User:Ilmari Karonen/edittools.js

// copied from [[mw:User:Alex Smotrov/edittools.js]], modified for use on the English Wikipedia.
// enableForAllFields() feature from [[commons:MediaWiki:Edittools.js]]
// <source lang="javascript">
 
if (typeof (EditTools_set_focus) == 'undefined')
   var EditTools_set_focus = true;
 
if (typeof (EditTools_set_focus_initially) == 'undefined')
   var EditTools_set_focus_initially = EditTools_set_focus;
 
var EditTools =
{
  charinsert : {
     'Standard': '[+]  [[+]]  [[+|+]]  {{+}}  – —  “+” ‘+’ «+» ‹+› „+“ ‚+‘  … ~ | ° &nbsp;  ≈ ≠ ≤ ≥ ± − × ÷ ← → ² ³ ½ · § \n [[Category:+]]  [[:Image:+]]  +<includeonly>  +<noinclude>  #REDIRECT[[+]]  {{DEFAULTSORT:+}}',
     'Latin': 'ÁáĆćÉéÍíÓóŚśÚúÝýǾǿ  ÀàÈèÌìÒòÙù  ÂâĈĉÊêĜĝĤĥÎîĴĵÔôŝŜÛû  ÄäËëÏïÖöÜüÿ  ÃãÑñÕõ  Å å  Ç ç  Č芚ŭ  Ł ł  ŐőŰű  Ø ø  ĀāĒēĪīŌōŪū  ß  Æ挜  ÐðÞþ|',
     'Greek': 'ΑΆΒΓΔΕΈΖΗΉΘΙΊΚΛΜΝΞΟΌΠΡΣΤΥΎΦΧΨΩΏ  αάβγδεέζηήθιίκλμνξοόπρσςτυύφχψωώ', 
     'IPA': 'ʈɖɟɡɢʡʔ  ɸʃʒɕʑʂʐʝɣʁʕʜʢɦ  ɱɳɲŋɴ  ʋɹɻɰ  ʙʀɾɽ  ɫɬɮɺɭʎʟ  ɥʍɧ  ɓɗʄɠʛ  ʘǀǃǂǁ  ɨʉɯ  ɪʏʊ  ɘɵɤ  ɚ  ɛɜɝɞʌɔ  ɐɶɑɒ  ʰʷʲˠˤⁿˡ  ˈˌːˑ',
     'Arabic': 'ابتثجحخدذرزسشصضطظعغفقكلمنهوي  ﺍﺑﺗﺛﺟﺣﺧﺩﺫﺭﺯﺳﺷﺻﺿﻃﻇﻋﻏﻓﻗﻛﻟﻣﻧﻫﻭﻳ\
  ﺍﺒﺘﺜﺠﺤﺨﺪﺬﺮﺰﺴﺸﺼﻀﻄﻈﻌﻐﻔﻘﻜﻠﻤﻨﻬﻮﻴ  ﺎﺐﺖﺚﺞﺢﺦﺪﺬﺮﺰﺲﺶﺺﺾﻂﻆﻊﻎﻒﻖﻚﻞﻢﻦﻪﻮﻲ		\
  ء- ّ- ْ- ً- ِ- آأإةؤئى  پچژگﭪڠ۰۱۲۳٤٥٦٧۸۹',
     'Cyrillic': 'АБВГДЂЕЁЖЗЅИЙЈКЛЉМНЊОПРСТЋУФХЦЧЏШЩЪЫЬЭЮЯ  абвгдђеёжзѕийјклљмнњопрстћуфхцчџшщъыьэюя',
     'Catalan': 'ÁáÀàÇçÉéÈèËëÍíÏïÓóÒòÖöÚúÙù',
     'Czech': 'ÁáČčĎďÉéĚěÍíŇňÓóŘřŠšŤťÚúŮůÝýŽž',
     'Devanagari': 'ँ ं ः अ आ इ ई उ ऊ ऋ ऌ ऍ ऎ ए ऐ ऑ ऒ ओ औ क क़ ख ख़ ग ग़ घ ङ च छ ज ज़ झ ञ ट ठ ड ड़ द ढ ढ़ ण त थ ध न ऩ प फ फ़ ब भ म य य़ र ऱ ल ळ ऴ व श ष स ह ़ ऽ ा ि ॊ ो ौ ् ी ु ू ृ ॄ ॅ ॆ े ै ॉ ॐ ॑ ॒ ॓ ॔ ॠ ॡ ॢ ॣ । ॥ ॰',
     'Esperanto': 'ĈĉĜĝĤĥĴĵŜŝŬŭ',
     'Estonian': 'Č芚ŽžÕõÄäÖöÜü',
     'French': 'ÀàÂâÇçÉéÈèÊêËëÎîÏïÔôŒœÙùÛûÜüŸÿ',
     'German': 'ÄäÖöÜüß',
     'Hawaiian': 'ĀāĒēĪīŌōŪūʻ',
     'Hebrew': 'אבגדהוזחטיכךלמםנןסעפףצץקרשת־״׳',
     'Hungarian': 'ŐőŰű',
     'Icelandic': 'ÁáÐðÉéÍíÓóÚúÝýÞþÆæÖö',
     'Italian': 'ÁáÀàÉéÈèÍíÌìÓóÒòÚúÙù',
     'Latvian': 'ĀāČčĒēĢģĪīĶķĻļŅņŠšŪūŽž',
     'Lithuanian': 'ĄąČčĘęĖėĮįŠšŲųŪūŽž',
     'Maltese': 'ĊċĠġĦħŻż',
     'Old English': 'ĀāÆæǢǣǼǽĊċÐðĒēĠġĪīŌōŪūǷƿȲȳÞþȜȝ',
     'Pinyin': 'ÁáÀàǍǎĀāÉéÈèĚěĒēÍíÌìǏǐĪīÓóÒòǑǒŌōÚúÙùÜüǓǔŪūǗǘǛǜǙǚǕǖ',
     'Polish': 'ąĄćĆęĘłŁńŃóÓśŚźŹżŻ',
     'Portuguese': 'ÁáÀàÂâÃãÇçÉéÊêÍíÓóÔôÕõÚúÜü',
     'Romaji': 'ĀāĒēĪīŌōŪū',
     'Romanian': 'ĂăÂâÎŢţ',
     'Scandinavian': 'ÀàÉéÅåÆæÄäØøÖö',
     'Serbian': 'АаБбВвГгДдЂђЕеЖжЗзИиЈјКкЛлЉљМмНнЊњОоПпРрСсТтЋћУуФфХхЦцЧчЏџШш',
     'Spanish': 'ÁáÉéÍíÑñÓóÚúÜü¡¿',
     'Turkish': 'ÇçĞğİıÖöŞşÜüÂâÎîÛû',
     'Vietnamese': 'ÀàẢảÁáẠạÃãĂăẰằẲẳẴẵẮắẶặÂâẦầẨẩẪẫẤấẬậĐđÈèẺẻẼẽÉéẸẹÊêỀềỂểỄễẾếỆệỈỉĨĩÍíỊịÌìỎỏÓóỌọÒòÕõÔôỒồỔổỖỗỐốỘộƠơỜờỞởỠỡỚớỢợÙùỦủŨũÚúỤụƯưỪừỬửỮữỨứỰựỲỳỶỷỸỹỴỵÝý',
     'Welsh': 'ÁáÀàÂâÄäÉéÈèÊêËëÌìÎîÏïÓóÒòÔôÖöÙùÛûẀẁŴŵẄẅÝýỲỳŶŷŸÿ',
     'Yiddish': 'א אַ אָ ב בֿ ג ד ה ו וּ װ ױ ז זש ח ט י יִ ײ ײַ כ ך כּ ל ל מ ם נ ן ס ע ע פ פּ פֿ ף צ ץ ק ר ש שׂ תּ ת ׳ ״ ־'
  },
 
  charinsertDivider : '·',
 
  extraCSS : '\
    #editpage-newstyle {text-align:center;\
      border:1px solid #aaa;\
      font-size:120%;\
      padding:1px;\
      margin-top:10px;\
    }\
    #editpage-newstyle a {\
      color: black !important;\
      background-color: #ccddee;\
      font-weight: bold;\
      font-size: 0.9em;\
      text-decoration: none !important;\
      border: 1px #006699 outset;\
      padding: 0 0.1em 0.1em 0.1em;\
    }\
    #editpage-newstyle a:hover {\
      background-color: #bbccdd;\
      border: 1px #F0F0F0 inset;\
    }\
  ',
 
  appendExtraCSS : function ()
  {
     appendCSS(EditTools.extraCSS);
  },
 
 
  createEditTools : function (placeholder)
  {
     var box = document.createElement("div");
     box.id = "editpage-newstyle";
     box.title = 'Click on the character or tag to insert it into edit window';
 
     //append user-defined sets
     if (window.charinsertCustom)
	for (id in charinsertCustom)
	   if (EditTools.charinsert[id]) EditTools.charinsert[id] += ' ' + charinsertCustom[id];
	   else EditTools.charinsert[id] = charinsertCustom[id];
 
     //create drop-down select
     var prevSubset = 0, curSubset = 0;
     var sel = document.createElement('select'), id;
     for (id in EditTools.charinsert)
	sel.options[sel.options.length] = new Option(id, id);
     sel.selectedIndex = 0;
     sel.style.cssFloat = sel.style.styleFloat = 'left';
     sel.style.marginRight = '5px';
     sel.title = 'Choose character subset';
     sel.onchange = sel.onkeyup = selectSubset;
     box.appendChild(sel);
 
     //create "recall" switch
     if (window.editToolsRecall) {
	var recall = document.createElement('span');
	recall.appendChild(document.createTextNode('↕')); // ↔
	recall.onclick = function () {
	   sel.selectedIndex = prevSubset;
	   selectSubset();
	}
	with (recall.style) { cssFloat = styleFloat = 'left'; marginRight = '5px'; cursor = 'pointer'; }
	box.appendChild(recall);
     }
 
     placeholder.parentNode.replaceChild(box, placeholder);
     selectSubset();
     return;
 
     function selectSubset ()
     {
	//remember previous (for "recall" button)
	prevSubset = curSubset;
	curSubset = sel.selectedIndex;
	//hide other subsets
	var pp = box.getElementsByTagName('p') ;
	for (var i=0; i<pp.length; i++)
	   pp[i].style.display = 'none';
	//show/create current subset
	var id = sel.options[curSubset].value;
	var p = document.getElementById(id);
	if (!p){
	   p = document.createElement('p');
	   p.id = id;
	   if (id == 'Arabic'){ p.style.fontSize = '120%'; p.dir = 'rtl'; }
	   EditTools.createTokens(p, EditTools.charinsert[id]);
	   box.appendChild(p);
	}
	p.style.display = 'inline';
     } 
  },
 
  createTokens : function (paragraph, str)
  {
     var tokens = str.split(' '), token, i, n;
     for (i = 0; i < tokens.length; i++) {
	token = tokens[i];
	n = token.indexOf('+');
	if (token == '' || token == '_')
	   addText(EditTools.charinsertDivider + ' ');
	else if (token == '\n')
	   paragraph.appendChild(document.createElement('br'));
	else if (token == '___')
	   paragraph.appendChild(document.createElement('hr'));
	else if (token.charAt(token.length-1) == ':')  // : at the end means just text
	   addBold(token);
	else if (n == 0) // +<tag>  ->   <tag>+</tag>
	   addLink(token.substring(1), '</' + token.substring(2), token.substring(1));
	else if (n > 0) // <tag>+</tag>
	   addLink(token.substring(0,n), token.substring(n+1));
	else if (token.length > 2 && token.charCodeAt(0) > 127) //a string of insertable characters
	   for (var j=0; j < token.length; j++) addLink(token.charAt(j), '');
	else
	   addLink(token, '');
     }
     return;
 
     function addLink (tagOpen, tagClose, name)
     {
	var a = document.createElement('a');
	tagOpen = tagOpen.replace(/\./g,' ');
	tagClose = tagClose ? tagClose.replace(/_/g,' ') : '';
	name = name || tagOpen + tagClose;
	name = name.replace(/\\n/g,'');
	a.appendChild(document.createTextNode(name));
	a.href = "javascript:insertTags('" + tagOpen + "','" + tagClose + "','')";
	paragraph.appendChild(a);
	addText(' ');
     }
     function addBold (text)
     {
	var b = document.createElement('b');
	b.appendChild(document.createTextNode(text.replace(/_/g,' ')));
	paragraph.appendChild(b);
	addText(' ');
     }     
     function addText (txt)
     {
	paragraph.appendChild(document.createTextNode(txt));
     }
  },
 
 
  enableForAllFields : function ()
  {
     if (typeof (insertTags) != 'function') return;
     // insertTags from the site-wide /skins-1.5/common/edit.js just inserts in the first
     // textarea in the document. Evidently, that's not good if we have multiple textareas.
     // My first idea was to simply add a hidden textarea as the first one, and redefine
     // insertTags such that it copied first the last active textareas contents over to that hidden
     // field, set the cursor or selection there, let the standard insertTags do its thing, and
     // then copy the hidden field's text, cursor position and selection back to the currently
     // active field. Unfortunately, that is just as complex as simply copying the whole code
     // from wikibits to here and let it work on the right text field in the first place.
     var texts = document.getElementsByTagName ('textarea');    
     for (var i = 0; i < texts.length; i++) {
	addHandler (texts[i], 'focus', EditTools.registerTextField);
     }
     // While we're at it, also enable it for input fields
     texts = document.getElementsByTagName ('input');
     for (var i = 0; i < texts.length; i++) {
	if (texts[i].type == 'text') addHandler (texts[i], 'focus', EditTools.registerTextField);
     }
     insertTags = EditTools.insertTags; // Redefine the global insertTags
  },
 
  last_active_textfield : null,
 
  registerTextField : function (evt)
  {
     var e = evt || window.event;
     var node = e.target || e.srcElement;
     if (!node) return;
     EditTools.last_active_textfield = node.id;
     return true;
  },
 
  getTextArea : function ()
  {
     var txtarea = null;
     if (EditTools.last_active_textfield && EditTools.last_active_textfield != "")
	txtarea = document.getElementById (EditTools.last_active_textfield);
     if (!txtarea) {
	// Fallback option: old behaviour
	if (document.editform) {
	   txtarea = document.editform.wpTextbox1;
	} else {
	   // Some alternate form? Take the first one we can find
	   txtarea = document.getElementsByTagName ('textarea');
	   if (txtarea.length > 0) txtarea = txtarea[0]; else txtarea = null;
	}
     }
     return txtarea;
  },
 
  insertTags : function (tagOpen, tagClose, sampleText)
  {
     var txtarea = EditTools.getTextArea ();
     if (!txtarea) return;
     var selText, isSample = false;
 
     function checkSelectedText ()
     {
	if (!selText) {
	   selText = sampleText; isSample = true;
	} else if (selText.charAt (selText.length - 1) == ' ') { // Exclude ending space char
	   selText = selText.substring (0, selText.length - 1);
	   tagClose += ' ';
	} 
     }
 
     if (document.selection && document.selection.createRange) { // IE/Opera
	// Save window scroll position
	var winScroll = 0;
	if (document.documentElement && document.documentElement.scrollTop)
	   winScroll = document.documentElement.scrollTop;
	else if (document.body)
	   winScroll = document.body.scrollTop;
	// Get current selection  
	txtarea.focus();
	var range = document.selection.createRange();
	selText = range.text;
	// Insert tags
	checkSelectedText ();
	range.text = tagOpen + selText + tagClose;
	// Mark sample text as selected
	if (isSample && range.moveStart) {
	   if (window.opera) tagClose = tagClose.replace (/\n/g, "");
	   range.moveStart( 'character', - tagClose.length - selText.length); 
	   range.moveEnd ('character', - tagClose.length); 
	}
	range.select ();   
	// Restore window scroll position
	if (document.documentElement && document.documentElement.scrollTop)
	   document.documentElement.scrollTop = winScroll;
	else if (document.body)
	   document.body.scrollTop = winScroll;
     } else if (txtarea.selectionStart || txtarea.selectionStart == '0') { // Mozilla
	// Save textarea scroll position
	var textScroll = txtarea.scrollTop;
	// Get current selection
	txtarea.focus();
	var startPos = txtarea.selectionStart;
	var endPos   = txtarea.selectionEnd;
	selText = txtarea.value.substring (startPos, endPos);
	// Insert tags
	checkSelectedText ();
	txtarea.value = txtarea.value.substring (0, startPos)
	+ tagOpen + selText + tagClose
	+ txtarea.value.substring (endPos);
	// Set new selection
	if (isSample) {
	   txtarea.selectionStart = startPos + tagOpen.length;
	   txtarea.selectionEnd = startPos + tagOpen.length + selText.length;
	} else {
	   txtarea.selectionStart = startPos + tagOpen.length + selText.length + tagClose.length;
	   txtarea.selectionEnd = txtarea.selectionStart;
	}
	// Restore textarea scroll position
	txtarea.scrollTop = textScroll;
     }
  }, // end insertTags
 
  setup : function ()
  {
     var placeholder = document.getElementById("editpage-specialchars");
     if (!placeholder) return;  // has this already been run once?
     EditTools.appendExtraCSS ();
     EditTools.createEditTools (placeholder);
     EditTools.enableForAllFields ();
  }
 
}; // end EditTools
 
// Do not use addOnloadHook; it runs *before* the onload event fires. At that time, onclick or
// onfocus handlers may not yet be set up properly.
hookEvent ('load', EditTools.setup);
 
if (!window.appendCSS)  // while waiting for a scap...
{
   window.appendCSS = function (text)
      {
	 var s = document.createElement('style');
	 s.setAttribute('type', 'text/css');
	 if (s.styleSheet) s.styleSheet.cssText = text; // IE
	 else s.appendChild(document.createTextNode(text));
	 document.getElementsByTagName('head')[0].appendChild(s);
	 return s;
      };
}
 
// </source>