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96 lines
2.6 KiB
Markdown
96 lines
2.6 KiB
Markdown
---
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Added: v2.0.0
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Status: Active
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---
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# Document Actions service
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Implements the document menu actions for the Document List component.
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## Methods
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- `getHandler(key: string): ContentActionHandler`
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Gets the handler for an action.
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- `key` - Identifier of the action
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- `setHandler(key: string, handler: ContentActionHandler): boolean`
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Sets a new handler for an action.
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- `key` - Identifier of the action
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- `handler` - Handler for the action
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- `canExecuteAction(obj: any): boolean`
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Checks if actions can be executed for an item.
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- `obj` - Item to receive an action
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## Details
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This service implements the built-in actions that can be applied to a document
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shown in a [Document List component](document-list.component.md): **delete**,
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**download**, **copy** and **move** (see the
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[Content Action component](content-action.component.md) for further details and examples
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of these menu items). However, you can also use the service to add extra actions or
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replace the built-in ones with your own implementation.
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### Registering an action
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In the example below, a custom handler called `my-handler` is registered with the service.
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This action will invoke the `myDocumentActionHandler` function each time it is selected
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from the Document List menu.
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```ts
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import { DocumentActionsService } from '@alfresco/adf-content-services';
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export class MyView {
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constructor(documentActions: DocumentActionsService) {
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documentActions.setHandler(
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'my-handler',
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this.myDocumentActionHandler.bind(this)
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);
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}
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myDocumentActionHandler(obj: any) {
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window.alert('my custom action handler');
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}
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}
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```
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The action can then be used from the component in the usual way:
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```html
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<adf-document-list ...>
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<content-actions>
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<content-action
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target="document"
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title="My action"
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handler="my-handler">
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</content-action>
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</content-actions>
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</adf-document-list>
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```
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You can also override a built-in handler (eg, 'download') with your own function:
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```ts
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export class MyView {
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constructor(documentActions: DocumentActionsService) {
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documentActions.setHandler(
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'download',
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this.customDownloadBehavior.bind(this)
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);
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}
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customDownloadBehavior(obj: any) {
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window.alert('my custom download behavior');
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}
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}
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```
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You will probably want to set up all your custom actions at the application root level or
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with a custom application service.
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## See also
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- [Content action component](content-action.component.md)
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- [Folder actions service](folder-actions.service.md)
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