Introduce DashletListItem class

library/Icinga/Web/Dashboard/ItemList/DashletListItem.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace Icinga\Web\Dashboard\ItemList;
+
+use Icinga\Web\Dashboard\Dashboard;
+use Icinga\Web\Dashboard\Dashlet;
+use ipl\Html\BaseHtmlElement;
+use ipl\Html\HtmlElement;
+use ipl\Web\Url;
+use ipl\Web\Widget\Link;
+
+class DashletListItem extends BaseHtmlElement
+{
+    protected $defaultAttributes = ['class' => 'dashlet-list-item'];
+
+    protected $tag = 'li';
+
+    /** @var Dashlet */
+    protected $dashlet;
+
+    protected $renderEditButton;
+
+    public function __construct(Dashlet $dashlet = null, $renderEditButton = false)
+    {
+        $this->dashlet = $dashlet;
+        $this->renderEditButton = $renderEditButton;
+    }
+
+    /**
+     * Set whether to render an edit button for this dashlet
+     *
+     * @param bool $value
+     *
+     * @return $this
+     */
+    protected function setDetailUrl(bool $value)
+    {
+        $this->renderEditButton = $value;
+
+        return $this;
+    }
+
+    protected function assembleTitle()
+    {
+        $title = HtmlElement::create('h1', ['class' => 'dashlet-header']);
+
+        if (! $this->dashlet) {
+            $title->add(t('Custom Url'));
+        } else {
+            $title->add($this->dashlet->getTitle());
+
+            if ($this->renderEditButton) {
+                $pane = $this->dashlet->getPane();
+                $url = Url::fromPath(Dashboard::BASE_ROUTE . '/edit-dashlet');
+                $url->setParams([
+                    'home'      => $pane->getHome()->getName(),
+                    'pane'      => $pane->getName(),
+                    'dashlet'   => $this->dashlet->getName()
+                ]);
+
+                $title->addHtml(new Link(t('Edit'), $url, [
+                    'data-icinga-modal'   => true,
+                    'data-no-icinga-ajax' => true
+                ]));
+            }
+        }
+
+        return $title;
+    }
+
+    protected function assembleSummary()
+    {
+        $section = HtmlElement::create('section', ['class' => 'caption']);
+
+        if (! $this->dashlet) {
+            $section->add(t('Create a dashlet with custom url and filter'));
+        } else {
+            $section->add($this->dashlet->getDescription() ?: $this->dashlet->getTitle());
+        }
+
+        return $section;
+    }
+
+    protected function assemble()
+    {
+        $this->addHtml($this->assembleTitle());
+        $this->addHtml($this->assembleSummary());
+    }
+}