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current transaction is aborted, commands ignored until end of transaction block

Analysis

Overview

The goal of this task is to provide persistence of stickies.

Task requirements

• The user should be able to persist annotation sets.

• Annotation sets are resources which can contain stickies, highlights and audio annotations. Currently only stickies are implemented.

• Annotation sets should be persisted in zip files, just like Sophie books are saved (which are resources too).

• "All annotations" palette should contain the following buttons:
  • Import Annotations...
    • When clicked, a file dialog for zip files is opened.
    • If the file is not a valid annotation set, an error message is displayed ("Invalid file.").
    • The annotation set is loaded in current book's window (not added in the book).
    • The annotation set is set as current for current book.
  • Export Annotations...
    • When clicked, a file dialog for zip files is opened.
    • If a file name is selected, current annotation set for current book is stored in the selected file.
    • If an error occurs, for example user wants to save on read-only media, an error message is displayed.

Task result

• Source code.

Implementation idea

• Create a FileDialogInput for zip files and use the DialogManager to display the dialog.

• Create a persister between AnnotationSet and Storage.
• Use ZipPackagePersister to persist between Storage and zip files.

Related

GROUP_ANNOTATIONS_R0

How to demo

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Design

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Implementation

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Testing

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Comments

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