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ympd/dist/htdocs/js/bootstrap-native-v4.js

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fix: moved 3-party sources and buildtools to dist directory
2018-07-30 22:05:37 +00:00
// Native Javascript for Bootstrap 4 v2.0.23 | © dnp_theme | MIT-License
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD support:
define([], factory);
} else if (typeof module === 'object' && module.exports) {
// CommonJS-like:
module.exports = factory();
} else {
// Browser globals (root is window)
var bsn = factory();
root.Alert = bsn.Alert;
root.Button = bsn.Button;
root.Carousel = bsn.Carousel;
root.Collapse = bsn.Collapse;
root.Dropdown = bsn.Dropdown;
root.Modal = bsn.Modal;
root.Popover = bsn.Popover;
root.ScrollSpy = bsn.ScrollSpy;
root.Tab = bsn.Tab;
root.Tooltip = bsn.Tooltip;
}
}(this, function () {
/* Native Javascript for Bootstrap 4 | Internal Utility Functions
----------------------------------------------------------------*/
"use strict";
// globals
var globalObject = typeof global !== 'undefined' ? global : this||window,
DOC = document, HTML = DOC.documentElement, body = 'body', // allow the library to be used in <head>
// Native Javascript for Bootstrap Global Object
BSN = globalObject.BSN = {},
supports = BSN.supports = [],
// function toggle attributes
dataToggle = 'data-toggle',
dataDismiss = 'data-dismiss',
dataSpy = 'data-spy',
dataRide = 'data-ride',
// components
stringAlert = 'Alert',
stringButton = 'Button',
stringCarousel = 'Carousel',
stringCollapse = 'Collapse',
stringDropdown = 'Dropdown',
stringModal = 'Modal',
stringPopover = 'Popover',
stringScrollSpy = 'ScrollSpy',
stringTab = 'Tab',
stringTooltip = 'Tooltip',
// options DATA API
databackdrop = 'data-backdrop',
dataKeyboard = 'data-keyboard',
dataTarget = 'data-target',
dataInterval = 'data-interval',
dataHeight = 'data-height',
dataPause = 'data-pause',
dataTitle = 'data-title',
dataOriginalTitle = 'data-original-title',
dataOriginalText = 'data-original-text',
dataDismissible = 'data-dismissible',
dataTrigger = 'data-trigger',
dataAnimation = 'data-animation',
dataContainer = 'data-container',
dataPlacement = 'data-placement',
dataDelay = 'data-delay',
dataOffsetTop = 'data-offset-top',
dataOffsetBottom = 'data-offset-bottom',
// option keys
backdrop = 'backdrop', keyboard = 'keyboard', delay = 'delay',
content = 'content', target = 'target',
interval = 'interval', pause = 'pause', animation = 'animation',
placement = 'placement', container = 'container',
// box model
offsetTop = 'offsetTop', offsetBottom = 'offsetBottom',
offsetLeft = 'offsetLeft',
scrollTop = 'scrollTop', scrollLeft = 'scrollLeft',
clientWidth = 'clientWidth', clientHeight = 'clientHeight',
offsetWidth = 'offsetWidth', offsetHeight = 'offsetHeight',
innerWidth = 'innerWidth', innerHeight = 'innerHeight',
scrollHeight = 'scrollHeight', height = 'height',
// aria
ariaExpanded = 'aria-expanded',
ariaHidden = 'aria-hidden',
// event names
clickEvent = 'click',
hoverEvent = 'hover',
keydownEvent = 'keydown',
keyupEvent = 'keyup',
resizeEvent = 'resize',
scrollEvent = 'scroll',
// originalEvents
showEvent = 'show',
shownEvent = 'shown',
hideEvent = 'hide',
hiddenEvent = 'hidden',
closeEvent = 'close',
closedEvent = 'closed',
slidEvent = 'slid',
slideEvent = 'slide',
changeEvent = 'change',
// other
getAttribute = 'getAttribute',
setAttribute = 'setAttribute',
hasAttribute = 'hasAttribute',
createElement = 'createElement',
appendChild = 'appendChild',
innerHTML = 'innerHTML',
getElementsByTagName = 'getElementsByTagName',
preventDefault = 'preventDefault',
getBoundingClientRect = 'getBoundingClientRect',
querySelectorAll = 'querySelectorAll',
getElementsByCLASSNAME = 'getElementsByClassName',
getComputedStyle = 'getComputedStyle',
indexOf = 'indexOf',
parentNode = 'parentNode',
length = 'length',
toLowerCase = 'toLowerCase',
Transition = 'Transition',
Duration = 'Duration',
Webkit = 'Webkit',
style = 'style',
push = 'push',
tabindex = 'tabindex',
contains = 'contains',
active = 'active',
showClass = 'show',
collapsing = 'collapsing',
disabled = 'disabled',
loading = 'loading',
left = 'left',
right = 'right',
top = 'top',
bottom = 'bottom',
// tooltip / popover
mouseHover = ('onmouseleave' in DOC) ? [ 'mouseenter', 'mouseleave'] : [ 'mouseover', 'mouseout' ],
tipPositions = /\b(top|bottom|left|right)+/,
// modal
modalOverlay = 0,
fixedTop = 'fixed-top',
fixedBottom = 'fixed-bottom',
// transitionEnd since 2.0.4
supportTransitions = Webkit+Transition in HTML[style] || Transition[toLowerCase]() in HTML[style],
transitionEndEvent = Webkit+Transition in HTML[style] ? Webkit[toLowerCase]()+Transition+'End' : Transition[toLowerCase]()+'end',
transitionDuration = Webkit+Duration in HTML[style] ? Webkit[toLowerCase]()+Transition+Duration : Transition[toLowerCase]()+Duration,
// set new focus element since 2.0.3
setFocus = function(element){
element.focus ? element.focus() : element.setActive();
},
// class manipulation, since 2.0.0 requires polyfill.js
addClass = function(element,classNAME) {
element.classList.add(classNAME);
},
removeClass = function(element,classNAME) {
element.classList.remove(classNAME);
},
hasClass = function(element,classNAME){ // since 2.0.0
return element.classList[contains](classNAME);
},
// selection methods
getElementsByClassName = function(element,classNAME) { // returns Array
return [].slice.call(element[getElementsByCLASSNAME]( classNAME ));
},
queryElement = function (selector, parent) {
var lookUp = parent ? parent : DOC;
return typeof selector === 'object' ? selector : lookUp.querySelector(selector);
},
getClosest = function (element, selector) { //element is the element and selector is for the closest parent element to find
// source http://gomakethings.com/climbing-up-and-down-the-dom-tree-with-vanilla-javascript/
var firstChar = selector.charAt(0), selectorSubstring = selector.substr(1);
if ( firstChar === '.' ) {// If selector is a class
for ( ; element && element !== DOC; element = element[parentNode] ) { // Get closest match
if ( queryElement(selector,element[parentNode]) !== null && hasClass(element,selectorSubstring) ) { return element; }
}
} else if ( firstChar === '#' ) { // If selector is an ID
for ( ; element && element !== DOC; element = element[parentNode] ) { // Get closest match
if ( element.id === selectorSubstring ) { return element; }
}
}
return false;
},
// event attach jQuery style / trigger since 1.2.0
on = function (element, event, handler) {
element.addEventListener(event, handler, false);
},
off = function(element, event, handler) {
element.removeEventListener(event, handler, false);
},
one = function (element, event, handler) { // one since 2.0.4
on(element, event, function handlerWrapper(e){
handler(e);
off(element, event, handlerWrapper);
});
},
getTransitionDurationFromElement = function(element) {
var duration = globalObject[getComputedStyle](element)[transitionDuration];
duration = parseFloat(duration);
duration = typeof duration === 'number' && !isNaN(duration) ? duration * 1000 : 0;
return duration + 50; // we take a short offset to make sure we fire on the next frame after animation
},
emulateTransitionEnd = function(element,handler){ // emulateTransitionEnd since 2.0.4
var called = 0, duration = getTransitionDurationFromElement(element);
supportTransitions && one(element, transitionEndEvent, function(e){ handler(e); called = 1; });
setTimeout(function() { !called && handler(); }, duration);
},
bootstrapCustomEvent = function (eventName, componentName, related) {
var OriginalCustomEvent = new CustomEvent( eventName + '.bs.' + componentName);
OriginalCustomEvent.relatedTarget = related;
this.dispatchEvent(OriginalCustomEvent);
},
// tooltip / popover stuff
getScroll = function() { // also Affix and ScrollSpy uses it
return {
y : globalObject.pageYOffset || HTML[scrollTop],
x : globalObject.pageXOffset || HTML[scrollLeft]
}
},
styleTip = function(link,element,position,parent) { // both popovers and tooltips (target,tooltip,placement,elementToAppendTo)
var elementDimensions = { w : element[offsetWidth], h: element[offsetHeight] },
windowWidth = (HTML[clientWidth] || DOC[body][clientWidth]),
windowHeight = (HTML[clientHeight] || DOC[body][clientHeight]),
rect = link[getBoundingClientRect](),
scroll = parent === DOC[body] ? getScroll() : { x: parent[offsetLeft] + parent[scrollLeft], y: parent[offsetTop] + parent[scrollTop] },
linkDimensions = { w: rect[right] - rect[left], h: rect[bottom] - rect[top] },
isPopover = hasClass(element,'popover'),
topPosition, leftPosition,
arrow = queryElement('.arrow',element),
arrowTop, arrowLeft, arrowWidth, arrowHeight,
halfTopExceed = rect[top] + linkDimensions.h/2 - elementDimensions.h/2 < 0,
halfLeftExceed = rect[left] + linkDimensions.w/2 - elementDimensions.w/2 < 0,
halfRightExceed = rect[left] + elementDimensions.w/2 + linkDimensions.w/2 >= windowWidth,
halfBottomExceed = rect[top] + elementDimensions.h/2 + linkDimensions.h/2 >= windowHeight,
topExceed = rect[top] - elementDimensions.h < 0,
leftExceed = rect[left] - elementDimensions.w < 0,
bottomExceed = rect[top] + elementDimensions.h + linkDimensions.h >= windowHeight,
rightExceed = rect[left] + elementDimensions.w + linkDimensions.w >= windowWidth;
// recompute position
position = (position === left || position === right) && leftExceed && rightExceed ? top : position; // first, when both left and right limits are exceeded, we fall back to top|bottom
position = position === top && topExceed ? bottom : position;
position = position === bottom && bottomExceed ? top : position;
position = position === left && leftExceed ? right : position;
position = position === right && rightExceed ? left : position;
// update tooltip/popover class
element.className[indexOf](position) === -1 && (element.className = element.className.replace(tipPositions,position));
// we check the computed width & height and update here
arrowWidth = arrow[offsetWidth]; arrowHeight = arrow[offsetHeight];
// apply styling to tooltip or popover
if ( position === left || position === right ) { // secondary|side positions
if ( position === left ) { // LEFT
leftPosition = rect[left] + scroll.x - elementDimensions.w - ( isPopover ? arrowWidth : 0 );
} else { // RIGHT
leftPosition = rect[left] + scroll.x + linkDimensions.w;
}
// adjust top and arrow
if (halfTopExceed) {
topPosition = rect[top] + scroll.y;
arrowTop = linkDimensions.h/2 - arrowWidth;
} else if (halfBottomExceed) {
topPosition = rect[top] + scroll.y - elementDimensions.h + linkDimensions.h;
arrowTop = elementDimensions.h - linkDimensions.h/2 - arrowWidth;
} else {
topPosition = rect[top] + scroll.y - elementDimensions.h/2 + linkDimensions.h/2;
arrowTop = elementDimensions.h/2 - (isPopover ? arrowHeight*0.9 : arrowHeight/2);
}
} else if ( position === top || position === bottom ) { // primary|vertical positions
if ( position === top) { // TOP
topPosition = rect[top] + scroll.y - elementDimensions.h - ( isPopover ? arrowHeight : 0 );
} else { // BOTTOM
topPosition = rect[top] + scroll.y + linkDimensions.h;
}
// adjust left | right and also the arrow
if (halfLeftExceed) {
leftPosition = 0;
arrowLeft = rect[left] + linkDimensions.w/2 - arrowWidth;
} else if (halfRightExceed) {
leftPosition = windowWidth - elementDimensions.w*1.01;
arrowLeft = elementDimensions.w - ( windowWidth - rect[left] ) + linkDimensions.w/2 - arrowWidth/2;
} else {
leftPosition = rect[left] + scroll.x - elementDimensions.w/2 + linkDimensions.w/2;
arrowLeft = elementDimensions.w/2 - arrowWidth/2;
}
}
// apply style to tooltip/popover and its arrow
element[style][top] = topPosition + 'px';
element[style][left] = leftPosition + 'px';
arrowTop && (arrow[style][top] = arrowTop + 'px');
arrowLeft && (arrow[style][left] = arrowLeft + 'px');
};
BSN.version = '2.0.23';
/* Native Javascript for Bootstrap 4 | Alert
-------------------------------------------*/
// ALERT DEFINITION
// ================
var Alert = function( element ) {
// initialization element
element = queryElement(element);
// bind, target alert, duration and stuff
var self = this, component = 'alert',
alert = getClosest(element,'.'+component),
triggerHandler = function(){ hasClass(alert,'fade') ? emulateTransitionEnd(alert,transitionEndHandler) : transitionEndHandler(); },
// handlers
clickHandler = function(e){
alert = getClosest(e[target],'.'+component);
element = queryElement('['+dataDismiss+'="'+component+'"]',alert);
element && alert && (element === e[target] || element[contains](e[target])) && self.close();
},
transitionEndHandler = function(){
bootstrapCustomEvent.call(alert, closedEvent, component);
off(element, clickEvent, clickHandler); // detach it's listener
alert[parentNode].removeChild(alert);
};
// public method
this.close = function() {
if ( alert && element && hasClass(alert,showClass) ) {
bootstrapCustomEvent.call(alert, closeEvent, component);
removeClass(alert,showClass);
alert && triggerHandler();
}
};
// init
if ( !(stringAlert in element ) ) { // prevent adding event handlers twice
on(element, clickEvent, clickHandler);
}
element[stringAlert] = self;
};
// ALERT DATA API
// ==============
supports[push]([stringAlert, Alert, '['+dataDismiss+'="alert"]']);
/* Native Javascript for Bootstrap 4 | Button
---------------------------------------------*/
// BUTTON DEFINITION
// ===================
var Button = function( element ) {
// initialization element
element = queryElement(element);
// constant
var toggled = false, // toggled makes sure to prevent triggering twice the change.bs.button events
// strings
component = 'button',
checked = 'checked',
reset = 'reset',
LABEL = 'LABEL',
INPUT = 'INPUT',
// private methods
keyHandler = function(e){
var key = e.which || e.keyCode;
key === 32 && e[target] === DOC.activeElement && toggle(e);
},
preventScroll = function(e){
var key = e.which || e.keyCode;
key === 32 && e[preventDefault]();
},
toggle = function(e) {
var label = e[target].tagName === LABEL ? e[target] : e[target][parentNode].tagName === LABEL ? e[target][parentNode] : null; // the .btn label
if ( !label ) return; //react if a label or its immediate child is clicked
var eventTarget = e[target], // the button itself, the target of the handler function
labels = getElementsByClassName(eventTarget[parentNode],'btn'), // all the button group buttons
input = label[getElementsByTagName](INPUT)[0];
if ( !input ) return; //return if no input found
// manage the dom manipulation
if ( input.type === 'checkbox' ) { //checkboxes
if ( !input[checked] ) {
addClass(label,active);
input[getAttribute](checked);
input[setAttribute](checked,checked);
input[checked] = true;
} else {
removeClass(label,active);
input[getAttribute](checked);
input.removeAttribute(checked);
input[checked] = false;
}
if (!toggled) { // prevent triggering the event twice
toggled = true;
bootstrapCustomEvent.call(input, changeEvent, component); //trigger the change for the input
bootstrapCustomEvent.call(element, changeEvent, component); //trigger the change for the btn-group
}
}
if ( input.type === 'radio' && !toggled ) { // radio buttons
if ( !input[checked] ) { // don't trigger if already active
addClass(label,active);
input[setAttribute](checked,checked);
input[checked] = true;
bootstrapCustomEvent.call(input, changeEvent, component); //trigger the change for the input
bootstrapCustomEvent.call(element, changeEvent, component); //trigger the change for the btn-group
toggled = true;
for (var i = 0, ll = labels[length]; i<ll; i++) {
var otherLabel = labels[i], otherInput = otherLabel[getElementsByTagName](INPUT)[0];
if ( otherLabel !== label && hasClass(otherLabel,active) ) {
removeClass(otherLabel,active);
otherInput.removeAttribute(checked);
otherInput[checked] = false;
bootstrapCustomEvent.call(otherInput, changeEvent, component); // trigger the change
}
}
}
}
setTimeout( function() { toggled = false; }, 50 );
};
// init
if ( !( stringButton in element ) ) { // prevent adding event handlers twice
on( element, clickEvent, toggle );
queryElement('['+tabindex+']',element) && on( element, keyupEvent, keyHandler ),
on( element, keydownEvent, preventScroll );
}
// activate items on load
var labelsToACtivate = getElementsByClassName(element, 'btn'), lbll = labelsToACtivate[length];
for (var i=0; i<lbll; i++) {
!hasClass(labelsToACtivate[i],active) && queryElement('input:checked',labelsToACtivate[i])
&& addClass(labelsToACtivate[i],active);
}
element[stringButton] = this;
};
// BUTTON DATA API
// =================
supports[push]( [ stringButton, Button, '['+dataToggle+'="buttons"]' ] );
/* Native Javascript for Bootstrap 4 | Carousel
----------------------------------------------*/
// CAROUSEL DEFINITION
// ===================
var Carousel = function( element, options ) {
// initialization element
element = queryElement( element );
// set options
options = options || {};
// DATA API
var intervalAttribute = element[getAttribute](dataInterval),
intervalOption = options[interval],
intervalData = intervalAttribute === 'false' ? 0 : parseInt(intervalAttribute),
pauseData = element[getAttribute](dataPause) === hoverEvent || false,
keyboardData = element[getAttribute](dataKeyboard) === 'true' || false,
// strings
component = 'carousel',
paused = 'paused',
direction = 'direction',
carouselItem = 'carousel-item',
dataSlideTo = 'data-slide-to';
this[keyboard] = options[keyboard] === true || keyboardData;
this[pause] = (options[pause] === hoverEvent || pauseData) ? hoverEvent : false; // false / hover
this[interval] = typeof intervalOption === 'number' ? intervalOption
: intervalOption === false || intervalData === 0 || intervalData === false ? 0
: 5000; // bootstrap carousel default interval
// bind, event targets
var self = this, index = element.index = 0, timer = element.timer = 0,
isSliding = false, // isSliding prevents click event handlers when animation is running
slides = getElementsByClassName(element,carouselItem), total = slides[length],
slideDirection = this[direction] = left,
leftArrow = getElementsByClassName(element,component+'-control-prev')[0],
rightArrow = getElementsByClassName(element,component+'-control-next')[0],
indicator = queryElement( '.'+component+'-indicators', element ),
indicators = indicator && indicator[getElementsByTagName]( "LI" ) || [];
// handlers
var pauseHandler = function () {
if ( self[interval] !==false && !hasClass(element,paused) ) {
addClass(element,paused);
!isSliding && clearInterval( timer );
}
},
resumeHandler = function() {
if ( self[interval] !== false && hasClass(element,paused) ) {
removeClass(element,paused);
!isSliding && clearInterval( timer );
!isSliding && self.cycle();
}
},
indicatorHandler = function(e) {
e[preventDefault]();
if (isSliding) return;
var eventTarget = e[target]; // event target | the current active item
if ( eventTarget && !hasClass(eventTarget,active) && eventTarget[getAttribute](dataSlideTo) ) {
index = parseInt( eventTarget[getAttribute](dataSlideTo), 10 );
} else { return false; }
self.slideTo( index ); //Do the slide
},
controlsHandler = function (e) {
e[preventDefault]();
if (isSliding) return;
var eventTarget = e.currentTarget || e.srcElement;
if ( eventTarget === rightArrow ) {
index++;
} else if ( eventTarget === leftArrow ) {
index--;
}
self.slideTo( index ); //Do the slide
},
keyHandler = function (e) {
if (isSliding) return;
switch (e.which) {
case 39:
index++;
break;
case 37:
index--;
break;
default: return;
}
self.slideTo( index ); //Do the slide
},
// private methods
isElementInScrollRange = function () {
var rect = element[getBoundingClientRect](),
viewportHeight = globalObject[innerHeight] || HTML[clientHeight]
return rect[top] <= viewportHeight && rect[bottom] >= 0; // bottom && top
},
setActivePage = function( pageIndex ) { //indicators
for ( var i = 0, icl = indicators[length]; i < icl; i++ ) {
removeClass(indicators[i],active);
}
if (indicators[pageIndex]) addClass(indicators[pageIndex], active);
};
// public methods
this.cycle = function() {
timer = setInterval(function() {
isElementInScrollRange() && (index++, self.slideTo( index ) );
}, this[interval]);
};
this.slideTo = function( next ) {
if (isSliding) return; // when controled via methods, make sure to check again
var activeItem = this.getActiveIndex(), // the current active
orientation;
// determine slideDirection first
if ( (activeItem < next ) || (activeItem === 0 && next === total -1 ) ) {
slideDirection = self[direction] = left; // next
} else if ( (activeItem > next) || (activeItem === total - 1 && next === 0 ) ) {
slideDirection = self[direction] = right; // prev
}
// find the right next index
if ( next < 0 ) { next = total - 1; }
else if ( next === total ){ next = 0; }
// update index
index = next;
orientation = slideDirection === left ? 'next' : 'prev'; //determine type
bootstrapCustomEvent.call(element, slideEvent, component, slides[next]); // here we go with the slide
isSliding = true;
clearInterval(timer);
setActivePage( next );
if ( supportTransitions && hasClass(element,'slide') ) {
addClass(slides[next],carouselItem +'-'+ orientation);
slides[next][offsetWidth];
addClass(slides[next],carouselItem +'-'+ slideDirection);
addClass(slides[activeItem],carouselItem +'-'+ slideDirection);
one(slides[next], transitionEndEvent, function(e) {
var timeout = e[target] !== slides[next] ? e.elapsedTime*1000+100 : 20;
isSliding && setTimeout(function(){
isSliding = false;
addClass(slides[next],active);
removeClass(slides[activeItem],active);
removeClass(slides[next],carouselItem +'-'+ orientation);
removeClass(slides[next],carouselItem +'-'+ slideDirection);
removeClass(slides[activeItem],carouselItem +'-'+ slideDirection);
bootstrapCustomEvent.call(element, slidEvent, component, slides[next]);
if ( !DOC.hidden && self[interval] && !hasClass(element,paused) ) {
self.cycle();
}
}, timeout);
});
} else {
addClass(slides[next],active);
slides[next][offsetWidth];
removeClass(slides[activeItem],active);
setTimeout(function() {
isSliding = false;
if ( self[interval] && !hasClass(element,paused) ) {
self.cycle();
}
bootstrapCustomEvent.call(element, slidEvent, component, slides[next]);
}, 100 );
}
};
this.getActiveIndex = function () {
return slides[indexOf](getElementsByClassName(element,carouselItem+' active')[0]) || 0;
};
// init
if ( !(stringCarousel in element ) ) { // prevent adding event handlers twice
if ( self[pause] && self[interval] ) {
on( element, mouseHover[0], pauseHandler );
on( element, mouseHover[1], resumeHandler );
on( element, 'touchstart', pauseHandler );
on( element, 'touchend', resumeHandler );
}
rightArrow && on( rightArrow, clickEvent, controlsHandler );
leftArrow && on( leftArrow, clickEvent, controlsHandler );
indicator && on( indicator, clickEvent, indicatorHandler );
self[keyboard] === true && on( globalObject, keydownEvent, keyHandler );
}
if (self.getActiveIndex()<0) {
slides[length] && addClass(slides[0],active);
indicators[length] && setActivePage(0);
}
if ( self[interval] ){ self.cycle(); }
element[stringCarousel] = self;
};
// CAROUSEL DATA API
// =================
supports[push]( [ stringCarousel, Carousel, '['+dataRide+'="carousel"]' ] );
/* Native Javascript for Bootstrap 4 | Collapse
-----------------------------------------------*/
// COLLAPSE DEFINITION
// ===================
var Collapse = function( element, options ) {
// initialization element
element = queryElement(element);
// set options
options = options || {};
// event targets and constants
var accordion = null, collapse = null, self = this,
accordionData = element[getAttribute]('data-parent'),
activeCollapse, activeElement,
// component strings
component = 'collapse',
collapsed = 'collapsed',
isAnimating = 'isAnimating',
// private methods
openAction = function(collapseElement,toggle) {
bootstrapCustomEvent.call(collapseElement, showEvent, component);
collapseElement[isAnimating] = true;
addClass(collapseElement,collapsing);
removeClass(collapseElement,component);
collapseElement[style][height] = collapseElement[scrollHeight] + 'px';
emulateTransitionEnd(collapseElement, function() {
collapseElement[isAnimating] = false;
collapseElement[setAttribute](ariaExpanded,'true');
toggle[setAttribute](ariaExpanded,'true');
removeClass(collapseElement,collapsing);
addClass(collapseElement, component);
addClass(collapseElement,showClass);
collapseElement[style][height] = '';
bootstrapCustomEvent.call(collapseElement, shownEvent, component);
});
},
closeAction = function(collapseElement,toggle) {
bootstrapCustomEvent.call(collapseElement, hideEvent, component);
collapseElement[isAnimating] = true;
collapseElement[style][height] = collapseElement[scrollHeight] + 'px'; // set height first
removeClass(collapseElement,component);
removeClass(collapseElement,showClass);
addClass(collapseElement,collapsing);
collapseElement[offsetWidth]; // force reflow to enable transition
collapseElement[style][height] = '0px';
emulateTransitionEnd(collapseElement, function() {
collapseElement[isAnimating] = false;
collapseElement[setAttribute](ariaExpanded,'false');
toggle[setAttribute](ariaExpanded,'false');
removeClass(collapseElement,collapsing);
addClass(collapseElement,component);
collapseElement[style][height] = '';
bootstrapCustomEvent.call(collapseElement, hiddenEvent, component);
});
},
getTarget = function() {
var href = element.href && element[getAttribute]('href'),
parent = element[getAttribute](dataTarget),
id = href || ( parent && parent.charAt(0) === '#' ) && parent;
return id && queryElement(id);
};
// public methods
this.toggle = function(e) {
e[preventDefault]();
if (!hasClass(collapse,showClass)) { self.show(); }
else { self.hide(); }
};
this.hide = function() {
if ( collapse[isAnimating] ) return;
closeAction(collapse,element);
addClass(element,collapsed);
};
this.show = function() {
if ( accordion ) {
activeCollapse = queryElement('.'+component+'.'+showClass,accordion);
activeElement = activeCollapse && (queryElement('['+dataToggle+'="'+component+'"]['+dataTarget+'="#'+activeCollapse.id+'"]',accordion)
|| queryElement('['+dataToggle+'="'+component+'"][href="#'+activeCollapse.id+'"]',accordion) );
}
if ( !collapse[isAnimating] || activeCollapse && !activeCollapse[isAnimating] ) {
if ( activeElement && activeCollapse !== collapse ) {
closeAction(activeCollapse,activeElement);
addClass(activeElement,collapsed);
}
openAction(collapse,element);
removeClass(element,collapsed);
}
};
// init
if ( !(stringCollapse in element ) ) { // prevent adding event handlers twice
on(element, clickEvent, self.toggle);
}
collapse = getTarget();
collapse[isAnimating] = false; // when true it will prevent click handlers
accordion = queryElement(options.parent) || accordionData && getClosest(element, accordionData);
element[stringCollapse] = self;
};
// COLLAPSE DATA API
// =================
supports[push]( [ stringCollapse, Collapse, '['+dataToggle+'="collapse"]' ] );
/* Native Javascript for Bootstrap 4 | Dropdown
----------------------------------------------*/
// DROPDOWN DEFINITION
// ===================
var Dropdown = function( element, option ) {
// initialization element
element = queryElement(element);
// set option
this.persist = option === true || element[getAttribute]('data-persist') === 'true' || false;
// constants, event targets, strings
var self = this, children = 'children',
parent = element[parentNode],
component = 'dropdown', open = 'open',
relatedTarget = null,
menu = queryElement('.dropdown-menu', parent),
menuItems = (function(){
var set = menu[children], newSet = [];
for ( var i=0; i<set[length]; i++ ){
set[i][children][length] && (set[i][children][0].tagName === 'A' && newSet[push](set[i][children][0]));
set[i].tagName === 'A' && newSet[push](set[i]);
}
return newSet;
})(),
// preventDefault on empty anchor links
preventEmptyAnchor = function(anchor){
(anchor.href && anchor.href.slice(-1) === '#' || anchor[parentNode] && anchor[parentNode].href
&& anchor[parentNode].href.slice(-1) === '#') && this[preventDefault]();
},
// toggle dismissible events
toggleDismiss = function(){
var type = element[open] ? on : off;
type(DOC, clickEvent, dismissHandler);
type(DOC, keydownEvent, preventScroll);
type(DOC, keyupEvent, keyHandler);
},
// handlers
dismissHandler = function(e) {
var eventTarget = e[target], hasData = eventTarget && (stringDropdown in eventTarget || stringDropdown in eventTarget[parentNode]);
if ( (eventTarget === menu || menu[contains](eventTarget)) && (self.persist || hasData) ) { return; }
else {
relatedTarget = eventTarget === element || element[contains](eventTarget) ? element : null;
hide();
}
preventEmptyAnchor.call(e,eventTarget);
},
clickHandler = function(e) {
relatedTarget = element;
show();
preventEmptyAnchor.call(e,e[target]);
},
preventScroll = function(e){
var key = e.which || e.keyCode;
if( key === 38 || key === 40 ) { e[preventDefault](); }
},
keyHandler = function(e){
var key = e.which || e.keyCode,
activeItem = DOC.activeElement,
idx = menuItems[indexOf](activeItem),
isSameElement = activeItem === element,
isInsideMenu = menu[contains](activeItem),
isMenuItem = activeItem[parentNode] === menu || activeItem[parentNode][parentNode] === menu;
if ( isMenuItem || isSameElement ) { // navigate up | down
idx = isSameElement ? 0
: key === 38 ? (idx>1?idx-1:0)
: key === 40 ? (idx<menuItems[length]-1?idx+1:idx) : idx;
menuItems[idx] && setFocus(menuItems[idx]);
}
if ( (menuItems[length] && isMenuItem // menu has items
|| !menuItems[length] && (isInsideMenu || isSameElement) // menu might be a form
|| !isInsideMenu ) // or the focused element is not in the menu at all
&& element[open] && key === 27 // menu must be open
) {
self.toggle();
relatedTarget = null;
}
},
// private methods
show = function() {
bootstrapCustomEvent.call(parent, showEvent, component, relatedTarget);
addClass(menu,showClass);
addClass(parent,showClass);
menu[setAttribute](ariaExpanded,true);
bootstrapCustomEvent.call(parent, shownEvent, component, relatedTarget);
element[open] = true;
off(element, clickEvent, clickHandler);
setTimeout(function(){
setFocus( menu[getElementsByTagName]('INPUT')[0] || element ); // focus the first input item | element
toggleDismiss();
},1);
},
hide = function() {
bootstrapCustomEvent.call(parent, hideEvent, component, relatedTarget);
removeClass(menu,showClass);
removeClass(parent,showClass);
menu[setAttribute](ariaExpanded,false);
bootstrapCustomEvent.call(parent, hiddenEvent, component, relatedTarget);
element[open] = false;
toggleDismiss();
setFocus(element);
setTimeout(function(){ on(element, clickEvent, clickHandler); },1);
};
// set initial state to closed
element[open] = false;
// public methods
this.toggle = function() {
if (hasClass(parent,showClass) && element[open]) { hide(); }
else { show(); }
};
// init
if ( !(stringDropdown in element) ) { // prevent adding event handlers twice
!tabindex in menu && menu[setAttribute](tabindex, '0'); // Fix onblur on Chrome | Safari
on(element, clickEvent, clickHandler);
}
element[stringDropdown] = self;
};
// DROPDOWN DATA API
// =================
supports[push]( [stringDropdown, Dropdown, '['+dataToggle+'="dropdown"]'] );
/* Native Javascript for Bootstrap 4 | Modal
-------------------------------------------*/
// MODAL DEFINITION
// ===============
var Modal = function(element, options) { // element can be the modal/triggering button
// the modal (both JavaScript / DATA API init) / triggering button element (DATA API)
element = queryElement(element);
// determine modal, triggering element
var btnCheck = element[getAttribute](dataTarget)||element[getAttribute]('href'),
checkModal = queryElement( btnCheck ),
modal = hasClass(element,'modal') ? element : checkModal,
overlayDelay,
// strings
component = 'modal',
staticString = 'static',
paddingLeft = 'paddingLeft',
paddingRight = 'paddingRight',
modalBackdropString = 'modal-backdrop';
if ( hasClass(element,'modal') ) { element = null; } // modal is now independent of it's triggering element
if ( !modal ) { return; } // invalidate
// set options
options = options || {};
this[keyboard] = options[keyboard] === false || modal[getAttribute](dataKeyboard) === 'false' ? false : true;
this[backdrop] = options[backdrop] === staticString || modal[getAttribute](databackdrop) === staticString ? staticString : true;
this[backdrop] = options[backdrop] === false || modal[getAttribute](databackdrop) === 'false' ? false : this[backdrop];
this[content] = options[content]; // JavaScript only
// bind, constants, event targets and other vars
var self = this, relatedTarget = null,
bodyIsOverflowing, modalIsOverflowing, scrollbarWidth, overlay,
// also find fixed-top / fixed-bottom items
fixedItems = getElementsByClassName(HTML,fixedTop).concat(getElementsByClassName(HTML,fixedBottom)),
// private methods
getWindowWidth = function() {
var htmlRect = HTML[getBoundingClientRect]();
return globalObject[innerWidth] || (htmlRect[right] - Math.abs(htmlRect[left]));
},
setScrollbar = function () {
var bodyStyle = globalObject[getComputedStyle](DOC[body]),
bodyPad = parseInt((bodyStyle[paddingRight]), 10), itemPad;
if (bodyIsOverflowing) {
DOC[body][style][paddingRight] = (bodyPad + scrollbarWidth) + 'px';
if (fixedItems[length]){
for (var i = 0; i < fixedItems[length]; i++) {
itemPad = globalObject[getComputedStyle](fixedItems[i])[paddingRight];
fixedItems[i][style][paddingRight] = ( parseInt(itemPad) + scrollbarWidth) + 'px';
}
}
}
},
resetScrollbar = function () {
DOC[body][style][paddingRight] = '';
if (fixedItems[length]){
for (var i = 0; i < fixedItems[length]; i++) {
fixedItems[i][style][paddingRight] = '';
}
}
},
measureScrollbar = function () { // thx walsh
var scrollDiv = DOC[createElement]('div'), scrollBarWidth;
scrollDiv.className = component+'-scrollbar-measure'; // this is here to stay
DOC[body][appendChild](scrollDiv);
scrollBarWidth = scrollDiv[offsetWidth] - scrollDiv[clientWidth];
DOC[body].removeChild(scrollDiv);
return scrollBarWidth;
},
checkScrollbar = function () {
bodyIsOverflowing = DOC[body][clientWidth] < getWindowWidth();
modalIsOverflowing = modal[scrollHeight] > HTML[clientHeight];
scrollbarWidth = measureScrollbar();
},
adjustDialog = function () {
modal[style][paddingLeft] = !bodyIsOverflowing && modalIsOverflowing ? scrollbarWidth + 'px' : '';
modal[style][paddingRight] = bodyIsOverflowing && !modalIsOverflowing ? scrollbarWidth + 'px' : '';
},
resetAdjustments = function () {
modal[style][paddingLeft] = '';
modal[style][paddingRight] = '';
},
createOverlay = function() {
modalOverlay = 1;
var newOverlay = DOC[createElement]('div');
overlay = queryElement('.'+modalBackdropString);
if ( overlay === null ) {
newOverlay[setAttribute]('class',modalBackdropString+' fade');
overlay = newOverlay;
DOC[body][appendChild](overlay);
}
},
removeOverlay = function() {
overlay = queryElement('.'+modalBackdropString);
if ( overlay && overlay !== null && typeof overlay === 'object' ) {
modalOverlay = 0;
DOC[body].removeChild(overlay); overlay = null;
}
bootstrapCustomEvent.call(modal, hiddenEvent, component);
},
keydownHandlerToggle = function() {
if (hasClass(modal,showClass)) {
on(DOC, keydownEvent, keyHandler);
} else {
off(DOC, keydownEvent, keyHandler);
}
},
resizeHandlerToggle = function() {
if (hasClass(modal,showClass)) {
on(globalObject, resizeEvent, self.update);
} else {
off(globalObject, resizeEvent, self.update);
}
},
dismissHandlerToggle = function() {
if (hasClass(modal,showClass)) {
on(modal, clickEvent, dismissHandler);
} else {
off(modal, clickEvent, dismissHandler);
}
},
// triggers
triggerShow = function() {
setFocus(modal);
bootstrapCustomEvent.call(modal, shownEvent, component, relatedTarget);
},
triggerHide = function() {
modal[style].display = '';
element && (setFocus(element));
(function(){
if (!getElementsByClassName(DOC,component+' '+showClass)[0]) {
resetAdjustments();
resetScrollbar();
removeClass(DOC[body],component+'-open');
overlay && hasClass(overlay,'fade') ? (removeClass(overlay,showClass), emulateTransitionEnd(overlay,removeOverlay))
: removeOverlay();
resizeHandlerToggle();
dismissHandlerToggle();
keydownHandlerToggle();
}
}());
},
// handlers
clickHandler = function(e) {
var clickTarget = e[target];
clickTarget = clickTarget[hasAttribute](dataTarget) || clickTarget[hasAttribute]('href') ? clickTarget : clickTarget[parentNode];
if ( clickTarget === element && !hasClass(modal,showClass) ) {
modal.modalTrigger = element;
relatedTarget = element;
self.show();
e[preventDefault]();
}
},
keyHandler = function(e) {
if (self[keyboard] && e.which == 27 && hasClass(modal,showClass)) {
self.hide();
}
},
dismissHandler = function(e) {
var clickTarget = e[target];
if ( hasClass(modal,showClass) && (clickTarget[parentNode][getAttribute](dataDismiss) === component
|| clickTarget[getAttribute](dataDismiss) === component
|| (clickTarget === modal && self[backdrop] !== staticString) ) ) {
self.hide(); relatedTarget = null;
e[preventDefault]();
}
};
// public methods
this.toggle = function() {
if ( hasClass(modal,showClass) ) {this.hide();} else {this.show();}
};
this.show = function() {
bootstrapCustomEvent.call(modal, showEvent, component, relatedTarget);
// we elegantly hide any opened modal
var currentOpen = getElementsByClassName(DOC,component+' '+showClass)[0];
currentOpen && currentOpen !== modal && currentOpen.modalTrigger[stringModal].hide();
if ( this[backdrop] ) {
!modalOverlay && createOverlay();
}
if ( overlay && modalOverlay && !hasClass(overlay,showClass)) {
overlay[offsetWidth]; // force reflow to enable trasition
overlayDelay = getTransitionDurationFromElement(overlay);
addClass(overlay, showClass);
}
setTimeout( function() {
modal[style].display = 'block';
checkScrollbar();
setScrollbar();
adjustDialog();
addClass(DOC[body],component+'-open');
addClass(modal,showClass);
modal[setAttribute](ariaHidden, false);
resizeHandlerToggle();
dismissHandlerToggle();
keydownHandlerToggle();
hasClass(modal,'fade') ? emulateTransitionEnd(modal, triggerShow) : triggerShow();
}, supportTransitions && overlay ? overlayDelay : 0);
};
this.hide = function() {
bootstrapCustomEvent.call(modal, hideEvent, component);
overlay = queryElement('.'+modalBackdropString);
overlayDelay = overlay && getTransitionDurationFromElement(overlay);
removeClass(modal,showClass);
modal[setAttribute](ariaHidden, true);
setTimeout(function(){
hasClass(modal,'fade') ? emulateTransitionEnd(modal, triggerHide) : triggerHide();
}, supportTransitions && overlay ? overlayDelay : 0);
};
this.setContent = function( content ) {
queryElement('.'+component+'-content',modal)[innerHTML] = content;
};
this.update = function() {
if (hasClass(modal,showClass)) {
checkScrollbar();
setScrollbar();
adjustDialog();
}
};
// init
// prevent adding event handlers over and over
// modal is independent of a triggering element
if ( !!element && !(stringModal in element) ) {
on(element, clickEvent, clickHandler);
}
if ( !!self[content] ) { self.setContent( self[content] ); }
!!element && (element[stringModal] = self);
};
// DATA API
supports[push]( [ stringModal, Modal, '['+dataToggle+'="modal"]' ] );
/* Native Javascript for Bootstrap 4 | Popover
----------------------------------------------*/
// POPOVER DEFINITION
// ==================
var Popover = function( element, options ) {
// initialization element
element = queryElement(element);
// set options
options = options || {};
// DATA API
var triggerData = element[getAttribute](dataTrigger), // click / hover / focus
animationData = element[getAttribute](dataAnimation), // true / false
placementData = element[getAttribute](dataPlacement),
dismissibleData = element[getAttribute](dataDismissible),
delayData = element[getAttribute](dataDelay),
containerData = element[getAttribute](dataContainer),
// internal strings
component = 'popover',
template = 'template',
trigger = 'trigger',
classString = 'class',
div = 'div',
fade = 'fade',
content = 'content',
dataContent = 'data-content',
dismissible = 'dismissible',
closeBtn = '<button type="button" class="close">×</button>',
// check container
containerElement = queryElement(options[container]),
containerDataElement = queryElement(containerData),
// maybe the element is inside a modal
modal = getClosest(element,'.modal'),
// maybe the element is inside a fixed navbar
navbarFixedTop = getClosest(element,'.'+fixedTop),
navbarFixedBottom = getClosest(element,'.'+fixedBottom);
// set instance options
this[template] = options[template] ? options[template] : null; // JavaScript only
this[trigger] = options[trigger] ? options[trigger] : triggerData || hoverEvent;
this[animation] = options[animation] && options[animation] !== fade ? options[animation] : animationData || fade;
this[placement] = options[placement] ? options[placement] : placementData || top;
this[delay] = parseInt(options[delay] || delayData) || 200;
this[dismissible] = options[dismissible] || dismissibleData === 'true' ? true : false;
this[container] = containerElement ? containerElement
: containerDataElement ? containerDataElement
: navbarFixedTop ? navbarFixedTop
: navbarFixedBottom ? navbarFixedBottom
: modal ? modal : DOC[body];
// bind, content
var self = this,
titleString = element[getAttribute](dataTitle) || null,
contentString = element[getAttribute](dataContent) || null;
if ( !contentString && !this[template] ) return; // invalidate
// constants, vars
var popover = null, timer = 0, placementSetting = this[placement],
// handlers
dismissibleHandler = function(e) {
if (popover !== null && e[target] === queryElement('.close',popover)) {
self.hide();
}
},
// private methods
removePopover = function() {
self[container].removeChild(popover);
timer = null; popover = null;
},
createPopover = function() {
titleString = element[getAttribute](dataTitle); // check content again
contentString = element[getAttribute](dataContent);
popover = DOC[createElement](div);
// popover arrow
var popoverArrow = DOC[createElement](div);
popoverArrow[setAttribute](classString,'arrow');
popover[appendChild](popoverArrow);
if ( contentString !== null && self[template] === null ) { //create the popover from data attributes
popover[setAttribute]('role','tooltip');
if (titleString !== null) {
var popoverTitle = DOC[createElement]('h3');
popoverTitle[setAttribute](classString,component+'-header');
popoverTitle[innerHTML] = self[dismissible] ? titleString + closeBtn : titleString;
popover[appendChild](popoverTitle);
}
//set popover content
var popoverContent = DOC[createElement](div);
popoverContent[setAttribute](classString,component+'-body');
popoverContent[innerHTML] = self[dismissible] && titleString === null ? contentString + closeBtn : contentString;
popover[appendChild](popoverContent);
} else { // or create the popover from template
var popoverTemplate = DOC[createElement](div);
popoverTemplate[innerHTML] = self[template];
popover[innerHTML] = popoverTemplate.firstChild[innerHTML];
}
//append to the container
self[container][appendChild](popover);
popover[style].display = 'block';
popover[setAttribute](classString, component+ ' bs-' + component+'-'+placementSetting + ' ' + self[animation]);
},
showPopover = function () {
!hasClass(popover,showClass) && ( addClass(popover,showClass) );
},
updatePopover = function() {
styleTip(element,popover,placementSetting,self[container]);
},
// event toggle
dismissHandlerToggle = function(type){
if (clickEvent == self[trigger] || 'focus' == self[trigger]) {
!self[dismissible] && type( element, 'blur', self.hide );
}
self[dismissible] && type( DOC, clickEvent, dismissibleHandler );
type( globalObject, resizeEvent, self.hide );
},
// triggers
showTrigger = function() {
dismissHandlerToggle(on);
bootstrapCustomEvent.call(element, shownEvent, component);
},
hideTrigger = function() {
dismissHandlerToggle(off);
removePopover();
bootstrapCustomEvent.call(element, hiddenEvent, component);
};
// public methods / handlers
this.toggle = function() {
if (popover === null) { self.show(); }
else { self.hide(); }
};
this.show = function() {
clearTimeout(timer);
timer = setTimeout( function() {
if (popover === null) {
placementSetting = self[placement]; // we reset placement in all cases
createPopover();
updatePopover();
showPopover();
bootstrapCustomEvent.call(element, showEvent, component);
!!self[animation] ? emulateTransitionEnd(popover, showTrigger) : showTrigger();
}
}, 20 );
};
this.hide = function() {
clearTimeout(timer);
timer = setTimeout( function() {
if (popover && popover !== null && hasClass(popover,showClass)) {
bootstrapCustomEvent.call(element, hideEvent, component);
removeClass(popover,showClass);
!!self[animation] ? emulateTransitionEnd(popover, hideTrigger) : hideTrigger();
}
}, self[delay] );
};
// init
if ( !(stringPopover in element) ) { // prevent adding event handlers twice
if (self[trigger] === hoverEvent) {
on( element, mouseHover[0], self.show );
if (!self[dismissible]) { on( element, mouseHover[1], self.hide ); }
} else if (clickEvent == self[trigger] || 'focus' == self[trigger]) {
on( element, self[trigger], self.toggle );
}
}
element[stringPopover] = self;
};
// POPOVER DATA API
// ================
supports[push]( [ stringPopover, Popover, '['+dataToggle+'="popover"]' ] );
/* Native Javascript for Bootstrap 4 | ScrollSpy
-----------------------------------------------*/
// SCROLLSPY DEFINITION
// ====================
var ScrollSpy = function(element, options) {
// initialization element, the element we spy on
element = queryElement(element);
// DATA API
var targetData = queryElement(element[getAttribute](dataTarget)),
offsetData = element[getAttribute]('data-offset');
// set options
options = options || {};
if ( !options[target] && !targetData ) { return; } // invalidate
// event targets, constants
var self = this, spyTarget = options[target] && queryElement(options[target]) || targetData,
links = spyTarget && spyTarget[getElementsByTagName]('A'),
offset = parseInt(offsetData || options['offset']) || 10,
items = [], targetItems = [], scrollOffset,
scrollTarget = element[offsetHeight] < element[scrollHeight] ? element : globalObject, // determine which is the real scrollTarget
isWindow = scrollTarget === globalObject;
// populate items and targets
for (var i=0, il=links[length]; i<il; i++) {
var href = links[i][getAttribute]('href'),
targetItem = href && href.charAt(0) === '#' && href.slice(-1) !== '#' && queryElement(href);
if ( !!targetItem ) {
items[push](links[i]);
targetItems[push](targetItem);
}
}
// private methods
var updateItem = function(index) {
var item = items[index],
targetItem = targetItems[index], // the menu item targets this element
dropdown = item[parentNode][parentNode],
dropdownLink = hasClass(dropdown,'dropdown') && dropdown[getElementsByTagName]('A')[0],
targetRect = isWindow && targetItem[getBoundingClientRect](),
isActive = hasClass(item,active) || false,
topEdge = (isWindow ? targetRect[top] + scrollOffset : targetItem[offsetTop]) - offset,
bottomEdge = isWindow ? targetRect[bottom] + scrollOffset - offset : targetItems[index+1] ? targetItems[index+1][offsetTop] - offset : element[scrollHeight],
inside = scrollOffset >= topEdge && bottomEdge > scrollOffset;
if ( !isActive && inside ) {
if ( !hasClass(item,active) ) {
addClass(item,active);
if (dropdownLink && !hasClass(dropdownLink,active) ) {
addClass(dropdownLink,active);
}
bootstrapCustomEvent.call(element, 'activate', 'scrollspy', items[index]);
}
} else if ( !inside ) {
if ( hasClass(item,active) ) {
removeClass(item,active);
if (dropdownLink && hasClass(dropdownLink,active) && !getElementsByClassName(item[parentNode],active).length ) {
removeClass(dropdownLink,active);
}
}
} else if ( !inside && !isActive || isActive && inside ) {
return;
}
},
updateItems = function(){
scrollOffset = isWindow ? getScroll().y : element[scrollTop];
for (var index=0, itl=items[length]; index<itl; index++) {
updateItem(index)
}
};
// public method
this.refresh = function () {
updateItems();
}
// init
if ( !(stringScrollSpy in element) ) { // prevent adding event handlers twice
on( scrollTarget, scrollEvent, self.refresh );
on( globalObject, resizeEvent, self.refresh );
}
self.refresh();
element[stringScrollSpy] = self;
};
// SCROLLSPY DATA API
// ==================
supports[push]( [ stringScrollSpy, ScrollSpy, '['+dataSpy+'="scroll"]' ] );
/* Native Javascript for Bootstrap 4 | Tab
-----------------------------------------*/
// TAB DEFINITION
// ==============
var Tab = function( element, options ) {
// initialization element
element = queryElement(element);
// DATA API
var heightData = element[getAttribute](dataHeight),
// strings
component = 'tab', height = 'height', float = 'float', isAnimating = 'isAnimating';
// set options
options = options || {};
this[height] = supportTransitions ? (options[height] || heightData === 'true') : false;
// bind, event targets
var self = this, next,
tabs = getClosest(element,'.nav'),
tabsContentContainer = false,
dropdown = tabs && queryElement('.dropdown-toggle',tabs),
activeTab, activeContent, nextContent, containerHeight, equalContents, nextHeight,
// trigger
triggerEnd = function(){
tabsContentContainer[style][height] = '';
removeClass(tabsContentContainer,collapsing);
tabs[isAnimating] = false;
},
triggerShow = function() {
if (tabsContentContainer) { // height animation
if ( equalContents ) {
triggerEnd();
} else {
setTimeout(function(){ // enables height animation
tabsContentContainer[style][height] = nextHeight + 'px'; // height animation
tabsContentContainer[offsetWidth];
emulateTransitionEnd(tabsContentContainer, triggerEnd);
},50);
}
} else {
tabs[isAnimating] = false;
}
bootstrapCustomEvent.call(next, shownEvent, component, activeTab);
},
triggerHide = function() {
if (tabsContentContainer) {
activeContent[style][float] = left;
nextContent[style][float] = left;
containerHeight = activeContent[scrollHeight];
}
addClass(nextContent,active);
bootstrapCustomEvent.call(next, showEvent, component, activeTab);
removeClass(activeContent,active);
bootstrapCustomEvent.call(activeTab, hiddenEvent, component, next);
if (tabsContentContainer) {
nextHeight = nextContent[scrollHeight];
equalContents = nextHeight === containerHeight;
addClass(tabsContentContainer,collapsing);
tabsContentContainer[style][height] = containerHeight + 'px'; // height animation
tabsContentContainer[offsetHeight];
activeContent[style][float] = '';
nextContent[style][float] = '';
}
if ( hasClass(nextContent, 'fade') ) {
setTimeout(function(){
addClass(nextContent,showClass);
emulateTransitionEnd(nextContent,triggerShow);
},20);
} else { triggerShow(); }
};
if (!tabs) return; // invalidate
// set default animation state
tabs[isAnimating] = false;
// private methods
var getActiveTab = function() {
var activeTabs = getElementsByClassName(tabs,active), activeTab;
if ( activeTabs[length] === 1 && !hasClass(activeTabs[0][parentNode],'dropdown') ) {
activeTab = activeTabs[0];
} else if ( activeTabs[length] > 1 ) {
activeTab = activeTabs[activeTabs[length]-1];
}
return activeTab;
},
getActiveContent = function() {
return queryElement(getActiveTab()[getAttribute]('href'));
},
// handler
clickHandler = function(e) {
var href = e[target][getAttribute]('href');
e[preventDefault]();
next = e[target][getAttribute](dataToggle) === component || (href && href.charAt(0) === '#')
? e[target] : e[target][parentNode]; // allow for child elements like icons to use the handler
!tabs[isAnimating] && !hasClass(next,active) && self.show();
};
// public method
this.show = function() { // the tab we clicked is now the next tab
next = next || element;
nextContent = queryElement(next[getAttribute]('href')); //this is the actual object, the next tab content to activate
activeTab = getActiveTab();
activeContent = getActiveContent();
tabs[isAnimating] = true;
removeClass(activeTab,active);
addClass(next,active);
if ( dropdown ) {
if ( !hasClass(element[parentNode],'dropdown-menu') ) {
if (hasClass(dropdown,active)) removeClass(dropdown,active);
} else {
if (!hasClass(dropdown,active)) addClass(dropdown,active);
}
}
bootstrapCustomEvent.call(activeTab, hideEvent, component, next);
if (hasClass(activeContent, 'fade')) {
removeClass(activeContent,showClass);
emulateTransitionEnd(activeContent, triggerHide);
} else { triggerHide(); }
};
// init
if ( !(stringTab in element) ) { // prevent adding event handlers twice
on(element, clickEvent, clickHandler);
}
if (self[height]) { tabsContentContainer = getActiveContent()[parentNode]; }
element[stringTab] = self;
};
// TAB DATA API
// ============
supports[push]( [ stringTab, Tab, '['+dataToggle+'="tab"]' ] );
/* Native Javascript for Bootstrap 4 | Tooltip
---------------------------------------------*/
// TOOLTIP DEFINITION
// ==================
var Tooltip = function( element,options ) {
// initialization element
element = queryElement(element);
// set options
options = options || {};
// DATA API
var animationData = element[getAttribute](dataAnimation),
placementData = element[getAttribute](dataPlacement),
delayData = element[getAttribute](dataDelay),
containerData = element[getAttribute](dataContainer),
// strings
component = 'tooltip',
classString = 'class',
title = 'title',
fade = 'fade',
div = 'div',
// check container
containerElement = queryElement(options[container]),
containerDataElement = queryElement(containerData),
// maybe the element is inside a modal
modal = getClosest(element,'.modal'),
// maybe the element is inside a fixed navbar
navbarFixedTop = getClosest(element,'.'+fixedTop),
navbarFixedBottom = getClosest(element,'.'+fixedBottom);
// set instance options
this[animation] = options[animation] && options[animation] !== fade ? options[animation] : animationData || fade;
this[placement] = options[placement] ? options[placement] : placementData || top;
this[delay] = parseInt(options[delay] || delayData) || 200;
this[container] = containerElement ? containerElement
: containerDataElement ? containerDataElement
: navbarFixedTop ? navbarFixedTop
: navbarFixedBottom ? navbarFixedBottom
: modal ? modal : DOC[body];
// bind, event targets, title and constants
var self = this, timer = 0, placementSetting = this[placement], tooltip = null,
titleString = element[getAttribute](title) || element[getAttribute](dataTitle) || element[getAttribute](dataOriginalTitle);
if ( !titleString || titleString == "" ) return; // invalidate
// private methods
var removeToolTip = function() {
self[container].removeChild(tooltip);
tooltip = null; timer = null;
},
createToolTip = function() {
titleString = element[getAttribute](title) || element[getAttribute](dataTitle) || element[getAttribute](dataOriginalTitle); // read the title again
if ( !titleString || titleString == "" ) return false; // invalidate
tooltip = DOC[createElement](div);
tooltip[setAttribute]('role',component);
// tooltip arrow
var tooltipArrow = DOC[createElement](div);
tooltipArrow[setAttribute](classString,'arrow');
tooltip[appendChild](tooltipArrow);
var tooltipInner = DOC[createElement](div);
tooltipInner[setAttribute](classString,component+'-inner');
tooltip[appendChild](tooltipInner);
tooltipInner[innerHTML] = titleString;
self[container][appendChild](tooltip);
tooltip[setAttribute](classString, component + ' bs-' + component+'-'+placementSetting + ' ' + self[animation]);
},
updateTooltip = function () {
styleTip(element,tooltip,placementSetting,self[container]);
},
showTooltip = function () {
!hasClass(tooltip,showClass) && ( addClass(tooltip,showClass) );
},
// triggers
showTrigger = function() {
on( globalObject, resizeEvent, self.hide );
bootstrapCustomEvent.call(element, shownEvent, component);
},
hideTrigger = function() {
off( globalObject, resizeEvent, self.hide );
removeToolTip();
bootstrapCustomEvent.call(element, hiddenEvent, component);
};
// public methods
this.show = function() {
clearTimeout(timer);
timer = setTimeout( function() {
if (tooltip === null) {
placementSetting = self[placement]; // we reset placement in all cases
if(createToolTip() == false) return;
updateTooltip();
showTooltip();
bootstrapCustomEvent.call(element, showEvent, component);
!!self[animation] ? emulateTransitionEnd(tooltip, showTrigger) : showTrigger();
}
}, 20 );
};
this.hide = function() {
clearTimeout(timer);
timer = setTimeout( function() {
if (tooltip && hasClass(tooltip,showClass)) {
bootstrapCustomEvent.call(element, hideEvent, component);
removeClass(tooltip,showClass);
!!self[animation] ? emulateTransitionEnd(tooltip, hideTrigger) : hideTrigger();
}
}, self[delay]);
};
this.toggle = function() {
if (!tooltip) { self.show(); }
else { self.hide(); }
};
// init
if ( !(stringTooltip in element) ) { // prevent adding event handlers twice
element[setAttribute](dataOriginalTitle,titleString);
element.removeAttribute(title);
on(element, mouseHover[0], self.show);
on(element, mouseHover[1], self.hide);
}
element[stringTooltip] = self;
};
// TOOLTIP DATA API
// =================
supports[push]( [ stringTooltip, Tooltip, '['+dataToggle+'="tooltip"]' ] );
/* Native Javascript for Bootstrap 4 | Initialize Data API
--------------------------------------------------------*/
var initializeDataAPI = function( constructor, collection ){
for (var i=0, l=collection[length]; i<l; i++) {
new constructor(collection[i]);
}
},
initCallback = BSN.initCallback = function(lookUp){
lookUp = lookUp || DOC;
for (var i=0, l=supports[length]; i<l; i++) {
initializeDataAPI( supports[i][1], lookUp[querySelectorAll] (supports[i][2]) );
}
};
// bulk initialize all components
DOC[body] ? initCallback() : on( DOC, 'DOMContentLoaded', function(){ initCallback(); } );
return {
Alert: Alert,
Button: Button,
Carousel: Carousel,
Collapse: Collapse,
Dropdown: Dropdown,
Modal: Modal,
Popover: Popover,
ScrollSpy: ScrollSpy,
Tab: Tab,
Tooltip: Tooltip
};
}));
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