659 lines
101 KiB
JavaScript
659 lines
101 KiB
JavaScript
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/**
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* @dynamic is for runtime initializing DomHandler.browser
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*
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* If delete below comment, we can see this error message:
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* Metadata collected contains an error that will be reported at runtime:
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* Only initialized variables and constants can be referenced
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* because the value of this variable is needed by the template compiler.
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*/
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// @dynamic
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export class DomHandler {
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static zindex = 1000;
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static calculatedScrollbarWidth = null;
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static calculatedScrollbarHeight = null;
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static browser;
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static addClass(element, className) {
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if (element && className) {
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if (element.classList)
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element.classList.add(className);
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else
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element.className += ' ' + className;
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}
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}
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static addMultipleClasses(element, className) {
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if (element && className) {
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if (element.classList) {
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let styles = className.trim().split(' ');
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for (let i = 0; i < styles.length; i++) {
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element.classList.add(styles[i]);
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}
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}
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else {
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let styles = className.split(' ');
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for (let i = 0; i < styles.length; i++) {
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element.className += ' ' + styles[i];
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}
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}
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}
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}
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static removeClass(element, className) {
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if (element && className) {
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if (element.classList)
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element.classList.remove(className);
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else
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element.className = element.className.replace(new RegExp('(^|\\b)' + className.split(' ').join('|') + '(\\b|$)', 'gi'), ' ');
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}
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}
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static removeMultipleClasses(element, classNames) {
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if (element && classNames) {
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[classNames]
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.flat()
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.filter(Boolean)
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.forEach((cNames) => cNames.split(' ').forEach((className) => this.removeClass(element, className)));
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}
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}
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static hasClass(element, className) {
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if (element && className) {
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if (element.classList)
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return element.classList.contains(className);
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else
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return new RegExp('(^| )' + className + '( |$)', 'gi').test(element.className);
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}
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return false;
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}
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static siblings(element) {
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return Array.prototype.filter.call(element.parentNode.children, function (child) {
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return child !== element;
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});
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}
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static find(element, selector) {
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return Array.from(element.querySelectorAll(selector));
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}
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static findSingle(element, selector) {
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return this.isElement(element) ? element.querySelector(selector) : null;
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}
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static index(element) {
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let children = element.parentNode.childNodes;
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let num = 0;
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for (var i = 0; i < children.length; i++) {
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if (children[i] == element)
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return num;
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if (children[i].nodeType == 1)
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num++;
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}
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return -1;
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}
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static indexWithinGroup(element, attributeName) {
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let children = element.parentNode ? element.parentNode.childNodes : [];
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let num = 0;
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for (var i = 0; i < children.length; i++) {
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if (children[i] == element)
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return num;
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if (children[i].attributes && children[i].attributes[attributeName] && children[i].nodeType == 1)
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num++;
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}
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return -1;
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}
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static appendOverlay(overlay, target, appendTo = 'self') {
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if (appendTo !== 'self' && overlay && target) {
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this.appendChild(overlay, target);
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}
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}
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static alignOverlay(overlay, target, appendTo = 'self', calculateMinWidth = true) {
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if (overlay && target) {
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if (calculateMinWidth) {
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overlay.style.minWidth = `${DomHandler.getOuterWidth(target)}px`;
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}
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if (appendTo === 'self') {
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this.relativePosition(overlay, target);
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}
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else {
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this.absolutePosition(overlay, target);
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}
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}
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}
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static relativePosition(element, target, gutter = true) {
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const getClosestRelativeElement = (el) => {
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if (!el)
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return;
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return getComputedStyle(el).getPropertyValue('position') === 'relative' ? el : getClosestRelativeElement(el.parentElement);
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};
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const elementDimensions = element.offsetParent ? { width: element.offsetWidth, height: element.offsetHeight } : this.getHiddenElementDimensions(element);
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const targetHeight = target.offsetHeight;
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const targetOffset = target.getBoundingClientRect();
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const windowScrollTop = this.getWindowScrollTop();
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const windowScrollLeft = this.getWindowScrollLeft();
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const viewport = this.getViewport();
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const relativeElement = getClosestRelativeElement(element);
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const relativeElementOffset = relativeElement?.getBoundingClientRect() || { top: -1 * windowScrollTop, left: -1 * windowScrollLeft };
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let top, left;
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if (targetOffset.top + targetHeight + elementDimensions.height > viewport.height) {
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top = targetOffset.top - relativeElementOffset.top - elementDimensions.height;
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element.style.transformOrigin = 'bottom';
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if (targetOffset.top + top < 0) {
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top = -1 * targetOffset.top;
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}
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}
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else {
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top = targetHeight + targetOffset.top - relativeElementOffset.top;
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element.style.transformOrigin = 'top';
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}
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const horizontalOverflow = targetOffset.left + elementDimensions.width - viewport.width;
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const targetLeftOffsetInSpaceOfRelativeElement = targetOffset.left - relativeElementOffset.left;
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if (elementDimensions.width > viewport.width) {
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// element wider then viewport and cannot fit on screen (align at left side of viewport)
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left = (targetOffset.left - relativeElementOffset.left) * -1;
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}
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else if (horizontalOverflow > 0) {
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// element wider then viewport but can be fit on screen (align at right side of viewport)
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left = targetLeftOffsetInSpaceOfRelativeElement - horizontalOverflow;
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}
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else {
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// element fits on screen (align with target)
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left = targetOffset.left - relativeElementOffset.left;
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}
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element.style.top = top + 'px';
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element.style.left = left + 'px';
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gutter && (element.style.marginTop = origin === 'bottom' ? 'calc(var(--p-anchor-gutter) * -1)' : 'calc(var(--p-anchor-gutter))');
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}
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static absolutePosition(element, target, gutter = true) {
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const elementDimensions = element.offsetParent ? { width: element.offsetWidth, height: element.offsetHeight } : this.getHiddenElementDimensions(element);
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const elementOuterHeight = elementDimensions.height;
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const elementOuterWidth = elementDimensions.width;
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const targetOuterHeight = target.offsetHeight;
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const targetOuterWidth = target.offsetWidth;
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const targetOffset = target.getBoundingClientRect();
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const windowScrollTop = this.getWindowScrollTop();
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const windowScrollLeft = this.getWindowScrollLeft();
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const viewport = this.getViewport();
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let top, left;
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if (targetOffset.top + targetOuterHeight + elementOuterHeight > viewport.height) {
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top = targetOffset.top + windowScrollTop - elementOuterHeight;
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element.style.transformOrigin = 'bottom';
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if (top < 0) {
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top = windowScrollTop;
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}
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}
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else {
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top = targetOuterHeight + targetOffset.top + windowScrollTop;
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element.style.transformOrigin = 'top';
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}
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if (targetOffset.left + elementOuterWidth > viewport.width)
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left = Math.max(0, targetOffset.left + windowScrollLeft + targetOuterWidth - elementOuterWidth);
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else
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left = targetOffset.left + windowScrollLeft;
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element.style.top = top + 'px';
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element.style.left = left + 'px';
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gutter && (element.style.marginTop = origin === 'bottom' ? 'calc(var(--p-anchor-gutter) * -1)' : 'calc(var(--p-anchor-gutter))');
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}
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static getParents(element, parents = []) {
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return element['parentNode'] === null ? parents : this.getParents(element.parentNode, parents.concat([element.parentNode]));
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}
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static getScrollableParents(element) {
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let scrollableParents = [];
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if (element) {
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let parents = this.getParents(element);
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const overflowRegex = /(auto|scroll)/;
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const overflowCheck = (node) => {
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let styleDeclaration = window['getComputedStyle'](node, null);
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return overflowRegex.test(styleDeclaration.getPropertyValue('overflow')) || overflowRegex.test(styleDeclaration.getPropertyValue('overflowX')) || overflowRegex.test(styleDeclaration.getPropertyValue('overflowY'));
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};
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for (let parent of parents) {
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let scrollSelectors = parent.nodeType === 1 && parent.dataset['scrollselectors'];
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if (scrollSelectors) {
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let selectors = scrollSelectors.split(',');
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for (let selector of selectors) {
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let el = this.findSingle(parent, selector);
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if (el && overflowCheck(el)) {
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scrollableParents.push(el);
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}
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}
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}
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if (parent.nodeType !== 9 && overflowCheck(parent)) {
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scrollableParents.push(parent);
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}
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}
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}
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return scrollableParents;
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}
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static getHiddenElementOuterHeight(element) {
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element.style.visibility = 'hidden';
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element.style.display = 'block';
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let elementHeight = element.offsetHeight;
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element.style.display = 'none';
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element.style.visibility = 'visible';
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return elementHeight;
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}
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static getHiddenElementOuterWidth(element) {
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element.style.visibility = 'hidden';
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element.style.display = 'block';
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let elementWidth = element.offsetWidth;
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element.style.display = 'none';
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element.style.visibility = 'visible';
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return elementWidth;
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}
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static getHiddenElementDimensions(element) {
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let dimensions = {};
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element.style.visibility = 'hidden';
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element.style.display = 'block';
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dimensions.width = element.offsetWidth;
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dimensions.height = element.offsetHeight;
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element.style.display = 'none';
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element.style.visibility = 'visible';
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return dimensions;
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}
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static scrollInView(container, item) {
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let borderTopValue = getComputedStyle(container).getPropertyValue('borderTopWidth');
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let borderTop = borderTopValue ? parseFloat(borderTopValue) : 0;
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let paddingTopValue = getComputedStyle(container).getPropertyValue('paddingTop');
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let paddingTop = paddingTopValue ? parseFloat(paddingTopValue) : 0;
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let containerRect = container.getBoundingClientRect();
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let itemRect = item.getBoundingClientRect();
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let offset = itemRect.top + document.body.scrollTop - (containerRect.top + document.body.scrollTop) - borderTop - paddingTop;
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let scroll = container.scrollTop;
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let elementHeight = container.clientHeight;
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let itemHeight = this.getOuterHeight(item);
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if (offset < 0) {
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container.scrollTop = scroll + offset;
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}
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else if (offset + itemHeight > elementHeight) {
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container.scrollTop = scroll + offset - elementHeight + itemHeight;
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}
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}
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static fadeIn(element, duration) {
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element.style.opacity = 0;
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let last = +new Date();
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let opacity = 0;
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let tick = function () {
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opacity = +element.style.opacity.replace(',', '.') + (new Date().getTime() - last) / duration;
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element.style.opacity = opacity;
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last = +new Date();
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if (+opacity < 1) {
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(window.requestAnimationFrame && requestAnimationFrame(tick)) || setTimeout(tick, 16);
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}
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};
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tick();
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}
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static fadeOut(element, ms) {
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var opacity = 1, interval = 50, duration = ms, gap = interval / duration;
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let fading = setInterval(() => {
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opacity = opacity - gap;
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if (opacity <= 0) {
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opacity = 0;
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clearInterval(fading);
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}
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element.style.opacity = opacity;
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}, interval);
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}
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static getWindowScrollTop() {
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let doc = document.documentElement;
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return (window.pageYOffset || doc.scrollTop) - (doc.clientTop || 0);
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}
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static getWindowScrollLeft() {
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let doc = document.documentElement;
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return (window.pageXOffset || doc.scrollLeft) - (doc.clientLeft || 0);
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}
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static matches(element, selector) {
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var p = Element.prototype;
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var f = p['matches'] ||
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p.webkitMatchesSelector ||
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p['mozMatchesSelector'] ||
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p['msMatchesSelector'] ||
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function (s) {
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return [].indexOf.call(document.querySelectorAll(s), this) !== -1;
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};
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return f.call(element, selector);
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}
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static getOuterWidth(el, margin) {
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let width = el.offsetWidth;
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if (margin) {
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let style = getComputedStyle(el);
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width += parseFloat(style.marginLeft) + parseFloat(style.marginRight);
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}
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return width;
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}
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static getHorizontalPadding(el) {
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let style = getComputedStyle(el);
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return parseFloat(style.paddingLeft) + parseFloat(style.paddingRight);
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}
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static getHorizontalMargin(el) {
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let style = getComputedStyle(el);
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return parseFloat(style.marginLeft) + parseFloat(style.marginRight);
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}
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static innerWidth(el) {
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let width = el.offsetWidth;
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let style = getComputedStyle(el);
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width += parseFloat(style.paddingLeft) + parseFloat(style.paddingRight);
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return width;
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}
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static width(el) {
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let width = el.offsetWidth;
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let style = getComputedStyle(el);
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width -= parseFloat(style.paddingLeft) + parseFloat(style.paddingRight);
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return width;
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}
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static getInnerHeight(el) {
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let height = el.offsetHeight;
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let style = getComputedStyle(el);
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height += parseFloat(style.paddingTop) + parseFloat(style.paddingBottom);
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return height;
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}
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static getOuterHeight(el, margin) {
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let height = el.offsetHeight;
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if (margin) {
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let style = getComputedStyle(el);
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height += parseFloat(style.marginTop) + parseFloat(style.marginBottom);
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}
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return height;
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}
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static getHeight(el) {
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let height = el.offsetHeight;
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let style = getComputedStyle(el);
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height -= parseFloat(style.paddingTop) + parseFloat(style.paddingBottom) + parseFloat(style.borderTopWidth) + parseFloat(style.borderBottomWidth);
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return height;
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}
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|
|
static getWidth(el) {
|
||
|
|
let width = el.offsetWidth;
|
||
|
|
let style = getComputedStyle(el);
|
||
|
|
width -= parseFloat(style.paddingLeft) + parseFloat(style.paddingRight) + parseFloat(style.borderLeftWidth) + parseFloat(style.borderRightWidth);
|
||
|
|
return width;
|
||
|
|
}
|
||
|
|
static getViewport() {
|
||
|
|
let win = window, d = document, e = d.documentElement, g = d.getElementsByTagName('body')[0], w = win.innerWidth || e.clientWidth || g.clientWidth, h = win.innerHeight || e.clientHeight || g.clientHeight;
|
||
|
|
return { width: w, height: h };
|
||
|
|
}
|
||
|
|
static getOffset(el) {
|
||
|
|
var rect = el.getBoundingClientRect();
|
||
|
|
return {
|
||
|
|
top: rect.top + (window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0),
|
||
|
|
left: rect.left + (window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft || 0)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
static replaceElementWith(element, replacementElement) {
|
||
|
|
let parentNode = element.parentNode;
|
||
|
|
if (!parentNode)
|
||
|
|
throw `Can't replace element`;
|
||
|
|
return parentNode.replaceChild(replacementElement, element);
|
||
|
|
}
|
||
|
|
static getUserAgent() {
|
||
|
|
if (navigator && this.isClient()) {
|
||
|
|
return navigator.userAgent;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
static isIE() {
|
||
|
|
var ua = window.navigator.userAgent;
|
||
|
|
var msie = ua.indexOf('MSIE ');
|
||
|
|
if (msie > 0) {
|
||
|
|
// IE 10 or older => return version number
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
var trident = ua.indexOf('Trident/');
|
||
|
|
if (trident > 0) {
|
||
|
|
// IE 11 => return version number
|
||
|
|
var rv = ua.indexOf('rv:');
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
var edge = ua.indexOf('Edge/');
|
||
|
|
if (edge > 0) {
|
||
|
|
// Edge (IE 12+) => return version number
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
// other browser
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
static isIOS() {
|
||
|
|
return /iPad|iPhone|iPod/.test(navigator.userAgent) && !window['MSStream'];
|
||
|
|
}
|
||
|
|
static isAndroid() {
|
||
|
|
return /(android)/i.test(navigator.userAgent);
|
||
|
|
}
|
||
|
|
static isTouchDevice() {
|
||
|
|
return 'ontouchstart' in window || navigator.maxTouchPoints > 0;
|
||
|
|
}
|
||
|
|
static appendChild(element, target) {
|
||
|
|
if (this.isElement(target))
|
||
|
|
target.appendChild(element);
|
||
|
|
else if (target && target.el && target.el.nativeElement)
|
||
|
|
target.el.nativeElement.appendChild(element);
|
||
|
|
else
|
||
|
|
throw 'Cannot append ' + target + ' to ' + element;
|
||
|
|
}
|
||
|
|
static removeChild(element, target) {
|
||
|
|
if (this.isElement(target))
|
||
|
|
target.removeChild(element);
|
||
|
|
else if (target.el && target.el.nativeElement)
|
||
|
|
target.el.nativeElement.removeChild(element);
|
||
|
|
else
|
||
|
|
throw 'Cannot remove ' + element + ' from ' + target;
|
||
|
|
}
|
||
|
|
static removeElement(element) {
|
||
|
|
if (!('remove' in Element.prototype))
|
||
|
|
element.parentNode.removeChild(element);
|
||
|
|
else
|
||
|
|
element.remove();
|
||
|
|
}
|
||
|
|
static isElement(obj) {
|
||
|
|
return typeof HTMLElement === 'object' ? obj instanceof HTMLElement : obj && typeof obj === 'object' && obj !== null && obj.nodeType === 1 && typeof obj.nodeName === 'string';
|
||
|
|
}
|
||
|
|
static calculateScrollbarWidth(el) {
|
||
|
|
if (el) {
|
||
|
|
let style = getComputedStyle(el);
|
||
|
|
return el.offsetWidth - el.clientWidth - parseFloat(style.borderLeftWidth) - parseFloat(style.borderRightWidth);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (this.calculatedScrollbarWidth !== null)
|
||
|
|
return this.calculatedScrollbarWidth;
|
||
|
|
let scrollDiv = document.createElement('div');
|
||
|
|
scrollDiv.className = 'p-scrollbar-measure';
|
||
|
|
document.body.appendChild(scrollDiv);
|
||
|
|
let scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth;
|
||
|
|
document.body.removeChild(scrollDiv);
|
||
|
|
this.calculatedScrollbarWidth = scrollbarWidth;
|
||
|
|
return scrollbarWidth;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
static calculateScrollbarHeight() {
|
||
|
|
if (this.calculatedScrollbarHeight !== null)
|
||
|
|
return this.calculatedScrollbarHeight;
|
||
|
|
let scrollDiv = document.createElement('div');
|
||
|
|
scrollDiv.className = 'p-scrollbar-measure';
|
||
|
|
document.body.appendChild(scrollDiv);
|
||
|
|
let scrollbarHeight = scrollDiv.offsetHeight - scrollDiv.clientHeight;
|
||
|
|
document.body.removeChild(scrollDiv);
|
||
|
|
this.calculatedScrollbarWidth = scrollbarHeight;
|
||
|
|
return scrollbarHeight;
|
||
|
|
}
|
||
|
|
static invokeElementMethod(element, methodName, args) {
|
||
|
|
element[methodName].apply(element, args);
|
||
|
|
}
|
||
|
|
static clearSelection() {
|
||
|
|
if (window.getSelection) {
|
||
|
|
if (window.getSelection().empty) {
|
||
|
|
window.getSelection().empty();
|
||
|
|
}
|
||
|
|
else if (window.getSelection().removeAllRanges && window.getSelection().rangeCount > 0 && window.getSelection().getRangeAt(0).getClientRects().length > 0) {
|
||
|
|
window.getSelection().removeAllRanges();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (document['selection'] && document['selection'].empty) {
|
||
|
|
try {
|
||
|
|
document['selection'].empty();
|
||
|
|
}
|
||
|
|
catch (error) {
|
||
|
|
//ignore IE bug
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
static getBrowser() {
|
||
|
|
if (!this.browser) {
|
||
|
|
let matched = this.resolveUserAgent();
|
||
|
|
this.browser = {};
|
||
|
|
if (matched.browser) {
|
||
|
|
this.browser[matched.browser] = true;
|
||
|
|
this.browser['version'] = matched.version;
|
||
|
|
}
|
||
|
|
if (this.browser['chrome']) {
|
||
|
|
this.browser['webkit'] = true;
|
||
|
|
}
|
||
|
|
else if (this.browser['webkit']) {
|
||
|
|
this.browser['safari'] = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this.browser;
|
||
|
|
}
|
||
|
|
static resolveUserAgent() {
|
||
|
|
let ua = navigator.userAgent.toLowerCase();
|
||
|
|
let match = /(chrome)[ \/]([\w.]+)/.exec(ua) || /(webkit)[ \/]([\w.]+)/.exec(ua) || /(opera)(?:.*version|)[ \/]([\w.]+)/.exec(ua) || /(msie) ([\w.]+)/.exec(ua) || (ua.indexOf('compatible') < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua)) || [];
|
||
|
|
return {
|
||
|
|
browser: match[1] || '',
|
||
|
|
version: match[2] || '0'
|
||
|
|
};
|
||
|
|
}
|
||
|
|
static isInteger(value) {
|
||
|
|
if (Number.isInteger) {
|
||
|
|
return Number.isInteger(value);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return typeof value === 'number' && isFinite(value) && Math.floor(value) === value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
static isHidden(element) {
|
||
|
|
return !element || element.offsetParent === null;
|
||
|
|
}
|
||
|
|
static isVisible(element) {
|
||
|
|
return element && element.offsetParent != null;
|
||
|
|
}
|
||
|
|
static isExist(element) {
|
||
|
|
return element !== null && typeof element !== 'undefined' && element.nodeName && element.parentNode;
|
||
|
|
}
|
||
|
|
static focus(element, options) {
|
||
|
|
element && document.activeElement !== element && element.focus(options);
|
||
|
|
}
|
||
|
|
static getFocusableSelectorString(selector = '') {
|
||
|
|
return `button:not([tabindex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden])${selector},
|
||
|
|
[href][clientHeight][clientWidth]:not([tabindex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden])${selector},
|
||
|
|
input:not([tabindex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden])${selector},
|
||
|
|
select:not([tabindex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden])${selector},
|
||
|
|
textarea:not([tabindex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden])${selector},
|
||
|
|
[tabIndex]:not([tabIndex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden])${selector},
|
||
|
|
[contenteditable]:not([tabIndex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden])${selector},
|
||
|
|
.p-inputtext:not([tabindex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden])${selector},
|
||
|
|
.p-button:not([tabindex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden])${selector}`;
|
||
|
|
}
|
||
|
|
static getFocusableElements(element, selector = '') {
|
||
|
|
let focusableElements = this.find(element, this.getFocusableSelectorString(selector));
|
||
|
|
let visibleFocusableElements = [];
|
||
|
|
for (let focusableElement of focusableElements) {
|
||
|
|
const computedStyle = getComputedStyle(focusableElement);
|
||
|
|
if (this.isVisible(focusableElement) && computedStyle.display != 'none' && computedStyle.visibility != 'hidden')
|
||
|
|
visibleFocusableElements.push(focusableElement);
|
||
|
|
}
|
||
|
|
return visibleFocusableElements;
|
||
|
|
}
|
||
|
|
static getFocusableElement(element, selector = '') {
|
||
|
|
let focusableElement = this.findSingle(element, this.getFocusableSelectorString(selector));
|
||
|
|
if (focusableElement) {
|
||
|
|
const computedStyle = getComputedStyle(focusableElement);
|
||
|
|
if (this.isVisible(focusableElement) && computedStyle.display != 'none' && computedStyle.visibility != 'hidden')
|
||
|
|
return focusableElement;
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
static getFirstFocusableElement(element, selector) {
|
||
|
|
const focusableElements = this.getFocusableElements(element, selector);
|
||
|
|
return focusableElements.length > 0 ? focusableElements[0] : null;
|
||
|
|
}
|
||
|
|
static getLastFocusableElement(element, selector) {
|
||
|
|
const focusableElements = this.getFocusableElements(element, selector);
|
||
|
|
return focusableElements.length > 0 ? focusableElements[focusableElements.length - 1] : null;
|
||
|
|
}
|
||
|
|
static getNextFocusableElement(element, reverse = false) {
|
||
|
|
const focusableElements = DomHandler.getFocusableElements(element);
|
||
|
|
let index = 0;
|
||
|
|
if (focusableElements && focusableElements.length > 0) {
|
||
|
|
const focusedIndex = focusableElements.indexOf(focusableElements[0].ownerDocument.activeElement);
|
||
|
|
if (reverse) {
|
||
|
|
if (focusedIndex == -1 || focusedIndex === 0) {
|
||
|
|
index = focusableElements.length - 1;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
index = focusedIndex - 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (focusedIndex != -1 && focusedIndex !== focusableElements.length - 1) {
|
||
|
|
index = focusedIndex + 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return focusableElements[index];
|
||
|
|
}
|
||
|
|
static generateZIndex() {
|
||
|
|
this.zindex = this.zindex || 999;
|
||
|
|
return ++this.zindex;
|
||
|
|
}
|
||
|
|
static getSelection() {
|
||
|
|
if (window.getSelection)
|
||
|
|
return window.getSelection().toString();
|
||
|
|
else if (document.getSelection)
|
||
|
|
return document.getSelection().toString();
|
||
|
|
else if (document['selection'])
|
||
|
|
return document['selection'].createRange().text;
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
static getTargetElement(target, el) {
|
||
|
|
if (!target)
|
||
|
|
return null;
|
||
|
|
switch (target) {
|
||
|
|
case 'document':
|
||
|
|
return document;
|
||
|
|
case 'window':
|
||
|
|
return window;
|
||
|
|
case '@next':
|
||
|
|
return el?.nextElementSibling;
|
||
|
|
case '@prev':
|
||
|
|
return el?.previousElementSibling;
|
||
|
|
case '@parent':
|
||
|
|
return el?.parentElement;
|
||
|
|
case '@grandparent':
|
||
|
|
return el?.parentElement.parentElement;
|
||
|
|
default:
|
||
|
|
const type = typeof target;
|
||
|
|
if (type === 'string') {
|
||
|
|
return document.querySelector(target);
|
||
|
|
}
|
||
|
|
else if (type === 'object' && target.hasOwnProperty('nativeElement')) {
|
||
|
|
return this.isExist(target.nativeElement) ? target.nativeElement : undefined;
|
||
|
|
}
|
||
|
|
const isFunction = (obj) => !!(obj && obj.constructor && obj.call && obj.apply);
|
||
|
|
const element = isFunction(target) ? target() : target;
|
||
|
|
return (element && element.nodeType === 9) || this.isExist(element) ? element : null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
static isClient() {
|
||
|
|
return !!(typeof window !== 'undefined' && window.document && window.document.createElement);
|
||
|
|
}
|
||
|
|
static getAttribute(element, name) {
|
||
|
|
if (element) {
|
||
|
|
const value = element.getAttribute(name);
|
||
|
|
if (!isNaN(value)) {
|
||
|
|
return +value;
|
||
|
|
}
|
||
|
|
if (value === 'true' || value === 'false') {
|
||
|
|
return value === 'true';
|
||
|
|
}
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
return undefined;
|
||
|
|
}
|
||
|
|
static calculateBodyScrollbarWidth() {
|
||
|
|
return window.innerWidth - document.documentElement.offsetWidth;
|
||
|
|
}
|
||
|
|
static blockBodyScroll(className = 'p-overflow-hidden') {
|
||
|
|
document.body.style.setProperty('--scrollbar-width', this.calculateBodyScrollbarWidth() + 'px');
|
||
|
|
this.addClass(document.body, className);
|
||
|
|
}
|
||
|
|
static unblockBodyScroll(className = 'p-overflow-hidden') {
|
||
|
|
document.body.style.removeProperty('--scrollbar-width');
|
||
|
|
this.removeClass(document.body, className);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
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