phpldapadmin/htdocs/js/ajax_functions.js

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JavaScript
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/**
* @package phpLDAPadmin
* @author The phpLDAPadmin development team
* @author Xavier Bruyet
*/
// current request
var http_div = '';
var http_request = null;
var http_request_success_callback = '';
var http_request_error_callback = '';
function ajSUBMIT(div,obj,display) {
var pageDiv = getDiv(div);
window.scrollTo(0,95);
makeHttpRequest('cmd.php',getParameters(obj.parentNode)+'meth=ajax','POST','alertAJ','cancelAJ',div);
if (pageDiv)
includeHTML(pageDiv,'<img src="images/ajax-progress.gif"><br><small>'+display+'...</small>');
else
return true;
return false;
}
function ajDISPLAY(div,urlParameters,display,ns) {
var pageDiv = getDiv(div);
if (! ns)
window.scrollTo(0,95);
makeHttpRequest('cmd.php',urlParameters+'&meth=ajax','GET','alertAJ','cancelAJ',div);
if (pageDiv)
includeHTML(pageDiv,'<img src="images/ajax-progress.gif"><br><small>'+display+'...</small>');
else
return true;
return false;
}
function ajJUMP(url,title,index,prefix) {
var attr = prefix ? document.getElementById(prefix+index).value : index;
if (attr)
url += '&viewvalue='+attr;
return ajDISPLAY('BODY',url,'Loading '+title);
}
function ajSHOWTHIS(key,except,ctl) {
select = document.getElementById(key+except);
if (select.style.display == '')
return false;
hideall(key,except,ctl);
return false;
};
function ajSHOWSCHEMA(type,key,value) {
select = document.getElementById(type);
if (value != null) {
except = value;
select.value = value;
} else {
except = select.value;
}
if (! except) {
showall(key);
} else {
objectclass = document.getElementById(key+except);
objectclass.style.display = '';
hideall(key,except);
};
return false;
};
function hideall(key,except,ctl) {
items = items();
for (x in items) {
if (! isNaN(x) && except != items[x]) {
item = document.getElementById(key+items[x]);
item.style.display = 'none';
if (ctl && (item = document.getElementById(ctl+items[x]))) {
item.style.background = '#E0E0E0';
}
} else if (! isNaN(x) && except == items[x]) {
item = document.getElementById(key+items[x]);
item.style.display = '';
if (ctl && (item = document.getElementById(ctl+items[x]))) {
item.style.background = '#F0F0F0';
}
}
}
}
function showall(key) {
items = items();
for (x in items) {
if (! isNaN(x)) {
item = document.getElementById(key+items[x]);
item.style.display = '';
}
}
}
// include html into a component
function includeHTML(component,html) {
if (typeof(component) != 'object' || typeof(html) != 'string') return;
component.innerHTML = html;
var scripts = component.getElementsByTagName('script');
if (!scripts) return;
// load scripts
for (var i = 0; i < scripts.length; i++) {
var scriptclone = document.createElement('script');
if (scripts[i].attributes.length > 0) {
for (var j in scripts[i].attributes) {
if (typeof(scripts[i].attributes[j]) != 'undefined'
&& typeof(scripts[i].attributes[j].nodeName) != 'undefined'
&& scripts[i].attributes[j].nodeValue != null
&& scripts[i].attributes[j].nodeValue != '') {
scriptclone.setAttribute(scripts[i].attributes[j].nodeName,scripts[i].attributes[j].nodeValue);
}
}
}
scriptclone.text = scripts[i].text;
scripts[i].parentNode.replaceChild(scriptclone,scripts[i]);
eval(scripts[i].innerHTML);
}
}
// callback function
function alertHttpRequest() {
if (http_request && (http_request.readyState == 4)) {
if (http_request.status == 200 || http_request.status == 401) {
response = http_request.responseText;
http_request = null;
//alert(response);
if (http_request_success_callback) {
eval(http_request_success_callback + '(response,http_div)');
}
} else {
alert('There was a problem with the request.');
cancelHttpRequest();
}
}
}
function cancelHttpRequest() {
if (http_request) {
http_request = null;
if (http_request_error_callback) {
eval(http_request_error_callback + '(http_div)');
}
}
}
function makeHttpRequest(url,parameters,meth,successCallbackFunctionName,errorCallbackFunctionName,div) {
cancelHttpRequest(div);
http_request_success_callback = successCallbackFunctionName;
http_request_error_callback = errorCallbackFunctionName;
http_div = div;
if (window.XMLHttpRequest) { // Mozilla, Safari,...
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {
http_request.overrideMimeType('text/html');
}
} else if (window.ActiveXObject) { // IE
try {
http_request = new ActiveXObject('Msxml2.XMLHTTP');
} catch (e) {
try {
http_request = new ActiveXObject('Microsoft.XMLHTTP');
} catch (e) {}
}
}
if (!http_request) {
alert('Cannot create XMLHTTP instance.');
return false;
}
http_request.onreadystatechange = window['alertHttpRequest'];
if (meth == 'GET') url = url + '?' + parameters;
http_request.open(meth,url,true);
http_request.setRequestHeader('Content-type','application/x-www-form-urlencoded');
// http_request.setRequestHeader('Content-length',parameters.length);
// http_request.setRequestHeader('Connection','close');
if (meth == 'GET') parameters = null;
http_request.send(parameters);
}
function getParameters(obj) {
var elements = ['input','select','textarea'];
var getstr = '';
for (var j in elements) {
for (i=0; i<obj.getElementsByTagName(elements[j]).length; i++) {
// Ignore submit variables
if (obj.getElementsByTagName(elements[j])[i].type == 'submit') {
} else if (obj.getElementsByTagName(elements[j])[i].type == 'text') {
getstr += obj.getElementsByTagName(elements[j])[i].name + '=' + encodeURIComponent(obj.getElementsByTagName(elements[j])[i].value) + '&';
} else if (obj.getElementsByTagName(elements[j])[i].type == 'checkbox') {
if (obj.getElementsByTagName(elements[j])[i].checked) {
getstr += obj.getElementsByTagName(elements[j])[i].name + '=' + encodeURIComponent(obj.getElementsByTagName(elements[j])[i].value) + '&';
} else {
getstr += obj.getElementsByTagName(elements[j])[i].name + '=&';
}
} else if (obj.getElementsByTagName(elements[j])[i].type == 'radio') {
if (obj.getElementsByTagName(elements[j])[i].checked) {
getstr += obj.getElementsByTagName(elements[j])[i].name + '=' + encodeURIComponent(obj.getElementsByTagName(elements[j])[i].value) + '&';
}
} else if (obj.getElementsByTagName(elements[j])[i].tagName == 'SELECT') {
var sel = obj.getElementsByTagName(elements[j])[i];
getstr += sel.name + '=' + encodeURIComponent(sel.options[sel.selectedIndex].value) + '&';
} else if (obj.getElementsByTagName(elements[j])[i].tagName == 'INPUT') {
getstr += obj.getElementsByTagName(elements[j])[i].name + '=' + encodeURIComponent(obj.getElementsByTagName(elements[j])[i].value) + '&';
} else if (obj.getElementsByTagName(elements[j])[i].tagName == 'TEXTAREA') {
getstr += obj.getElementsByTagName(elements[j])[i].name + '=' + encodeURIComponent(obj.getElementsByTagName(elements[j])[i].value) + '&';
} else {
alert('UNTRAPPED FORM tag:'+elements[j]+', n: '+obj.getElementsByTagName(elements[j])[i].tagName+', t:'+obj.getElementsByTagName(elements[j])[i].type);
}
}
}
return getstr;
}