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<?php |
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/* |
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* This file is part of the Patternseek ComponentView library. |
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* |
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* (c)2014 Tolan Blundell <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace PatternSeek\ComponentView; |
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class ExecHelper |
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{ |
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/** |
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* @var AbstractViewComponent |
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*/ |
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protected $component; |
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public function setComponent( AbstractViewComponent $component ) |
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{ |
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$this->component = $component; |
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} |
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/** |
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* Generate and return an appropriate URL or URI to call the exec handler identified by $execPath with $args |
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* @param string $execMethod Component hierarchy path to an exec handler function on a component |
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* @param array $args Arguments to be passed to the called handler |
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* @param bool $onlyComponentOutput |
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* @return string A URL or URI |
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*/ |
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public function url( $execMethod, $args = [ ], $onlyComponentOutput = false ) // $onlyComponentOutput Not used in this implementation but necessary for subclasses |
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{ |
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// $onlyComponentOutput is not used in this implementation but may be by sub-classes |
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$args[ 'exec' ] = $this->component->getExecPath( $execMethod ); |
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$qs = http_build_query( $args ); |
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return "?{$qs}"; |
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} |
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/** |
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* Generate and return a form, wrapping $formBody to call the exec handler identified by $execPath using the $method HTTP method |
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* @param string $execMethod Component hierarchy path to an exec handler function on a component |
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* @param string $method |
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* @param string $formBody The body of an HTML form to be wrapped |
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* @param bool $onlyComponentOutput |
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* @param null $formID |
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* @param null $onSubmit |
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* @param string $encType |
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* @return string HTML form |
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*/ |
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public function wrapForm( |
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$execMethod, |
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$method, |
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$formBody, |
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$onlyComponentOutput = false, // Not used in this implementation but necessary for subclasses |
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$formID = null, |
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$onSubmit = null, |
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$encType = 'application/x-www-form-urlencoded' |
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) |
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{ |
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// $onlyComponentOutput is not used in this implementation but may be by sub-classes |
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if (null !== $formID) { |
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$formID = " id='{$formID}'"; |
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} |
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if (null !== $onSubmit) { |
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$onSubmit = " onsubmit='{$onSubmit}'"; |
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} |
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return <<<EOS |
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<form method="{$method}" action=""{$formID}{$onSubmit} enctype="{$encType}"> |
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<input type="hidden" name="exec" value="{$this->component->getExecPath( $execMethod )}"> |
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{$formBody} |
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</form> |
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EOS; |
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} |
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/** |
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* Helper for calling static methods |
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* @param $class |
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* @param $function |
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* @param array $args |
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* @return mixed|null |
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*/ |
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function callStatic($class, $function, $args = array()) |
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{ |
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if (class_exists($class) && method_exists($class, $function)) { |
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return call_user_func_array( array( $class, $function ), $args ); |
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} |
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return null; |
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} |
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/** |
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* Generate a link which replaces the content of a DOM element with the output of an exec method |
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* @param $execMethod |
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* @param array $args |
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* @param $targetDiv |
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* @param $linkText |
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* @param array $anchorAttrs |
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* @return string |
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*/ |
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public function replaceElementUsingLink( $execMethod, $args = [ ], $targetDiv, $linkText, $anchorAttrs = [ ] ) |
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{ |
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$url = $this->url( $execMethod, $args, true ); |
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$attrs = [ ]; |
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foreach ($anchorAttrs as $k => $v) { |
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$attrs[ ] = "{$k}='{$v}'"; |
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} |
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$attrsStr = implode( ' ', $attrs ); |
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return <<<EOS |
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<script type="application/javascript"> |
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if( typeof(execLink) != "function" ){ |
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var execLink = function( url, targetDiv ){ |
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// Send the data using post |
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var posting = $.get( url, $( form ).serialize() ); |
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// Put the results in a div |
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posting.done(function( data ) { |
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$( "#"+targetDiv ).replaceWith( data ); |
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$("body").css("cursor", "default"); |
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}); |
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// Show optional progress |
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$("body").css("cursor", "progress"); |
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} |
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} |
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</script> |
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<a href="#" onclick="execLink( '{$url}', '{$targetDiv}' ); return false;" {$attrsStr}>{$linkText}</a> |
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EOS; |
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} |
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/** |
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* Generate a form which replaces the content of a DOM element with the output of an exec method |
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* @param $execMethod |
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* @param $method |
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* @param string $formBody The body of an HTML form to be wrapped |
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* @param $targetDiv |
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* @param $formID |
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* @param string $encType |
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* @return string |
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*/ |
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public function replaceElementUsingForm( $execMethod, $method, $formBody, $targetDiv, $formID, $encType = 'application/x-www-form-urlencoded' ) |
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{ |
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return <<<EOS |
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{$this->wrapForm( $execMethod, $method, $formBody, true, $formID, |
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"execForm( this, \"{$targetDiv}\" ); return false;", $encType )} |
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<script type="application/javascript"> |
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if( typeof(execForm) != "function" ){ |
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var execForm = function( form, targetDiv ){ |
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// Send the data using post |
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var posting = $.post( [location.protocol, '//', location.host, location.pathname].join(''), $( form ).serialize() ); |
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// Put the results in a div |
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posting.done(function( data ) { |
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$( "#"+targetDiv ).replaceWith( data ); |
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$("body").css("cursor", "default"); |
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}); |
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// Show optional progress |
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$("body").css("cursor", "progress"); |
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} |
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} |
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</script> |
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EOS; |
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} |
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} |
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patternseek /
componentview
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.