form improvements

app/View/CheckboxWidget.php

@@ -0,0 +1,14 @@
+<?php
+
+
+namespace App\View;
+
+
+class CheckboxWidget extends Widget
+{
+    public function checked($condition=true)
+    {
+        $this->value = (bool)$condition;
+        return $this;
+    }
+}

app/View/Widget.php

@@ -12,14 +12,17 @@ namespace App\View;
  * @property-read string|null $help
  * @property-read string|null $value
  * @property-read string $attributes
+ * @property-read int $labelCols
+ * @property-read int $fieldCols
  */
 class Widget
 {
-    private $attributes = [],
+    protected $attributesArray = [],
         $id, $name, $label, $value,
         $viewName,
         $help,
-        $style = [];
+        $labelCols, $fieldCols,
+        $styleArray = [];
 
     public function __construct($viewName, $name, $label)
     {
@@ -36,7 +39,7 @@ class Widget
             'height', 'minHeight', 'maxHeight'
         ];
 
-        if (empty($args)) $args = [''];
+        if (empty($args)) $args = [null];
 
         $arg = $args[0];
 
@@ -50,7 +53,7 @@ class Widget
             $this->$method = $arg;
         }
         else {
-            $this->attributes[$method] = $arg;
+            $this->attributesArray[$method] = $arg;
         }
 
         return $this;
@@ -58,7 +61,15 @@ class Widget
 
     public function css($prop, $val)
     {
-        $this->style[$prop] = $val;
+        $this->styleArray[$prop] = $val;
+        return $this;
+    }
+
+    /** Apply a given layout (bootstrap grid, 12 cols total) */
+    public function layout($labelCols, $fieldCols)
+    {
+        $this->labelCols = $labelCols;
+        $this->fieldCols = $fieldCols;
         return $this;
     }
 
@@ -82,14 +93,19 @@ class Widget
     public function compileAttribs()
     {
         // compile attribs string
-        $attribs_s = array_reduce(array_keys($this->attributes), function ($carry, $key) {
-            return $carry . ' ' . $key . '="' . e($this->attributes[$key]) . '"';
+        $attribs_s = array_reduce(array_keys($this->attributesArray), function ($carry, $key) {
+            if ($this->attributesArray[$key] === null) {
+                // simple attribs like 'required'
+                return $carry . ' ' . $key;
+            } else {
+                return $carry . ' ' . $key . '="' . e($this->attributesArray[$key]) . '"';
+            }
         }, '');
 
         // add a compiled list of styles
-        if (!empty($this->style)) {
-            $attribs_s .= 'style="'.trim(e(array_reduce(array_keys($this->style), function ($carry, $key) {
-                return $carry . $key . ': ' . $this->style[$key] . '; ';
+        if (!empty($this->styleArray)) {
+            $attribs_s .= 'style="'.trim(e(array_reduce(array_keys($this->styleArray), function ($carry, $key) {
+                return $carry . $key . ': ' . $this->styleArray[$key] . '; ';
             }, ''))).'"';
         }
 

app/View/WidgetFactory.php

@@ -5,23 +5,48 @@ namespace App\View;
 
 class WidgetFactory
 {
+    private $labelCols = 3, $fieldCols = 8;
+
+    /** Configure layout used for future elements */
+    public function setLayout($labelCols, $fieldCols)
+    {
+        $this->labelCols = $labelCols;
+        $this->fieldCols = $fieldCols;
+    }
+
+    private function baseWidget($view, $name, $label)
+    {
+        return (new Widget($view, $name, $label))->layout($this->labelCols, $this->fieldCols);
+    }
+
     public function text($name, $label)
     {
-        return new Widget('input', $name, $label);
+        return $this->baseWidget('input', $name, $label);
+    }
+
+    public function password($name, $label)
+    {
+        return $this->baseWidget('input', $name, $label)->type('password');
     }
 
     public function number($name, $label)
     {
-        return new Widget('number', $name, $label);
+        return $this->baseWidget('input', $name, $label)->type('number');
     }
 
     public function email($name, $label)
     {
-        return new Widget('email', $name, $label);
+        return $this->baseWidget('input', $name, $label)->type('email');
+    }
+
+    public function checkbox($name, $label)
+    {
+        return (new CheckboxWidget('checkbox', $name, $label))
+            ->layout($this->labelCols, $this->fieldCols);
     }
 
     public function textarea($name, $label)
     {
-        return (new Widget('textarea', $name, $label))->minHeight('4em');
+        return $this->baseWidget('textarea', $name, $label)->minHeight('4em');
     }
 }