Add support for shortcut files

[gave92]

This PR adds support for shortcut files (".lnk", ".url")
Related issue: #177

What works

• Listing shortcuts with thumbnail
• Opening file shortcuts
• Navigating to destination when opening a shortcut to a folder (also open in new tab/window)
• Deleting shortcuts (but can't send to recycle bin)
• Copy/Move shortcut files
• Renaming shortcuts
• Dropping a file inside a folder shortcut

What doesn't work

• Drag shortcuts --> I have no clue how to make this work

What's missing

• Properties window could allow to edit shortcuts
• Creating new shortcuts (from context menu)
• Share a .url file as link
• A decent icon on lnk/url files --> thanks @xpoppyx!

Edit

@duke7553 We are now using 3 separate methods for supporting all file operations:

• StorageFile API
• UWP ***FromApp methods
• Win32 functions in the fulltrust process

This leads to a bit of complication, also the ItemViewModel starts to look a bit messy/hackish. What do you think?
Btw have you already made some progress on #632?

[jaigak]

@gave92 You can't share a shortcut file even in Explorer but for .URL files we could share the link of the shortcut.

[jaigak]

Is it possible to create new shortcut files with this PR?

[gave92]

@Jaiganeshkumaran I have yet to look into creating new shortcuts, currently you can only view and use existing ones. Ideally you should be able to create new shortcuts and edit existing ones in the Property window.

[jaigak]

@gave92 Don't share anything for LNK files since they mostly contain a local path and sharing it doesn't make sense unless the path is accessible from other PCs. Only share the link for URL files.

[gave92]

@Jaiganeshkumaran now you can create shortcuts to files and folders from right-click context menu :)

[jaigak]

Can you create a shortcut from a selected folder? Please add an option to create shortcut from selected folder.

[gave92]

@Jaiganeshkumaran yes you can already do that 👍

[gave92]

Would you consider something like this for the Property windows?

[lukeblevins]

@gave92 Sorry I couldn't get to this one earlier.

To answer your questions:

• We would not want to use a TabView for Static navigation. A Pivot-like control is probably more suited for this scenario.
• Our goal is to switch over to exclusively use the *FromApp methods for File operations, which I haven't got around to yet.

Thank you for your work on this.

[yaira2]

Would you consider something like this for the Property windows?

As @duke7553 mentioned, we would probably want to use something like a horizontal navigation menu here.

[gave92]

@yaichenbaum So something like Pivot or horizontal NavigationView correct?

[yaira2]

@yaichenbaum So something like Pivot or horizontal NavigationView correct?

If I recall correctly, it's recommended to use the NavigationView over the Pivot control.

[gave92]

@xpoppyx Thanks for the feedback, I can confirm that at the moment ".url" files won't display the proper icon :/

[gave92]

@xpoppyx should be fixed, note that it will be the hash of the shortcut target and not of the shortcut itself

[jaigak]

• Is it okay to display the type as "Ink File" instead of "Shortcut (.Ink)"?

No, it's not. Not everyone knows what the INK extension means.

[gave92]

@xpoppyx most of your notes should now be fixed:

• icon proposal --> done! (option 2)
• in "Shortcut" tab, for exe files it should display as "Application" type instead of just "file" --> done!
• in "General" tab, the type does not display correctly in my language: --> done (needs resource translation/only for shortcuts)
• Is it okay to display the type as "Ink File" instead of "Shortcut (.Ink)"? --> done (needs resource translation)

Edit: getting the icon for ".url" files appears to be a bit complicated.. only the fulltrust process can get it (the same applies if you set a custom icon for the shortcut). I'll need to think on this.

[tsvietOK]

Can you increase Properties window height from 475 to 550?

[tsvietOK]

Disable MD5 has calculation for link item, as it is hash of the real file, not the link file.

[tsvietOK]

@gave92 Why did you remove "Created" and "Accessed" fields for link files?

[gave92]

@tsvietOK both were of the link target and not of the link itself (same as the md5 hash).
I'll see if I can get them for the link edit: now the shown date it's correct.

[tsvietOK]

Is it possible to don't display link file extension independently from "Show file extension" setting?