//ajaxSearch.js

//Version: 1.8.4 - refactored by coroico

//20/10/2009

//Created by: KyleJ (kjaebker@muddydogpaws.com)

//Created on: 03/14/2006

//Description: This code is used to setup the ajax search request



//set the loading and the close image to the correct location for you

//set the folder location to the correct location of ajaxSearch.php

//set the default parameters as default.config.inc.php



// AjaxSearch Snippet folder location

var _base = 'assets/snippets/ajaxSearch/';



// AjaxSearch default snippet parameter values

var _version = '1.8.4';

var opacity = 1.;

var liveSearch = 0;

var minChars = 3;



var newToggle;

var is_searching = false;

var liveTimeout = null;



function activateSearch() {

  if (as_version != _version) {

    alert("AjaxSearch version obsolete. Empty your browser cache and check the version of AjaxSearch.js file");

    return;

  }



  res = ucfg.match(/&opacity=`([^`]*)`/);

  if (res != null) opacity = parseFloat(res[1]); 



  res = ucfg.match(/&liveSearch=`([^`]*)`/);

  if (res != null) liveSearch = parseInt(res[1]);



  res = ucfg.match(/&minChars=`([^`]*)`/);

  if (res != null) minChars = parseInt(res[1]);



  var asf = $('ajaxSearch_form');

  var aso = $('ajaxSearch_output');

  aso.setStyle('opacity', '0');



  if (asf) {

    asf.onsubmit = function() { doSearch(); return false; };



    var c = new Element('img'); //Close Image

    c.setProperties({

       src: _base + 'images/cross.png', 

       alt: 'close search',

       id: 'searchClose'

    });

    c.addEvent('click', function(){closeSearch();});

    toggleImage(c);

    asf.appendChild(c);



    var i = new Element('img');

    i.setProperties({

       src: _base + 'images/indicator.white.gif', //Loading Image

       alt: 'loading',

       id: 'indicator'

    });

    toggleImage(i);

    asf.appendChild(i);



    var n = new Element('div'); // New search results div

    n.setProperty('id', 'current-search-results');

    n.setStyle('opacity', '1');

    aso.appendChild(n);

    newToggle = new Fx.Slide('current-search-results', {duration: 600}).hide();

    newToggle.isDisplayed = function() {

      return this.wrapper['offset'+this.layout.capitalize()] > 0;

    }



    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;

  if (liveSearch && s.length < minChars) return false;

  is_searching = true;

  c = $('current-search-results');



  toggleImage($('indicator'));

  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

  setAdvSearch('radio_oneword');

  setAdvSearch('radio_allwords');

  setAdvSearch('radio_exactphrase');

  setAdvSearch('radio_nowords');



  // 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;

    }

  }

  subSearch = sbsname;



  // Setup the parameters and make the ajax call to the popup window

  var pars = Object.toQueryString({

    q: _base + 'ajaxSearchPopup.php',

    search: s,

    as_version: as_version,

    advSearch: encodeURI(advSearch),

    subSearch: encodeURI(subSearch),

    ucfg: ucfg

  });



  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 setAdvSearch(id) {

  if (r = $(id)) {

    if (r.checked == true) advSearch = r.value;

  }

}



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);