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simplify client side notes plugin

This commit is contained in:
Hakim El Hattab 2013-07-26 09:48:21 -04:00
parent 8bf19ab61f
commit 03385d7245
2 changed files with 29 additions and 59 deletions
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16
plugin/notes/notes.html
View File

@ -173,6 +173,7 @@
window.addEventListener( 'message', function( event ) {
var data = JSON.parse( event.data );
// No need for updating the notes in case of fragment changes
if ( data.notes !== undefined) {
if( data.markdown ) {
@ -183,18 +184,9 @@
}
}
// Showing and hiding fragments
if( data.fragment === 'next' ) {
currentSlide.contentWindow.Reveal.nextFragment();
}
else if( data.fragment === 'prev' ) {
currentSlide.contentWindow.Reveal.prevFragment();
}
else {
// Update the note slides
currentSlide.contentWindow.Reveal.slide( data.indexh, data.indexv );
nextSlide.contentWindow.Reveal.slide( data.nextindexh, data.nextindexv );
}
// Update the note slides
currentSlide.contentWindow.Reveal.slide( data.indexh, data.indexv, data.indexf );
nextSlide.contentWindow.Reveal.slide( data.nextindexh, data.nextindexv );
}, false );

72
plugin/notes/notes.js
View File

@ -10,72 +10,50 @@ var RevealNotes = (function() {
var notesPopup = window.open( jsFileLocation + 'notes.html', 'reveal.js - Notes', 'width=1120,height=850' );
// Fires when slide is changed
Reveal.addEventListener( 'slidechanged', function( event ) {
post('slidechanged');
} );
Reveal.addEventListener( 'slidechanged', post );
// Fires when a fragment is shown
Reveal.addEventListener( 'fragmentshown', function( event ) {
post('fragmentshown');
} );
Reveal.addEventListener( 'fragmentshown', post );
// Fires when a fragment is hidden
Reveal.addEventListener( 'fragmenthidden', function( event ) {
post('fragmenthidden');
} );
Reveal.addEventListener( 'fragmenthidden', post );
/**
* Posts the current slide data to the notes window
*
* @param {String} eventType Expecting 'slidechanged', 'fragmentshown'
* or 'fragmenthidden' set in the events above to define the needed
* slideDate.
*/
function post( eventType ) {
function post() {
var slideElement = Reveal.getCurrentSlide(),
slideIndices = Reveal.getIndices(),
messageData;
if( eventType === 'slidechanged' ) {
var notes = slideElement.querySelector( 'aside.notes' ),
indexh = Reveal.getIndices().h,
indexv = Reveal.getIndices().v,
nextindexh,
nextindexv;
var notes = slideElement.querySelector( 'aside.notes' ),
nextindexh,
nextindexv;
if( slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION' ) {
nextindexh = indexh;
nextindexv = indexv + 1;
} else {
nextindexh = indexh + 1;
nextindexv = 0;
}
if( slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION' ) {
nextindexh = slideIndices.h;
nextindexv = slideIndices.v + 1;
} else {
nextindexh = slideIndices.h + 1;
nextindexv = 0;
}
messageData = {
notes : notes ? notes.innerHTML : '',
indexh : indexh,
indexv : indexv,
nextindexh : nextindexh,
nextindexv : nextindexv,
markdown : notes ? typeof notes.getAttribute( 'data-markdown' ) === 'string' : false
};
}
else if( eventType === 'fragmentshown' ) {
messageData = {
fragment : 'next'
};
}
else if( eventType === 'fragmenthidden' ) {
messageData = {
fragment : 'prev'
};
}
messageData = {
notes : notes ? notes.innerHTML : '',
indexh : slideIndices.h,
indexv : slideIndices.v,
indexf : slideIndices.f,
nextindexh : nextindexh,
nextindexv : nextindexv,
markdown : notes ? typeof notes.getAttribute( 'data-markdown' ) === 'string' : false
};
notesPopup.postMessage( JSON.stringify( messageData ), '*' );
}
// Navigate to the current slide when the notes are loaded
notesPopup.addEventListener( 'load', function( event ) {
post('slidechanged');
post();
}, false );
}