[Sommaire] [Imprimer]

   1  /*
   2  // +----------------------------------------------------------------------+
   3  // | Copyright (c) 2004 Bitflux GmbH                                      |
   4  // +----------------------------------------------------------------------+
   5  // | Licensed under the Apache License, Version 2.0 (the "License");      |
   6  // | you may not use this file except in compliance with the License.     |
   7  // | You may obtain a copy of the License at                              |
   8  // | http://www.apache.org/licenses/LICENSE-2.0                           |
   9  // | Unless required by applicable law or agreed to in writing, software  |
  10  // | distributed under the License is distributed on an "AS IS" BASIS,    |
  11  // | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or      |
  12  // | implied. See the License for the specific language governing         |
  13  // | permissions and limitations under the License.                       |
  14  // +----------------------------------------------------------------------+
  15  // | Author: Bitflux GmbH <devel@bitflux.ch>                              |
  16  // +----------------------------------------------------------------------+
  17  
  18  */
  19  var liveSearchReq = false;
  20  var t = null;
  21  var liveSearchLast = "";
  22  var isIE = false;
  23  
  24  // on !IE we only have to initialize it once
  25  if (window.XMLHttpRequest) {
  26      liveSearchReq = new XMLHttpRequest();
  27  }
  28  
  29  function addLoadEvent(func) {
  30    var oldonload = window.onload;
  31    if (typeof window.onload != 'function') {
  32      window.onload = func;
  33    } else {
  34      window.onload = function() {
  35        oldonload();
  36        func();
  37      }
  38    }
  39  }
  40  
  41  function liveSearchInit() {
  42      if (navigator.userAgent.indexOf("Safari") > 0) {
  43          document.getElementById('serendipityQuickSearchTermField').addEventListener("keydown", liveSearchKeyPress,false);
  44          document.getElementById('searchform').addEventListener("submit", liveSearchSubmit,false);
  45      } else if (navigator.product == "Gecko") {
  46          document.getElementById('serendipityQuickSearchTermField').addEventListener("keypress", liveSearchKeyPress,false);
  47          document.getElementById('searchform').addEventListener("submit", liveSearchSubmit,false);
  48      } else {
  49          document.getElementById('serendipityQuickSearchTermField').attachEvent("onkeydown", liveSearchKeyPress);
  50          document.getElementById('searchform').attachEvent("onsubmit", liveSearchSubmit);
  51          isIE = true;
  52      }
  53  
  54      if (document.getElementById('searchform').setAttribute) {
  55          document.getElementById('searchform').setAttribute('autocomplete','off');
  56          document.getElementById('serendipityQuickSearchTermField').setAttribute('autocomplete','off');
  57      }
  58  
  59       document.onclick = liveSearchKeyPress
  60  }
  61  
  62  function liveSearchKeyPress(event) {
  63      if (event.keyCode == 40 ) { //KEY DOWN
  64          highlight = document.getElementById("LSHighlight");
  65          if (!highlight) {
  66              highlight = document.getElementById("LSResult").firstChild.firstChild.firstChild;
  67          } else {
  68              highlight.removeAttribute("id");
  69              highlight = highlight.nextSibling;
  70          }
  71          if (highlight) {
  72              highlight.setAttribute("id","LSHighlight");
  73          }
  74          if (!isIE) { event.preventDefault(); }
  75      }
  76      //KEY UP
  77      else if (event.keyCode == 38 ) {
  78          highlight = document.getElementById("LSHighlight");
  79          if (!highlight) {
  80              highlight = document.getElementById("LSResult").firstChild.firstChild.lastChild;
  81          }
  82          else {
  83              highlight.removeAttribute("id");
  84              highlight = highlight.previousSibling;
  85          }
  86          if (highlight) {
  87                  highlight.setAttribute("id","LSHighlight");
  88          }
  89          if (!isIE) { event.preventDefault(); }
  90      }
  91      //ESC or mouse click
  92      else if (event.keyCode == 27 || (event.clientX)) {
  93          highlight = document.getElementById("LSHighlight");
  94          if (highlight) {
  95              highlight.removeAttribute("id");
  96          }
  97          document.getElementById("LSResult").style.display = "none";
  98       } else {
  99          liveSearchStart();
 100      }
 101  }
 102  function liveSearchStart() {
 103      if (t) {
 104          window.clearTimeout(t);
 105      }
 106      t = window.setTimeout("liveSearchDoSearch()",200);
 107  }
 108  
 109  function liveSearchDoSearch() {
 110      v = document.getElementById('serendipityQuickSearchTermField').value;
 111      if (liveSearchLast != v && v.length > 3) {
 112          if (liveSearchReq && liveSearchReq.readyState < 3) {
 113              liveSearchReq.abort();
 114          }
 115  
 116          if (v == "") {
 117              document.getElementById("LSResult").style.display = "none";
 118              highlight = document.getElementById("LSHighlight");
 119              if (highlight) {
 120                  highlight.removeAttribute("id");
 121              }
 122              return false;
 123          }
 124  
 125          if (window.XMLHttpRequest) {
 126          // branch for IE/Windows ActiveX version
 127          } else if (window.ActiveXObject) {
 128              liveSearchReq = new ActiveXObject("Microsoft.XMLHTTP");
 129          }
 130  
 131          document.getElementById('LSResult').style.display = "block";
 132          document.getElementById('LSResult').firstChild.innerHTML = '<div class="serendipity_livesearch_result">' + waittext + '</div>';
 133  
 134          liveSearchReq.onreadystatechange= liveSearchProcessReqChange;
 135          liveSearchReq.open("GET", lsbase + "s=" + v);
 136          liveSearchLast = v;
 137          liveSearchReq.send(null);
 138      }
 139  }
 140  
 141  function liveSearchProcessReqChange() {
 142  
 143      if (liveSearchReq.readyState == 4) {
 144          var  res = document.getElementById("LSResult");
 145          res.style.display = "block";
 146            rawResult = liveSearchReq.responseText.replace(/<[^>]+>/g, '')
 147            if (parseInt(rawResult) == 1) {
 148                res.firstChild.innerHTML = notfoundtext
 149          } else {
 150              res.firstChild.innerHTML = liveSearchReq.responseText;
 151          }
 152      }
 153  }
 154  
 155  function liveSearchSubmit() {
 156      var highlight = document.getElementById("LSHighlight");
 157      if (highlight && highlight.firstChild) {
 158          document.getElementById('searchform').action = highlight.firstChild.getAttribute("href");
 159          return false;
 160      } else {
 161          return true;
 162      }
 163  }