silverstripe-framework/forms/HasManyComplexTableField.php

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<?php
/**
* ComplexTableField designed to edit a has_many join.
*
* This field allows you to show a 1-to-many relation with a group of DataObjects as a (readonly) tabular list. Its most useful when you want to manage the relationship itself thanks the **check boxes** present on each line of the table.
*
* Moreover, you can not do any mistake anymore in the relation by checking a DataObject already linked with another of the parent class.
*
* See {@link ComplexTableField} for more documentation on the base-class.
*
* <b>Usage</b>
*
* <code>
* $tablefield = new HasManyComplexTableField(
* $this,
* 'MyFruits',
* '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 {@link ComplexTableField}.
*
* @see http://doc.silverstripe.org/tutorial/5-dataobject-relationship-management
*
* @package forms
* @subpackage fields-relational
*/
class HasManyComplexTableField extends ComplexTableField {
public $joinField;
protected $addTitle;
protected $htmlListEndName = 'CheckedList'; // If you change the value, do not forget to change it also in the JS file
protected $htmlListField = 'selected'; // If you change the value, do not forget to change it also in the JS file
public $template = 'RelationComplexTableField';
public $itemClass = 'HasManyComplexTableField_Item';
protected $relationAutoSetting = false;
function __construct($controller, $name, $sourceClass, $fieldList = null, $detailFormFields = null, $sourceFilter = "", $sourceSort = "", $sourceJoin = "") {
parent::__construct($controller, $name, $sourceClass, $fieldList, $detailFormFields, $sourceFilter, $sourceSort, $sourceJoin);
$this->Markable = true;
if($controllerClass = $this->controllerClass()) {
$this->joinField = $this->getParentIdName($controllerClass, $this->sourceClass);
if(!$this->joinField) user_error("Can't find a has_one relationship from '$this->sourceClass' to '$controllerClass'", E_USER_WARNING);
} else {
user_error("Can't figure out the data class of $controller", E_USER_WARNING);
}
}
function FieldHolder() {
$ret = parent::FieldHolder();
Requirements::add_i18n_javascript(SAPPHIRE_DIR . '/javascript/lang');
Requirements::javascript(SAPPHIRE_DIR . "/javascript/HasManyFileField.js");
Requirements::javascript(SAPPHIRE_DIR . '/javascript/RelationComplexTableField.js');
Requirements::css(SAPPHIRE_DIR . '/css/HasManyFileField.css');
return $ret;
}
/**
* Try to determine the DataObject that this field is built on top of
*/
function controllerClass() {
if($this->controller instanceof DataObject) return $this->controller->class;
elseif($this->controller instanceof ContentController) return $this->controller->data()->class;
}
function getControllerID() {
return $this->controller->ID;
}
function saveInto(DataObject $record) {
$fieldName = $this->name;
$saveDest = $record->$fieldName();
if(! $saveDest)
user_error("HasManyComplexTableField::saveInto() Field '$fieldName' not found on $record->class.$record->ID", E_USER_ERROR);
$items = array();
if($list = $this->value[ $this->htmlListField ]) {
if($list != 'undefined')
$items = explode(',', $list);
}
$saveDest->setByIDList($items);
}
function setAddTitle($addTitle) {
if(is_string($addTitle))
$this->addTitle = $addTitle;
}
function Title() {
return $this->addTitle ? $this->addTitle : parent::Title();
}
/**
* Get the IDs of the selected items, in a has_many or many_many relation
*/
function selectedItemIDs() {
$fieldName = $this->name;
$selectedItems = $this->form->getRecord()->$fieldName();
$itemIDs = array();
foreach($selectedItems as $item) $itemIDs[] = $item->ID;
return $itemIDs;
}
function ExtraData() {
$items = array();
$list = implode(',', $this->selectedItemIDs());
$inputId = $this->id() . '_' . $this->htmlListEndName;
return <<<HTML
<input id="$inputId" name="{$this->name}[{$this->htmlListField}]" type="hidden" value="$list"/>
HTML;
}
}
/**
* Single record of a {@link HasManyComplexTableField} field.
* @package forms
* @subpackage fields-relational
*/
class HasManyComplexTableField_Item extends ComplexTableField_Item {
function MarkingCheckbox() {
$name = $this->parent->Name() . '[]';
if(!$this->parent->joinField) {
user_error("joinField not set in HasManyComplexTableField '{$this->parent->name}'", E_USER_WARNING);
return null;
}
$joinVal = $this->item->{$this->parent->joinField};
$parentID = $this->parent->getControllerID();
if($this->parent->IsReadOnly || ($joinVal > 0 && $joinVal != $parentID))
return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" disabled=\"disabled\"/>";
else if($joinVal == $parentID)
return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" checked=\"checked\"/>";
else
return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\"/>";
}
}
?>