Subject locator previews

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Wandora's Traditional topic panel views subject locator resources if the View subject locators option is enabled. The menu option is available at View > Traditional w ... > View subject locators. Also, right to the subject locator field is an icon button toggle to switch subject locator previews on and off. Wandora doesn't view subject locator resources by default.

When subject locator preview is enabled, Wandora checks if there is a valid subject locator URI and tries to figure out mimetype for the subject locator resource. Wandora supports both external resources and internal data URI resources. Once the mimetype is resolved, Wandora chooses a viewer for the resource and initializes the viewer.

Supported preview formats

Wandora selects a viewer for the subject locator resouce using resources mimetype. At the moment Wandora has a viewer for images, videos, web pages etc. Next table lists all viewers and supported formats (2015-11-13).

Mimetype(s)	File extension(s)	Handler	Description and notes
audio/midi application/x-midi	mid midi rmf	AudioMidi	Midi audio player.
audio/x-flac	flac	AudioFlac	Flac audio player.
audio/ogg application/ogg	ogg ogx	AudioOgg	Ogg Vorbis audio player.
audio/x-sidtune audio/sidtune audio/x-psid audio/psid audio/prs.sid audio/x-sid	sid	AudioSid	Sid tune audio player. See also The High Voltage SID Collection
audio/mod audio/xm audio/wow audio/it audio/stm audio/s3m audio/xm	mod wow it stm s3m xm	AudioMod	Mod audio player.
audio/x-wav audio/x-aiff audio/basic	wav aif au	AudioWav	Basic audio sample player for wav and aiff files.
audio/mpeg audio/x-mpeg-3 audio/mpeg3	mp3	AudioMP3v2	Audio MP3 player.
image/*	gif jpg jpeg tif tiff png	Image	Image viewer. Even though the viewer captures all image mimetypes, viewer supports only image types supported by Java.
application/pdf	pdf	ApplicationPDF	PDF viewer.
text/rtf application/rtf	rtf	TextRTF	RTF viewer.
text/html	html htm	TextHTML	General web viewer.
application/xml text/xml	xml	ApplicationXML	General XML viewer.
text/*	txt text asm asp bat c ....	Text	General text viewer that captures all text type mimetypes and many text file formats.
application/x-zmachine application/x-zmachine-1 application/x-zmachine-2 application/x-zmachine-3 application/x-zmachine-4 application/x-zmachine-5 application/x-zmachine-6 application/x-zmachine-7 application/x-zmachine-8 application/x-blorb	z1 z2 z3 z4 z5 z6 z7 z8 zblorb zlb	ApplicationZMachine	Viewer runs interactive fiction files in Z machine format and the user can play the games. Viewer is based on Z-Machine Preservation Project (ZMPP) created by Wei-ju Wu. Wandora fork is avalable in GitHub as a separate project.

Values in Handler column are Java classes in package org.wandora.application.gui.previews.formats.