Viewing file:  ViewDatabaseImageField.php (3.88 KB) -rw-r--r--
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<?php
include_once getabspath("classes/controls/ViewImageDownloadField.php");
class ViewDatabaseImageField extends ViewImageDownloadField
{
/**
* It returns pdfmake image notation { image: ..., width: ..., height: ... }
*/
public function getPdfValue(&$data, $keylink = "")
{
if( !$data[ $this->field ] )
return '""';
$width = $this->container->pSet->getImageWidth( $this->field );
if( !$width )
{
$width = 100;
if ( $this->container->pageType === PAGE_VIEW )
$width = 300;
}
$imageType = SupposeImageType( $data[ $this->field ] );
if( $imageType == "image/jpeg" || $imageType == "image/png" )
{
return '{
image: "' . jsreplace( 'data:'. $imageType . ';base64,' . base64_bin2str( $data[ $this->field ] ) ) . '",
width: ' . $width . ',
height: ' .$this->container->pSet->getImageHeight( $this->field ) . '
}';
} else {
$urls = $this->getFileURLs( $data, $keylink );
if( $urls ) {
return '{
image: "' . jsreplace( $urls[0]["image"] ) . '",
width: ' . $width . ',
height: ' .$this->container->pSet->getImageHeight( $this->field ) . '
}';
}
}
return '""';
}
public function getFileURLs(&$data, $keylink)
{
$fileURLs = array();
$this->upload_handler->tkeys = $keylink;
$fileName = 'file.jpg';
$fileNameF = $this->container->pSet->getFilenameField($this->field);
if( $fileNameF && $data[$fileNameF] )
$fileName = $data[$fileNameF];
$url = array(
"image" => GetTableLink("mfhandler", "", "filename=".$fileName."&table=".rawurlencode($this->container->pSet->_table)
."&field=".rawurlencode($this->field)
."&nodisp=1"
."&page=".$this->container->pSet->pageName()
."&pageType=".$this->container->pageType.$keylink."&rndVal=".rand(0,32768)),
"filename" => $fileNameF
);
if( $this->showThumbnails ) {
$hrefBegin = GetTableLink("mfhandler", "", "filename=".$fileName."&table=".rawurlencode($this->container->pSet->_table));
$thumbPref = $this->container->pSet->getStrThumbnail($this->field);
$hasThumbnail = $thumbPref != "" && strlen($data[ $thumbPref ]);
$hrefEnd = "&nodisp=1&page=".$this->container->pSet->pageName()."&pageType=".$this->container->pageType.$keylink."&rndVal=".rand(0,32768);
$url["thumbnail"] = $hrefBegin."&field=".rawurlencode($this->field).( $hasThumbnail ? "&thumb=1" : "" ).$hrefEnd;
}
$fileURLs[] = $url;
return $fileURLs;
}
/**
* @param &Array data
* @return String
*/
public function getTextValue(&$data)
{
if( !strlen( $data[ $this->field ] ) )
return "";
$fileNameField = $this->container->pSet->getFilenameField( $this->field );
if( $fileNameField && $data[ $fileNameField ] )
return $data[ $fileNameField ];
return "<<Image>>";
}
/**
* Get the field's content that will be exported
* @prarm &Array data
* @prarm String keylink
* @return String
*/
public function getExportValue(&$data, $keylink = "")
{
return "LONG BINARY DATA - CANNOT BE DISPLAYED";
}
/**
* Get the width and height setting for small thumbnails
* wrapping in a style attribute
* @param String imageSrc
* @param Boolean hasThumbnail
* @return String
*/
protected function getSmallThumbnailStyle( $imageSrc, $hasThumbnail )
{
$styles = array();
if( $imageSrc )
{
// this is required to avoid the corrupting of the tag by the html2xhtml function in html2ps library
$imageSrc = str_replace( "=", "=", $imageSrc );
$styles[] = ' background-image: url('.$imageSrc.');';
if( !$hasThumbnail )
$styles[] = ' background-size: '. $this->thumbWidth.'px '.$this->thumbHeight.'px ;';
}
if( $this->thumbWidth )
$styles[] = ' width: '.$this->thumbWidth.'px;';
if( $this->thumbHeight )
$styles[] = ' height: '.$this->thumbHeight.'px';
return ' style="'. implode( '' , $styles ) .'"';
}
}
?>
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