, pageY) {
if (this.isEnabled) {
var pointerScreenX = pageX - window.pageXOffset;
var pointerScreenY = pageY - window.pageYOffset;
var yDelta = this.pointerScreenY === null ? 0 : pointerScreenY - this.pointerScreenY;
var xDelta = this.pointerScreenX === null ? 0 : pointerScreenX - this.pointerScreenX;
if (yDelta < 0) {
this.everMovedUp = true;
}
else if (yDelta > 0) {
this.everMovedDown = true;
}
if (xDelta < 0) {
this.everMovedLeft = true;
}
else if (xDelta > 0) {
this.everMovedRight = true;
}
this.pointerScreenX = pointerScreenX;
this.pointerScreenY = pointerScreenY;
if (!this.isAnimating) {
this.isAnimating = true;
this.requestAnimation(getTime());
}
}
};
AutoScroller.prototype.stop = function () {
if (this.isEnabled) {
this.isAnimating = false; // will stop animation
for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
var scrollCache = _a[_i];
scrollCache.destroy();
}
this.scrollCaches = null;
}
};
AutoScroller.prototype.requestAnimation = function (now) {
this.msSinceRequest = now;
requestAnimationFrame(this.animate);
};
AutoScroller.prototype.handleSide = function (edge, seconds) {
var scrollCache = edge.scrollCache;
var edgeThreshold = this.edgeThreshold;
var invDistance = edgeThreshold - edge.distance;
var velocity = // the closer to the edge, the faster we scroll
(invDistance * invDistance) / (edgeThreshold * edgeThreshold) * // quadratic
this.maxVelocity * seconds;
var sign = 1;
switch (edge.name) {
case 'left':
sign = -1;
// falls through
case 'right':
scrollCache.setScrollLeft(scrollCache.getScrollLeft() + velocity * sign);
break;
case 'top':
sign = -1;
// falls through
case 'bottom':
scrollCache.setScrollTop(scrollCache.getScrollTop() + velocity * sign);
break;
}
};
// left/top are relative to document topleft
AutoScroller.prototype.computeBestEdge = function (left, top) {
var edgeThreshold = this.edgeThreshold;
var bestSide = null;
for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
var scrollCache = _a[_i];
var rect = scrollCache.clientRect;
var leftDist = left - rect.left;
var rightDist = rect.right - left;
var topDist = top - rect.top;
var bottomDist = rect.bottom - top;
// completely within the rect?
if (leftDist >= 0 && rightDist >= 0 && topDist >= 0 && bottomDist >= 0) {
if (topDist <= edgeThreshold && this.everMovedUp && scrollCache.canScrollUp() &&
(!bestSide || bestSide.distance > topDist)) {
bestSide = { scrollCache: scrollCache, name: 'top', distance: topDist };
}
if (bottomDist <= edgeThreshold && this.everMovedDown && scrollCache.canScrollDown() &&
(!bestSide || bestSide.distance > bottomDist)) {
bestSide = { scrollCache: scrollCache, name: 'bottom', distance: bottomDist };
}
if (leftDist <= edgeThreshold && this.everMovedLeft && scrollCache.canScrollLeft() &&
(!bestSide || bestSide.distance > leftDist)) {
bestSide = { scrollCache: scrollCache, name: 'left', distance: leftDist };
}
if (rightDist <= edgeThreshold && this.everMovedRight && scrollCache.canScrollRight() &&
(!bestSide || bestSide.distance > rightDist)) {
bestSide = { scrollCache: scrollCache, name: 'right', distance: rightDist };
}
}
}
return bestSide;
};
AutoScroller.prototype.buildCaches = function () {
return this.queryScrollEls().map(function (el) {
if (el === window) {
return new WindowScrollGeomCache(false); // false = don't listen to user-generated scrolls
}
else {
return new ElementScrollGeomCache(el, false); // false = don't listen to user-generated scrolls
}
});
};
AutoScroller.prototype.queryScrollEls = function () {
var els = [];
for (var _i = 0, _a = this.scrollQuery; _i < _a.length; _i++) {
var query = _a[_i];
if (typeof query === 'object') {
els.push(query);
}
else {
els.push.apply(els, Array.prototype.slice.call(document.querySelectorAll(query)));
}
}
return els;
};
return AutoScroller;
}());
/*
Monitors dragging on an element. Has a number of high-level features:
- minimum distance required before dragging
- minimum wait time ("delay") before dragging
- a mirror element that follows the pointer
*/
var FeaturefulElementDragging = /** @class */ (function (_super) {
__extends(FeaturefulElementDragging, _super);
function FeaturefulElementDragging(containerEl) {
var _this = _super.call(this, containerEl) || this;
// options that can be directly set by caller
// the caller can also set the PointerDragging's options as well
_this.delay = null;
_this.minDistance = 0;
_this.touchScrollAllowed = true; // prevents drag from starting and blocks scrolling during drag
_this.mirrorNeedsRevert = false;
_this.isInteracting = false; // is the user validly moving the pointer? lasts until pointerup
_this.isDragging = false; // is it INTENTFULLY dragging? lasts until after revert animation
_this.isDelayEnded = false;
_this.isDistanceSurpassed = false;
_this.delayTimeoutId = null;
_this.onPointerDown = function (ev) {
if (!_this.isDragging) { // so new drag doesn't happen while revert animation is going
_this.isInteracting = true;
_this.isDelayEnded = false;
_this.isDistanceSurpassed = false;
preventSelection(document.body);
preventContextMenu(document.body);
// prevent links from being visited if there's an eventual drag.
// also prevents selection in older browsers (maybe?).
// not necessary for touch, besides, browser would complain about passiveness.
if (!ev.isTouch) {
ev.origEvent.preventDefault();
}
_this.emitter.trigger('pointerdown', ev);
if (!_this.pointer.shouldIgnoreMove) {
// actions related to initiating dragstart+dragmove+dragend...
_this.mirror.setIsVisible(false); // reset. caller must set-visible
_this.mirror.start(ev.subjectEl, ev.pageX, ev.pageY); // must happen on first pointer down
_this.startDelay(ev);
if (!_this.minDistance) {
_this.handleDistanceSurpassed(ev);
}
}
}
};
_this.onPointerMove = function (ev) {
if (_this.isInteracting) { // if false, still waiting for previous drag's revert
_this.emitter.trigger('pointermove', ev);
if (!_this.isDistanceSurpassed) {
var minDistance = _this.minDistance;
var distanceSq = void 0; // current distance from the origin, squared
var deltaX = ev.deltaX, deltaY = ev.deltaY;
distanceSq = deltaX * deltaX + deltaY * deltaY;
if (distanceSq >= minDistance * minDistance) { // use pythagorean theorem
_this.handleDistanceSurpassed(ev);
}
}
if (_this.isDragging) {
// a real pointer move? (not one simulated by scrolling)
if (ev.origEvent.type !== 'scroll') {
_this.mirror.handleMove(ev.pageX, ev.pageY);
_this.autoScroller.handleMove(ev.pageX, ev.pageY);
}
_this.emitter.trigger('dragmove', ev);
}
}
};
_this.onPointerUp = function (ev) {
if (_this.isInteracting) { // if false, still waiting for previous drag's revert
_this.isInteracting = false;
allowSelection(document.body);
allowContextMenu(document.body);
_this.emitter.trigger('pointerup', ev); // can potentially set mirrorNeedsRevert
if (_this.isDragging) {
_this.autoScroller.stop();
_this.tryStopDrag(ev); // which will stop the mirror
}
if (_this.delayTimeoutId) {
clearTimeout(_this.delayTimeoutId);
_this.delayTimeoutId = null;
}
}
};
var pointer = _this.pointer = new PointerDragging(containerEl);
pointer.emitter.on('pointerdown', _this.onPointerDown);
pointer.emitter.on('pointermove', _this.onPointerMove);
pointer.emitter.on('pointerup', _this.onPointerUp);
_this.mirror = new ElementMirror();
_this.autoScroller = new AutoScroller();
return _this;
}
FeaturefulElementDragging.prototype.destroy = function () {
this.pointer.destroy();
};
FeaturefulElementDragging.prototype.startDelay = function (ev) {
var _this = this;
if (typeof this.delay === 'number') {
this.delayTimeoutId = setTimeout(function () {
_this.delayTimeoutId = null;
_this.handleDelayEnd(ev);
}, this.delay); // not assignable to number!
}
else {
this.handleDelayEnd(ev);
}
};
FeaturefulElementDragging.prototype.handleDelayEnd = function (ev) {
this.isDelayEnded = true;
this.tryStartDrag(ev);
};
FeaturefulElementDragging.prototype.handleDistanceSurpassed = function (ev) {
this.isDistanceSurpassed = true;
this.tryStartDrag(ev);
};
FeaturefulElementDragging.prototype.tryStartDrag = function (ev) {
if (this.isDelayEnded && this.isDistanceSurpassed) {
if (!this.pointer.wasTouchScroll || this.touchScrollAllowed) {
this.isDragging = true;
this.mirrorNeedsRevert = false;
this.autoScroller.start(ev.pageX, ev.pageY);
this.emitter.trigger('dragstart', ev);
if (this.touchScrollAllowed === false) {
this.pointer.cancelTouchScroll();
}
}
}
};
FeaturefulElementDragging.prototype.tryStopDrag = function (ev) {
// .stop() is ALWAYS asynchronous, which we NEED because we want all pointerup events
// that come from the document to fire beforehand. much more convenient this way.
this.mirror.stop(this.mirrorNeedsRevert, this.stopDrag.bind(this, ev) // bound with args
);
};
FeaturefulElementDragging.prototype.stopDrag = function (ev) {
this.isDragging = false;
this.emitter.trigger('dragend', ev);
};
// fill in the implementations...
FeaturefulElementDragging.prototype.setIgnoreMove = function (bool) {
this.pointer.shouldIgnoreMove = bool;
};
FeaturefulElementDragging.prototype.setMirrorIsVisible = function (bool) {
this.mirror.setIsVisible(bool);
};
FeaturefulElementDragging.prototype.setMirrorNeedsRevert = function (bool) {
this.mirrorNeedsRevert = bool;
};
FeaturefulElementDragging.prototype.setAutoScrollEnabled = function (bool) {
this.autoScroller.isEnabled = bool;
};
return FeaturefulElementDragging;
}(ElementDragging));
/*
When this class is instantiated, it records the offset of an element (relative to the document topleft),
and continues to monitor scrolling, updating the cached coordinates if it needs to.
Does not access the DOM after instantiation, so highly performant.
Also keeps track of all scrolling/overflow:hidden containers that are parents of the given element
and an determine if a given point is inside the combined clipping rectangle.
*/
var OffsetTracker = /** @class */ (function () {
function OffsetTracker(el) {
this.origRect = computeRect(el);
// will work fine for divs that have overflow:hidden
this.scrollCaches = getClippingParents(el).map(function (el) {
return new ElementScrollGeomCache(el, true); // listen=true
});
}
OffsetTracker.prototype.destroy = function () {
for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
var scrollCache = _a[_i];
scrollCache.destroy();
}
};
OffsetTracker.prototype.computeLeft = function () {
var left = this.origRect.left;
for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
var scrollCache = _a[_i];
left += scrollCache.origScrollLeft - scrollCache.getScrollLeft();
}
return left;
};
OffsetTracker.prototype.computeTop = function () {
var top = this.origRect.top;
for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
var scrollCache = _a[_i];
top += scrollCache.origScrollTop - scrollCache.getScrollTop();
}
return top;
};
OffsetTracker.prototype.isWithinClipping = function (pageX, pageY) {
var point = { left: pageX, top: pageY };
for (var _i = 0, _a = this.scrollCaches; _i < _a.length; _i++) {
var scrollCache = _a[_i];
if (!isIgnoredClipping(scrollCache.getEventTarget()) &&
!pointInsideRect(point, scrollCache.clientRect)) {
return false;
}
}
return true;
};
return OffsetTracker;
}());
// certain clipping containers should never constrain interactions, like <html> and <body>
// https://github.com/fullcalendar/fullcalendar/issues/3615
function isIgnoredClipping(node) {
var tagName = node.tagName;
return tagName === 'HTML' || tagName === 'BODY';
}
/*
Tracks movement over multiple droppable areas (aka "hits")
that exist in one or more DateComponents.
Relies on an existing draggable.
emits:
- pointerdown
- dragstart
- hitchange - fires initially, even if not over a hit
- pointerup
- (hitchange - again, to null, if ended over a hit)
- dragend
*/
var HitDragging = /** @class */ (function () {
function HitDragging(dragging, droppableStore) {
var _this = this;
// options that can be set by caller
this.useSubjectCenter = false;
this.requireInitial = true; // if doesn't start out on a hit, won't emit any events
this.initialHit = null;
this.movingHit = null;
this.finalHit = null; // won't ever be populated if shouldIgnoreMove
this.handlePointerDown = function (ev) {
var dragging = _this.dragging;
_this.initialHit = null;
_this.movingHit = null;
_this.finalHit = null;
_this.prepareHits();
_this.processFirstCoord(ev);
if (_this.initialHit || !_this.requireInitial) {
dragging.setIgnoreMove(false);
_this.emitter.trigger('pointerdown', ev); // TODO: fire this before computing processFirstCoord, so listeners can cancel. this gets fired by almost every handler :(
}
else {
dragging.setIgnoreMove(true);
}
};
this.handleDragStart = function (ev) {
_this.emitter.trigger('dragstart', ev);
_this.handleMove(ev, true); // force = fire even if initially null
};
this.handleDragMove = function (ev) {
_this.emitter.trigger('dragmove', ev);
_this.handleMove(ev);
};
this.handlePointerUp = function (ev) {
_this.releaseHits();
_this.emitter.trigger('pointerup', ev);