refactor(enhanced-kanban): relocate EnhancedKanbanBoardNativeDnD component
- Moved EnhancedKanbanBoardNativeDnD to a new directory for better organization. - Updated import paths in ProjectViewEnhancedBoard to reflect the new location.
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shancds
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import React, { useState, useEffect, useMemo } from 'react';
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import { useSelector, useDispatch } from 'react-redux';
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import { RootState } from '@/app/store';
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import { ITaskListGroup } from '@/types/tasks/taskList.types';
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import { IProjectTask } from '@/types/project/projectTasksViewModel.types';
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import '../EnhancedKanbanBoard.css';
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import '../EnhancedKanbanGroup.css';
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import '../EnhancedKanbanTaskCard.css';
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import ImprovedTaskFilters from '../../task-management/improved-task-filters';
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import Card from 'antd/es/card';
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import Spin from 'antd/es/spin';
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import Empty from 'antd/es/empty';
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import { reorderGroups, reorderEnhancedKanbanGroups, reorderTasks, reorderEnhancedKanbanTasks, fetchEnhancedKanbanLabels, fetchEnhancedKanbanGroups, fetchEnhancedKanbanTaskAssignees } from '@/features/enhanced-kanban/enhanced-kanban.slice';
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import { fetchStatusesCategories } from '@/features/taskAttributes/taskStatusSlice';
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import { useAppSelector } from '@/hooks/useAppSelector';
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// Minimal task card for prototype (reuse your styles)
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const TaskCard: React.FC<{
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task: IProjectTask;
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onTaskDragStart: (e: React.DragEvent, taskId: string, groupId: string) => void;
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onTaskDragOver: (e: React.DragEvent, groupId: string, taskIdx: number) => void;
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onTaskDrop: (e: React.DragEvent, groupId: string, taskIdx: number) => void;
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groupId: string;
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isDropIndicator: boolean;
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}> = ({ task, onTaskDragStart, onTaskDragOver, onTaskDrop, groupId, isDropIndicator }) => {
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const themeMode = useSelector((state: RootState) => state.themeReducer.mode);
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const background = themeMode === 'dark' ? '#23272f' : '#fff';
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const color = themeMode === 'dark' ? '#fff' : '#23272f';
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return (
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<>
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{isDropIndicator && (
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<div style={{ height: 32, margin: '8px 0', background: themeMode === 'dark' ? '#2a2a2a' : '#f0f0f0', borderRadius: 6, border: `2px dashed ${themeMode === 'dark' ? '#555' : '#bbb'}` }} />
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)}
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<div
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className="enhanced-kanban-task-card"
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draggable
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onDragStart={e => onTaskDragStart(e, task.id!, groupId)}
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onDragOver={e => onTaskDragOver(e, groupId, -1)}
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onDrop={e => onTaskDrop(e, groupId, -1)}
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style={{ background, color }}
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>
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<div className="task-content">
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<div className="task-title">{task.name}</div>
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<div className="task-key">{task.task_key}</div>
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<div className="task-assignees">
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{task.assignees?.map(a => a.name).join(', ')}
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</div>
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</div>
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</div>
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</>
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);
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};
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// Minimal group column for prototype
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const KanbanGroup: React.FC<{
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group: ITaskListGroup;
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onGroupDragStart: (e: React.DragEvent, groupId: string) => void;
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onGroupDragOver: (e: React.DragEvent) => void;
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onGroupDrop: (e: React.DragEvent, groupId: string) => void;
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onTaskDragStart: (e: React.DragEvent, taskId: string, groupId: string) => void;
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onTaskDragOver: (e: React.DragEvent, groupId: string, taskIdx: number) => void;
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onTaskDrop: (e: React.DragEvent, groupId: string, taskIdx: number) => void;
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hoveredTaskIdx: number | null;
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hoveredGroupId: string | null;
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}> = ({ group, onGroupDragStart, onGroupDragOver, onGroupDrop, onTaskDragStart, onTaskDragOver, onTaskDrop, hoveredTaskIdx, hoveredGroupId }) => {
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const themeMode = useAppSelector(state => state.themeReducer.mode);
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const headerBackgroundColor = useMemo(() => {
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if (themeMode === 'dark') {
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return group.color_code_dark || group.color_code || '#1e1e1e';
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}
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return group.color_code || '#f5f5f5';
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}, [themeMode, group.color_code, group.color_code_dark]);
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return (
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<div className="enhanced-kanban-group">
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<div
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className="enhanced-kanban-group-header"
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style={{
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backgroundColor: headerBackgroundColor,
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}}
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draggable
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onDragStart={e => onGroupDragStart(e, group.id)}
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onDragOver={onGroupDragOver}
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onDrop={e => onGroupDrop(e, group.id)}
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>
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<h3>{group.name}</h3>
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<span className="task-count">{group.tasks.length}</span>
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</div>
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<div className="enhanced-kanban-group-tasks"
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onDragOver={e => onTaskDragOver(e, group.id, 0)}
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onDrop={e => onTaskDrop(e, group.id, 0)}
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>
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{/* Drop indicator at the top of the group */}
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{hoveredGroupId === group.id && hoveredTaskIdx === 0 && (
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<div className="drop-preview-indicator"><div className="drop-line" /></div>
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)}
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{group.tasks.map((task, idx) => (
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<React.Fragment key={task.id}>
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<TaskCard
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task={task}
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onTaskDragStart={onTaskDragStart}
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onTaskDragOver={onTaskDragOver}
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onTaskDrop={onTaskDrop}
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groupId={group.id}
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isDropIndicator={hoveredGroupId === group.id && hoveredTaskIdx === idx + 1}
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/>
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</React.Fragment>
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))}
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{/* Drop indicator at the end of the group */}
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{hoveredGroupId === group.id && hoveredTaskIdx === group.tasks.length && (
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<div className="drop-preview-indicator"><div className="drop-line" /></div>
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)}
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</div>
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</div>
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)
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};
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const EnhancedKanbanBoardNativeDnD: React.FC<{ projectId: string }> = ({ projectId }) => {
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const dispatch = useDispatch();
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const {
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taskGroups,
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loadingGroups,
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error,
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} = useSelector((state: RootState) => state.enhancedKanbanReducer);
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const [draggedGroupId, setDraggedGroupId] = useState<string | null>(null);
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const [draggedTaskId, setDraggedTaskId] = useState<string | null>(null);
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const [draggedTaskGroupId, setDraggedTaskGroupId] = useState<string | null>(null);
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const [hoveredGroupId, setHoveredGroupId] = useState<string | null>(null);
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const [hoveredTaskIdx, setHoveredTaskIdx] = useState<number | null>(null);
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const [dragType, setDragType] = useState<'group' | 'task' | null>(null);
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const { statusCategories, status: existingStatuses } = useAppSelector((state) => state.taskStatusReducer);
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useEffect(() => {
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if (projectId) {
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dispatch(fetchEnhancedKanbanGroups(projectId) as any);
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// Load filter data for enhanced kanban
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dispatch(fetchEnhancedKanbanTaskAssignees(projectId) as any);
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dispatch(fetchEnhancedKanbanLabels(projectId) as any);
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}
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if (!statusCategories.length) {
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dispatch(fetchStatusesCategories() as any);
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}
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}, [dispatch, projectId]);
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// Reset drag state if taskGroups changes (e.g., real-time update)
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useEffect(() => {
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setDraggedGroupId(null);
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setDraggedTaskId(null);
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setDraggedTaskGroupId(null);
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setHoveredGroupId(null);
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setHoveredTaskIdx(null);
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setDragType(null);
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}, [taskGroups]);
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// Group drag handlers
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const handleGroupDragStart = (e: React.DragEvent, groupId: string) => {
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setDraggedGroupId(groupId);
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setDragType('group');
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e.dataTransfer.effectAllowed = 'move';
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};
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const handleGroupDragOver = (e: React.DragEvent) => {
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if (dragType !== 'group') return;
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e.preventDefault();
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};
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const handleGroupDrop = (e: React.DragEvent, targetGroupId: string) => {
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if (dragType !== 'group') return;
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e.preventDefault();
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if (!draggedGroupId || draggedGroupId === targetGroupId) return;
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// Calculate new order and dispatch
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const fromIdx = taskGroups.findIndex(g => g.id === draggedGroupId);
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const toIdx = taskGroups.findIndex(g => g.id === targetGroupId);
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if (fromIdx === -1 || toIdx === -1) return;
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const reorderedGroups = [...taskGroups];
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const [moved] = reorderedGroups.splice(fromIdx, 1);
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reorderedGroups.splice(toIdx, 0, moved);
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dispatch(reorderGroups({ fromIndex: fromIdx, toIndex: toIdx, reorderedGroups }));
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dispatch(reorderEnhancedKanbanGroups({ fromIndex: fromIdx, toIndex: toIdx, reorderedGroups }) as any);
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setDraggedGroupId(null);
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setDragType(null);
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};
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// Task drag handlers
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const handleTaskDragStart = (e: React.DragEvent, taskId: string, groupId: string) => {
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setDraggedTaskId(taskId);
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setDraggedTaskGroupId(groupId);
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setDragType('task');
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e.dataTransfer.effectAllowed = 'move';
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};
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const handleTaskDragOver = (e: React.DragEvent, groupId: string, taskIdx: number) => {
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if (dragType !== 'task') return;
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e.preventDefault();
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if (draggedTaskId) {
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setHoveredGroupId(groupId);
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setHoveredTaskIdx(taskIdx);
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}
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};
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const handleTaskDrop = (e: React.DragEvent, targetGroupId: string, targetTaskIdx: number) => {
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if (dragType !== 'task') return;
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e.preventDefault();
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if (!draggedTaskId || !draggedTaskGroupId || hoveredGroupId === null || hoveredTaskIdx === null) return;
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// Calculate new order and dispatch
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const sourceGroup = taskGroups.find(g => g.id === draggedTaskGroupId);
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const targetGroup = taskGroups.find(g => g.id === targetGroupId);
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if (!sourceGroup || !targetGroup) return;
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const taskIdx = sourceGroup.tasks.findIndex(t => t.id === draggedTaskId);
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if (taskIdx === -1) return;
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const movedTask = sourceGroup.tasks[taskIdx];
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// Prepare updated task arrays
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const updatedSourceTasks = [...sourceGroup.tasks];
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updatedSourceTasks.splice(taskIdx, 1);
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let insertIdx = targetTaskIdx;
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if (sourceGroup.id === targetGroup.id && taskIdx < insertIdx) {
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insertIdx--;
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}
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if (insertIdx < 0) insertIdx = 0;
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if (insertIdx > targetGroup.tasks.length) insertIdx = targetGroup.tasks.length;
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const updatedTargetTasks = sourceGroup.id === targetGroup.id
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? [...updatedSourceTasks]
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: [...targetGroup.tasks];
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updatedTargetTasks.splice(insertIdx, 0, movedTask);
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dispatch(reorderTasks({
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activeGroupId: sourceGroup.id,
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overGroupId: targetGroup.id,
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fromIndex: taskIdx,
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toIndex: insertIdx,
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task: movedTask,
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updatedSourceTasks,
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updatedTargetTasks,
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}));
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dispatch(reorderEnhancedKanbanTasks({
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activeGroupId: sourceGroup.id,
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overGroupId: targetGroup.id,
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fromIndex: taskIdx,
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toIndex: insertIdx,
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task: movedTask,
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updatedSourceTasks,
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updatedTargetTasks,
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}) as any);
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setDraggedTaskId(null);
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setDraggedTaskGroupId(null);
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setHoveredGroupId(null);
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setHoveredTaskIdx(null);
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setDragType(null);
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};
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if (error) {
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return (
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<Card>
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<Empty description={`Error loading tasks: ${error}`} image={Empty.PRESENTED_IMAGE_SIMPLE} />
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</Card>
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);
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}
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return (
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<>
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<div className="mb-4">
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<React.Suspense fallback={<div>Loading filters...</div>}>
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<ImprovedTaskFilters position="board" />
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</React.Suspense>
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</div>
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<div className="enhanced-kanban-board">
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{loadingGroups ? (
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<Card>
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<div className="flex justify-center items-center py-8">
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<Spin size="large" />
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</div>
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</Card>
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) : taskGroups.length === 0 ? (
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<Card>
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<Empty description="No tasks found" image={Empty.PRESENTED_IMAGE_SIMPLE} />
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</Card>
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) : (
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<div className="kanban-groups-container">
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{taskGroups.map(group => (
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<KanbanGroup
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key={group.id}
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group={group}
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onGroupDragStart={handleGroupDragStart}
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onGroupDragOver={handleGroupDragOver}
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onGroupDrop={handleGroupDrop}
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onTaskDragStart={handleTaskDragStart}
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onTaskDragOver={handleTaskDragOver}
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onTaskDrop={handleTaskDrop}
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hoveredTaskIdx={hoveredGroupId === group.id ? hoveredTaskIdx : null}
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hoveredGroupId={hoveredGroupId}
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/>
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))}
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</div>
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)}
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</div>
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</>
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);
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};
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export default EnhancedKanbanBoardNativeDnD;
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