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, 70 insertions, 0 deletions

diff --git a/lib/Zend/Validate/NotEmpty.php b/lib/Zend/Validate/NotEmpty.php
new file mode 100644
index 0000000..ce5b1d3
--- /dev/null
+++ b/lib/Zend/Validate/NotEmpty.php
@@ -0,0 +1,70 @@
+<?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_Validate
+ * @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: NotEmpty.php 13249 2008-12-14 19:29:40Z thomas $
+ */
+
+/**
+ * @see Zend_Validate_Abstract
+ */
+require_once 'Zend/Validate/Abstract.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @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_Validate_NotEmpty extends Zend_Validate_Abstract
+{
+    const IS_EMPTY = 'isEmpty';
+
+    /**
+     * @var array
+     */
+    protected $_messageTemplates = array(
+        self::IS_EMPTY => "Value is required and can't be empty"
+    );
+
+    /**
+     * Defined by Zend_Validate_Interface
+     *
+     * Returns true if and only if $value is not an empty value.
+     *
+     * @param  string $value
+     * @return boolean
+     */
+    public function isValid($value)
+    {
+        $this->_setValue((string) $value);
+
+        if (is_string($value)
+            && (('' === $value)
+                || preg_match('/^\s+$/s', $value))
+        ) {
+            $this->_error();
+            return false;
+        } elseif (!is_string($value) && empty($value)) {
+            $this->_error();
+            return false;
+        }
+
+        return true;
+    }
+
+}