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<?php |
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/** |
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* Base class for all fields that contain other fields. |
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* |
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* Implements sequentialisation - so that when we're saving / loading data, we |
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* can populate a tabbed form properly. All of the children are stored in |
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* $this->children |
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* |
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* @package forms |
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* @subpackage fields-structural |
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*/ |
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class CompositeField extends FormField { |
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/** |
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* @var FieldList |
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*/ |
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protected $children; |
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/** |
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* Set to true when this field is a readonly field |
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*/ |
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protected $readonly; |
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/** |
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* @var $columnCount int Toggle different css-rendering for multiple columns |
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* ("onecolumn", "twocolumns", "threecolumns"). The content is determined |
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* by the $children-array, so wrap all items you want to have grouped in a |
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* column inside a CompositeField. |
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* Caution: Please make sure that this variable actually matches the |
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* count of your $children. |
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*/ |
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protected $columnCount = null; |
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/** |
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* @var String custom HTML tag to render with, e.g. to produce a <fieldset>. |
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*/ |
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protected $tag = 'div'; |
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/** |
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* @var String Optional description for this set of fields. |
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* If the {@link $tag} property is set to use a 'fieldset', this will be |
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* rendered as a <legend> tag, otherwise its a 'title' attribute. |
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*/ |
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protected $legend; |
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protected $schemaDataType = FormField::SCHEMA_DATA_TYPE_STRUCTURAL; |
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public function __construct($children = null) { |
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if($children instanceof FieldList) { |
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$this->children = $children; |
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} elseif(is_array($children)) { |
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$this->children = new FieldList($children); |
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} else { |
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//filter out null/empty items |
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$children = array_filter(func_get_args()); |
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$this->children = new FieldList($children); |
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} |
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$this->children->setContainerField($this); |
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// Skipping FormField::__construct(), but we have to make sure this |
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// doesn't count as a broken constructor |
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$this->brokenOnConstruct = false; |
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Object::__construct(); |
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} |
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/** |
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* Returns all the sub-fields, suitable for <% loop FieldList %> |
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* |
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* @return FieldList |
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*/ |
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public function FieldList() { |
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return $this->children; |
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} |
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public function setID($id) { |
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$this->id = $id; |
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return $this; |
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} |
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/** |
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* Accessor method for $this->children |
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* |
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* @return FieldList |
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*/ |
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public function getChildren() { |
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return $this->children; |
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} |
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/** |
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* @param FieldList $children |
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*/ |
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public function setChildren($children) { |
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$this->children = $children; |
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return $this; |
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} |
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/** |
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* @param string |
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*/ |
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public function setTag($tag) { |
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$this->tag = $tag; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getTag() { |
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return $this->tag; |
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} |
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/** |
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* @param string |
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*/ |
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public function setLegend($legend) { |
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$this->legend = $legend; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getLegend() { |
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return $this->legend; |
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} |
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/** |
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* @deprecated |
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*/ |
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public function extraClasses() { |
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Deprecation::notice('4.0', 'Use extraClass() instead'); |
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return $this->extraClass(); |
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} |
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public function extraClass() { |
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$classes = array('field', 'CompositeField', parent::extraClass()); |
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if($this->columnCount) $classes[] = 'multicolumn'; |
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return implode(' ', $classes); |
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} |
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public function getAttributes() { |
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return array_merge( |
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parent::getAttributes(), |
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array( |
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'tabindex' => null, |
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'type' => null, |
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'value' => null, |
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'type' => null, |
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'title' => ($this->tag == 'fieldset') ? null : $this->legend |
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) |
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); |
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} |
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/** |
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* Add all of the non-composite fields contained within this field to the |
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* list. |
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* |
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* Sequentialisation is used when connecting the form to its data source |
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*/ |
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public function collateDataFields(&$list, $saveableOnly = false) { |
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foreach($this->children as $field) { |
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if(is_object($field)) { |
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if($field->isComposite()) $field->collateDataFields($list, $saveableOnly); |
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View Code Duplication |
if($saveableOnly) { |
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$isIncluded = ($field->hasData() && !$field->isReadonly() && !$field->isDisabled()); |
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} else { |
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$isIncluded = ($field->hasData()); |
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} |
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if($isIncluded) { |
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$name = $field->getName(); |
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if($name) { |
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$formName = (isset($this->form)) ? $this->form->FormName() : '(unknown form)'; |
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if(isset($list[$name])) { |
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user_error("collateDataFields() I noticed that a field called '$name' appears twice in" |
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. " your form: '{$formName}'. One is a '{$field->class}' and the other is a" |
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. " '{$list[$name]->class}'", E_USER_ERROR); |
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} |
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$list[$name] = $field; |
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} |
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} |
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} |
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} |
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} |
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public function setForm($form) { |
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foreach($this->children as $f) |
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if(is_object($f)) $f->setForm($form); |
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parent::setForm($form); |
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return $this; |
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} |
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public function setColumnCount($columnCount) { |
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$this->columnCount = $columnCount; |
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return $this; |
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} |
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public function getColumnCount() { |
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return $this->columnCount; |
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} |
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public function isComposite() { |
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return true; |
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} |
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public function hasData() { |
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return false; |
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} |
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public function fieldByName($name) { |
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return $this->children->fieldByName($name); |
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} |
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/** |
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* Add a new child field to the end of the set. |
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* |
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* @param FormField |
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*/ |
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public function push(FormField $field) { |
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$this->children->push($field); |
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} |
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/** |
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* Add a new child field to the beginning of the set. |
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* |
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* @param FormField |
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*/ |
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public function unshift(FormField $field) { |
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$this->children->unshift($field); |
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} |
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/** |
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* @uses FieldList->insertBefore() |
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*/ |
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public function insertBefore($insertBefore, $field) { |
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$ret = $this->children->insertBefore($insertBefore, $field); |
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$this->sequentialSet = null; |
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return $ret; |
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} |
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/** |
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* @uses FieldList->insertAfter() |
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*/ |
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public function insertAfter($insertAfter, $field) { |
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$ret = $this->children->insertAfter($insertAfter, $field); |
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$this->sequentialSet = null; |
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return $ret; |
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} |
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/** |
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* Remove a field from this CompositeField by Name. |
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* The field could also be inside a CompositeField. |
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* |
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* @param string $fieldName The name of the field |
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* @param boolean $dataFieldOnly If this is true, then a field will only |
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* be removed if it's a data field. Dataless fields, such as tabs, will |
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* be left as-is. |
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*/ |
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public function removeByName($fieldName, $dataFieldOnly = false) { |
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$this->children->removeByName($fieldName, $dataFieldOnly); |
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} |
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public function replaceField($fieldName, $newField) { |
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return $this->children->replaceField($fieldName, $newField); |
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} |
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public function rootFieldList() { |
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if(is_object($this->containerFieldList)) return $this->containerFieldList->rootFieldList(); |
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else return $this->children; |
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} |
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/** |
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* Return a readonly version of this field. Keeps the composition but returns readonly |
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* versions of all the child {@link FormField} objects. |
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* |
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* @return CompositeField |
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*/ |
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public function performReadonlyTransformation() { |
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$newChildren = new FieldList(); |
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$clone = clone $this; |
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View Code Duplication |
if($clone->getChildren()) foreach($clone->getChildren() as $idx => $child) { |
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if(is_object($child)) $child = $child->transform(new ReadonlyTransformation()); |
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$newChildren->push($child, $idx); |
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} |
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$clone->children = $newChildren; |
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$clone->readonly = true; |
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$clone->addExtraClass($this->extraClass()); |
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$clone->setDescription($this->getDescription()); |
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return $clone; |
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} |
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/** |
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* Return a disabled version of this field. Keeps the composition but returns disabled |
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* versions of all the child {@link FormField} objects. |
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* |
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* @return CompositeField |
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*/ |
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public function performDisabledTransformation() { |
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$newChildren = new FieldList(); |
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$clone = clone $this; |
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View Code Duplication |
if($clone->getChildren()) foreach($clone->getChildren() as $idx => $child) { |
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if(is_object($child)) $child = $child->transform(new DisabledTransformation()); |
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$newChildren->push($child, $idx); |
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} |
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$clone->children = $newChildren; |
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$clone->readonly = true; |
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$clone->addExtraClass($this->extraClass()); |
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$clone->setDescription($this->getDescription()); |
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foreach($this->attributes as $k => $v) { |
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$clone->setAttribute($k, $v); |
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} |
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return $clone; |
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} |
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public function IsReadonly() { |
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return $this->readonly; |
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} |
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/** |
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* Find the numerical position of a field within |
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* the children collection. Doesn't work recursively. |
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* |
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* @param string|FormField |
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* @return int Position in children collection (first position starts with 0). Returns FALSE if the field can't |
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* be found. |
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*/ |
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View Code Duplication |
public function fieldPosition($field) { |
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if(is_string($field)) $field = $this->fieldByName($field); |
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if(!$field) return false; |
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338
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$i = 0; |
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foreach($this->children as $child) { |
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if($child->getName() == $field->getName()) return $i; |
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$i++; |
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} |
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return false; |
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} |
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/** |
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* Transform the named field into a readonly feld. |
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* |
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* @param string|FormField |
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*/ |
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public function makeFieldReadonly($field) { |
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$fieldName = ($field instanceof FormField) ? $field->getName() : $field; |
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// Iterate on items, looking for the applicable field |
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foreach($this->children as $i => $item) { |
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if($item->isComposite()) { |
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$item->makeFieldReadonly($fieldName); |
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} else { |
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// Once it's found, use FormField::transform to turn the field into a readonly version of itself. |
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if($item->getName() == $fieldName) { |
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$this->children->replaceField($fieldName, $item->transform(new ReadonlyTransformation())); |
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// Clear an internal cache |
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$this->sequentialSet = null; |
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// A true results indicates that the field was found |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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public function debug() { |
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$result = "$this->class ($this->name) <ul>"; |
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foreach($this->children as $child) { |
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$result .= "<li>" . Debug::text($child) . " </li>"; |
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} |
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$result .= "</ul>"; |
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return $result; |
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|
|
} |
383
|
|
|
|
384
|
|
|
/** |
385
|
|
|
* Validate this field |
386
|
|
|
* |
387
|
|
|
* @param Validator $validator |
388
|
|
|
* @return bool |
389
|
|
|
*/ |
390
|
|
|
public function validate($validator) { |
391
|
|
|
$valid = true; |
392
|
|
|
foreach($this->children as $idx => $child){ |
393
|
|
|
$valid = ($child && $child->validate($validator) && $valid); |
394
|
|
|
} |
395
|
|
|
return $valid; |
396
|
|
|
} |
397
|
|
|
|
398
|
|
|
} |
399
|
|
|
|
Since your code implements the magic setter
_set
, this function will be called for any write access on an undefined variable. You can add the@property
annotation to your class or interface to document the existence of this variable.Since the property has write access only, you can use the @property-write annotation instead.
Of course, you may also just have mistyped another name, in which case you should fix the error.
See also the PhpDoc documentation for @property.