blallo/presentazione-papero
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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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57
js/reveal.js
View File

@ -26,7 +26,7 @@ var Reveal = (function(){
rollingLinks: true, rollingLinks: true,
transition: 'default', transition: 'default',
theme: 'default', theme: 'default',
swipeDist: 30 swipeDist: 40
}, },
// Slides may hold a data-state attribute which we pick up and apply // Slides may hold a data-state attribute which we pick up and apply
@ -56,6 +56,8 @@ var Reveal = (function(){
// Delays updates to the URL due to a Chrome thumbnailer bug // Delays updates to the URL due to a Chrome thumbnailer bug
writeURLTimeout = 0; writeURLTimeout = 0;
/** /**
* Starts up the slideshow by applying configuration * Starts up the slideshow by applying configuration
* options and binding various events. * options and binding various events.
@ -80,16 +82,7 @@ var Reveal = (function(){
dom.controlsUp = document.querySelector( '#reveal .controls .up' ); dom.controlsUp = document.querySelector( '#reveal .controls .up' );
dom.controlsDown = document.querySelector( '#reveal .controls .down' ); dom.controlsDown = document.querySelector( '#reveal .controls .down' );
// Bind all view events addEvents();
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 );
// Copy options over to our config object // Copy options over to our config object
extend( config, options ); extend( config, options );
@ -138,8 +131,34 @@ var Reveal = (function(){
window.addEventListener( 'load', removeAddressBar, false ); window.addEventListener( 'load', removeAddressBar, false );
window.addEventListener( 'orientationchange', 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. * Extend object a with the properties of object b.
* If there's a conflict, object b takes precedence. * If there's a conflict, object b takes precedence.
@ -227,7 +246,6 @@ var Reveal = (function(){
} }
} }
/** /**
* Handler for the document level 'touchstart' event. * Handler for the document level 'touchstart' event.
* *
@ -358,6 +376,7 @@ var Reveal = (function(){
* can't be improved. * can't be improved.
*/ */
function activateOverview() { function activateOverview() {
dom.wrapper.classList.add( 'overview' ); dom.wrapper.classList.add( 'overview' );
var horizontalSlides = Array.prototype.slice.call( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ); var horizontalSlides = Array.prototype.slice.call( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
@ -397,6 +416,7 @@ var Reveal = (function(){
// Navigate to this slide on click // Navigate to this slide on click
vslide.addEventListener( 'click', onOverviewSlideClicked, true ); vslide.addEventListener( 'click', onOverviewSlideClicked, true );
} }
} }
} }
@ -806,6 +826,14 @@ var Reveal = (function(){
availableRoutes().down ? navigateDown() : navigateRight(); availableRoutes().down ? navigateDown() : navigateRight();
} }
} }
function overviewToggle (){
if( overviewIsActive() ) {
deactivateOverview();
}
else {
activateOverview();
}
}
// Expose some methods publicly // Expose some methods publicly
return { return {
@ -815,6 +843,9 @@ var Reveal = (function(){
navigateRight: navigateRight, navigateRight: navigateRight,
navigateUp: navigateUp, navigateUp: navigateUp,
navigateDown: navigateDown, navigateDown: navigateDown,
overviewToggle: overviewToggle,
addEvents: addEvents,
removeEvents: removeEvents,
// Forward event binding to the reveal DOM element // Forward event binding to the reveal DOM element
addEventListener: function( type, listener, useCapture ) { addEventListener: function( type, listener, useCapture ) {