Merge pull request #115 from Icinga/add-selector

Add selector

library/Kubernetes/Web/Selectors.php

@@ -0,0 +1,92 @@
+<?php
+
+namespace Icinga\Module\Kubernetes\Web;
+
+use ipl\Html\Attributes;
+use ipl\Html\BaseHtmlElement;
+use ipl\Html\HtmlElement;
+use ipl\Html\Text;
+use ipl\I18n\Translation;
+use ipl\Stdlib\Str;
+use ipl\Web\Widget\EmptyState;
+use ipl\Web\Widget\HorizontalKeyValue;
+
+use function Icinga\Module\Kubernetes\yield_iterable;
+
+class Selectors extends BaseHtmlElement
+{
+    use Translation;
+
+    protected iterable $selectors;
+
+    protected $tag = 'section';
+
+    protected $defaultAttributes = ['class' => 'selectors'];
+
+    public function __construct(iterable $selectors)
+    {
+        $this->selectors = $selectors;
+    }
+
+    protected function assemble(): void
+    {
+        $this->addHtml(new HtmlElement('h2', null, new Text($this->translate('Selectors'))));
+
+        $selectors = yield_iterable($this->selectors);
+        $content = [];
+        if ($selectors->valid()) {
+            foreach ($this->categorizeSelectors($selectors) as $title => $selectors) {
+                $content[] = new HtmlElement(
+                    'li',
+                    null,
+                    new HtmlElement(
+                        'span',
+                        new Attributes(['class' => 'title']),
+                        new Text($title)
+                    ),
+                    new HtmlElement(
+                        'ul',
+                        null,
+                        ...array_map(
+                            fn($name, $value) => new HtmlElement(
+                                'li',
+                                null,
+                                new HorizontalKeyValue($name, $value)
+                            ),
+                            array_keys($selectors),
+                            $selectors
+                        )
+                    )
+                );
+            }
+
+            $this->addHtml(
+                new HtmlElement(
+                    'div',
+                    new Attributes([
+                        'class'               => 'collapsible',
+                        'data-visible-height' => 100
+                    ]),
+                    new HtmlElement('ul', null, ...$content)
+                )
+            );
+        } else {
+            $this->addHtml(new EmptyState($this->translate('No items to display.')));
+        }
+    }
+
+    private function categorizeSelectors(iterable $selectors): array
+    {
+        $categorized = [];
+
+        foreach ($selectors as $selector) {
+            [$prefix, $name] = Str::symmetricSplit($selector->name, '/', 2);
+            $group = $name ? $prefix : '-';
+            $categorized[$group][$name ?: $prefix] = $selector->value;
+        }
+
+        uksort($categorized, fn($a, $b) => $a === '-' ? 1 : ($b === '-' ? -1 : strcmp($a, $b)));
+
+        return $categorized;
+    }
+}

library/Kubernetes/Web/ServiceDetail.php

@@ -76,6 +76,7 @@ protected function assemble(): void
             ])),
             new Labels($this->service->label),
             new Annotations($this->service->annotation),
+            new Selectors($this->service->selector),
             new PortTable($this->service->port, (new ServicePort())->getColumnDefinitions()),
             new EndpointTable($endpointSlices->endpoint, (new Endpoint())->getColumnDefinitions()),
             new ServiceEnvironment($this->service)

public/css/labels.less

@@ -1,4 +1,4 @@
-.labels {
+.labels, .selectors {
   ul {
     list-style-type: none;
     margin: 0;

public/css/widgets.less

@@ -91,6 +91,7 @@
 .details,
 .labels,
 .annotations,
+.selectors,
 .state {
   .horizontal-key-value > .key {
     width: 25em;