[FEATURE] Add stateSelector to the typo3 plugin for tinymce

Resources/Public/Plugins/Typo3FileManager/typo3filemanager.js

@@ -124,7 +124,8 @@ var plugin = tinymce.PluginManager.add('typo3filemanager', function(editor, url)
 		title: 'TYPO3 Image',
 		icon: 'image',
 		shortcut: 'Ctrl+L',
-		onclick: openImageDialog
+		onclick: openImageDialog,
+		stateSelector: 'img[src]'
 	});
 
 	// add the menu entries
@@ -144,7 +145,8 @@ var plugin = tinymce.PluginManager.add('typo3filemanager', function(editor, url)
 		prependToContext: true,
 		shortcut: 'Ctrl+L',
 		icon: 'image',
-		onclick: openImageDialog
+		onclick: openImageDialog,
+		stateSelector: 'img[src]'
 	});
 
 	// initialize the shortcuts