//ajaxSearch.js
//Version: 1.8.1 - refactored by coroico
//Created by: KyleJ (kjaebker@muddydogpaws.com)
//Created on: 03/14/06
//Description: This code is used to setup the ajax search request.
//My thanks to Steve Smith of orderlist.com for sharing his code on how he did this
//Live Search by Thomas (Shadock)

//Updated: 02/10/08 - whereSearch, withTvs
//Updated: 10/07/08 - Added whereSearch, rank, order and filter parameters
//Updated: 02/07/08 - Added Phx templating & some new parameters
//Updated: 06/03/08 - Added advSearch and Hidden from menu options - 1.7.1
//Updated: 03/03/08 - Fix : % character freeze the search - 1.7.1
//Updated: 01/02/08 - Added version, folder and some others parameters - 1.7.0
//Updated: 12/14/07 - Fix : bad URI with several document groups - 1.6.2d - 
//Updated: 11/17/07 - Added IDs document selection - 1.6.2
//Updated: 11/06/07 - character encoding and opacity troubles corrected - 1.6.1

//Updated: 01/22/07 - Switched to mootools support
//Updated: 09/18/06 - Added user permissions to searching

//set the loading image to the correct location for you
//set the close image to the correct location for you
//set the ajax call to the correct location of ajaxSearch.php

// AjaxSearch Snippet folder location
var _base = 'assets/snippets/ajaxSearch/';

// AjaxSearch Snippet folder
var _version = '1.8.1';

//From Thomas : vars for live search
var _oldInputFieldValue = "";
var _currentInputFieldValue = "";
var _timeoutAdjustment = 0;
var newToggle;
var is_searching = false;
var liveTimeout = null;

function activateSearch() {
  var searchForm = $('ajaxSearch_form');

  if (as_version != _version) {
    alert("AjaxSearch version obsolete. Empty your browser cache and check the version of AjaxSearch.js file");
    return;
  }

  var s = $('ajaxSearch_output');
  s.setStyle('opacity', '0');

  if (searchForm) {
    $('ajaxSearch_form').onsubmit = function() { doSearch(); return false; };

    var i = new Element('img');
    i.setProperties({
       src: _base + 'images/indicator.white.gif', //Loading Image
       alt: 'loading',
       id: 'indicator'
    });
    toggleImage(i);

    searchForm.appendChild(i);

    var c = new Element('img'); //Close Image
    c.setProperties({
       src: _base + 'images/cross.png', 
       alt: 'close search',
       id: 'searchClose'
    });
    c.addEvent('click', function(){closeSearch();});

    if (liveSearch) {
      c.setStyles({
         position: 'absolute',
         top: '1px',
         right: '1px'
      });
    } else {
      toggleImage(c);
    }

    var n = new Element('div'); // New search results div
    n.setProperty('id', 'current-search-results');
    n.setStyle('opacity', '1');
    s.appendChild(n);
    newToggle = new Fx.Slide('current-search-results', {duration: 600}).hide();
    newToggle.isDisplayed = function() {
      return this.wrapper['offset'+this.layout.capitalize()] > 0;
    }

    if (liveSearch) {
      s.appendChild(c);
    } else {
      searchForm.appendChild(c);
    }        

    is_searching = false;
    search_open = false;
    if (liveSearch) {
      $('ajaxSearch_input').addEvent('keyup', liveSearchReq);
      $('ajaxSearch_submit').setStyle('opacity', '0');         
    }
  }
}

function liveSearchReq() {
  if (liveTimeout) {
    window.clearTimeout(liveTimeout);
  }
  liveTimeout = window.setTimeout("doSearch()",400);
}

function doSearch() {
  // If we're already loading, don't do anything
  if (is_searching) return false;
  
  // get the input searchstring from select or from input
  if (ss = $('ajaxSearch_select')) {
    selected = new Array();
    for (var i = 0; i < ss.options.length; i++) if (ss.options[ i ].selected) selected.push(ss.options[ i ].value);
    s = selected.join(" ");
  }
  else {
    s = $('ajaxSearch_input').value;
  }
  // Same if the searchstring is blank
  if (s == '') return false;
  is_searching = true;
  c = $('current-search-results');

  toggleImage($('indicator'));
  if (!liveSearch) {if (!search_open) {toggleImage($('searchClose'));}}
  search_open = true;
  b = $('ajaxSearch_submit');
  b.disabled = true;

  if (newToggle.isDisplayed()) {
    newToggle.toggle(); 
  }  

  // update the advSearch value from radio button if they exists
  if (r = $('radio_oneword')) {
    if (r.checked == true) advSearch = r.value;
  }
  if (r = $('radio_allwords')) {
    if (r.checked == true) advSearch = r.value;
  }
  if (r = $('radio_exactphrase')) {
    if (r.checked == true) advSearch = r.value;
  }
  if (r = $('radio_nowords')) {
    if (r.checked == true) advSearch = r.value;
  }
  
  // update the subSearch value from radio button if they exists
  sbsname = '';
  for (var i = 1; i < subSearch+1; i++) {
    if (sbs = $('subSearch'+i)) {
      if (sbs.checked == true) sbsname = sbs.value;
    }
  }

  // Setup the parameters and make the ajax call to the popup window
  var pars = Object.toQueryString({
    q: _base + 'ajaxSearchPopup.php',
    search: s,
    config: config,
    as_version: as_version,
    debug: debug,
    ajaxMax: ajaxMax,
    advSearch: encodeURI(advSearch),
    subSearch: encodeURI(sbsname),
    whereSearch: encodeURI(whereSearch),
    withTvs: withTvs,
    order: order,
    rank: rank,
    minChars: minChars,
    showMoreResults: showMoreResults,
    moreResultsPage: moreResultsPage,
    as_language: as_language,
    extract: extract,
    extractLength: extractLength,
    extractEllips: extractEllips,
    extractSeparator: extractSeparator,
    formatDate: formatDate,
    docgrp: encodeURI(docgrp),
    listIDs: encodeURI(listIDs),
    idType: idType,
    depth: depth,
    highlightResult: highlightResult,
    hideMenu: hideMenu,
    hideLink: hideLink,
    as_filter: as_filter,
    tplAjaxResult: tplAjaxResult,
    tplAjaxResults: tplAjaxResults,
    stripInput: stripInput,
    stripOutput: stripOutput,
    breadcrumbs: breadcrumbs,
    tvPhx: tvPhx
  });

  var ajaxSearchReq = new Ajax('index-ajax.php', {postBody: pars, onComplete: doSearchResponse});
   if (newToggle.isDisplayed()) {
    newToggle.toggle(); 
    ajaxSearchReq.request.delay(600, ajaxSearchReq);
  } else {
    ajaxSearchReq.request();
  }
  return true;
}

function doSearchResponse(request) {
  var o = $('ajaxSearch_output');
  o.setStyle('opacity', opacity);  // set of opacity parameter
  $('current-search-results').setHTML(request);
  newToggle.toggle();
  is_searching = false;
  setTimeout('resetForm()',600);
}

function resetForm() {
  s = $('ajaxSearch_submit');
  s.disabled = false;
  toggleImage($('indicator'));
}

function closeSearch() {
  newToggle.toggle();
  setTimeout('clearSearch()',600);
}

function clearSearch() {
  toggleImage($('searchClose'));
  search_open = false;
  $('current-search-results').innerHTML = '';
  var o = $('ajaxSearch_output');
  o.setStyle('opacity', '0');
  $('ajaxSearch_input').value="";
  $('ajaxSearch_input').focus();
}

function toggleImage(imgElement) {
  imgStyle = imgElement.getStyle('opacity');
  if (imgStyle == '0') {
    imgElement.setStyle('opacity', '1');
  } else {
    imgElement.setStyle('opacity', '0');
  }
}

//Event.observe(window, 'load', activateSearch, false);
Window.onDomReady(activateSearch);


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