Hello

This is a follow up message on the thread
http://forum.world.st/Dropping-a-morph-gives-me-a-funny-menu-td4939787.html


Dropping a ttf file gives the dialog box attached below.

I probably do not want to edit a TrueType font file but rather prefer
to have a 'cancel' button instead.

-- Hannes





Details
======

The method used is #chooseServiceFrom: [1]


ExternalDropHandler chooseServiceFrom:


 chooseServiceFrom: aCollection
	"private - choose a service from aCollection asking the user if  needed"
	^aCollection size = 1
		ifTrue: [aCollection anyOne]
		ifFalse:[UIManager default
			chooseFrom: (aCollection collect:[:each| each label])
			values: aCollection
			title: 'You dropped a file. Please choose a service:' translated withCRs].


aCollection contains a list of FileServices classes. These are classes
which implement #fileReaderServicesForFile:suffix: [2].

BTW there are only a few ExternalDropHandler instances. Most cases are
handled by a file service "external" to the "ExternalDropHandler".



References
----------------

[1] http://wiki.squeak.org/squeak/4283 ExternalDropHandler
[2] http://wiki.squeak.org/squeak/1005 List of classes which provide
file reader services
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