Ciao, ho scaricato questo lo script numero 8 da questo sito:
http://www.javascript-examples.com/autocomplete-demo/
a questo sito è possibile vedere la demo:
http://www.dhtmlgoodies.com/scripts/...amic-list.html
ho cercato di modificarlo in base alle mie esigenze,in modo tale che interagisse con il mio form:
codice:
<div id="formContent">
<form name="myform" method="get" id="myform" action="home2.php" onsubmit="return controlla();">
<input type="text" id="country" name="country" class="mytext" onkeyup="ajax_showOptions(this,'getCountriesByLetters',event)"/>
<input type="submit" name="mysubmit" class="mysubmit" value="ricerca">
</form>
</div>
questo è il javascript che dovrei richiamare..ma non riesco a capire come fargli uscire il completamento automatico sotto la ricerca come vien fatto nella demo..per ora le parole del completam automatico mi escono,ma mi escono in alto a sinistra nella pagina..e non sotto la textbox.
Credo che la parte che da vita a quella sorta di quadrato che mi si apre,al cui interno ci sono le parole di completamento, sia nelle funzioni..
ajax_showOptions oppure ajax_option_list_buildList..
riuscireste a modificare per adattarlo al mio form..grazie mille..mi serve solo che il quadrato con le parole compaiano sotto il campo di ricercva il resto funziona..grazie mille!!!
codice:
var ajaxBox_offsetX = 0;
var ajaxBox_offsetY = 0;
//questo è l'indirizzo dove prelevare le parole per il completamento..
var ajax_list_externalFile = 'ajax-list-countries.php'; // Path to external file
var minimumLettersBeforeLookup = 1; // Number of letters entered before a lookup is performed.
var ajax_list_objects = new Array();
var ajax_list_cachedLists = new Array();
var ajax_list_activeInput = false;
var ajax_list_activeItem;
var ajax_list_optionDivFirstItem = false;
var ajax_list_currentLetters = new Array();
var ajax_optionDiv = false;
var ajax_optionDiv_iframe = false;
var ajax_list_MSIE = false;
if(navigator.userAgent.indexOf('MSIE')>=0 && navigator.userAgent.indexOf('Opera')<0)ajax_list_MSIE=true;
var currentListIndex = 0;
function ajax_getTopPos(inputObj)
{
var returnValue = inputObj.offsetTop;
while((inputObj = inputObj.offsetParent) != null){
returnValue += inputObj.offsetTop;
}
return returnValue;
}
function ajax_list_cancelEvent()
{
return false;
}
function ajax_getLeftPos(inputObj)
{
var returnValue = inputObj.offsetLeft;
while((inputObj = inputObj.offsetParent) != null)returnValue += inputObj.offsetLeft;
return returnValue;
}
function ajax_option_setValue(e,inputObj)
{
if(!inputObj)inputObj=this;
var tmpValue = inputObj.innerHTML;
if(ajax_list_MSIE)tmpValue = inputObj.innerText;else tmpValue = inputObj.textContent;
if(!tmpValue)tmpValue = inputObj.innerHTML;
ajax_list_activeInput.value = tmpValue;
if(document.getElementById(ajax_list_activeInput.name + '_hidden'))document.getElementById(ajax_list_activeInput.name + '_hidden').value = inputObj.id;
ajax_options_hide();
}
function ajax_options_hide()
{
if(ajax_optionDiv)ajax_optionDiv.style.display='none';
if(ajax_optionDiv_iframe)ajax_optionDiv_iframe.style.display='none';
}
function ajax_options_rollOverActiveItem(item,fromKeyBoard)
{
if(ajax_list_activeItem)ajax_list_activeItem.className='optionDiv';
item.className='optionDivSelected';
ajax_list_activeItem = item;
if(fromKeyBoard){
if(ajax_list_activeItem.offsetTop>ajax_optionDiv.offsetHeight){
ajax_optionDiv.scrollTop = ajax_list_activeItem.offsetTop - ajax_optionDiv.offsetHeight + ajax_list_activeItem.offsetHeight + 2 ;
}
if(ajax_list_activeItem.offsetTop<ajax_optionDiv.scrollTop)
{
ajax_optionDiv.scrollTop = 0;
}
}
}
function ajax_option_list_buildList(letters,paramToExternalFile)
{
ajax_optionDiv.innerHTML = '';
ajax_list_activeItem = false;
if(ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()].length<=1){
ajax_options_hide();
return;
}
ajax_list_optionDivFirstItem = false;
var optionsAdded = false;
for(var no=0;no<ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()].length;no++){
if(ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()][no].length==0)continue;
optionsAdded = true;
var div = document.createElement('DIV');
var items = ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()][no].split(/###/gi);
if(ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()].length==1 && ajax_list_activeInput.value == items[0]){
ajax_options_hide();
return;
}
div.innerHTML = items[items.length-1];
div.id = items[0];
div.className='optionDiv';
div.onmouseover = function(){ ajax_options_rollOverActiveItem(this,false) }
div.onclick = ajax_option_setValue;
if(!ajax_list_optionDivFirstItem)ajax_list_optionDivFirstItem = div;
ajax_optionDiv.appendChild(div);
}
if(optionsAdded){
ajax_optionDiv.style.display='block';
if(ajax_optionDiv_iframe)ajax_optionDiv_iframe.style.display='';
ajax_options_rollOverActiveItem(ajax_list_optionDivFirstItem,true);
}
}
function ajax_option_list_showContent(ajaxIndex,inputObj,paramToExternalFile,whichIndex)
{
if(whichIndex!=currentListIndex)return;
var letters = inputObj.value;
var content = ajax_list_objects[ajaxIndex].response;
var elements = content.split('|');
ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()] = elements;
ajax_option_list_buildList(letters,paramToExternalFile);
}
function ajax_option_resize(inputObj)
{
ajax_optionDiv.style.top = (ajax_getTopPos(inputObj) + inputObj.offsetHeight + ajaxBox_offsetY) + 'px';
ajax_optionDiv.style.left = (ajax_getLeftPos(inputObj) + ajaxBox_offsetX) + 'px';
if(ajax_optionDiv_iframe){
ajax_optionDiv_iframe.style.left = ajax_optionDiv.style.left;
ajax_optionDiv_iframe.style.top = ajax_optionDiv.style.top;
}
}
function ajax_showOptions(inputObj,paramToExternalFile,e)
{
if(e.keyCode==13 || e.keyCode==9)return;
if(ajax_list_currentLetters[inputObj.name]==inputObj.value)return;
if(!ajax_list_cachedLists[paramToExternalFile])ajax_list_cachedLists[paramToExternalFile] = new Array();
ajax_list_currentLetters[inputObj.name] = inputObj.value;
if(!ajax_optionDiv){
ajax_optionDiv = document.createElement('DIV');
ajax_optionDiv.id = 'ajax_listOfOptions';
document.body.appendChild(ajax_optionDiv);
if(ajax_list_MSIE){
ajax_optionDiv_iframe = document.createElement('IFRAME');
ajax_optionDiv_iframe.border='0';
ajax_optionDiv_iframe.style.width = ajax_optionDiv.clientWidth + 'px';
ajax_optionDiv_iframe.style.height = ajax_optionDiv.clientHeight + 'px';
ajax_optionDiv_iframe.id = 'ajax_listOfOptions_iframe';
document.body.appendChild(ajax_optionDiv_iframe);
}
var allInputs = document.getElementsByTagName('INPUT');
for(var no=0;no<allInputs.length;no++){
if(!allInputs[no].onkeyup)allInputs[no].onfocus = ajax_options_hide;
}
var allSelects = document.getElementsByTagName('SELECT');
for(var no=0;no<allSelects.length;no++){
allSelects[no].onfocus = ajax_options_hide;
}
var oldonkeydown=document.body.onkeydown;
if(typeof oldonkeydown!='function'){
document.body.onkeydown=ajax_option_keyNavigation;
}else{
document.body.onkeydown=function(){
oldonkeydown();
ajax_option_keyNavigation() ;}
}
var oldonresize=document.body.onresize;
if(typeof oldonresize!='function'){
document.body.onresize=function() {ajax_option_resize(inputObj); };
}else{
document.body.onresize=function(){oldonresize();
ajax_option_resize(inputObj) ;}
}
}
if(inputObj.value.length<minimumLettersBeforeLookup){
ajax_options_hide();
return;
}
ajax_optionDiv.style.top = (ajax_getTopPos(inputObj) + inputObj.offsetHeight + ajaxBox_offsetY) + 'px';
ajax_optionDiv.style.left = (ajax_getLeftPos(inputObj) + ajaxBox_offsetX) + 'px';
if(ajax_optionDiv_iframe){
ajax_optionDiv_iframe.style.left = ajax_optionDiv.style.left;
ajax_optionDiv_iframe.style.top = ajax_optionDiv.style.top;
}
ajax_list_activeInput = inputObj;
ajax_optionDiv.onselectstart = ajax_list_cancelEvent;
currentListIndex++;
if(ajax_list_cachedLists[paramToExternalFile][inputObj.value.toLowerCase()]){
ajax_option_list_buildList(inputObj.value,paramToExternalFile,currentListIndex);
}else{
var tmpIndex=currentListIndex/1;
ajax_optionDiv.innerHTML = '';
var ajaxIndex = ajax_list_objects.length;
ajax_list_objects[ajaxIndex] = new sack();
var url = ajax_list_externalFile + '?' + paramToExternalFile + '=1&letters=' + inputObj.value.replace(" ","+");
ajax_list_objects[ajaxIndex].requestFile = url; // Specifying which file to get
ajax_list_objects[ajaxIndex].onCompletion = function(){ ajax_option_list_showContent(ajaxIndex,inputObj,paramToExternalFile,tmpIndex); }; // Specify function that will be executed after file has been found
ajax_list_objects[ajaxIndex].runAJAX(); // Execute AJAX function
}
}
function ajax_option_keyNavigation(e)
{
if(document.all)e = event;
if(!ajax_optionDiv)return;
if(ajax_optionDiv.style.display=='none')return;
if(e.keyCode==38){ // Up arrow
if(!ajax_list_activeItem)return;
if(ajax_list_activeItem && !ajax_list_activeItem.previousSibling)return;
ajax_options_rollOverActiveItem(ajax_list_activeItem.previousSibling,true);
}
if(e.keyCode==40){ // Down arrow
if(!ajax_list_activeItem){
ajax_options_rollOverActiveItem(ajax_list_optionDivFirstItem,true);
}else{
if(!ajax_list_activeItem.nextSibling)return;
ajax_options_rollOverActiveItem(ajax_list_activeItem.nextSibling,true);
}
}
if(e.keyCode==13 || e.keyCode==9){ // Enter key or tab key
if(ajax_list_activeItem && ajax_list_activeItem.className=='optionDivSelected')ajax_option_setValue(false,ajax_list_activeItem);
if(e.keyCode==13)return false; else return true;
}
if(e.keyCode==27){ // Escape key
ajax_options_hide();
}
}
document.documentElement.onclick = autoHideList;
function autoHideList(e)
{
if(document.all)e = event;
if (e.target) source = e.target;
else if (e.srcElement) source = e.srcElement;
if (source.nodeType == 3) // defeat Safari bug
source = source.parentNode;
if(source.tagName.toLowerCase()!='input' && source.tagName.toLowerCase()!='textarea')ajax_options_hide();
}