IPHistoryModelDirective

Selector

The selector for this directive is:

[ipHistoryModel]

Properties:

• ngControl?: NgControl: The host control element to watch.
• historyHostDirective?: EmailBuilderHistoryHostDirective: The history host element.

Methods:

• ngOnInit(): void: Angular lifecycle method. Subscribes to changes on the ngControl value and triggers the detectChanges method on the historyHostDirective.
• ngOnDestroy(): void: Angular lifecycle method. Cleans up any subscriptions made during the component’s lifecycle.

Usage:

The IPHistoryModelDirective directive is used to track changes made to a form control and add them to the history manager.

To use the directive, add the [ipHistoryModel] attribute to the form control element and provide a EmailBuilderHistoryHostDirective instance to the historyHostDirective property.

Usage example:

<form>
  <input type="text" [(ngModel)]="myValue" [ipHistoryModel]="historyHostDirective" />
</form>

<!-- Add this directive to a parent element of the form -->
<div ipEmailBuilderHistoryHost #historyHostDirective="ipEmailBuilderHistoryHost">
  ...
</div>