Difference between revisions of "Template:Team:NUS Singapore/JS"

 
(11 intermediate revisions by the same user not shown)
Line 1,689: Line 1,689:
 
    } else{
 
    } else{
 
    document.getElementById("menu-item-"+id).className += " focus";
 
    document.getElementById("menu-item-"+id).className += " focus";
 +
    }
 +
 +
                            if(id == 2 || id == 3 || id == 4 || id == 7 || id == 9){
 +
    $("#sidebar-arrow-" + id).toggleClass("side-bar-arrow-up");
 
    }
 
    }
  
Line 1,713: Line 1,717:
  
 
var setCss = function() {
 
var setCss = function() {
−
if($(window).width() <= 550) {
+
if($(window).width() <= 900) {
−
$('#nus_logo').css('left', "15%");
+
                                                $('#nus_logo').css('left', "10%");
 
$('#sci_logo').css('display', "none");
 
$('#sci_logo').css('display', "none");
 
$('#sps_logo').css('display', "none");
 
$('#sps_logo').css('display', "none");
−
$('#igem_logo').css('display', "none");
+
                                                $('.canvas_parts').css('display', "none");
 
}else{
 
}else{
 
$('#nus_logo').css('left', "0%");
 
$('#nus_logo').css('left', "0%");
 
$('#sci_logo').css('display', "block");
 
$('#sci_logo').css('display', "block");
 
$('#sps_logo').css('display', "block");
 
$('#sps_logo').css('display', "block");
−
$('#igem_logo').css('display', "block");
+
                                                $('.canvas_parts').css('display', "block");
 
}
 
}
 
};
 
};
Line 1,870: Line 1,874:
 
               };
 
               };
 
</script>
 
</script>
 +
<script>
 +
$(function() {
 +
 +
var $sidescroll = (function() {
 +
 +
// the row elements
 +
var $rows = $('#ss-container > div.ss-row'),
 +
// we will cache the inviewport rows and the outside viewport rows
 +
$rowsViewport, $rowsOutViewport,
 +
// navigation menu links
 +
$links = $('#ss-links > a'),
 +
// the window element
 +
$win = $(window),
 +
// we will store the window sizes here
 +
winSize = {},
 +
// used in the scroll setTimeout function
 +
anim = false,
 +
// page scroll speed
 +
scollPageSpeed = 2000 ,
 +
// page scroll easing
 +
scollPageEasing = 'easeInOutExpo',
 +
// perspective?
 +
hasPerspective = false,
 +
 +
perspective = hasPerspective,
 +
// initialize function
 +
init = function() {
 +
 +
// get window sizes
 +
getWinSize();
 +
// initialize events
 +
initEvents();
 +
// define the inviewport selector
 +
defineViewport();
 +
// gets the elements that match the previous selector
 +
setViewportRows();
 +
// if perspective add css
 +
if( perspective ) {
 +
$rows.css({
 +
'-webkit-perspective' : 600,
 +
'-webkit-perspective-origin' : '50% 0%'
 +
});
 +
}
 +
// show the pointers for the inviewport rows
 +
$rowsViewport.find('a.ss-circle').addClass('ss-circle-deco');
 +
// set positions for each row
 +
placeRows();
 +
 +
},
 +
// defines a selector that gathers the row elems that are initially visible.
 +
// the element is visible if its top is less than the window's height.
 +
// these elements will not be affected when scrolling the page.
 +
defineViewport = function() {
 +
 +
$.extend( $.expr[':'], {
 +
 +
inviewport : function ( el ) {
 +
if ( $(el).offset().top < winSize.height ) {
 +
return true;
 +
}
 +
return false;
 +
}
 +
 +
});
 +
 +
},
 +
// checks which rows are initially visible
 +
setViewportRows = function() {
 +
 +
$rowsViewport = $rows.filter(':inviewport');
 +
$rowsOutViewport = $rows.not( $rowsViewport )
 +
 +
},
 +
// get window sizes
 +
getWinSize = function() {
 +
 +
winSize.width = $win.width();
 +
winSize.height = $win.height();
 +
 +
},
 +
// initialize some events
 +
initEvents = function() {
 +
 +
// navigation menu links.
 +
// scroll to the respective section.
 +
$links.on( 'click.Scrolling', function( event ) {
 +
 +
// scroll to the element that has id = menu's href
 +
$('html, body').stop().animate({
 +
scrollTop: $( $(this).attr('href') ).offset().top
 +
}, scollPageSpeed, scollPageEasing );
 +
 +
return false;
 +
 +
});
 +
 +
$(window).on({
 +
// on window resize we need to redefine which rows are initially visible (this ones we will not animate).
 +
'resize.Scrolling' : function( event ) {
 +
 +
// get the window sizes again
 +
getWinSize();
 +
// redefine which rows are initially visible (:inviewport)
 +
setViewportRows();
 +
// remove pointers for every row
 +
$rows.find('a.ss-circle').removeClass('ss-circle-deco');
 +
// show inviewport rows and respective pointers
 +
$rowsViewport.each( function() {
 +
 +
$(this).find('div.ss-left')
 +
  .css({ left  : '0%' })
 +
  .end()
 +
  .find('div.ss-right')
 +
  .css({ right  : '0%' })
 +
  .end()
 +
  .find('a.ss-circle')
 +
  .addClass('ss-circle-deco');
 +
 +
});
 +
 +
},
 +
// when scrolling the page change the position of each row
 +
'scroll.Scrolling' : function( event ) {
 +
 +
// set a timeout to avoid that the
 +
// placeRows function gets called on every scroll trigger
 +
if( anim ) return false;
 +
anim = true;
 +
setTimeout( function() {
 +
 +
placeRows();
 +
anim = false;
 +
 +
}, 10 );
 +
 +
}
 +
});
 +
 +
},
 +
// sets the position of the rows (left and right row elements).
 +
// Both of these elements will start with -50% for the left/right (not visible)
 +
// and this value should be 0% (final position) when the element is on the
 +
// center of the window.
 +
placeRows = function() {
 +
 +
// how much we scrolled so far
 +
var winscroll = $win.scrollTop(),
 +
// the y value for the center of the screen
 +
winCenter = winSize.height / 2 + winscroll;
 +
 +
// for every row that is not inviewport
 +
$rowsOutViewport.each( function(i) {
 +
 +
var $row = $(this),
 +
// the left side element
 +
$rowL = $row.find('div.ss-left'),
 +
// the right side element
 +
$rowR = $row.find('div.ss-right'),
 +
// top value
 +
rowT = $row.offset().top;
 +
 +
// hide the row if it is under the viewport
 +
if( rowT > winSize.height + winscroll ) {
 +
 +
if( perspective ) {
 +
 +
$rowL.css({
 +
'-webkit-transform' : 'translate3d(-75%, 0, 0) rotateY(-90deg) translate3d(-75%, 0, 0)',
 +
'opacity' : 0
 +
});
 +
$rowR.css({
 +
'-webkit-transform' : 'translate3d(75%, 0, 0) rotateY(90deg) translate3d(75%, 0, 0)',
 +
'opacity' : 0
 +
});
 +
 +
}
 +
else {
 +
 +
$rowL.css({ left : '-50%' });
 +
$rowR.css({ right : '-50%' });
 +
 +
}
 +
 +
}
 +
// if not, the row should become visible (0% of left/right) as it gets closer to the center of the screen.
 +
else {
 +
 +
// row's height
 +
var rowH = $row.height(),
 +
// the value on each scrolling step will be proporcional to the distance from the center of the screen to its height
 +
factor = ( ( ( rowT + rowH / 2 ) - winCenter ) / ( winSize.height / 2 + rowH / 2 ) ),
 +
// value for the left / right of each side of the row.
 +
// 0% is the limit
 +
val = Math.max( factor * 50, 0 );
 +
 +
if( val <= 0 ) {
 +
 +
// when 0% is reached show the pointer for that row
 +
if( !$row.data('pointer') ) {
 +
 +
$row.data( 'pointer', true );
 +
$row.find('.ss-circle').addClass('ss-circle-deco');
 +
 +
}
 +
 +
}
 +
else {
 +
 +
// the pointer should not be shown
 +
if( $row.data('pointer') ) {
 +
 +
$row.data( 'pointer', false );
 +
$row.find('.ss-circle').removeClass('ss-circle-deco');
 +
 +
}
 +
 +
}
 +
 +
// set calculated values
 +
if( perspective ) {
 +
 +
var t = Math.max( factor * 75, 0 ),
 +
r = Math.max( factor * 90, 0 ),
 +
o = Math.min( Math.abs( factor - 1 ), 1 );
 +
 +
$rowL.css({
 +
'-webkit-transform' : 'translate3d(-' + t + '%, 0, 0) rotateY(-' + r + 'deg) translate3d(-' + t + '%, 0, 0)',
 +
'opacity' : o
 +
});
 +
$rowR.css({
 +
'-webkit-transform' : 'translate3d(' + t + '%, 0, 0) rotateY(' + r + 'deg) translate3d(' + t + '%, 0, 0)',
 +
'opacity' : o
 +
});
 +
 +
}
 +
else {
 +
 +
$rowL.css({ left : - val + '%' });
 +
$rowR.css({ right : - val + '%' });
 +
 +
}
 +
 +
}
 +
 +
});
 +
 +
};
 +
 +
return { init : init };
 +
 +
})();
 +
 +
$sidescroll.init();
 +
 +
});
 +
$(document).ready(function() {
 +
// Show or hide the sticky footer button
 +
$(window).scroll(function() {
 +
if ($(this).scrollTop() > 200) {
 +
$('.go-top').fadeIn(200);
 +
} else {
 +
$('.go-top').fadeOut(200);
 +
}
 +
});
 +
 +
// Animate the scroll to top
 +
$('.go-top').click(function(event) {
 +
event.preventDefault();
 +
 +
$('html, body').animate({scrollTop: 0}, 300);
 +
})
 +
});
 +
</script>
 
</html>
 
</html>

Latest revision as of 07:39, 16 October 2016