Numerin/machine.py at main · devperez08/Numerin · GitHub

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import streamlit as st
import streamlit.components.v1 as components

st.set_page_config(page_title="Máquina Matemática", layout="wide")

st.title("🤖 La Máquina Matemática")
st.write("¡Aprende a sumar y restar arrastrando cajas a la máquina!")

# Controls for the machine
col1, col2 = st.columns([1, 2])
with col1:
    machine_value = st.number_input("Valor de la Máquina (+)", min_value=1, max_value=10, value=3, step=1)
    initial_boxes = st.number_input("Cajas Disponibles Iniciales", min_value=1, max_value=20, value=5, step=1)

with col2:
    st.info(f"💡 **Instrucciones Avanzadas**\n"
            f"- **Múltiples cajas**: Haz clic sobre las cajas para seleccionar varias a la vez (se pondrán naranjas).\n"
            f"- **Suma**: Arrastra tu grupo de la Izquierda a la Máquina. ¡Se le sumarán {machine_value} al total del grupo!\n"
            f"- **Resta (Inversa)**: Arrastra cajas del Resultado a la Máquina. ¡La máquina absorberá {machine_value} cajas y devolverá el resto a la izquierda!\n"
            f"- Límite del resultado derecho: Mínimo 0, Máximo 10.")

# HTML/JS for the drag-and-drop Component
html_code = f"""
<!DOCTYPE html>
<html>
<head>
<style>
  body {{
    font-family: 'Comic Sans MS', 'Inter', sans-serif;
    user-select: none;
    margin: 0;
    padding: 20px;
    background-color: #f0f8ff;
    border-radius: 15px;
    box-sizing: border-box;
  }}
  .container {{
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 20px;
    min-height: 350px;
  }}
  .zone {{
    flex: 1;
    border: 4px dashed #ccc;
    border-radius: 15px;
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 10px;
    background-color: white;
    min-height: 250px;
    position: relative;
    padding-bottom: 40px; /* Space for the counter */
  }}
  .zone h3 {{
    width: 100%;
    text-align: center;
    margin-top: 0;
    color: #333;
    font-size: 1.2rem;
  }}
  #left-zone {{
    border-color: #4CAF50;
    background-color: #e8f5e9;
  }}
  #machine-zone {{
    border-color: #ff9800;
    background-color: #fff3e0;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    transition: transform 0.2s, background-color 0.2s;
  }}
  #machine-zone.dragover {{
    background-color: #ffe0b2;
    transform: scale(1.05);
  }}
  #right-zone {{
    border-color: #2196F3;
    background-color: #e3f2fd;
  }}
  .box {{
    width: 50px;
    height: 50px;
    background-color: #8bc34a;
    border: 3px solid #558b2f;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: white;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.1s, background-color 0.2s;
  }}
  .box:hover {{
    transform: translateY(-2px);
  }}
  .box.selected {{
    background-color: #ff9800;
    border-color: #e65100;
    transform: scale(1.1);
    box-shadow: 0 6px 12px rgba(255, 152, 0, 0.4);
  }}
  .ghost {{
    opacity: 0.3;
  }}
  .machine-img {{
    font-size: 70px;
    margin-bottom: 5px;
  }}
  .machine-value {{
    font-size: 26px;
    font-weight: bold;
    color: #e65100;
    background: white;
    padding: 5px 20px;
    border-radius: 20px;
    border: 2px solid #ff9800;
    margin-top: 10px;
  }}
  .count-badge {{
    position: absolute;
    bottom: 15px;
    right: 15px;
    font-size: 22px;
    font-weight: bold;
    color: #555;
    background: rgba(255,255,255,0.9);
    padding: 5px 15px;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  }}
  .alert-msg {{
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #f44336;
    color: white;
    padding: 15px 30px;
    border-radius: 10px;
    font-size: 18px;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  }}
  .zone-instruction {{
    width: 100%;
    text-align: center;
    font-size: 12px;
    color: #666;
    margin-bottom: 10px;
  }}
</style>
</head>
<body>

<div class="alert-msg" id="alert">Mensaje</div>

<div class="container">
  <div id="left-zone" class="zone">
    <h3>Disponibles</h3>
    <div class="zone-instruction">Haz clic para seleccionar varias</div>
    <!-- Las cajas se renderizan aquí -->
    <div class="count-badge" id="left-count">0</div>
  </div>

  <div id="machine-zone" class="zone" ondragover="allowDrop(event)" ondragleave="dragLeave(event)" ondrop="drop(event)">
    <h3>Máquina</h3>
    <div class="machine-img">⚙️🤖</div>
    <div class="machine-value">+{machine_value}</div>
  </div>

  <div id="right-zone" class="zone">
    <h3>Resultado</h3>
    <div class="zone-instruction">Arrastra de regreso para restar</div>
    <!-- Las cajas de resultado se renderizan aquí -->
    <div class="count-badge" id="right-count">0</div>
  </div>
</div>

<script>
  let machineValue = parseInt("{machine_value}");
  let currentLeftBoxes = parseInt("{initial_boxes}");
  let currentRightBoxes = 0;

  const MAX_RESULT_BOXES = 10;
  const MIN_RESULT_BOXES = 0;

  function showAlert(msg, type="error") {{
    let el = document.getElementById("alert");
    el.innerHTML = msg;
    el.style.background = type === "error" ? "#f44336" : "#4CAF50";
    el.style.opacity = 1;
    setTimeout(() => {{ el.style.opacity = 0; }}, 3500);
  }}

  function renderBoxes() {{
    const leftZone = document.getElementById('left-zone');
    const rightZone = document.getElementById('right-zone');

    // Limpiar cajas anteriores (evitando borrar h3 y contadores)
    leftZone.querySelectorAll('.box').forEach(b => b.remove());
    rightZone.querySelectorAll('.box').forEach(b => b.remove());

    // Dibujar nuevas cajas
    for(let i=0; i<currentLeftBoxes; i++) {{
      leftZone.appendChild(createBox('left'));
    }}
    for(let i=0; i<currentRightBoxes; i++) {{
      rightZone.appendChild(createBox('right'));
    }}

    document.getElementById('right-count').innerText = currentRightBoxes;
    document.getElementById('left-count').innerText = currentLeftBoxes;
  }}

  function createBox(zone) {{
    let newBox = document.createElement('div');
    newBox.className = 'box draggable';
    newBox.draggable = true;
    newBox.innerHTML = '📦';

    // Al hacer clic, activamos el "seleccionado"
    newBox.onclick = function() {{
      this.classList.toggle('selected');
    }};

    // Evento de arrastre
    newBox.ondragstart = (e) => dragStart(e, zone, newBox);
    return newBox;
  }}

  function dragStart(event, source, boxElement) {{
    // Si la caja que estoy arrastrando no estaba seleccionada,
    // significa que quiero arrastrar SOLAMENTE esa caja.
    if (!boxElement.classList.contains('selected')) {{
       // Deselecciono todas las de esa zona
       document.getElementById(source + '-zone')
         .querySelectorAll('.box.selected')
         .forEach(b => b.classList.remove('selected'));
       // Y selecciono esta
       boxElement.classList.add('selected');
    }}

    // Cuento cuántas están seleccionadas en la zona de origen
    let selectedCount = document.getElementById(source + '-zone')
        .querySelectorAll('.box.selected').length;

    event.dataTransfer.setData("source", source);
    event.dataTransfer.setData("count", selectedCount);

    // Efecto visual: hacer semi transparentes las cajas que se están moviendo
    setTimeout(() => {{
        document.getElementById(source + '-zone')
           .querySelectorAll('.box.selected')
           .forEach(b => b.classList.add('ghost'));
    }}, 10);
  }}

  document.addEventListener('dragend', (e) => {{
    // Limpiar efectos ghost
    document.querySelectorAll('.ghost').forEach(b => b.classList.remove('ghost'));
    // Limpiar selecciones
    document.querySelectorAll('.box.selected').forEach(b => b.classList.remove('selected'));
  }});

  function allowDrop(event) {{
    event.preventDefault(); // Permitir soltar
    document.getElementById('machine-zone').classList.add('dragover');
  }}

  function dragLeave(event) {{
      document.getElementById('machine-zone').classList.remove('dragover');
  }}

  function drop(event) {{
    event.preventDefault();
    document.getElementById('machine-zone').classList.remove('dragover');

    let source = event.dataTransfer.getData("source");
    let inputCount = parseInt(event.dataTransfer.getData("count"));

    if(!source || isNaN(inputCount) || inputCount === 0) return;

    if (source === 'left') {{
      let boxesToAdd = inputCount + machineValue;
      if (currentRightBoxes + boxesToAdd > MAX_RESULT_BOXES) {{
        showAlert("¡Límite! El lado derecho excedería el máximo de " + MAX_RESULT_BOXES + " cajas.");
      }} else {{
        currentLeftBoxes -= inputCount;
        currentRightBoxes += boxesToAdd;
        renderBoxes();
        showAlert("¡Enviadas " + inputCount + " cajas! La máquina les sumó " + machineValue + ".", "success");
      }}
    }} else if (source === 'right') {{
      let boxesReturned = inputCount - machineValue;
      if (boxesReturned < MIN_RESULT_BOXES) {{
        showAlert("¡Error invertido! La máquina absorbe " + machineValue + " cajas. Necesitas pasar mínimo esa cantidad para devolver algo positivo (pasaste " + inputCount + ").");
      }} else {{
        currentRightBoxes -= inputCount;
        currentLeftBoxes += boxesReturned;
        renderBoxes();
        showAlert("¡Regresadas " + inputCount + " cajas! La máquina tomó " + machineValue + " y devolvieron " + boxesReturned + " a la izquierda.", "success");
      }}
    }}
  }}

  // Inicializar
  renderBoxes();
</script>
</body>
</html>
"""

# Render the HTML component in Streamlit
components.html(html_code, height=550)