1 <?php
  2 
  3 class HasManyDataObjectManager extends DataObjectManager {
  4     public $joinField;
  5     public $addTitle;
  6     public $RelationType = "HasMany";
  7     protected $htmlListEndName = 'CheckedList';
  8     protected $htmlListField = 'selected';
  9     public $template = 'RelationDataObjectManager';
 10     public $itemClass = 'HasManyDataObjectManager_Item';
 11     protected $relationAutoSetting = false;
 12     protected $markingPermission;
 13     /**
 14      * Most of the code below was copied from HasManyComplexTableField.
 15      * Painful, but necessary, until PHP supports multiple inheritance.
 16      */
 17 
 18     function __construct($controller, $name, $sourceClass, $fieldList = null, $detailFormFields = null, $sourceFilter = "", $sourceSort = "Created DESC", $sourceJoin = "") {
 19         parent::__construct($controller, $name, $sourceClass, $fieldList, $detailFormFields, $sourceFilter, $sourceSort, $sourceJoin);
 20 
 21         $this->Markable = true;
 22 
 23         if($controllerClass = $this->controllerClass()) {
 24             $this->joinField = $this->getParentIdName($controllerClass, $this->sourceClass);
 25         } else {
 26             user_error("Can't figure out the data class of $controller", E_USER_WARNING);
 27         }
 28 
 29     }
 30 
 31 
 32     /**
 33      * Try to determine the DataObject that this field is built on top of
 34      */
 35     function controllerClass() {
 36         if($this->controller instanceof DataObject) return $this->controller->class;
 37         elseif($this->controller instanceof ContentController) return $this->controller->data()->class;
 38     }
 39 
 40     public function setMarkingPermission($perm) {
 41         $this->markingPermission = $perm;
 42     }
 43 
 44     public function hasMarkingPermission() {
 45         if(is_bool($this->markingPermission))
 46             return $this->markingPermission;
 47         elseif($this->markingPermission)
 48             return Permission::check($this->markingPermission);
 49         return true;
 50     }
 51 
 52     public function setParentClass($class) {
 53         parent::setParentClass($class);
 54         $this->joinField = $this->getParentIdName($class, $this->sourceClass);
 55     }
 56 
 57     function getQuery($limitClause = null) {
 58         if($this->customQuery) {
 59             $query = $this->customQuery;
 60             $query->select[] = "{$this->sourceClass}.ID AS ID";
 61             $query->select[] = "{$this->sourceClass}.ClassName AS ClassName";
 62             $query->select[] = "{$this->sourceClass}.ClassName AS RecordClassName";
 63         }
 64         else {
 65             $query = singleton($this->sourceClass)->extendedSQL($this->sourceFilter, $this->sourceSort, $limitClause, $this->sourceJoin);
 66 
 67             // Add more selected fields if they are from joined table.
 68 
 69             $SNG = singleton($this->sourceClass);
 70             foreach($this->FieldList() as $k => $title) {
 71                 if(! $SNG->hasField($k) && ! $SNG->hasMethod('get' . $k))
 72                     $query->select[] = $k;
 73             }
 74         }
 75         return clone $query;
 76     }
 77 
 78     function sourceItems() {
 79         if($this->sourceItems)
 80             return $this->sourceItems;
 81 
 82         $limitClause = '';
 83         if(isset($_REQUEST[ 'ctf' ][ $this->Name() ][ 'start' ]) && is_numeric($_REQUEST[ 'ctf' ][ $this->Name() ][ 'start' ]))
 84             $limitClause = $_REQUEST[ 'ctf' ][ $this->Name() ][ 'start' ] . ", $this->pageSize";
 85         else
 86             $limitClause = "0, $this->pageSize";
 87 
 88         $dataQuery = $this->getQuery($limitClause);
 89         $records = $dataQuery->execute();
 90         $items = new DataObjectSet();
 91         foreach($records as $record) {
 92             if(! is_object($record))
 93                 $class = $this->sourceClass;
 94             $record = new $class($record);
 95             $items->push($record);
 96         }
 97 
 98         $dataQuery = $this->getQuery();
 99         $records = $dataQuery->execute();
100         $unpagedItems = new DataObjectSet();
101         foreach($records as $record) {
102             if(! is_object($record)) {
103                 $class = $this->sourceClass;
104                 $record = new $class($record);
105             }
106             $unpagedItems->push($record);
107         }
108         $this->unpagedSourceItems = $unpagedItems;
109 
110         $this->totalCount = ($this->unpagedSourceItems) ? $this->unpagedSourceItems->TotalItems() : null;
111 
112         return $items;
113     }
114 
115     function getControllerID() {
116         return $this->controller->ID;
117     }
118 
119     public function SortableClass() {
120         return $this->sourceClass();
121     }
122 
123     function saveInto(DataObject $record) {
124         $fieldName = $this->name;
125         $saveDest = $record->$fieldName();
126 
127         if(! $saveDest)
128             user_error("HasManyDataObjectManager::saveInto() Field '$fieldName' not found on $record->class.$record->ID", E_USER_ERROR);
129 
130         $items = array();
131 
132         if($list = $this->value[ $this->htmlListField ]) {
133             if($list != 'undefined')
134                 $items = explode(',', trim($list,","));
135         }
136 
137         $saveDest->setByIDList($items);
138     }
139 
140     function ExtraData() {
141         $items = array();
142         foreach($this->unpagedSourceItems as $item) {
143             if($item->{$this->joinField} == $this->controller->ID)
144                 $items[] = $item->ID;
145         }
146         $list = implode(',', $items);
147         $value = ",";
148         $value .= !empty($list) ? $list."," : "";
149         $inputId = $this->id() . '_' . $this->htmlListEndName;
150         return <<<HTML
151         <input id="$inputId" name="{$this->name}[{$this->htmlListField}]" type="hidden" value="{$value}"/>
152 HTML;
153     }
154 
155 }
156 
157 
158 class HasManyDataObjectManager_Item extends DataObjectManager_Item {
159 
160     function MarkingCheckbox() {
161         $name = $this->parent->Name() . '[]';
162         $joinVal = $this->item->{$this->parent->joinField};
163         $parentID = $this->parent->getControllerID();
164         $disabled = $this->parent->hasMarkingPermission() ? "" : "disabled='disabled'";
165 
166         if($this->parent->IsReadOnly || ($joinVal > 0 && $joinVal != $parentID))
167             return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" disabled=\"disabled\"/>";
168         else if($joinVal == $parentID)
169             return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" checked=\"checked\" $disabled />";
170         else
171             return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" $disabled />";
172     }
173 }
174 
175 
176 
177 ?>