[Gemstracker-svn] SF.net SVN: gemstracker:[1096] trunk/library/classes/MUtil

[<gem...@li...>]

Revision: 1096
          http://gemstracker.svn.sourceforge.net/gemstracker/?rev=1096&view=rev
Author:   matijsdejong
Date:     2013-01-11 18:14:20 +0000 (Fri, 11 Jan 2013)
Log Message:
-----------
Continuing on the method to format values

Modified Paths:
--------------
    trunk/library/classes/MUtil/Loader/PluginLoader.php
    trunk/library/classes/MUtil/Model/ModelAbstract.php
    trunk/library/classes/MUtil/Model.php

Modified: trunk/library/classes/MUtil/Loader/PluginLoader.php
===================================================================
--- trunk/library/classes/MUtil/Loader/PluginLoader.php	2013-01-11 15:24:03 UTC (rev 1095)
+++ trunk/library/classes/MUtil/Loader/PluginLoader.php	2013-01-11 18:14:20 UTC (rev 1096)
@@ -47,11 +47,23 @@
 class MUtil_Loader_PluginLoader extends Zend_Loader_PluginLoader
 {
     /**
+     * Add the default autoloader to this plugin loader.
+     *
+     * @return Zend_Loader_PluginLoader (continuation pattern)
+     */
+    public function addFallBackPath()
+    {
+        parent::addPrefixPath('', '');
+
+        return $this;
+    }
+
+    /**
      * Add prefixed paths to the registry of paths
      *
      * @param string $prefix
      * @param string $path
-     * @return Zend_Loader_PluginLoader
+     * @return Zend_Loader_PluginLoader (continuation pattern)
      */
     public function addPrefixPath($prefix, $path)
     {
@@ -66,6 +78,7 @@
 
         return $this;
     }
+
     /**
      * Instantiate a new class using the arguments array for initiation
      *
@@ -75,7 +88,7 @@
      */
     public function createClass($className, array $arguments = array())
     {
-        if (!class_exists($className)) {
+        if (!class_exists($className, false)) {
             $className = $this->load($className);
         }
 

Modified: trunk/library/classes/MUtil/Model/ModelAbstract.php
===================================================================
--- trunk/library/classes/MUtil/Model/ModelAbstract.php	2013-01-11 15:24:03 UTC (rev 1095)
+++ trunk/library/classes/MUtil/Model/ModelAbstract.php	2013-01-11 18:14:20 UTC (rev 1096)
@@ -67,10 +67,46 @@
 
     private $_changedCount = 0;
     private $_keys;
+
+    /**
+     * Contains the per field settings of the model
+     *
+     * @var array field_name => array(settings)
+     */
     private $_model = array();
-    private $_model_meta;
+
+    /**
+     * Contains the settings for the model as a whole
+     *
+     * @var array
+     */
+    private $_model_meta = array(
+        MUtil_Model::META_ASSEMBLERS => array(
+            MUtil_Model::FORM => 'FormAssembler',
+            ),
+    );
+
+    /**
+     * An identifying name for the model
+     *
+     * @var string
+     */
     private $_model_name;
+
+    /**
+     * The order in which field names where ->set() since
+     * the last ->resetOrder() - minus those not set.
+     *
+     * @var array
+     */
     private $_model_order;
+
+    /**
+     * Contains the (order in which) fields where accessed using
+     * ->get(), containing only those fields that where accesed.
+     *
+     * @var type
+     */
     private $_model_used = false;
 
     /**
@@ -509,6 +545,12 @@
         }
     }
 
+    /**
+     * Returns the field that name is an Alias of
+     *
+     * @param string $name
+     * @return string
+     */
     public function getAlias($name)
     {
         if (isset($this->_model[$name][self::ALIAS_OF])) {
@@ -516,6 +558,42 @@
         }
     }
 
+    /**
+     * Get/load the assembler for the specific idenitifier
+     *
+     * @param string $identifier
+     * @param array $data Optional array with data.
+     * @return MUtil_Model_AssemblerInterface
+     */
+    public function getAssemblerFor($identifier, array $data = null)
+    {
+        $assemblers = $this->getMeta(MUtil_Model::META_ASSEMBLERS);
+
+        if (isset($assemblers[$identifier])) {
+            if ($assemblers[$identifier] instanceof MUtil_Model_AssemblerInterface) {
+                return $assemblers[$identifier];
+            }
+
+            $loader    = MUtil_Model::getAssemblerLoader();
+            $assembler = $loader->createClass($assemblers[$identifier]);
+            $assembler->setModel($this);
+
+            if (null !== $data) {
+                $assembler->setRow($data);
+            }
+
+            $assemblers[$identifier] = $assembler;
+            $this->setMeta(MUtil_Model::META_ASSEMBLERS, $assemblers);
+
+            return $assembler;
+        }
+    }
+
+    /**
+     * The number of item rows changed since the last save or delete
+     *
+     * @return int
+     */
     public function getChanged()
     {
         return $this->_changedCount;
@@ -546,11 +624,30 @@
         return $results;
     }
 
+    /**
+     * Get the current default filter for save/loade
+     * @return array
+     */
     public function getFilter()
     {
         return $this->getMeta('filter', array());
     }
 
+    /**
+     * Get/load the assembler for forms
+     *
+     * @param array $data Optional array with data.
+     * @return MUtil_Model_AssemblerInterface
+     */
+    public function getFormAssembler(array $data = null)
+    {
+        return $this->getAssemblerFor(MUtil_Model::FORM, $data);
+    }
+
+    /**
+     * Returns all the field names in this model
+     * @return array
+     */
     public function getItemNames()
     {
         return array_keys($this->_model);

Modified: trunk/library/classes/MUtil/Model.php
===================================================================
--- trunk/library/classes/MUtil/Model.php	2013-01-11 15:24:03 UTC (rev 1095)
+++ trunk/library/classes/MUtil/Model.php	2013-01-11 18:14:20 UTC (rev 1096)
@@ -37,6 +37,16 @@
 class MUtil_Model
 {
     /**
+     * Indentifier for form (meta) assemblers and (field) processors
+     */
+    const FORM = 'form';
+
+    /**
+     * Indentifier for assemblers meta key
+     */
+    const META_ASSEMBLERS = 'assemblers';
+
+    /**
      * In order to keep the url's short and to hide any field names from
      * the user, model identifies key values by using 'id' for a single
      * key value and id1, id2, etc... for multiple keys.
@@ -86,6 +96,12 @@
     const TYPE_TIME = 5;
 
     /**
+     *
+     * @var MUtil_Loader_PluginLoader
+     */
+    private static $_assemblerLoader;
+
+    /**
      * Static variable for debuggging purposes. Toggles the echoing of e.g. of sql
      * select statements, using MUtil_Echo.
      *
@@ -100,4 +116,34 @@
      * @var boolean $verbose If true echo retrieval statements.
      */
     public static $verbose = false;
+
+    /**
+     * Returns the plugin loader for assemblers
+     *
+     * @return MUtil_Loader_PluginLoader
+     */
+    public static function getAssemblerLoader()
+    {
+        if (! self::$_assemblerLoader) {
+            $loader = new MUtil_Loader_PluginLoader();
+
+            $loader->addPrefixPath('MUtil_Model_Assembler', __DIR__ . '/Model/Assembler')
+                    ->addFallBackPath();
+            // maybe add interface def to plugin loader: MUtil_Model_AssemblerInterface
+
+            self::$_assemblerLoader = $loader;
+        }
+
+        return self::$_assemblerLoader;
+    }
+
+    /**
+     * Sets the plugin loader for assemblers
+     *
+     * @param MUtil_Loader_PluginLoader $loader
+     */
+    public static function setAssemblerLoader(MUtil_Loader_PluginLoader $loader)
+    {
+        self::$_assemblerLoader = $loader;
+    }
 }

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