client/src/app/shared/shared-main/buttons/action-dropdown.component.ts

   1 import { ChangeDetectionStrategy, Component, Input } from '@angular/core'
   2 import { Params } from '@angular/router'
   3 import { GlobalIconName } from '@app/shared/shared-icons'
   4
   5 export type DropdownAction<T> = {
   6   label?: string
   7   iconName?: GlobalIconName
   8   description?: string
   9   title?: string
  10   handler?: (a: T) => any
  11
  12   linkBuilder?: (a: T) => (string | number)[]
  13   queryParamsBuilder?: (a: T) => Params
  14
  15   isDisplayed?: (a: T) => boolean
  16
  17   class?: string[]
  18   isHeader?: boolean
  19 }
  20
  21 export type DropdownButtonSize = 'normal' | 'small'
  22 export type DropdownTheme = 'orange' | 'grey'
  23 export type DropdownDirection = 'horizontal' | 'vertical'
  24
  25 @Component({
  26   selector: 'my-action-dropdown',
  27   styleUrls: [ './action-dropdown.component.scss' ],
  28   templateUrl: './action-dropdown.component.html',
  29   changeDetection: ChangeDetectionStrategy.OnPush
  30 })
  31
  32 export class ActionDropdownComponent<T> {
  33   @Input() actions: DropdownAction<T>[] | DropdownAction<T>[][] = []
  34   @Input() entry: T
  35
  36   @Input() placement = 'bottom-left auto'
  37   @Input() container: null | 'body'
  38
  39   @Input() buttonSize: DropdownButtonSize = 'normal'
  40   @Input() buttonDirection: DropdownDirection = 'horizontal'
  41   @Input() buttonStyled = true
  42
  43   @Input() label: string
  44   @Input() theme: DropdownTheme = 'grey'
  45
  46   getActions (): DropdownAction<T>[][] {
  47     if (this.actions.length !== 0 && Array.isArray(this.actions[0])) return this.actions as DropdownAction<T>[][]
  48
  49     return [ this.actions as DropdownAction<T>[] ]
  50   }
  51
  52   getQueryParams (action: DropdownAction<T>, entry: T) {
  53     if (action.queryParamsBuilder) return action.queryParamsBuilder(entry)
  54
  55     return {}
  56   }
  57
  58   areActionsDisplayed (actions: (DropdownAction<T> | DropdownAction<T>[])[], entry: T): boolean {
  59     return actions.some(a => {
  60       if (Array.isArray(a)) return this.areActionsDisplayed(a, entry)
  61
  62       return a.isHeader !== true && (a.isDisplayed === undefined || a.isDisplayed(entry))
  63     })
  64   }
  65 }