{ "id": "kanban-board", "name": "Kanban Board", "description": "Drag-and-drop Kanban board with inline editing, priority labels, and search", "author": "gradio", "tags": [ "input", "kanban", "drag-drop", "project-management" ], "category": "input", "html_template": "
\n
\n

${board_title}

\n
\n
\n \ud83d\udd0d\n \n
\n
\n ${(() => {\n const cols = (value && value.columns) || [];\n const total = cols.reduce((sum, col) => sum + col.cards.length, 0);\n const done = cols.find(c => c.id === 'done');\n const doneCount = done ? done.cards.length : 0;\n const pct = total > 0 ? Math.round((doneCount / total) * 100) : 0;\n return '\ud83d\udcca ' + total + ' tasks' +\n '\u2705 ' + doneCount + ' done (' + pct + '%)';\n })()}\n
\n
\n
\n
\n ${(() => {\n const cols = (value && value.columns) || [];\n const total = cols.reduce((sum, col) => sum + col.cards.length, 0);\n const done = cols.find(c => c.id === 'done');\n const doneCount = done ? done.cards.length : 0;\n const pct = total > 0 ? Math.round((doneCount / total) * 100) : 0;\n return '
';\n })()}\n
\n
\n ${((value && value.columns) || []).map((col, colIdx) => `\n
\n
\n
\n \n ${col.title}\n
\n ${col.cards.length}\n
\n
\n ${col.cards.map((card, cardIdx) => `\n
\n
\n
\n
${card.text}
\n
\n
\n ${(card.tags || []).map(t => '' + t + '').join('')}\n
\n
\n \n \n
\n
\n
\n
\n `).join('')}\n
\n
\n \n
\n
\n `).join('')}\n
\n
", "css_template": ".kanban-wrapper {\n background: linear-gradient(135deg, #0f172a 0%, #1a1a2e 100%);\n border-radius: 16px;\n padding: 24px;\n font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;\n color: #e2e8f0;\n overflow-x: auto;\n}\n.kanban-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; flex-wrap: wrap; gap: 12px; }\n.kanban-header h2 { margin: 0; font-size: 22px; color: #f8fafc; letter-spacing: -0.3px; }\n.header-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }\n.search-box { display: flex; align-items: center; background: rgba(255,255,255,0.06); border: 1px solid #334155; border-radius: 10px; padding: 4px 12px; transition: all 0.2s; }\n.search-box:focus-within { border-color: #6366f1; background: rgba(99, 102, 241, 0.06); }\n.search-icon { font-size: 13px; margin-right: 6px; }\n.search-input { background: none; border: none; color: #e2e8f0; font-size: 13px; outline: none; width: 140px; }\n.search-input::placeholder { color: #475569; }\n.header-stats { display: flex; gap: 8px; }\n.stat-pill { background: rgba(255,255,255,0.08); padding: 5px 14px; border-radius: 12px; font-size: 13px; color: #94a3b8; font-weight: 500; }\n.done-pill { color: #10b981; }\n.kb-progress-track { height: 4px; background: rgba(255,255,255,0.08); border-radius: 4px; margin-bottom: 20px; overflow: hidden; }\n.kb-progress-bar { height: 100%; background: linear-gradient(90deg, #6366f1, #10b981); border-radius: 4px; transition: width 0.5s ease; }\n.kanban-board { display: flex; gap: 16px; min-height: 400px; padding-bottom: 8px; }\n.kanban-column { background: #1e293b; border-radius: 12px; min-width: 270px; max-width: 310px; flex: 1; display: flex; flex-direction: column; transition: min-width 0.3s, max-width 0.3s; }\n.kanban-column.collapsed { min-width: 60px; max-width: 60px; }\n.column-header { padding: 14px 14px 10px; display: flex; justify-content: space-between; align-items: center; border-radius: 12px 12px 0 0; user-select: none; }\n.col-header-left { display: flex; align-items: center; gap: 8px; }\n.collapse-btn { background: none; border: none; color: #64748b; cursor: pointer; font-size: 10px; padding: 2px 4px; border-radius: 4px; transition: color 0.2s; }\n.collapse-btn:hover { color: #e2e8f0; }\n.col-title { font-weight: 600; font-size: 14px; white-space: nowrap; }\n.col-count { min-width: 26px; height: 26px; border-radius: 13px; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; }\n.card-list { flex: 1; padding: 6px 10px; min-height: 60px; transition: background 0.2s; }\n.card-list.hidden, .add-card-area.hidden { display: none; }\n.card-list.drag-over { background: rgba(99, 102, 241, 0.08); border-radius: 8px; }\n.kanban-card { background: #0f172a; border: 1px solid #334155; border-radius: 10px; padding: 12px 12px 12px 16px; margin-bottom: 8px; cursor: grab; transition: all 0.15s ease; position: relative; overflow: hidden; animation: cardIn 0.2s ease; }\n.kanban-card:hover { border-color: #6366f1; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.3); }\n.kanban-card.dragging { opacity: 0.4; transform: rotate(2deg) scale(0.97); }\n.kanban-card.search-hidden { display: none; }\n.kanban-card.search-highlight { border-color: #f59e0b; box-shadow: 0 0 0 1px #f59e0b44; }\n.card-priority { width: 4px; height: 100%; position: absolute; left: 0; top: 0; border-radius: 10px 0 0 10px; }\n.priority-high { background: #ef4444; }\n.priority-medium { background: #f59e0b; }\n.priority-low { background: #10b981; }\n.card-content { padding-left: 4px; }\n.card-text { font-size: 13px; line-height: 1.5; color: #e2e8f0; cursor: text; border-radius: 4px; padding: 2px 4px; margin: -2px -4px; transition: background 0.15s; }\n.card-text:hover { background: rgba(255,255,255,0.04); }\n.card-text.editing { background: rgba(99, 102, 241, 0.1); outline: 1px solid #6366f1; min-height: 1.5em; }\n.card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }\n.card-tags { display: flex; gap: 4px; flex-wrap: wrap; }\n.kb-tag { background: rgba(99, 102, 241, 0.15); color: #a5b4fc; padding: 2px 9px; border-radius: 10px; font-size: 11px; font-weight: 500; }\n.card-actions { display: flex; gap: 2px; opacity: 0; transition: opacity 0.15s; }\n.kanban-card:hover .card-actions { opacity: 1; }\n.priority-cycle, .delete-card { background: none; border: none; cursor: pointer; font-size: 13px; padding: 3px 6px; border-radius: 6px; transition: all 0.15s; color: #475569; }\n.delete-card:hover { color: #ef4444; background: rgba(239, 68, 68, 0.1); }\n.priority-cycle:hover { background: rgba(255,255,255,0.08); }\n.add-card-area { padding: 6px 10px 14px; }\n.add-card-input { width: 100%; background: rgba(255,255,255,0.04); border: 1px dashed #334155; border-radius: 10px; padding: 10px 14px; color: #94a3b8; font-size: 13px; outline: none; transition: all 0.2s; box-sizing: border-box; }\n.add-card-input:focus { border-color: #6366f1; border-style: solid; background: rgba(99, 102, 241, 0.05); color: #e2e8f0; }\n.add-card-input::placeholder { color: #475569; }\n@keyframes cardIn { from { opacity: 0; transform: translateY(-8px) scale(0.97); } to { opacity: 1; transform: translateY(0) scale(1); } }", "js_on_load": "let dragSrcColIdx = null;\nlet dragSrcCardIdx = null;\nelement.addEventListener('dragstart', (e) => {\n const card = e.target.closest('.kanban-card');\n if (!card) return;\n dragSrcColIdx = parseInt(card.dataset.colIdx);\n dragSrcCardIdx = parseInt(card.dataset.cardIdx);\n card.classList.add('dragging');\n e.dataTransfer.effectAllowed = 'move';\n});\nelement.addEventListener('dragend', (e) => {\n const card = e.target.closest('.kanban-card');\n if (card) card.classList.remove('dragging');\n element.querySelectorAll('.card-list').forEach(cl => cl.classList.remove('drag-over'));\n});\nelement.addEventListener('dragover', (e) => {\n e.preventDefault();\n const cardList = e.target.closest('.card-list');\n if (cardList) cardList.classList.add('drag-over');\n});\nelement.addEventListener('dragleave', (e) => {\n const cardList = e.target.closest('.card-list');\n if (cardList && !cardList.contains(e.relatedTarget)) {\n cardList.classList.remove('drag-over');\n }\n});\nelement.addEventListener('drop', (e) => {\n e.preventDefault();\n const cardList = e.target.closest('.card-list');\n if (!cardList || dragSrcColIdx === null) return;\n cardList.classList.remove('drag-over');\n const destColIdx = parseInt(cardList.dataset.colIdx);\n const nv = JSON.parse(JSON.stringify(props.value));\n const card = nv.columns[dragSrcColIdx].cards.splice(dragSrcCardIdx, 1)[0];\n const cardElements = cardList.querySelectorAll('.kanban-card:not(.dragging)');\n let insertIdx = nv.columns[destColIdx].cards.length;\n for (let i = 0; i < cardElements.length; i++) {\n const rect = cardElements[i].getBoundingClientRect();\n if (e.clientY < rect.top + rect.height / 2) { insertIdx = i; break; }\n }\n nv.columns[destColIdx].cards.splice(insertIdx, 0, card);\n props.value = nv;\n trigger('change');\n dragSrcColIdx = null;\n dragSrcCardIdx = null;\n});\nelement.addEventListener('click', (e) => {\n const delBtn = e.target.closest('.delete-card');\n if (!delBtn) return;\n e.stopPropagation();\n const colIdx = parseInt(delBtn.dataset.colIdx);\n const cardIdx = parseInt(delBtn.dataset.cardIdx);\n const nv = JSON.parse(JSON.stringify(props.value));\n nv.columns[colIdx].cards.splice(cardIdx, 1);\n props.value = nv;\n trigger('change');\n});\nelement.addEventListener('click', (e) => {\n const btn = e.target.closest('.priority-cycle');\n if (!btn) return;\n e.stopPropagation();\n const colIdx = parseInt(btn.dataset.colIdx);\n const cardIdx = parseInt(btn.dataset.cardIdx);\n const nv = JSON.parse(JSON.stringify(props.value));\n const card = nv.columns[colIdx].cards[cardIdx];\n const cycle = { low: 'medium', medium: 'high', high: 'low' };\n card.priority = cycle[card.priority] || 'low';\n props.value = nv;\n trigger('change');\n});\nelement.addEventListener('click', (e) => {\n const btn = e.target.closest('.collapse-btn');\n if (!btn) return;\n const colIdx = parseInt(btn.dataset.colIdx);\n const nv = JSON.parse(JSON.stringify(props.value));\n nv.columns[colIdx].collapsed = !nv.columns[colIdx].collapsed;\n props.value = nv;\n trigger('change');\n});\nelement.addEventListener('dblclick', (e) => {\n const textEl = e.target.closest('.card-text');\n if (!textEl) return;\n textEl.contentEditable = 'true';\n textEl.classList.add('editing');\n textEl.focus();\n const range = document.createRange();\n range.selectNodeContents(textEl);\n const sel = window.getSelection();\n sel.removeAllRanges();\n sel.addRange(range);\n});\nfunction commitEdit(textEl) {\n textEl.contentEditable = 'false';\n textEl.classList.remove('editing');\n const colIdx = parseInt(textEl.dataset.colIdx);\n const cardIdx = parseInt(textEl.dataset.cardIdx);\n const newText = textEl.innerText.trim();\n if (!newText) return;\n const nv = JSON.parse(JSON.stringify(props.value));\n nv.columns[colIdx].cards[cardIdx].text = newText;\n props.value = nv;\n trigger('change');\n}\nelement.addEventListener('blur', (e) => {\n if (e.target.classList && e.target.classList.contains('editing')) {\n commitEdit(e.target);\n }\n}, true);\nelement.addEventListener('keydown', (e) => {\n if (e.key === 'Enter' && e.target.classList.contains('editing')) {\n e.preventDefault();\n e.target.blur();\n return;\n }\n if (e.key === 'Enter' && e.target.classList.contains('add-card-input')) {\n const text = e.target.value.trim();\n if (!text) return;\n const colIdx = parseInt(e.target.dataset.colIdx);\n const nv = JSON.parse(JSON.stringify(props.value));\n nv.columns[colIdx].cards.push({\n id: String(Date.now()),\n text: text,\n priority: 'medium',\n tags: []\n });\n props.value = nv;\n e.target.value = '';\n trigger('change');\n }\n});\nelement.addEventListener('input', (e) => {\n if (!e.target.classList.contains('search-input')) return;\n const q = e.target.value.toLowerCase().trim();\n element.querySelectorAll('.kanban-card').forEach(card => {\n const text = card.querySelector('.card-text').innerText.toLowerCase();\n const tags = Array.from(card.querySelectorAll('.kb-tag')).map(t => t.innerText.toLowerCase()).join(' ');\n const match = !q || text.includes(q) || tags.includes(q);\n card.classList.toggle('search-hidden', !match);\n card.classList.toggle('search-highlight', !!q && match);\n });\n});", "default_props": { "board_title": "My Board", "value": { "columns": [ { "id": "todo", "title": "\ud83d\udccb To Do", "color": "#6366f1", "cards": [ { "id": "1", "text": "Research gr.HTML component", "priority": "high", "tags": [ "gradio" ] }, { "id": "2", "text": "Design the UI layout", "priority": "medium", "tags": [ "design" ] }, { "id": "3", "text": "Write documentation", "priority": "low", "tags": [ "docs" ] } ] }, { "id": "progress", "title": "\ud83d\udd28 In Progress", "color": "#f59e0b", "cards": [ { "id": "4", "text": "Build Kanban prototype", "priority": "high", "tags": [ "dev" ] } ] }, { "id": "review", "title": "\ud83d\udc40 Review", "color": "#8b5cf6", "cards": [] }, { "id": "done", "title": "\u2705 Done", "color": "#10b981", "cards": [ { "id": "5", "text": "Set up Gradio project", "priority": "medium", "tags": [ "setup" ] } ] } ] } }, "python_code": "class KanbanBoard(gr.HTML):\n \"\"\"A drag-and-drop Kanban board component.\"\"\"\n\n def __init__(self, value=None, board_title=\"My Board\", **kwargs):\n if value is None:\n value = {\n \"columns\": [\n {\n \"id\": \"todo\", \"title\": \"To Do\", \"color\": \"#6366f1\",\n \"cards\": [\n {\"id\": \"1\", \"text\": \"Research gr.HTML\", \"priority\": \"high\", \"tags\": [\"gradio\"]},\n {\"id\": \"2\", \"text\": \"Design UI layout\", \"priority\": \"medium\", \"tags\": [\"design\"]},\n ],\n },\n {\n \"id\": \"progress\", \"title\": \"In Progress\", \"color\": \"#f59e0b\",\n \"cards\": [\n {\"id\": \"3\", \"text\": \"Build prototype\", \"priority\": \"high\", \"tags\": [\"dev\"]},\n ],\n },\n {\"id\": \"review\", \"title\": \"Review\", \"color\": \"#8b5cf6\", \"cards\": []},\n {\n \"id\": \"done\", \"title\": \"Done\", \"color\": \"#10b981\",\n \"cards\": [\n {\"id\": \"4\", \"text\": \"Set up project\", \"priority\": \"medium\", \"tags\": [\"setup\"]},\n ],\n },\n ],\n }\n super().__init__(\n value=value, board_title=board_title,\n html_template=HTML_TEMPLATE,\n css_template=CSS_TEMPLATE,\n js_on_load=JS_ON_LOAD, **kwargs\n )\n\n def api_info(self):\n return {\"type\": \"object\", \"description\": \"Kanban board state\"}" }