#	CheckOutActive - Check the active window out for modification
#
#	Usage:	Called by a userÐdefined menu item
#
#	CheckOutActive uses the ProjectInfo command to determine the
#	parent project for the file open as the Active window. Once this
#	project has been determined, the file open as the Active window
#	can be properly checked out.
#
#	© Apple Computer, Inc. 1988
#	All rights reserved.

Set Exit 0
Set error 0
Begin

	#	First see if the active window belongs to a project. Then
	#	find the name of the parent project.
	
	(Set info "`ProjectInfo "{Active}"`" || Set error 1)
	Evaluate "{info}" =~ /Å,[0-9a-z.]+([¶+¶*])¨1 +Å/
	Evaluate "{info}" =~ /ÅProject: (ź)¨2 +Checked outÅ/
	If {error} ­ 0 || "{info}" == ""
		Alert "¶"{Active}¶" canÕt be checked out because ¶
it doesnÕt belong to a project."
		Exit 0 
	End
	
	#	Find out if the active window is checked out for modification.

	Echo "'{¨1}'"
	If "'{¨1}'" == "'+'"
		Alert "¶"{Active}¶" canÕt be checked out again because ¶
it already IS checked out for modification."
		Exit 0 
	Else If "'{¨1}'" == "'*'"
		Alert "¶"{Active}¶" canÕt be checked out again because ¶
it IS a modified read-only file."
		Exit 0 
	End
	
	#	Is the right project mounted?
	
	(Set info "`ProjectInfo "{¨2}"`" || Set error 1)
	If "{info}" == ""
		Alert "¶"{Active}¶" canÕt be checked out because the project ¶
¶"{¨2}¶" is not mounted."
		Exit 0 
	End

	#	Request a comment before we check the file out. It is still possible
	#	that the checkout will fail because the lastest revision on the trunk
	#	is already checked out for modification by someone else.

	(Set comment "`Request -d "{Task}" "What changes will you make?" || Set error {Status}`")
	If {error} == 0
		If "{comment}" ­ ""
			Checkout -cs "{comment}" -c -m -project "{¨2}" "{Active}"
		Else
			Checkout -c -m -project "{¨2}" "{Active}"
		End
		If {Status} ­ 0
			Alert "¶"{Active}¶" has already been checked out by someone else."
			Exit 0 
		End
	End

End · dev:null