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* ACS-8745 handle row selection in process list * ACS-8745 add type to event emitter * ACS-8745 change type in docs * ACS-8745 review remarks - duplicated methods, redundant property * ACS-8745 review remarks - docs typo, unit tests
243 lines
8.2 KiB
Markdown
243 lines
8.2 KiB
Markdown
---
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Title: Process Instance List
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Added: v2.0.0
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Status: Active
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Last reviewed: 2019-01-16
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---
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# [Process Instance List](../../../lib/process-services/src/lib/process-list/components/process-list/process-list.component.ts "Defined in process-list.component.ts")
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Renders a list containing all the process instances matched by the parameters specified.
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## Contents
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- [Basic Usage](#basic-usage)
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- [Transclusions](#transclusions)
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- [Class members](#class-members)
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- [Properties](#properties)
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- [Events](#events)
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- [Details](#details)
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- [Setting Sorting Order for the list](#setting-sorting-order-for-the-list)
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- [Pagination strategy](#pagination-strategy)
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- [See also](#see-also)
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## Basic Usage
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**app.component.html**
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```html
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<adf-process-instance-list
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[appId]="'1'"
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[state]="'all'">
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</adf-process-instance-list>
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```
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### [Transclusions](../../user-guide/transclusion.md)
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Any content inside an `<adf-custom-empty-content>` sub-component will be shown
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when the process list is empty:
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```html
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<adf-process-instance-list>
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<adf-custom-empty-content>
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Your Content
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</adf-custom-empty-content>
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</adf-process-instance-list>
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```
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## Class members
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### Properties
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| Name | Type | Default value | Description |
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| ---- | ---- | ------------- | ----------- |
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| appId | `number` | | The id of the app. |
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| blurOnResize | `boolean` | true | Toggles blur when columns of the list are being resized. |
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| data | [`DataTableAdapter`](../../../lib/core/src/lib/datatable/data/datatable-adapter.ts) | | Data source to define the datatable. |
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| isResizingEnabled | `boolean` | false | Toggles column resizing for processes list. |
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| multiselect | `boolean` | false | Toggles multiple row selection, which renders checkboxes at the beginning of each row |
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| page | `number` | 0 | The page number of the processes to fetch. |
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| presetColumn | `string` | | Custom preset column schema in JSON format. |
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| processDefinitionId | `string` | | The Definition Id of the process. |
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| processInstanceId | `number \| string` | | The id of the process instance. |
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| resolverFn | `Function` | null | Resolver function is used to show dynamic complex column objects see the docs to learn how to configure a resolverFn. |
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| selectFirstRow | `boolean` | true | Toggles default selection of the first row |
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| selectionMode | `string` | "single" | Row selection mode. Can be none, `single` or `multiple`. For `multiple` mode, you can use Cmd (macOS) or Ctrl (Win) modifier key to toggle selection for multiple rows. |
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| showContextMenu | `boolean` | false | Toggles custom context menu for the component. |
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| size | `number` | | The number of processes to fetch in each page. |
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| sort | `string` | | Defines the sort ordering of the list. Possible values are `created-desc`, `created-asc`, `ended-desc`, `ended-asc`. |
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| state | `string` | | Defines the state of the processes. Possible values are `running`, `completed` and `all` |
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| stickyHeader | `boolean` | false | Toggles the sticky header mode. |
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### Events
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| Name | Type | Description |
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| ---- | ---- | ----------- |
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| error | [`EventEmitter`](https://angular.io/api/core/EventEmitter)`<any>` | Emitted when an error occurs while loading the list of process instances from the server. |
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| rowClick | [`EventEmitter`](https://angular.io/api/core/EventEmitter)`<string>` | Emitted when a row in the process list is clicked. |
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| showRowContextMenu | [`EventEmitter`](https://angular.io/api/core/EventEmitter)`<`[`DataCellEvent`](../../../lib/core/src/lib/datatable/components/data-cell.event.ts)`>` | Emitted before the context menu is displayed for a row. |
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| success | [`EventEmitter`](https://angular.io/api/core/EventEmitter)`<`[`ProcessListModel`](../../../lib/process-services/src/lib/process-list/models/process-list.model.ts)`>` | Emitted when the list of process instances has been loaded successfully from the server. |
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| rowsSelected | [`EventEmitter`](https://angular.io/api/core/EventEmitter)`<`[`ObjectDataRow[]`](../../../lib/core/src/lib/datatable/data/object-datarow.model.ts)`>` | Emmitted when rows are selected or unselected. |
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## Details
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The list can show any of the properties of the
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[`ProcessInstance`](../../../lib/process-services/src/lib/process-list/models/process-instance.model.ts)
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class. The example below shows how to define a custom schema for the list in the `app.config.json` file and access it with the `presetColumn` property:
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```json
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"adf-process-list": {
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"presets": {
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"customSchema": [
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{
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"key": "name",
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"type": "text",
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"title": "name",
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"sortable": true
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}],
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"default": [
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{
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"key": "name",
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"type": "text",
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"title": "name",
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"sortable": true
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}],
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}
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}
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```
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```html
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<adf-process-instance-list
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[appId]="'1'"
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[state]="'all'"
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[presetColumn]="'customSchema'">
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</adf-process-instance-list>
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```
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You can also define the schema in the HTML using the
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[Data column component](../../core/components/data-column.component.md). You can combine this with schema
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information defined in `app.config.json` as in the example below:
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```json
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"adf-process-list": {
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"presets": {
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"customSchema": [
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{
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"key": "id",
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"type": "text",
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"title": "Id",
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"sortable": true
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}],
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"default": [
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{
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"key": "name",
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"type": "text",
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"title": "name",
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"sortable": true
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}],
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}
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}
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```
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<!-- {% raw %} -->
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```html
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<adf-process-instance-list
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[appId]="'1'"
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[presetColumn]="'customSchema'">
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<data-columns>
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<data-column key="key" title="title" class="full-width name-column">
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<ng-template let-entry="$implicit">
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<div>{{entry.row.obj.assignee | fullName}}</div>
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</ng-template>
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</data-column>
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</data-columns>
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</adf-process-instance-list>
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```
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### Setting Sorting Order for the list
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you can pass sorting order as shown in the example below:
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```ts
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// Possible values are : `created-desc`, `created-asc`, `ended-desc`, `ended-asc` |
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let sortParam = 'created-desc';
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```
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```html
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<adf-process-instance-list
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[appId]="'1'"
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[sort]="sortParam">
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</adf-process-instance-list>
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```
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<!-- {% endraw %} -->
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### Pagination strategy
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The Process Instance List also supports pagination:
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```html
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<adf-process-instance-list
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[appId]="'1'"
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[page]="page"
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[size]="size"
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#processList>
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</adf-process-instance-list>
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<adf-pagination
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*ngIf="processList"
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[target]="processList"
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[supportedPageSizes]="supportedPages"
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#processListPagination>
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</adf-pagination>
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```
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#### showRowContextMenu event
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Emitted before the context menu is displayed for a row.
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Note that the [`ProcessInstanceListComponent`](../../../lib/process-services/src/lib/process-list/components/process-list/process-list.component.ts) itself does not populate the context menu with items. You can provide all necessary content via the handler.
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```html
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<adf-process-instance-list
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[contextMenu]="true"
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(showRowContextMenu)="onShowRowContextMenu($event)">
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</adf-process-instance-list>
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```
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Event properties:
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```ts
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value: {
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row: DataRow,
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col: DataColumn,
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actions: []
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}
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```
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Handler example:
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```ts
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onShowRowContextMenu(event: DataCellEvent) {
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event.value.actions = [
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{ title: 'Process List Context Menu' },
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{ ... }
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]
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}
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```
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This event is cancellable. You can use `event.preventDefault()` to prevent the default behavior.
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The ProcessInstanceList will automatically render the supplied menu items.
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See the [ContextMenu](https://www.npmjs.com/package/ng2-alfresco-core)
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documentation for more details on the format and behavior of context actions.
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## See also
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- [Data column component](../../core/components/data-column.component.md)
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- [Data Table Adapter interface](../../core/interfaces/datatable-adapter.interface.md)
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- [Pagination component](../../core/components/pagination.component.md)
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