mirror of
https://github.com/silverstripe/silverstripe-cms
synced 2024-06-27 23:19:36 +02:00
mujma: ENHANCEMENT: Added garbage collection (merged from gsoc branch, r40463, r42790, r41070)
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@42958 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Andrew O'Neil
parent
ab88be37fe
commit
6aed530816
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@ -235,8 +235,8 @@ HTML;
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);
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$fileList->setFolder($record);
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$fileList->setPopupCaption("View/Edit Asset");
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if($record) {
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if($record) {
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$nameField = ($id != "root") ? new TextField("Name", "Folder Name") : new HiddenField("Name");
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if( $record->userCanEdit() ) {
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$deleteButton = new InlineFormAction('deletemarked',_t('AssetAdmin.DELSELECTED','Delete selected files'), 'delete');
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@ -265,8 +265,21 @@ HTML;
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new LiteralField("UploadIframe",
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$this->getUploadIframe()
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)
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)
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),
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),
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new Tab("Unused files",
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new LiteralField("UnusedAssets",
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"<div id=\"UnusedAssets\"><p>Unused files</p>"
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),
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$this->getAssetList(),
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new LiteralField("UnusedThumbnails",
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"</div>
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<div id=\"UnusedThumbnails\">
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<p>Unused thumbnails</p>
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<a id=\"UnusedThumbnails\" href=\"#\">Delete unused thumbnails</a>
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</div>"
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)
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)
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),
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new HiddenField("ID")
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);
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@ -668,4 +681,136 @@ JS;
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return parent::save($urlParams, $form);
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}
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/**
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* #################################
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* Garbage collection.
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* #################################
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*/
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/**
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* Removes all unused thumbnails, and echos status message to user.
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*
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* @returns null
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*/
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public function deleteUnusedThumbnails() {
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foreach($this->getUnusedThumbnailsArray() as $file) {
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unlink("../assets/" . $file);
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}
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echo "statusMessage('All unused thumbnails has been deleted','good')";
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}
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/**
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* Looks for files used in system and create where clause which contains all ID's of files.
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*
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* @returns String where clause which will work as filter.
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*/
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private function getUsedFilesList() {
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$result = DB::query("SELECT DISTINCT FileID FROM SiteTree_ImageTracking");
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$usedFiles = array();
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$where = "";
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if($result->numRecords() > 0) {
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while($nextResult = $result->next()){
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$where .= $nextResult['FileID'] . ',';
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}
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}
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$classes = ClassInfo::subclassesFor('SiteTree');
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foreach($classes as $className) {
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$sng = singleton($className);
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$objects = DataObject::get($className);
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if($objects !== NULL) {
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foreach($sng->has_one() as $fieldName => $joinClass) {
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if($joinClass == 'Image' || $joinClass == 'File') {
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foreach($objects as $object) {
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if($object->$fieldName != NULL) $usedFiles[] = $object->$fieldName;
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}
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} elseif($joinClass == 'Folder') {
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/*foreach($objects as $object) {
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var_dump($object->$fieldName);
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}*/
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}
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}
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}
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}
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foreach($usedFiles as $file) {
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$where .= $file->ID . ',';
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}
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if($where == "") return "(ClassName = 'File' OR ClassName = 'Image')";
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$where = substr($where,0,strlen($where)-1);
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$where = "ID NOT IN (" . $where . ") AND (ClassName = 'File' OR ClassName = 'Image')";
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return $where;
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}
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/**
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* Creates table for displaying unused files.
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*
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* @returns AssetTableField
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*/
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private function getAssetList() {
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$where = $this->getUsedFilesList();
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$assetList = new AssetTableField(
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$this,
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"AssetList",
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"File",
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array("Title" => "Title", "LinkedURL" => "Filename"),
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"",
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$where
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);
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$assetList->setPopupCaption("View Asset");
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$assetList->setPermissions(array("show","delete"));
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$assetList->Markable = false;
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return $assetList;
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}
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/**
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* Creates array containg all unused thumbnails.
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* Array is created in three steps:
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* 1.Scan assets folder and retrieve all thumbnails
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* 2.Scan all HTMLField in system and retrieve thumbnails from them.
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* 3.Count difference between two sets (array_diff)
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*
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* @returns Array
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*/
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private function getUnusedThumbnailsArray() {
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$allThumbnails = array();
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$dirIterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator('../assets'));
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foreach ($dirIterator as $file) {
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if($file->isFile()) {
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if(strpos($file->getPathname(),"_resampled") !== false) {
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$pathInfo = pathinfo($file->getPathname());
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if(in_array(strtolower($pathInfo['extension']),array('jpeg','jpg','jpe','png','gif'))) {
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$path = str_replace('\\','/',$file->getPathname());
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$allThumbnails[] = substr($path,strpos($path,'/assets/')+8);
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}
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}
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}
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}
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$classes = ClassInfo::subclassesFor('SiteTree');
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$usedThumbnails = array();
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foreach($classes as $className) {
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$sng = singleton($className);
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$objects = DataObject::get($className);
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if($objects !== NULL) {
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foreach($objects as $object) {
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foreach($sng->db() as $fieldName => $fieldType) {
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if($fieldType == 'HTMLText') {
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$url1 = HTTP::findByTagAndAttribute($object->$fieldName,array("img" => "src"));
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if($url1 != NULL) $usedThumbnails[] = substr($url1[0],strpos($url1[0],'/assets/')+8);
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if($object->latestPublished > 0) {
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$object = Versioned::get_latest_version($className, $object->ID);
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$url2 = HTTP::findByTagAndAttribute($object->$fieldName,array("img" => "src"));
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if($url2 != NULL) $usedThumbnails[] = substr($url2[0],strpos($url2[0],'/assets/')+8);
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}
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}
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}
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}
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}
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}
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return array_diff($allThumbnails,$usedThumbnails);
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}
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}
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@ -5,6 +5,11 @@ class AssetTableField extends ComplexTableField {
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protected $template = "AssetTableField";
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protected $permissions = array(
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"edit",
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"delete",
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//"export",
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);
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function __construct($controller, $name, $sourceClass, $fieldList, $detailFormFields, $sourceFilter = "", $sourceSort = "", $sourceJoin = "") {
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parent::__construct($controller, $name, $sourceClass, $fieldList, $detailFormFields, $sourceFilter, $sourceSort, $sourceJoin);
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@ -25,7 +30,7 @@ class AssetTableField extends ComplexTableField {
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}
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function sourceID() {
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return $this->folder->ID;
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if($this->folder) return $this->folder->ID;
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}
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function DetailForm() {
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@ -160,4 +165,4 @@ class AssetTableField extends ComplexTableField {
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}
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}
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?>
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?>
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@ -470,4 +470,19 @@ appendLoader(function () {
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$('deletepage').getElementsByTagName('button')[0].onclick = function() { return false; };
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$('deletepage_options').onsubmit = deletefolder.form_submit;
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}
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});
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Behaviour.register({
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'#UnusedThumbnails': {
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onclick : function(event) {
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Event.stop(event);
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var options = {
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method: 'get',
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onSuccess: function(t) {
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eval(t.responseText);
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}
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};
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new Ajax.Request('admin/assets/deleteUnusedThumbnails',options);
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}
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}
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});
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@ -18,10 +18,17 @@
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<% control Fields %>
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<td>$Value</td>
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<% end_control %>
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<td width="18">
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<a class="popuplink editlink" href="$EditLink" target="_blank" title="Edit asset"><img src="cms/images/edit.gif" alt="edit" /></a>
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</td>
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<% if Can(delete) %>
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<% if Can(show) %>
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<td width="18">
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<a class="popuplink showlink" href="$ShowLink" target="_blank" title="Show asset"><img src="cms/images/show.png" alt="show" /></a>
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</td>
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<% end_if %>
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<% if Can(edit) %>
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<td width="18">
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<a class="popuplink editlink" href="$EditLink" target="_blank" title="Edit asset"><img src="cms/images/edit.gif" alt="edit" /></a>
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</td>
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<% end_if %>
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<% if Can(delete) %>
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<td width="18">
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<a class="deletelink" href="admin/assets/removefile/$ID" title="Delete this file"><img src="cms/images/delete.gif" alt="delete" title="<% _t('DELFILE','Delete this file') %>" /></a>
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</td>
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