1 files changed, 119 insertions, 0 deletions
diff --git a/platform/www/lib/plugins/bureaucracy/helper/fieldnumber.php b/platform/www/lib/plugins/bureaucracy/helper/fieldnumber.php
new file mode 100644
index 0000000..93a2242
--- /dev/null
+++ b/platform/www/lib/plugins/bureaucracy/helper/fieldnumber.php
@@ -0,0 +1,119 @@
+<?php
+/**
+ * Class helper_plugin_bureaucracy_fieldnumber
+ *
+ * Creates a single line input field, where input is validated to be numeric
+ */
+class helper_plugin_bureaucracy_fieldnumber extends helper_plugin_bureaucracy_fieldtextbox {
+
+    private $autoinc = false;
+
+    /**
+     * Arguments:
+     *  - cmd
+     *  - label
+     *  - ++ (optional)
+     *  - 0000 (optional)
+     *  - ^ (optional)
+     *
+     * @param array $args The tokenized definition, only split at spaces
+     */
+    public function initialize($args) {
+        $pp = array_search('++', $args, true);
+        if ($pp !== false) {
+            unset($args[$pp]);
+            $this->autoinc = true;
+        }
+
+        parent::initialize($args);
+
+        if ($this->autoinc) {
+            global $ID;
+            $key = $this->get_key();
+            $c_val = p_get_metadata($ID, 'bureaucracy ' . $key);
+            if (is_null($c_val)) {
+                if (!isset($this->opt['value'])) {
+                    $this->opt['value'] = 0;
+                }
+                p_set_metadata($ID, array('bureaucracy' => array($key => $this->opt['value'])));
+            } else {
+                $this->opt['value'] = $c_val;
+            }
+        }
+        $this->opt['value'] = $this->addLeadingzeros($this->opt['value']);
+    }
+
+    /**
+     * Validate field value
+     *
+     * @throws Exception when not a number
+     */
+    protected function _validate() {
+        $value = $this->getParam('value');
+        if (!is_null($value) && !is_numeric($value)){
+            throw new Exception(sprintf($this->getLang('e_numeric'),hsc($this->getParam('display'))));
+        }
+
+        parent::_validate();
+    }
+
+    /**
+     * Handle a post to the field
+     *
+     * Accepts and validates a posted value.
+     *
+     * @param string $value The passed value or array or null if none given
+     * @param array  $fields (reference) form fields (POST handled upto $this field)
+     * @param int    $index  index number of field in form
+     * @param int    $formid unique identifier of the form which contains this field
+     * @return bool Whether the passed value is valid
+     */
+    public function handle_post($value, &$fields, $index, $formid) {
+        $value = $this->addLeadingzeros($value);
+
+        return parent::handle_post($value, $fields, $index, $formid);
+    }
+
+    /**
+     * Returns the cleaned key for this field required for metadata
+     *
+     * @return string key
+     */
+    private function get_key() {
+        return preg_replace('/\W/', '', $this->opt['label']) . '_autoinc';
+    }
+
+    /**
+     * Executed after performing the action hooks
+     *
+     * Increases counter and purge cache
+     */
+    public function after_action() {
+        if ($this->autoinc) {
+            global $ID;
+            p_set_metadata($ID, array('bureaucracy' => array($this->get_key() => $this->opt['value'] + 1)));
+            // Force rerendering by removing the instructions cache file
+            $cache_fn = getCacheName(wikiFN($ID).$_SERVER['HTTP_HOST'].$_SERVER['SERVER_PORT'],'.'.'i');
+            if (file_exists($cache_fn)) {
+                unlink($cache_fn);
+            }
+        }
+    }
+
+    /**
+     * Add leading zeros, depending on the corresponding field option
+     *
+     * @param int|string $value number
+     * @return string
+     */
+    protected function addLeadingzeros(&$value) {
+        if (isset($this->opt['leadingzeros'])) {
+            $length = strlen($value);
+            for($i = $length; $i < $this->opt['leadingzeros']; $i++) {
+                $value = '0' . $value;
+            }
+            return $value;
+        }
+        return $value;
+    }
+}