WordPress/wp-admin/js/editor.dev.js

jQuery(document).ready(function($){
	var h = wpCookies.getHash('TinyMCE_content_size');

	if ( getUserSetting( 'editor' ) == 'html' ) {
		if ( h )
			$('#content').css('height', h.ch - 15 + 'px');
	} else {
		if ( typeof tinyMCE != 'object' ) {
			$('#content').css('color', '#000');
		} else {
			$('#quicktags').hide();
		}
	}
});

var switchEditors = {

	mode : '',

	I : function(e) {
		return document.getElementById(e);
	},

	pre_wpautop : function(content) {
		var blocklist1, blocklist2;

		// Protect pre|script tags
		content = content.replace(/<(pre|script)[^>]*>[\s\S]+?<\/\1>/g, function(a) {
			a = a.replace(/<br ?\/?>[\r\n]*/g, '<wp_temp>');
			return a.replace(/<\/?p( [^>]*)?>[\r\n]*/g, '<wp_temp>');
		});

		content = content.replace(/<p>[\s\u00a0]*<\/p>/g, '<wp_empty_p>');

		// Pretty it up for the source editor
		blocklist1 = 'blockquote|ul|ol|li|table|thead|tbody|tfoot|tr|th|td|div|h[1-6]|p';
		content = content.replace(new RegExp('\\s*</('+blocklist1+')>\\s*', 'g'), '</$1>\n');
		content = content.replace(new RegExp('\\s*<(('+blocklist1+')[^>]*)>', 'g'), '\n<$1>');

		// Mark </p> if it has any attributes.
		content = content.replace(/(<p [^>]+>.*?)<\/p>/g, '$1</p#>');

		// Sepatate <div> containing <p>
		content = content.replace(/<div([^>]*)>\s*<p>/gi, '<div$1>\n\n');

		// Remove <p> and <br />
		content = content.replace(/\s*<p>/gi, '');
		content = content.replace(/\s*<\/p>\s*/gi, '\n\n');
		content = content.replace(/\n[\s\u00a0]+\n/g, '\n\n');
		content = content.replace(/\s*<br ?\/?>\s*/gi, '\n');

		// Fix some block element newline issues
		content = content.replace(/\s*<div/g, '\n<div');
		content = content.replace(/<\/div>\s*/g, '</div>\n');
		content = content.replace(/\s*\[caption([^\[]+)\[\/caption\]\s*/gi, '\n\n[caption$1[/caption]\n\n');
		content = content.replace(/caption\]\n\n+\[caption/g, 'caption]\n\n[caption');

		blocklist2 = 'blockquote|ul|ol|li|table|thead|tfoot|tr|th|td|h[1-6]|pre';
		content = content.replace(new RegExp('\\s*<(('+blocklist2+') ?[^>]*)\\s*>', 'g'), '\n<$1>');
		content = content.replace(new RegExp('\\s*</('+blocklist2+')>\\s*', 'g'), '</$1>\n');
		content = content.replace(/<li([^>]*)>/g, '\t<li$1>');

		if ( content.indexOf('<object') != -1 ) {
			content = content.replace(/<object[\s\S]+?<\/object>/g, function(a){
				return a.replace(/[\r\n]+/g, '');
			});
		}

		// Unmark special paragraph closing tags
		content = content.replace(/<\/p#>/g, '</p>\n');
		content = content.replace(/\s*(<p [^>]+>[\s\S]*?<\/p>)/g, '\n$1');

		// Trim whitespace
		content = content.replace(/^\s+/, '');
		content = content.replace(/[\s\u00a0]+$/, '');

		// put back the line breaks in pre|script
		content = content.replace(/<wp_temp>/g, '\n');
		content = content.replace(/<wp_empty_p>\s*/g, '<p>&nbsp;</p>\n\n');

		// Hope.
		return content;
	},

	go : function(id, mode) {
		id = id || 'content';
		mode = mode || this.mode || '';

		var ed, qt = this.I('quicktags'), H = this.I('edButtonHTML'), P = this.I('edButtonPreview'), ta = this.I(id);

		try { ed = tinyMCE.get(id); }
		catch(e) { ed = false; }

		if ( 'tinymce' == mode ) {
			if ( ed && ! ed.isHidden() )
				return false;

			setUserSetting( 'editor', 'tinymce' );
			this.mode = 'html';

			P.className = 'active';
			H.className = '';
			edCloseAllTags(); // :-(
			qt.style.display = 'none';

			ta.value = this.wpautop(ta.value);

			if ( ed ) {
				ed.show();
			} else {
				try{tinyMCE.execCommand("mceAddControl", false, id);}
				catch(e){}
			}
		} else {
			setUserSetting( 'editor', 'html' );
			ta.style.color = '#000';
			this.mode = 'tinymce';
			H.className = 'active';
			P.className = '';

			if ( ed && !ed.isHidden() ) {
				ta.style.height = ed.getContentAreaContainer().offsetHeight + 24 + 'px';
				ed.hide();
			}

			qt.style.display = 'block';
		}
		return false;
	},

	wpautop : function(pee) {
		var blocklist = 'table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|address|math|p|h[1-6]';

		if ( pee.indexOf('<object') != -1 ) {
			pee = pee.replace(/<object[\s\S]+?<\/object>/g, function(a){
				return a.replace(/[\r\n]+/g, '');
			});
		}

		pee = pee.replace(/<[^<>]+>/g, function(a){
			return a.replace(/[\r\n]+/g, ' ');
		});

		pee = pee + '\n\n';
		pee = pee.replace(/<br \/>\s*<br \/>/gi, '\n\n');
		pee = pee.replace(new RegExp('(<(?:'+blocklist+')[^>]*>)', 'gi'), '\n$1');
		pee = pee.replace(new RegExp('(</(?:'+blocklist+')>)', 'gi'), '$1\n\n');
		pee = pee.replace(/\r\n|\r/g, '\n');
		pee = pee.replace(/\n\s*\n+/g, '\n\n');
		pee = pee.replace(/([\s\S]+?)\n\n/g, '<p>$1</p>\n');
		pee = pee.replace(/<p>\s*?<\/p>/gi, '');
		pee = pee.replace(new RegExp('<p>\\s*(</?(?:'+blocklist+')[^>]*>)\\s*</p>', 'gi'), "$1");
		pee = pee.replace(/<p>(<li.+?)<\/p>/gi, '$1');
		pee = pee.replace(/<p>\s*<blockquote([^>]*)>/gi, '<blockquote$1><p>');
		pee = pee.replace(/<\/blockquote>\s*<\/p>/gi, '</p></blockquote>');
		pee = pee.replace(new RegExp('<p>\\s*(</?(?:'+blocklist+')[^>]*>)', 'gi'), "$1");
		pee = pee.replace(new RegExp('(</?(?:'+blocklist+')[^>]*>)\\s*</p>', 'gi'), "$1");
		pee = pee.replace(/\s*\n/gi, '<br />\n');
		pee = pee.replace(new RegExp('(</?(?:'+blocklist+')[^>]*>)\\s*<br />', 'gi'), "$1");
		pee = pee.replace(/<br \/>(\s*<\/?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)/gi, '$1');
		pee = pee.replace(/(?:<p>|<br ?\/?>)*\s*\[caption([^\[]+)\[\/caption\]\s*(?:<\/p>|<br ?\/?>)*/gi, '[caption$1[/caption]');

		// Fix the pre|script tags
		pee = pee.replace(/<(pre|script)[^>]*>[\s\S]+?<\/\1>/g, function(a) {
			a = a.replace(/<br ?\/?>[\r\n]*/g, '\n');
			return a.replace(/<\/?p( [^>]*)?>[\r\n]*/g, '\n');
		});

		return pee;
	}
};