Support using temporary attachments to upload images

xwikisas / application-diagram

Create various types of diagrams using draw.io

GNU Lesser General Public License v2.1

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Closed surli closed 5 months ago

surli commented 5 months ago

Provide a new method in xwiki-utils called temporaryUploadAttachment inspired from AttachmentSelector code in XS
- Provide a new configuration in DiagramSheet to know if temporary upload is supported or not
- Use the proper upload method in DiagramEditSheet based on the configuration

Fixes #252