viewDistance: 3,
// Script dependencies to load
- dependencies: []
+ dependencies: [],
+
+ // Indicates whether to show the slides number
+ showSlideNumber: false
},
// Flags if reveal.js is loaded (has dispatched the 'ready' event)
'<div class="navigate-left"></div>' +
'<div class="navigate-right"></div>' +
'<div class="navigate-up"></div>' +
- '<div class="navigate-down"></div>' );
+ '<div class="navigate-down"></div>' +
+ '<div class="slide-number"></div>' );
// State background element [DEPRECATED]
createSingletonNode( dom.wrapper, 'div', 'state-background', null );
dom.controlsPrev = toArray( document.querySelectorAll( '.navigate-prev' ) );
dom.controlsNext = toArray( document.querySelectorAll( '.navigate-next' ) );
+ dom.slideNumbers = toArray(document.querySelectorAll( '.slide-number' ));
}
/**
dom.controlsNext.forEach( function( el ) { el.addEventListener( eventName, onNavigateNextClicked, false ); } );
} );
+ if( config.showSlideNumber ) {
+ ['ready', 'slidechanged'].forEach( function(eventName) {
+ document.addEventListener( eventName, onSlideChanged, false );
+ } );
+ }
}
/**
dom.controlsNext.forEach( function( el ) { el.removeEventListener( eventName, onNavigateNextClicked, false ); } );
} );
+ if( config.showSlideNumber ) {
+ ['ready', 'slidechanged'].forEach( function(eventName) {
+ document.removeEventListener( eventName, onSlideChanged, false );
+ } );
+ }
}
/**
}
+ /**
+ * Invoked when slide changed and on the first time slides are ready
+ */
+ function onSlideChanged( event ) {
+ var element = dom.slideNumbers;
+
+ // change the number of the page using 'indexh/indexv' format
+ var indexString = ( event.indexh + 1 ).toString();
+ if( indexv > 0 ) {
+ indexString += ' / ' + indexv.toString();
+ }
+
+ element.forEach( function( elm ) {
+ elm.innerHTML = indexString;
+ } );
+ }
+
// --------------------------------------------------------------------//
// ------------------------------- API --------------------------------//