used to return Html results. */ function setPlaceHolder($placeHolder) { $this->placeholder=$placeHolder; } /** * setMethod * * Sets whether the method should be Get or Post. * @param string $method Get or Post. * @access protected */ function setMethod($method) { $this->method=$method; } /** * setCache * * Sets whether should use cache or not. * @param bool $cache boolean value * @access protected */ function setCache($cache) { $this->cache=$cache; } /** * parseCache * * Parses the current cache. * @access private */ function parseCache() { if($this->cache==false) { header ("Cache-Control: no-cache, must-revalidate"); } // header ("Content-Type: text/html; charset=UTF-8"); } /** * getJSCode * * returns string header JavaScript code for main placeHolder. * @access public */ function getJSCode() { $code=array(); $code[]=""; $appended=""; foreach($code as $ech ) $appended.=$ech; return $appended; } /** * bind * * Does the bind between an Html object and PHP function, request will be made when appropiate JavaScript event is triggered. * @access public * @param string $id Html ID object * @param string $event JavaScript event that will cause AJAX request ( onfocus onblur onmouseover onmouseout onmousedown onmouseup onsubmit onclick onload onchange onkeypress onkeydown onkeyup ) * @param string $bindto PHP function that handles the AJAX request * @param string $params ID of the Html elements that needs to be send within the request, static values (not html elements ) should be sent as _XXX=YYY , whether XXX represents variable name, and YYY value. * @return string JavaScript code to handle the binding. */ function bind($id,$event,$bindto,$params="") { if(strlen($params)>0) $params.=",_AjaxCore=".$this->version; else $params.="_AjaxCore=".$this->version; if(!empty($id) && !empty($event) && !empty($bindto)) // check for empty { $code=array(); $arrayparams=explode(",",$params); $code[]=""; $appended=""; foreach($code as $ech ) $appended.=$ech; return $appended; } } /** * onLoad * * Does a request to a PHP function, request will be made when onLoad JavaScript event occurs. * @access public * @param string $bindto PHP function that handles the AJAX request * @param string $params ID of the Html elements that needs to be send within the request, static values (not html elements ) should be sent as _XXX=YYY , whether XXX represents variable name, and YYY value. * @return string JavaScript code to handle the binding. */ function onLoad($bindto,$params="") { if(strlen($params)>0) $params.=",_AjaxCore=".$this->version; else $params.="_AjaxCore=".$this->version; if(!empty($bindto)) // check for empty { $code=array(); $arrayparams=explode(",",$params); $code[]=""; $appended=""; foreach($code as $ech ) $appended.=$ech; return $appended; } } /** * bindTimer * * Does the bind between an Html object and PHP function, request will be made when onLoad JavaScript event occurs and timer expires. * @access public * @param string $id Html ID object * @param string $event JavaScript event that will cause AJAX request ( onfocus onblur onmouseover onmouseout onmousedown onmouseup onsubmit onclick onload onchange onkeypress onkeydown onkeyup ) * @param string $bindto PHP function that handles the AJAX request * @param string $params ID of the Html elements that needs to be send within the request, static values (not html elements ) should be sent as _XXX=YYY , whether XXX represents variable name, and YYY value. * @param string $timername name of the timer * @param int $timerms expiration time in milliseconds * @return string JavaScript code to handle the binding. */ function bindTimer($id,$event,$bindto,$timername,$timerms,$params="") { if(strlen($params)>0) $params.=",_AjaxCore=".$this->version; else $params.="_AjaxCore=".$this->version; if(!empty($id) && !empty($event) && !empty($bindto) && !empty($timername)&& !empty($timerms)) // para no agregar eventos que den error { $code=array(); $arrayparams=explode(",",$params); $code[]=""; $appended=""; foreach($code as $ech ) $appended.=$ech; return $appended; } } /** * bindPeriodicalTimer * * Does the bind between an Html object and PHP function, request will be made when onLoad JavaScript event occurs and will keep repeating when timer expires. * @access public * @param string $id Html ID object * @param string $event JavaScript event that will cause AJAX request ( onfocus onblur onmouseover onmouseout onmousedown onmouseup onsubmit onclick onload onchange onkeypress onkeydown onkeyup ) * @param string $bindto PHP function that handles the AJAX request * @param string $params ID of the Html elements that needs to be send within the request, static values (not html elements ) should be sent as _XXX=YYY , whether XXX represents variable name, and YYY value. * @param string $timername name of the timer * @param int $timerms expiration time in milliseconds * @return string JavaScript code to handle the binding. */ function bindPeriodicalTimer($id,$event,$bindto,$timername,$timerms,$params="") { if(strlen($params)>0) $params.=",_AjaxCore=".$this->version; else $params.="_AjaxCore=".$this->version; $code=array(); $arrayparams=explode(",",$params); $code[]=""; $appended=""; foreach($code as $ech ) $appended.=$ech; return $appended; } /** * lookForAction * * Determines what PHP function should be called upon each AJAX request * @access private */ function lookForAction() { $this->getRequest(); if(!empty($this->request['bind']) && method_exists($this,$this->request['bind'])) { $method=$this->request['bind']; $this->initialize(); $this->$method(); } } /** * intialize * * Method that is called just before any PHP function, useful to initialize databases and so on. * @access protected */ function initialize() {} // abstract /** * getRequest * * Returns Get or Post array. * @access protected * @return array request */ function getRequest() { if($this->method=="get") $this->request=&$_GET; else $this->request=&$_POST; } /** * phpArrayToJS * * converts an array from php to JavaScript. * @access public * @param array $array php array * @return string JavaScript array */ function phpArrayToJS($array) { $items = array(); foreach ($array as $key => $value) { if (is_array($value)) $items[]=$this->phpArrayToJS($value); else if (is_int($value)) $items[]=$value; else $items[]="'".$this->escapeJS($value)."'"; } return '[' . implode(',', $items) . ']'; } /** * escapeJS (borrowed from Smarty) * * Escape the string to JavaScript * @access protected * @param string $string String unscaped * @return string escaped string * @link http://smarty.php.net/manual/en/language.modifier.escape.php escape (Smarty online manual) * @author Monte Ohrt */ function escapeJS($string) { // escape quotes and backslashes, newlines, etc. return strtr($string, array('\\'=>'\\\\',"'"=>"\\'",'"'=>'\\"',"\r"=>'\\r',"\n"=>'\\n',''<\/')); } /** * alert * * return JavaScript Alert Message * @access private * @param string $message message to alert */ function alert($message,$die=true) { $message=$this->escapeJS($message); $alert="alert('$message');"; if($die) die($alert); else return $alert; } /** * arrayToString * * returns a sentence form an array * @access protected * @param array $array of sentences * @return string string with sentences */ function arrayToString($array) { $app=""; foreach ($array as $arr) $app.=$arr; return $app; } /** * htmlDisable * * disables an html element * @access protected * @param string $element is the ID of the element * @return string sentence to disable element */ function htmlDisable($element) { return "\$('".$element."').disabled=true;"; } /** * htmlEnable * * enables an html element * @access protected * @param string $element is the ID of the element * @return string sentence to disable element */ function htmlEnable($element) { return "\$('".$element."').disabled=false;"; } /** * htmlInner * * enables an html element * @access protected * @param string $element is the ID of the element * @param string $value is the text to put in * @return string sentence to disable element */ function htmlInner($element,$value) { return "\$('".$element."').innerHTML = '".$this->escapeJS($value)."';"; } } ?>