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