var _ajaxobject = "";
var _ajaxresultjsontext = "";
var _ajaxcallbackresult = "";
var reqHttp = false;
if (!window.TKAjax) {var TKAjax = {}};
if (!window.TKAjaxData) {var TKAjaxData = {}};
if (!window.processingIcon) { var processingIcon = null; };
if (!window.starter) { var starter = null; };
function do_submit( sform )
{
var vform = document.getElementById( sform );
vform.submit();
}
TKAjaxData = function( value , data )
{
this.value = value;
this.data = data;
};
/****************************************************************************************************************************************************************************************************
* object Widget with the AJAX implementations
* created at 2007
* changes:
* -> 20090604 - created makePostFields
* - added dependency (phpjs)
*
* @author Adolfo Eloy Nascimento
***************************************************************************************************************************************************************************************************/
TKAjax = function()
{
//var req = false; //object to be an XMLHttpRequest object
this.data = ""; // the data to send to server
this.serverScript = ""; // script to be executed on Server
this.processReq = null;
this.getReq = function()
{
return reqHttp;
};
/**
* function to set the icon element to show when processing sth
* @param string vElement element id of an object
*/
this.setProcessingIcon = function( vElement )
{
processingIcon = vElement;
};
this.setStarter = function( v1 )
{
starter = v1;
};
/**
* function to set the json format data
* @param variant vData any data to be stringified by json object
*/
this.setJSONData = function( vData )
{
this.data = JSON.stringify( vData );
};
/**
* function to set the serverScript attribute
* @param string strServerScript script to be executed on Server
*/
this.setServerScript = function( strServerScript )
{
this.serverScript = strServerScript;
};
/**
* specify a callback to treat the ajax result instead of use the default ProcessReqChange
* @param string callback
*/
this.setProcessReq = function( callback )
{
this.processReq = callback;
};
/**
* function to send the data to server asyncrhonously
*/
this.sendDataToServer = function( strOptions )
{
// local variables
var contentType = "application/x-www-form-urlencoded; charset=UTF-8";
// some validations
if ( this.serverScript.length ==0 )
{
alert( "Server Script Property was not set" );
return false;
}
try
{
if ( window.XMLHttpRequest )
{
// searches for a native XMLHttpRequest object
try
{
reqHttp = new XMLHttpRequest();
}
catch (e)
{
reqHttp = false;
}
}
else
{
// searches for IE/Windows ActiveX
try
{
reqHttp = new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e)
{
try
{
reqHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e)
{
reqHttp = false;
}
}
}
} catch (e) {
reqHttp = false;
}
if ( reqHttp )
{
// setting needed properties for XMLHttpRequest object
if ( window.navigator.appName != "Microsoft Internet Explorer")
{
reqHttp.onload = null;
}
if (processingIcon != null)
processingIcon.style.display = "inline";
if (starter != null)
starter.disabled = true;
if (this.processReq != null) {
reqHttp.onreadystatechange = this.processReq;
} else {
reqHttp.onreadystatechange = this.processReqChange;
}
reqHttp.open( "POST", this.serverScript , true );
reqHttp.setRequestHeader( "Content-type", contentType );
if ( strOptions.length ) {
reqHttp.send( "jsonstring=" + this.data + "&" + strOptions );
} else {
reqHttp.send( "jsonstring=" + this.data );
}
}
else
{
alert( "O Browser Utilizado, Nao Esta Permitindo Trabalhar Com XMLHttpRequest" );
}
};
/**
* this method build an array with TKAjaxData with form element values
*/
this.makePostFields = function( formId ) {
var i = 0;
var k = 0;
var form = document.getElementById( formId );
var arr_dados = new Array();
var alreadyLoaded = new Array();
// pass through all form elements
for(i = 0; i < form.elements.length; i++) {
// the element must have a name and must be enabled
if (form.elements[i].name.length > 0 &&
!form.elements[i].disabled) {
// radio button treatment
var el = form.elements[i];
if (el.type == 'radio' && el.name.length > 0) {
var radio = document.getElementsByName(el.name);
for (k = 0; k < radio.length; k++) {
if (radio[k].checked && !in_array(el.name, alreadyLoaded)) {
dados = new TKAjaxData(el.name, radio[k].value );
arr_dados.push(dados);
alreadyLoaded.push(el.name);
}
}
}
// other elements
if (form.elements[i].type == 'hidden' ||
form.elements[i].type == 'text' ||
form.elements[i].type == 'select-one' ||
form.elements[i].type == 'textarea' ) {
dados = new TKAjaxData(form.elements[i].name, form.elements[i].value );
arr_dados.push(dados);
}
}
}
return arr_dados;
};
/**
* function to proccess the data received by XMLHttpRequest, and request the data from server
*/
this.processReqChange = function()
{
var strjson = "";
// apenas quando o estado for "completado"
if ( reqHttp.readyState == 4 )
{
// apenas se o servidor retornar "OK"
if ( reqHttp.status == 200 )
{
// retornado nela, como texto HTML
strjson = reqHttp.responseText;
alert( strjson );
if (processingIcon != null)
processingIcon.style.display = "none";
if (starter != null)
starter.disabled = false;
}
else
{
alert( "A Consulta Nao Retornou Nada" );
if (processingIcon != null)
processingIcon.style.display = "none";
if (starter != null)
starter.disabled = false;
}
}
};
};
AjaxResultManager = function()
{
this.treatResults = function() {
var reqHttp = _ajaxobject.getReq();
if ( reqHttp.readyState == 4 )
{
if ( reqHttp.status == 200 )
{
strjson = reqHttp.responseText;
// put the result into the global variable
_ajaxresultjsontext = JSON.parse( strjson );
_ajaxcallbackresult();
}
else
{
alert( "There is no results." );
}
}
};
this.getCallback = function() {
return this.treatResults;
}
};
AjaxFilter = function()
{
this.NUMERIC = 0;
this.ALPHA = 1;
this.DATE = 2;
this.CONTAINS = 3;
this.STARTS_WITH = 4;
this.ENDS_WITH = 5;
this.filters = new Array();
this.results = new Array();
this.sql = "";
this.rownum = 1;
this.setRownum = function( rownum ) {
this.rownum = rownum;
};
this.addFilter = function( id, value, type ) {
var item = "";
item = item + id + ';@;' + value + ';@;' + type;
this.filters.push( item );
};
this.addResult = function( id ) {
this.results.push( id );
};
this.setSql = function( sql ) {
this.sql = sql;
};
this.getResults = function() {
return this.results;
};
};
|
Download
