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| 1 | +import React from 'react' |
| 2 | +import events from '../events' |
| 3 | +import BigCalendar from 'react-big-calendar' |
| 4 | +import withDragAndDrop from 'react-big-calendar/lib/addons/dragAndDrop' |
| 5 | +import Layout from 'react-tackle-box/Layout' |
| 6 | +import Card from '../Card' |
| 7 | + |
| 8 | +import 'react-big-calendar/lib/addons/dragAndDrop/styles.less' |
| 9 | + |
| 10 | +const DragAndDropCalendar = withDragAndDrop(BigCalendar) |
| 11 | + |
| 12 | +const formatName = (name, count) => `${name} ID ${count}` |
| 13 | + |
| 14 | +class Dnd extends React.Component { |
| 15 | + constructor(props) { |
| 16 | + super(props) |
| 17 | + this.state = { |
| 18 | + events: events, |
| 19 | + draggedEvent: null, |
| 20 | + counters: { |
| 21 | + item1: 0, |
| 22 | + item2: 0, |
| 23 | + }, |
| 24 | + } |
| 25 | + } |
| 26 | + |
| 27 | + handleDragStart = name => { |
| 28 | + this.setState({ draggedEvent: name }) |
| 29 | + } |
| 30 | + |
| 31 | + customOnDragOver = event => { |
| 32 | + // check for undroppable is specific to this example |
| 33 | + // and not part of API. This just demonstrates that |
| 34 | + // onDragOver can optionally be passed to conditionally |
| 35 | + // allow draggable items to be dropped on cal, based on |
| 36 | + // whether event.preventDefault is called |
| 37 | + if (this.state.draggedEvent !== 'undroppable') { |
| 38 | + console.log('preventDefault') |
| 39 | + event.preventDefault() |
| 40 | + } |
| 41 | + } |
| 42 | + |
| 43 | + onDropFromOutside = ({ start, end, allDay }) => { |
| 44 | + const { draggedEvent, counters } = this.state |
| 45 | + const event = { |
| 46 | + title: formatName(draggedEvent, counters[draggedEvent]), |
| 47 | + start, |
| 48 | + end, |
| 49 | + isAllDay: allDay, |
| 50 | + } |
| 51 | + const updatedCounters = { |
| 52 | + ...counters, |
| 53 | + [draggedEvent]: counters[draggedEvent] + 1, |
| 54 | + } |
| 55 | + this.setState({ draggedEvent: null, counters: updatedCounters }) |
| 56 | + this.newEvent(event) |
| 57 | + } |
| 58 | + |
| 59 | + moveEvent({ event, start, end, isAllDay: droppedOnAllDaySlot }) { |
| 60 | + const { events } = this.state |
| 61 | + |
| 62 | + const idx = events.indexOf(event) |
| 63 | + let allDay = event.allDay |
| 64 | + |
| 65 | + if (!event.allDay && droppedOnAllDaySlot) { |
| 66 | + allDay = true |
| 67 | + } else if (event.allDay && !droppedOnAllDaySlot) { |
| 68 | + allDay = false |
| 69 | + } |
| 70 | + |
| 71 | + const updatedEvent = { ...event, start, end, allDay } |
| 72 | + |
| 73 | + const nextEvents = [...events] |
| 74 | + nextEvents.splice(idx, 1, updatedEvent) |
| 75 | + |
| 76 | + this.setState({ |
| 77 | + events: nextEvents, |
| 78 | + }) |
| 79 | + |
| 80 | + // alert(`${event.title} was dropped onto ${updatedEvent.start}`) |
| 81 | + } |
| 82 | + |
| 83 | + resizeEvent = ({ event, start, end }) => { |
| 84 | + const { events } = this.state |
| 85 | + |
| 86 | + const nextEvents = events.map(existingEvent => { |
| 87 | + return existingEvent.id == event.id |
| 88 | + ? { ...existingEvent, start, end } |
| 89 | + : existingEvent |
| 90 | + }) |
| 91 | + |
| 92 | + this.setState({ |
| 93 | + events: nextEvents, |
| 94 | + }) |
| 95 | + |
| 96 | + //alert(`${event.title} was resized to ${start}-${end}`) |
| 97 | + } |
| 98 | + |
| 99 | + newEvent(event) { |
| 100 | + let idList = this.state.events.map(a => a.id) |
| 101 | + let newId = Math.max(...idList) + 1 |
| 102 | + let hour = { |
| 103 | + id: newId, |
| 104 | + title: event.title, |
| 105 | + allDay: event.isAllDay, |
| 106 | + start: event.start, |
| 107 | + end: event.end, |
| 108 | + } |
| 109 | + this.setState({ |
| 110 | + events: this.state.events.concat([hour]), |
| 111 | + }) |
| 112 | + } |
| 113 | + |
| 114 | + render() { |
| 115 | + return ( |
| 116 | + <div> |
| 117 | + <Card |
| 118 | + className="examples--header" |
| 119 | + style={{ |
| 120 | + display: 'flex', |
| 121 | + justifyContent: 'center', |
| 122 | + flexWrap: 'wrap', |
| 123 | + }} |
| 124 | + > |
| 125 | + <h4 style={{ color: 'gray', width: '100%' }}>Outside Drag Sources</h4> |
| 126 | + {Object.entries(this.state.counters).map(([name, count]) => ( |
| 127 | + <div |
| 128 | + style={{ |
| 129 | + border: '2px solid gray', |
| 130 | + borderRadius: '4px', |
| 131 | + width: '100px', |
| 132 | + margin: '10px', |
| 133 | + }} |
| 134 | + draggable="true" |
| 135 | + key={name} |
| 136 | + onDragStart={() => this.handleDragStart(name)} |
| 137 | + > |
| 138 | + {formatName(name, count)} |
| 139 | + </div> |
| 140 | + ))} |
| 141 | + <div |
| 142 | + style={{ |
| 143 | + border: '2px solid gray', |
| 144 | + borderRadius: '4px', |
| 145 | + width: '100px', |
| 146 | + margin: '10px', |
| 147 | + }} |
| 148 | + draggable="true" |
| 149 | + key={name} |
| 150 | + onDragStart={() => this.handleDragStart('undroppable')} |
| 151 | + > |
| 152 | + Draggable but not for calendar. |
| 153 | + </div> |
| 154 | + </Card> |
| 155 | + <DragAndDropCalendar |
| 156 | + selectable |
| 157 | + localizer={this.props.localizer} |
| 158 | + events={this.state.events} |
| 159 | + onEventDrop={this.moveEvent} |
| 160 | + onDropFromOutside={this.onDropFromOutside} |
| 161 | + onDragOver={this.customOnDragOver} |
| 162 | + resizable |
| 163 | + onEventResize={this.resizeEvent} |
| 164 | + onSelectSlot={this.newEvent} |
| 165 | + onD |
| 166 | + defaultView={BigCalendar.Views.MONTH} |
| 167 | + defaultDate={new Date(2015, 3, 12)} |
| 168 | + /> |
| 169 | + </div> |
| 170 | + ) |
| 171 | + } |
| 172 | +} |
| 173 | + |
| 174 | +export default Dnd |
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