angular - Angular2 - CKEditor use

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angular - Angular2 - CKEditor use

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

angular - Angular2 - CKEditor use

How could I use ckeditor with Angular2 component?

Doing something like:

import {Component} from 'angular2/core'

@Component({
  selector: 'e',
  template: `
  <textarea name="editor1" id="editor1" rows="10" cols="80">
      This is my textarea to be replaced with CKEditor.
  </textarea>
  <script>
      CKEDITOR.replace( 'editor1' );
  </script>
  `
})

export class E {

}

and printing it in index.html like:

<html>
  <head>
    <title>Hello</title>
    <script src="../ckeditor/ckeditor.js"></script>
    <script src="../systemjs/dist/system.src.js"></script>
    <script src="../es6-shim/es6-shim.js"></script>
    <script src="../angular2/bundles/angular2-polyfills.js"></script>
    <script src="../rxjs/bundles/Rx.js"></script>
    <script src="../angular2/bundles/angular2.dev.js"></script>
    <script src="../angular2/bundles/router.dev.js"></script>
    <script src="../angular2/bundles/http.dev.js"></script>
    <script src="http://fgnass.github.io/spin.js/spin.min.js"></script>
    <script>
      System.config({
        packages: {
          compiled: {
              format: 'register',
              defaultExtension: 'js'
          }
        }
      });
      System.import('../compiled/boot')
            .then(null, console.error.bind(console));
    </script>
  </head>
  <body>
    Hackathon incoming!
    <e>Loading...</e>
  </body>
</html>

doesn't work. It works good when I put all the textarea with script code in index.html but I really want to have it in component template. It's like the ckeditor doesn't see the textarea ID when it is in component.

How can I make ckeditor plugin working good with Angular2 component? Thank you

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1 Answer

深蓝 · Answer 1 · 2021-10-23T21:42:59+0000

Don't add the script to your template. use this instead

import {Component} from 'angular2/core'

declare const window: any;

@Component({
  selector: 'e',
  template: `
     <textarea name="editor1" id="editor1" rows="10" cols="80">
         This is my textarea to be replaced with CKEditor.
     </textarea>
  `
})
export class E {
    constructor(){}
    ngOnInit(){
       if(window.CKEDITOR) {
           window.CKEDITOR.replace('editor1');
       }
    }
}

UPDATE:

Check angular2 lifecycle hooks, and since the components are javascript you can execute any script code from inside your component.

A better way,

implement a CKEDITOR component that will be used like this

<CKEditor [targetId]="editor1" [rows]="10" [cols]="80"> </CKEditor>

ckeditor.component.ts

import {Component, Input} from 'angular2/core';

declare const window: any;

@Component({
  selector: 'CKEditor',
  template: `
     <textarea name="targetId" id="targetId" rows="rows" cols="cols">
         This is my CKEditor component.
     </textarea>
  `
})
export class CKEditorComponent {

    @Input() targetId;
    @Input() rows = 10;  //you can also give default values here
    @Input() cols;     

    constructor(){}

    ngOnInit(){
       if(window.CKEDITOR) {
           window.CKEDITOR.replace('editor1');
       }
    }
}

The best way,

Get the typescript definition file for CKEditor, I found it here. Add it to your project, after that you will be able to use the library.

this is only for illustrating, not tested.

import * as CKEDITOR from 'CKEDITOR/PATH';   
.
.
ngOnInit(){
   CKEDITOR.replace( targetId );
}

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angular - Angular2 - CKEditor use

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