/**
* Returns a image-tag, URL and attributes for a image preview
*
* @param mixed $fileInfo Is a file path or an array containing a file info from tx_dam::file_compileInfo().
* @param string $size Optional: $size is [w]x[h] of the image preview. 56 is default.
* @param mixed $imgAttributes additional attributes for the image tag
* @return array Thumbnail image tag, url and attributes with width/height
* @todo calc width/height from cm size or similar when hpixels not available
* @todo return false when file is missing?
*/
function preview($fileInfo, $size = '', $imgAttributes = '')
{
// get some file information
if (!is_array($fileInfo)) {
$fileInfo = tx_dam::file_compileInfo($fileInfo);
}
$filepath = tx_dam::file_absolutePath($fileInfo);
if ($filepath and @file_exists($filepath) and @is_file($filepath)) {
$fileType = tx_dam::file_getType($fileInfo);
if (!tx_dam_image::isPreviewPossible($fileType)) {
return array();
}
if (!is_array($imgAttributes)) {
$imgAttributes = tx_dam_image::tools_explodeAttributes($imgAttributes);
}
$imgAttributes['alt'] = isset($imgAttributes['alt']) ? $imgAttributes['alt'] : ($fileInfo['alt_text'] ? $fileInfo['alt_text'] : $fileInfo['title']);
$imgAttributes['title'] = isset($imgAttributes['title']) ? $imgAttributes['title'] : $imgAttributes['alt'];
// Check and parse the size parameter
$size = trim($size);
list($sizeX, $sizeY) = tx_dam_image::parseSize($size);
$sizeMax = $max = max($sizeX, $sizeY);
// get maximum image pixel size
$maxImageSize = 0;
if ($fileInfo['hpixels']) {
$maxImageSize = max($fileInfo['hpixels'], $fileInfo['vpixels']);
} elseif (t3lib_div::inList('gif,jpg,png', $fileType['file_type'])) {
if (is_array($imgInfo = @getimagesize($filepath))) {
$fileInfo['hpixels'] = $imgInfo[0];
$fileInfo['vpixels'] = $imgInfo[1];
$maxImageSize = max($fileInfo['hpixels'], $fileInfo['vpixels']);
}
}
// calculate the image preview size
$useOriginalImage = false;
if ($maxImageSize and $maxImageSize <= $sizeMax) {
$useOriginalImage = true;
$thumbSizeX = $fileInfo['hpixels'];
$thumbSizeY = $fileInfo['vpixels'];
$imgAttributes['width'] = $thumbSizeX;
$imgAttributes['height'] = $thumbSizeY;
} elseif ($maxImageSize) {
list($thumbSizeX, $thumbSizeY) = tx_dam_image::calcSize($fileInfo['hpixels'], $fileInfo['vpixels'], $sizeX, $sizeY);
$imgAttributes['width'] = $thumbSizeX;
$imgAttributes['height'] = $thumbSizeY;
$size = $thumbSizeX . 'x' . $thumbSizeY;
} elseif (tx_dam_image::isPreviewPossible($fileType)) {
$thumbSizeX = $sizeX;
$thumbSizeY = $sizeY;
$size = $thumbSizeX . 'x' . $thumbSizeY;
} else {
$thumbSizeX = 0;
$thumbSizeY = 0;
}
$url = '';
$thumbnail = '';
if ($thumbSizeX) {
// use the original image if it's size fits to the image preview size
if ($useOriginalImage) {
if (TYPO3_MODE === 'FE') {
$url = preg_replace('#^' . preg_quote(PATH_site) . '#', '', $filepath);
} else {
$url = $GLOBALS['BACK_PATH'] . '../' . preg_replace('#^' . preg_quote(PATH_site) . '#', '', $filepath);
}
// use thumbs.php script
} else {
$check = basename($filepath) . ':' . filemtime($filepath) . ':' . $GLOBALS['TYPO3_CONF_VARS']['SYS']['encryptionKey'];
$url = 'thumbs.php?';
$url .= '&file=' . rawurlencode($filepath);
$url .= $size ? '&size=' . $size : '';
$url .= '&md5sum=' . t3lib_div::shortMD5($check);
$url .= '&dummy=' . $GLOBALS['EXEC_TIME'];
if (TYPO3_MODE === 'FE') {
$url = TYPO3_mainDir . $url;
} else {
$url = $GLOBALS['BACK_PATH'] . $url;
}
}
}
$imgAttributes = tx_dam_image::tools_implodeAttributes($imgAttributes);
$thumbnail = '<img src="' . htmlspecialchars($url) . '"' . $imgAttributes . ' />';
}
return array('img' => $thumbnail, 'url' => $url, 'attributes' => $imgAttributes, 'sizeX' => $thumbSizeX, 'sizeY' => $thumbSizeY);
}
/**
* Returns a dia like thumbnail
*
* @param array $row tx_dam record
* @param integer $diaSize dia size
* @param integer $diaMargin dia margin
* @param array $showElements Extra elements to show: "title,info,icons"
* @param string $onClick: ...
* @param boolean $makeIcon: ...
* @param string $actions action content to be displayed
* @return string HTML output
*/
function getDia($row, $diaSize = 115, $diaMargin = 10, $showElements = '', $onClick = NULL, $makeIcon = TRUE, $actions = '')
{
if (!is_array($showElements)) {
$showElements = t3lib_div::trimExplode(',', $showElements, 1);
}
// extra CSS code for HTML header
if (is_object($GLOBALS['SOBE']) and !isset($GLOBALS['SOBE']->doc->inDocStylesArray['tx_dam_SCbase_dia'])) {
$GLOBALS['SOBE']->doc->inDocStylesArray['tx_dam_SCbase_dia'] = tx_dam_guiFunc::getDiaStyles($diaSize, $diaMargin);
}
// use css/stylesheet
$iconBgColor = t3lib_div::modifyHTMLcolor($GLOBALS['SOBE']->doc->bgColor, -10, -10, -10);
$titleLen = ceil(30 * ($diaSize - $diaMargin) / (200 - $diaMargin));
$hpixels = $row['hpixels'];
$vpixels = $row['vpixels'];
if ($hpixels and $vpixels) {
list($hpixels, $vpixels) = tx_dam_image::calcSize($hpixels, $vpixels, $diaSize, $diaSize);
} else {
if ($hpixels > $diaSize) {
$hpixels = $diaSize;
}
if ($vpixels > $diaSize) {
$vpixels = $diaSize;
}
}
$uid = $row['uid'];
$imgAttributes = array();
$imgAttributes['title'] = str_replace("\n", '', t3lib_div::fixed_lgd_cs($row['description'], 50));
if ($hpixels) {
$imgAttributes['style'] = 'margin-top:' . (ceil(($diaSize - $vpixels) / 2) + $diaMargin) . 'px;';
} else {
$imgAttributes['style'] = 'margin-top:' . $diaMargin . 'px;';
}
$imgAttributes['onclick'] = $onClick;
$thumb = tx_dam_image::previewImgTag($row, $diaSize, $imgAttributes);
if (!$makeIcon and empty($thumb)) {
return '';
}
if (empty($thumb)) {
$thumb = tx_dam_guiFunc::getMediaTypeIconBox($row);
if ($onClick) {
$thumb = '<a href="#" onclick="' . htmlspecialchars($onClick) . '">' . $thumb . '</a>';
}
}
$descr = '';
if (in_array('title', $showElements)) {
$descr .= htmlspecialchars(t3lib_div::fixed_lgd_cs($row['title'], $titleLen)) . '<br />';
}
if (in_array('info', $showElements)) {
$code = strtoupper($row['file_type']) . ', ';
$code .= $row['hpixels'] ? $row['hpixels'] . 'x' . $row['vpixels'] . ', ' : '';
$code .= t3lib_div::formatSize($row['file_size']);
$descr .= '<span class="txdam-descr">' . htmlspecialchars($code) . '</span>';
}
if ($descr) {
$descr = '<div class="txdam-title">' . $descr . '</div>';
}
$icons = '';
$iconArr = array();
if (in_array('icons', $showElements)) {
// deprecated
$iconArr[] = tx_dam_SCbase::icon_editRec('tx_dam', $row['uid'], 'style="margin-left:3px;margin-right:3px;"');
$iconArr[] = tx_dam_SCbase::btn_editRec_inNewWindow('tx_dam', $row['uid'], 'style="margin-left:3px;margin-right:3px;"');
$iconArr[] = tx_dam_SCbase::icon_infoRec('tx_dam', $row['uid'], 'style="margin-left:3px;margin-right:3px;"');
$iconArr[] = tx_dam_SCbase::btn_removeRecFromSel('tx_dam', $row['uid'], 'style="margin-left:3px;margin-right:3px;"');
}
if (in_array('actions', $showElements)) {
$actions;
}
$icons = $icons ? '<div style="margin:3px;">' . implode('<span style="width:40px;"></span>', $iconArr) . '</div>' : '';
$actions = $actions ? '<div style="margin:3px;">' . $actions . '</div>' : '';
$diaCode = '
<table class="txdam-dia" cellspacing="0" cellpadding="0" border="0">
<tr><td><span class="txdam-dia">' . $thumb . '</span></td></tr>
' . ($descr . $icons . $actions ? '<tr><td align="center" bgcolor="' . $iconBgColor . '">' . $descr . $icons . $actions . '</td></tr>' : '') . '
</table> ';
return $diaCode;
}
