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There are four metadata extensions installed by default:
- importing metadata import from the MARC format (
dlibra-app-extension-mf-marc), - metadata import importing metadata from the XML format (
dcore-app-extension-mf-xml), - import metadata import from the BibTeX format (
dlibra-app-extension-mf-bibtex), and - export exporting metadata in the RDF format – that extension is integrated with the Editor and Administrator Application; it is not defined in a separate project.
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That extension makes it possible to define procedures to be carried out after the main file has been selected in the new publication creator. Those procedures may include file processing on a drive, displaying dialog boxes, etc. A procedure defined by such an extension can result in a change of the selected main file and of the remaining files added to a releasean edition. If there is more than one plugin for that extension in the application, the plugins are called one by one, until one of them processes the files correctly (does not throw an exception).
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- a publication list in a group publication – for saving publications which belong to a selected group publication, in a file in the HTML format (
dcore-app-extension-tl-leaflist); and - an tool for cleaning an attribute - dictionary clearing tool – for removing those values which are not assigned to any publication; that extension is directly integrated with the Administrator Application; it is not defined in a separate project.
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That extension makes it possible to automatically generate thumbnails for added publications, on the basis of files selected for releasesthe editions. Several thumbnails can be generated for one publication, and the editor can choose one of them.
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The plugin installed by default to implement that extension is a plugin which creates presentations on the basis of files in the JPG format (see the description of the filesHandler extension). Besides, in the Editor Application, there are integrated plugins for generating thumbnails from the following files:
- the most popular graphic graphics file formats (JPG, PNG, GIF),
- files in the DjVu format, and
- files in the PDF format.
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