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<?php |
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/** |
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* Js.php - Provides javascript related commands for the Response |
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* |
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* @author Thierry Feuzeu <[email protected]> |
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* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License |
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* @link https://github.com/jaxon-php/jaxon-core |
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*/ |
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namespace Jaxon\Response\Features; |
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use Jaxon\Response\Response; |
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trait JsCommands |
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{ |
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/** |
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* Add a response command to the array of commands that will be sent to the browser |
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* |
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* @param array $aAttributes Associative array of attributes that will describe the command |
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* @param mixed $mData The data to be associated with this command |
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* |
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* @return Response |
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*/ |
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abstract public function addCommand(array $aAttributes, $mData); |
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/** |
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* Add a response command to the array of commands that will be sent to the browser |
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* |
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* @param string $sName The command name |
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* @param array $aAttributes Associative array of attributes that will describe the command |
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* @param mixed $mData The data to be associated with this command |
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* @param boolean $bRemoveEmpty If true, remove empty attributes |
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* |
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* @return Response |
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*/ |
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abstract protected function _addCommand($sName, array $aAttributes, $mData, $bRemoveEmpty = false); |
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/** |
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* Merge the response commands from the specified <Response> object with |
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* the response commands in this <Response> object |
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* |
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* @param Response|array $mCommands The <Response> object |
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* @param boolean $bBefore Add the new commands to the beginning of the list |
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* |
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* @return void |
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*/ |
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abstract public function appendResponse($mCommands, $bBefore = false); |
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/** |
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* Response command that prompts user with [ok] [cancel] style message box |
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* |
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* If the user clicks cancel, the specified number of response commands |
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* following this one, will be skipped. |
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* |
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* @param integer $iCommandCount The number of commands to skip upon cancel |
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* @param string $sMessage The message to display to the user |
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* |
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* @return Response |
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*/ |
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public function confirmCommands($iCommandCount, $sMessage) |
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{ |
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$aAttributes = ['count' => $iCommandCount]; |
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return $this->_addCommand('cc', $aAttributes, $sMessage); |
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} |
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/** |
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* Response command that prompts user with [ok] [cancel] style message box |
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* |
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* If the user clicks cancel, the specified number of response commands |
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* following this one, will be skipped. |
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* |
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* @param string $sMessage The message to display to the user |
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* @param callable $xCallable The function |
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* |
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* @return Response |
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*/ |
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public function confirm($sMessage, $xCallable) |
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{ |
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$xResponse = jaxon()->newResponse(); |
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\call_user_func($xCallable, $xResponse); |
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$iCommandCount = $xResponse->getCommandCount(); |
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if($iCommandCount > 0) |
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{ |
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$this->confirmCommands($iCommandCount, $sMessage); |
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$this->appendResponse($xResponse); |
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} |
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return $this; |
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} |
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/** |
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* Add a command to display an alert message to the user |
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* |
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* @param string $sMessage The message to be displayed |
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* |
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* @return Response |
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*/ |
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public function alert($sMessage) |
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{ |
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return $this->_addCommand('al', [], $sMessage); |
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} |
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/** |
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* Add a command to display a debug message to the user |
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* |
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* @param string $sMessage The message to be displayed |
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* |
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* @return Response |
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*/ |
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public function debug($sMessage) |
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{ |
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return $this->_addCommand('dbg', [], $sMessage); |
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} |
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/** |
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* Add a command to ask the browser to navigate to the specified URL |
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* |
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* @param string $sURL The relative or fully qualified URL |
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* @param integer $iDelay Number of seconds to delay before the redirect occurs |
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* |
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* @return Response |
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*/ |
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public function redirect($sURL, $iDelay = 0) |
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{ |
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// we need to parse the query part so that the values are rawurlencode()'ed |
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// can't just use parse_url() cos we could be dealing with a relative URL which |
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// parse_url() can't deal with. |
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$queryStart = strpos($sURL, '?', strrpos($sURL, '/')); |
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if($queryStart !== false) |
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{ |
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$queryStart++; |
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$queryEnd = strpos($sURL, '#', $queryStart); |
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if($queryEnd === false) |
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{ |
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$queryEnd = strlen($sURL); |
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} |
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$queryPart = substr($sURL, $queryStart, $queryEnd - $queryStart); |
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parse_str($queryPart, $queryParts); |
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$newQueryPart = ""; |
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if($queryParts) |
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{ |
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$first = true; |
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foreach($queryParts as $key => $value) |
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{ |
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if($first) |
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{ |
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$first = false; |
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} |
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else |
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{ |
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$newQueryPart .= '&'; |
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} |
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$newQueryPart .= rawurlencode($key) . '=' . rawurlencode($value); |
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} |
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} |
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elseif($_SERVER['QUERY_STRING']) |
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{ |
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//couldn't break up the query, but there's one there |
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//possibly "http://url/page.html?query1234" type of query? |
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//just encode it and hope it works |
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$newQueryPart = rawurlencode($_SERVER['QUERY_STRING']); |
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} |
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$sURL = str_replace($queryPart, $newQueryPart, $sURL); |
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} |
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if($iDelay > 0) |
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{ |
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return $this->script('window.setTimeout("window.location = \'' . $sURL . '\';",' . ($iDelay * 1000) . ');'); |
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} |
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return $this->script('window.location = "' . $sURL . '";'); |
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} |
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/** |
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* Add a command to execute a portion of javascript on the browser |
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* |
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* The script runs in it's own context, so variables declared locally, using the 'var' keyword, |
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* will no longer be available after the call. |
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* To construct a variable that will be accessable globally, even after the script has executed, |
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* leave off the 'var' keyword. |
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* |
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* @param string $sJS The script to execute |
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* |
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* @return Response |
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*/ |
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public function script($sJS) |
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{ |
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return $this->_addCommand('js', [], $sJS); |
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} |
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/** |
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* Add a command to call the specified javascript function with the given (optional) parameters |
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* |
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* @param string $sFunc The name of the function to call |
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* |
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* @return Response |
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*/ |
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public function call($sFunc) |
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{ |
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$aArgs = func_get_args(); |
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array_shift($aArgs); |
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$aAttributes = ['cmd' => 'jc', 'func' => $sFunc]; |
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return $this->addCommand($aAttributes, $aArgs); |
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} |
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/** |
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* Add a command to set an event handler on the browser |
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* |
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* @param string $sTarget The id of the element that contains the event |
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* @param string $sEvent The name of the event |
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* @param string $sScript The javascript to execute when the event is fired |
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* |
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* @return Response |
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*/ |
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public function setEvent($sTarget, $sEvent, $sScript) |
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{ |
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$aAttributes = [ |
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'id' => $sTarget, |
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'prop' => $sEvent |
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]; |
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return $this->_addCommand('ev', $aAttributes, $sScript); |
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} |
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/** |
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* Add a command to set a click handler on the browser |
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* |
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* @param string $sTarget The id of the element that contains the event |
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* @param string $sScript The javascript to execute when the event is fired |
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* |
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* @return Response |
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*/ |
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public function onClick($sTarget, $sScript) |
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{ |
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return $this->setEvent($sTarget, 'onclick', $sScript); |
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} |
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/** |
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* Add a command to install an event handler on the specified element |
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* |
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* You can add more than one event handler to an element's event using this method. |
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* |
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* @param string $sTarget The id of the element |
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* @param string $sEvent The name of the event |
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* @param string $sHandler The name of the javascript function to call when the event is fired |
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* |
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* @return Response |
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*/ |
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public function addHandler($sTarget, $sEvent, $sHandler) |
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{ |
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$aAttributes = [ |
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'id' => $sTarget, |
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'prop' => $sEvent |
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]; |
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return $this->_addCommand('ah', $aAttributes, $sHandler); |
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} |
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/** |
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* Add a command to remove an event handler from an element |
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* |
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* @param string $sTarget The id of the element |
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* @param string $sEvent The name of the event |
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* @param string $sHandler The name of the javascript function called when the event is fired |
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* |
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* @return Response |
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*/ |
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public function removeHandler($sTarget, $sEvent, $sHandler) |
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{ |
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$aAttributes = [ |
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'id' => $sTarget, |
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'prop' => $sEvent |
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]; |
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return $this->_addCommand('rh', $aAttributes, $sHandler); |
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} |
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/** |
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* Add a command to construct a javascript function on the browser |
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* |
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* @param string $sFunction The name of the function to construct |
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* @param string $sArgs Comma separated list of parameter names |
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* @param string $sScript The javascript code that will become the body of the function |
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* |
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* @return Response |
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*/ |
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public function setFunction($sFunction, $sArgs, $sScript) |
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{ |
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$aAttributes = [ |
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'func' => $sFunction, |
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'prop' => $sArgs |
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]; |
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return $this->_addCommand('sf', $aAttributes, $sScript); |
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} |
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/** |
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* Add a command to construct a wrapper function around an existing javascript function on the browser |
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* |
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* @param string $sFunction The name of the existing function to wrap |
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* @param string $sArgs The comma separated list of parameters for the function |
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* @param array $aScripts An array of javascript code snippets that will be used to build |
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* the body of the function |
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* The first piece of code specified in the array will occur before |
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* the call to the original function, the second will occur after |
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* the original function is called. |
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* @param string $sReturnValueVar The name of the variable that will retain the return value |
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* from the call to the original function |
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* |
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* @return Response |
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*/ |
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public function wrapFunction($sFunction, $sArgs, $aScripts, $sReturnValueVar) |
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{ |
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$aAttributes = [ |
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'cmd' => 'wpf', |
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'func' => $sFunction, |
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'prop' => $sArgs, |
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'type' => $sReturnValueVar |
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]; |
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return $this->addCommand($aAttributes, $aScripts); |
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} |
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/** |
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* Add a command to load a javascript file on the browser |
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* |
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* @param boolean $bIncludeOnce Include once or not |
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* @param string $sFileName The relative or fully qualified URI of the javascript file |
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* @param string $sType Determines the script type. Defaults to 'text/javascript' |
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* @param string $sId The wrapper id |
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* |
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* @return Response |
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*/ |
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private function _includeScript($bIncludeOnce, $sFileName, $sType, $sId) |
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{ |
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$aAttributes = [ |
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'type' => $sType, |
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'elm_id' => $sId |
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]; |
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return $this->_addCommand(($bIncludeOnce ? 'ino' : 'in'), $aAttributes, $sFileName, true); |
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} |
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336
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|
337
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|
|
/** |
338
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|
|
* Add a command to load a javascript file on the browser |
339
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|
|
* |
340
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|
|
* @param string $sFileName The relative or fully qualified URI of the javascript file |
|
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341
|
|
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* @param string $sType Determines the script type. Defaults to 'text/javascript' |
|
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342
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* @param string $sId The wrapper id |
|
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343
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* |
344
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* @return Response |
345
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|
*/ |
346
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|
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public function includeScript($sFileName, $sType = '', $sId = '') |
347
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|
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{ |
348
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|
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return $this->_includeScript(false, $sFileName, $sType, $sId); |
349
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|
|
} |
|
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350
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|
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351
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|
|
/** |
352
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|
|
* Add a command to include a javascript file on the browser if it has not already been loaded |
353
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* |
354
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|
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* @param string $sFileName The relative or fully qualified URI of the javascript file |
|
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355
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|
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* @param string $sType Determines the script type. Defaults to 'text/javascript' |
|
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|
356
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|
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* @param string $sId The wrapper id |
|
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|
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357
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|
|
* |
358
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|
|
* @return Response |
359
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|
|
*/ |
360
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|
|
public function includeScriptOnce($sFileName, $sType = '', $sId = '') |
361
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|
|
{ |
362
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|
|
return $this->_includeScript(true, $sFileName, $sType, $sId); |
363
|
|
|
} |
|
|
|
|
364
|
|
|
|
365
|
|
|
/** |
366
|
|
|
* Add a command to remove a SCRIPT reference to a javascript file on the browser |
367
|
|
|
* |
368
|
|
|
* Optionally, you can call a javascript function just prior to the file being unloaded (for cleanup). |
369
|
|
|
* |
370
|
|
|
* @param string $sFileName The relative or fully qualified URI of the javascript file |
|
|
|
|
371
|
|
|
* @param string $sUnload Name of a javascript function to call prior to unlaoding the file |
|
|
|
|
372
|
|
|
* |
373
|
|
|
* @return Response |
374
|
|
|
*/ |
375
|
|
|
public function removeScript($sFileName, $sUnload = '') |
376
|
|
|
{ |
377
|
|
|
$aAttributes = ['unld' => $sUnload]; |
378
|
|
|
return $this->_addCommand('rjs', $aAttributes, $sFileName, true); |
379
|
|
|
} |
|
|
|
|
380
|
|
|
|
381
|
|
|
/** |
382
|
|
|
* Add a command to include a LINK reference to the specified CSS file on the browser. |
383
|
|
|
* |
384
|
|
|
* This will cause the browser to load and apply the style sheet. |
385
|
|
|
* |
386
|
|
|
* @param string $sFileName The relative or fully qualified URI of the css file |
|
|
|
|
387
|
|
|
* @param string $sMedia The media type of the CSS file. Defaults to 'screen' |
|
|
|
|
388
|
|
|
* |
389
|
|
|
* @return Response |
390
|
|
|
*/ |
391
|
|
|
public function includeCSS($sFileName, $sMedia = '') |
|
|
|
|
392
|
|
|
{ |
393
|
|
|
$aAttributes = ['media' => $sMedia]; |
394
|
|
|
return $this->_addCommand('css', $aAttributes, $sFileName, true); |
395
|
|
|
} |
|
|
|
|
396
|
|
|
|
397
|
|
|
/** |
|
|
|
|
398
|
|
|
* Add a command to remove a LINK reference to a CSS file on the browser |
399
|
|
|
* |
400
|
|
|
* This causes the browser to unload the style sheet, effectively removing the style changes it caused. |
401
|
|
|
* |
402
|
|
|
* @param string $sFileName The relative or fully qualified URI of the css file |
|
|
|
|
403
|
|
|
* |
404
|
|
|
* @return Response |
405
|
|
|
*/ |
406
|
|
|
public function removeCSS($sFileName, $sMedia = '') |
|
|
|
|
407
|
|
|
{ |
408
|
|
|
$aAttributes = ['media' => $sMedia]; |
409
|
|
|
return $this->_addCommand('rcss', $aAttributes, $sFileName, true); |
410
|
|
|
} |
|
|
|
|
411
|
|
|
|
412
|
|
|
/** |
413
|
|
|
* Add a command to make Jaxon pause while the CSS files are loaded |
414
|
|
|
* |
415
|
|
|
* The browser is not typically a multi-threading application, with regards to javascript code. |
416
|
|
|
* Therefore, the CSS files included or removed with <Response->includeCSS> and |
417
|
|
|
* <Response->removeCSS> respectively, will not be loaded or removed until the browser regains |
418
|
|
|
* control from the script. |
419
|
|
|
* This command returns control back to the browser and pauses the execution of the response |
420
|
|
|
* until the CSS files, included previously, are loaded. |
421
|
|
|
* |
422
|
|
|
* @param integer $iTimeout The number of 1/10ths of a second to pause before timing out |
|
|
|
|
423
|
|
|
* and continuing with the execution of the response commands |
|
|
|
|
424
|
|
|
* |
425
|
|
|
* @return Response |
426
|
|
|
*/ |
427
|
|
|
public function waitForCSS($iTimeout = 600) |
|
|
|
|
428
|
|
|
{ |
429
|
|
|
$aAttributes = ['cmd' => 'wcss', 'prop' => $iTimeout]; |
430
|
|
|
return $this->addCommand($aAttributes, ''); |
431
|
|
|
} |
|
|
|
|
432
|
|
|
|
433
|
|
|
/** |
434
|
|
|
* Add a command to make Jaxon to delay execution of the response commands until a specified condition is met |
435
|
|
|
* |
436
|
|
|
* Note, this returns control to the browser, so that other script operations can execute. |
437
|
|
|
* Jaxon will continue to monitor the specified condition and, when it evaluates to true, |
438
|
|
|
* will continue processing response commands. |
439
|
|
|
* |
440
|
|
|
* @param string $script A piece of javascript code that evaulates to true or false |
|
|
|
|
441
|
|
|
* @param integer $tenths The number of 1/10ths of a second to wait before timing out |
|
|
|
|
442
|
|
|
* and continuing with the execution of the response commands. |
|
|
|
|
443
|
|
|
* |
444
|
|
|
* @return Response |
445
|
|
|
*/ |
446
|
|
|
public function waitFor($script, $tenths) |
447
|
|
|
{ |
448
|
|
|
$aAttributes = ['cmd' => 'wf', 'prop' => $tenths]; |
449
|
|
|
return $this->addCommand($aAttributes, $script); |
450
|
|
|
} |
|
|
|
|
451
|
|
|
|
452
|
|
|
/** |
453
|
|
|
* Add a command to make Jaxon to pause execution of the response commands, |
454
|
|
|
* returning control to the browser so it can perform other commands asynchronously. |
455
|
|
|
* |
456
|
|
|
* After the specified delay, Jaxon will continue execution of the response commands. |
457
|
|
|
* |
458
|
|
|
* @param integer $tenths The number of 1/10ths of a second to sleep |
|
|
|
|
459
|
|
|
* |
460
|
|
|
* @return Response |
461
|
|
|
*/ |
462
|
|
|
public function sleep($tenths) |
463
|
|
|
{ |
464
|
|
|
$aAttributes = ['cmd' =>'s', 'prop' => $tenths]; |
|
|
|
|
465
|
|
|
return $this->addCommand($aAttributes, ''); |
466
|
|
|
} |
|
|
|
|
467
|
|
|
} |
468
|
|
|
|