1 files changed, 119 insertions, 0 deletions
diff --git a/inc/Ui/Media/Display.php b/inc/Ui/Media/Display.php
new file mode 100644
index 000000000..16f2137b1
--- /dev/null
+++ b/inc/Ui/Media/Display.php
@@ -0,0 +1,119 @@
+<?php
+
+namespace dokuwiki\Ui\Media;
+
+use dokuwiki\File\MediaFile;
+
+class Display
+{
+    /** @var MediaFile */
+    protected $mediaFile;
+
+    /** @var string should IDs be shown relative to this namespace? Used in search results */
+    protected $relativeDisplay = null;
+
+    /** @var bool scroll to this file on display? */
+    protected $scrollIntoView = false;
+
+    /**
+     * Display constructor.
+     * @param MediaFile $mediaFile
+     */
+    public function __construct(MediaFile $mediaFile)
+    {
+        $this->mediaFile = $mediaFile;
+    }
+
+    /**
+     * Get the HTML to display a preview image if possible, otherwise show an icon
+     *
+     * @param int $w bounding box width to resize pixel based images to
+     * @param int $h bounding box height to resize pixel based images to
+     * @return string
+     */
+    public function getPreviewHtml($w, $h)
+    {
+        if ($this->mediaFile->isImage()) {
+            $src = ml($this->mediaFile->getId(), ['w' => $w, 'h' => $h]);
+        } else {
+            $src = $this->getIconUrl();
+        }
+
+        return '<img src="' . $src . '" alt="' . hsc($this->mediaFile->getDisplayName()) . '" loading="lazy" />';
+    }
+
+    /**
+     * Return the URL to the icon for this file
+     *
+     * @return string
+     */
+    public function getIconUrl()
+    {
+        $link = 'lib/images/fileicons/svg/' . $this->mediaFile->getIcoClass() . '.svg';
+        if (!file_exists(DOKU_INC . $link)) $link = 'lib/images/fileicons/svg/file.svg';
+        return DOKU_BASE . $link;
+    }
+
+    /**
+     * Show IDs relative to this namespace
+     *
+     * @param string|null $ns Use null to disable
+     */
+    public function relativeDisplay($ns)
+    {
+        $this->relativeDisplay = $ns;
+    }
+
+    /**
+     * Scroll to this file on display?
+     *
+     * @param bool $set
+     */
+    public function scrollIntoView($set = true)
+    {
+        $this->scrollIntoView = $set;
+    }
+
+    /** @return string */
+    protected function formatDate()
+    {
+        return dformat($this->mediaFile->getLastModified());
+    }
+
+    /**
+     * Output the image dimension if any
+     *
+     * @param string $empty what to show when no dimensions are available
+     * @return string
+     */
+    protected function formatDimensions($empty = '&#160;')
+    {
+        $w = $this->mediaFile->getWidth();
+        $h = $this->mediaFile->getHeight();
+        if ($w && $h) {
+            return $w . '&#215;' . $h;
+        } else {
+            return $empty;
+        }
+    }
+
+    /** @return string */
+    protected function formatFileSize()
+    {
+        return filesize_h($this->mediaFile->getFileSize());
+    }
+
+    /** @return string */
+    protected function formatDisplayName()
+    {
+        if ($this->relativeDisplay !== null) {
+            $id = $this->mediaFile->getId();
+            if (substr($id, 0, strlen($this->relativeDisplay)) == $this->relativeDisplay) {
+                $id = substr($id, strlen($this->relativeDisplay));
+            }
+            return ltrim($id, ':');
+        } else {
+            return $this->mediaFile->getDisplayName();
+        }
+    }
+}