User:Java7837/SearchBox.js

// Search box for Mediawiki
// (c) 2006 [[User:Zocky]], released under GPL
//<pre><nowiki>

var sr$t;
var sr$f;
var sr$s;
var sr$r;
var sr$w;
var sr$i;
var sr$re;
var sr$mc;

function $e(id) {return document.getElementById(id)}

function srBack()
{
  if (sr$s.value=='') {sr$t.focus(); return }

  if (sr$re.checked) {
    var searchString = sr$s.value;
  } else {
    searchString=sr$s.value.replace(/([\[\]\{\}\|\.\*\?\(\)\$\^\\])/g,'\\$1');
  }

  searchString="("+searchString+")(?![\\s\\S]*"+searchString+")";
  if (sr$mc.checked)
    var re=new RegExp(searchString);
  else
    var re=new RegExp(searchString,"i");

  var res = re.exec (sr$t.value.substring(0,sr$t.selectionStart));
  if (!res) {
    var res = re.exec (sr$t.value)
  }

  if (res)
  {
    sr$t.selectionStart=res.index;
    sr$t.selectionEnd=res.index+res[1].length;
  }
  else sr$t.selectionStart=sr$t.selectionEnd;
  
  srSync();
}

function srNext()
{
  if (sr$s.value=='') {sr$t.focus(); return }

  if (sr$re.checked) {
    var searchString = sr$s.value;
  } else {
    searchString=sr$s.value.replace(/([\[\]\{\}\|\.\*\?\(\)\$\^\\])/g,'\\$1');
  }

  if (sr$mc.checked)
    var re=new RegExp(searchString,"g");
  else
    var re=new RegExp(searchString,"gi");

  re.lastIndex=sr$t.selectionEnd;
  var res = re.exec (sr$t.value)
  if (!res) {
    re.lastIndex=0;
    var res = re.exec (sr$t.value)
  }

  if (res)
  {
    sr$t.selectionStart=res.index;
    sr$t.selectionEnd=res.index+res[0].length;
  }
  else sr$t.selectionStart=sr$t.selectionEnd;
  srSync();
}

function srReplace()
{

  var sels=sr$t.selectionStart;
  var sele=sr$t.selectionEnd;
  var selr=sr$t.value.length-sele;

  if (sr$s.value=='' || sels==sele) {sr$t.focus(); return }

  if (sr$re.checked) {
    var searchString = sr$s.value;
    var replaceString = sr$r.value;

  } else {
    searchString=sr$s.value.replace(/([\[\]\{\}\|\.\*\?\(\)\$\^\\])/g,'\\$1');
    replaceString=sr$r.value.replace(/([\$\\])/g,'\\$1');
  }

  if (sr$mc.checked)
    var re=new RegExp(searchString,"g");
  else
    var re=new RegExp(searchString,"gi");

  re.lastIndex=sels;
  var res = re.exec (sr$t.value);
  var $$=0;
  if (res && res.index==sels && res[0].length==sele-sels)
  {
    if (sr$re.checked) {
      replaceString=replaceString.replace(/\\\\/g,'&backslash;').replace(/\\\$/g,'&dollar;')
      var replaceBits=(" "+replaceString).split(/(?=\$\d)/);
      replaceString=replaceBits[0].substring(1);
      for (var i=1; i<replaceBits.length; i++)
      {
        $$=replaceBits[i][1]-'0';
        if ($$<res.length)
           replaceString += res[$$] + replaceBits[i].substring(2)
        else
           replaceString += replaceBits[i];
     }
     replaceString=replaceString.replace (/\\n/,"\n").replace (/&backslash;/g,"\\").replace
                                         (/&dollar;/g,"\$")

    }
     sr$t.value= sr$t.value.substring(0,sels) + replaceString + sr$t.value.substring(sele);
  }

  sr$t.selectionStart=sels;
  sr$t.selectionEnd=sr$t.value.length-selr;
  srSync();
}


function srReplaceall()
{
  if (!sr$s.value) {sr$t.focus(); return }

  var sels=sr$t.selectionStart;
  var sele=sr$t.selectionEnd;
  var selr=sr$t.value.length-sele;

  var reps;

  if (sr$re.checked) {
    var searchString = sr$s.value;
    var replaceString = sr$r.value.replace(/\\\\/,'&backslash;').replace(/\\n/,'\n').replace(/&backslash;/,"\\");
  } else {
    searchString=sr$s.value.replace(/([\[\]\{\}\|\.\*\?\(\)\$\^\\])/g,'\\$1');
    replaceString=sr$r.value.replace(/([\$\\])/g,'\\$1');
  }

  if (sele>sels)
    reps=sr$t.value.substring(sels,sele);
  else
    reps=sr$t.value;
 
  if (sr$mc.checked)
    var re=new RegExp(searchString,"g");
  else
    var re=new RegExp(searchString,"gi");
  
  var replaceCounter=0;

  var replaceFunc=function(){replaceCounter++;return replaceString};

  reps=reps.replace(re,replaceFunc);

  if (sele>sels)
    sr$t.value = sr$t.value.substring(0,sels) + reps + sr$t.value.substring(sele);
  else
    sr$t.value = reps;

  sr$t.selectionStart=sels;
  sr$t.selectionEnd=sele>sels ? sr$t.value.length-selr : sels;
  window.status = replaceCounter+" ocurrences of " + searchString + " replaced.";
  srSync();
}

function srToggleCase()
{
  var sels=sr$t.selectionStart;
  var sele=sr$t.selectionEnd;
  var selr=sr$t.value.length-sele;
  var selt=sr$t.value.substring(sels,sele);

  if (sele>sels)
  {
    if (selt==selt.toUpperCase())
      selt=selt.toLowerCase()
    else if (selt==selt.toLowerCase() && sele-sels>1)
      selt=selt.substring(0,1).toUpperCase()+selt.substring(1).toLowerCase()
    else
      selt=selt.toUpperCase();

    sr$t.value = sr$t.value.substring(0,sels) + selt + sr$t.value.substring(sele);
    sr$t.selectionStart=sels;
    sr$t.selectionEnd=sele>sels ? sr$t.value.length-selr : sels;
  }
  srSync();
}


function srSync()
{
    var i;
    var allLines=0;
    var lineNo=0;
    var w=sr$t.cols-5;

    var dummy=sr$t.value.split("\n");
    for (i=0;i<dummy.length;i++){allLines+=Math.ceil(dummy[i].length/w)}

    var dummy=sr$t.value.substring(0,sr$t.selectionStart).split("\n");
    for (i=0;i<dummy.length;i++){lineNo+=Math.ceil(dummy[i].length/w)}

//    alert (w+" "+lineNo+"/"+allLines);

    sr$t.scrollTop=sr$t.scrollHeight*(lineNo-10)/allLines;
    sr$t.focus();
}


function srInit()
{

  if($e('wpTextbox1')) {
    
var srBoxCode ='<div id="srForm"><table id="srBox" cellpadding="0" cellspacing="2">'
           +'<tr><td valign="bottom"><small><span style="color:#000000;">search for:</span></small><br/>'
           +'<input type="text" id="srSearch" accesskey="F" tabindex="8"'
           +'onkeypress="event.which == 13 && srNext()"; value=""/></td>'
           +'<td valign="bottom"><small><span style="color:#000000;">replace with:</span></small><br/><input type="text" id="srReplace" accesskey="G" tabindex="9"'
           +'onkeypress="event.which == 13 && srNext()"; value=""/></td>'
           +'<td valign="top">'
           +'<input type="checkbox" id="srCase" onclick="sr$t.focus()" tabindex="10"/><small><span style="color:#000000;">match case</span</small>'
           +'<input type="checkbox" id="srRegexp" onclick="sr$t.focus()" tabindex="11"/><small><span style="color:#000000;">use regexp</span></small><br/> '
           +'<a href="javascript:srBack()" onmouseover="sr$t.focus()" title="find previous match [alt-2]" accesskey="2">&lt;</a>&nbsp;'
           +'<a href="javascript:srNext()" onmouseover="sr$t.focus()" title="find next match [alt-3]" accesskey="3">find&nbsp;&nbsp;&gt;</a>&emsp;'
           +'<a href="javascript:srReplace();srBack()" onmouseover="sr$t.focus()" title="replace and find previous match [alt-4]" accesskey="4">&lt;</a>&nbsp;'
           +'<a href="javascript:srReplace()" onmouseover="sr$t.focus()" title="replace this match">replace</a>&nbsp;'
           +'<a href="javascript:srReplace();srNext()" onmouseover="sr$t.focus()" title="replace and find next match [alt-5]" accesskey="5">&gt;</a>&emsp;'
           +'<a href="javascript:srReplaceall()" onmouseover="sr$t.focus()" title="replace all matches [alt-7]" accesskey="7">replace&nbsp;all</a>&emsp;'
           +'</td></tr></table></div>'

    var ep=$e('searchInput');
    if (ep) ep.accessKey='none';

    sr$t=document.editform.wpTextbox1;
    sr$w=sr$t.style.width;

    var sr=document.createElement('div');
    sr.innerHTML=srBoxCode;

    var im=document.createElement('span');
    im.innerHTML='<a id="SearchIcon" href="javascript:srShowHide()"><img style="cursor: pointer;" title="Search/Replace" alt="Search/Replace" src="http://upload.wikimedia.org/wikipedia/en/1/12/Button_find.png" border="0" height="22" width="23"></a><a href="javascript:srToggleCase()"><img style="cursor: pointer;" title="Toggle case" alt="Toggle case" src="http://upload.wikimedia.org/wikipedia/en/1/12/Button_case.png" border="0" height="22" width="23"></a>';

    var ep=$e('toolbar');
    if (ep)
    {
      ep.appendChild(im)
    }
    else
    {
      var ep=$e('editform');
      ep.parentNode.insertBefore(im,ep);
    } 

    sr$i=$e('SearchIcon');
    sr$i.accessKey="F";
    sr.firstChild.style.display='none';


    var ep=$e('editform');
    ep.parentNode.insertBefore(sr,ep);

    sr$f=$e('srForm');
    sr$s=$e('srSearch');
    sr$r=$e('srReplace');
    sr$re=$e('srRegexp');
    sr$mc=$e('srCase');

  }
}

function srShowHide()
{
  if (sr$f.style.display=='none')
  {
    sr$f.style.display='block';
    sr$i.accessKey="none";
    sr$t.style.width='auto';
    sr$s.focus();
  }
  else
  {
    sr$f.style.display='none';
    sr$t.style.width=sr$w;
    sr$i.accessKey="F";
  }
}


document.write('<link rel="stylesheet" type="text/css" href="'  
             + 'http://en.wikipedia.org/w/index.php?title=User:Zocky/SearchBox.css'
             + '&action=raw&ctype=text/css&dontcountme=s">');

$(srInit);
//</nowiki></pre>

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