Instances of this class are used to browse the named display property instances.
The actual graphical representation is realized by using a PluggableCollectionMorph.
(Actually, this class serves as the model for the PluggableCollectionMorph).

	initialize-release
	asMorph initialize newMorph newMorphWithFileNamed:

	private
	add:requestor: checkFilenameAndSave:toFileNamed:overwrite: confirmSaveOnExistingFileName: defaultFileName: defaultFileNameSuffix defaultPath gotoActionRequestor:goto:matchSelector: instanceClass loadAndAddFromFileNamed:requestor: loadFromFileNamed: newCollection promptForFileNameInitialPath: promptForFileNameInitialPath:initialFile: save:on:named:

	testing
	isOpenInWorld:

	updating
	update: updateInstanceCollection

	view hooks
	addActionRequestor: balloonText:requestor: changeRequestor: copyActionRequestor: deleteActionRequestor: gotoActionRequestor: keyMorph:requestor: loadActionRequestor: menuActionRequestor: okayActionRequestor: resortRequestor: saveActionRequestor: saveAsActionRequestor: valueMorph:requestor:

	collection accessing	top
	add:
	isEmpty
	remove:
	removeAll
	size Primitive. Answer the number of indexable variables in the receiver. This value is the same as the largest legal subscript. Essential. See Object documentation whatIsAPrimitive.

	initialize-release	top
	asMorph
	initialize
	newMorph Create a new morph representing my contents. There can be many morphs representing the same contents without consistency problems
	newMorphWithFileNamed: Load the file named aString into the system and open a morph showing the files contents

	private	top
	add:requestor: Add a new object to the collection of all the instances
	checkFilenameAndSave:toFileNamed:overwrite:
	confirmSaveOnExistingFileName:
	defaultFileName:
	defaultFileNameSuffix
	defaultPath
	gotoActionRequestor:goto:matchSelector:
	instanceClass
	loadAndAddFromFileNamed:requestor:
	loadFromFileNamed: Load a new instance from a file
	newCollection
	promptForFileNameInitialPath:
	promptForFileNameInitialPath:initialFile:
	save:on:named:

	testing	top
	isOpenInWorld:

	updating	top
	update: Receive a change notice from an object of whom the receiver is a dependent. The default behavior is to do nothing; a subclass might want to change itself in some way.
	updateInstanceCollection Update the collection of all the named instances

	view hooks	top
	addActionRequestor:
	balloonText:requestor:
	changeRequestor:
	copyActionRequestor:
	deleteActionRequestor:
	gotoActionRequestor:
	keyMorph:requestor:
	loadActionRequestor:
	menuActionRequestor:
	okayActionRequestor:
	resortRequestor:
	saveActionRequestor:
	saveAsActionRequestor:
	valueMorph:requestor:

	instance creation	top
	new Answer a new instance of the receiver (which is a class) with no indexable variables. Fail if the class is indexable.