xobs/lca2020-pay-it-forward
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Implemented correct Previous and Next navigation for both mouse scroll and wireless presenter.

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This commit is contained in:
Catalin Buzoiu 2012-03-27 18:45:04 +03:00
parent be76bf3d23
commit 732ed921eb
1 changed files with 20 additions and 4 deletions
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24
js/reveal.js
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@ -187,8 +187,8 @@ var Reveal = (function(){
if( event.keyCode >= 33 && event.keyCode <= 40 ) {
switch( event.keyCode ) {
case 33: navigateLeft(); break; // left for wireless presenter
case 34: navigateRight(); break; // right for wireless presenter
case 33: navigatePrev(); break; // prev for wireless presenter (PgUp)
case 34: navigateNext(); break; // next for wireless presenter (PgDn)
case 37: navigateLeft(); break; // left
case 39: navigateRight(); break; // right
case 38: navigateUp(); break; // up
@ -271,10 +271,10 @@ var Reveal = (function(){
mouseWheelTimeout = setTimeout( function() {
var delta = event.detail || -event.wheelDelta;
if( delta > 0 ) {
availableRoutes().down ? navigateDown() : navigateRight();
navigateNext();
}
else {
availableRoutes().up ? navigateUp() : navigateLeft();
navigatePrev();
}
}, 100 );
}
@ -659,6 +659,22 @@ var Reveal = (function(){
slide();
}
}
function navigatePrev() {
if( availableRoutes().up ) navigateUp();
else {
// Go to last slide in previous vertical stack
var pastSlides = document.querySelectorAll('#reveal .slides>section.past');
if( pastSlides.length > 0 ) {
var prevVerticalSlides = pastSlides[pastSlides.length - 1].querySelectorAll('section');
indexv = prevVerticalSlides.length > 0 ? prevVerticalSlides.length - 1 : 0;
indexh --;
slide();
}
}
}
function navigateNext() {
availableRoutes().down ? navigateDown() : navigateRight();
}
// Expose some methods publicly
return {