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// Native Javascript for Bootstrap 3 | Tooltip
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// by dnp_theme
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(function(factory){
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// CommonJS/RequireJS and "native" compatibility
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if(typeof module !== "undefined" && typeof exports == "object") {
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// A commonJS/RequireJS environment
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if(typeof window != "undefined") {
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// Window and document exist, so return the factory's return value.
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module.exports = factory();
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} else {
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// Let the user give the factory a Window and Document.
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module.exports = factory;
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}
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} else {
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// Assume a traditional browser.
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window.Tooltip = factory();
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}
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})(function(root){
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// TOOLTIP DEFINITION
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// ===================
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var Tooltip = function( element,options ) {
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options = options || {};
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this.link = typeof element === 'object' ? element : document.querySelector(element);
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this.title = this.link.getAttribute('title') || this.link.getAttribute('data-original-title');
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this.tooltip = null;
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this.options = {};
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this.options.animation = options.animation && options.animation !== 'fade' ? options.animation : 'fade';
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this.options.placement = options.placement ? options.placement : 'top';
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this.options.delay = parseInt(options.delay) || 100;
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this.isIE = (new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})").exec(navigator.userAgent) != null) ? parseFloat( RegExp.$1 ) : false;
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this.duration = 150;
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this.options.duration = this.isIE && this.isIE < 10 ? 0 : (options.duration || this.duration);
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this.options.container = options.container || document.body;
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if ( this.title ) this.init();
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this.timer = 0 // the link own event timer
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}
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// TOOLTIP METHODS
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// ================
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Tooltip.prototype = {
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init : function() {
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this.actions();
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this.rect = null;
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var events = ('onmouseleave' in this.link) ? [ 'mouseenter', 'mouseleave'] : [ 'mouseover', 'mouseout' ];
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this.link.addEventListener(events[0], this.open, false);
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this.link.addEventListener(events[1], this.close, false);
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//remove title from link
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this.link.setAttribute('data-original-title',this.title);
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this.link.removeAttribute('title');
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},
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actions : function() {
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var self = this;
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this.open = function(e) {
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clearTimeout(self.link.getAttribute('data-timer'));
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self.timer = setTimeout( function() {
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if (self.tooltip === null) {
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self.createToolTip();
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self.styleTooltip();
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self.updateTooltip()
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}
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}, self.options.duration );
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self.link.setAttribute('data-timer',self.timer);
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},
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this.close = function(e) {
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clearTimeout(self.link.getAttribute('data-timer'));
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self.timer = setTimeout( function() {
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if (self.tooltip && self.tooltip !== null) {
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self.tooltip.className = self.tooltip.className.replace(' in','');
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setTimeout(function() {
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self.removeToolTip(); // for performance/testing reasons we can keep the tooltips if we want
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}, self.options.duration);
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}
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}, self.options.delay + self.options.duration);
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self.link.setAttribute('data-timer',self.timer);
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},
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//remove the tooltip
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this.removeToolTip = function() {
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this.tooltip && this.options.container.removeChild(this.tooltip);
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this.tooltip = null;
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},
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//create the tooltip structure
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this.createToolTip = function() {
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this.tooltip = document.createElement('div');
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this.tooltip.setAttribute('role','tooltip');
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var tooltipArrow = document.createElement('div');
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tooltipArrow.setAttribute('class','tooltip-arrow');
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var tooltipInner = document.createElement('div');
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tooltipInner.setAttribute('class','tooltip-inner');
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this.tooltip.appendChild(tooltipArrow);
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this.tooltip.appendChild(tooltipInner);
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//set tooltip content
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tooltipInner.innerHTML = this.title;
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//append to the container
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this.options.container.appendChild(this.tooltip);
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},
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this.styleTooltip = function(pos) {
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this.rect = this.getRect();
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var placement = pos || this.options.placement;
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this.tooltip.setAttribute('class','tooltip '+placement+' '+this.options.animation);
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var linkDim = { w: this.link.offsetWidth, h: this.link.offsetHeight }; //link real dimensions
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// all tooltip dimensions
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var td = this.tooltipDimensions(this.tooltip);
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var toolDim = { w : td.w, h: td.h }; //tooltip real dimensions
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//window vertical and horizontal scroll
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var scrollYOffset = this.getScroll().y;
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var scrollXOffset = this.getScroll().x;
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//apply styling
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if ( /top/.test(placement) ) { //TOP
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this.tooltip.style.top = this.rect.top + scrollYOffset - toolDim.h + 'px';
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this.tooltip.style.left = this.rect.left + scrollXOffset - toolDim.w/2 + linkDim.w/2 + 'px'
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} else if ( /bottom/.test(placement) ) { //BOTTOM
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this.tooltip.style.top = this.rect.top + scrollYOffset + linkDim.h + 'px';
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this.tooltip.style.left = this.rect.left + scrollXOffset - toolDim.w/2 + linkDim.w/2 + 'px';
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} else if ( /left/.test(placement) ) { //LEFT
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this.tooltip.style.top = this.rect.top + scrollYOffset - toolDim.h/2 + linkDim.h/2 + 'px';
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this.tooltip.style.left = this.rect.left + scrollXOffset - toolDim.w + 'px';
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} else if ( /right/.test(placement) ) { //RIGHT
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this.tooltip.style.top = this.rect.top + scrollYOffset - toolDim.h/2 + linkDim.h/2 + 'px';
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this.tooltip.style.left = this.rect.left + scrollXOffset + linkDim.w + 'px';
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}
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},
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this.updateTooltip = function() {
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var placement = null;
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if ( !this.isElementInViewport(this.tooltip) ) {
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placement = this.updatePlacement();
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} else {
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placement = this.options.placement;
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}
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this.styleTooltip(placement);
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this.tooltip.className += ' in';
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},
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this.updatePlacement = function() {
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var pos = this.options.placement;
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if ( /top/.test(pos) ) { //TOP
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return 'bottom';
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} else if ( /bottom/.test(pos) ) { //BOTTOM
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return 'top';
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} else if ( /left/.test(pos) ) { //LEFT
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return 'right';
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} else if ( /right/.test(pos) ) { //RIGHT
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return 'left';
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}
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},
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this.getRect = function() {
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return this.link.getBoundingClientRect()
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},
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this.getScroll = function() {
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return {
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y : window.pageYOffset || document.documentElement.scrollTop,
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x : window.pageXOffset || document.documentElement.scrollLeft
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}
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},
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this.tooltipDimensions = function(t) {//check tooltip width and height
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return {
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w : t.offsetWidth,
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h : t.offsetHeight
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}
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},
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this.isElementInViewport = function(t) { // check if this.tooltip is in viewport
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var r = t.getBoundingClientRect();
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return (
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r.top >= 0 &&
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r.left >= 0 &&
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r.bottom <= (window.innerHeight || document.documentElement.clientHeight) &&
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r.right <= (window.innerWidth || document.documentElement.clientWidth)
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)
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}
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}
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}
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// TOOLTIP DATA API
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// =================
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var Tooltips = document.querySelectorAll('[data-toggle=tooltip]'), i = 0, tpl = Tooltips.length;
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for (i;i<tpl;i++){
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var item = Tooltips[i], options = {};
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options.animation = item.getAttribute('data-animation');
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options.placement = item.getAttribute('data-placement');
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options.duration = item.getAttribute('data-duration');
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options.delay = item.getAttribute('data-delay');
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new Tooltip(item,options);
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}
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return Tooltip;
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});
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