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fix(material/list): emit selectionChange event when selecting with ctrl + a #20667

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crisbeto
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Fixes that we weren't emitting the selectionChange event when the user toggles all options with the ctrl + a shortcut. Also replaces MatSelectionListChange.option with options which is an array of all options that were changed by the current event.

Fixes #15696.

@crisbeto crisbeto added P3 An issue that is relevant to core functions, but does not impede progress. Important, but not urgent target: patch This PR is targeted for the next patch release labels Sep 28, 2020
@googlebot googlebot added the cla: yes PR author has agreed to Google's Contributor License Agreement label Sep 28, 2020
@crisbeto crisbeto force-pushed the 15696/selection-list-change-event branch from 025328e to 303aa9f Compare September 28, 2020 12:24
*/
public option: MatListOption,
/** Reference to the options that have been changed. */
public options: MatListOption[]) {}
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If we wanted to avoid this future breaking change, we could also emit one event per selected option like we do in mat-select. I decided not to do it, because the mat-select behavior feels broken.

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LGTM

@jelbourn jelbourn added the action: merge The PR is ready for merge by the caretaker label Sep 28, 2020
…rl + a

Fixes that we weren't emitting the `selectionChange` event when the user toggles all
options with the ctrl + a shortcut. Also replaces `MatSelectionListChange.option` with
`options` which is an array of all options that were changed by the current event.

Fixes angular#15696.
@crisbeto crisbeto force-pushed the 15696/selection-list-change-event branch from 303aa9f to 7df08e5 Compare October 2, 2020 08:49
@wagnermaciel wagnermaciel merged commit 628b5e9 into angular:master Oct 7, 2020
wagnermaciel pushed a commit that referenced this pull request Oct 7, 2020
…rl + a (#20667)

Fixes that we weren't emitting the `selectionChange` event when the user toggles all
options with the ctrl + a shortcut. Also replaces `MatSelectionListChange.option` with
`options` which is an array of all options that were changed by the current event.

Fixes #15696.

(cherry picked from commit 628b5e9)
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action: merge The PR is ready for merge by the caretaker cla: yes PR author has agreed to Google's Contributor License Agreement P3 An issue that is relevant to core functions, but does not impede progress. Important, but not urgent target: patch This PR is targeted for the next patch release
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mat-selection-list: selectAll and deselectAll methods should trigger selectionChange event
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