1 <?php
  2 
  3 class HasManyFileDataObjectManager extends FileDataObjectManager {
  4     public $joinField;
  5     public $addTitle;
  6     public $RelationType = "HasMany";
  7     protected $htmlListEndName = 'CheckedList';
  8     protected $htmlListField = 'selected';
  9     public $template = 'RelationFileDataObjectManager';
 10     public $itemClass = 'HasManyFileDataObjectManager_Item';
 11     protected $relationAutoSetting = false;
 12     protected $markingPermission;
 13 
 14 
 15     /**
 16      * Most of the code below was copied from HasManyComplexTableField.
 17      * Painful, but necessary, until PHP supports multiple inheritance.
 18      */
 19 
 20     function __construct($controller, $name, $sourceClass, $fileFieldName,  $fieldList = null, $detailFormFields = null, $sourceFilter = "", $sourceSort = "Created DESC", $sourceJoin = "") {
 21         parent::__construct($controller, $name, $sourceClass, $fileFieldName, $fieldList, $detailFormFields, $sourceFilter, $sourceSort, $sourceJoin);
 22 
 23         $this->Markable = true;
 24 
 25         if($controllerClass = $this->controllerClass()) {
 26             $this->joinField = $this->getParentIdName($controllerClass, $this->sourceClass);
 27         } else {
 28             user_error("Can't figure out the data class of $controller", E_USER_WARNING);
 29         }
 30 
 31     }
 32 
 33 
 34     /**
 35      * Try to determine the DataObject that this field is built on top of
 36      */
 37     function controllerClass() {
 38         if($this->controller instanceof DataObject) return $this->controller->class;
 39         elseif($this->controller instanceof ContentController) return $this->controller->data()->class;
 40     }
 41 
 42     public function setMarkingPermission($perm) {
 43         $this->markingPermission = $perm;
 44     }
 45 
 46     public function hasMarkingPermission() {
 47         if(is_bool($this->markingPermission))
 48             return $this->markingPermission;
 49         elseif($this->markingPermission)
 50             return Permission::check($this->markingPermission);
 51         return true;
 52     }
 53 
 54 
 55     function getQuery($limitClause = null) {
 56         if($this->customQuery) {
 57             $query = $this->customQuery;
 58             $query->select[] = "{$this->sourceClass}.ID AS ID";
 59             $query->select[] = "{$this->sourceClass}.ClassName AS ClassName";
 60             $query->select[] = "{$this->sourceClass}.ClassName AS RecordClassName";
 61         }
 62         else {
 63             $query = singleton($this->sourceClass)->extendedSQL($this->sourceFilter, $this->sourceSort, $limitClause, $this->sourceJoin);
 64 
 65             // Add more selected fields if they are from joined table.
 66 
 67             $SNG = singleton($this->sourceClass);
 68             foreach($this->FieldList() as $k => $title) {
 69                 if(! $SNG->hasField($k) && ! $SNG->hasMethod('get' . $k))
 70                     $query->select[] = $k;
 71             }
 72         }
 73         return clone $query;
 74     }
 75 
 76     public function setParentClass($class) {
 77         parent::setParentClass($class);
 78         $this->joinField = $this->getParentIdName($class, $this->sourceClass);
 79     }
 80 
 81 
 82     function sourceItems() {
 83         if($this->sourceItems)
 84             return $this->sourceItems;
 85 
 86         $limitClause = '';
 87         if(isset($_REQUEST[ 'ctf' ][ $this->Name() ][ 'start' ]) && is_numeric($_REQUEST[ 'ctf' ][ $this->Name() ][ 'start' ]))
 88             $limitClause = $_REQUEST[ 'ctf' ][ $this->Name() ][ 'start' ] . ", $this->pageSize";
 89         else
 90             $limitClause = "0, $this->pageSize";
 91 
 92         $dataQuery = $this->getQuery($limitClause);
 93         $records = $dataQuery->execute();
 94         $items = new DataObjectSet();
 95         foreach($records as $record) {
 96             if(! is_object($record)) {
 97                 $class = $this->sourceClass;
 98                 $record = new $class($record);
 99             }
100             $items->push($record);
101         }
102 
103         $dataQuery = $this->getQuery();
104         $records = $dataQuery->execute();
105         $unpagedItems = new DataObjectSet();
106         foreach($records as $record) {
107             if(! is_object($record))
108                 $record = new DataObject($record);
109             $unpagedItems->push($record);
110         }
111         $this->unpagedSourceItems = $unpagedItems;
112 
113         $this->totalCount = ($this->unpagedSourceItems) ? $this->unpagedSourceItems->TotalItems() : null;
114 
115         return $items;
116     }
117 
118     function getControllerID() {
119         return $this->controller->ID;
120     }
121 
122     public function SortableClass() {
123         return $this->sourceClass();
124     }
125 
126 
127     function saveInto(DataObject $record) {
128         $fieldName = $this->name;
129         $saveDest = $record->$fieldName();
130 
131         if(! $saveDest)
132             user_error("HasManyDataObjectManager::saveInto() Field '$fieldName' not found on $record->class.$record->ID", E_USER_ERROR);
133 
134         $items = array();
135 
136         if($list = $this->value[ $this->htmlListField ]) {
137             if($list != 'undefined')
138                 $items = explode(',', trim($list,","));
139         }
140 
141         $saveDest->setByIDList($items);
142     }
143 
144     function ExtraData() {
145         $items = array();
146         foreach($this->unpagedSourceItems as $item) {
147             if($item->{$this->joinField} == $this->controller->ID)
148                 $items[] = $item->ID;
149         }
150         $list = implode(',', $items);
151         $value = ",";
152         $value .= !empty($list) ? $list."," : "";
153         $inputId = $this->id() . '_' . $this->htmlListEndName;
154         return <<<HTML
155         <input id="$inputId" name="{$this->name}[{$this->htmlListField}]" type="hidden" value="{$value}"/>
156 HTML;
157     }
158 
159 }
160 
161 
162 class HasManyFileDataObjectManager_Item extends FileDataObjectManager_Item {
163 
164     function MarkingCheckbox() {
165         $name = $this->parent->Name() . '[]';
166 
167         $joinVal = $this->item->{$this->parent->joinField};
168         $parentID = $this->parent->getControllerID();
169         $disabled = $this->parent->hasMarkingPermission() ? "" : "disabled='disabled'";
170 
171         if($this->parent->IsReadOnly || ($joinVal > 0 && $joinVal != $parentID))
172             return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" disabled=\"disabled\"/>";
173         else if($joinVal == $parentID)
174             return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" checked=\"checked\" $disabled />";
175         else
176             return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" $disabled />";
177     }
178 }
179 
180 
181 
182 ?>