@memberjunction/ng-container-directives

Angular directives for container management in MemberJunction applications -- mjContainer for dynamic component loading via ViewContainerRef, and mjFillContainer for automatic element resizing to fill parent containers.

Overview

This package provides two essential layout directives. mjContainer exposes a ViewContainerRef for programmatic component creation. mjFillContainer automatically calculates and sets element dimensions based on the parent container, with context-aware behavior that skips resizing inside grids, hidden tabs, or elements marked with mjSkipResize.

graph TD
    A[ContainerDirectivesModule] --> B["mjContainer Directive"]
    A --> C["mjFillContainer Directive"]

    B --> B1["Exposes ViewContainerRef"]
    B --> B2["Dynamic Component Loading"]

    C --> C1["Auto Width/Height Calculation"]
    C --> C2["Window Resize Handling
    (dual debounce)"]
    C --> C3["MJGlobal Manual Resize Events"]
    C --> C4["Context-Aware Skipping
    (grids, hidden tabs, mjSkipResize)"]

    style A fill:#2d6a9f,stroke:#1a4971,color:#fff
    style B fill:#7c5295,stroke:#563a6b,color:#fff
    style C fill:#2d8659,stroke:#1a5c3a,color:#fff
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Installation

npm install @memberjunction/ng-container-directives
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Usage

Import the Module

import { ContainerDirectivesModule } from '@memberjunction/ng-container-directives';

@NgModule({
  imports: [ContainerDirectivesModule]
})
export class YourModule { }
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mjContainer

Exposes a ViewContainerRef for dynamic component loading:

<div mjContainer></div>
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import { Container } from '@memberjunction/ng-container-directives';

@Component({
  selector: 'app-dynamic-host',
  template: `<div mjContainer></div>`
})
export class DynamicHostComponent {
  @ViewChild(Container, { static: true }) container!: Container;

  ngOnInit() {
    const ref = this.container.viewContainerRef;
    // ref.createComponent(YourDynamicComponent);
  }
}
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mjFillContainer

Automatically resizes an element to fill its parent:

<!-- Fills both width and height (default) -->
<div mjFillContainer>Content</div>

<!-- Custom margins -->
<div mjFillContainer [fillWidth]="true" [fillHeight]="true" [rightMargin]="10" [bottomMargin]="20">
  Content with margins
</div>

<!-- Fill only width -->
<div mjFillContainer [fillWidth]="true" [fillHeight]="false">
  Content that fills width only
</div>
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Skipping Resize

<div mjSkipResize>This element will not be resized</div>
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Manual Resize Triggering

import { MJGlobal, MJEventType } from '@memberjunction/global';

MJGlobal.Instance.RaiseEvent({
  event: MJEventType.ManualResizeRequest,
  args: null
});
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Configuration

mjFillContainer Inputs

Static Properties

import { FillContainer } from '@memberjunction/ng-container-directives';

// Disable resize globally
FillContainer.DisableResize = true;

// Enable debug logging
FillContainer.OutputDebugInfo = true;
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How It Works

1. Parent detection: Identifies the nearest block-level parent element
2. Size calculation: Computes dimensions based on parent size, element position, and margins
3. Event handling: Listens for window resize (dual debounce: 100ms active, 500ms settled) and MJGlobal manual resize events
4. Context awareness: Automatically skips elements with mjSkipResize, elements inside grids (role="grid"), hidden tabs, or hidden/undisplayed parents

Dependencies

Peer Dependencies

• @angular/common ^21.x
• @angular/core ^21.x
• @angular/router ^21.x

Build

cd packages/Angular/Generic/container-directives
npm run build
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License

ISC