1 files changed, 254 insertions, 0 deletions
diff --git a/library/Icinga/Web/View.php b/library/Icinga/Web/View.php
new file mode 100644
index 0000000..2c80d1d
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+++ b/library/Icinga/Web/View.php
@@ -0,0 +1,254 @@
+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Web;
+
+use Closure;
+use Icinga\Application\Icinga;
+use ipl\I18n\Translation;
+use Zend_View_Abstract;
+use Icinga\Authentication\Auth;
+use Icinga\Exception\ProgrammingError;
+
+/**
+ * Icinga view
+ *
+ * @method Url href($path = null, $params = null) {
+ *  @param  Url|string|null $path
+ *  @param  string[]|null   $params
+ * }
+ *
+ * @method Url url($path = null, $params = null) {
+ *  @param  Url|string|null $path
+ *  @param  string[]|null   $params
+ * }
+ *
+ * @method Url qlink($title, $url, $params = null, $properties = null, $escape = true) {
+ *  @param  string          $title
+ *  @param  Url|string|null $url
+ *  @param  string[]|null   $params
+ *  @param  string[]|null   $properties
+ *  @param  bool            $escape
+ * }
+ *
+ * @method string img($url, $params = null, array $properties = array()) {
+ *  @param  Url|string|null $url
+ *  @param  string[]|null   $params
+ *  @param  string[]        $properties
+ * }
+ *
+ * @method string icon($img, $title = null, array $properties = array()) {
+ *  @param  string      $img
+ *  @param  string|null $title
+ *  @param  string[]    $properties
+ * }
+ *
+ * @method string propertiesToString($properties) {
+ *  @param  string[]    $properties
+ * }
+ *
+ * @method string attributeToString($key, $value) {
+ *  @param  string  $key
+ *  @param  string  $value
+ * }
+ */
+class View extends Zend_View_Abstract
+{
+    use Translation;
+
+    /**
+     * Charset to be used - we only support UTF-8
+     */
+    const CHARSET = 'UTF-8';
+
+    /**
+     * Registered helper functions
+     */
+    private $helperFunctions = array();
+
+    /**
+     * Authentication manager
+     *
+     * @var Auth|null
+     */
+    private $auth;
+
+    /**
+     * Create a new view object
+     *
+     * @param array $config
+     * @see Zend_View_Abstract::__construct
+     */
+    public function __construct($config = array())
+    {
+        $config['helperPath']['Icinga\\Web\\View\\Helper\\'] = Icinga::app()->getLibraryDir('Icinga/Web/View/Helper');
+
+        parent::__construct($config);
+    }
+
+    /**
+     * Initialize the view
+     *
+     * @see Zend_View_Abstract::init
+     */
+    public function init()
+    {
+        $this->loadGlobalHelpers();
+    }
+
+    /**
+     * Escape the given value top be safely used in view scripts
+     *
+     * @param  ?string $var  The output to be escaped
+     * @return string
+     */
+    public function escape($var)
+    {
+        return htmlspecialchars($var ?? '', ENT_COMPAT | ENT_SUBSTITUTE | ENT_HTML5, self::CHARSET, true);
+    }
+
+    /**
+     * Whether a specific helper (closure) has been registered
+     *
+     * @param  string $name The desired function name
+     * @return boolean
+     */
+    public function hasHelperFunction($name)
+    {
+        return array_key_exists($name, $this->helperFunctions);
+    }
+
+    /**
+     * Add a new helper function
+     *
+     * @param  string  $name     The desired function name
+     * @param  Closure $function An anonymous function
+     * @return $this
+     */
+    public function addHelperFunction($name, Closure $function)
+    {
+        if ($this->hasHelperFunction($name)) {
+            throw new ProgrammingError(
+                'Cannot assign the same helper function twice: "%s"',
+                $name
+            );
+        }
+
+        $this->helperFunctions[$name] = $function;
+        return $this;
+    }
+
+    /**
+     * Set or overwrite a helper function
+     *
+     * @param   string  $name
+     * @param   Closure $function
+     *
+     * @return  $this
+     */
+    public function setHelperFunction($name, Closure $function)
+    {
+        $this->helperFunctions[$name] = $function;
+        return $this;
+    }
+
+    /**
+     * Drop a helper function
+     *
+     * @param   string  $name
+     *
+     * @return  $this
+     */
+    public function dropHelperFunction($name)
+    {
+        unset($this->helperFunctions[$name]);
+        return $this;
+    }
+
+    /**
+     * Call a helper function
+     *
+     * @param  string  $name The desired function name
+     * @param  Array   $args Function arguments
+     * @return mixed
+     */
+    public function callHelperFunction($name, $args)
+    {
+        return call_user_func_array(
+            $this->helperFunctions[$name],
+            $args
+        );
+    }
+
+    /**
+     * Load helpers
+     */
+    private function loadGlobalHelpers()
+    {
+        $pattern = dirname(__FILE__) . '/View/helpers/*.php';
+        $files = glob($pattern);
+        foreach ($files as $file) {
+            require_once $file;
+        }
+    }
+
+    /**
+     * Get the authentication manager
+     *
+     * @return Auth
+     */
+    public function Auth()
+    {
+        if ($this->auth === null) {
+            $this->auth = Auth::getInstance();
+        }
+        return $this->auth;
+    }
+
+    /**
+     * Whether the current user has the given permission
+     *
+     * @param   string  $permission Name of the permission
+     *
+     * @return  bool
+     */
+    public function hasPermission($permission)
+    {
+        return $this->Auth()->hasPermission($permission);
+    }
+
+    /**
+     * Use to include the view script in a scope that only allows public
+     * members.
+     *
+     * @return mixed
+     *
+     * @see Zend_View_Abstract::run
+     */
+    protected function _run()
+    {
+        foreach ($this->getVars() as $k => $v) {
+            // Exporting global variables to view scripts:
+            $$k = $v;
+        }
+
+        include func_get_arg(0);
+    }
+
+    /**
+     * Accesses a helper object from within a script
+     *
+     * @param string $name
+     * @param array  $args
+     *
+     * @return string
+     */
+    public function __call($name, $args)
+    {
+        if ($this->hasHelperFunction($name)) {
+            return $this->callHelperFunction($name, $args);
+        } else {
+            return parent::__call($name, $args);
+        }
+    }
+}