mediawiki-extensions-Visual.../demos/ve/eventLogger.html

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Keyboard Event Logger</title>
<style>
html {
margin: 0;
padding: 0;
height: 100%;
}
body {
margin: 1em;
padding: 0;
height: 100%;
}
#ve-demo-halo {
width: 100%;
min-height: 2em;
}
#ve-demo-content {
border: 1px solid gray;
width: 100%;
min-height: 2em;
max-height: 15%;
overflow-y: auto;
}
#ve-demo-log {
margin-top: 1em;
border: 1px solid gray;
width: 100%;
height: 80%;
white-space: pre;
font-family: monospace;
padding: 0;
overflow-y: auto;
}
</style>
</head>
<body>
<form id="ve-demo-halo">
IME identifier (name and version):
<input type="text" name="identifier" autofocus>
<input type="submit" value="Start Logging Keyboard Events">
</form>
<div id="ve-demo-content" contenteditable="true" style="display: none;"></div>
<textarea id="ve-demo-log"></textarea>
<script src="../../modules/jquery/jquery.js"></script>
<script src="../../modules/jquery/jquery.client.js"></script>
<script src="../../modules/oojs/oojs.js"></script>
<script src="../../modules/rangy/rangy-core-1.3.js"></script>
<script src="../../modules/rangy/rangy-position-1.3.js"></script>
<script src="../../modules/unicodejs/unicodejs.js"></script>
<script src="../../modules/unicodejs/unicodejs.graphemebreak.js"></script>
<script src="../../modules/unicodejs/unicodejs.wordbreak.js"></script>
<script src="../../modules/ve/ve.js"></script>
<script src="../../modules/ve/ve.EventSequencer.js"></script>
<script>
( function () {
var haloElement, contentElement, logElement, startTime, timeoutId,
oldHtml = '',
oldStartOffset = 0,
oldEndOffset = 0,
comments,
log = [];
function makeEventHandler( eventName ) {
return function ( e ) {
logEvent( 'sendEvent', eventName, e );
};
}
function makeAfterLoopHandler () {
return function () {
logEvent( 'endLoop' );
};
}
function eventToObject( e ) {
// TODO: flesh this out more
if ( !e || e.keyCode === undefined ) {
return {};
} else {
return { 'keyCode': e.keyCode };
}
}
function logEvent( methodName, eventName, e ) {
var args = [],
msUtc = (new Date().getTime() - startTime) / 1000,
newHtml = contentElement.innerHTML,
rangyRange = rangy.getSelection( document ).getRangeAt(0),
newStartOffset = rangyRange.startOffset,
newEndOffset = rangyRange.endOffset;
if ( oldHtml !== newHtml ) {
logWrite( {
'seq': log.length,
'time': msUtc,
'action': 'changeText',
'args': [ newHtml ]
} );
oldHtml = newHtml;
}
if (
oldStartOffset !== newStartOffset ||
oldEndOffset !== newEndOffset
) {
logWrite( {
'seq': log.length,
'time': msUtc,
'action': 'changeSel',
'args': [
newStartOffset,
newEndOffset
]
} );
oldStartOffset = newStartOffset;
oldEndOffset = newEndOffset;
}
if ( eventName !== undefined ) {
args.push( eventName );
args.push( eventToObject( e ) );
}
logWrite( {
'seq': log.length,
'time': msUtc,
'action': methodName,
'args': args
} );
}
function logWrite( val ) {
log.push( val );
showLog();
}
function showLog() {
var i, len, jsons = [];
jsons.push( JSON.stringify( comments ) );
for ( i = 0, len = log.length; i < len; i++ ) {
jsons.push( JSON.stringify( log[i] ) );
}
logElement.value = '[\n\t'
+ jsons.join(',\n\t') + '\n]';
logElement.scrollTop = logElement.scrollHeight;
}
/** @param {jQuery.Event} e Halo form submit event */
function start( e ) {
e.preventDefault();
comments = {
'imeIdentifier': haloElement.identifier.value,
'userAgent': navigator.userAgent,
'startDom': contentElement.innerHTML
};
haloElement.style.display = 'none';
contentElement.style.display = 'block';
contentElement.focus();
}
function init() {
var i, len, range, sel, eventSequencer, handlers = {},
eventNames = [
'compositionstart',
'compositionend',
'keydown',
'keyup',
'keypress',
'input'
];
haloElement = document.getElementById( 've-demo-halo' ),
contentElement = document.getElementById( 've-demo-content' ),
logElement = document.getElementById( 've-demo-log' );
logElement.value = '';
eventSequencer = new ve.EventSequencer( eventNames );
eventSequencer.attach( $( contentElement ) );
for ( i = 0, len = eventNames.length; i < len; i++ ) {
handlers[ eventNames[i] ] =
makeEventHandler( eventNames[i] );
}
eventSequencer.on( handlers );
eventSequencer.afterLoop( [ makeAfterLoopHandler() ] );
startTime = new Date().getTime();
$( haloElement ).on( 'submit', start );
$( logElement ).on( 'click', function () {
if ( this.select ) {
this.select();
}
} );
}
init();
}() );
</script>
</body>
</html>