PHP SS_HTTPRequest::latestparam方法代码示例

 /**
  * Get the whole tree of a part of the tree via an AJAX request with empty / none item prepended.
  *
  * @param SS_HTTPRequest $request
  * @return string
  * for version 2.4 and later
  */
 public function tree(SS_HTTPRequest $request)
 {
     if ($ID = (int) $request->latestparam('ID')) {
         return parent::tree($request);
     } else {
         return $this->preTree() . parent::tree($request) . OptionalTreeDropdownField::$postTree;
     }
 }

 /**
  * Get the whole tree of a part of the tree via an AJAX request.
  *
  * @param SS_HTTPRequest $request
  * @return string
  */
 public function tree(SS_HTTPRequest $request)
 {
     // Array sourceObject is an explicit list of values - construct a "flat tree"
     if (is_array($this->sourceObject)) {
         $output = "<ul class=\"tree\">\n";
         foreach ($this->sourceObject as $k => $v) {
             $output .= '<li id="selector-' . $this->name . '-' . $k . '"><a>' . $v . '</a>';
         }
         $output .= "</ul>";
         return $output;
     }
     // Regular source specification
     $isSubTree = false;
     $this->search = $request->requestVar('search');
     $ID = is_numeric($request->latestparam('ID')) ? (int) $request->latestparam('ID') : (int) $request->requestVar('ID');
     if ($ID && !$request->requestVar('forceFullTree')) {
         $obj = DataObject::get_by_id($this->sourceObject, $ID);
         $isSubTree = true;
         if (!$obj) {
             throw new Exception("TreeDropdownField->tree(): the object #{$ID} of type {$this->sourceObject} could not be found");
         }
     } else {
         if ($this->baseID) {
             $obj = DataObject::get_by_id($this->sourceObject, $this->baseID);
         }
         if (!$this->baseID || !$obj) {
             $obj = singleton($this->sourceObject);
         }
     }
     // pre-process the tree - search needs to operate globally, not locally as marking filter does
     if ($this->search != "") {
         $this->populateIDs();
     }
     if ($this->filterCallback || $this->search != "") {
         $obj->setMarkingFilterFunction(array($this, "filterMarking"));
     }
     $obj->markPartialTree($nodeCountThreshold = 30, $context = null, $this->childrenMethod, $this->numChildrenMethod);
     // allow to pass values to be selected within the ajax request
     if (isset($_REQUEST['forceValue']) || $this->value) {
         $forceValue = isset($_REQUEST['forceValue']) ? $_REQUEST['forceValue'] : $this->value;
         if (($values = preg_split('/,\\s*/', $forceValue)) && count($values)) {
             foreach ($values as $value) {
                 if (!$value || $value == 'unchanged') {
                     continue;
                 }
                 $obj->markToExpose($this->objectForKey($value));
             }
         }
     }
     $self = $this;
     $titleFn = function (&$child) use(&$self) {
         $keyField = $self->keyField;
         $labelField = $self->labelField;
         return sprintf('<li id="selector-%s-%s" data-id="%s" class="class-%s %s %s"><a rel="%d">%s</a>', Convert::raw2xml($self->getName()), Convert::raw2xml($child->{$keyField}), Convert::raw2xml($child->{$keyField}), Convert::raw2xml($child->class), Convert::raw2xml($child->markingClasses($self->numChildrenMethod)), $self->nodeIsDisabled($child) ? 'disabled' : '', (int) $child->ID, $child->obj($labelField)->forTemplate());
     };
     // Limit the amount of nodes shown for performance reasons.
     // Skip the check if we're filtering the tree, since its not clear how many children will
     // match the filter criteria until they're queried (and matched up with previously marked nodes).
     $nodeThresholdLeaf = Config::inst()->get('Hierarchy', 'node_threshold_leaf');
     if ($nodeThresholdLeaf && !$this->filterCallback && !$this->search) {
         $className = $this->sourceObject;
         $nodeCountCallback = function ($parent, $numChildren) use($className, $nodeThresholdLeaf) {
             if ($className == 'SiteTree' && $parent->ID && $numChildren > $nodeThresholdLeaf) {
                 return sprintf('<ul><li><span class="item">%s</span></li></ul>', _t('LeftAndMain.TooManyPages', 'Too many pages'));
             }
         };
     } else {
         $nodeCountCallback = null;
     }
     if ($isSubTree) {
         $html = $obj->getChildrenAsUL("", $titleFn, null, true, $this->childrenMethod, $this->numChildrenMethod, true, null, $nodeCountCallback);
         return substr(trim($html), 4, -5);
     } else {
         $html = $obj->getChildrenAsUL('class="tree"', $titleFn, null, true, $this->childrenMethod, $this->numChildrenMethod, true, null, $nodeCountCallback);
         return $html;
     }
 }