primeng
Version:
[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primeng) [ • 21.7 kB
JavaScript
/**
* @dynamic is for runtime initializing DomHandler.browser
*
* If delete below comment, we can see this error message:
* Metadata collected contains an error that will be reported at runtime:
* Only initialized variables and constants can be referenced
* because the value of this variable is needed by the template compiler.
*/
// @dynamic
class DomHandler {
static addClass(element, className) {
if (element.classList)
element.classList.add(className);
else
element.className += ' ' + className;
}
static addMultipleClasses(element, className) {
if (element.classList) {
let styles = className.trim().split(' ');
for (let i = 0; i < styles.length; i++) {
element.classList.add(styles[i]);
}
}
else {
let styles = className.split(' ');
for (let i = 0; i < styles.length; i++) {
element.className += ' ' + styles[i];
}
}
}
static removeClass(element, className) {
if (element.classList)
element.classList.remove(className);
else
element.className = element.className.replace(new RegExp('(^|\\b)' + className.split(' ').join('|') + '(\\b|$)', 'gi'), ' ');
}
static hasClass(element, className) {
if (element.classList)
return element.classList.contains(className);
else
return new RegExp('(^| )' + className + '( |$)', 'gi').test(element.className);
}
static siblings(element) {
return Array.prototype.filter.call(element.parentNode.children, function (child) {
return child !== element;
});
}
static find(element, selector) {
return Array.from(element.querySelectorAll(selector));
}
static findSingle(element, selector) {
if (element) {
return element.querySelector(selector);
}
return null;
}
static index(element) {
let children = element.parentNode.childNodes;
let num = 0;
for (var i = 0; i < children.length; i++) {
if (children[i] == element)
return num;
if (children[i].nodeType == 1)
num++;
}
return -1;
}
static indexWithinGroup(element, attributeName) {
let children = element.parentNode ? element.parentNode.childNodes : [];
let num = 0;
for (var i = 0; i < children.length; i++) {
if (children[i] == element)
return num;
if (children[i].attributes && children[i].attributes[attributeName] && children[i].nodeType == 1)
num++;
}
return -1;
}
static relativePosition(element, target) {
let elementDimensions = element.offsetParent ? { width: element.offsetWidth, height: element.offsetHeight } : this.getHiddenElementDimensions(element);
const targetHeight = target.offsetHeight;
const targetOffset = target.getBoundingClientRect();
const viewport = this.getViewport();
let top, left;
if ((targetOffset.top + targetHeight + elementDimensions.height) > viewport.height) {
top = -1 * (elementDimensions.height);
element.style.transformOrigin = 'bottom';
if (targetOffset.top + top < 0) {
top = -1 * targetOffset.top;
}
}
else {
top = targetHeight;
element.style.transformOrigin = 'top';
}
if (elementDimensions.width > viewport.width) {
// element wider then viewport and cannot fit on screen (align at left side of viewport)
left = targetOffset.left * -1;
}
else if ((targetOffset.left + elementDimensions.width) > viewport.width) {
// element wider then viewport but can be fit on screen (align at right side of viewport)
left = (targetOffset.left + elementDimensions.width - viewport.width) * -1;
}
else {
// element fits on screen (align with target)
left = 0;
}
element.style.top = top + 'px';
element.style.left = left + 'px';
}
static absolutePosition(element, target) {
let elementDimensions = element.offsetParent ? { width: element.offsetWidth, height: element.offsetHeight } : this.getHiddenElementDimensions(element);
let elementOuterHeight = elementDimensions.height;
let elementOuterWidth = elementDimensions.width;
let targetOuterHeight = target.offsetHeight;
let targetOuterWidth = target.offsetWidth;
let targetOffset = target.getBoundingClientRect();
let windowScrollTop = this.getWindowScrollTop();
let windowScrollLeft = this.getWindowScrollLeft();
let viewport = this.getViewport();
let top, left;
if (targetOffset.top + targetOuterHeight + elementOuterHeight > viewport.height) {
top = targetOffset.top + windowScrollTop - elementOuterHeight;
element.style.transformOrigin = 'bottom';
if (top < 0) {
top = windowScrollTop;
}
}
else {
top = targetOuterHeight + targetOffset.top + windowScrollTop;
element.style.transformOrigin = 'top';
}
if (targetOffset.left + elementOuterWidth > viewport.width)
left = Math.max(0, targetOffset.left + windowScrollLeft + targetOuterWidth - elementOuterWidth);
else
left = targetOffset.left + windowScrollLeft;
element.style.top = top + 'px';
element.style.left = left + 'px';
}
static getParents(element, parents = []) {
return element['parentNode'] === null ? parents : this.getParents(element.parentNode, parents.concat([element.parentNode]));
}
static getScrollableParents(element) {
let scrollableParents = [];
if (element) {
let parents = this.getParents(element);
const overflowRegex = /(auto|scroll)/;
const overflowCheck = (node) => {
let styleDeclaration = window['getComputedStyle'](node, null);
return overflowRegex.test(styleDeclaration.getPropertyValue('overflow')) || overflowRegex.test(styleDeclaration.getPropertyValue('overflowX')) || overflowRegex.test(styleDeclaration.getPropertyValue('overflowY'));
};
for (let parent of parents) {
let scrollSelectors = parent.nodeType === 1 && parent.dataset['scrollselectors'];
if (scrollSelectors) {
let selectors = scrollSelectors.split(',');
for (let selector of selectors) {
let el = this.findSingle(parent, selector);
if (el && overflowCheck(el)) {
scrollableParents.push(el);
}
}
}
if (parent.nodeType !== 9 && overflowCheck(parent)) {
scrollableParents.push(parent);
}
}
}
return scrollableParents;
}
static getHiddenElementOuterHeight(element) {
element.style.visibility = 'hidden';
element.style.display = 'block';
let elementHeight = element.offsetHeight;
element.style.display = 'none';
element.style.visibility = 'visible';
return elementHeight;
}
static getHiddenElementOuterWidth(element) {
element.style.visibility = 'hidden';
element.style.display = 'block';
let elementWidth = element.offsetWidth;
element.style.display = 'none';
element.style.visibility = 'visible';
return elementWidth;
}
static getHiddenElementDimensions(element) {
let dimensions = {};
element.style.visibility = 'hidden';
element.style.display = 'block';
dimensions.width = element.offsetWidth;
dimensions.height = element.offsetHeight;
element.style.display = 'none';
element.style.visibility = 'visible';
return dimensions;
}
static scrollInView(container, item) {
let borderTopValue = getComputedStyle(container).getPropertyValue('borderTopWidth');
let borderTop = borderTopValue ? parseFloat(borderTopValue) : 0;
let paddingTopValue = getComputedStyle(container).getPropertyValue('paddingTop');
let paddingTop = paddingTopValue ? parseFloat(paddingTopValue) : 0;
let containerRect = container.getBoundingClientRect();
let itemRect = item.getBoundingClientRect();
let offset = (itemRect.top + document.body.scrollTop) - (containerRect.top + document.body.scrollTop) - borderTop - paddingTop;
let scroll = container.scrollTop;
let elementHeight = container.clientHeight;
let itemHeight = this.getOuterHeight(item);
if (offset < 0) {
container.scrollTop = scroll + offset;
}
else if ((offset + itemHeight) > elementHeight) {
container.scrollTop = scroll + offset - elementHeight + itemHeight;
}
}
static fadeIn(element, duration) {
element.style.opacity = 0;
let last = +new Date();
let opacity = 0;
let tick = function () {
opacity = +element.style.opacity.replace(",", ".") + (new Date().getTime() - last) / duration;
element.style.opacity = opacity;
last = +new Date();
if (+opacity < 1) {
(window.requestAnimationFrame && requestAnimationFrame(tick)) || setTimeout(tick, 16);
}
};
tick();
}
static fadeOut(element, ms) {
var opacity = 1, interval = 50, duration = ms, gap = interval / duration;
let fading = setInterval(() => {
opacity = opacity - gap;
if (opacity <= 0) {
opacity = 0;
clearInterval(fading);
}
element.style.opacity = opacity;
}, interval);
}
static getWindowScrollTop() {
let doc = document.documentElement;
return (window.pageYOffset || doc.scrollTop) - (doc.clientTop || 0);
}
static getWindowScrollLeft() {
let doc = document.documentElement;
return (window.pageXOffset || doc.scrollLeft) - (doc.clientLeft || 0);
}
static matches(element, selector) {
var p = Element.prototype;
var f = p['matches'] || p.webkitMatchesSelector || p['mozMatchesSelector'] || p['msMatchesSelector'] || function (s) {
return [].indexOf.call(document.querySelectorAll(s), this) !== -1;
};
return f.call(element, selector);
}
static getOuterWidth(el, margin) {
let width = el.offsetWidth;
if (margin) {
let style = getComputedStyle(el);
width += parseFloat(style.marginLeft) + parseFloat(style.marginRight);
}
return width;
}
static getHorizontalPadding(el) {
let style = getComputedStyle(el);
return parseFloat(style.paddingLeft) + parseFloat(style.paddingRight);
}
static getHorizontalMargin(el) {
let style = getComputedStyle(el);
return parseFloat(style.marginLeft) + parseFloat(style.marginRight);
}
static innerWidth(el) {
let width = el.offsetWidth;
let style = getComputedStyle(el);
width += parseFloat(style.paddingLeft) + parseFloat(style.paddingRight);
return width;
}
static width(el) {
let width = el.offsetWidth;
let style = getComputedStyle(el);
width -= parseFloat(style.paddingLeft) + parseFloat(style.paddingRight);
return width;
}
static getInnerHeight(el) {
let height = el.offsetHeight;
let style = getComputedStyle(el);
height += parseFloat(style.paddingTop) + parseFloat(style.paddingBottom);
return height;
}
static getOuterHeight(el, margin) {
let height = el.offsetHeight;
if (margin) {
let style = getComputedStyle(el);
height += parseFloat(style.marginTop) + parseFloat(style.marginBottom);
}
return height;
}
static getHeight(el) {
let height = el.offsetHeight;
let style = getComputedStyle(el);
height -= parseFloat(style.paddingTop) + parseFloat(style.paddingBottom) + parseFloat(style.borderTopWidth) + parseFloat(style.borderBottomWidth);
return height;
}
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() {
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.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.offsetParent === null;
}
static getFocusableElements(element) {
let focusableElements = DomHandler.find(element, `button:not([tabindex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden]),
[href][clientHeight][clientWidth]:not([tabindex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden]),
input:not([tabindex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden]), select:not([tabindex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden]),
textarea:not([tabindex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden]), [tabIndex]:not([tabIndex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden]),
[contenteditable]:not([tabIndex = "-1"]):not([disabled]):not([style*="display:none"]):not([hidden]):not(.p-disabled)`);
let visibleFocusableElements = [];
for (let focusableElement of focusableElements) {
if (getComputedStyle(focusableElement).display != "none" && getComputedStyle(focusableElement).visibility != "hidden")
visibleFocusableElements.push(focusableElement);
}
return visibleFocusableElements;
}
static generateZIndex() {
this.zindex = this.zindex || 999;
return ++this.zindex;
}
}
DomHandler.zindex = 1000;
DomHandler.calculatedScrollbarWidth = null;
DomHandler.calculatedScrollbarHeight = null;
class ConnectedOverlayScrollHandler {
constructor(element, listener = () => { }) {
this.element = element;
this.listener = listener;
}
bindScrollListener() {
this.scrollableParents = DomHandler.getScrollableParents(this.element);
for (let i = 0; i < this.scrollableParents.length; i++) {
this.scrollableParents[i].addEventListener('scroll', this.listener);
}
}
unbindScrollListener() {
if (this.scrollableParents) {
for (let i = 0; i < this.scrollableParents.length; i++) {
this.scrollableParents[i].removeEventListener('scroll', this.listener);
}
}
}
destroy() {
this.unbindScrollListener();
this.element = null;
this.listener = null;
this.scrollableParents = null;
}
}
/**
* Generated bundle index. Do not edit.
*/
export { ConnectedOverlayScrollHandler, DomHandler };
//# sourceMappingURL=primeng-dom.mjs.map