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Adding debounce attribute #85

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Adding debounce attribute #85

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aa752fc
Adding debounce attribute
shyamal890 Mar 4, 2018
295aa42
Minor change
shyamal890 Mar 4, 2018
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44 changes: 37 additions & 7 deletions medium-editor.directive.ts
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Original file line number Diff line number Diff line change
@@ -1,3 +1,7 @@
import 'rxjs/add/operator/debounceTime';
import 'rxjs/add/operator/distinctUntilChanged';
import 'rxjs/add/operator/takeUntil';
import {Subject} from "rxjs/Subject";
import {
Directive,
ElementRef,
Expand All @@ -19,7 +23,8 @@ import * as MediumEditor from 'medium-editor';
* <medium-editor
[(editorModel)]="textVar"
* [editorOptions]="{'toolbar': {'buttons': ['bold', 'italic', 'underline', 'h1', 'h2', 'h3']}}"
* [editorPlaceholder]="placeholderVar"></medium-editor>
* [editorPlaceholder]="placeholderVar"
* [debounce]="5000"></medium-editor>
*/
@Directive({
selector: 'medium-editor'
Expand All @@ -30,19 +35,23 @@ export class MediumEditorDirective implements OnInit, OnChanges, OnDestroy {
private element: HTMLElement;
private editor: any;
private active: boolean;

private inputEdited: EventEmitter<string> = new EventEmitter<string>();
private componentDestroyed$: Subject<boolean> = new Subject();

@Input('editorModel') model: any;
@Input('editorOptions') options: any;
@Input('editorPlaceholder') placeholder: string;
@Input('debounce') debounce: number;

@Output('editorModelChange') update = new EventEmitter();

constructor(private el: ElementRef) { }

ngOnInit() {
this.element = this.el.nativeElement;
this.element.innerHTML = '<div class="me-editable">' + this.model + '</div>';
this.element.innerHTML = '<div class="me-editable">' + (this.model == undefined ? '': this.model) + '</div>';
this.active = true;


if (this.placeholder && this.placeholder.length) {
this.options.placeholder = {
Expand All @@ -53,8 +62,29 @@ export class MediumEditorDirective implements OnInit, OnChanges, OnDestroy {
// Global MediumEditor
this.editor = new MediumEditor('.me-editable', this.options);
this.editor.subscribe('editableInput', (event, editable) => {
this.updateModel();
let value = this.editor.getContent();
value = value.replace(/&nbsp;/g, '').trim();
if(this.debounce != undefined){
this.inputEdited.emit(value);
}
else{
this.updateModel(value);
}
});
this.editor.subscribe('blur',()=>{
if(this.debounce == undefined){return;}
let value = this.editor.getContent();
value = value.replace(/&nbsp;/g, '').trim();
this.updateModel(value);
})

if(this.debounce != undefined){
this.inputEdited
.takeUntil(this.componentDestroyed$)
.distinctUntilChanged()
.debounceTime(this.debounce)
.subscribe(x=> this.updateModel(x));
}
}

refreshView() {
Expand All @@ -73,9 +103,7 @@ export class MediumEditorDirective implements OnInit, OnChanges, OnDestroy {
/**
* Emit updated model
*/
updateModel(): void {
let value = this.editor.getContent();
value = value.replace(/&nbsp;/g, '').trim();
updateModel(value:string): void {
this.lastViewModel = value;
this.update.emit(value);
}
Expand All @@ -85,6 +113,8 @@ export class MediumEditorDirective implements OnInit, OnChanges, OnDestroy {
*/
ngOnDestroy(): void {
this.editor.destroy();
this.componentDestroyed$.next(true);
this.componentDestroyed$.complete();
}

isPropertyUpdated(changes, viewModel) {
Expand Down