Drag and drop con columnas dinámicas

Clase 14 de 24 • Curso de Maquetación con Angular CDK y Tailwind CSS

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Cristian Danilo Motta Herrera

student•

¿no se le puede dar like a un video?

¡ este curso está genial !

Jose Armando Acevedo Angarita

student•

Lo puedes hacer cuando termines el curso

Ángel David Roque Ayala

student•

Customizar el scroll bar

En el archivo styles.scss

/* Agrega estilos personalizados para la barra de desplazamiento */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }
  
  ::-webkit-scrollbar-thumb {
    background-color: rgba(156, 163, 175, var(--tw-bg-opacity));
    border-radius: 4px;
  }
  
  ::-webkit-scrollbar-track {
    background-color: rgba(229, 231, 235, var(--tw-bg-opacity));
    border-radius: 4px;
  }
  
  /* Agrega un efecto hover a la barra de desplazamiento */
  ::-webkit-scrollbar-thumb:hover {
    background-color: rgba(107, 114, 128, var(--tw-bg-opacity));
  }

Camilo Alexander Arias Guerrero

student•

si quieren mover las listas pueden utilizar cdkDropListOrientation https://material.angular.io/cdk/drag-drop/overview#list-orientation.

Marco Astudillo

student•

Mi solución por si a alguien se le dificulta.

<div
  class="flex grow overflow-x-scroll h-full"
  cdkDropList
  cdkDropListOrientation="horizontal"
  (cdkDropListDropped)="dropHorizontal($event)"
>
  <div class="flex items-start w-full" cdkDropListGroup>
     <div
        cdkDrag
        class="rounded bg-gray-200 w-72 p-2 mr-3 
        shrink-0"
        *ngFor="let colum of columns"
     >

Alexis Duque

student•

Faltaba el código.

dropHorizontal (event: CdkDragDrop<Column[]>) {
    moveItemInArray(this.columns, event.previousIndex, event.currentIndex);
  }

Pablo Torres Pérez

student•

Les comparto como va mi solución del reto hasta el momento.

Acepto retroalimentación https://imgur.com/gallery/u520LTl

Darwin Rodríguez

student•

Hola, cómo lo resolviste?

Yo coloqué la directiva cdkDrap y en un nivel más arriba coloqué las otras directivas pero se rompe la estructura

Pablo Torres Pérez

student•

Hola, acabo de ver el comentario, jeje. Espero ya lo hayas resuelto. Si no, te cuento como lo resolví. Además del 'cdkDrag' que comentas en el div donde colocamos el *ngFor para las columnas, agregué un 'cdkDropList' al div padre donde colocamos 'cdkDropListGroup'. Finalmente, en ese mismo div, coloqué cdkDropListOrientation="horizontal" (cdkDropListDropped)="dropColumn($event)" Quedando así

<div
        cdkDropListGroup
        cdkDropList
        cdkDropListOrientation="horizontal"
        (cdkDropListDropped)="dropColumn($event)"
        [cdkDropListData]="this.columns"
        class="example-list overflow-hidden"
        class="flex items-start w-full h-full overflow-x-scroll scrollbar-thumb-rounded-full scrollbar-track-rounded-full scrollbar scrollbar-thumb-blue-200 scrollbar-track-blue-400"
      >
        <div
          class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0"
          *ngFor="let column of columns; let i=index;"
          (click)="getIndex(i)"
          cdkDrag
        >
          <div
            class="example-box flex flex-row cursor-move flex-grow"
            class="flex justify-between py-1"
          >
            <h3 class="text-sm font-bold ml-2">{{ column.title }}</h4>
            <button
              class="flex"
              aria-expanded="false"
              type="button"
              cdkOverlayOrigin
              #trigger="cdkOverlayOrigin"
              (click)="toggle(trigger)"
            >
              <fa-icon [icon]="faEllipsisH"></fa-icon>
            </button>
          </div>

          <div
            class="text-sm mt-2 min-h-[2.5rem]"
            cdkDropList
            (cdkDropListDropped)="drop($event)"
            [cdkDropListData]="column.todos"
          >
            <div
              (click)="openDialog(todo)"
              *ngFor="let todo of column.todos"
              cdkDrag
              class="bg-white shadow p-2 rounded mt-2 border-b border-x-gray-300 cursor-pointer hover:bg-gray-400"
            >
              {{ todo.title }}
            </div>
            <button (click)="addNewTask = !addNewTask">
              <fa-icon [icon]="faPlus">Añade una tarjeta</fa-icon>
            </button>
            <input
              class="w-full"
              type="text"
              placeholder="Introduzca un título para esta tarjeta"
              [formControl]="list"
              *ngIf="addNewTask && ni === i"
            />
            <!-- {{ ni == i }} -->
            <button
              class="w-4/12 mt-2 bg-sky-500 rounded-sm text-white"
              *ngIf="addNewTask && ni === i"
              (click)="addTask(column.todos)"
            >
              Agregar
            </button>
          </div>
        </div>
        <button
          (click)="addColumn()"
          class="bg-white rounded p-1 font-bold w-72 shrink-0"
        >
          + Columna
        </button>
      </div>

Y en el ts muy similar a lo visto en clase (por no decir que igual, jeje). Solo me falta trabajar un poco en el tipado del CdkDragDrop<any[]>

dropColumn(event: CdkDragDrop<any[]>) {
    console.log(event);
    if (event.previousContainer === event.container) {
      moveItemInArray(this.columns, event.previousIndex, event.currentIndex);
    } else {
      transferArrayItem(
        event.previousContainer.data,
        event.container.data,
        event.previousIndex,
        event.currentIndex
      )
    }
  }

Emilia Margarethe Ericksson

student•

comparto un poco de mi avance :)

José Nicolás Aristizabal Ramírez

student•

Así vamos ... excelente curso.

Diego Inostroza

student•

Si están usando la sintaxis de angular 17:

<div class="flex flex-col h-screen">
    <app-nav-bar></app-nav-bar>
    <div class="w-full grow bg-sky-600 px-4 pb-4">
      <div class="flex flex-col h-full">
        <div>
          <h2 class="text-xl font-bold text-white my-4">Demo Board</h3>
        </div>

        <div class="flex grow items-start w-full h-full overflow-x-scroll" cdkDropListGroup>
          @for (column of columns; track column) {
            <div class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0">
              <h3 class="text-sm font-bold ml-2"> {{column.title}} </h4>

              <div class="text-sm mt-2 min-h-[2.5rem]" cdkDropList (cdkDropListDropped)="drop($event)"
                  [cdkDropListData]="column.tasks">
                  @for (task of column.tasks; track task.id) {
                    <div
                        (click)="openDialog()"
                        cdkDrag
                        class="bg-white shadow p-2 rounded mt-2 border-b border-x-gray-300 cursor-pointer hover:bg-gray-400">
                          {{ task.title }}
                    </div>
                  }
              </div>
            </div>
          }
          <button (click)="addColumn()">Add Column</button>
        </div>
      </div>
    </div>
</div>

David Matias Casco Lobos

student•

Me está gustando mucho el curso

Diego Lozano

student•

Para conectar Overlays a elementos dinámicos pueden hacer lo siguiente: Declarar el trigger en .TS:

triggerOrigin: any;

Ese será la entrada de la propiedad 'cdkConnectedOverlayOrigin'

<ng-template cdkConnectedOverlay [cdkConnectedOverlayOrigin]="triggerOrigin"

Luego crean un método Toggle:

toggle(trigger: any) {
  this.triggerOrigin = trigger;
  this.isOpen = !this.isOpen
}

Luego tomamos el Toggle como parámetro pasándolo al template:

<button class="btn btn-primary" cdkOverlayOrigin #trigger="cdkOverlayOrigin" (click)="toggle(trigger)">Open overlay</button>
...
<div style="margin-top:100px">
  <button *ngFor="let btn of btns" cdkOverlayOrigin #trigger="cdkOverlayOrigin"
   (click)="toggle(trigger)">{{btn}}</button>
</div>

Y listo, ya tendrían su Overlay en elementos dinámicos.

Ángel David Roque Ayala

student•

Tenia problemas para agregar la directiva [cdkDropListConnectedTo] de forma dinamica, asi que lo solucione de la siguiente forma:

Ts:

Agregue una nueva propiedad a la interfaz

export interface Column {
    id: string;	
    title: string;
    todos: ToDo[];
}

y una vez agregado un id a cada columna agrege un getter para obtener la lista de los ids:

get columnsIds() {
    return this.columns.map(column => column.id);
  }

Y finalmente agregue cada id a cada elemento del dom y la directiva cdkDropListConnectedTo:

<div class="text-sm mt-2 min-h-[2.5rem]" cdkDropList
          (cdkDropListDropped)="drop($event)" [cdkDropListData]="column.todos" [id]="column.id"
          [cdkDropListConnectedTo]="columnsIds"
          >

Alberto Cruz

student•

Excelente! Gracias por el aporte

Max Andy Diaz Neyra

student•

Mi solucion para el desafio de mover las columnas en Angular 19:

import { Component, signal } from '@angular/core';
import { FormsModule } from '@angular/forms';
import {
  CdkDragDrop,
  CdkDrag,
  CdkDropList,
  moveItemInArray,
  CdkDropListGroup,
  transferArrayItem,
} from '@angular/cdk/drag-drop';
import { NavbarComponent } from '../../components/navbar/navbar.component';
import { Column, Todo } from '../../models/todo.model';

@Component({
  selector: 'app-board',
  imports: [
    CdkDrag,
    CdkDropList,
    CdkDropListGroup,
    NavbarComponent,
    FormsModule,
  ],
  templateUrl: './board.component.html',
  styles: [
    `
      /* Animate items as they're being sorted. */
      .cdk-drop-list-dragging .cdk-drag {
        transition: transform 250ms cubic-bezier(0, 0, 0.2, 1);
      }

      /* Animate an item that has been dropped. */
      .cdk-drag-animating {
        transition: transform 300ms cubic-bezier(0, 0, 0.2, 1);
      }
    `,
  ],
})
export class BoardComponent {
  newColumnName = signal('');
  newTodoName = signal('');
  isOpenFormColumn = signal(false);

  columns = signal<Column[]>([
    {
      title: 'To Do',
      todos: [
        {
          id: '1',
          title: 'Make dishes',
        },
        {
          id: '2',
          title: 'Buy a unicorn',
        },
      ],
    },
    {
      title: 'Doing',
      todos: [
        {
          id: '3',
          title: 'Watch Angular Path in Platzi',
        },
      ],
    },
    {
      title: 'Done',
      todos: [
        {
          id: '4',
          title: 'Play video games',
        },
      ],
    },
  ]);

  drop(event: CdkDragDrop<Todo[]>) {
    transferArrayItem(
      event.previousContainer.data,
      event.container.data,
      event.previousIndex,
      event.currentIndex,
    );
    // moveItemInArray(this.todos, event.previousIndex, event.currentIndex);
  }

  dropHorizontal(event: CdkDragDrop<Column[]>) {
    moveItemInArray(this.columns(), event.previousIndex, event.currentIndex);
  }

  addColumn() {
    this.columns.update((prev) => [
      ...prev,
      {
        title: this.newColumnName(),
        todos: [],
      },
    ]);
    this.newColumnName.set('');
  }

  openFormColum() {
    this.isOpenFormColumn.set(true);
  }

  closeFormColum() {
    this.isOpenFormColumn.set(false);
  }

  addTodo(title: string) {
    const index = this.columns().findIndex((column) => column.title === title);
    this.columns.update((prev) => {
      const newTodos: Todo[] = [
        ...prev[index].todos,
        {
          id: Math.random().toString(),
          title: this.newTodoName(),
        },
      ];
      prev[index].todos = newTodos;
      return prev;
    });
    this.newTodoName.set('');
    this.closeFormTodo(title);
  }

  openFormTodo(title: string) {
    this.columns.update((prev) =>
      prev.map((column) => {
        if (column.title === title) {
          column.isOpemFormCard = true;
          return column;
        }
        return column;
      }),
    );
  }

  closeFormTodo(title: string) {
    this.columns.update((prev) =>
      prev.map((column) => {
        if (column.title === title) {
          column.isOpemFormCard = false;
          return column;
        }
        return column;
      }),
    );
  }
}

Max Andy Diaz Neyra

student•

Aqui les dejo mi model:

export interface Todo {
  id: string;
  title: string;
}

export interface Column {
  title: string;
  todos: Todo[];
  isOpemFormCard?: boolean;
}

Max Andy Diaz Neyra

student•

Mi HTML:

<div class="flex flex-col h-screen">
  <app-navbar></app-navbar>
  <div class="w-full grow bg-sky-600 px-4 pb-4">
    <div class="flex flex-col h-full">
      <div>
        <h2 class="text-xl font-bold text-white my-4">Demo Board</h3>
      </div>
      <div
        class="flex grow items-start w-full h-full overflow-x-scroll"
        cdkDropListGroup
        cdkDropList
        (cdkDropListDropped)="dropHorizontal($event)"
        [cdkDropListData]="columns()"
        cdkDropListOrientation="horizontal"
      >
        @for (column of columns(); track column.title) {
          <div class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0" cdkDrag>
            <div class="flex justify-between py-1">
              <h3 class="text-sm font-bold ml-2">{{ column.title }}</h4>
            </div>
            <div
              class="text-sm py-2"
              cdkDropList
              (cdkDropListDropped)="drop($event)"
              [cdkDropListData]="column.todos"
            >
              @for (todo of column.todos; track todo.id) {
                <div
                  cdkDrag
                  class="bg-white shadow p-2 rounded mt-2 border-b border-x-gray-300 cursor-pointer hover:bg-gray-400"
                >
                  {{ todo.title }}
                </div>
              }
            </div>
            @if (column.isOpemFormCard) {
              <div
                class="flex flex-col bg-gray-200 py-1 shrink-0 rounded-lg space-y-2"
              >
                <input
                  type="text"
                  class="rounded-lg"
                  placeholder="New todo name"
                  [(ngModel)]="newTodoName"
                />
                <div>
                  <button
                    (click)="addTodo(column.title)"
                    class="px-2 py-1 text-gray-800 bg-sky-600 rounded-lg"
                  >
                    + Add card
                  </button>
                  <button
                    (click)="closeFormTodo(column.title)"
                    class="px-2 py-1 text-gray-500"
                  >
                    x
                  </button>
                </div>
              </div>
            } @else {
              <button
                (click)="openFormTodo(column.title)"
                class="px-2 py-1 text-gray-500"
              >
                + Add a card
              </button>
            }
          </div>
        }
        @if (isOpenFormColumn()) {
          <div
            class="flex flex-col w-72 px-1 bg-gray-200 py-1 shrink-0 mr-3 rounded-lg space-y-2"
          >
            <input
              type="text"
              class="rounded-lg"
              placeholder="New column name"
              [(ngModel)]="newColumnName"
            />
            <div>
              <button
                (click)="addColumn()"
                class="px-2 py-1 text-gray-800 bg-sky-600 rounded-lg"
              >
                + Add column
              </button>
              <button
                (click)="closeFormColum()"
                class="px-2 py-1 text-gray-500"
              >
                x
              </button>
            </div>
          </div>
        } @else {
          <button
            class="bg-gray-200 py-2 px-5 w-72 rounded-lg bg-opacity-45 shrink-0 text-left outline-none mr-3"
            (click)="openFormColum()"
          >
            + Add column
          </button>
        }
      </div>
    </div>
  </div>
</div>

Wilberk Ledezma

student•

Nicobytes, es uno de los mejores profesores en esta plataforma.

Adrian Lima

student•

Para los que esten usando Angular 17 con signals, asi fue como logre arrastrar las columnas entre si:

En el HTML coloqué los siguientes atributos:

cdkDropList
cdkDropListOrientation
cdkDropListDropped
cdkDropListData

No hay que olvidarnos que como nuestro "columns" es un signal, tenemos que subscribirnos a el "[cdkDropListData]="columns()""

Y en el div de cada columna es decir la que tiene la clase "rounded" coloqué el "cdkDrag"

<div
  class="flex grow items-start w-full h-full overflow-x-scroll"
  cdkDropListGroup
  cdkDropList 
  cdkDropListOrientation="horizontal"
  (cdkDropListDropped)="dropColumns($event)"
  [cdkDropListData]="columns"
>
  @for (column of columns(); track column) {
  <div class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0" cdkDrag>
    <div class="flex justify-between py-1">
      <h3 class="text-sm font-bold ml-2">{{ column.title }}</h4>
    </div>

```Por ultimo en el TypeScript simplemente cree la función dropColumns que mueve los arrays dentro de las columnas:



```js
dropColumns(event: CdkDragDrop<Column[]>) {
    moveItemInArray(event.container.data, event.previousIndex, event.currentIndex);
  }
```Recuerda que"columns" debe de ser un signal:

```ts
columns = signal<Column[]>([]);

addColumn() {
    this.columns.update((columns) => [...columns, {title: 'New Column', todos: []}])
  }
```Gracias :)

Elioenai Garcia

student•

Para resolver el reto de Drag&Drop horizontal, se pueden apoyar de la siguiente documentación, realmente no es muy complicado. Saludos 😉

https://material.angular.io/cdk/drag-drop/overview#cdk-drag-drop-horizontal-sorting

Emilio Nicolás Mendoza Patti

student•

Va quedando bien, lo que sigue es hacer las funcionalidades de Add card, rename list, delete list

Adrian Silva

student•

Mi solución a los retos: Para el scroll cree un component.scss:

/* Estilos para navegadores webkit */
/* Cambiar el color del pulgar y de la pista del scroll */
::-webkit-scrollbar-track {
  background-color: rgba(0, 0, 0, 0.11);
  border-radius: 10px;
}
::-webkit-scrollbar {
  width: 8px;
  background-color: gray;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.432);
  border-radius: 10px;
}

Para el input: En component.ts:

newTitle = new FormControl('');
  isAddingCol = false;

 addColumn(){
    if (this.isAddingCol === false){
      this.isAddingCol = true;
      // para el focus del input, se le asigna una vez ya este en pantalla
      setTimeout(() => {
        document.getElementById('newTitle')?.focus();
      }, 10);
    }else{
       this.columns.push({
      title: this.newTitle.value!,
      todos: [],
      })
    this.isAddingCol = false;
    this.newTitle.setValue("");
    }

  }

LUIS ANTONIO CALVO QUISPE

student•

Reto Cumplido!

En las respuestas les pasare el código …, si pueden mejorar algo, me gustaría que lo comentaran

LUIS ANTONIO CALVO QUISPE

student•

html

<div class="flex flex-col h-screen">
  <app-navbar></app-navbar>
  <div class="w-full grow bg-sky-600 px-4 pb-4">
    <div class="flex flex-col h-full">
      <div>
        <h2 class="text-xl font-bold text-white my-4">Demo Board</h3>
      </div>
      <div class="flex grow overflow-x-scroll h-full"
        cdkDropList cdkDropListOrientation="horizontal" (cdkDropListDropped)="dropHorizontal($event)">
        <div class="flex grow items-start w-full h-full overflow-x-scroll" cdkDropListGroup>
          <div class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0" *ngFor="let column of columns"
            cdkDrag>
            <div class="flex justify-between py-1 pr-2">
              <h3 class="text-sm font-bold ml-2">{{ column.title }}</h4>
                <button type="button"
                (click)="column.isOpenList = !column.isOpenList"
                cdkOverlayOrigin
                #overlayList="cdkOverlayOrigin">
                  <fa-icon [icon]="faEllipsis"></fa-icon>
                </button>
                <ng-template cdkConnectedOverlay [cdkConnectedOverlayOrigin]="overlayList" [cdkConnectedOverlayOpen]="column.isOpenList">
                  <div class="divide-y bg-white w-72 p-2 space-y-2">
                    <div class="flex justify-center relative">
                      <p>List Actions</p>
                      <button class="absolute right-0 mr-2" (click)="column.isOpenList = !column.isOpenList">
                        <fa-icon class="w-full" [icon]="faXmark"></fa-icon>
                      </button>
                    </div>
                    <div class="text-slate-700">
                      <p class="p-2">Add card...</p>
                      <p class="p-2">Copy list...</p>
                      <p class="p-2">Move list...</p>
                      <p class="p-2">Watch</p>
                    </div>
                    <div class="text-slate-700">
                      <p class="p-2">Sort by...</p>
                    </div>
                  </div>
                </ng-template>
            </div>
            <div class="text-sm mt-2 min-h-[2.5rem]" cdkDropList (cdkDropListDropped)="onDrop($event)" [cdkDropListData]="column.todos">
              <div
                *ngFor="let todo of column.todos"
                cdkDrag
                class="bg-white shadow p-2 rounded mt-2 border-b border-x-gray-300 cursor-pointer hover:bg-gray-400">
                {{ todo.title }}
              </div>
            </div>
            <cdk-accordion>
              <cdk-accordion-item #accordionAdd="cdkAccordionItem">
                <button class="w-full pt-3 pb-2 px-2 font-semibold text-slate-500 text-sm flex justify-between"
                  type="button"
                  [style.display]="accordionAdd.expanded ? 'none' : ''"
                  (click)="accordionAdd.toggle()">
                  + Add a card
                  <fa-icon [icon]="faImages"></fa-icon>
                </button>
                <div [style.display]="accordionAdd.expanded ? '' : 'none'">
                  <input class="w-full min-h-[5.0rem] p-2 mt-2 bg-white rounded border-b border-x-gray-300"
                  placeholder="Enter a title for this card ..."
                  [(ngModel)]="isNameTodo"/>
                  <div class="flex items-center justify-between mt-2">
                    <div class="flex space-x-4">
                      <app-btn [colorBtn]="'sky'" (click)="addTodo(column.title)" (click)="accordionAdd.toggle()">Add card</app-btn>
                      <button (click)="accordionAdd.toggle()">
                        <fa-icon class="w-full" [icon]="faXmark"></fa-icon>
                      </button>
                    </div>
                    <fa-icon class="mr-2" [icon]="faEllipsis"></fa-icon>
                  </div>
                </div>
              </cdk-accordion-item>
            </cdk-accordion>
          </div>
          <cdk-accordion>
            <cdk-accordion-item #accordionAddColumn="cdkAccordionItem">
              <button class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0 text-sm font-bold text-left"
                type="button"
                (click)="accordionAddColumn.toggle()"
                [style.display]="accordionAddColumn.expanded ? 'none' : ''">
                + Add Column
              </button>
              <div class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0"
                [style.display]="accordionAddColumn.expanded ? '' : 'none'">
                <input class="w-full min-h-[5.0rem] p-2 mt-2 bg-white rounded border-b border-x-gray-300"
                placeholder="Enter a title for this column ..."
                [(ngModel)]="isNameColumn"/>
                <div class="flex items-center justify-between mt-2">
                  <div class="flex space-x-4">
                    <app-btn [colorBtn]="'sky'" (click)="addColumn()" (click)="accordionAddColumn.toggle()">Add column</app-btn>
                    <button (click)="accordionAddColumn.toggle()">
                      <fa-icon class="w-full" [icon]="faXmark"></fa-icon>
                    </button>
                  </div>
                  <fa-icon class="mr-2" [icon]="faEllipsis"></fa-icon>
                </div>
              </div>
            </cdk-accordion-item>
          </cdk-accordion>
        </div>
      </div>
    </div>
  </div>
</div>

LUIS ANTONIO CALVO QUISPE

student•

import { Component } from '@angular/core';
import { faImages } from '@fortawesome/free-regular-svg-icons';
import { faEllipsis,faXmark } from '@fortawesome/free-solid-svg-icons';
import { CdkDragDrop, moveItemInArray, transferArrayItem } from '@angular/cdk/drag-drop';
import { Todo } from 'src/app/model/Todo.model';
import { Column } from 'src/app/model/Column.model';

@Component({
  selector: 'app-board',
  templateUrl: './board.component.html',
  styleUrls: ['./board.component.scss']
})
export class BoardComponent {

  faImages = faImages;
  faEllipsis = faEllipsis;
  faXmark = faXmark;

  // Auxiliar
  isOpenList = false;
  isNameTodo = '';
  isNameColumn = '';

  columns: Column[] = [
    {
      title: 'Todo',
      isOpenList: false,
      todos: [
        {
          id:'1',
          title:'Task 1'
        },
        {
          id:'2',
          title:'Task 2'
        },
        {
          id:'3',
          title:'Task 3'
        }
      ]
    },
    {
      title: 'Doing',
      isOpenList: false,
      todos: [
        {
          id:'4',
          title:'Task 4'
        },
        {
          id:'5',
          title:'Task 5'
        },
        {
          id:'6',
          title:'Task 6'
        }
      ]
    },
    {
      title: 'Done',
      isOpenList: false,
      todos: [
        {
          id:'7',
          title:'Task 7'
        },
        {
          id:'8',
          title:'Task 8'
        },
        {
          id:'9',
          title:'Task 9'
        }
      ]
    }
  ]

  onDrop(event: CdkDragDrop<any[]>){
    if (event.previousContainer === event.container) {
      moveItemInArray(event.container.data, event.previousIndex, event.currentIndex)
    } else {
      transferArrayItem(
        event.previousContainer.data,
        event.container.data,
        event.previousIndex,
        event.currentIndex
      )
    }
  }

  addColumn(){
    this.columns.push({
      title: this.isNameColumn,
      isOpenList: false,
      todos: []
    })
  }

  addTodo(columnCurrent: string){
    // Obtener el índice de la columna "Doing"
    const todoIndex = this.columns.findIndex(column => column.title === columnCurrent);

    let lastTodoId = '0'; // Inicializar el ID en '0'

    // Obtener el último ID dentro del arreglo de todos de la columna del todo, si es hay items
    if (this.columns[todoIndex].todos.length > 0) {
      lastTodoId = this.columns[todoIndex].todos[this.columns[todoIndex].todos.length - 1].id;
    }

    // Convertir el último ID en un número entero y sumarle 1
    const newId = parseInt(lastTodoId) + 1;

    // Crear un nuevo todo con el ID dinámico y el título ingresado
    const newTodo = { id: newId.toString(), title: this.isNameTodo };

    // Agregar el nuevo todo al arreglo de todos de la columna "Doing"
    console.log(newTodo);
    this.columns[todoIndex].todos.push(newTodo);
    this.isNameTodo = '';
  }

  dropHorizontal (event: CdkDragDrop<any[]>) {
    console.log('weii')
    moveItemInArray(this.columns, event.previousIndex, event.currentIndex);
  }

}

/* Agrega estilos personalizados para la barra de desplazamiento */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }
  
  ::-webkit-scrollbar-thumb {
    background-color: rgba(156, 163, 175, var(--tw-bg-opacity));
    border-radius: 4px;
  }
  
  ::-webkit-scrollbar-track {
    background-color: rgba(229, 231, 235, var(--tw-bg-opacity));
    border-radius: 4px;
  }
  
  /* Agrega un efecto hover a la barra de desplazamiento */
  ::-webkit-scrollbar-thumb:hover {
    background-color: rgba(107, 114, 128, var(--tw-bg-opacity));
  }

<div
  class="flex grow overflow-x-scroll h-full"
  cdkDropList
  cdkDropListOrientation="horizontal"
  (cdkDropListDropped)="dropHorizontal($event)"
>
  <div class="flex items-start w-full" cdkDropListGroup>
     <div
        cdkDrag
        class="rounded bg-gray-200 w-72 p-2 mr-3 
        shrink-0"
        *ngFor="let colum of columns"
     >

<div
        cdkDropListGroup
        cdkDropList
        cdkDropListOrientation="horizontal"
        (cdkDropListDropped)="dropColumn($event)"
        [cdkDropListData]="this.columns"
        class="example-list overflow-hidden"
        class="flex items-start w-full h-full overflow-x-scroll scrollbar-thumb-rounded-full scrollbar-track-rounded-full scrollbar scrollbar-thumb-blue-200 scrollbar-track-blue-400"
      >
        <div
          class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0"
          *ngFor="let column of columns; let i=index;"
          (click)="getIndex(i)"
          cdkDrag
        >
          <div
            class="example-box flex flex-row cursor-move flex-grow"
            class="flex justify-between py-1"
          >
            <h3 class="text-sm font-bold ml-2">{{ column.title }}</h4>
            <button
              class="flex"
              aria-expanded="false"
              type="button"
              cdkOverlayOrigin
              #trigger="cdkOverlayOrigin"
              (click)="toggle(trigger)"
            >
              <fa-icon [icon]="faEllipsisH"></fa-icon>
            </button>
          </div>

          <div
            class="text-sm mt-2 min-h-[2.5rem]"
            cdkDropList
            (cdkDropListDropped)="drop($event)"
            [cdkDropListData]="column.todos"
          >
            <div
              (click)="openDialog(todo)"
              *ngFor="let todo of column.todos"
              cdkDrag
              class="bg-white shadow p-2 rounded mt-2 border-b border-x-gray-300 cursor-pointer hover:bg-gray-400"
            >
              {{ todo.title }}
            </div>
            <button (click)="addNewTask = !addNewTask">
              <fa-icon [icon]="faPlus">Añade una tarjeta</fa-icon>
            </button>
            <input
              class="w-full"
              type="text"
              placeholder="Introduzca un título para esta tarjeta"
              [formControl]="list"
              *ngIf="addNewTask && ni === i"
            />
            <!-- {{ ni == i }} -->
            <button
              class="w-4/12 mt-2 bg-sky-500 rounded-sm text-white"
              *ngIf="addNewTask && ni === i"
              (click)="addTask(column.todos)"
            >
              Agregar
            </button>
          </div>
        </div>
        <button
          (click)="addColumn()"
          class="bg-white rounded p-1 font-bold w-72 shrink-0"
        >
          + Columna
        </button>
      </div>

dropColumn(event: CdkDragDrop<any[]>) {
    console.log(event);
    if (event.previousContainer === event.container) {
      moveItemInArray(this.columns, event.previousIndex, event.currentIndex);
    } else {
      transferArrayItem(
        event.previousContainer.data,
        event.container.data,
        event.previousIndex,
        event.currentIndex
      )
    }
  }

<div class="flex flex-col h-screen">
    <app-nav-bar></app-nav-bar>
    <div class="w-full grow bg-sky-600 px-4 pb-4">
      <div class="flex flex-col h-full">
        <div>
          <h2 class="text-xl font-bold text-white my-4">Demo Board</h3>
        </div>

        <div class="flex grow items-start w-full h-full overflow-x-scroll" cdkDropListGroup>
          @for (column of columns; track column) {
            <div class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0">
              <h3 class="text-sm font-bold ml-2"> {{column.title}} </h4>

              <div class="text-sm mt-2 min-h-[2.5rem]" cdkDropList (cdkDropListDropped)="drop($event)"
                  [cdkDropListData]="column.tasks">
                  @for (task of column.tasks; track task.id) {
                    <div
                        (click)="openDialog()"
                        cdkDrag
                        class="bg-white shadow p-2 rounded mt-2 border-b border-x-gray-300 cursor-pointer hover:bg-gray-400">
                          {{ task.title }}
                    </div>
                  }
              </div>
            </div>
          }
          <button (click)="addColumn()">Add Column</button>
        </div>
      </div>
    </div>
</div>

<button class="btn btn-primary" cdkOverlayOrigin #trigger="cdkOverlayOrigin" (click)="toggle(trigger)">Open overlay</button>
...
<div style="margin-top:100px">
  <button *ngFor="let btn of btns" cdkOverlayOrigin #trigger="cdkOverlayOrigin"
   (click)="toggle(trigger)">{{btn}}</button>
</div>

<div class="text-sm mt-2 min-h-[2.5rem]" cdkDropList
          (cdkDropListDropped)="drop($event)" [cdkDropListData]="column.todos" [id]="column.id"
          [cdkDropListConnectedTo]="columnsIds"
          >

import { Component, signal } from '@angular/core';
import { FormsModule } from '@angular/forms';
import {
  CdkDragDrop,
  CdkDrag,
  CdkDropList,
  moveItemInArray,
  CdkDropListGroup,
  transferArrayItem,
} from '@angular/cdk/drag-drop';
import { NavbarComponent } from '../../components/navbar/navbar.component';
import { Column, Todo } from '../../models/todo.model';

@Component({
  selector: 'app-board',
  imports: [
    CdkDrag,
    CdkDropList,
    CdkDropListGroup,
    NavbarComponent,
    FormsModule,
  ],
  templateUrl: './board.component.html',
  styles: [
    `
      /* Animate items as they're being sorted. */
      .cdk-drop-list-dragging .cdk-drag {
        transition: transform 250ms cubic-bezier(0, 0, 0.2, 1);
      }

      /* Animate an item that has been dropped. */
      .cdk-drag-animating {
        transition: transform 300ms cubic-bezier(0, 0, 0.2, 1);
      }
    `,
  ],
})
export class BoardComponent {
  newColumnName = signal('');
  newTodoName = signal('');
  isOpenFormColumn = signal(false);

  columns = signal<Column[]>([
    {
      title: 'To Do',
      todos: [
        {
          id: '1',
          title: 'Make dishes',
        },
        {
          id: '2',
          title: 'Buy a unicorn',
        },
      ],
    },
    {
      title: 'Doing',
      todos: [
        {
          id: '3',
          title: 'Watch Angular Path in Platzi',
        },
      ],
    },
    {
      title: 'Done',
      todos: [
        {
          id: '4',
          title: 'Play video games',
        },
      ],
    },
  ]);

  drop(event: CdkDragDrop<Todo[]>) {
    transferArrayItem(
      event.previousContainer.data,
      event.container.data,
      event.previousIndex,
      event.currentIndex,
    );
    // moveItemInArray(this.todos, event.previousIndex, event.currentIndex);
  }

  dropHorizontal(event: CdkDragDrop<Column[]>) {
    moveItemInArray(this.columns(), event.previousIndex, event.currentIndex);
  }

  addColumn() {
    this.columns.update((prev) => [
      ...prev,
      {
        title: this.newColumnName(),
        todos: [],
      },
    ]);
    this.newColumnName.set('');
  }

  openFormColum() {
    this.isOpenFormColumn.set(true);
  }

  closeFormColum() {
    this.isOpenFormColumn.set(false);
  }

  addTodo(title: string) {
    const index = this.columns().findIndex((column) => column.title === title);
    this.columns.update((prev) => {
      const newTodos: Todo[] = [
        ...prev[index].todos,
        {
          id: Math.random().toString(),
          title: this.newTodoName(),
        },
      ];
      prev[index].todos = newTodos;
      return prev;
    });
    this.newTodoName.set('');
    this.closeFormTodo(title);
  }

  openFormTodo(title: string) {
    this.columns.update((prev) =>
      prev.map((column) => {
        if (column.title === title) {
          column.isOpemFormCard = true;
          return column;
        }
        return column;
      }),
    );
  }

  closeFormTodo(title: string) {
    this.columns.update((prev) =>
      prev.map((column) => {
        if (column.title === title) {
          column.isOpemFormCard = false;
          return column;
        }
        return column;
      }),
    );
  }
}

<div class="flex flex-col h-screen">
  <app-navbar></app-navbar>
  <div class="w-full grow bg-sky-600 px-4 pb-4">
    <div class="flex flex-col h-full">
      <div>
        <h2 class="text-xl font-bold text-white my-4">Demo Board</h3>
      </div>
      <div
        class="flex grow items-start w-full h-full overflow-x-scroll"
        cdkDropListGroup
        cdkDropList
        (cdkDropListDropped)="dropHorizontal($event)"
        [cdkDropListData]="columns()"
        cdkDropListOrientation="horizontal"
      >
        @for (column of columns(); track column.title) {
          <div class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0" cdkDrag>
            <div class="flex justify-between py-1">
              <h3 class="text-sm font-bold ml-2">{{ column.title }}</h4>
            </div>
            <div
              class="text-sm py-2"
              cdkDropList
              (cdkDropListDropped)="drop($event)"
              [cdkDropListData]="column.todos"
            >
              @for (todo of column.todos; track todo.id) {
                <div
                  cdkDrag
                  class="bg-white shadow p-2 rounded mt-2 border-b border-x-gray-300 cursor-pointer hover:bg-gray-400"
                >
                  {{ todo.title }}
                </div>
              }
            </div>
            @if (column.isOpemFormCard) {
              <div
                class="flex flex-col bg-gray-200 py-1 shrink-0 rounded-lg space-y-2"
              >
                <input
                  type="text"
                  class="rounded-lg"
                  placeholder="New todo name"
                  [(ngModel)]="newTodoName"
                />
                <div>
                  <button
                    (click)="addTodo(column.title)"
                    class="px-2 py-1 text-gray-800 bg-sky-600 rounded-lg"
                  >
                    + Add card
                  </button>
                  <button
                    (click)="closeFormTodo(column.title)"
                    class="px-2 py-1 text-gray-500"
                  >
                    x
                  </button>
                </div>
              </div>
            } @else {
              <button
                (click)="openFormTodo(column.title)"
                class="px-2 py-1 text-gray-500"
              >
                + Add a card
              </button>
            }
          </div>
        }
        @if (isOpenFormColumn()) {
          <div
            class="flex flex-col w-72 px-1 bg-gray-200 py-1 shrink-0 mr-3 rounded-lg space-y-2"
          >
            <input
              type="text"
              class="rounded-lg"
              placeholder="New column name"
              [(ngModel)]="newColumnName"
            />
            <div>
              <button
                (click)="addColumn()"
                class="px-2 py-1 text-gray-800 bg-sky-600 rounded-lg"
              >
                + Add column
              </button>
              <button
                (click)="closeFormColum()"
                class="px-2 py-1 text-gray-500"
              >
                x
              </button>
            </div>
          </div>
        } @else {
          <button
            class="bg-gray-200 py-2 px-5 w-72 rounded-lg bg-opacity-45 shrink-0 text-left outline-none mr-3"
            (click)="openFormColum()"
          >
            + Add column
          </button>
        }
      </div>
    </div>
  </div>
</div>

<div
  class="flex grow items-start w-full h-full overflow-x-scroll"
  cdkDropListGroup
  cdkDropList 
  cdkDropListOrientation="horizontal"
  (cdkDropListDropped)="dropColumns($event)"
  [cdkDropListData]="columns"
>
  @for (column of columns(); track column) {
  <div class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0" cdkDrag>
    <div class="flex justify-between py-1">
      <h3 class="text-sm font-bold ml-2">{{ column.title }}</h4>
    </div>

```Por ultimo en el TypeScript simplemente cree la función dropColumns que mueve los arrays dentro de las columnas:



```js
dropColumns(event: CdkDragDrop<Column[]>) {
    moveItemInArray(event.container.data, event.previousIndex, event.currentIndex);
  }
```Recuerda que"columns" debe de ser un signal:

```ts
columns = signal<Column[]>([]);

addColumn() {
    this.columns.update((columns) => [...columns, {title: 'New Column', todos: []}])
  }
```Gracias :)

/* Estilos para navegadores webkit */
/* Cambiar el color del pulgar y de la pista del scroll */
::-webkit-scrollbar-track {
  background-color: rgba(0, 0, 0, 0.11);
  border-radius: 10px;
}
::-webkit-scrollbar {
  width: 8px;
  background-color: gray;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.432);
  border-radius: 10px;
}

newTitle = new FormControl('');
  isAddingCol = false;

 addColumn(){
    if (this.isAddingCol === false){
      this.isAddingCol = true;
      // para el focus del input, se le asigna una vez ya este en pantalla
      setTimeout(() => {
        document.getElementById('newTitle')?.focus();
      }, 10);
    }else{
       this.columns.push({
      title: this.newTitle.value!,
      todos: [],
      })
    this.isAddingCol = false;
    this.newTitle.setValue("");
    }

  }

<div class="flex flex-col h-screen">
  <app-navbar></app-navbar>
  <div class="w-full grow bg-sky-600 px-4 pb-4">
    <div class="flex flex-col h-full">
      <div>
        <h2 class="text-xl font-bold text-white my-4">Demo Board</h3>
      </div>
      <div class="flex grow overflow-x-scroll h-full"
        cdkDropList cdkDropListOrientation="horizontal" (cdkDropListDropped)="dropHorizontal($event)">
        <div class="flex grow items-start w-full h-full overflow-x-scroll" cdkDropListGroup>
          <div class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0" *ngFor="let column of columns"
            cdkDrag>
            <div class="flex justify-between py-1 pr-2">
              <h3 class="text-sm font-bold ml-2">{{ column.title }}</h4>
                <button type="button"
                (click)="column.isOpenList = !column.isOpenList"
                cdkOverlayOrigin
                #overlayList="cdkOverlayOrigin">
                  <fa-icon [icon]="faEllipsis"></fa-icon>
                </button>
                <ng-template cdkConnectedOverlay [cdkConnectedOverlayOrigin]="overlayList" [cdkConnectedOverlayOpen]="column.isOpenList">
                  <div class="divide-y bg-white w-72 p-2 space-y-2">
                    <div class="flex justify-center relative">
                      <p>List Actions</p>
                      <button class="absolute right-0 mr-2" (click)="column.isOpenList = !column.isOpenList">
                        <fa-icon class="w-full" [icon]="faXmark"></fa-icon>
                      </button>
                    </div>
                    <div class="text-slate-700">
                      <p class="p-2">Add card...</p>
                      <p class="p-2">Copy list...</p>
                      <p class="p-2">Move list...</p>
                      <p class="p-2">Watch</p>
                    </div>
                    <div class="text-slate-700">
                      <p class="p-2">Sort by...</p>
                    </div>
                  </div>
                </ng-template>
            </div>
            <div class="text-sm mt-2 min-h-[2.5rem]" cdkDropList (cdkDropListDropped)="onDrop($event)" [cdkDropListData]="column.todos">
              <div
                *ngFor="let todo of column.todos"
                cdkDrag
                class="bg-white shadow p-2 rounded mt-2 border-b border-x-gray-300 cursor-pointer hover:bg-gray-400">
                {{ todo.title }}
              </div>
            </div>
            <cdk-accordion>
              <cdk-accordion-item #accordionAdd="cdkAccordionItem">
                <button class="w-full pt-3 pb-2 px-2 font-semibold text-slate-500 text-sm flex justify-between"
                  type="button"
                  [style.display]="accordionAdd.expanded ? 'none' : ''"
                  (click)="accordionAdd.toggle()">
                  + Add a card
                  <fa-icon [icon]="faImages"></fa-icon>
                </button>
                <div [style.display]="accordionAdd.expanded ? '' : 'none'">
                  <input class="w-full min-h-[5.0rem] p-2 mt-2 bg-white rounded border-b border-x-gray-300"
                  placeholder="Enter a title for this card ..."
                  [(ngModel)]="isNameTodo"/>
                  <div class="flex items-center justify-between mt-2">
                    <div class="flex space-x-4">
                      <app-btn [colorBtn]="'sky'" (click)="addTodo(column.title)" (click)="accordionAdd.toggle()">Add card</app-btn>
                      <button (click)="accordionAdd.toggle()">
                        <fa-icon class="w-full" [icon]="faXmark"></fa-icon>
                      </button>
                    </div>
                    <fa-icon class="mr-2" [icon]="faEllipsis"></fa-icon>
                  </div>
                </div>
              </cdk-accordion-item>
            </cdk-accordion>
          </div>
          <cdk-accordion>
            <cdk-accordion-item #accordionAddColumn="cdkAccordionItem">
              <button class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0 text-sm font-bold text-left"
                type="button"
                (click)="accordionAddColumn.toggle()"
                [style.display]="accordionAddColumn.expanded ? 'none' : ''">
                + Add Column
              </button>
              <div class="rounded bg-gray-200 w-72 p-2 mr-3 shrink-0"
                [style.display]="accordionAddColumn.expanded ? '' : 'none'">
                <input class="w-full min-h-[5.0rem] p-2 mt-2 bg-white rounded border-b border-x-gray-300"
                placeholder="Enter a title for this column ..."
                [(ngModel)]="isNameColumn"/>
                <div class="flex items-center justify-between mt-2">
                  <div class="flex space-x-4">
                    <app-btn [colorBtn]="'sky'" (click)="addColumn()" (click)="accordionAddColumn.toggle()">Add column</app-btn>
                    <button (click)="accordionAddColumn.toggle()">
                      <fa-icon class="w-full" [icon]="faXmark"></fa-icon>
                    </button>
                  </div>
                  <fa-icon class="mr-2" [icon]="faEllipsis"></fa-icon>
                </div>
              </div>
            </cdk-accordion-item>
          </cdk-accordion>
        </div>
      </div>
    </div>
  </div>
</div>

import { Component } from '@angular/core';
import { faImages } from '@fortawesome/free-regular-svg-icons';
import { faEllipsis,faXmark } from '@fortawesome/free-solid-svg-icons';
import { CdkDragDrop, moveItemInArray, transferArrayItem } from '@angular/cdk/drag-drop';
import { Todo } from 'src/app/model/Todo.model';
import { Column } from 'src/app/model/Column.model';

@Component({
  selector: 'app-board',
  templateUrl: './board.component.html',
  styleUrls: ['./board.component.scss']
})
export class BoardComponent {

  faImages = faImages;
  faEllipsis = faEllipsis;
  faXmark = faXmark;

  // Auxiliar
  isOpenList = false;
  isNameTodo = '';
  isNameColumn = '';

  columns: Column[] = [
    {
      title: 'Todo',
      isOpenList: false,
      todos: [
        {
          id:'1',
          title:'Task 1'
        },
        {
          id:'2',
          title:'Task 2'
        },
        {
          id:'3',
          title:'Task 3'
        }
      ]
    },
    {
      title: 'Doing',
      isOpenList: false,
      todos: [
        {
          id:'4',
          title:'Task 4'
        },
        {
          id:'5',
          title:'Task 5'
        },
        {
          id:'6',
          title:'Task 6'
        }
      ]
    },
    {
      title: 'Done',
      isOpenList: false,
      todos: [
        {
          id:'7',
          title:'Task 7'
        },
        {
          id:'8',
          title:'Task 8'
        },
        {
          id:'9',
          title:'Task 9'
        }
      ]
    }
  ]

  onDrop(event: CdkDragDrop<any[]>){
    if (event.previousContainer === event.container) {
      moveItemInArray(event.container.data, event.previousIndex, event.currentIndex)
    } else {
      transferArrayItem(
        event.previousContainer.data,
        event.container.data,
        event.previousIndex,
        event.currentIndex
      )
    }
  }

  addColumn(){
    this.columns.push({
      title: this.isNameColumn,
      isOpenList: false,
      todos: []
    })
  }

  addTodo(columnCurrent: string){
    // Obtener el índice de la columna "Doing"
    const todoIndex = this.columns.findIndex(column => column.title === columnCurrent);

    let lastTodoId = '0'; // Inicializar el ID en '0'

    // Obtener el último ID dentro del arreglo de todos de la columna del todo, si es hay items
    if (this.columns[todoIndex].todos.length > 0) {
      lastTodoId = this.columns[todoIndex].todos[this.columns[todoIndex].todos.length - 1].id;
    }

    // Convertir el último ID en un número entero y sumarle 1
    const newId = parseInt(lastTodoId) + 1;

    // Crear un nuevo todo con el ID dinámico y el título ingresado
    const newTodo = { id: newId.toString(), title: this.isNameTodo };

    // Agregar el nuevo todo al arreglo de todos de la columna "Doing"
    console.log(newTodo);
    this.columns[todoIndex].todos.push(newTodo);
    this.isNameTodo = '';
  }

  dropHorizontal (event: CdkDragDrop<any[]>) {
    console.log('weii')
    moveItemInArray(this.columns, event.previousIndex, event.currentIndex);
  }

}

Drag and drop con columnas dinámicas

Introducción

¿Qué es el Angular CDK?

Instalando Angular CDK y TailwindCSS

Maquetando con Tailwind

Maquetando la página de login con Tailwind

Maquetando formularios con Tailwind

Componente de botón reutilizable

Reto: colores y propiedades dinámicas

Componentes interactivos con Angular CDK

Creando Overlays

Múltiples Overlays

Iconos en Angular con Font Awesome

Creando acordeones

Acordeones dinámicos

Drag and drop

Drag and drop con ordenamiento

Drag and drop con transferencia entre columnas

Drag and drop con columnas dinámicas

Modales y listas

Modales y diálogos

Modales recibiendo información

Listas con scroll

Listas con virtual scrolling

Table CDK

Tablas

Estilos en Tablas

Usando un DataSource en Tablas

Tablas con filtros y debounce

Próximos pasos para completar el Clon de Trello

Mejoras en UX y reusabilidad

Toma el Curso de Autenticación con Angular