zeyev/presentazione
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added some public access methods

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Added overview toggle to allow for button-based overview toggling

Added add/removeEvents methods to allow for adding& removing event
listeners that may interfere with other libs.
This commit is contained in:
Aaron Kiersky 2012-06-01 13:31:01 -04:00
parent 8554050933
commit 6053fe5a97
1 changed files with 46 additions and 15 deletions
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61
js/reveal.js
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@ -26,7 +26,7 @@ var Reveal = (function(){
rollingLinks: true,
transition: 'default',
theme: 'default',
swipeDist: 30
swipeDist: 40
},
// Slides may hold a data-state attribute which we pick up and apply
@ -55,6 +55,8 @@ var Reveal = (function(){
// Delays updates to the URL due to a Chrome thumbnailer bug
writeURLTimeout = 0;
/**
* Starts up the slideshow by applying configuration
@ -80,16 +82,7 @@ var Reveal = (function(){
dom.controlsUp = document.querySelector( '#reveal .controls .up' );
dom.controlsDown = document.querySelector( '#reveal .controls .down' );
// Bind all view events
document.addEventListener( 'keydown', onDocumentKeyDown, false );
document.addEventListener( 'touchstart', onDocumentTouchStart, false );
document.addEventListener( 'touchmove', onDocumentTouchMove, false );
document.addEventListener( 'touchend', onDocumentTouchEnd, false );
window.addEventListener( 'hashchange', onWindowHashChange, false );
dom.controlsLeft.addEventListener( 'click', preventAndForward( navigateLeft ), false );
dom.controlsRight.addEventListener( 'click', preventAndForward( navigateRight ), false );
dom.controlsUp.addEventListener( 'click', preventAndForward( navigateUp ), false );
dom.controlsDown.addEventListener( 'click', preventAndForward( navigateDown ), false );
addEvents();
// Copy options over to our config object
extend( config, options );
@ -138,8 +131,34 @@ var Reveal = (function(){
window.addEventListener( 'load', removeAddressBar, false );
window.addEventListener( 'orientationchange', removeAddressBar, false );
}
}
function addEvents() {
// Bind all view events
document.addEventListener( 'keydown', onDocumentKeyDown, false );
document.addEventListener( 'touchstart', onDocumentTouchStart, false );
document.addEventListener( 'touchmove', onDocumentTouchMove, false );
document.addEventListener( 'touchend', onDocumentTouchEnd, false );
window.addEventListener( 'hashchange', onWindowHashChange, false );
dom.controlsLeft.addEventListener( 'click', preventAndForward( navigateLeft ), false );
dom.controlsRight.addEventListener( 'click', preventAndForward( navigateRight ), false );
dom.controlsUp.addEventListener( 'click', preventAndForward( navigateUp ), false );
dom.controlsDown.addEventListener( 'click', preventAndForward( navigateDown ), false );
}
function removeEvents(){
// Bind all view events
document.removeEventListener( 'keydown', onDocumentKeyDown, false );
document.removeEventListener( 'touchstart', onDocumentTouchStart, false );
document.removeEventListener( 'touchmove', onDocumentTouchMove, false );
document.removeEventListener( 'touchend', onDocumentTouchEnd, false );
window.removeEventListener( 'hashchange', onWindowHashChange, false );
dom.controlsLeft.removeEventListener( 'click', preventAndForward( navigateLeft ), false );
dom.controlsRight.removeEventListener( 'click', preventAndForward( navigateRight ), false );
dom.controlsUp.removeEventListener( 'click', preventAndForward( navigateUp ), false );
dom.controlsDown.removeEventListener( 'click', preventAndForward( navigateDown ), false );
}
/**
* Extend object a with the properties of object b.
* If there's a conflict, object b takes precedence.
@ -227,7 +246,6 @@ var Reveal = (function(){
}
}
/**
* Handler for the document level 'touchstart' event.
*
@ -358,6 +376,7 @@ var Reveal = (function(){
* can't be improved.
*/
function activateOverview() {
dom.wrapper.classList.add( 'overview' );
var horizontalSlides = Array.prototype.slice.call( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
@ -373,12 +392,12 @@ var Reveal = (function(){
hslide.style.msTransform = htransform;
hslide.style.OTransform = htransform;
hslide.style.transform = htransform;
if( !hslide.classList.contains( 'stack' ) ) {
// Navigate to this slide on click
hslide.addEventListener( 'click', onOverviewSlideClicked, true );
}
var verticalSlides = Array.prototype.slice.call( hslide.querySelectorAll( 'section' ) );
for( var j = 0, len2 = verticalSlides.length; j < len2; j++ ) {
@ -397,6 +416,7 @@ var Reveal = (function(){
// Navigate to this slide on click
vslide.addEventListener( 'click', onOverviewSlideClicked, true );
}
}
}
@ -806,6 +826,14 @@ var Reveal = (function(){
availableRoutes().down ? navigateDown() : navigateRight();
}
}
function overviewToggle (){
if( overviewIsActive() ) {
deactivateOverview();
}
else {
activateOverview();
}
}
// Expose some methods publicly
return {
@ -815,6 +843,9 @@ var Reveal = (function(){
navigateRight: navigateRight,
navigateUp: navigateUp,
navigateDown: navigateDown,
overviewToggle: overviewToggle,
addEvents: addEvents,
removeEvents: removeEvents,
// Forward event binding to the reveal DOM element
addEventListener: function( type, listener, useCapture ) {