/*---------------------------------------*\
 Find and Replace Plugin for HTMLArea-3.0
 -----------------------------------------
 author: Cau guanabara 
 e-mail: caugb@ibest.com.br
\*---------------------------------------*/

var FindReplace = window.opener.FindReplace;
var editor = FindReplace.editor;
var is_mo = window.opener.HTMLArea.is_gecko;
var tosearch = '';
var pater = null;
var buffer = null;
var matches = 0;
var replaces = 0;
var fr_spans = new Array();
function _lc(string) {
    return(window.opener.HTMLArea._lc(string, 'FindReplace'));
}
function execSearch(params) {
var ihtml = editor._doc.body.innerHTML;
  if(buffer == null) 
    buffer = ihtml;
    
  if(params['fr_pattern'] != tosearch) {
    if(tosearch != '')
      clearDoc();
  tosearch = params['fr_pattern'];
  }
  
  if(matches == 0) {
  er = params['fr_words'] ? "/(?!<[^>]*)(\\b"+params['fr_pattern']+"\\b)(?![^<]*>)/g" :
                            "/(?!<[^>]*)("+params['fr_pattern']+")(?![^<]*>)/g";
    if(!params['fr_matchcase'])
      er += "i"; 

  pater = eval(er);
  
  var tago = '<span id=frmark>';
  var tagc = '</span>';
  var newHtml = ihtml.replace(pater,tago+"$1"+tagc);
  
  editor.setHTML(newHtml);
  
  var getallspans = editor._doc.body.getElementsByTagName("span"); 
    for (var i = 0; i < getallspans.length; i++) 
      if(/^frmark/.test(getallspans[i].id))
        fr_spans.push(getallspans[i]);
  }

spanWalker(params['fr_pattern'],params['fr_replacement'],params['fr_replaceall']);
}

function spanWalker(pattern,replacement,replaceall) {
var foundtrue = false;
clearMarks();

  for (var i = matches; i < fr_spans.length; i++) {
  var elm = fr_spans[i];
  foundtrue = true;
    if(!(/[0-9]$/.test(elm.id))) { 
    matches++;
    disab('fr_clear',false);
    elm.id = 'frmark_'+matches;
    elm.style.color = 'white';
    elm.style.backgroundColor = 'highlight';
    elm.style.fontWeight = 'bold';
    elm.scrollIntoView(false);
      if(/\w/.test(replacement)) {
        if(replaceall || confirm(_lc("Substitute this occurrence?"))) {
        elm.firstChild.replaceData(0,elm.firstChild.data.length,replacement);
        replaces++;
        disab('fr_undo',false);
        }
        if(replaceall) {
        clearMarks();
        continue;
        }
      }
    break;
    }
  }
  var last = (i >= fr_spans.length - 1);
  if(last || !foundtrue) { // EOF
  var message = _lc("Done")+':\n\n';
    if(matches > 0) {
      if(matches == 1) message += matches+' '+_lc("found item");
      else             message += matches+' '+_lc("found items");
      if(replaces > 0) {
        if(replaces == 1) message += ',\n'+replaces+' '+_lc("replaced item");
        else              message += ',\n'+replaces+' '+_lc("replaced items");
      }
    hiliteAll();
    disab('fr_hiliteall',false);
    } else { message += '"'+pattern+'" '+_lc("not found"); }
  alert(message+'.');
  }
}

function clearDoc() {
var doc = editor._doc.body.innerHTML; 
var er = /(<span\s+[^>]*id=.?frmark[^>]*>)([^<>]*)(<\/span>)/gi;
editor._doc.body.innerHTML = doc.replace(er,"$2");
pater = null;
tosearch = '';
fr_spans = new Array();
matches = 0;
replaces = 0;
disab("fr_hiliteall,fr_clear",true);
}

function clearMarks() {
var getall = editor._doc.body.getElementsByTagName("span"); 
  for (var i = 0; i < getall.length; i++) {
  var elm = getall[i];
    if(/^frmark/.test(elm.id)) {
    var objStyle = editor._doc.getElementById(elm.id).style;
    objStyle.backgroundColor = "";
    objStyle.color = "";
    objStyle.fontWeight = "";
    }
  }
}

function hiliteAll() { 
var getall = editor._doc.body.getElementsByTagName("span"); 
  for (var i = 0; i < getall.length; i++) {
  var elm = getall[i];
    if(/^frmark/.test(elm.id)) { 
    var objStyle = editor._doc.getElementById(elm.id).style;
    objStyle.backgroundColor = "highlight";
    objStyle.color = "white";
    objStyle.fontWeight = "bold";
    }
  }
}

function resetContents() { 
  if(buffer == null) return;
var transp = editor._doc.body.innerHTML;
editor._doc.body.innerHTML = buffer;
buffer = transp;
}

function disab(elms,toset) { 
var names = elms.split(/[,; ]+/);
  for(var i = 0; i < names.length; i++) 
    document.getElementById(names[i]).disabled = toset;
}