268 lines
12 KiB
JavaScript
Executable File
268 lines
12 KiB
JavaScript
Executable File
jQuery(document).ready(function($){
|
|
var timelines = $('.cd-horizontal-timeline'),
|
|
eventsMinDistance = 60;
|
|
|
|
(timelines.length > 0) && initTimeline(timelines);
|
|
|
|
function initTimeline(timelines) {
|
|
timelines.each(function(){
|
|
var timeline = $(this),
|
|
timelineComponents = {};
|
|
//cache timeline components
|
|
timelineComponents['timelineWrapper'] = timeline.find('.events-wrapper');
|
|
timelineComponents['eventsWrapper'] = timelineComponents['timelineWrapper'].children('.events');
|
|
timelineComponents['fillingLine'] = timelineComponents['eventsWrapper'].children('.filling-line');
|
|
timelineComponents['timelineEvents'] = timelineComponents['eventsWrapper'].find('a');
|
|
timelineComponents['timelineDates'] = parseDate(timelineComponents['timelineEvents']);
|
|
timelineComponents['eventsMinLapse'] = minLapse(timelineComponents['timelineDates']);
|
|
timelineComponents['timelineNavigation'] = timeline.find('.cd-timeline-navigation');
|
|
timelineComponents['eventsContent'] = timeline.children('.events-content');
|
|
|
|
//assign a left postion to the single events along the timeline
|
|
setDatePosition(timelineComponents, eventsMinDistance);
|
|
//assign a width to the timeline
|
|
var timelineTotWidth = setTimelineWidth(timelineComponents, eventsMinDistance);
|
|
//the timeline has been initialize - show it
|
|
timeline.addClass('loaded');
|
|
|
|
//detect click on the next arrow
|
|
timelineComponents['timelineNavigation'].on('click', '.next', function(event){
|
|
event.preventDefault();
|
|
updateSlide(timelineComponents, timelineTotWidth, 'next');
|
|
});
|
|
//detect click on the prev arrow
|
|
timelineComponents['timelineNavigation'].on('click', '.prev', function(event){
|
|
event.preventDefault();
|
|
updateSlide(timelineComponents, timelineTotWidth, 'prev');
|
|
});
|
|
//detect click on the a single event - show new event content
|
|
timelineComponents['eventsWrapper'].on('click', 'a', function(event){
|
|
event.preventDefault();
|
|
timelineComponents['timelineEvents'].removeClass('selected');
|
|
$(this).addClass('selected');
|
|
updateOlderEvents($(this));
|
|
updateFilling($(this), timelineComponents['fillingLine'], timelineTotWidth);
|
|
updateVisibleContent($(this), timelineComponents['eventsContent']);
|
|
});
|
|
|
|
//on swipe, show next/prev event content
|
|
timelineComponents['eventsContent'].on('swipeleft', function(){
|
|
var mq = checkMQ();
|
|
( mq == 'mobile' ) && showNewContent(timelineComponents, timelineTotWidth, 'next');
|
|
});
|
|
timelineComponents['eventsContent'].on('swiperight', function(){
|
|
var mq = checkMQ();
|
|
( mq == 'mobile' ) && showNewContent(timelineComponents, timelineTotWidth, 'prev');
|
|
});
|
|
|
|
//keyboard navigation
|
|
$(document).keyup(function(event){
|
|
if(event.which=='37' && elementInViewport(timeline.get(0)) ) {
|
|
showNewContent(timelineComponents, timelineTotWidth, 'prev');
|
|
} else if( event.which=='39' && elementInViewport(timeline.get(0))) {
|
|
showNewContent(timelineComponents, timelineTotWidth, 'next');
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
function updateSlide(timelineComponents, timelineTotWidth, string) {
|
|
//retrieve translateX value of timelineComponents['eventsWrapper']
|
|
var translateValue = getTranslateValue(timelineComponents['eventsWrapper']),
|
|
wrapperWidth = Number(timelineComponents['timelineWrapper'].css('width').replace('px', ''));
|
|
//translate the timeline to the left('next')/right('prev')
|
|
(string == 'next')
|
|
? translateTimeline(timelineComponents, translateValue - wrapperWidth + eventsMinDistance, wrapperWidth - timelineTotWidth)
|
|
: translateTimeline(timelineComponents, translateValue + wrapperWidth - eventsMinDistance);
|
|
}
|
|
|
|
function showNewContent(timelineComponents, timelineTotWidth, string) {
|
|
//go from one event to the next/previous one
|
|
var visibleContent = timelineComponents['eventsContent'].find('.selected'),
|
|
newContent = ( string == 'next' ) ? visibleContent.next() : visibleContent.prev();
|
|
|
|
if ( newContent.length > 0 ) { //if there's a next/prev event - show it
|
|
var selectedDate = timelineComponents['eventsWrapper'].find('.selected'),
|
|
newEvent = ( string == 'next' ) ? selectedDate.parent('li').next('li').children('a') : selectedDate.parent('li').prev('li').children('a');
|
|
|
|
updateFilling(newEvent, timelineComponents['fillingLine'], timelineTotWidth);
|
|
updateVisibleContent(newEvent, timelineComponents['eventsContent']);
|
|
newEvent.addClass('selected');
|
|
selectedDate.removeClass('selected');
|
|
updateOlderEvents(newEvent);
|
|
updateTimelinePosition(string, newEvent, timelineComponents);
|
|
}
|
|
}
|
|
|
|
function updateTimelinePosition(string, event, timelineComponents) {
|
|
//translate timeline to the left/right according to the position of the selected event
|
|
var eventStyle = window.getComputedStyle(event.get(0), null),
|
|
eventLeft = Number(eventStyle.getPropertyValue("left").replace('px', '')),
|
|
timelineWidth = Number(timelineComponents['timelineWrapper'].css('width').replace('px', '')),
|
|
timelineTotWidth = Number(timelineComponents['eventsWrapper'].css('width').replace('px', ''));
|
|
var timelineTranslate = getTranslateValue(timelineComponents['eventsWrapper']);
|
|
|
|
if( (string == 'next' && eventLeft > timelineWidth - timelineTranslate) || (string == 'prev' && eventLeft < - timelineTranslate) ) {
|
|
translateTimeline(timelineComponents, - eventLeft + timelineWidth/2, timelineWidth - timelineTotWidth);
|
|
}
|
|
}
|
|
|
|
function translateTimeline(timelineComponents, value, totWidth) {
|
|
var eventsWrapper = timelineComponents['eventsWrapper'].get(0);
|
|
value = (value > 0) ? 0 : value; //only negative translate value
|
|
value = ( !(typeof totWidth === 'undefined') && value < totWidth ) ? totWidth : value; //do not translate more than timeline width
|
|
setTransformValue(eventsWrapper, 'translateX', value+'px');
|
|
//update navigation arrows visibility
|
|
(value == 0 ) ? timelineComponents['timelineNavigation'].find('.prev').addClass('inactive') : timelineComponents['timelineNavigation'].find('.prev').removeClass('inactive');
|
|
(value == totWidth ) ? timelineComponents['timelineNavigation'].find('.next').addClass('inactive') : timelineComponents['timelineNavigation'].find('.next').removeClass('inactive');
|
|
}
|
|
|
|
function updateFilling(selectedEvent, filling, totWidth) {
|
|
//change .filling-line length according to the selected event
|
|
var eventStyle = window.getComputedStyle(selectedEvent.get(0), null),
|
|
eventLeft = eventStyle.getPropertyValue("left"),
|
|
eventWidth = eventStyle.getPropertyValue("width");
|
|
eventLeft = Number(eventLeft.replace('px', '')) + Number(eventWidth.replace('px', ''))/2;
|
|
var scaleValue = eventLeft/totWidth;
|
|
setTransformValue(filling.get(0), 'scaleX', scaleValue);
|
|
}
|
|
|
|
function setDatePosition(timelineComponents, min) {
|
|
for (i = 0; i < timelineComponents['timelineDates'].length; i++) {
|
|
var distance = daydiff(timelineComponents['timelineDates'][0], timelineComponents['timelineDates'][i]),
|
|
distanceNorm = Math.round(distance/timelineComponents['eventsMinLapse']) + 2;
|
|
timelineComponents['timelineEvents'].eq(i).css('left', distanceNorm*min+'px');
|
|
}
|
|
}
|
|
|
|
function setTimelineWidth(timelineComponents, width) {
|
|
var timeSpan = daydiff(timelineComponents['timelineDates'][0], timelineComponents['timelineDates'][timelineComponents['timelineDates'].length-1]),
|
|
timeSpanNorm = timeSpan/timelineComponents['eventsMinLapse'],
|
|
timeSpanNorm = Math.round(timeSpanNorm) + 4,
|
|
totalWidth = timeSpanNorm*width;
|
|
timelineComponents['eventsWrapper'].css('width', totalWidth+'px');
|
|
updateFilling(timelineComponents['eventsWrapper'].find('a.selected'), timelineComponents['fillingLine'], totalWidth);
|
|
updateTimelinePosition('next', timelineComponents['eventsWrapper'].find('a.selected'), timelineComponents);
|
|
|
|
return totalWidth;
|
|
}
|
|
|
|
function updateVisibleContent(event, eventsContent) {
|
|
var eventDate = event.data('date'),
|
|
visibleContent = eventsContent.find('.selected'),
|
|
selectedContent = eventsContent.find('[data-date="'+ eventDate +'"]'),
|
|
selectedContentHeight = selectedContent.height();
|
|
|
|
if (selectedContent.index() > visibleContent.index()) {
|
|
var classEnetering = 'selected enter-right',
|
|
classLeaving = 'leave-left';
|
|
} else {
|
|
var classEnetering = 'selected enter-left',
|
|
classLeaving = 'leave-right';
|
|
}
|
|
|
|
selectedContent.attr('class', classEnetering);
|
|
visibleContent.attr('class', classLeaving).one('webkitAnimationEnd oanimationend msAnimationEnd animationend', function(){
|
|
visibleContent.removeClass('leave-right leave-left');
|
|
selectedContent.removeClass('enter-left enter-right');
|
|
});
|
|
eventsContent.css('height', selectedContentHeight+'px');
|
|
}
|
|
|
|
function updateOlderEvents(event) {
|
|
event.parent('li').prevAll('li').children('a').addClass('older-event').end().end().nextAll('li').children('a').removeClass('older-event');
|
|
}
|
|
|
|
function getTranslateValue(timeline) {
|
|
var timelineStyle = window.getComputedStyle(timeline.get(0), null),
|
|
timelineTranslate = timelineStyle.getPropertyValue("-webkit-transform") ||
|
|
timelineStyle.getPropertyValue("-moz-transform") ||
|
|
timelineStyle.getPropertyValue("-ms-transform") ||
|
|
timelineStyle.getPropertyValue("-o-transform") ||
|
|
timelineStyle.getPropertyValue("transform");
|
|
|
|
if( timelineTranslate.indexOf('(') >=0 ) {
|
|
var timelineTranslate = timelineTranslate.split('(')[1];
|
|
timelineTranslate = timelineTranslate.split(')')[0];
|
|
timelineTranslate = timelineTranslate.split(',');
|
|
var translateValue = timelineTranslate[4];
|
|
} else {
|
|
var translateValue = 0;
|
|
}
|
|
|
|
return Number(translateValue);
|
|
}
|
|
|
|
function setTransformValue(element, property, value) {
|
|
element.style["-webkit-transform"] = property+"("+value+")";
|
|
element.style["-moz-transform"] = property+"("+value+")";
|
|
element.style["-ms-transform"] = property+"("+value+")";
|
|
element.style["-o-transform"] = property+"("+value+")";
|
|
element.style["transform"] = property+"("+value+")";
|
|
}
|
|
|
|
//based on http://stackoverflow.com/questions/542938/how-do-i-get-the-number-of-days-between-two-dates-in-javascript
|
|
function parseDate(events) {
|
|
var dateArrays = [];
|
|
events.each(function(){
|
|
var singleDate = $(this),
|
|
dateComp = singleDate.data('date').split('T');
|
|
if( dateComp.length > 1 ) { //both DD/MM/YEAR and time are provided
|
|
var dayComp = dateComp[0].split('/'),
|
|
timeComp = dateComp[1].split(':');
|
|
} else if( dateComp[0].indexOf(':') >=0 ) { //only time is provide
|
|
var dayComp = ["2000", "0", "0"],
|
|
timeComp = dateComp[0].split(':');
|
|
} else { //only DD/MM/YEAR
|
|
var dayComp = dateComp[0].split('/'),
|
|
timeComp = ["0", "0"];
|
|
}
|
|
var newDate = new Date(dayComp[2], dayComp[1]-1, dayComp[0], timeComp[0], timeComp[1]);
|
|
dateArrays.push(newDate);
|
|
});
|
|
return dateArrays;
|
|
}
|
|
|
|
function daydiff(first, second) {
|
|
return Math.round((second-first));
|
|
}
|
|
|
|
function minLapse(dates) {
|
|
//determine the minimum distance among events
|
|
var dateDistances = [];
|
|
for (i = 1; i < dates.length; i++) {
|
|
var distance = daydiff(dates[i-1], dates[i]);
|
|
dateDistances.push(distance);
|
|
}
|
|
return Math.min.apply(null, dateDistances);
|
|
}
|
|
|
|
/*
|
|
How to tell if a DOM element is visible in the current viewport?
|
|
http://stackoverflow.com/questions/123999/how-to-tell-if-a-dom-element-is-visible-in-the-current-viewport
|
|
*/
|
|
function elementInViewport(el) {
|
|
var top = el.offsetTop;
|
|
var left = el.offsetLeft;
|
|
var width = el.offsetWidth;
|
|
var height = el.offsetHeight;
|
|
|
|
while(el.offsetParent) {
|
|
el = el.offsetParent;
|
|
top += el.offsetTop;
|
|
left += el.offsetLeft;
|
|
}
|
|
|
|
return (
|
|
top < (window.pageYOffset + window.innerHeight) &&
|
|
left < (window.pageXOffset + window.innerWidth) &&
|
|
(top + height) > window.pageYOffset &&
|
|
(left + width) > window.pageXOffset
|
|
);
|
|
}
|
|
|
|
function checkMQ() {
|
|
//check if mobile or desktop device
|
|
return window.getComputedStyle(document.querySelector('.cd-horizontal-timeline'), '::before').getPropertyValue('content').replace(/'/g, "").replace(/"/g, "");
|
|
}
|
|
}); |