Package Exports

angular2-dynamic-component
angular2-dynamic-component/index

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Readme

angular2-dynamic-component

The implementation of dynamic component wrapper at Angular2.

Installation

First you need to install the npm module:

npm install angular2-dynamic-component --save

Use case #1

ButtonsToolbar.html

<template ngFor let-button [ngForOf]="buttons">
  <ButtonsToolbarPlaceholder [componentType]="button.type" [buttonName]="button.name">
  </ButtonsToolbarPlaceholder>
</template>

ButtonsToolbar.ts

export interface ButtonType {
    name:string;
    type:{new ():IButton};
}

@Component({
    selector: 'ButtonsToolbar',
    template: require('./ButtonsToolbar.html'),
    directives: [
        ButtonsToolbarPlaceholder
    ],
})
export class ButtonsToolbar {

    buttons:Array<ButtonType> = [
        {
            name: 'GreenButtonName',
            type: GreenButton
        },
        {
            name: 'RedButtonName',
            type: RedButton
        }
    ];
}

ButtonsToolbarPlaceholder.ts

import {DynamicComponentFactory, DynamicComponent} from 'angular2-dynamic-component';

import {IButton} from './IButton';
import {ButtonType} from './ButtonsToolbar';

class ButtonsToolbarComponent extends DynamicComponent {

    constructor(public selector:string = 'ButtonsToolbarPlaceholder') {
        super();
    }
}

@Component(new ButtonsToolbarComponent())
export class ButtonsToolbarPlaceholder extends DynamicComponentFactory<IButton> implements IButton {

    @Input() buttonName:string;
    @Input() componentType:{new ():IButton};
    
    protected destroyWrapper:boolean;

    constructor(...) {
        super(element, viewContainer, componentResolver, reflector, http);
        
        this.destroyWrapper = true;  // remove placeholder after,  because the component is not reset, and the data are not changed
    }
}

IButton.ts

export interface IButton {
    buttonName:string;
}

GreenButton.ts

@Component({
    selector: 'GreenButton',
    template: '<span style="color: green; width: 50px; border: 1px solid black; padding: 6px; margin: 6px;">The first button with name: {{ buttonName }}</span>',
})
export class GreenButton implements IButton {

    @Input() public buttonName:string;
}

RedButton.ts

@Component({
    selector: 'RedButton',
    template: '<span style="color: red; width: 50px; border: 1px solid black; padding: 6px; margin: 6px;">The second button with name: {{ buttonName }}</span>',
})
export class RedButton implements IButton {
    @Input() public buttonName:string;
}

Preview Preview

Use case #2. Using the "componentTemplate" attribute input

app.ts

import {DynamicComponentFactory} from 'angular2-dynamic-component';

@Component({directives: [DynamicComponentFactory]})
class App {
    private componentTemplate:string = '<input type="text" style="color: green; width: 100px;" [(ngModel)]="model" (ngModelChange)="onChange($event)"/>';
}

app.html

<DynamicComponent [componentTemplate]="componentTemplate">
</DynamicComponent>

Use case #3. Using the "componentMetaData" attribute input

app.ts

import {DynamicComponentFactory} from 'angular2-dynamic-component';

@Component({directives: [DynamicComponentFactory]})
class App {
    public getDynamicMetaData():IComponentMetadata {
        return {
           ...
        };
    }
}

app.html

<DynamicComponent [componentMetaData]="getDynamicMetaData()">
</DynamicComponent>

Use case #4. Using the "componentTemplateUrl" attribute input

app.ts

import {DynamicComponentFactory} from 'angular2-dynamic-component';

@Component({directives: [DynamicComponentFactory]})
class App {}

app.html

<DynamicComponent [componentTemplateUrl]="http://www.yandex.ru">
</DynamicComponent>

Publish

npm run deploy

License

Licensed under MIT.