TinyMCE occasionally leaves junk behind when copy and pasting

[Denis-de-Bernardy]

such as:

<div id="_mcePaste" style="overflow: hidden; position:
absolute; left: -10000px; top: 0px; width: 1px; height:
1px;">pasted code goes here</div>

[Denis-de-Bernardy]

some code to fix it, in case there is any interest:

	/**
	 * fix_tinymce_paste()
	 *
	 * @param string $content
	 * @return string $content
	 **/

	function fix_tinymce_paste($content) {
		if ( strpos($content, '_mcePaste') === false )
			return $content;
		
		$content = stripslashes($content);
		
		do {
			$old_content = $content;
			$content = preg_replace_callback("~(<div id=\"_mcePaste\".*?>)(.*?)(</div>)~is", 'fix_tinymce_paste_callback', $old_content);
		} while ( $content && $content != $old_content );
		
		global $wpdb;
		$content = $wpdb->escape($content);
		
		return $content;
	} # fix_tinymce_paste()
	
	
	/**
	 * fix_tinymce_paste_callback()
	 *
	 * @param array $match
	 * @return string $output
	 **/
	
	function fix_tinymce_paste_callback($match) {
		$content = $match[2];
		
		if ( !$content || strpos(strtolower($content), '<div') === false )
			return '';
		
		$content .= $match[3];
		do {
			$old_content = $content;
			$content = preg_replace("~<div.*?>.*?</div>~is", '', $old_content);
		} while ( $content && $content != $old_content );
		
		return $match[1] . $content;
	} # fix_tinymce_paste_callback()

add_filter('content_save_pre', 'fix_tinymce_paste', 0);

[azaozz]

This is a workaround in TinyMCE for (older) browsers that don't have the onpaste event. The div should be removed on cleanup, can you see if it still happens in current trunk (TinyMCE 3.2.7).

[Denis-de-Bernardy]

I've never experienced it, myself, so I wouldn't know how to reliably reproduce.

[hakre]

I experienced something maybe simlar while testing the stuff for #10252 . I'm using the svn version and potential latest browsers (which is a misleading argument by azaozz imho anyway) and the stuff still sticks in. crap left befind. I did not care because I thought this is just how things are done these ways.... .

[azaozz]

Replying to hakre:

I experienced something maybe similar...

Does it still happen after svn up? Any way to consistently reproduce?

(which is a misleading argument ...

The 'onpaste' event is supported in IE, Safari and Chrome, nearly there in FF 3.5, not supported in FF 2 and Opera (not sure about Opera 10) and partially supported in FF 3.0. Other browsers based on the same engines may support it too.

[azaozz]

This should be fixed in the latest TinyMCE. Feel free to reopen with more details if it happens again.