Merge branch 'keyboard_shortcuts_overlay' of https://github.com/navateja/reveal.js into dev

This commit is contained in:
Hakim El Hattab 2014-06-09 12:21:01 +02:00
commit d539c645c3
2 changed files with 98 additions and 0 deletions

View File

@ -1742,6 +1742,39 @@ body {
} }
.reveal .preview-link-overlay .viewport .shortcuts {
-webkit-column-count: 2;
-moz-column-count: 2;
column-count: 2;
font-size: 20px;
height: 100%;
margin-left: 35%;
margin-top: 20px;
text-align: center;
}
.reveal .preview-link-overlay .viewport .shortcuts table {
border: 1px solid #fff;
border-collapse: collapse;
font-size: 14px;
}
.reveal .preview-link-overlay .viewport .shortcuts table th{
border: 1px solid #fff;
height: 30px;
width: 200px;
padding: 10px;
vertical-align: middle;
}
.reveal .preview-link-overlay .viewport .shortcuts table tr td{
border: 1px solid #fff;
height: 30px;
vertical-align: middle;
padding: 5px;
}
/********************************************* /*********************************************
* PLAYBACK COMPONENT * PLAYBACK COMPONENT

View File

@ -196,6 +196,20 @@
startCount: 0, startCount: 0,
captured: false, captured: false,
threshold: 40 threshold: 40
},
// Holds information about the keyboard shortcuts
keyboard_shortcuts = {
'p': 'Previous slide',
'n': 'Next slide',
'h': 'Navigate left',
'l': 'Navigate right',
'k': 'Navigate up',
'j': 'Navigate down',
'Home': 'First slide',
'End': 'Last slide',
'b': 'Pause',
'f': 'Fullscreen'
}; };
/** /**
@ -863,6 +877,7 @@
if( config.keyboard ) { if( config.keyboard ) {
document.addEventListener( 'keydown', onDocumentKeyDown, false ); document.addEventListener( 'keydown', onDocumentKeyDown, false );
document.addEventListener( 'keypress', onDocumentKeyPress, false );
} }
if( config.progress && dom.progress ) { if( config.progress && dom.progress ) {
@ -906,6 +921,7 @@
eventsAreBound = false; eventsAreBound = false;
document.removeEventListener( 'keydown', onDocumentKeyDown, false ); document.removeEventListener( 'keydown', onDocumentKeyDown, false );
document.removeEventListener( 'keypress', onDocumentKeyPress, false );
window.removeEventListener( 'hashchange', onWindowHashChange, false ); window.removeEventListener( 'hashchange', onWindowHashChange, false );
window.removeEventListener( 'resize', onWindowResize, false ); window.removeEventListener( 'resize', onWindowResize, false );
@ -1268,6 +1284,44 @@
} }
/**
* Opens a overlay window for the keyboard shortcuts.
*/
function openShortcutsOverlay() {
closePreview();
dom.preview = document.createElement( 'div' );
dom.preview.classList.add( 'preview-link-overlay' );
dom.wrapper.appendChild( dom.preview );
var html = '<h5>Keyboard Shortcuts</h5><br/>';
html += '<table> <th>KEY</th> <th>ACTION</th>';
for( var key in keyboard_shortcuts ) {
html += '<tr> <td>' + key + '</td> <td>' + keyboard_shortcuts[key] + '</td> </tr>'
}
html += '</table>';
dom.preview.innerHTML = [
'<header>',
'<a class="close" href="#"><span class="icon"></span></a>',
'</header>',
'<div class="viewport">',
'<div class="shortcuts">'+html+'</div>',
'</div>'
].join('');
dom.preview.querySelector( '.close' ).addEventListener( 'click', function( event ) {
closePreview();
event.preventDefault();
}, false );
setTimeout( function() {
dom.preview.classList.add( 'visible' );
}, 1 );
}
/** /**
* Applies JavaScript-controlled layout rules to the * Applies JavaScript-controlled layout rules to the
* presentation. * presentation.
@ -3232,6 +3286,17 @@
} }
/**
* Handler for the document level 'keypress' event.
*/
function onDocumentKeyPress( event ) {
// Check if the pressed key is question mark
if( event.shiftKey && event.charCode == 63 ) {
openShortcutsOverlay();
}
}
/** /**
* Handler for the document level 'keydown' event. * Handler for the document level 'keydown' event.
*/ */