<?php
/*
Plugin Name: Character Map
Plugin URI: http://anthologyoi.com/plugins/
Description: A simple plugin that adds a character map underneath your edit post box which features all of the normal unicode characters. Specifically created for users that don't use the visual rich editor.
Author: Aaron Harun
Version: 0.1
Author URI: http://anthologyoi.com/
*/

$charsheet = array(
array('0','0','Custom'),
array('0','0','Options'),
array('32','127','Basic Latin'),
array('256','383','Latin Extended-A'),
array('880','1023','Greek and Coptic'),
array('128','255','Latin-1 Supplement'),
array('384','591','Latin Extended-B'),
array('8704','8959','Mathematical Operators'),
array('592','687','IPA Extensions'),
array('688','767','Spacing Modifier Letters'),
array('768','879','Combining Diacritical Marks'),
array('7616','7679','Combining Diacritical Marks Supplement'),
array('7680','7935','Latin Extended Additional'),
array('1024','1279','Cyrillic'),
array('1280','1327','Cyrillic Supplement'),
array('1328','1423','Armenian'),
array('1424','1535','Hebrew'),
array('1536','1791','Arabic'),
array('1872','1919','Arabic Supplement'),
array('3840','4095','Tibetan'),
array('4096','4255','Myanmar'),
array('4256','4351','Georgian'),
array('7424','7551','Phonetic Extensions'),
array('7552','7615','Phonetic Extensions Supplement'),
array('7936','8191','Greek Extended'),
array('8192','8303','General Punctuation'),
array('8304','8351','Superscripts and Subscripts'),
array('8352','8399','Currency Symbols'),
array('8400','8447','Combining Diacritical Marks for Symbols'),
array('8448','8527','Letterlike Symbols'),
array('8528','8591','Number Forms'),
array('8592','8703','Arrows'),
array('8960','9215','Miscellaneous Technical'),
array('9216','9279','Control Pictures'),
array('9280','9311','Optical Character Recognition'),
array('9312','9471','Enclosed Alphanumerics'),
array('9472','9599','Box Drawing'),
array('9600','9631','Block Elements'),
array('9632','9727','Geometric Shapes'),
array('9728','9983','Miscellaneous Symbols'),
array('9984','10175','Dingbats'),
array('10176','10223','Miscellaneous Mathematical Symbols-A'),
array('10224','10239','Supplemental Arrows-A'),
array('10240','10495','Braille Patterns'),
array('10496','10623','Supplemental Arrows-B'),
array('10624','10751','Miscellaneous Mathematical Symbols-B'),
array('10752','11007','Supplemental Mathematical Operators'),
array('11008','11263','Miscellaneous Symbols and Arrows'),
array('5760','5791','Ogham'),
array('5792','5887','Runic'),
array('5888','5919','Tagalog'),
array('5920','5951','Hanunoo'),
array('5952','5983','Buhid'),
array('5984','6015','Tagbanwa'),
array('6016','6143','Khmer'),
array('6144','6319','Mongolian'),
array('6400','6479','Limbu'),
array('6480','6527','Tai Le'),
array('6528','6623','New Tai Lue'),
array('6624','6655','Khmer Symbols'),
array('6656','6687','Buginese'),
array('6912','7039','Balinese'),
array('1792','1871','Syriac'),
array('1920','1983','Thaana'),
array('1984','2047','NKo'),
array('2304','2431','Devanagari'),
array('2432','2559','Bengali'),
array('2560','2687','Gurmukhi'),
array('2816','2943','Oriya'),
array('2944','3071','Tamil'),
array('3072','3199','Telugu'),
array('3200','3327','Kannada'),
array('3328','3455','Malayalam'),
array('3456','3583','Sinhala'),
array('3584','3711','Thai'),
array('3712','3839','Lao'),
array('4352','4607','Hangul Jamo'),
array('4608','4991','Ethiopic'),
array('4992','5023','Ethiopic Supplement'),
array('5024','5119','Cherokee'),
array('5120','5759','Unified Canadian Aboriginal Syllabics'),
array('11264','11359','Glagolitic'),
array('11360','11391','Latin Extended-C'),
array('11392','11519','Coptic'),
array('11520','11567','Georgian Supplement'),
array('11568','11647','Tifinagh'),
array('11648','11743','Ethiopic Extended'),
array('11776','11903','Supplemental Punctuation'),
array('11904','12031','CJK Radicals Supplement'),
array('12032','12255','Kangxi Radicals'),
array('12272','12287','Ideographic Description Characters'),
array('12288','12351','CJK Symbols and Punctuation'),
array('12352','12447','Hiragana'),
array('12448','12543','Katakana'),
array('12544','12591','Bopomofo'),
array('12592','12687','Hangul Compatibility Jamo'),
array('12688','12703','Kanbun'),
array('12704','12735','Bopomofo Extended'),
array('12736','12783','CJK Strokes'),
array('12784','12799','Katakana Phonetic Extensions'),
array('12800','13055','Enclosed CJK Letters and Months'),
array('13056','13311','CJK Compatibility'),
array('13312','19903','CJK Unified Ideographs Extension A'),
array('19904','19967','Yijing Hexagram Symbols'),
array('40960','42127','Yi Syllables'),
array('42128','42191','Yi Radicals'),
array('42752','42783','Modifier Tone Letters'),
array('42784','43007','Latin Extended-D'),
array('43008','43055','Syloti Nagri'),
array('43072','43135','Phags-pa'),
array('55296','56191','High Surrogates'),
array('56192','56319','High Private Use Surrogates'),
array('56320','57343','Low Surrogates'),
array('63744','64255','CJK Compatibility Ideographs'),
array('64256','64335','Alphabetic Presentation Forms'),
array('64336','65023','Arabic Presentation Forms-A'),
array('65024','65039','Variation Selectors'),
array('65040','65055','Vertical Forms'),
array('65056','65071','Combining Half Marks'),
array('65072','65103','CJK Compatibility Forms'),
array('65104','65135','Small Form Variants'),
array('65136','65279','Arabic Presentation Forms-B'),
array('65280','65519','Halfwidth and Fullwidth Forms'),
array('65520','65535','Specials'),
/*array('2688','2815','Gujarati'),
array('44032','55215','Hangul Syllables'),
array('57344','63743','Private Use Area'),
array('65536','65663','Linear B Syllabary'),
array('65664','65791','Linear B Ideograms'),
array('65792','65855','Aegean Numbers'),
array('65856','65935','Ancient Greek Numbers'),
array('66304','66351','Old Italic'),
array('66352','66383','Gothic'),
array('66432','66463','Ugaritic'),
array('66464','66527','Old Persian'),
array('66560','66639','Deseret'),
array('66640','66687','Shavian'),
array('66688','66735','Osmanya'),
array('67584','67647','Cypriot Syllabary'),
array('67840','67871','Phoenician'),
array('68096','68191','Kharoshthi'),
array('73728','74751','Cuneiform'),
array('74752','74879','Cuneiform Numbers and Punctuation'),
array('118784','119039','Byzantine Musical Symbols'),
array('119040','119295','Musical Symbols'),
array('119296','119375','Ancient Greek Musical Notation'),
array('119552','119647','Tai Xuan Jing Symbols'),
array('119648','119679','Counting Rod Numerals'),
array('119808','120831','Mathematical Alphanumeric Symbols'),
array('131072','173791','CJK Unified Ideographs Extension B'),
array('194560','195103','CJK Compatibility Ideographs Supplement'),
array('917504','917631','Tags'),
array('917760','917999','Variation Selectors Supplement'),
array('983040','1048575','Supplementary Private Use Area-A'),
array('1048576','1114111','Supplementary Private Use Area-B'),*/
);
if(strpos($_SERVER['PHP_SELF'], 'char_map.php')){
@require_once('../../wp-config.php');
}
$char_map = get_option('char_map');

if($char_map['custom_ents'] == ''){
	$char_map['custom_ents'] = '161 166 167 169 171 172 173 174 176 181 182 183 187 191 8211 8212 8213 8215 8216 8217 8218 8219 8220 8221 8222 8224 8225 8226 8230 8240 8249 8250 8252 8254 $ 162 163 164 165 8355 8356 8359 8362 8363 8364 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 248 249 250 251 252 253 254 255 894 900 901 902 903 904 905 906 908 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 188 189 190 8531 8532 8539 8540 8541 8542 177 215 247 8706 8710 8719 8721 8722 8725 8729 8730 8734 8735 8745 8747 8776 8800 8801 8804 8805 9786 9787 9788 9792 9794';
}

if($_POST['char_map'] != ''){

	char_map_build_map($_POST['char_map']);

}elseif($_POST['update']){
$_POST['custom_ents'] = stripslashes($_POST['custom_ents']);
$_POST['custom_ents'] = str_replace('& ','amp ',$_POST['custom_ents']);
$_POST['custom_ents'] = str_replace('>','gt',$_POST['custom_ents']);
$_POST['custom_ents'] = str_replace('<','lt',$_POST['custom_ents']);
$_POST['custom_ents'] = str_replace("'",'39',$_POST['custom_ents']);
$_POST['custom_ents'] = str_replace('"','quot',$_POST['custom_ents']);

$_POST['custom_ents'] = str_replace('&','',$_POST['custom_ents']);
$_POST['custom_ents'] = str_replace('#','',$_POST['custom_ents']);
$_POST['custom_ents'] = str_replace(';','',$_POST['custom_ents']);

	update_option('char_map',array('safe'=>$_POST['safe'],'custom_ents'=>$_POST['custom_ents']));
	$char_map = get_option('char_map');
	char_map_build_map('2');


}elseif (strpos($_SERVER['PHP_SELF'], '-new.php')||$_REQUEST['post'] != ''){
// 	if($char_map['safe'] != 1){
// 		add_filter('content_save_pre', 'fix_chars');
// 		add_filter('the_editor_content','unfix_chars');
// 	}

	add_filter('edit_form_advanced',  'get_char_map_html');
	add_filter('edit_page_form',     'get_char_map_html');
	add_action('admin_head', 'char_map_javascript');
}


function char_map_javascript(){
wp_print_scripts('sack');
$home = get_option('home');
?>
<style type="text/css">
#charmap ul{
margin-left: 0;
padding-left: 0;
white-space: nowrap;
}

#charmap li{
list-style-type: none;
padding-bottom:5px;
}
#char_sheet  a {
color: #000;
font-size:1.8em;
border:0;
}

#charmap li a {
font-size: 1em;
color: #fff;
padding: 3px 5px;
border: solid 1px #FFF;
background: #467aa7;
}

#charmap li a:link{
color: #fff;
text-decoration: none;
}

#charmap li a:hover{
color: #fff;
background-color: #578bb8;
text-decoration: none;
font-weight:bold;
}
</style>
<script type="text/javascript">
var last_page ='';
var cur_page = '';

function update_options(){
			chars = 2;
			inaprequest = new sack('<?php echo $home;?>/wp-content/plugins/char_map.php');
			inaprequest.method = 'POST';
			inaprequest.setVar('update','true');
			if (document.getElementById('char_map[safe]').checked == true) {
				inaprequest.setVar('safe', 1);
			}
			convertfromchars('char_map[custom_ents]');
			inaprequest.setVar('custom_ents', document.getElementById('char_map[custom_ents]').value);
			inaprequest.element = 'char_sheet';
			inaprequest.onLoading = submiting;
			inaprequest.onCompletion = complete_submit;
			inaprequest.runAJAX();
			inaprequest = null;
}

	function fcal_add_char(char){
		try{edInsertContent(document.getElementById('content'),char)}catch(e){}
	}

	function update_char_sheet(char){
		/*if (last_page != ''){
			last_page = 'char_sheet_'+chars;
		}*/
		if(!isNaN(char)){
			chars = char;
			inaprequest = new sack('<?php echo $home;?>/wp-content/plugins/char_map.php');
			inaprequest.method = 'POST';
			inaprequest.setVar('char_map', char);
			inaprequest.element = 'char_sheet';
			inaprequest.onLoading = submiting;
			inaprequest.onCompletion = complete_submit;
			inaprequest.runAJAX();
			inaprequest = null;
		}

	}

function submiting(){
	var img = document.createElement('img')
	img.src="$home/wp-content/plugins/inap/throbber.gif";
	img.alt="Please hold now loading";
	img.id = "throbber"+chars;
		try{document.getElementById('char_sheet_'+chars+'link').appendChild(img);}catch(e){}
}

function complete_submit(){
	setTimeout("try{document.getElementById('throbber'+chars).parentNode.removeChild(document.getElementById('throbber'+chars));}catch(e){}",250);
	/*if(last_page == ''){last_page = 'char_sheet_1'};
	document.getElementById(last_page).style.display = 'none';
	document.getElementById('char_sheet_'+chars).style.display = 'block';*/
}
</script>
<?php
}

function get_char_map_html(){
	echo '
	<fieldset id="char_map" class="dbx-box">
	<h3 class="dbx-handle">Charecter Map</h3>
	<div class="dbx-content" style="" >
	<table><tr><td style="width:200px; vertical-align:top;" id="charmap"><div style="overflow:scroll; height:150px;">';

		char_map_build_list();

	echo '</div></td><td id="char_sheet">';

		char_map_build_map(1);

	echo '</td></tr></table></div>
	</fieldset>';

}


function char_map_build_list() {
global $charsheet;
		$output.='<ul style="list-style:none;">';
		$x=1;
			foreach($charsheet as $chargroup){
				$output .= '<li id="char_sheet_'.$x.'_link">';
				$output .= '<a href="#" onclick="update_char_sheet('.$x.'); return false;">'.$chargroup[2].'</a>';
				$output .= '</li>'."\n";
				$x++;
			}
		$output.='</ul>';
		echo $output;
}
function char_map_build_map($chars='') {
global $charsheet, $char_map;
		$chargroup = $charsheet[$chars-1];
	//If in safe mode will add html entities directly to the textbox.
	if($char_map['safe'] == 1){$k = '&amp;'; $sc='checked="checked"';}else{$k = '&';}
	if($chargroup[2] == 'Options'){
	$output .= '<ul>';

		$output .= '<li>';
		$output .= '<input type="checkbox" value="1"'.$sc.'name="char_map[safe]" id="char_map[safe]"> &laquo;&mdash; Use Safe Mode (Entities will be added to the post instead of characters. &amp;#238; instead of &#238;)';
		$output .= '</li>';
		$output .= '<li> Space seperated list of the entity code (283 for &amp;#283; and gt for &amp;gt;)';
		$output.= "<textarea name='char_map[custom_ents]' id='char_map[custom_ents]' style='width:100%;'>";
			$chars = explode(' ', trim($char_map['custom_ents']));
				foreach($chars as $char){
					if($char != ''){
						$m = (is_numeric($char)) ? '#' : '';
						$output .= '&'.$m.$char.'; ';
					}
				}
$output.= "</textarea>";
		$output .= '</li>';
$output .= <<<block
<input id="charent" title="Convert special characters to unicode entities." class="ed_button" value="Chars-&gt;Ent" onclick="convertfromchars('char_map[custom_ents]')" type="button"><input id="entchar" title="Convert unicode entities to special charecters." onclick="converttochars('char_map[custom_ents]')" class="ed_button" value="Ent-&gt;Chars" type="button">
block;
// 		$output .= '<li>These are the entities already in Custom (in order followed by their entity code):<br/>';
// 		$chars = explode(' ', trim($char_map['custom_ents']));
// 				foreach($chars as $char){
// 					if(is_numeric($char)){$m = '#';}
// 					$output .= '&'.$m.$char.'; ('.$char.') ';
// 				}
// 		$output .= '</li>';
		$output .= '<li> <a href="#" onclick="update_options(); return false">Click here to update options.</a>';
		$output .= '</li>';
	$output .= '</ul>';


	}elseif($chargroup[2] == 'Custom'){
		$chars = explode(' ', $char_map['custom_ents']);
 		foreach($chars as $char){
			if($char != ''){
				$m = (is_numeric($char)) ? '#' : '';
 				$output .= '<a href="#" onclick="fcal_add_char(\''.$k.$m.$char.';\'); return false">&'.$m.$char.';</a> ';
			}
 		}
	}else{
		for($i = $chargroup[0]; $i<=$chargroup[1]; $i++){
			$output .= '<a href="#" onclick="fcal_add_char(\''.$k.'#'.$i.';\'); return false">&#'.$i.';</a> '."\n";
		}
	}
		echo $output;

}
// function fix_chars($content){
// $encoding = get_option('blog_charset');
// if(!$encoding){$encoding = "AUTO";}
// 		$content=mb_convert_encoding($content,"HTML-ENTITIES",$encoding);
// 	return $content;
// }
// 
// function unfix_chars($content){
// 		$content=html_entity_decode($content);
// 	return $content;
// }

if(!function_exists('add_char_enc_button')){
	if(strpos($_SERVER['PHP_SELF'], '-new.php')|| $_REQUEST['post'] != ''){
		add_action('admin_footer', 'add_char_enc_button');
	}
	function add_char_enc_button(){
		
	?>
	<script language="JavaScript" type="text/javascript"><!--
	function converttochars(inputid){
		var content = document.getElementById(inputid).value;
		var newDiv = document.createElement(newDiv);
			//protect html
			content = content.replace(/</gi, '#lt;');
			content = content.replace(/>/gi, '#gt;');
			content = content.replace(/&amp;/gi, '#amp;');
			
			newDiv.innerHTML = content;
			content = newDiv.innerHTML;

			//restore html
			content = content.replace(/#lt;/gi, '<');
			content = content.replace(/#gt;/gi, '>');
			content = content.replace(/&amp;/gi, '&');
			content = content.replace(/#amp;/gi, '&amp;');
		document.getElementById(inputid).value =  content;
	}
	function convertfromchars(inputid){
		var content = document.getElementById(inputid).value;
		var result = '';
		for (i=0; i<content.length; i++)
	{
		charCode = content.charCodeAt(i);
		if (charCode <= 127)
			result += content.charAt(i);
		else
			result += '&#' + charCode + ';';
	}
		document.getElementById(inputid).value = result;
	}

	var toolbar = document.getElementById("ed_toolbar");

				var theButton = document.createElement('input');
				theButton.type = 'button';
				theButton.value = 'Chars->Ent';
				theButton.onclick = function () {convertfromchars('content')};
				theButton.className = 'ed_button';
				theButton.title = "Convert special characters to unicode entities.";
				theButton.id = "ed_charent";
				toolbar.appendChild(theButton);

				var theButton = document.createElement('input');
				theButton.type = 'button';
				theButton.value = 'Ent->Chars';
				theButton.onclick = function () {converttochars('content')};
				theButton.className = 'ed_button';
				theButton.title = "Convert unicode entities to special charecters.";
				theButton.id = "ed_entchar";
				toolbar.appendChild(theButton);
			

	//--></script>

<?php
	
}


}
?>