add nova

nova/src/Card.php

@@ -0,0 +1,103 @@
+<?php
+
+namespace Laravel\Nova;
+
+abstract class Card extends Element
+{
+    public const FULL_WIDTH = 'full';
+
+    public const ONE_THIRD_WIDTH = '1/3';
+
+    public const ONE_HALF_WIDTH = '1/2';
+
+    public const ONE_QUARTER_WIDTH = '1/4';
+
+    public const TWO_THIRDS_WIDTH = '2/3';
+
+    public const THREE_QUARTERS_WIDTH = '3/4';
+
+    public const FIXED_HEIGHT = 'fixed';
+
+    public const DYNAMIC_HEIGHT = 'dynamic';
+
+    /**
+     * The width of the card (1/3, 2/3, 1/2, 1/4, 3/4, or full).
+     *
+     * @var string
+     */
+    public $width = '1/3';
+
+    /**
+     * The height strategy of the card.
+     *
+     * @var string
+     */
+    public $height = 'fixed';
+
+    /**
+     * Set the width of the card.
+     *
+     * @param  string  $width
+     * @return $this
+     */
+    public function width($width)
+    {
+        $this->width = $width;
+
+        if ($this->width == static::FULL_WIDTH) {
+            $this->height = static::DYNAMIC_HEIGHT;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Set the height of a card to use a fixed value.
+     *
+     * @param  string  $height
+     * @return $this
+     */
+    public function height($height)
+    {
+        $this->height = $height;
+
+        return $this;
+    }
+
+    /**
+     * Set the height of a card to be dynamic.
+     *
+     * @return $this
+     */
+    public function dynamicHeight()
+    {
+        $this->height = static::DYNAMIC_HEIGHT;
+
+        return $this;
+    }
+
+    /**
+     * Set the height of a card to be fixed.
+     *
+     * @return $this
+     */
+    public function fixedHeight()
+    {
+        $this->height = static::FIXED_HEIGHT;
+
+        return $this;
+    }
+
+    /**
+     * Prepare the element for JSON serialization.
+     *
+     * @return array<string, mixed>
+     */
+    public function jsonSerialize(): array
+    {
+        return array_merge([
+            'width' => $this->width,
+            'height' => $this->height,
+        ], parent::jsonSerialize());
+    }
+}