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system/Debug/Toolbar/Collectors/Views.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Debug\Toolbar\Collectors;
+
+use CodeIgniter\View\RendererInterface;
+use Config\Services;
+
+/**
+ * Views collector
+ */
+class Views extends BaseCollector
+{
+    /**
+     * Whether this collector has data that can
+     * be displayed in the Timeline.
+     *
+     * @var bool
+     */
+    protected $hasTimeline = true;
+
+    /**
+     * Whether this collector needs to display
+     * content in a tab or not.
+     *
+     * @var bool
+     */
+    protected $hasTabContent = false;
+
+    /**
+     * Whether this collector needs to display
+     * a label or not.
+     *
+     * @var bool
+     */
+    protected $hasLabel = true;
+
+    /**
+     * Whether this collector has data that
+     * should be shown in the Vars tab.
+     *
+     * @var bool
+     */
+    protected $hasVarData = true;
+
+    /**
+     * The 'title' of this Collector.
+     * Used to name things in the toolbar HTML.
+     *
+     * @var string
+     */
+    protected $title = 'Views';
+
+    /**
+     * Instance of the Renderer service
+     *
+     * @var RendererInterface
+     */
+    protected $viewer;
+
+    /**
+     * Views counter
+     *
+     * @var array
+     */
+    protected $views = [];
+
+    /**
+     * Constructor.
+     */
+    public function __construct()
+    {
+        $this->viewer = Services::renderer();
+    }
+
+    /**
+     * Child classes should implement this to return the timeline data
+     * formatted for correct usage.
+     */
+    protected function formatTimelineData(): array
+    {
+        $data = [];
+
+        $rows = $this->viewer->getPerformanceData();
+
+        foreach ($rows as $info) {
+            $data[] = [
+                'name'      => 'View: ' . $info['view'],
+                'component' => 'Views',
+                'start'     => $info['start'],
+                'duration'  => $info['end'] - $info['start'],
+            ];
+        }
+
+        return $data;
+    }
+
+    /**
+     * Gets a collection of data that should be shown in the 'Vars' tab.
+     * The format is an array of sections, each with their own array
+     * of key/value pairs:
+     *
+     *  $data = [
+     *      'section 1' => [
+     *          'foo' => 'bar,
+     *          'bar' => 'baz'
+     *      ],
+     *      'section 2' => [
+     *          'foo' => 'bar,
+     *          'bar' => 'baz'
+     *      ],
+     *  ];
+     */
+    public function getVarData(): array
+    {
+        return [
+
+            'View Data' => $this->viewer->getData(),
+        ];
+    }
+
+    /**
+     * Returns a count of all views.
+     */
+    public function getBadgeValue(): int
+    {
+        return count($this->viewer->getPerformanceData());
+    }
+
+    /**
+     * Display the icon.
+     *
+     * Icon from https://icons8.com - 1em package
+     */
+    public function icon(): string
+    {
+        return 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADeSURBVEhL7ZSxDcIwEEWNYA0YgGmgyAaJLTcUaaBzQQEVjMEabBQxAdw53zTHiThEovGTfnE/9rsoRUxhKLOmaa6Uh7X2+UvguLCzVxN1XW9x4EYHzik033Hp3X0LO+DaQG8MDQcuq6qao4qkHuMgQggLvkPLjqh00ZgFDBacMJYFkuwFlH1mshdkZ5JPJERA9JpI6xNCBESvibQ+IURA9JpI6xNCBESvibQ+IURA9DTsuHTOrVFFxixgB/eUFlU8uKJ0eDBFOu/9EvoeKnlJS2/08Tc8NOwQ8sIfMeYFjqKDjdU2sp4AAAAASUVORK5CYII=';
+    }
+}