Glamour problem. Presentations not being updated - Moose-dev

14 Sep 2011

Hi, 
I'm again working with glamour. 
I have this browser: 

buildBrowser 
	| browser |

	browser := GLMTabulator new 
		column: #list;
		column: #detail;
		yourself.

	browser transmit 
		to: #list;
		andShow: [ :presenter | 
			presenter list
				title: [ self crudClass description label ]; 
				act: [ self addItem ] 
					icon: LWUIIcons / #listAdd 
					entitled: 'Agregar'; 
				selectionAct:[ :presentation :anItem | self removeItem: anItem ] 
					icon: LWUIIcons / #userTrash 
					entitled: 'Borrar';
				updateOn: LWUIItemRemoved from: [ self announcer ];
				display: [ self itemsSortedIfNecessary ] ].

	browser transmit 
		to: #detail;
		from: #list;
		andShow: [ :presenter | 
			presenter magritte
				title: [ :anItem | anItem asString ];
				updateOn: LWUIItemRemoved from: [ self announcer ];
				act: [ :presentation :anItem | self removeItem: anItem ] 
					icon: LWUIIcons / #userTrash 
					entitled: 'Borrar' ].

	^browser

(don't take into account the spanish words :) )
the idea is this: I'm making a simple CRUD for some classes... and this is the
problem: 

1) when calling "removeItem", I update the list, and everything works fine...
but I removed an element from the list, so... selection shouldn't be valid anymore, 
and the magritte presentation should be erased... and this does not happens. 
2) I added the #updateOn:from: send to magritte presentation to see if something
happens... and no, it never receives the update :(

so... I think there is a need to fix both problems: list presentations should trigger
transmit update if selection no longer valid, and magritte presentation should react to
updates. 
Is that ok?

cheers,
Esteban