WordPress/wp-includes/js/comment-reply.js

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JavaScript
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var addComment = {
moveForm: function( commId, parentId, respondId, postId ) {
var div, element, style, cssHidden,
t = this,
comm = t.I( commId ),
respond = t.I( respondId ),
cancel = t.I( 'cancel-comment-reply-link' ),
parent = t.I( 'comment_parent' ),
post = t.I( 'comment_post_ID' ),
commentForm = respond.getElementsByTagName( 'form' )[0];
if ( ! comm || ! respond || ! cancel || ! parent || ! commentForm ) {
return;
}
t.respondId = respondId;
postId = postId || false;
if ( ! t.I( 'wp-temp-form-div' ) ) {
div = document.createElement( 'div' );
div.id = 'wp-temp-form-div';
div.style.display = 'none';
respond.parentNode.insertBefore( div, respond );
}
comm.parentNode.insertBefore( respond, comm.nextSibling );
if ( post && postId ) {
post.value = postId;
}
parent.value = parentId;
cancel.style.display = '';
cancel.onclick = function() {
var t = addComment,
temp = t.I( 'wp-temp-form-div' ),
respond = t.I( t.respondId );
if ( ! temp || ! respond ) {
return;
}
t.I( 'comment_parent' ).value = '0';
temp.parentNode.insertBefore( respond, temp );
temp.parentNode.removeChild( temp );
this.style.display = 'none';
this.onclick = null;
return false;
};
/*
* Set initial focus to the first form focusable element.
* Try/catch used just to avoid errors in IE 7- which return visibility
* 'inherit' when the visibility value is inherited from an ancestor.
*/
try {
for ( var i = 0; i < commentForm.elements.length; i++ ) {
element = commentForm.elements[i];
cssHidden = false;
// Modern browsers.
if ( 'getComputedStyle' in window ) {
style = window.getComputedStyle( element );
// IE 8.
} else if ( document.documentElement.currentStyle ) {
style = element.currentStyle;
}
/*
* For display none, do the same thing jQuery does. For visibility,
* check the element computed style since browsers are already doing
* the job for us. In fact, the visibility computed style is the actual
* computed value and already takes into account the element ancestors.
*/
if ( ( element.offsetWidth <= 0 && element.offsetHeight <= 0 ) || style.visibility === 'hidden' ) {
cssHidden = true;
}
// Skip form elements that are hidden or disabled.
if ( 'hidden' === element.type || element.disabled || cssHidden ) {
continue;
}
element.focus();
// Stop after the first focusable element.
break;
}
} catch( er ) {}
return false;
},
I: function( id ) {
return document.getElementById( id );
}
};