Use ng select for multiselect

1 files changed, 58 insertions, 0 deletions

diff --git a/client/src/app/shared/shared-forms/select/select-channel.component.ts b/client/src/app/shared/shared-forms/select/select-channel.component.ts
new file mode 100644
index 000000000..1b0db9b6f
--- /dev/null
+++ b/client/src/app/shared/shared-forms/select/select-channel.component.ts
@@ -0,0 +1,58 @@
+import { Component, forwardRef, Input } from '@angular/core'
+import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms'
+import { Actor } from '@app/shared/shared-main/account/actor.model'
+
+export type SelectChannelItem = {
+  id: number
+  label: string
+  support: string
+  avatarPath?: string
+}
+
+@Component({
+  selector: 'my-select-channel',
+  styleUrls: [ './select-shared.component.scss' ],
+  templateUrl: './select-channel.component.html',
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => SelectChannelComponent),
+      multi: true
+    }
+  ]
+})
+export class SelectChannelComponent implements ControlValueAccessor {
+  @Input() items: SelectChannelItem[] = []
+
+  selectedId: number
+
+  // ng-select options
+  bindLabel = 'label'
+  bindValue = 'id'
+  clearable = false
+  searchable = false
+
+  get channels () {
+    return this.items.map(c => Object.assign(c, {
+      avatarPath: c.avatarPath ? c.avatarPath : Actor.GET_DEFAULT_AVATAR_URL()
+    }))
+  }
+
+  propagateChange = (_: any) => { /* empty */ }
+
+  writeValue (id: number) {
+    this.selectedId = id
+  }
+
+  registerOnChange (fn: (_: any) => void) {
+    this.propagateChange = fn
+  }
+
+  registerOnTouched () {
+    // Unused
+  }
+
+  onModelChange () {
+    this.propagateChange(this.selectedId)
+  }
+}