(mvc) add fieldtype for json key/value store

(cherry picked from commit 2acf1ff1)

src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/JsonKeyValueStoreField.php

+<?php
+
+/**
+ *    Copyright (C) 2015 Deciso B.V.
+ *
+ *    All rights reserved.
+ *
+ *    Redistribution and use in source and binary forms, with or without
+ *    modification, are permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice,
+ *       this list of conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *
+ *    THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ *    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ *    AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *    AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ *    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ *    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *    POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+namespace OPNsense\Base\FieldTypes;
+
+use Phalcon\Validation\Validator\InclusionIn;
+
+/**
+ * Class JsonKeyValueStoreField, use a json encoded file as selection list
+ * @package OPNsense\Base\FieldTypes
+ */
+class JsonKeyValueStoreField extends BaseField
+{
+    /**
+     * @var bool marks if this is a data node or a container
+     */
+    protected $internalIsContainer = false;
+
+    /**
+     * @var string default validation message string
+     */
+    protected $internalValidationMessage = "option not in list";
+
+    /**
+     * @var bool field may contain multiple servers at once
+     */
+    private $internalMultiSelect = false;
+
+    /**
+     * @var string default description for empty item
+     */
+    private $internalEmptyDescription = "none";
+
+    /**
+     * @var array valid options for this list
+     */
+    private $internalOptionList = array();
+
+
+    /**
+     * @var null source field
+     */
+    private $internalSourceField = null;
+
+    /**
+     * @var null source file pattern
+     */
+    private $internalSourceFile = null;
+
+    /**
+     * @var bool automatically select all when none is selected
+     */
+    private $internalSelectAll = false;
+
+    /**
+     * set descriptive text for empty value
+     * @param string $value description
+     */
+    public function setBlankDesc($value)
+    {
+        $this->internalEmptyDescription = $value;
+    }
+
+    /**
+     * @param string $value source field, pattern for source file
+     */
+    public function setSourceField($value)
+    {
+        $this->internalSourceField = $this->internalParentNode->$value;
+    }
+
+    /**
+     * @param string $value optionlist content to use
+     */
+    public function setSourceFile($value)
+    {
+        $this->internalSourceFile = $value;
+    }
+
+    /**
+     * @param string $value automatically select all when none is selected
+     */
+    public function setSelectAll($value)
+    {
+        if (strtoupper(trim($value)) == 'Y') {
+            $this->internalSelectAll = true;
+        } else {
+            $this->internalSelectAll = false;
+        }
+    }
+
+    /**
+     * populate selection data
+     */
+    protected function actionPostLoadingEvent()
+    {
+        if ($this->internalSourceField != null && $this->internalSourceFile != null) {
+            //$this->internalOptionList[$key] = $value ;
+            $sourcefile = sprintf($this->internalSourceFile, $this->internalSourceField);
+            if (is_file($sourcefile)) {
+                $data = json_decode(file_get_contents($sourcefile), true);
+                if ($data != null) {
+                    $this->internalOptionList = $data;
+                    if ($this->internalSelectAll && $this->internalValue == "") {
+                        $this->internalValue = implode(',', array_keys($this->internalOptionList));
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * select if multiple authentication servers may be selected at once
+     * @param $value boolean value Y/N
+     */
+    public function setMultiple($value)
+    {
+        if (trim(strtoupper($value)) == "Y") {
+            $this->internalMultiSelect = true;
+        } else {
+            $this->internalMultiSelect = false;
+        }
+    }
+
+    /**
+     * get valid options, descriptions and selected value
+     * @return array
+     */
+    public function getNodeData()
+    {
+        $result = array ();
+        // if relation is not required, add empty option
+        if (!$this->internalIsRequired) {
+            $result[""] = array("value"=>$this->internalEmptyDescription, "selected" => 0);
+        }
+
+        $options = explode(',', $this->internalValue);
+        foreach ($this->internalOptionList as $optKey => $optValue) {
+            if (in_array($optKey, $options)) {
+                $selected = 1;
+            } else {
+                $selected = 0;
+            }
+            $result[$optKey] = array("value"=>$optValue, "selected" => $selected);
+        }
+
+        return $result;
+    }
+
+
+    /**
+     * retrieve field validators for this field type
+     * @return array returns InclusionIn validator
+     */
+    public function getValidators()
+    {
+        $validators = parent::getValidators();
+        if ($this->internalValue != null) {
+            if ($this->internalMultiSelect) {
+                // field may contain more than one authentication server
+                $validators[] = new CsvListValidator(array('message' => $this->internalValidationMessage,
+                    'domain'=>array_keys(self::$internalOptionList[$this->internalCacheKey])));
+            } else {
+                // single authentication server selection
+                $validators[] = new InclusionIn(array('message' => $this->internalValidationMessage,
+                    'domain'=>array_keys(self::$internalOptionList[$this->internalCacheKey])));
+            }
+        }
+        return $validators;
+    }
+}