/*
// +----------------------------------------------------------------------+
// | Copyright (c) 2004 Bitflux GmbH                                      |
// +----------------------------------------------------------------------+
// | Licensed under the Apache License, Version 2.0 (the "License");      |
// | you may not use this file except in compliance with the License.     |
// | You may obtain a copy of the License at                              |
// | http://www.apache.org/licenses/LICENSE-2.0                           |
// | Unless required by applicable law or agreed to in writing, software  |
// | distributed under the License is distributed on an "AS IS" BASIS,    |
// | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or      |
// | implied. See the License for the specific language governing         |
// | permissions and limitations under the License.                       |
// +----------------------------------------------------------------------+
// | Author: Bitflux GmbH <devel@bitflux.ch>                              |
// +----------------------------------------------------------------------+

*/
var liveSearchReq = false;
var t = null;
var liveSearchLast = "";

var isIE = false;
// on !IE we only have to initialize it once
if (window.XMLHttpRequest) {
  liveSearchReq = new XMLHttpRequest();
}

function closeResults() {
  document.getElementById("LSResult").style.display = "none";
}

function liveSearchInit() {
  if (navigator.userAgent.indexOf("Safari") > 0) {
    document.getElementById('livesearch').addEventListener("keydown",liveSearchKeyPress,false);
    // document.getElementById('livesearch').addEventListener("blur",liveSearchHide,false);
  } else if (navigator.product == "Gecko") {
    document.getElementById('livesearch').addEventListener("keypress",liveSearchKeyPress,false);
    document.getElementById('livesearch').addEventListener("blur",liveSearchHideDelayed,false);
  } else {
    document.getElementById('livesearch').attachEvent('onkeydown',liveSearchKeyPress);
    // document.getElementById('livesearch').attachEvent("onblur",liveSearchHide,false);
    isIE = true;
  }
  document.getElementById('livesearch').setAttribute("autocomplete","off");
}

function liveSearchHideDelayed() {
  window.setTimeout("liveSearchHide()",400);
}

function liveSearchHide() {
  document.getElementById("LSResult").style.display = "none";
  var highlight = document.getElementById("LSHighlight");
  if (highlight) {
    highlight.removeAttribute("id");
  }
}
function liveSearchKeyPress(event) {
  if (event.keyCode == 40 ) { // Key down
    highlight = document.getElementById("LSHighlight");
    if (!highlight) {
      highlight = document.getElementById("LSShadow").firstChild.firstChild;
    } else {
      highlight.removeAttribute("id");
      highlight = highlight.nextSibling;
    }
    if (highlight) {
      highlight.setAttribute("id","LSHighlight");
    }
    if (!isIE) { event.preventDefault(); }
  } else if (event.keyCode == 38 ) { //KEY UP
    highlight = document.getElementById("LSHighlight");
    if (!highlight) {
      highlight = document.getElementById("LSResult").firstChild.firstChild.lastChild;
    } else {
      highlight.removeAttribute("id");
      highlight = highlight.previousSibling;
    }
    if (highlight) {
      highlight.setAttribute("id","LSHighlight");
    }
    if (!isIE) { event.preventDefault(); }
  } else if (event.keyCode == 27) { // ESC
    highlight = document.getElementById("LSHighlight");
    if (highlight) {
      highlight.removeAttribute("id");
    }
    document.getElementById("LSResult").style.display = "none";
  } else if (event.keyCode == 8 && isIE) { // BACKSPACE - required for IE
    liveSearchStart();
  }
}
function liveSearchStart() {
  if (t) {
    window.clearTimeout(t);
  }
  t = window.setTimeout("liveSearchDoSearch()",200);
}

function liveSearchDoSearch() {
  if (typeof liveSearchRoot == "undefined") {
    liveSearchRoot = "";
  }
  if (typeof liveSearchRootSubDir == "undefined") {
    liveSearchRootSubDir = "";
  }
  if (typeof liveSearchParams == "undefined") {
    liveSearchParams2 = "";
  } else {
    liveSearchParams2 = "&" + liveSearchParams;
  }
  if (liveSearchLast != document.forms.searchform.q.value) {
    if (liveSearchReq && liveSearchReq.readyState < 4) {
      liveSearchReq.abort();
    }
    if ( document.forms.searchform.q.value == "") {
      liveSearchHide();
      liveSearchLast = "";
      return false;
    }
    if (window.ActiveXObject) {
      liveSearchReq = new ActiveXObject("Microsoft.XMLHTTP");
    } else {
      try {
              liveSearchReq = new XMLHttpRequest();
      } catch (e) {
              liveSearchReq=false;
      }
    }
//    liveSearchReq.onReadyStateChange= liveSearchProcessReqChange;

    liveSearchReq.onreadystatechange= function() {
      if (liveSearchReq.readyState == 4) {
        var  res = document.getElementById("LSResult");
        res.style.display = "inline";
        var  sh = document.getElementById("LSShadow");
        sh.innerHTML = liveSearchReq.responseText;
      }
    }

    liveSearchReq.open("GET", "/Scripts/dbsearch.epl?name=" + document.forms.searchform.q.value + liveSearchParams2);
    liveSearchLast = document.forms.searchform.q.value;
    liveSearchReq.send(null);

    window.setTimeout("liveSearchProcessReqChange2()",400);
  }
}

function liveSearchProcessReqChange() {
  if (liveSearchReq.readyState == 4) {
    var  res = document.getElementById("LSResult");
    res.style.display = "inline";
    var  sh = document.getElementById("LSShadow");
    alert(liveSearchReq.responseText)
    sh.innerHTML = liveSearchReq.responseText;
  }
}

function liveSearchProcessReqChange2() {
  var  res = document.getElementById("LSResult");
  res.style.display = "inline";
  var  sh = document.getElementById("LSShadow");
  sh.innerHTML = liveSearchReq.responseText;
}

function liveSearchSubmit() {
        var highlight = document.getElementById("LSHighlight");
        if (highlight && highlight.firstChild) {
                window.location = liveSearchRoot + liveSearchRootSubDir + highlight.firstChild.nextSibling.getAttribute("href");
                return false;
        }
        else {
                return true;
        }
}


/* preview comment code */
function preview(request){
    //
    var previewNode = $('previewComment');

    if (!previewNode) {
        var lastComment = $('bx_foo');
        var previewNode = document.createElement("div");
        previewNode.id = 'previewComment';
        previewNode.className = 'post_content';
        previewNode = lastComment.parentNode.insertBefore(previewNode,lastComment.nextSibling);

    }
    previewNode.innerHTML = request.responseText;
}

function previewSubmit(test) {
    var name = document.getElementById('name').value;
    var mail = document.getElementById('email').value;
    var uri = document.getElementById('openid_url').value;
    var text = document.forms['bx_foo']['comments'].value;
    var f = document.forms['commentForm'];
        if (typeof liveSearchRoot == "undefined") {
                var liveSearchRoot = "/";
        }
    body = "mail=" + encodeURIComponent(mail) + "&uri="+ encodeURIComponent(uri) + "&text="+ encodeURIComponent(text) + "&name="+ encodeURIComponent(name);
    new ajax (liveSearchRoot + 'inc/bx/php/preview.php', {
        postBody: body,
                method: 'post',
                onComplete: preview
    });
    return false;
}