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Multilines input in chat form #3245

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Multilines input in chat form #3245

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afd7291
allow multilines textarea input
Mar 5, 2024
3d497bc
set multiline by default to false
Mar 5, 2024
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11 changes: 8 additions & 3 deletions src/framework/theme/components/chat/_chat.component.theme.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -266,10 +266,15 @@
flex-direction: row;
display: flex;
}

input {
textarea {
resize: none;
max-height: 15em;
height: auto;
overflow-y: auto;
}
input,
textarea {
flex: 1;

&.with-button {
border-bottom-right-radius: 0;
border-top-right-radius: 0;
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33 changes: 33 additions & 0 deletions src/framework/theme/components/chat/chat-form.component.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,25 @@ import { NbComponentOrCustomStatus } from '../component-status';
</ng-container>
</div>
<div class="message-row">
<textarea
*ngIf="multiline"
nbInput
fullWidth
[status]="getInputStatus()"
(focus)="inputFocus = true"
(blur)="inputFocus = false"
(mouseenter)="inputHover = true"
(mouseleave)="inputHover = false"
[(ngModel)]="message"
(input)="adjustTextareaHeight($event)"
rows="1"
(ngModelChange)="onModelChange($event)"
[class.with-button]="showButton"
placeholder="{{ fileOver ? dropFilePlaceholder : messagePlaceholder }}"
(keyup.enter)="sendMessage()"
></textarea>
<input
*ngIf="!multiline"
nbInput
fullWidth
[status]="getInputStatus()"
Expand Down Expand Up @@ -141,6 +159,12 @@ export class NbChatFormComponent {
*/
@Input() dropFilePlaceholder: string = 'Drop file to send';

/**
* Allow multiline input
* @type {boolean}
*/
@Input() multiline: boolean = false;

/**
*
* @type {EventEmitter<{ message: string, files: File[] }>}
Expand Down Expand Up @@ -252,4 +276,13 @@ export class NbChatFormComponent {
onModelChange(value: string): void {
this.onInputChange.emit(value);
}

adjustTextareaHeight(event: Event): void {
const textarea = event.target as HTMLTextAreaElement;
if (textarea) {
textarea.style.height = 'auto';
const computedHeight = textarea.scrollHeight;
textarea.style.height = computedHeight + 'px';
}
}
}