Issue 510 in moose-technology: Introduce Port>>transientValue:

Status: New
Owner: ----
Labels: Type-Enhancement Priority-Medium Component-Glamour

New issue 510 by [hidden email]: Introduce Port>>transientValue:
http://code.google.com/p/moose-technology/issues/detail?id=510

We should be able to set the value of a port only temporarily. This would  
be useful for triggering other transmissions. For example, to implement a  
search like behavior we could use the code from below. The problem is that  
if you press the search icon once, then change the selection manually, and  
then press the button again, the selection will not change because the  
#focusOne port did not change the value.

        |browser |
        browser := GLMTabulator new.
        browser act: [:b | (b pane port: #focusOne) value: 3 ] icon: MooseIcons  
mooseSearch entitled: 'Search'.
        browser column: #one; column: #two.
        browser transmit to: #one; andShow: [ :a |
                a tree
                        display: [:x | 1 to: x]].
        browser transmit to: #two; from: #one; andShow: [ :a |
                a tree
                        display: [:x | 1 to: x*2]].
        browser transmit to: #one port: #selection; fromOutsidePort: #focusOne.
        browser openOn: 3

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Comment #1 on issue 510 by [hidden email]: Introduce  
Port>>transientValue:
http://code.google.com/p/moose-technology/issues/detail?id=510

A possible more generic implementation could be to implement a  
Browser>>suspendTransmissionsWhile: [...].

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Updates:
        Owner: [hidden email]
        Labels: Milestone-4.4

Comment #2 on issue 510 by [hidden email]: Introduce  
Port>>transientValue:
http://code.google.com/p/moose-technology/issues/detail?id=510

Fixed. Using transientValue: in the search block solves the issue.

        |browser |
        browser := GLMTabulator new.
        browser act: [:b | (b pane port: #focusOne) transientValue: 3 ] icon:  
MooseIcons mooseSearch entitled: 'Search'.
        browser column: #one; column: #two.
        browser transmit to: #one; andShow: [ :a |
                a tree
                        display: [:x | 1 to: x]].
        browser transmit to: #two; from: #one; andShow: [ :a |
                a tree
                        display: [:x | 1 to: x*2]].
        browser transmit to: #one port: #selection; fromOutsidePort: #focusOne.
        browser openOn: 3

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Updates:
        Status: Fixed

Comment #3 on issue 510 by [hidden email]: Introduce  
Port>>transientValue:
http://code.google.com/p/moose-technology/issues/detail?id=510

(No comment was entered for this change.)

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