mirror of
https://github.com/silverstripe/silverstripe-framework
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Namespace all templates Move difflib and BBCodeParser2 to thirdparty Remove deprecated API marked for removal in 4.0
401 lines
8.3 KiB
PHP
401 lines
8.3 KiB
PHP
<?php
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namespace SilverStripe\Forms\HTMLEditor;
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use SilverStripe\Assets\File;
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use SilverStripe\Control\Controller;
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use SilverStripe\Core\Convert;
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use SilverStripe\Forms\CompositeField;
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use SilverStripe\Forms\DateField_Disabled;
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use SilverStripe\Forms\DropdownField;
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use SilverStripe\Forms\FieldGroup;
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use SilverStripe\Forms\FieldList;
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use SilverStripe\Forms\HiddenField;
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use SilverStripe\Forms\HTMLReadonlyField;
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use SilverStripe\Forms\LiteralField;
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use SilverStripe\Forms\ReadonlyField;
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use SilverStripe\Forms\TextField;
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use SilverStripe\View\ViewableData;
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/**
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* Encapsulation of a file which can either be a remote URL
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* or a {@link File} on the local filesystem, exhibiting common properties
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* such as file name or the URL.
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*
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* @todo Remove once core has support for remote files
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*/
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abstract class HTMLEditorField_File extends ViewableData
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{
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/**
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* Default insertion width for Images and Media
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*
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* @config
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* @var int
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*/
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private static $insert_width = 600;
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/**
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* Default insert height for images and media
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*
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* @config
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* @var int
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*/
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private static $insert_height = 360;
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/**
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* Max width for insert-media preview.
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*
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* Matches CSS rule for .cms-file-info-preview
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*
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* @var int
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*/
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private static $media_preview_width = 176;
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/**
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* Max height for insert-media preview.
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*
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* Matches CSS rule for .cms-file-info-preview
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*
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* @var int
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*/
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private static $media_preview_height = 128;
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private static $casting = array(
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'URL' => 'Varchar',
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'Name' => 'Varchar'
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);
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/**
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* Absolute URL to asset
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*
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* @var string
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*/
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protected $url;
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/**
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* File dataobject (if available)
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*
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* @var File
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*/
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protected $file;
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/**
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* @param string $url
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* @param File $file
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*/
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public function __construct($url, File $file = null)
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{
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$this->url = $url;
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$this->file = $file;
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$this->failover = $file;
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parent::__construct();
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}
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/**
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* @return FieldList
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*/
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public function getFields()
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{
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$fields = new FieldList(
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CompositeField::create(
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CompositeField::create(LiteralField::create("ImageFull", $this->getPreview()))
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->setName("FilePreviewImage")
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->addExtraClass('cms-file-info-preview'),
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CompositeField::create($this->getDetailFields())
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->setName("FilePreviewData")
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->addExtraClass('cms-file-info-data')
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)
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->setName("FilePreview")
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->addExtraClass('cms-file-info'),
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TextField::create('CaptionText', _t('HTMLEditorField.CAPTIONTEXT', 'Caption text')),
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DropdownField::create(
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'CSSClass',
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_t('HTMLEditorField.CSSCLASS', 'Alignment / style'),
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array(
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'leftAlone' => _t('HTMLEditorField.CSSCLASSLEFTALONE', 'On the left, on its own.'),
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'center' => _t('HTMLEditorField.CSSCLASSCENTER', 'Centered, on its own.'),
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'left' => _t('HTMLEditorField.CSSCLASSLEFT', 'On the left, with text wrapping around.'),
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'right' => _t('HTMLEditorField.CSSCLASSRIGHT', 'On the right, with text wrapping around.')
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)
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),
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FieldGroup::create(_t('HTMLEditorField.IMAGEDIMENSIONS', 'Dimensions'),
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TextField::create(
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'Width',
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_t('HTMLEditorField.IMAGEWIDTHPX', 'Width'),
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$this->getInsertWidth()
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)->setMaxLength(5),
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TextField::create(
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'Height',
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" x " . _t('HTMLEditorField.IMAGEHEIGHTPX', 'Height'),
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$this->getInsertHeight()
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)->setMaxLength(5)
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)->addExtraClass('dimensions last'),
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HiddenField::create('URL', false, $this->getURL()),
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HiddenField::create('FileID', false, $this->getFileID())
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);
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return $fields;
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}
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/**
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* Get list of fields for previewing this records details
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*
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* @return FieldList
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*/
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protected function getDetailFields()
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{
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$fields = new FieldList(
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ReadonlyField::create("FileType", _t('AssetTableField.TYPE', 'File type'), $this->getFileType()),
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HTMLReadonlyField::create(
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'ClickableURL', _t('AssetTableField.URL', 'URL'), $this->getExternalLink()
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)
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);
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// Get file size
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if ($this->getSize()) {
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$fields->insertAfter(
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'FileType',
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ReadonlyField::create("Size", _t('AssetTableField.SIZE', 'File size'), $this->getSize())
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);
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}
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// Get modified details of local record
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if ($this->getFile()) {
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$fields->push(new DateField_Disabled(
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"Created",
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_t('AssetTableField.CREATED', 'First uploaded'),
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$this->getFile()->Created
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));
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$fields->push(new DateField_Disabled(
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"LastEdited",
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_t('AssetTableField.LASTEDIT', 'Last changed'),
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$this->getFile()->LastEdited
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));
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}
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return $fields;
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}
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/**
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* Get file DataObject
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*
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* Might not be set (for remote files)
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*
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* @return File
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*/
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public function getFile()
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{
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return $this->file;
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}
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/**
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* Get file ID
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*
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* @return int
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*/
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public function getFileID()
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{
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if ($file = $this->getFile()) {
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return $file->ID;
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}
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return null;
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}
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/**
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* Get absolute URL
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*
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* @return string
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*/
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public function getURL()
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{
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return $this->url;
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}
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/**
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* Get basename
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*
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* @return string
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*/
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public function getName()
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{
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return $this->file
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? $this->file->Name
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: preg_replace('/\?.*/', '', basename($this->url));
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}
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/**
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* Get descriptive file type
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*
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* @return string
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*/
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public function getFileType()
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{
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return File::get_file_type($this->getName());
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}
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/**
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* Get file size (if known) as string
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*
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* @return string|false String value, or false if doesn't exist
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*/
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public function getSize()
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{
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if ($this->file) {
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return $this->file->getSize();
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}
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return false;
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}
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/**
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* HTML content for preview
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*
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* @return string HTML
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*/
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public function getPreview()
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{
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$preview = $this->extend('getPreview');
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if ($preview) {
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return $preview;
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}
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// Generate tag from preview
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$thumbnailURL = Convert::raw2att(
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Controller::join_links($this->getPreviewURL(), "?r=" . rand(1, 100000))
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);
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$fileName = Convert::raw2att($this->Name);
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return sprintf(
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"<img id='thumbnailImage' class='thumbnail-preview' src='%s' alt='%s' />\n",
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$thumbnailURL,
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$fileName
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);
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}
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/**
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* HTML Content for external link
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*
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* @return string
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*/
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public function getExternalLink()
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{
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$title = $this->file
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? $this->file->getTitle()
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: $this->getName();
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return sprintf(
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'<a href="%1$s" title="%2$s" target="_blank" rel="external" class="file-url">%1$s</a>',
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Convert::raw2att($this->url),
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Convert::raw2att($title)
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);
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}
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/**
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* Generate thumbnail url
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*
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* @return string
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*/
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public function getPreviewURL()
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{
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// Get preview from file
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if ($this->file) {
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return $this->getFilePreviewURL();
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}
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// Generate default icon html
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return File::get_icon_for_extension($this->getExtension());
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}
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/**
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* Generate thumbnail URL from file dataobject (if available)
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*
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* @return string
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*/
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protected function getFilePreviewURL()
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{
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// Get preview from file
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if ($this->file) {
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$width = $this->config()->media_preview_width;
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$height = $this->config()->media_preview_height;
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return $this->file->ThumbnailURL($width, $height);
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}
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return null;
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}
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/**
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* Get file extension
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*
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* @return string
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*/
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public function getExtension()
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{
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$extension = File::get_file_extension($this->getName());
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return strtolower($extension);
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}
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/**
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* Category name
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*
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* @return string
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*/
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public function appCategory()
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{
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if ($this->file) {
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return $this->file->appCategory();
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} else {
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return File::get_app_category($this->getExtension());
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}
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}
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/**
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* Get height of this item
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*/
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public function getHeight()
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{
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if ($this->file) {
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$height = $this->file->getHeight();
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if ($height) {
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return $height;
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}
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}
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return $this->config()->insert_height;
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}
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/**
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* Get width of this item
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*
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* @return int
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*/
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public function getWidth()
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{
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if ($this->file) {
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$width = $this->file->getWidth();
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if ($width) {
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return $width;
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}
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}
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return $this->config()->insert_width;
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}
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/**
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* Provide an initial width for inserted media, restricted based on $embed_width
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*
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* @return int
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*/
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public function getInsertWidth()
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{
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$width = $this->getWidth();
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$maxWidth = $this->config()->insert_width;
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return ($width <= $maxWidth) ? $width : $maxWidth;
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}
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/**
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* Provide an initial height for inserted media, scaled proportionally to the initial width
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*
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* @return int
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*/
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public function getInsertHeight()
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{
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$width = $this->getWidth();
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$height = $this->getHeight();
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$maxWidth = $this->config()->insert_width;
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return ($width <= $maxWidth) ? $height : round($height * ($maxWidth / $width));
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}
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}
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