Drag and Drop

The user drags items into target zones. Requires the content field.

Content Schema

{
  "items": [
    { "id": "1", "text": "Apple",  "correctZoneId": "fruit" },
    { "id": "2", "text": "Carrot", "correctZoneId": "vegetable" }
  ],
  "zones": [
    { "id": "fruit",     "label": "Fruits" },
    { "id": "vegetable", "label": "Vegetables" }
  ]
}

Answer Format

answer = JSON.stringify({ item_id: zone_id })

Items missing from answer count as incorrect.

Request

{
  "exerciseId": "ex_004",
  "area": "vocabulary",
  "type": "drag_and_drop",
  "answer": "{\"1\":\"fruit\",\"2\":\"vegetable\"}",
  "content": {
    "items": [
      { "id": "1", "text": "Apple",  "correctZoneId": "fruit" },
      { "id": "2", "text": "Carrot", "correctZoneId": "vegetable" }
    ],
    "zones": [
      { "id": "fruit",     "label": "Fruits" },
      { "id": "vegetable", "label": "Vegetables" }
    ]
  }
}

Responses

// All correct
{ "correct": true,  "score": 10, "feedback": "All items placed correctly!",           "metadata": { "area": "vocabulary", "type": "drag_and_drop" } }

// Partial (1 of 2)
{ "correct": false, "score": 5,  "feedback": "You placed 1 out of 2 items correctly.", "metadata": { "area": "vocabulary", "type": "drag_and_drop" } }

Score = Math.round((correct_items / total) * 10)