Adding onElementCanUse call to element canUse(method), and the hook f…

…or it in form PHP plugin. Returning false will set an element to read only.
Fabrik · Feb 4, 2017 · 07fd7bf · 07fd7bf
1 parent aa7fe59
commit 07fd7bf
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diff --git a/components/com_fabrik/models/element.php b/components/com_fabrik/models/element.php
@@ -1091,6 +1091,15 @@ public function canUse($location = 'form', $event = null)
 						}
 					}
 				}
+				else if ($this->access->use && $location == 'form')
+				{
+					$formModel = $this->getFormModel();
+					$pluginManager = FabrikWorker::getPluginManager();
+					if (in_array(false, $pluginManager->runPlugins('onElementCanUse', $formModel, 'form', $this)))
+					{
+						$this->access->use = false;
+					}
+				}
 			}
 		}
 

diff --git a/plugins/fabrik_form/php/forms/fields.xml b/plugins/fabrik_form/php/forms/fields.xml
@@ -28,6 +28,7 @@
 					<option value="onDeleteRowsForm">PLG_FORM_PHP_PROCESS_ONDELETEROWSFORM</option>
 					<option value="onAfterDeleteRowsForm">PLG_FORM_PHP_PROCESS_ONAFTERDELETEROWSFORM</option>
 					<option value="onSavePage">PLG_FORM_PHP_PROCESS_ONSAVEPAGE</option>
+					<option value="onElementCanUse">PLG_FORM_PHP_PROCESS_ONELEMENTCANUSE</option>
 			</field>
 
 			<field description="PLG_FORM_PHP_FILE_DESC" directory="plugins/fabrik_form/php/scripts/" hide_default="1" label="PLG_FORM_PHP_FILE_LABEL" name="form_php_file" repeat="true" type="filelist"/>

diff --git a/plugins/fabrik_form/php/language/en-GB/en-GB.plg_fabrik_form_php.ini b/plugins/fabrik_form/php/language/en-GB/en-GB.plg_fabrik_form_php.ini
@@ -28,3 +28,4 @@ PLG_FORM_PHP_PROCESS_GETENDCONTENT="After the end of the form (getEndContent)"
 PLG_FORM_PHP_PROCESS_ONDELETEROWSFORM="On record deletion (onDeleteRowsForm)"
 PLG_FORM_PHP_PROCESS_ONAFTERDELETEROWSFORM="After record deletion (onAfterDeleteRowsForm)"
 PLG_FORM_PHP_PROCESS_ONSAVEPAGE="On saving a page in a multi-page form (onSavePage)"
+PLG_FORM_PHP_PROCESS_ONELEMENTCANUSE="On canUse test for elements in form (onElementCanUse)"
diff --git a/plugins/fabrik_form/php/php.php b/plugins/fabrik_form/php/php.php
@@ -303,6 +303,38 @@ public function onBeforeLoad()
 		return true;
 	}
 
+	/**
+	 * Run for each element's canUse.  Return false to make an element read only
+	 *
+	 * @param  array  $args  array containing element model being tested
+	 *
+	 * @return  bool
+	 */
+	public function onElementCanUse($args)
+	{
+		$params = $this->getParams();
+
+		if ($params->get('only_process_curl') == 'onElementCanUse')
+		{
+			$formModel = $this->getModel();
+			$elementModel = FArrayHelper::getValue($args, 0, false);
+			if ($elementModel)
+			{
+				$w          = new FabrikWorker;
+				$code       = $w->parseMessageForPlaceHolder($params->get('curl_code', ''), $formModel->data, true, true);
+				$php_result = eval($code);
+
+				if ($php_result === false)
+				{
+					return false;
+				}
+			}
+		}
+
+		return true;
+	}
+
+
 	/**
 	 * Run during form rendering, when all the form's JS is assembled and ready
 	 * data found in $formModel->data