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<?php
/**
* ComplexTableField with a radio button column, designed to edit a has_one join.
*
* This [RelationTable](RelationTable) allows you to show a **1-to-1** or **1-to-many** relation with a group of DataObjects as a (readonly) tabular list (similiar to [ComplexTableField](ComplexTableField)). Its most useful when you want to manage the relationship itself thanks the **radio buttons** present on each line of the table.
*
* Moreover, you have the possibility to uncheck a radio button in order to make the relation as null.
*
* <b>Usage</b>
*
* <code>
* $tablefield = new HasOneComplexTableField(
* $this,
* 'MyOnlyFruit',
* 'Fruit',
* array(
* 'Name' => 'Name',
* 'Color' => 'Color'
* ),
* 'getCMSFields_forPopup'
* );
* </code>
*
* **Notice** : You still have different ways to customize the popup window as in the parent-class [ComplexTableField](ComplexTableField).
*
* This field is made to manage a **has_one** relation. In the SilverStripe relation between DataObjects, you can use this relation for **1-to-1** and **1-to-many** relations.
* By default, a HasOneComplexTableField manages a **1-to-many** relation. If you want to specify that the relation that you manage is a **1-to-1** relation, add this code :
*
* <code>
* $tablefield->setOneToOne();
* </code>
*
* @package forms
* @subpackage fields-relational
*/
class HasOneComplexTableField extends HasManyComplexTableField {
public $itemClass = 'HasOneComplexTableField_Item';
public $isOneToOne = false;
function getParentIdName($parentClass, $childClass) {
return $this->getParentIdNameRelation($parentClass, $childClass, 'has_one');
}
function getControllerJoinID() {
return $this->controller->{$this->joinField};
}
function saveInto(DataObject $record) {
$fieldName = $this->name;
$fieldNameID = $fieldName . 'ID';
$record->$fieldNameID = 0;
if($val = $this->value[ $this->htmlListField ]) {
if($val != 'undefined')
$record->$fieldNameID = $val;
}
$record->write();
}
function setOneToOne() {
$this->isOneToOne = true;
}
function isChildSet($childID) {
return DataObject::get($this->controllerClass(), '"' . $this->joinField . "\" = '$childID'");
}
function ExtraData() {
$val = $this->getControllerJoinID() ? $this->getControllerJoinID() : '';
$inputId = $this->id() . '_' . $this->htmlListEndName;
return <<<HTML
<input id="$inputId" name="{$this->name}[{$this->htmlListField}]" type="hidden" value="$val"/>
HTML;
}
}
/**
* Single record of a {@link HasOneComplexTableField} field.
* @package forms
* @subpackage fields-relational
*/
class HasOneComplexTableField_Item extends ComplexTableField_Item {
function MarkingCheckbox() {
$name = $this->parent->Name() . '[]';
$isOneToOne = $this->parent->isOneToOne;
$joinVal = $this->parent->getControllerJoinID();
$childID = $this->item->ID;
if($this->parent->IsReadOnly || ($isOneToOne && $joinVal != $childID && $this->parent->isChildSet($childID)))
return "<input class=\"radio\" type=\"radio\" name=\"$name\" value=\"{$this->item->ID}\" disabled=\"disabled\"/>";
else if($joinVal == $childID)
return "<input class=\"radio\" type=\"radio\" name=\"$name\" value=\"{$this->item->ID}\" checked=\"checked\"/>";
else
return "<input class=\"radio\" type=\"radio\" name=\"$name\" value=\"{$this->item->ID}\"/>";
}
}
?>
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