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plain-draggable-debug.esm.js
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/* ================================================
DON'T MANUALLY EDIT THIS FILE
================================================ */
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
/*
* PlainDraggable
* https://anseki.github.io/plain-draggable/
*
* Copyright (c) 2024 anseki
* Licensed under the MIT license.
*/
import PointerEvent from 'pointer-event';
import CSSPrefix from 'cssprefix';
import AnimEvent from 'anim-event';
import mClassList from 'm-class-list';
mClassList.ignoreNative = true;
var ZINDEX = 9000,
// [SNAP]
SNAP_GRAVITY = 20,
SNAP_CORNER = 'tl',
SNAP_SIDE = 'both',
SNAP_EDGE = 'both',
SNAP_BASE = 'containment',
SNAP_ALL_CORNERS = ['tl', 'tr', 'bl', 'br'],
SNAP_ALL_SIDES = ['start', 'end'],
SNAP_ALL_EDGES = ['inside', 'outside'],
// [/SNAP]
// [AUTO-SCROLL]
AUTOSCROLL_SPEED = [40, 200, 1000],
AUTOSCROLL_SENSITIVITY = [100, 40, 0],
// [/AUTO-SCROLL]
IS_EDGE = '-ms-scroll-limit' in document.documentElement.style && '-ms-ime-align' in document.documentElement.style && !window.navigator.msPointerEnabled,
IS_TRIDENT = !IS_EDGE && !!document.uniqueID,
// Future Edge might support `document.uniqueID`.
IS_GECKO = ('MozAppearance' in document.documentElement.style),
IS_BLINK = !IS_EDGE && !IS_GECKO && // Edge has `window.chrome`, and future Gecko might have that.
!!window.chrome && !!window.CSS,
IS_WEBKIT = !IS_EDGE && !IS_TRIDENT && !IS_GECKO && !IS_BLINK && // Some engines support `webkit-*` properties.
!window.chrome && 'WebkitAppearance' in document.documentElement.style,
isObject = function () {
var toString = {}.toString,
fnToString = {}.hasOwnProperty.toString,
objFnString = fnToString.call(Object);
return function (obj) {
var proto, constr;
return obj && toString.call(obj) === '[object Object]' && (!(proto = Object.getPrototypeOf(obj)) || (constr = proto.hasOwnProperty('constructor') && proto.constructor) && typeof constr === 'function' && fnToString.call(constr) === objFnString);
};
}(),
isFinite = Number.isFinite || function (value) {
return typeof value === 'number' && window.isFinite(value);
},
/** @type {Object.<_id: number, props>} */
insProps = {},
pointerOffset = {},
pointerEvent = new PointerEvent();
var insId = 0,
activeProps,
hasMoved,
body,
// CSS property/value
cssValueDraggableCursor,
cssValueDraggingCursor,
cssOrgValueBodyCursor,
cssPropTransitionProperty,
cssPropTransform,
cssPropUserSelect,
cssOrgValueBodyUserSelect,
// Try to set `cursor` property.
cssWantedValueDraggableCursor = IS_WEBKIT ? ['all-scroll', 'move'] : ['grab', 'all-scroll', 'move'],
cssWantedValueDraggingCursor = IS_WEBKIT ? 'move' : ['grabbing', 'move'],
// class
draggableClass = 'plain-draggable',
draggingClass = 'plain-draggable-dragging',
movingClass = 'plain-draggable-moving'; // [AUTO-SCROLL]
// Scroll Animation Controller
var scrollFrame = {},
MSPF = 1000 / 60,
// ms/frame (FPS: 60)
requestAnim = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame || function (callback) {
return setTimeout(callback, MSPF);
},
cancelAnim = window.cancelAnimationFrame || window.mozCancelAnimationFrame || window.webkitCancelAnimationFrame || window.msCancelAnimationFrame || function (requestID) {
return clearTimeout(requestID);
};
{
/**
* @typedef {Object} MoveArgs
* @property {number} dir - [-1 | 1] minus or plus to position value.
* @property {number} speed - px/ms
* @property {number} min - Minimum position value.
* @property {number} max - Maximum position value.
* @property {number} [lastFrameTime] - Time of last frame.
* @property {number} [lastValue] - Strict value of last frame.
*/
var curXyMoveArgs = {},
curElement,
curScrollXY,
requestID;
function frameUpdate() {
var now = Date.now();
['x', 'y'].forEach(function (xy) {
var moveArgs = curXyMoveArgs[xy];
if (moveArgs) {
var timeLen = now - moveArgs.lastFrameTime,
absValue = curScrollXY(curElement, xy),
curValue = moveArgs.lastValue != null && Math.abs(moveArgs.lastValue - absValue) < 10 // It was not moved manually
? moveArgs.lastValue : absValue;
if (moveArgs.dir === -1 ? curValue > moveArgs.min : curValue < moveArgs.max) {
var newValue = curValue + moveArgs.speed * timeLen * moveArgs.dir;
if (newValue < moveArgs.min) {
newValue = moveArgs.min;
} else if (newValue > moveArgs.max) {
newValue = moveArgs.max;
}
curScrollXY(curElement, xy, newValue);
moveArgs.lastValue = newValue;
}
moveArgs.lastFrameTime = now;
}
});
}
function frame() {
cancelAnim.call(window, requestID);
frameUpdate();
requestID = requestAnim.call(window, frame);
}
/**
* @param {Element} element - A target element.
* @param {{x: ?MoveArgs, y: ?MoveArgs}} xyMoveArgs - MoveArgs for x and y
* @param {function} scrollXY - (element: Element, xy: string, value: number) => number
* @returns {void}
*/
scrollFrame.move = function (element, xyMoveArgs, scrollXY) {
cancelAnim.call(window, requestID);
frameUpdate(); // Update current data now because it might be not continuation.
// Re-use lastValue
if (curElement === element) {
if (xyMoveArgs.x && curXyMoveArgs.x) {
xyMoveArgs.x.lastValue = curXyMoveArgs.x.lastValue;
}
if (xyMoveArgs.y && curXyMoveArgs.y) {
xyMoveArgs.y.lastValue = curXyMoveArgs.y.lastValue;
}
}
curElement = element;
curXyMoveArgs = xyMoveArgs;
curScrollXY = scrollXY;
var now = Date.now();
['x', 'y'].forEach(function (xy) {
var moveArgs = curXyMoveArgs[xy];
if (moveArgs) {
moveArgs.lastFrameTime = now;
}
});
requestID = requestAnim.call(window, frame);
};
scrollFrame.stop = function () {
cancelAnim.call(window, requestID);
frameUpdate();
curXyMoveArgs = {};
curElement = null; // Remove reference
};
}
function scrollXYWindow(element, xy, value) {
if (value != null) {
if (xy === 'x') {
element.scrollTo(value, element.pageYOffset);
} else {
element.scrollTo(element.pageXOffset, value);
}
}
return xy === 'x' ? element.pageXOffset : element.pageYOffset;
}
function scrollXYElement(element, xy, value) {
var prop = xy === 'x' ? 'scrollLeft' : 'scrollTop';
if (value != null) {
element[prop] = value;
}
return element[prop];
}
/**
* @typedef {Object} Scrollable
* @property {number} clientWidth - width of scrollable area.
* @property {number} clientHeight - height of scrollable area.
* @property {number} scrollWidth - width of inner content.
* @property {number} scrollHeight - height of inner content.
* @property {number} clientX - X of scrollable area, document coordinate.
* @property {number} clientY - T of scrollable area, document coordinate.
*/
/**
* @param {Element} element - A target element.
* @param {boolean} [isWindow] - `true` if element is window.
* @param {boolean} [dontScroll] - `true` makes it skip scroll that gets scrollWidth/Height.
* @returns {Scrollable} Information for scroll.
*/
function getScrollable(element, isWindow, dontScroll) {
var scrollable = {};
var cmpStyleHtml, cmpStyleBody, cmpStyleElement; // clientWidth/Height
(function (target) {
scrollable.clientWidth = target.clientWidth;
scrollable.clientHeight = target.clientHeight;
})(isWindow ? document.documentElement : element); // scrollWidth/Height
/*
Gecko bug, bottom-padding of element is reduced.
Blink for Android bug, borders of <html> is rendered but those are not added to scrollW/H.
Then, move it to max scroll position (sufficiently larger values) forcibly, and get scroll position.
*/
var maxScrollLeft = 0,
maxScrollTop = 0;
if (!dontScroll) {
var curScrollLeft, curScrollTop;
if (isWindow) {
curScrollLeft = scrollXYWindow(element, 'x');
curScrollTop = scrollXYWindow(element, 'y');
cmpStyleHtml = getComputedStyle(document.documentElement, '');
cmpStyleBody = getComputedStyle(document.body, '');
maxScrollLeft = scrollXYWindow(element, 'x', document.documentElement.scrollWidth + scrollable.clientWidth + // Blink for Android bug, scroll* returns size of smaller body
['marginLeft', 'marginRight', 'borderLeftWidth', 'borderRightWidth', 'paddingLeft', 'paddingRight'].reduce(function (len, prop) {
return len + (parseFloat(cmpStyleHtml[prop]) || 0) + (parseFloat(cmpStyleBody[prop]) || 0);
}, 0));
maxScrollTop = scrollXYWindow(element, 'y', document.documentElement.scrollHeight + scrollable.clientHeight + ['marginTop', 'marginBottom', 'borderTopWidth', 'borderBottomWidth', 'paddingTop', 'paddingBottom'].reduce(function (len, prop) {
return len + (parseFloat(cmpStyleHtml[prop]) || 0) + (parseFloat(cmpStyleBody[prop]) || 0);
}, 0));
scrollXYWindow(element, 'x', curScrollLeft);
scrollXYWindow(element, 'y', curScrollTop);
} else {
curScrollLeft = scrollXYElement(element, 'x');
curScrollTop = scrollXYElement(element, 'y');
cmpStyleElement = getComputedStyle(element, '');
maxScrollLeft = scrollXYElement(element, 'x', element.scrollWidth + scrollable.clientWidth + // Blink for Android bug, scroll* returns size of smaller body
['marginLeft', 'marginRight', 'borderLeftWidth', 'borderRightWidth', 'paddingLeft', 'paddingRight'].reduce(function (len, prop) {
return len + (parseFloat(cmpStyleElement[prop]) || 0);
}, 0));
maxScrollTop = scrollXYElement(element, 'y', element.scrollHeight + scrollable.clientHeight + ['marginTop', 'marginBottom', 'borderTopWidth', 'borderBottomWidth', 'paddingTop', 'paddingBottom'].reduce(function (len, prop) {
return len + (parseFloat(cmpStyleElement[prop]) || 0);
}, 0));
scrollXYElement(element, 'x', curScrollLeft);
scrollXYElement(element, 'y', curScrollTop);
}
}
scrollable.scrollWidth = scrollable.clientWidth + maxScrollLeft;
scrollable.scrollHeight = scrollable.clientHeight + maxScrollTop; // clientX/Y
var rect;
if (isWindow) {
scrollable.clientX = scrollable.clientY = 0;
} else {
// padding-box
rect = element.getBoundingClientRect();
if (!cmpStyleElement) {
cmpStyleElement = getComputedStyle(element, '');
}
scrollable.clientX = rect.left + (parseFloat(cmpStyleElement.borderLeftWidth) || 0);
scrollable.clientY = rect.top + (parseFloat(cmpStyleElement.borderTopWidth) || 0);
}
return scrollable;
} // [/AUTO-SCROLL]
// [DEBUG]
window.insProps = insProps;
window.IS_WEBKIT = IS_WEBKIT;
window.IS_GECKO = IS_GECKO; // [SVG/]
// [SNAP]
window.SNAP_GRAVITY = SNAP_GRAVITY;
window.SNAP_CORNER = SNAP_CORNER;
window.SNAP_SIDE = SNAP_SIDE;
window.SNAP_EDGE = SNAP_EDGE;
window.SNAP_BASE = SNAP_BASE;
window.SNAP_ALL_CORNERS = SNAP_ALL_CORNERS;
window.SNAP_ALL_SIDES = SNAP_ALL_SIDES;
window.SNAP_ALL_EDGES = SNAP_ALL_EDGES; // [/SNAP]
// [AUTO-SCROLL]
window.AUTOSCROLL_SPEED = AUTOSCROLL_SPEED;
window.AUTOSCROLL_SENSITIVITY = AUTOSCROLL_SENSITIVITY; // [/AUTO-SCROLL]
// [/DEBUG]
function copyTree(obj) {
return !obj ? obj : isObject(obj) ? Object.keys(obj).reduce(function (copyObj, key) {
copyObj[key] = copyTree(obj[key]);
return copyObj;
}, {}) : Array.isArray(obj) ? obj.map(copyTree) : obj;
}
function hasChanged(a, b) {
var typeA, keysA;
return _typeof(a) !== _typeof(b) || (typeA = isObject(a) ? 'obj' : Array.isArray(a) ? 'array' : '') !== (isObject(b) ? 'obj' : Array.isArray(b) ? 'array' : '') || (typeA === 'obj' ? hasChanged(keysA = Object.keys(a).sort(), Object.keys(b).sort()) || keysA.some(function (prop) {
return hasChanged(a[prop], b[prop]);
}) : typeA === 'array' ? a.length !== b.length || a.some(function (aVal, i) {
return hasChanged(aVal, b[i]);
}) : a !== b);
}
/**
* @param {Element} element - A target element.
* @returns {boolean} `true` if connected element.
*/
function isElement(element) {
return !!(element && element.nodeType === Node.ELEMENT_NODE && // element instanceof HTMLElement &&
typeof element.getBoundingClientRect === 'function' && !(element.compareDocumentPosition(document) & Node.DOCUMENT_POSITION_DISCONNECTED));
}
window.isElement = isElement; // [DEBUG/]
/**
* An object that simulates `DOMRect` to indicate a bounding-box.
* @typedef {Object} BBox
* @property {(number|null)} left - document coordinate
* @property {(number|null)} top - document coordinate
* @property {(number|null)} right - document coordinate
* @property {(number|null)} bottom - document coordinate
* @property {(number|null)} x - Substitutes for left
* @property {(number|null)} y - Substitutes for top
* @property {(number|null)} width
* @property {(number|null)} height
*/
/**
* @param {Object} bBox - A target object.
* @returns {(BBox|null)} A normalized `BBox`, or null if `bBox` is invalid.
*/
function validBBox(bBox) {
if (!isObject(bBox)) {
return null;
}
var value;
if (isFinite(value = bBox.left) || isFinite(value = bBox.x)) {
bBox.left = bBox.x = value;
} else {
return null;
}
if (isFinite(value = bBox.top) || isFinite(value = bBox.y)) {
bBox.top = bBox.y = value;
} else {
return null;
}
if (isFinite(bBox.width) && bBox.width >= 0) {
bBox.right = bBox.left + bBox.width;
} else if (isFinite(bBox.right) && bBox.right >= bBox.left) {
bBox.width = bBox.right - bBox.left;
} else {
return null;
}
if (isFinite(bBox.height) && bBox.height >= 0) {
bBox.bottom = bBox.top + bBox.height;
} else if (isFinite(bBox.bottom) && bBox.bottom >= bBox.top) {
bBox.height = bBox.bottom - bBox.top;
} else {
return null;
}
return bBox;
}
window.validBBox = validBBox; // [DEBUG/]
/**
* A value that is Pixels or Ratio
* @typedef {{value: number, isRatio: boolean}} PPValue
*/
function validPPValue(value) {
// Get PPValue from string (all `/s` were already removed)
function string2PPValue(inString) {
var matches = /^(.+?)(%)?$/.exec(inString);
var value, isRatio;
return matches && isFinite(value = parseFloat(matches[1])) ? {
value: (isRatio = !!(matches[2] && value)) ? value / 100 : value,
isRatio: isRatio
} : null; // 0% -> 0
}
return isFinite(value) ? {
value: value,
isRatio: false
} : typeof value === 'string' ? string2PPValue(value.replace(/\s/g, '')) : null;
}
window.validPPValue = validPPValue; // [DEBUG/]
function ppValue2OptionValue(ppValue) {
return ppValue.isRatio ? "".concat(ppValue.value * 100, "%") : ppValue.value;
}
window.ppValue2OptionValue = ppValue2OptionValue; // [DEBUG/]
function resolvePPValue(ppValue, baseOrigin, baseSize) {
return typeof ppValue === 'number' ? ppValue : baseOrigin + ppValue.value * (ppValue.isRatio ? baseSize : 1);
}
/**
* An object that simulates BBox but properties are PPValue.
* @typedef {Object} PPBBox
*/
/**
* @param {Object} bBox - A target object.
* @returns {(PPBBox|null)} A normalized `PPBBox`, or null if `bBox` is invalid.
*/
function validPPBBox(bBox) {
if (!isObject(bBox)) {
return null;
}
var ppValue;
if ((ppValue = validPPValue(bBox.left)) || (ppValue = validPPValue(bBox.x))) {
bBox.left = bBox.x = ppValue;
} else {
return null;
}
if ((ppValue = validPPValue(bBox.top)) || (ppValue = validPPValue(bBox.y))) {
bBox.top = bBox.y = ppValue;
} else {
return null;
}
if ((ppValue = validPPValue(bBox.width)) && ppValue.value >= 0) {
bBox.width = ppValue;
delete bBox.right;
} else if (ppValue = validPPValue(bBox.right)) {
bBox.right = ppValue;
delete bBox.width;
} else {
return null;
}
if ((ppValue = validPPValue(bBox.height)) && ppValue.value >= 0) {
bBox.height = ppValue;
delete bBox.bottom;
} else if (ppValue = validPPValue(bBox.bottom)) {
bBox.bottom = ppValue;
delete bBox.height;
} else {
return null;
}
return bBox;
}
window.validPPBBox = validPPBBox; // [DEBUG/]
function ppBBox2OptionObject(ppBBox) {
return Object.keys(ppBBox).reduce(function (obj, prop) {
obj[prop] = ppValue2OptionValue(ppBBox[prop]);
return obj;
}, {});
}
window.ppBBox2OptionObject = ppBBox2OptionObject; // [DEBUG/]
// PPBBox -> BBox
function resolvePPBBox(ppBBox, baseBBox) {
var prop2Axis = {
left: 'x',
right: 'x',
x: 'x',
width: 'x',
top: 'y',
bottom: 'y',
y: 'y',
height: 'y'
},
baseOriginXY = {
x: baseBBox.left,
y: baseBBox.top
},
baseSizeXY = {
x: baseBBox.width,
y: baseBBox.height
};
return validBBox(Object.keys(ppBBox).reduce(function (bBox, prop) {
bBox[prop] = resolvePPValue(ppBBox[prop], prop === 'width' || prop === 'height' ? 0 : baseOriginXY[prop2Axis[prop]], baseSizeXY[prop2Axis[prop]]);
return bBox;
}, {}));
}
window.resolvePPBBox = resolvePPBBox; // [DEBUG/]
/**
* @param {Element} element - A target element.
* @param {?boolean} getPaddingBox - Get padding-box instead of border-box as bounding-box.
* @returns {BBox} A bounding-box of `element`.
*/
function getBBox(element, getPaddingBox) {
var rect = element.getBoundingClientRect(),
bBox = {
left: rect.left,
top: rect.top,
width: rect.width,
height: rect.height
};
bBox.left += window.pageXOffset;
bBox.top += window.pageYOffset;
if (getPaddingBox) {
var style = window.getComputedStyle(element, ''),
borderTop = parseFloat(style.borderTopWidth) || 0,
borderRight = parseFloat(style.borderRightWidth) || 0,
borderBottom = parseFloat(style.borderBottomWidth) || 0,
borderLeft = parseFloat(style.borderLeftWidth) || 0;
bBox.left += borderLeft;
bBox.top += borderTop;
bBox.width -= borderLeft + borderRight;
bBox.height -= borderTop + borderBottom;
}
return validBBox(bBox);
}
window.getBBox = getBBox; // [DEBUG/]
/**
* Optimize an element for animation.
* @param {Element} element - A target element.
* @param {?boolean} gpuTrigger - Initialize for SVGElement if `true`.
* @returns {Element} A target element.
*/
function initAnim(element, gpuTrigger) {
var style = element.style;
style.webkitTapHighlightColor = 'transparent'; // Only when it has no shadow
var cssPropBoxShadow = CSSPrefix.getName('boxShadow'),
boxShadow = window.getComputedStyle(element, '')[cssPropBoxShadow];
if (!boxShadow || boxShadow === 'none') {
style[cssPropBoxShadow] = '0 0 1px transparent';
}
if (gpuTrigger && cssPropTransform) {
style[cssPropTransform] = 'translateZ(0)';
}
return element;
}
function setDraggableCursor(element, orgCursor) {
if (cssValueDraggableCursor == null) {
if (cssWantedValueDraggableCursor !== false) {
cssValueDraggableCursor = CSSPrefix.getValue('cursor', cssWantedValueDraggableCursor);
} // The wanted value was denied, or changing is not wanted.
if (cssValueDraggableCursor == null) {
cssValueDraggableCursor = false;
}
} // Update it to change a state even if cssValueDraggableCursor is false.
element.style.cursor = cssValueDraggableCursor === false ? orgCursor : cssValueDraggableCursor;
}
function setDraggingCursor(element) {
if (cssValueDraggingCursor == null) {
if (cssWantedValueDraggingCursor !== false) {
cssValueDraggingCursor = CSSPrefix.getValue('cursor', cssWantedValueDraggingCursor);
} // The wanted value was denied, or changing is not wanted.
if (cssValueDraggingCursor == null) {
cssValueDraggingCursor = false;
}
}
if (cssValueDraggingCursor !== false) {
element.style.cursor = cssValueDraggingCursor;
}
} // [SVG]
/**
* Get SVG coordinates from viewport coordinates.
* @param {props} props - `props` of instance.
* @param {number} clientX - viewport X.
* @param {number} clientY - viewport Y.
* @returns {SVGPoint} SVG coordinates.
*/
function viewPoint2SvgPoint(props, clientX, clientY) {
var svgPoint = props.svgPoint;
svgPoint.x = clientX;
svgPoint.y = clientY;
return svgPoint.matrixTransform(props.svgCtmElement.getScreenCTM().inverse());
} // [/SVG]
/**
* Move by `translate`.
* @param {props} props - `props` of instance.
* @param {{left: number, top: number}} position - New position.
* @returns {boolean} `true` if it was moved.
*/
function moveTranslate(props, position) {
var elementBBox = props.elementBBox;
if (position.left !== elementBBox.left || position.top !== elementBBox.top) {
var offset = props.htmlOffset;
props.elementStyle[cssPropTransform] = "translate(".concat(position.left + offset.left, "px, ").concat(position.top + offset.top, "px)");
return true;
}
return false;
} // [LEFTTOP]
/**
* Move by `left` and `top`.
* @param {props} props - `props` of instance.
* @param {{left: number, top: number}} position - New position.
* @returns {boolean} `true` if it was moved.
*/
function moveLeftTop(props, position) {
var elementBBox = props.elementBBox,
elementStyle = props.elementStyle,
offset = props.htmlOffset;
var moved = false;
if (position.left !== elementBBox.left) {
elementStyle.left = position.left + offset.left + 'px';
moved = true;
}
if (position.top !== elementBBox.top) {
elementStyle.top = position.top + offset.top + 'px';
moved = true;
}
return moved;
} // [/LEFTTOP]
// [SVG]
/**
* Move SVGElement.
* @param {props} props - `props` of instance.
* @param {{left: number, top: number}} position - New position.
* @returns {boolean} `true` if it was moved.
*/
function moveSvg(props, position) {
var elementBBox = props.elementBBox;
if (position.left !== elementBBox.left || position.top !== elementBBox.top) {
var offset = props.svgOffset,
originBBox = props.svgOriginBBox,
point = viewPoint2SvgPoint(props, position.left - window.pageXOffset, position.top - window.pageYOffset);
props.svgTransform.setTranslate(point.x + offset.x - originBBox.x, point.y + offset.y - originBBox.y);
return true;
}
return false;
} // [/SVG]
/**
* Set `props.element` position.
* @param {props} props - `props` of instance.
* @param {{left: number, top: number}} position - New position.
* @param {function} [cbCheck] - Callback that is called with valid position, cancel moving if it returns `false`.
* @returns {boolean} `true` if it was moved.
*/
function move(props, position, cbCheck) {
var elementBBox = props.elementBBox;
function fix() {
if (props.minLeft >= props.maxLeft) {
// Disabled
position.left = elementBBox.left;
} else if (position.left < props.minLeft) {
position.left = props.minLeft;
} else if (position.left > props.maxLeft) {
position.left = props.maxLeft;
}
if (props.minTop >= props.maxTop) {
// Disabled
position.top = elementBBox.top;
} else if (position.top < props.minTop) {
position.top = props.minTop;
} else if (position.top > props.maxTop) {
position.top = props.maxTop;
}
}
fix();
if (cbCheck) {
if (cbCheck(position) === false) {
return false;
}
fix(); // Again
}
var moved = props.moveElm(props, position);
if (moved) {
// Update elementBBox
props.elementBBox = validBBox({
left: position.left,
top: position.top,
width: elementBBox.width,
height: elementBBox.height
});
}
return moved;
}
/**
* Initialize HTMLElement for `translate`, and get `offset` that is used by `moveTranslate`.
* @param {props} props - `props` of instance.
* @returns {BBox} Current BBox without animation, i.e. left/top properties.
*/
function initTranslate(props) {
var element = props.element,
elementStyle = props.elementStyle,
curPosition = getBBox(element),
// Get BBox before change style.
RESTORE_PROPS = ['display', 'marginTop', 'marginBottom', 'width', 'height'];
RESTORE_PROPS.unshift(cssPropTransform); // Reset `transition-property` every time because it might be changed frequently.
var orgTransitionProperty = elementStyle[cssPropTransitionProperty];
elementStyle[cssPropTransitionProperty] = 'none'; // Disable animation
var fixPosition = getBBox(element);
if (!props.orgStyle) {
props.orgStyle = RESTORE_PROPS.reduce(function (orgStyle, prop) {
orgStyle[prop] = elementStyle[prop] || '';
return orgStyle;
}, {});
props.lastStyle = {};
} else {
RESTORE_PROPS.forEach(function (prop) {
// Skip this if it seems user changed it. (it can't check perfectly.)
if (props.lastStyle[prop] == null || elementStyle[prop] === props.lastStyle[prop]) {
elementStyle[prop] = props.orgStyle[prop];
}
});
}
var orgSize = getBBox(element),
cmpStyle = window.getComputedStyle(element, ''); // https://www.w3.org/TR/css-transforms-1/#transformable-element
if (cmpStyle.display === 'inline') {
elementStyle.display = 'inline-block';
['Top', 'Bottom'].forEach(function (dirProp) {
var padding = parseFloat(cmpStyle["padding".concat(dirProp)]); // paddingTop/Bottom make padding but don't make space -> negative margin in inline-block
// marginTop/Bottom don't work in inline element -> `0` in inline-block
elementStyle["margin".concat(dirProp)] = padding ? "-".concat(padding, "px") : '0';
});
}
elementStyle[cssPropTransform] = 'translate(0, 0)'; // Get document offset.
var newBBox = getBBox(element);
var offset = props.htmlOffset = {
left: newBBox.left ? -newBBox.left : 0,
top: newBBox.top ? -newBBox.top : 0
}; // avoid `-0`
// Restore position
elementStyle[cssPropTransform] = "translate(".concat(curPosition.left + offset.left, "px, ").concat(curPosition.top + offset.top, "px)"); // Restore size
['width', 'height'].forEach(function (prop) {
if (newBBox[prop] !== orgSize[prop]) {
// Ignore `box-sizing`
elementStyle[prop] = orgSize[prop] + 'px';
newBBox = getBBox(element);
if (newBBox[prop] !== orgSize[prop]) {
// Retry
elementStyle[prop] = orgSize[prop] - (newBBox[prop] - orgSize[prop]) + 'px';
}
}
props.lastStyle[prop] = elementStyle[prop];
}); // Restore `transition-property`
element.offsetWidth;
/* force reflow */
// eslint-disable-line no-unused-expressions
elementStyle[cssPropTransitionProperty] = orgTransitionProperty;
if (fixPosition.left !== curPosition.left || fixPosition.top !== curPosition.top) {
// It seems that it is moving.
elementStyle[cssPropTransform] = "translate(".concat(fixPosition.left + offset.left, "px, ").concat(fixPosition.top + offset.top, "px)");
}
return fixPosition;
} // [LEFTTOP]
/**
* Initialize HTMLElement for `left` and `top`, and get `offset` that is used by `moveLeftTop`.
* @param {props} props - `props` of instance.
* @returns {BBox} Current BBox without animation, i.e. left/top properties.
*/
function initLeftTop(props) {
var element = props.element,
elementStyle = props.elementStyle,
curPosition = getBBox(element),
// Get BBox before change style.
RESTORE_PROPS = ['position', 'marginTop', 'marginRight', 'marginBottom', 'marginLeft', 'width', 'height']; // Reset `transition-property` every time because it might be changed frequently.
var orgTransitionProperty = elementStyle[cssPropTransitionProperty];
elementStyle[cssPropTransitionProperty] = 'none'; // Disable animation
var fixPosition = getBBox(element);
if (!props.orgStyle) {
props.orgStyle = RESTORE_PROPS.reduce(function (orgStyle, prop) {
orgStyle[prop] = elementStyle[prop] || '';
return orgStyle;
}, {});
props.lastStyle = {};
} else {
RESTORE_PROPS.forEach(function (prop) {
// Skip this if it seems user changed it. (it can't check perfectly.)
if (props.lastStyle[prop] == null || elementStyle[prop] === props.lastStyle[prop]) {
elementStyle[prop] = props.orgStyle[prop];
}
});
}
var orgSize = getBBox(element);
elementStyle.position = 'absolute';
elementStyle.left = elementStyle.top = elementStyle.margin = '0'; // Get document offset.
var newBBox = getBBox(element);
var offset = props.htmlOffset = {
left: newBBox.left ? -newBBox.left : 0,
top: newBBox.top ? -newBBox.top : 0
}; // avoid `-0`
// Restore position
elementStyle.left = curPosition.left + offset.left + 'px';
elementStyle.top = curPosition.top + offset.top + 'px'; // Restore size
['width', 'height'].forEach(function (prop) {
if (newBBox[prop] !== orgSize[prop]) {
// Ignore `box-sizing`
elementStyle[prop] = orgSize[prop] + 'px';
newBBox = getBBox(element);
if (newBBox[prop] !== orgSize[prop]) {
// Retry
elementStyle[prop] = orgSize[prop] - (newBBox[prop] - orgSize[prop]) + 'px';
}
}
props.lastStyle[prop] = elementStyle[prop];
}); // Restore `transition-property`
element.offsetWidth;
/* force reflow */
// eslint-disable-line no-unused-expressions
elementStyle[cssPropTransitionProperty] = orgTransitionProperty;
if (fixPosition.left !== curPosition.left || fixPosition.top !== curPosition.top) {
// It seems that it is moving.
elementStyle.left = fixPosition.left + offset.left + 'px';
elementStyle.top = fixPosition.top + offset.top + 'px';
}
return fixPosition;
} // [/LEFTTOP]
// [SVG]
/**
* Initialize SVGElement, and get `offset` that is used by `moveSvg`.
* @param {props} props - `props` of instance.
* @returns {BBox} Current BBox without animation, i.e. left/top properties.
*/
function initSvg(props) {
var element = props.element,
svgTransform = props.svgTransform,
curRect = element.getBoundingClientRect(),
// Get Rect before change position.
fixPosition = getBBox(element);
svgTransform.setTranslate(0, 0);
var originBBox = props.svgOriginBBox = element.getBBox(),
// Try to get SVG coordinates of current position.
newRect = element.getBoundingClientRect(),
originPoint = viewPoint2SvgPoint(props, newRect.left, newRect.top),
// Gecko bug, getScreenCTM returns incorrect CTM, and originPoint might not be current position.
offset = props.svgOffset = {
x: originBBox.x - originPoint.x,
y: originBBox.y - originPoint.y
},
// Restore position
curPoint = viewPoint2SvgPoint(props, curRect.left, curRect.top);
svgTransform.setTranslate(curPoint.x + offset.x - originBBox.x, curPoint.y + offset.y - originBBox.y);
return fixPosition;
} // [/SVG]
/**
* Set `elementBBox`, `containmentBBox`, `min/max``Left/Top` and `snapTargets`.
* @param {props} props - `props` of instance.
* @param {string} [eventType] - A type of event that kicked this method.
* @returns {void}
*/
function initBBox(props, eventType) {
// eslint-disable-line no-unused-vars
var docBBox = getBBox(document.documentElement),
elementBBox = props.elementBBox = props.initElm(props),
// reset offset etc.
containmentBBox = props.containmentBBox = props.containmentIsBBox ? resolvePPBBox(props.options.containment, docBBox) || docBBox : getBBox(props.options.containment, true);
props.minLeft = containmentBBox.left;
props.maxLeft = containmentBBox.right - elementBBox.width;
props.minTop = containmentBBox.top;
props.maxTop = containmentBBox.bottom - elementBBox.height; // Adjust position
move(props, {
left: elementBBox.left,
top: elementBBox.top
}); // [SNAP]
// Snap-targets
/**
* @typedef {Object} SnapTarget
* @property {number} [x] - A coordinate it moves to. It has x or y or both.
* @property {number} [y]
* @property {number} [gravityXStart] - Gravity zone. It has *Start or *End or both, and *X* or *Y* or both.
* @property {number} [gravityXEnd]
* @property {number} [gravityYStart]
* @property {number} [gravityYEnd]
*/