disable zoom plugin while in overview mode
parent
c21e6bbfed
commit
080fb3cd33
|
@ -1,29 +1,34 @@
|
|||
// Custom reveal.js integration
|
||||
(function(){
|
||||
document.querySelector( '.reveal' ).addEventListener( 'click', function( event ) {
|
||||
if( event.altKey ) {
|
||||
var isEnabled = true;
|
||||
|
||||
document.querySelector( '.reveal' ).addEventListener( 'mousedown', function( event ) {
|
||||
if( event.altKey && isEnabled ) {
|
||||
event.preventDefault();
|
||||
zoom.to({ element: event.target, pan: false });
|
||||
}
|
||||
} );
|
||||
|
||||
Reveal.addEventListener( 'overviewshown', function() { isEnabled = false; } );
|
||||
Reveal.addEventListener( 'overviewhidden', function() { isEnabled = true; } );
|
||||
})();
|
||||
|
||||
/*!
|
||||
* zoom.js 0.2 (modified version for use with reveal.js)
|
||||
* http://lab.hakim.se/zoom-js
|
||||
* MIT licensed
|
||||
*
|
||||
*
|
||||
* Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
|
||||
*/
|
||||
var zoom = (function(){
|
||||
|
||||
// The current zoom level (scale)
|
||||
var level = 1;
|
||||
|
||||
|
||||
// The current mouse position, used for panning
|
||||
var mouseX = 0,
|
||||
mouseY = 0;
|
||||
|
||||
|
||||
// Timeout before pan is activated
|
||||
var panEngageTimeout = -1,
|
||||
panUpdateInterval = -1;
|
||||
|
@ -36,7 +41,7 @@ var zoom = (function(){
|
|||
'msTransform' in document.body.style ||
|
||||
'OTransform' in document.body.style ||
|
||||
'transform' in document.body.style;
|
||||
|
||||
|
||||
if( supportsTransforms ) {
|
||||
// The easing that will be applied when we zoom in/out
|
||||
document.body.style.transition = 'transform 0.8s ease';
|
||||
|
@ -45,7 +50,7 @@ var zoom = (function(){
|
|||
document.body.style.MozTransition = '-moz-transform 0.8s ease';
|
||||
document.body.style.WebkitTransition = '-webkit-transform 0.8s ease';
|
||||
}
|
||||
|
||||
|
||||
// Zoom out if the user hits escape
|
||||
document.addEventListener( 'keyup', function( event ) {
|
||||
if( level !== 1 && event.keyCode === 27 ) {
|
||||
|
@ -62,21 +67,21 @@ var zoom = (function(){
|
|||
}, false );
|
||||
|
||||
/**
|
||||
* Applies the CSS required to zoom in, prioritizes use of CSS3
|
||||
* Applies the CSS required to zoom in, prioritizes use of CSS3
|
||||
* transforms but falls back on zoom for IE.
|
||||
*
|
||||
* @param {Number} pageOffsetX
|
||||
* @param {Number} pageOffsetY
|
||||
* @param {Number} elementOffsetX
|
||||
* @param {Number} elementOffsetY
|
||||
* @param {Number} scale
|
||||
*
|
||||
* @param {Number} pageOffsetX
|
||||
* @param {Number} pageOffsetY
|
||||
* @param {Number} elementOffsetX
|
||||
* @param {Number} elementOffsetY
|
||||
* @param {Number} scale
|
||||
*/
|
||||
function magnify( pageOffsetX, pageOffsetY, elementOffsetX, elementOffsetY, scale ) {
|
||||
|
||||
if( supportsTransforms ) {
|
||||
var origin = pageOffsetX +'px '+ pageOffsetY +'px',
|
||||
transform = 'translate('+ -elementOffsetX +'px,'+ -elementOffsetY +'px) scale('+ scale +')';
|
||||
|
||||
|
||||
document.body.style.transformOrigin = origin;
|
||||
document.body.style.OTransformOrigin = origin;
|
||||
document.body.style.msTransformOrigin = origin;
|
||||
|
@ -121,7 +126,7 @@ var zoom = (function(){
|
|||
}
|
||||
|
||||
/**
|
||||
* Pan the document when the mosue cursor approaches the edges
|
||||
* Pan the document when the mosue cursor approaches the edges
|
||||
* of the window.
|
||||
*/
|
||||
function pan() {
|
||||
|
@ -129,7 +134,7 @@ var zoom = (function(){
|
|||
rangeX = window.innerWidth * range,
|
||||
rangeY = window.innerHeight * range,
|
||||
scrollOffset = getScrollOffset();
|
||||
|
||||
|
||||
// Up
|
||||
if( mouseY < rangeY ) {
|
||||
window.scroll( scrollOffset.x, scrollOffset.y - ( 1 - ( mouseY / rangeY ) ) * ( 14 / level ) );
|
||||
|
@ -159,7 +164,7 @@ var zoom = (function(){
|
|||
return {
|
||||
/**
|
||||
* Zooms in on either a rectangle or HTML element.
|
||||
*
|
||||
*
|
||||
* @param {Object} options
|
||||
* - element: HTML element to zoom in on
|
||||
* OR
|
||||
|
@ -232,7 +237,7 @@ var zoom = (function(){
|
|||
if( currentOptions && currentOptions.element ) {
|
||||
scrollOffset.x -= ( window.innerWidth - ( currentOptions.width * currentOptions.scale ) ) / 2;
|
||||
}
|
||||
|
||||
|
||||
magnify( scrollOffset.x, scrollOffset.y, 0, 0, 1 );
|
||||
|
||||
level = 1;
|
||||
|
@ -241,11 +246,11 @@ var zoom = (function(){
|
|||
// Alias
|
||||
magnify: function( options ) { this.to( options ) },
|
||||
reset: function() { this.out() },
|
||||
|
||||
|
||||
zoomLevel: function() {
|
||||
return level;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
})();
|
||||
|
||||
|
|
Loading…
Reference in New Issue