added toolbar; functionality includes refresh button to get back to original page, print article, email a link to the article with a personal note

git-svn-id: http://arc90labs-readability.googlecode.com/svn/trunk@31 d4e419ec-0920-11de-bbfd-a7c1bc4c261e

1 files changed, 207 insertions, 0 deletions

diff --git a/lib/Zend/Registry.php b/lib/Zend/Registry.php
new file mode 100644
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--- /dev/null
+++ b/lib/Zend/Registry.php
@@ -0,0 +1,207 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Registry
+ * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Registry.php 12065 2008-10-21 20:56:32Z doctorrock83 $
+ */
+
+/**
+ * Generic storage class helps to manage global data.
+ *
+ * @category   Zend
+ * @package    Zend_Registry
+ * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Registry extends ArrayObject
+{
+    /**
+     * Class name of the singleton registry object.
+     * @var string
+     */
+    private static $_registryClassName = 'Zend_Registry';
+
+    /**
+     * Registry object provides storage for shared objects.
+     * @var Zend_Registry
+     */
+    private static $_registry = null;
+
+    /**
+     * Retrieves the default registry instance.
+     *
+     * @return Zend_Registry
+     */
+    public static function getInstance()
+    {
+        if (self::$_registry === null) {
+            self::init();
+        }
+
+        return self::$_registry;
+    }
+
+    /**
+     * Set the default registry instance to a specified instance.
+     *
+     * @param Zend_Registry $registry An object instance of type Zend_Registry,
+     *   or a subclass.
+     * @return void
+     * @throws Zend_Exception if registry is already initialized.
+     */
+    public static function setInstance(Zend_Registry $registry)
+    {
+        if (self::$_registry !== null) {
+            require_once 'Zend/Exception.php';
+            throw new Zend_Exception('Registry is already initialized');
+        }
+
+        self::setClassName(get_class($registry));
+        self::$_registry = $registry;
+    }
+
+    /**
+     * Initialize the default registry instance.
+     *
+     * @return void
+     */
+    protected static function init()
+    {
+        self::setInstance(new self::$_registryClassName());
+    }
+
+    /**
+     * Set the class name to use for the default registry instance.
+     * Does not affect the currently initialized instance, it only applies
+     * for the next time you instantiate.
+     *
+     * @param string $registryClassName
+     * @return void
+     * @throws Zend_Exception if the registry is initialized or if the
+     *   class name is not valid.
+     */
+    public static function setClassName($registryClassName = 'Zend_Registry')
+    {
+        if (self::$_registry !== null) {
+            require_once 'Zend/Exception.php';
+            throw new Zend_Exception('Registry is already initialized');
+        }
+
+        if (!is_string($registryClassName)) {
+            require_once 'Zend/Exception.php';
+            throw new Zend_Exception("Argument is not a class name");
+        }
+
+        /**
+         * @see Zend_Loader
+         */
+        require_once 'Zend/Loader.php';
+        Zend_Loader::loadClass($registryClassName);
+
+        self::$_registryClassName = $registryClassName;
+    }
+
+    /**
+     * Unset the default registry instance.
+     * Primarily used in tearDown() in unit tests.
+     * @returns void
+     */
+    public static function _unsetInstance()
+    {
+        self::$_registry = null;
+    }
+
+    /**
+     * getter method, basically same as offsetGet().
+     *
+     * This method can be called from an object of type Zend_Registry, or it
+     * can be called statically.  In the latter case, it uses the default
+     * static instance stored in the class.
+     *
+     * @param string $index - get the value associated with $index
+     * @return mixed
+     * @throws Zend_Exception if no entry is registerd for $index.
+     */
+    public static function get($index)
+    {
+        $instance = self::getInstance();
+
+        if (!$instance->offsetExists($index)) {
+            require_once 'Zend/Exception.php';
+            throw new Zend_Exception("No entry is registered for key '$index'");
+        }
+
+        return $instance->offsetGet($index);
+    }
+
+    /**
+     * setter method, basically same as offsetSet().
+     *
+     * This method can be called from an object of type Zend_Registry, or it
+     * can be called statically.  In the latter case, it uses the default
+     * static instance stored in the class.
+     *
+     * @param string $index The location in the ArrayObject in which to store
+     *   the value.
+     * @param mixed $value The object to store in the ArrayObject.
+     * @return void
+     */
+    public static function set($index, $value)
+    {
+        $instance = self::getInstance();
+        $instance->offsetSet($index, $value);
+    }
+
+    /**
+     * Returns TRUE if the $index is a named value in the registry,
+     * or FALSE if $index was not found in the registry.
+     *
+     * @param  string $index
+     * @return boolean
+     */
+    public static function isRegistered($index)
+    {
+        if (self::$_registry === null) {
+            return false;
+        }
+        return self::$_registry->offsetExists($index);
+    }
+
+    /**
+     * Constructs a parent ArrayObject with default
+     * ARRAY_AS_PROPS to allow acces as an object
+     *
+     * @param array $array data array
+     * @param integer $flags ArrayObject flags
+     */
+    public function __construct($array = array(), $flags = parent::ARRAY_AS_PROPS)
+    {
+        parent::__construct($array, $flags);
+    }
+
+    /**
+     * @param string $index
+     * @returns mixed
+     *
+     * Workaround for http://bugs.php.net/bug.php?id=40442 (ZF-960).
+     */
+    public function offsetExists($index)
+    {
+        return array_key_exists($index, $this);
+    }
+
+}