mediawiki-extensions-Visual.../demos/ve/eventSequencer.html
David Chan 793172e41e ve.EventSequencer: Post-event listening
modules/ve/ve.EventSequencer.js
* Class to sequence pre-event and post-event listening correctly

demos/ve/eventSequencer.html
* Plain HTML example page for testing EventSequencer and event sequences

Change-Id: I4ddb10a30c2f44015136a7978a185d0b13f0690b
2013-09-04 11:20:46 -07:00

74 lines
2.4 KiB
HTML

<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<style>
#good, #bad {
min-height: 2em;
border: solid red 1px;
}
</style>
<script src="../../modules/jquery/jquery.js"></script>
<script src="../../modules/jquery/jquery.client.js"></script>
<script src="../../modules/oojs/oo.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 src="../../modules/ve/ce/ve.ce.js"></script>
<script>
function onbodyload () {
var i, eventSequencer,
eventNames = ['compositionstart', 'compositionend',
'keydown', 'keyup', 'keypress'],
badDiv = document.getElementById( 'bad' ),
goodDiv = document.getElementById( 'good' );
eventSequencer = new ve.EventSequencer( goodDiv, eventNames,
ve.bind( console.log, console ) );
for( i = 0; i < eventNames.length; i++ ) {
addPrePostListeners( eventSequencer, eventNames[i] );
addSetTimeoutListeners( badDiv, eventNames[i] );
}
goodDiv.focus();
}
function addSetTimeoutListeners( node, eventName ) {
node.addEventListener( eventName, function ( e ) {
console.log( eventName + showEventCode( e ) + ': ' +
JSON.stringify( node.innerHTML ) );
setTimeout( function () {
console.log( 'setTimeout from ' + eventName +
showEventCode( e ) + ': ' +
JSON.stringify( node.innerHTML ) );
} );
});
}
function addPrePostListeners ( eventSequencer, eventName ) {
eventSequencer.addPreListener( eventName, function ( e ) {
console.log( '*** pre ' + eventName + showEventCode( e ) +
' ' + JSON.stringify( document.getElementById(
'good' ).innerHTML ) );
});
eventSequencer.addPostListener( eventName, function ( e ) {
console.log( '*** post ' + eventName + showEventCode( e ) +
' ' + JSON.stringify( document.getElementById(
'good' ).innerHTML ) );
});
}
function showEventCode( e ) {
return ( e && e.keyCode ) ? '(keyCode=' + e.keyCode + ')' : '';
}
</script>
</head>
<body onload="onbodyload()">
Good (ve.EventSequencer):
<div id="good" contenteditable="true"></div>
Bad (setTimeout):
<div id="bad" contenteditable="true"></div>
</body>
</html>