CRUDController::getModelViewer() - Code Metrics - Inspection of "Add CRUD search field +pagination" - phpMv/ubiquity - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 5f0535...74f4b9 )

by Jean-Christophe

created 2018-05-01 02:29 UTC

CRUDController::getModelViewer() A

↳ Parent: CRUDController

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	3
rs	10
c	0
b	0
f	0
cc	1
eloc	2
nc	1
nop	0

<?php

namespace Ubiquity\controllers\crud;

use Ubiquity\orm\DAO;
use Ubiquity\controllers\ControllerBase;
use Ubiquity\controllers\admin\interfaces\HasModelViewerInterface;
use Ubiquity\controllers\admin\viewers\ModelViewer;
use Ubiquity\controllers\semantic\MessagesTrait;
use Ubiquity\utils\http\URequest;
use Ubiquity\utils\http\UResponse;
use Ubiquity\controllers\rest\ResponseFormatter;
use Ajax\semantic\widgets\datatable\Pagination;

abstract class CRUDController extends ControllerBase implements HasModelViewerInterface{
	use MessagesTrait;
	protected $model;
	protected $modelViewer;
	protected $crudFiles;
	protected $adminDatas;
	protected $activePage;
	
	/**
	 * Default page : list all objects
	 */
	public function index() {
		$objects=$this->getInstances();
		$modal=($this->_getModelViewer()->isModal($objects,$this->model))?"modal":"no";
		$this->_getModelViewer()->getModelDataTable($objects, $this->model);
		$this->jquery->getOnClick ( "#btAddNew", $this->_getBaseRoute() . "/newModel/" . $modal, "#frm-add-update",["hasLoader"=>"internal"] );
		$this->jquery->compile($this->view);
		$this->loadView($this->_getFiles()->getViewIndex(), [ "classname" => $this->model ]);		
	}
	
	protected function getInstances($page=1,$id=null){
		$this->activePage=$page;
		$model=$this->model;
		$recordsPerPage=$this->_getModelViewer()->recordsPerPage($model,DAO::count($model));
		if(is_numeric($recordsPerPage)){
			if(isset($id)){
				$rownum=DAO::getRownum($model, $id);
				$this->activePage=Pagination::getPageOfRow($rownum,$recordsPerPage);
			}
			return DAO::paginate($model,$this->activePage,$recordsPerPage);
		}
		return DAO::getAll($model);
	}
	
	protected function search($model,$search){
		$fields=$this->_getAdminData()->getSearchFieldNames($model);
		return CRUDHelper::search($model, $search, $fields);
	}
	
	public function _refresh(){
		$model=$this->model;
		if(isset($_POST["s"])){
			$instances=$this->search($model, $_POST["s"]);
		}else{
			$instances=$this->getInstances(URequest::post("p",1));
		}
		$recordsPerPage=$this->_getModelViewer()->recordsPerPage($model,DAO::count($model));
		if(isset($recordsPerPage)){
			UResponse::asJSON();
			$responseFormatter=new ResponseFormatter();
			print_r($responseFormatter->getJSONDatas($instances));
		}else{
			$this->formModal=($this->_getModelViewer()->isModal($instances,$model))? "modal" : "no";
			$compo= $this->_getModelViewer()->getModelDataTable($instances, $model)->refresh(["tbody"]);
			$this->jquery->execAtLast('$("#search-query-content").html("'.$_POST["s"].'");');
			$this->jquery->renderView("@framework/main/component.html",["compo"=>$compo]);
		}
	}
	
	/**
	 * Edits an instance
	 * @param string $modal Accept "no" or "modal" for a modal dialog
	 * @param string $ids the primary value(s)
	 */
	public function edit($modal="no", $ids="") {
		$instance=$this->getModelInstance($ids);
		$instance->_new=false;
		$this->_edit($instance, $modal);
	}
	/**
	 * Adds a new instance and edits it
	 * @param string $modal Accept "no" or "modal" for a modal dialog
	 */
	public function newModel($modal="no") {
		$model=$this->model;
		$instance=new $model();
		$instance->_new=true;
		$this->_edit($instance, $modal);
	}
	
	public function display($modal="no",$ids=""){
		$instance=$this->getModelInstance($ids);
		$this->jquery->execOn("click","._close",'$("#table-details").html("");$("#dataTable").show();');
		echo $this->_getModelViewer()->getModelDataElement($instance, $this->model,$modal);
		echo $this->jquery->compile($this->view);
	}
	
	protected function _edit($instance, $modal="no") {
		$_SESSION["instance"]=$instance;
		$modal=($modal == "modal");
		$form=$this->_getModelViewer()->getForm("frmEdit", $instance);
		$this->jquery->click("#action-modal-frmEdit-0", "$('#frmEdit').form('submit');", false);
		if (!$modal) {
			$this->jquery->click("#bt-cancel", "$('#form-container').transition('drop');");
			$this->jquery->compile($this->view);
			$this->loadView($this->_getFiles()->getViewForm(), [ "modal" => $modal ]);
		} else {
			$this->jquery->exec("$('#modal-frmEdit').modal('show');", true);
			$form=$form->asModal(\get_class($instance));
			$form->setActions([ "Okay","Cancel" ]);
			$btOkay=$form->getAction(0);
			$btOkay->addClass("green")->setValue("Validate modifications");
			$form->onHidden("$('#modal-frmEdit').remove();");
			echo $form->compile($this->jquery, $this->view);
			echo $this->jquery->compile($this->view);
		}
	}
	
	protected function _showModel($id=null) {
		$model=$this->model;
		$datas=$this->getInstances($model,1,$id);
		$this->formModal=($this->_getModelViewer()->isModal($datas,$model))? "modal" : "no";
		return $this->_getModelViewer()->getModelDataTable($datas, $model,$this->activePage);
	}
	
	/**
	 * Deletes an instance
	 * @param mixed $ids
	 */
	public function delete($ids) {
		$instance=$this->getModelInstance($ids);
		if (method_exists($instance, "__toString"))
			$instanceString=$instance . "";
		else
			$instanceString=get_class($instance);
		if (sizeof($_POST) > 0) {
			try{
				if (DAO::remove($instance)) {
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
					$message=new CRUDMessage("Deletion of `<b>" . $instanceString . "</b>`","Deletion","info","info circle",4000);
					$message=$this->onSuccessDeleteMessage($message);
					$this->jquery->exec("$('tr[data-ajax={$ids}]').remove();", true);
				} else {
					$message=new CRUDMessage("Can not delete `" . $instanceString . "`","Deletion","warning","warning circle");
					$message=$this->onErrorDeleteMessage($message);
				}
			}catch (\Exception $e){
				$message=new CRUDMessage("Exception : can not delete `" . $instanceString . "`","Exception", "warning", "warning");
				$message=$this->onErrorDeleteMessage($message);
			}
			$message=$this->_showSimpleMessage($message);
		} else {
			$message=new CRUDMessage("Do you confirm the deletion of `<b>" . $instanceString . "</b>`?", "Remove confirmation","error");
			$this->onConfDeleteMessage($message);
class User
{
    private $email;

    public function getEmail()
    {
        return $this->email;
    }

    public function setEmail($email)
    {
        $this->email = $email;
    }
}
			$message=$this->_showConfMessage($message, $this->_getBaseRoute() . "/delete/{$ids}", "#table-messages", $ids);
		}
		echo $message;
		echo $this->jquery->compile($this->view);
	}
	
	protected function onSuccessDeleteMessage(CRUDMessage $message):CRUDMessage{
		return $message;
	}
	
	protected function onErrorDeleteMessage(CRUDMessage $message):CRUDMessage{
		return $message;
	}
	
	protected function onConfDeleteMessage(CRUDMessage $message):CRUDMessage{
		return $message;
	}
	
	protected function onSuccessUpdateMessage(CRUDMessage $message):CRUDMessage{
		return $message;
	}
	
	protected function onErrorUpdateMessage(CRUDMessage $message):CRUDMessage{
		return $message;
	}
	
	protected function onNotFoundMessage(CRUDMessage $message):CRUDMessage{
		return $message;
	}
	
	public function refreshTable() {
		echo $this->_showModel();
		echo $this->jquery->compile($this->view);
	}
	
	/**
	 * Updates an instance from the data posted in a form
	 */
	public function update() {
		$message=new CRUDMessage("Modifications were successfully saved", "Updating");
		$instance=@$_SESSION["instance"];
		$updated=CRUDHelper::update($instance, $_POST,$this->_getAdminData()->getUpdateManyToOneInForm(),$this->_getAdminData()->getUpdateManyToManyInForm());
		if($updated){
			$message->setType("success")->setIcon("check circle outline");
			$message=$this->onSuccessUpdateMessage($message);
			$this->jquery->get($this->_getBaseRoute() . "/refreshTable", "#lv", [ "jqueryDone" => "replaceWith" ]);
		} else {
			$message->setMessage("An error has occurred. Can not save changes.")->setType("error")->setIcon("warning circle");

			$message=$this->onErrorUpdateMessage($message);
		}
		echo $this->_showSimpleMessage($message,"updateMsg");
		echo $this->jquery->compile($this->view);
	}
	
	/**
	 * Shows associated members with foreign keys
	 * @param mixed $ids
	 */
	public function showDetail($ids) {
		$instance=$this->getModelInstance($ids);
		$viewer=$this->_getModelViewer();
		$hasElements=false;
		$model=$this->model;
		$fkInstances=CRUDHelper::getFKIntances($instance, $model);
		$semantic=$this->jquery->semantic();
		$grid=$semantic->htmlGrid("detail");
		if (sizeof($fkInstances) > 0) {
			$wide=intval(16 / sizeof($fkInstances));
			if ($wide < 4)
				$wide=4;
				foreach ( $fkInstances as $member=>$fkInstanceArray ) {
					$element=$viewer->getFkMemberElementDetails($member,$fkInstanceArray["objectFK"],$fkInstanceArray["fkClass"],$fkInstanceArray["fkTable"]);
					if (isset($element)) {
						$grid->addCol($wide)->setContent($element);
						$hasElements=true;
					}
				}
				if ($hasElements)
					echo $grid;
				$this->jquery->getOnClick(".showTable", $this->_getBaseRoute() . "/showTableClick", "#divTable", [ "attr" => "data-ajax","ajaxTransition" => "random" ]);
				echo $this->jquery->compile($this->view);
		}

	}
	
	private function getModelInstance($ids) {
		$ids=\explode("_", $ids);
		$instance=DAO::getOne($this->model, $ids);
		if(isset($instance)){
			return $instance;
		}
		$message=new CRUDMessage("This object does not exist!","Get object","warning","warning circle");
		$message=$this->onNotFoundMessage($message);
		echo $this->_showSimpleMessage($message);
		echo $this->jquery->compile($this->view);
		exit(1);
	}
	
	/**
	 * To override for defining a new adminData
	 * @return CRUDDatas
	 */
	protected function getAdminData ():CRUDDatas{
		return new CRUDDatas();
	}
	
	public function _getAdminData ():CRUDDatas{
		return $this->getSingleton($this->modelViewer,"getAdminData");
	}
	
	/**
	 * To override for defining a new ModelViewer
	 * @return ModelViewer
	 */
	protected function getModelViewer ():ModelViewer{
		return new ModelViewer($this);
	}
	
	private function _getModelViewer():modelViewer{
		return $this->getSingleton($this->modelViewer,"getModelViewer");
	}
	
	/**
	 * To override for changing view files
	 * @return CRUDFiles
	 */
	protected function getFiles ():CRUDFiles{
		return new CRUDFiles();
	}
	
	private function _getFiles():CRUDFiles{
		return $this->getSingleton($this->crudFiles,"getFiles");
	}
	
	private function getSingleton($value, $method) {
		if (! isset ( $value )) {
			$value = $this->$method ();
		}
		return $value;
	}
}



1			<?php
2
3			namespace Ubiquity\controllers\crud;
4
5			use Ubiquity\orm\DAO;
6			use Ubiquity\controllers\ControllerBase;
7			use Ubiquity\controllers\admin\interfaces\HasModelViewerInterface;
8			use Ubiquity\controllers\admin\viewers\ModelViewer;
9			use Ubiquity\controllers\semantic\MessagesTrait;
10			use Ubiquity\utils\http\URequest;
11			use Ubiquity\utils\http\UResponse;
12			use Ubiquity\controllers\rest\ResponseFormatter;
13			use Ajax\semantic\widgets\datatable\Pagination;
14
15			abstract class CRUDController extends ControllerBase implements HasModelViewerInterface{
16			use MessagesTrait;
17			protected $model;
18			protected $modelViewer;
19			protected $crudFiles;
20			protected $adminDatas;
21			protected $activePage;
22
23			/**
24			* Default page : list all objects
25			*/
26			public function index() {
27			$objects=$this->getInstances();
28			$modal=($this->_getModelViewer()->isModal($objects,$this->model))?"modal":"no";
29			$this->_getModelViewer()->getModelDataTable($objects, $this->model);
30			$this->jquery->getOnClick ( "#btAddNew", $this->_getBaseRoute() . "/newModel/" . $modal, "#frm-add-update",["hasLoader"=>"internal"] );
31			$this->jquery->compile($this->view);
32			$this->loadView($this->_getFiles()->getViewIndex(), [ "classname" => $this->model ]);
33			}
34
35			protected function getInstances($page=1,$id=null){
36			$this->activePage=$page;
37			$model=$this->model;
38			$recordsPerPage=$this->_getModelViewer()->recordsPerPage($model,DAO::count($model));
39			if(is_numeric($recordsPerPage)){
40			if(isset($id)){
41			$rownum=DAO::getRownum($model, $id);
42			$this->activePage=Pagination::getPageOfRow($rownum,$recordsPerPage);
43			}
44			return DAO::paginate($model,$this->activePage,$recordsPerPage);
45			}
46			return DAO::getAll($model);
47			}
48
49			protected function search($model,$search){
50			$fields=$this->_getAdminData()->getSearchFieldNames($model);
51			return CRUDHelper::search($model, $search, $fields);
52			}
53
54			public function _refresh(){
55			$model=$this->model;
56			if(isset($_POST["s"])){
57			$instances=$this->search($model, $_POST["s"]);
58			}else{
59			$instances=$this->getInstances(URequest::post("p",1));
60			}
61			$recordsPerPage=$this->_getModelViewer()->recordsPerPage($model,DAO::count($model));
62			if(isset($recordsPerPage)){
63			UResponse::asJSON();
64			$responseFormatter=new ResponseFormatter();
65			print_r($responseFormatter->getJSONDatas($instances));
66			}else{
67			$this->formModal=($this->_getModelViewer()->isModal($instances,$model))? "modal" : "no";
68			$compo= $this->_getModelViewer()->getModelDataTable($instances, $model)->refresh(["tbody"]);
69			$this->jquery->execAtLast('$("#search-query-content").html("'.$_POST["s"].'");');
70			$this->jquery->renderView("@framework/main/component.html",["compo"=>$compo]);
71			}
72			}
73
74			/**
75			* Edits an instance
76			* @param string $modal Accept "no" or "modal" for a modal dialog
77			* @param string $ids the primary value(s)
78			*/
79			public function edit($modal="no", $ids="") {
80			$instance=$this->getModelInstance($ids);
81			$instance->_new=false;
82			$this->_edit($instance, $modal);
83			}
84			/**
85			* Adds a new instance and edits it
86			* @param string $modal Accept "no" or "modal" for a modal dialog
87			*/
88			public function newModel($modal="no") {
89			$model=$this->model;
90			$instance=new $model();
91			$instance->_new=true;
92			$this->_edit($instance, $modal);
93			}
94
95			public function display($modal="no",$ids=""){
96			$instance=$this->getModelInstance($ids);
97			$this->jquery->execOn("click","._close",'$("#table-details").html("");$("#dataTable").show();');
98			echo $this->_getModelViewer()->getModelDataElement($instance, $this->model,$modal);
99			echo $this->jquery->compile($this->view);
100			}
101
102			protected function _edit($instance, $modal="no") {
103			$_SESSION["instance"]=$instance;
104			$modal=($modal == "modal");
105			$form=$this->_getModelViewer()->getForm("frmEdit", $instance);
106			$this->jquery->click("#action-modal-frmEdit-0", "$('#frmEdit').form('submit');", false);
107			if (!$modal) {
108			$this->jquery->click("#bt-cancel", "$('#form-container').transition('drop');");
109			$this->jquery->compile($this->view);
110			$this->loadView($this->_getFiles()->getViewForm(), [ "modal" => $modal ]);
111			} else {
112			$this->jquery->exec("$('#modal-frmEdit').modal('show');", true);
113			$form=$form->asModal(\get_class($instance));
114			$form->setActions([ "Okay","Cancel" ]);
115			$btOkay=$form->getAction(0);
116			$btOkay->addClass("green")->setValue("Validate modifications");
117			$form->onHidden("$('#modal-frmEdit').remove();");
118			echo $form->compile($this->jquery, $this->view);
119			echo $this->jquery->compile($this->view);
120			}
121			}
122
123			protected function _showModel($id=null) {
124			$model=$this->model;
125			$datas=$this->getInstances($model,1,$id);
126			$this->formModal=($this->_getModelViewer()->isModal($datas,$model))? "modal" : "no";
127			return $this->_getModelViewer()->getModelDataTable($datas, $model,$this->activePage);
128			}
129
130			/**
131			* Deletes an instance
132			* @param mixed $ids
133			*/
134			public function delete($ids) {
135			$instance=$this->getModelInstance($ids);
136			if (method_exists($instance, "__toString"))
137			$instanceString=$instance . "";
138			else
139			$instanceString=get_class($instance);
140			if (sizeof($_POST) > 0) {
141			try{
142			if (DAO::remove($instance)) {
			0 ignored issues – show Bug introduced 2018-04-23 00:45 UTC by Report Bug Copy Issue Report It seems like `$instance` defined by `$this->getModelInstance($ids)` on line `135` can also be of type `null`; however, `Ubiquity\orm\traits\DAOUpdatesTrait::remove()` does only seem to accept `object`, maybe add an additional type check? If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check: /** * @return array\|string */ function returnsDifferentValues($x) { if ($x) { return 'foo'; } return array(); } $x = returnsDifferentValues($y); if (is_array($x)) { // $x is an array. } If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue. Loading history...
143			$message=new CRUDMessage("Deletion of `<b>" . $instanceString . "</b>`","Deletion","info","info circle",4000);
144			$message=$this->onSuccessDeleteMessage($message);
145			$this->jquery->exec("$('tr[data-ajax={$ids}]').remove();", true);
146			} else {
147			$message=new CRUDMessage("Can not delete `" . $instanceString . "`","Deletion","warning","warning circle");
148			$message=$this->onErrorDeleteMessage($message);
149			}
150			}catch (\Exception $e){
151			$message=new CRUDMessage("Exception : can not delete `" . $instanceString . "`","Exception", "warning", "warning");
152			$message=$this->onErrorDeleteMessage($message);
153			}
154			$message=$this->_showSimpleMessage($message);
155			} else {
156			$message=new CRUDMessage("Do you confirm the deletion of `<b>" . $instanceString . "</b>`?", "Remove confirmation","error");
157			$this->onConfDeleteMessage($message);
			0 ignored issues – show Unused Code introduced 2018-05-01 02:30 UTC by Report Bug Copy Issue Report The call to the method `Ubiquity\controllers\cru...::onConfDeleteMessage()` seems un-needed as the method has no side-effects. PHP Analyzer performs a side-effects analysis of your code. A side-effect is basically anything that might be visible after the scope of the method is left. Let’s take a look at an example: class User { private $email; public function getEmail() { return $this->email; } public function setEmail($email) { $this->email = $email; } } If we look at the `getEmail()` method, we can see that it has no side-effect. Whether you call this method or not, no future calls to other methods are affected by this. As such code as the following is useless: $user = new User(); $user->getEmail(); // This line could safely be removed as it has no effect. On the hand, if we look at the `setEmail()`, this method _has_ side-effects. In the following case, we could not remove the method call: $user = new User(); $user->setEmail('email@domain'); // This line has a side-effect (it changes an // instance variable). Loading history...
158			$message=$this->_showConfMessage($message, $this->_getBaseRoute() . "/delete/{$ids}", "#table-messages", $ids);
159			}
160			echo $message;
161			echo $this->jquery->compile($this->view);
162			}
163
164			protected function onSuccessDeleteMessage(CRUDMessage $message):CRUDMessage{
165			return $message;
166			}
167
168			protected function onErrorDeleteMessage(CRUDMessage $message):CRUDMessage{
169			return $message;
170			}
171
172			protected function onConfDeleteMessage(CRUDMessage $message):CRUDMessage{
173			return $message;
174			}
175
176			protected function onSuccessUpdateMessage(CRUDMessage $message):CRUDMessage{
177			return $message;
178			}
179
180			protected function onErrorUpdateMessage(CRUDMessage $message):CRUDMessage{
181			return $message;
182			}
183
184			protected function onNotFoundMessage(CRUDMessage $message):CRUDMessage{
185			return $message;
186			}
187
188			public function refreshTable() {
189			echo $this->_showModel();
190			echo $this->jquery->compile($this->view);
191			}
192
193			/**
194			* Updates an instance from the data posted in a form
195			*/
196			public function update() {
197			$message=new CRUDMessage("Modifications were successfully saved", "Updating");
198			$instance=@$_SESSION["instance"];
199			$updated=CRUDHelper::update($instance, $_POST,$this->_getAdminData()->getUpdateManyToOneInForm(),$this->_getAdminData()->getUpdateManyToManyInForm());
200			if($updated){
201			$message->setType("success")->setIcon("check circle outline");
202			$message=$this->onSuccessUpdateMessage($message);
203			$this->jquery->get($this->_getBaseRoute() . "/refreshTable", "#lv", [ "jqueryDone" => "replaceWith" ]);
204			} else {
205			$message->setMessage("An error has occurred. Can not save changes.")->setType("error")->setIcon("warning circle");
			0 ignored issues – show Bug introduced 2018-05-01 02:30 UTC by Report Bug Copy Issue Report The method `setType` cannot be called on `$message->setMessage('An...Can not save changes.')` (of type `null`). Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects. Loading history...
206			$message=$this->onErrorUpdateMessage($message);
207			}
208			echo $this->_showSimpleMessage($message,"updateMsg");
209			echo $this->jquery->compile($this->view);
210			}
211
212			/**
213			* Shows associated members with foreign keys
214			* @param mixed $ids
215			*/
216			public function showDetail($ids) {
217			$instance=$this->getModelInstance($ids);
218			$viewer=$this->_getModelViewer();
219			$hasElements=false;
220			$model=$this->model;
221			$fkInstances=CRUDHelper::getFKIntances($instance, $model);
222			$semantic=$this->jquery->semantic();
223			$grid=$semantic->htmlGrid("detail");
224			if (sizeof($fkInstances) > 0) {
225			$wide=intval(16 / sizeof($fkInstances));
226			if ($wide < 4)
227			$wide=4;
228			foreach ( $fkInstances as $member=>$fkInstanceArray ) {
229			$element=$viewer->getFkMemberElementDetails($member,$fkInstanceArray["objectFK"],$fkInstanceArray["fkClass"],$fkInstanceArray["fkTable"]);
230			if (isset($element)) {
231			$grid->addCol($wide)->setContent($element);
232			$hasElements=true;
233			}
234			}
235			if ($hasElements)
236			echo $grid;
237			$this->jquery->getOnClick(".showTable", $this->_getBaseRoute() . "/showTableClick", "#divTable", [ "attr" => "data-ajax","ajaxTransition" => "random" ]);
238			echo $this->jquery->compile($this->view);
239			}
240
241			}
242
243			private function getModelInstance($ids) {
244			$ids=\explode("_", $ids);
245			$instance=DAO::getOne($this->model, $ids);
246			if(isset($instance)){
247			return $instance;
248			}
249			$message=new CRUDMessage("This object does not exist!","Get object","warning","warning circle");
250			$message=$this->onNotFoundMessage($message);
251			echo $this->_showSimpleMessage($message);
252			echo $this->jquery->compile($this->view);
253			exit(1);
254			}
255
256			/**
257			* To override for defining a new adminData
258			* @return CRUDDatas
259			*/
260			protected function getAdminData ():CRUDDatas{
261			return new CRUDDatas();
262			}
263
264			public function _getAdminData ():CRUDDatas{
265			return $this->getSingleton($this->modelViewer,"getAdminData");
266			}
267
268			/**
269			* To override for defining a new ModelViewer
270			* @return ModelViewer
271			*/
272			protected function getModelViewer ():ModelViewer{
273			return new ModelViewer($this);
274			}
275
276			private function _getModelViewer():modelViewer{
277			return $this->getSingleton($this->modelViewer,"getModelViewer");
278			}
279
280			/**
281			* To override for changing view files
282			* @return CRUDFiles
283			*/
284			protected function getFiles ():CRUDFiles{
285			return new CRUDFiles();
286			}
287
288			private function _getFiles():CRUDFiles{
289			return $this->getSingleton($this->crudFiles,"getFiles");
290			}
291
292			private function getSingleton($value, $method) {
293			if (! isset ( $value )) {
294			$value = $this->$method ();
295			}
296			return $value;
297			}
298			}
299
300

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CRUDController::getModelViewer() A

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