From f8c3eac9c68b07e04455dd9f0671731bf25a34cc Mon Sep 17 00:00:00 2001
From: Samuel Georges <sam@daftspunk.com>
Date: Sat, 7 Mar 2015 10:45:22 +1100
Subject: [PATCH] Streamline data-input-preset in to FormField API

---
 .../backend/assets/js/october.inputpreset.js  |  3 +-
 modules/backend/classes/FormField.php         | 95 +++++++++++++------
 2 files changed, 66 insertions(+), 32 deletions(-)

diff --git a/modules/backend/assets/js/october.inputpreset.js b/modules/backend/assets/js/october.inputpreset.js
index 33d4bdd1b..87f7a1a46 100644
--- a/modules/backend/assets/js/october.inputpreset.js
+++ b/modules/backend/assets/js/october.inputpreset.js
@@ -1,7 +1,8 @@
 /*
  * An input preset converter.
  *
- * The API allows to convert text entered into an element to an URL or file name value in another input element.
+ * The API allows to convert text entered into an element to a URL, slug or file name
+ * value in another input element.
  *
  * Supported data attributes:
  * - data-input-preset: specifies a CSS selector for a source input element
diff --git a/modules/backend/classes/FormField.php b/modules/backend/classes/FormField.php
index 2d8cab757..9b9a9d9b4 100644
--- a/modules/backend/classes/FormField.php
+++ b/modules/backend/classes/FormField.php
@@ -154,6 +154,11 @@ class FormField
      */
     public $trigger;
 
+    /**
+     * @var array Other field names text is converted in to a URL, slug or file name value in this field.
+     */
+    public $preset;
+
     /**
      * Constructor.
      * @param string $fieldName
@@ -244,15 +249,38 @@ class FormField
      */
     protected function evalConfig($config)
     {
+        /*
+         * Standard config:property values
+         */
+        $applyConfigValues = [
+            'context',
+            'placeholder',
+            'cssClass',
+            'dependsOn',
+            'trigger',
+            'preset',
+            'path',
+            'required',
+            'disabled',
+            'hidden',
+            'stretch',
+        ];
+
+        foreach ($applyConfigValues as $value) {
+            if (array_key_exists($value, $config)) {
+                $this->{$value} = $config[$value];
+            }
+        }
+
+        /*
+         * Custom applicators
+         */
         if (isset($config['options'])) {
             $this->options($config['options']);
         }
         if (isset($config['span'])) {
             $this->span($config['span']);
         }
-        if (isset($config['context'])) {
-            $this->context = $config['context'];
-        }
         if (isset($config['size'])) {
             $this->size($config['size']);
         }
@@ -265,42 +293,15 @@ class FormField
         if (isset($config['comment'])) {
             $this->comment($config['comment']);
         }
-        if (isset($config['placeholder'])) {
-            $this->placeholder = $config['placeholder'];
-        }
         if (isset($config['default'])) {
             $this->defaults = $config['default'];
         }
-        if (isset($config['cssClass'])) {
-            $this->cssClass = $config['cssClass'];
-        }
         if (isset($config['attributes'])) {
             $this->attributes($config['attributes']);
         }
         if (isset($config['containerAttributes'])) {
             $this->attributes($config['containerAttributes'], 'container');
         }
-        if (isset($config['dependsOn'])) {
-            $this->dependsOn = $config['dependsOn'];
-        }
-        if (isset($config['trigger'])) {
-            $this->trigger = $config['trigger'];
-        }
-        if (isset($config['path'])) {
-            $this->path = $config['path'];
-        }
-        if (array_key_exists('required', $config)) {
-            $this->required = $config['required'];
-        }
-        if (array_key_exists('disabled', $config)) {
-            $this->disabled = $config['disabled'];
-        }
-        if (array_key_exists('hidden', $config)) {
-            $this->hidden = $config['hidden'];
-        }
-        if (array_key_exists('stretch', $config)) {
-            $this->stretch = $config['stretch'];
-        }
 
         if (isset($config['valueFrom'])) {
             $this->valueFrom = $config['valueFrom'];
@@ -376,6 +377,7 @@ class FormField
         $position = strtolower($position);
 
         $attributes = $this->filterTriggerAttributes($attributes, $position);
+        $attributes = $this->filterPresetAttributes($attributes, $position);
 
         if ($position == 'field' && $this->disabled) {
             $attributes = $attributes + ['disabled' => 'disabled'];
@@ -385,7 +387,7 @@ class FormField
     }
 
     /**
-     * Adds attributes used specifically by the TriggerAPI
+     * Adds attributes used specifically by the Trigger API
      * @param  array $attributes
      * @param  string $position
      * @return array
@@ -425,6 +427,37 @@ class FormField
         return $attributes;
     }
 
+    /**
+     * Adds attributes used specifically by the Input Preset API
+     * @param  array $attributes
+     * @param  string $position
+     * @return array
+     */
+    protected function filterPresetAttributes($attributes, $position = 'field')
+    {
+        if (!$this->preset || !is_array($this->preset) || $position != 'field')
+            return $attributes;
+
+        $presetField = array_get($this->preset, 'field');
+        $presetType = array_get($this->preset, 'type');
+
+        if ($this->arrayName) {
+            $fullPresetField = $this->arrayName.'['.implode('][', Str::evalHtmlArray($presetField)).']';
+        }
+        else {
+            $fullPresetField = $presetField;
+        }
+
+        $newAttributes = [
+            'data-input-preset' => '[name="'.$fullPresetField.'"]',
+            'data-input-preset-type' => $presetType,
+            'data-input-preset-closest-parent' => 'form'
+        ];
+
+        $attributes = $attributes + $newAttributes;
+        return $attributes;
+    }
+
     /**
      * Returns a value suitable for the field name property.
      * @param  string $arrayName Specify a custom array name