mirror of
https://github.com/silverstripe/silverstripe-blog
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140 lines
3.4 KiB
PHP
Executable File
140 lines
3.4 KiB
PHP
Executable File
<?php
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/**
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* Adds a component which allows a user to add a new DataObject by database field.
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*
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* @package silverstripe
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* @subpackage blog
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*
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* @author Michael Strong <micmania@hotmail.co.uk>
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**/
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class GridFieldAddByDBField implements GridField_ActionProvider, GridField_HTMLProvider {
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/**
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* HTML Fragment to render the field.
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*
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* @var string
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**/
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protected $targetFragment;
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/**
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* Default field to create the dataobject by should be Title.
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*
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* @var string
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**/
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protected $dataObjectField = "Title";
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/**
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* Creates a text field and add button which allows the user to directly create a new
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* DataObject by just entering the title.
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*
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* @param $targetFragment string
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**/
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public function __construct($targetFragment = 'before', $dataObjectField = "Title") {
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$this->targetFragment = $targetFragment;
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$this->dataObjectField = (string) $dataObjectField;
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}
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/**
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* Provide actions to this component.
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*
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* @param $gridField GridField
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*
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* @return array
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**/
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public function getActions($gridField) {
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return array("add");
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}
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/**
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* Handles the add action for the given DataObject
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*
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* @param $gridFIeld GridFIeld
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* @param $actionName string
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* @param $arguments mixed
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* @param $data array
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**/
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public function handleAction(GridField $gridField, $actionName, $arguments, $data) {
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if($actionName == "add") {
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$dbField = $this->getDataObjectField();
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$objClass = $gridField->getModelClass();
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$obj = new $objClass();
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if($obj->hasField($dbField)) {
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$obj->setCastedField($dbField, $data['gridfieldaddbydbfield'][$obj->ClassName][$dbField]);
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$id = $gridField->getList()->add($obj);
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if(!$id) {
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$gridField->setError(_t("GridFieldAddByDBField.ADDFAIL", "Unable to save " . $obj->Title . " to the database."), "error");
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}
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} else {
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throw new UnexpectedValueException("Invalid field (" . $dbField . ") on " . $obj->ClassName . ".");
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}
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}
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}
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/**
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* Renders the TextField and add button to the GridField.
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*
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* @param $girdField GridField
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*
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* @return string HTML
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**/
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public function getHTMLFragments($gridField) {
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$dataClass = $gridField->getList()->dataClass();
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$obj = singleton($dataClass);
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$dbField = $this->getDataObjectField();
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$textField = TextField::create("gridfieldaddbydbfield[" . $obj->ClassName . "][" . Convert::raw2htmlatt($dbField) . "]")
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->setAttribute("placeholder", $obj->fieldLabel($dbField))
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->addExtraClass("no-change-track");
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$addAction = new GridField_FormAction($gridField, 'add',
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sprintf(_t('GridField.ADD', "Add %s"), $obj->i18n_singular_name()), 'add', 'add');
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$addAction->setAttribute('data-icon', 'add');
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// Start thinking about rending this back to the GF
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$forTemplate = new ArrayData(array());
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$forTemplate->Fields = new ArrayList();
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$forTemplate->Fields->push($textField);
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$forTemplate->Fields->push($addAction);
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return array(
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$this->targetFragment => $forTemplate->renderWith("GridFieldAddByDBField")
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);
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}
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/**
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* Returns the database field for which we'll add the new data object.
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*
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* @return string
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**/
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public function getDataObjectField() {
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return $this->dataObjectField;
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}
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/**
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* Set the database field.
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*
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* @param $field string
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**/
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public function setDataObjectField($field) {
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$this->dataObjectField = (string) $field;
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}
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} |