/**
 * Copyright 2005 Darren L. Spurgeon
 * 
 * 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.
 *
 * -----
 *
 * liveUpdater function and other portions copyright by:
 * Copyright 2004 Leslie A. Hensley (hensleyl@papermountain.org)
 *   you have a license to do what ever you like with this code
 *   orginally from Avai Bryant
 *   http://www.cincomsmalltalk.com/userblogs/avi/blogView?entry=3268075684
 */
 
var isSafari = false;
var isMoz = false;
var isIE = false;

if (navigator.userAgent.indexOf("Safari") > 0) {
  isSafari = true;
  isMoz = false;
  isIE = false;
}
else if (navigator.product == "Gecko") {
  isSafari = false;
  isMoz = true;
  isIE = false;
}
else {
  isSafari = false;
  isMoz = false;
  isIE = true;
}

//
// GLOBAL FUNCTIONS
//

/* Functions to handle browser incompatibilites */
function eventElement(event) {
  if (isMoz) {
    return event.currentTarget;
  } else {
    return event.srcElement;
  }
}

function addKeyListener(element, listener) {
  if (isSafari)
    element.addEventListener("keydown",listener,false);
  else if (isMoz)
    element.addEventListener("keypress",listener,false);
  else
    element.attachEvent("onkeydown",listener);
}

function addListener(element, type, listener) {
  if (element.addEventListener) {
    element.addEventListener(type, listener, false);
  } else {
    element.attachEvent('on' + type, listener);
  }
}

function removeListener(element, type, listener) {
  if (element.removeEventListener) {
    element.removeEventListener(type, listener, false);
  } else {
    element.detachEvent('on' + type, listener);
  }
}

/* XML Helper functions */
function trim(s) {
  while (s.substring(0,1) == ' ') {
    s = s.substring(1,s.length);
  }
  while (s.substring(s.length-1,s.length) == ' ') {
    s = s.substring(0,s.length-1);
  }
  return s;
}

function flatten(node) {
  if (node.nodeType == 1) {
    return '<' + node.nodeName + flattenAttributes(node) + '>' +
    flattenChildren(node.childNodes) + '</' + node.nodeName + '>';
  } else if(node.nodeType == 3) {
    return trim(node.nodeValue);
  }
}

function flattenAttributes(node) {
  var buffer = '';
  for (var i=0;i<node.attributes.length;i++) {
    var attribute = node.attributes[i];
    buffer += ' '+ attribute.name + '="' + attribute.value + '"';
  }
  return buffer;
}

function flattenChildren(nodes) {
  var buffer = '';
  if (nodes.length > 0) {
    for (var i=0;i<nodes.length;i++) {
      buffer += flatten(nodes[i]);
    }
  }
  return buffer;
}


//
// LIVE UPDATE CORE
//
/*
  liveUpdater returns the live update function to use
  uriFunc: The function to generate the uri
  postFunc: <optional> Function to run after processing is complete
  preFunc: <optional> Function to run before processing starts
*/
function liveUpdater(uriFunc, handlerFunc, preFunc, emptyFunc, errorFunc) {
  if (!handlerFunc) handlerFunc = function() {};
  if (!preFunc) preFunc = function () {};
  if (!emptyFunc) emptyFunc = function () {};
  if (!errorFunc) errorFunc = function () {};

  return createLiveUpdaterFunction(uriFunc, handlerFunc, preFunc, emptyFunc, errorFunc);
}

function createLiveUpdaterFunction(uriFunc, handlerFunc, preFunc, emptyFunc, errorFunc) {

    function update() {
      preFunc();
      postXmlHttp( uriFunc(), wrapHandlerFunc );
    }

    function wrapHandlerFunc() {
      var xmlDoc = _xmlHttpRequestObj.responseXML;
      handlerFunc(xmlDoc);
    }

    return update;
}


//
// AUTOCOMPLETE
//
function autocomplete(id, popupId, uri, paramName, postFunc, formName, minimumCharacters) {
  var inputField = document.getElementById(id);
  var popup = document.getElementById(popupId);
  if (!postFunc) postFunc = function () {};
  if (minimumCharacters == null || minimumCharacters == "null") minimumCharacters = 2;
  var items = new Array();
  var current = 0;
  var originalPopupTop = popup.offsetTop;
  var _formName = formName;

  function constructUri() {
    var separator = "?";
    if (uri.indexOf("?") >= 0)
        separator = "&";
    return uri + separator + paramName + "=" + escape(inputField.value);
  }

  function hidePopup() {
    popup.style.visibility = 'hidden';
    popup.style.display = 'none';
    adjustiFrame( popup );
  }

  function handlePopupOver() {
    removeListener(inputField, 'blur', hidePopup);
  }

  function handlePopupOut() {
    if (popup.style.visibility == 'visible') {
      addListener(inputField, 'blur', hidePopup);
    }
  }

  function populateHiddenValue( tgtObj )
  {
    if ( _formName == 'createOpp' )
    {
      var custType = tgtObj.getAttribute("type");
      if ( custType == 'ORG' )
      {
        document.forms['createOpp'].elements['customerId'].value = tgtObj.getAttribute("id");
        if ( document.forms['createOpp'].elements['org_and_contact'].value=='N' )
          document.forms['createOpp'].elements['contactId'].value  = '-1';
      }
      else
      {
        if ( document.forms['createOpp'].elements['org_and_contact'].value=='N' )
          document.forms['createOpp'].elements['customerId'].value = '-1';
        document.forms['createOpp'].elements['contactId'].value  = tgtObj.getAttribute("id");
      }
    }
    else if ( _formName == 'createAsset' )
    {
      var custType = tgtObj.getAttribute("type");
      if ( custType == 'ORG' )
      {
        document.forms['createAsset'].elements['customerId'].value = tgtObj.getAttribute("id");
        document.forms['createAsset'].elements['contactId'].value  = '-1';
      }
      else
      {
        document.forms['createAsset'].elements['customerId'].value = '-1';
        document.forms['createAsset'].elements['contactId'].value  = tgtObj.getAttribute("id");
      }
    }
    else if ( _formName == 'createContact' )
    {
        document.forms['createForm'].elements['customerId'].value = tgtObj.getAttribute("id");
    }
    else if ( _formName == 'LOVCreateContact' )
    {
        document.forms['createForm'].elements['custID'].value = tgtObj.getAttribute("id");
    }
    else if ( _formName == 'quickContact' )
    {
        document.forms['quickContact'].elements['companyid'].value = tgtObj.getAttribute("id");
    }
    else if ( _formName == 'createCase' )
    {
        document.forms['createCase'].elements['contactId'].value = tgtObj.getAttribute("id");
        document.forms['createCase'].elements['customerId'].value = tgtObj.getAttribute("orgid");
        document.forms['createCase'].elements['customerName'].value = tgtObj.getAttribute("orgname");
    }
    else if ( _formName == 'createForm' )
    {
        document.forms['createForm'].elements['zip'].value = tgtObj.getAttribute("postalcode");
        document.forms['createForm'].elements['city'].value = tgtObj.getAttribute("city");
        document.forms['createForm'].elements['state'].value = tgtObj.getAttribute("state");
        document.forms['createForm'].elements['county'].value = tgtObj.getAttribute("county");
    }
    else if ( _formName == 'inlinePopupCreateForm' )
    {
      $(_formName+'_zip').value = tgtObj.getAttribute("postalcode");
      $(_formName+'_city').value = tgtObj.getAttribute("city");
      $(_formName+'_state').value = tgtObj.getAttribute("state");
      $(_formName+'_county').value = tgtObj.getAttribute("county");
    }
    else if ( _formName == 'inlinePopupCreateFormOpp' )
    {
      var _end = '';
      if ( id == 'ajaxnewopp_prodName_0' ) _end = '_0';
      if ( id == 'ajaxnewopp_prodName_1' ) _end = '_1';
      if ( id == 'ajaxnewopp_prodName_2' ) _end = '_2';
      if ( id == 'ajaxnewopp_prodName_3' ) _end = '_3';
      if ( id == 'ajaxnewopp_prodName_4' ) _end = '_4';
      
      $( 'ajaxnewopp_prdCatId'+_end ).value = tgtObj.getAttribute("prdcatid");
      $( 'ajaxnewopp_prdId'+_end ).value = tgtObj.getAttribute("prdid");
      $( 'ajaxnewopp_price'+_end ).value = tgtObj.getAttribute("price");
      var price = tgtObj.getAttribute("price");
      var qty = 1.0 * $( 'ajaxnewopp_qty'+_end ).value;
      if ( qty == 1.0 || qty == 0.0 )
      {
        $( 'ajaxnewopp_qty'+_end ).value = '1';
        $( 'ajaxnewopp_amt'+_end ).value = price;
      }
      else
      {
        $( 'ajaxnewopp_amt'+_end ).value = qty * price;
      }
    }
    else if ( _formName == 'addProduct' )
    {
      document.addProduct.elements['prdCatId'].value = tgtObj.getAttribute("prdcatid");
      document.addProduct.elements['prdId'].value = tgtObj.getAttribute("prdid");
      document.addProduct.elements['price'].value = tgtObj.getAttribute("price");
      var price = tgtObj.getAttribute("price");
      var qty = 1.0 * document.addProduct.elements['qty'].value;
      if ( qty == 1.0 || qty == 0.0 )
      {
        document.addProduct.elements['qty'].value = '1';
        document.addProduct.elements['amt'].value = price;
      }
      else
      {
        document.addProduct.elements['amt'].value = qty * price;
      }
    }
    else if ( _formName == 'createOppProduct' )
    {
      var _end = '';
      if ( id == 'prodName_0' ) _end = '_0';
      if ( id == 'prodName_1' ) _end = '_1';
      if ( id == 'prodName_2' ) _end = '_2';
      if ( id == 'prodName_3' ) _end = '_3';
      if ( id == 'prodName_4' ) _end = '_4';
      
      document.createOpp.elements['prdCatId'+_end].value = tgtObj.getAttribute("prdcatid");
      document.createOpp.elements['prdId'+_end].value = tgtObj.getAttribute("prdid");
      document.createOpp.elements['price'+_end].value = tgtObj.getAttribute("price");
      var price = tgtObj.getAttribute("price");
      var qty = 1.0 * document.createOpp.elements['qty'+_end].value;
      if ( qty == 1.0 || qty == 0.0 )
      {
        document.createOpp.elements['qty'+_end].value = '1';
        document.createOpp.elements['amt'+_end].value = price;
      }
      else
      {
        document.createOpp.elements['amt'+_end].value = qty * price;
      }
    }
    else if ( _formName == 'createCaseProduct' )
    {
      document.createCase.elements['prdCatId'].value = tgtObj.getAttribute("prdcatid");
      document.createCase.elements['prdId'].value    = tgtObj.getAttribute("prdid");
    }
    else if ( _formName == 'storeSectionForm' )
    {
      var _end = id.substring(8);  // if ( id == 'prodName_0' ) _end = '_0';

      document.storeSectionForm.elements['prdCatId'+_end].value = tgtObj.getAttribute("prdcatid");
      document.storeSectionForm.elements['prdId'+_end].value = tgtObj.getAttribute("prdid");
      document.storeSectionForm.elements['price'+_end].value = tgtObj.getAttribute("price");
    }
    else if ( _formName == 'genFormACOrg' || _formName == 'genFormACOrg_ACHook' )
    {
      $('customerId').value = tgtObj.getAttribute("id");
      if ( _formName == 'genFormACOrg_ACHook' )
      {
        try { genFormACOrg_ACHook(); } catch (Exception) {}
      }
    }
    else if ( _formName == 'newTransaction' )
    {
      $('accountId').value = tgtObj.getAttribute("id");
      try { genFormACOrg_ACHook(); } catch (Exception) {}
    }
    else if ( _formName == 'readyDrive' )
    {
      for (var i=0; i<16; i++)
      {
        if ( tgtObj.getAttribute('rdk_'+i) != null && tgtObj.getAttribute('rdk_'+i) != '' )
        {
          var fieldId    = tgtObj.getAttribute('rdk_'+i);
          var fieldValue = tgtObj.getAttribute('rdv_'+i);
          if ( document.createOpp.elements['CF_'+fieldId] != null )
            document.createOpp.elements['CF_'+fieldId].value = fieldValue;
        }
      }
    }
  }

  function handleClick(e) {
    inputField.value = eventElement(e).innerHTML;
    populateHiddenValue( eventElement(e) );
    popup.style.visibility = 'hidden';
    popup.style.display = 'none';
    adjustiFrame( popup );
    inputField.focus();
    postFunc();
  }

  function handleOver(e) {
    items[current].className = '';
    current = eventElement(e).index;
    items[current].className = 'selected';
  }

  function handlerFunc(xmlDoc) {
 
    if ( xmlDoc == null || xmlDoc.documentElement == null
         || !xmlDoc.documentElement.hasChildNodes() || xmlDoc.firstChild.nodeName == "parsererror" )
    {
      hidePopup();
      return;
    }

    var root = xmlDoc.documentElement;
    if (root != null) {

      var items = root.childNodes;

      // Transform item tags to LI tags
      var ul = xmlDoc.createElement("ul");
      for (var i=0; i<items.length; i++) {
        var li = xmlDoc.createElement("li");
        var liIdAttr = xmlDoc.createAttribute("id");
        var liText = xmlDoc.createTextNode(items[i].firstChild.nodeValue);
        if ( items[i].getAttribute("nodeid") != null )     li.setAttribute("id", items[i].getAttribute("nodeid"));
        if ( items[i].getAttribute("nodetype") != null )   li.setAttribute("type", items[i].getAttribute("nodetype"));
        if ( items[i].getAttribute("orgid") != null )      li.setAttribute("orgid", items[i].getAttribute("orgid"));
        if ( items[i].getAttribute("orgname") != null )    li.setAttribute("orgname", items[i].getAttribute("orgname"));
        
        if ( items[i].getAttribute("postalcode") != null ) li.setAttribute("postalcode", items[i].getAttribute("postalcode"));
        if ( items[i].getAttribute("city") != null )       li.setAttribute("city", items[i].getAttribute("city"));
        if ( items[i].getAttribute("state") != null )      li.setAttribute("state", items[i].getAttribute("state"));
        if ( items[i].getAttribute("county") != null )     li.setAttribute("county", items[i].getAttribute("county"));

        if ( items[i].getAttribute("prdcatid") != null )   li.setAttribute("prdcatid", items[i].getAttribute("prdcatid"));
        if ( items[i].getAttribute("prdid") != null )      li.setAttribute("prdid", items[i].getAttribute("prdid"));
        if ( items[i].getAttribute("price") != null )      li.setAttribute("price", items[i].getAttribute("price"));

        if ( items[i].getAttribute("rdk_0") != null )      li.setAttribute("rdk_0", items[i].getAttribute("rdk_0"));
        if ( items[i].getAttribute("rdv_0") != null )      li.setAttribute("rdv_0", items[i].getAttribute("rdv_0"));
        if ( items[i].getAttribute("rdk_1") != null )      li.setAttribute("rdk_1", items[i].getAttribute("rdk_1"));
        if ( items[i].getAttribute("rdv_1") != null )      li.setAttribute("rdv_1", items[i].getAttribute("rdv_1"));
        if ( items[i].getAttribute("rdk_2") != null )      li.setAttribute("rdk_2", items[i].getAttribute("rdk_2"));
        if ( items[i].getAttribute("rdv_2") != null )      li.setAttribute("rdv_2", items[i].getAttribute("rdv_2"));
        if ( items[i].getAttribute("rdk_3") != null )      li.setAttribute("rdk_3", items[i].getAttribute("rdk_3"));
        if ( items[i].getAttribute("rdv_3") != null )      li.setAttribute("rdv_3", items[i].getAttribute("rdv_3"));
        if ( items[i].getAttribute("rdk_4") != null )      li.setAttribute("rdk_4", items[i].getAttribute("rdk_4"));
        if ( items[i].getAttribute("rdv_4") != null )      li.setAttribute("rdv_4", items[i].getAttribute("rdv_4"));
        if ( items[i].getAttribute("rdk_5") != null )      li.setAttribute("rdk_5", items[i].getAttribute("rdk_5"));
        if ( items[i].getAttribute("rdv_5") != null )      li.setAttribute("rdv_5", items[i].getAttribute("rdv_5"));
        if ( items[i].getAttribute("rdk_6") != null )      li.setAttribute("rdk_6", items[i].getAttribute("rdk_6"));
        if ( items[i].getAttribute("rdv_6") != null )      li.setAttribute("rdv_6", items[i].getAttribute("rdv_6"));
        if ( items[i].getAttribute("rdk_7") != null )      li.setAttribute("rdk_7", items[i].getAttribute("rdk_7"));
        if ( items[i].getAttribute("rdv_7") != null )      li.setAttribute("rdv_7", items[i].getAttribute("rdv_7"));
        if ( items[i].getAttribute("rdk_8") != null )      li.setAttribute("rdk_8", items[i].getAttribute("rdk_8"));
        if ( items[i].getAttribute("rdv_8") != null )      li.setAttribute("rdv_8", items[i].getAttribute("rdv_8"));
        if ( items[i].getAttribute("rdk_9") != null )      li.setAttribute("rdk_9", items[i].getAttribute("rdk_9"));
        if ( items[i].getAttribute("rdv_9") != null )      li.setAttribute("rdv_9", items[i].getAttribute("rdv_9"));
        if ( items[i].getAttribute("rdk_10") != null )      li.setAttribute("rdk_10", items[i].getAttribute("rdk_10"));
        if ( items[i].getAttribute("rdv_10") != null )      li.setAttribute("rdv_10", items[i].getAttribute("rdv_10"));
        if ( items[i].getAttribute("rdk_11") != null )      li.setAttribute("rdk_11", items[i].getAttribute("rdk_11"));
        if ( items[i].getAttribute("rdv_11") != null )      li.setAttribute("rdv_11", items[i].getAttribute("rdv_11"));
        if ( items[i].getAttribute("rdk_12") != null )      li.setAttribute("rdk_12", items[i].getAttribute("rdk_12"));
        if ( items[i].getAttribute("rdv_12") != null )      li.setAttribute("rdv_12", items[i].getAttribute("rdv_12"));
        if ( items[i].getAttribute("rdk_13") != null )      li.setAttribute("rdk_13", items[i].getAttribute("rdk_13"));
        if ( items[i].getAttribute("rdv_13") != null )      li.setAttribute("rdv_13", items[i].getAttribute("rdv_13"));
        if ( items[i].getAttribute("rdk_14") != null )      li.setAttribute("rdk_14", items[i].getAttribute("rdk_14"));
        if ( items[i].getAttribute("rdv_14") != null )      li.setAttribute("rdv_14", items[i].getAttribute("rdv_14"));
        if ( items[i].getAttribute("rdk_15") != null )      li.setAttribute("rdk_15", items[i].getAttribute("rdk_15"));
        if ( items[i].getAttribute("rdv_15") != null )      li.setAttribute("rdv_16", items[i].getAttribute("rdv_15"));

        li.appendChild(liText);
        ul.appendChild(li);
      }

      // Remove item tags
      for (var j=items.length-1; j>=0; j--) {
        root.removeChild(root.childNodes[j]);
      }

      // Add UL tag
      root.appendChild(ul);

      // Set innerHTML for popup
      document.getElementById(popupId).innerHTML = flattenChildren(root.childNodes);
      setSelected();
    }
  }

  function setSelected() {
    current = 0;
    items = popup.getElementsByTagName("li");
    if ((items.length > 1) || (items.length == 1 && items[0].innerHTML != inputField.value))
    {
      setPopupStyles();
      for (var i = 0; i < items.length; i++)
      {
        items[i].index = i;
        addOptionHandlers(items[i]);
      }
      items[0].className = 'selected';
    }
    else
    {
      popup.style.visibility = 'hidden';
      popup.style.display = 'none';
      adjustiFrame( popup );
    }

    return null;
  }

  function empty() {
    popup.style.visibility = 'hidden';
    popup.style.display = 'none';
    adjustiFrame( popup );
  }

  function setPopupStyles() {
    var maxHeight
    if (isIE) {
      maxHeight = 200;
    } else {
      maxHeight = window.outerHeight/3;
    }
    if (popup.offsetHeight < maxHeight) {
      popup.style.overflow = 'hidden';
    } else if (isMoz) {
      popup.style.maxHeight = maxHeight + 'px';
      popup.style.overflow = '-moz-scrollbars-vertical';
    } else {
      popup.style.height = maxHeight + 'px';
      popup.style.overflowY = 'auto';
    }
    popup.scrollTop = 0;

    // Start playing
//    popup.className = 'autocomplete';
//    popup.style.position = 'static';
    popup.style.top = (getAbsElementY(document.getElementById(id))+document.getElementById(id).offsetHeight+2) + "px";
    popup.style.left = getAbsElementX(document.getElementById(id)) + "px";
    popup.style.width = document.getElementById(id).offsetWidth + "px";

    popup.style.visibility = 'visible';
    popup.style.display = 'block';
    adjustiFrame( popup );
  }

  function addOptionHandlers(option) {
    addListener(option, "click", handleClick);
    addListener(option, "mouseover", handleOver);
  }

  var updater = liveUpdater(constructUri, handlerFunc, null, empty);
  var timeout = false;

  function start(e) {

    if (timeout) window.clearTimeout(timeout);

    var key = 0;
    if (e.keyCode)                          { key = e.keyCode; }
    else if (typeof(e.which)!= 'undefined') { key = e.which; }
    var fieldLength = inputField.value.length;

    //up arrow
    if (key == 38) {
      if (current > 0) {
        items[current].className = '';
        current--;
        items[current].className = 'selected';
        items[current].scrollIntoView(false);
      }

    //down arrow
    } else if (key == 40) {
      if(current < items.length - 1) {
        items[current].className = '';
        current++;
        items[current].className = 'selected';
        items[current].scrollIntoView(false);
      }

    //enter or tab
    } else if ((key == 13 || key == 9) && popup.style.visibility == 'visible') {
      inputField.value = items[current].innerHTML;
      populateHiddenValue( items[current] );
      popup.style.visibility = 'hidden';
      popup.style.display = 'none';
      adjustiFrame( popup );
      inputField.focus();
      if (isIE) {
        event.returnValue = false;
      } else {
        e.preventDefault();
      }
      postFunc();

    //escape
    } else if (key == 27) {
      hidePopup();
      if (isIE) {
        event.returnValue = false;
      } else {
        e.preventDefault();
      }

    } else {
      // increment/decrement fieldLength for correct count
      if (key == 8 || key == 46) {  // 8 = backspace, 46=delete
        fieldLength -= 1;
      } else {
        fieldLength += 1;
      }
      // Check for empty input field or not enough characters
      if (fieldLength < minimumCharacters)
      {
        // hide popup and return
        hidePopup();
      }
      else
      {
        if (key != 9)
        {
          timeout = window.setTimeout(updater, 300);
        }
      }
    }
  }

  addKeyListener(inputField, start);
  addListener(popup, 'mouseover', handlePopupOver);
  addListener(popup, 'mouseout', handlePopupOut);
}