new registry formular, re #1559

Closes #3533

Merge request studip/studip!1141

8 files changed, 181 insertions, 6 deletions

diff --git a/lib/classes/forms/ConfirmInput.php b/lib/classes/forms/ConfirmInput.php
new file mode 100644
index 0000000..13e3634
--- /dev/null
+++ b/lib/classes/forms/ConfirmInput.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace Studip\Forms;
+
+class ConfirmInput extends Input
+{
+    public function render()
+    {
+        $template = $GLOBALS['template_factory']->open('forms/confirm_password_input');
+        $template->title = $this->title;
+        $template->name = $this->name;
+        $template->value = $this->value;
+        $template->id = md5(uniqid());
+        $template->required = $this->required;
+        $template->attributes = arrayToHtmlAttributes($this->attributes);
+        return $template->render();
+    }
+}
diff --git a/lib/classes/forms/DatalistInput.php b/lib/classes/forms/DatalistInput.php
new file mode 100644
index 0000000..06cc9e0
--- /dev/null
+++ b/lib/classes/forms/DatalistInput.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace Studip\Forms;
+
+class DatalistInput extends Input
+{
+    public function render()
+    {
+        $options = $this->extractOptionsFromAttributes($this->attributes);
+
+        $template = $GLOBALS['template_factory']->open('forms/datalist_input');
+        $template->title = $this->title;
+        $template->name = $this->name;
+        $template->value = $this->value;
+        $template->id = md5(uniqid());
+        $template->required = $this->required;
+        $template->attributes = arrayToHtmlAttributes($this->attributes);
+        $template->options = $options;
+        return $template->render();
+    }
+}
diff --git a/lib/classes/forms/Form.php b/lib/classes/forms/Form.php
index 49713b7..3b29552 100644
--- a/lib/classes/forms/Form.php
+++ b/lib/classes/forms/Form.php
@@ -17,6 +17,8 @@ class Form extends Part
     protected $save_button_text = '';
     protected $save_button_name = '';
 
+    protected $cancel_button_text = '';
+    protected $cancel_button_name = '';
     protected $autoStore = false;
     protected $debugmode = false;
     protected $success_message = '';
@@ -207,6 +209,31 @@ class Form extends Part
         return $this->save_button_name ?: $this->getSaveButtonText();
     }
 
+    public function setCancelButtonText(string $text): Form
+    {
+        $this->cancel_button_text = $text;
+        return $this;
+    }
+
+    /**
+     * @return string The text for the "save" button in the form.
+     */
+    public function getCancelButtonText() : string
+    {
+        return $this->cancel_button_text ?: _('Abbrechen');
+    }
+
+    public function setCancelButtonName(string $name): Form
+    {
+        $this->cancel_button_name = $name;
+        return $this;
+    }
+
+    public function getCancelButtonName() : string
+    {
+        return $this->cancel_button_name ?: $this->getCancelButtonText();
+    }
+
     public function setSuccessMessage(string $success_message): Form
     {
         $this->success_message = $success_message;
@@ -250,12 +277,35 @@ class Form extends Part
     {
         $this->autoStore = true;
         if (\Request::isPost() && \Request::isAjax() && !\Request::isDialog()) {
-            $this->store();
-            if ($this->success_message) {
-                \PageLayout::postSuccess($this->success_message);
+            if (\Request::submitted('STUDIPFORM_SERVERVALIDATION')) {
+                //verify the user input:
+                $output = [];
+                foreach ($this->getAllInputs() as $input) {
+                    if ($input->validate) {
+                        $callback = $input->getValidationCallback();
+                        $value = $this->getStorableValueFromRequest($input);
+                        $valid = $callback($value, $input);
+                        if ($valid !== true) {
+                            $output[$input->getName()] = [
+                                'name' => $input->getName(),
+                                'label' => $input->getTitle(),
+                                'error' => $callback($value, $input)
+                            ];
+                        }
+                    }
+                }
+                echo json_encode($output);
+                page_close();
+                die();
+            } else {
+                //storing the input
+                $this->store();
+                if ($this->success_message) {
+                    \PageLayout::postSuccess($this->success_message);
+                }
+                page_close();
+                die();
             }
-            page_close();
-            die();
         }
         return $this;
     }
@@ -325,6 +375,17 @@ class Form extends Part
 
         $stored = 0;
 
+        foreach ($this->getAllInputs() as $input) {
+            if ($input->validate) {
+                $callback = $input->getValidationCallback();
+                $value = $this->getStorableValueFromRequest($input);
+                $valid = $callback($value, $input);
+                if ($valid !== true) {
+                    return $stored;
+                }
+            }
+        }
+
         //store by each input
         $all_values = [];
         foreach ($this->getAllInputs() as $input) {
diff --git a/lib/classes/forms/Input.php b/lib/classes/forms/Input.php
index aa3069b..9d2ad32 100644
--- a/lib/classes/forms/Input.php
+++ b/lib/classes/forms/Input.php
@@ -11,6 +11,7 @@ abstract class Input
     protected $parent = null;
     public $mapper = null;
     public $store = null;
+    public $validate = null;
     public $if = null;
     public $permission = true;
     public $required = false;
@@ -133,6 +134,21 @@ abstract class Input
         return $this->name;
     }
 
+    public function getTitle()
+    {
+        return $this->title;
+    }
+
+    public function hasValidation()
+    {
+        return $this->validate !== null;
+    }
+
+    public function getValidationCallback()
+    {
+        return $this->validate;
+    }
+
     /**
      * Returns the value of this input.
      * @return null
@@ -216,6 +232,18 @@ abstract class Input
     }
 
     /**
+     * Sets the server-side verify function of this input. The callable returns true if the given value is okay, or
+     * false or a textstring representing the error.
+     * @param callable $verify
+     * @return $this
+     */
+    public function setValidationFunction(Callable $validate)
+    {
+        $this->validate = $validate;
+        return $this;
+    }
+
+    /**
      * Sets a condition to display this input. The condition is a javascript condition which is used by vue to
      * hide the input if the condition is not satisfies.
      * @param string $if
@@ -261,7 +289,7 @@ abstract class Input
 
     protected function extractOptionsFromAttributes(array &$attributes)
     {
-        $options = null;
+        $options = [];
         if (isset($attributes['options'])) {
             $options = $attributes['options'];
             unset($attributes['options']);
diff --git a/lib/classes/forms/Part.php b/lib/classes/forms/Part.php
index 3609eb4..fdca8f5 100644
--- a/lib/classes/forms/Part.php
+++ b/lib/classes/forms/Part.php
@@ -235,6 +235,7 @@ abstract class Part
             $attributes['type'],
             $attributes['mapper'],
             $attributes['store'],
+            $attributes['validate'],
             $attributes['if'],
             $attributes['permission'],
             $attributes['required'],
@@ -257,6 +258,9 @@ abstract class Part
         if (isset($data['store']) && is_callable($data['store'])) {
             $input->store = $data['store'];
         }
+        if (isset($data['validate']) && is_callable($data['validate'])) {
+            $input->validate = $data['validate'];
+        }
         if (!empty($data['if'])) {
             $input->if = $data['if'];
         }
diff --git a/lib/classes/forms/PasswordInput.php b/lib/classes/forms/PasswordInput.php
new file mode 100644
index 0000000..68e4718
--- /dev/null
+++ b/lib/classes/forms/PasswordInput.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace Studip\Forms;
+
+class PasswordInput extends Input
+{
+    public function render()
+    {
+        $template = $GLOBALS['template_factory']->open('forms/password_input');
+        $template->title = $this->title;
+        $template->name = $this->name;
+        $template->value = $this->value;
+        $template->id = md5(uniqid());
+        $template->required = $this->required;
+        $template->attributes = arrayToHtmlAttributes($this->attributes);
+        return $template->render();
+    }
+}
diff --git a/lib/classes/forms/RadioInput.php b/lib/classes/forms/RadioInput.php
new file mode 100644
index 0000000..1945d87
--- /dev/null
+++ b/lib/classes/forms/RadioInput.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Studip\Forms;
+
+class RadioInput extends Input
+{
+    public function render()
+    {
+        $options = $this->extractOptionsFromAttributes($this->attributes);
+        $template = $GLOBALS['template_factory']->open('forms/radio_input');
+        $template->title = $this->title;
+        $template->name = $this->name;
+        $template->value = $this->value;
+        $template->id = md5(uniqid());
+        $template->required = $this->required;
+        $template->options = $options;
+        $template->attributes = arrayToHtmlAttributes($this->attributes);
+        $template->orientation = $this->attributes['orientation'];
+        return $template->render();
+
+    }
+}
diff --git a/lib/classes/forms/RangeInput.php b/lib/classes/forms/RangeInput.php
index 9f99d59..7a69e9e 100644
--- a/lib/classes/forms/RangeInput.php
+++ b/lib/classes/forms/RangeInput.php
@@ -11,6 +11,9 @@ class RangeInput extends Input
         $template->name = $this->name;
         $template->value = $this->value;
         $template->id = md5(uniqid());
+        $template->min = $this->attributes['min'];
+        $template->max = $this->attributes['max'];
+        $template->step = $this->attributes['step'];
         $template->required = $this->required;
         $template->attributes = arrayToHtmlAttributes($this->attributes);
         return $template->render();