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2 lis 2020 · An optgroup can't be made selectable. Only mat-option can be selected. But we can use a workaround by keeping all items in the select as mat-options and add some custom style to differentiate groups.
9 paź 2019 · Angular Material provides mat-optgroup element to group common options under a subheading in mat-select element. The name for a group is set using label property of mat-optgroup.
The <mat-optgroup> element can be used to group common options under a subheading. The name of the group can be set using the label property of <mat-optgroup>. Like individual <mat-option> elements, an entire <mat-optgroup> can be disabled or enabled by setting the disabled property on the group.
20 wrz 2018 · I want to add the button "select all" and "deselect all" to a mat-select with groups division. My code is available here: https://stackblitz.com/edit/angular5-selectall-with-groups?file=app/se...
mat-option can be collected into groups using the mat-optgroup element: < mat-autocomplete # auto = "matAutocomplete" > < mat-optgroup * ngFor = "let group of filteredGroups | async" [label]= "group.name" > < mat-option * ngFor = "let option of group.options" [value]= "option" > {{ option.name }} </ mat-option > </ mat-optgroup > </ mat ...
The <mat-optgroup> element can be used to group common options under a subheading. The name of the group can be set using the label property of <mat-optgroup> . Like individual <mat-option> elements, an entire <mat-optgroup> can be disabled or enabled by setting the disabled property on the group.
import {MatOptionParentComponent, MAT_OPTION_PARENT_COMPONENT} from './option-parent'; // Notes on the accessibility pattern used for `mat-optgroup`. // The option group has two different "modes": regular and inert.
