forked from ianstormtaylor/slate
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathindex.js
210 lines (177 loc) · 4.17 KB
/
index.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
import Plain from 'slate-plain-serializer'
import { Editor, getEventTransfer } from 'slate-react'
import { Value } from 'slate'
import React from 'react'
import initialValue from './value.json'
/**
* The tables example.
*
* @type {Component}
*/
class Tables extends React.Component {
/**
* Deserialize the raw initial value.
*
* @type {Object}
*/
state = {
value: Value.fromJSON(initialValue),
}
/**
* Render the example.
*
* @return {Component} component
*/
render() {
return (
<Editor
placeholder="Enter some text..."
value={this.state.value}
onChange={this.onChange}
onKeyDown={this.onKeyDown}
onDrop={this.onDropOrPaste}
onPaste={this.onDropOrPaste}
renderNode={this.renderNode}
renderMark={this.renderMark}
/>
)
}
/**
* Render a Slate node.
*
* @param {Object} props
* @return {Element}
*/
renderNode = props => {
const { attributes, children, node } = props
switch (node.type) {
case 'table':
return (
<table>
<tbody {...attributes}>{children}</tbody>
</table>
)
case 'table-row':
return <tr {...attributes}>{children}</tr>
case 'table-cell':
return <td {...attributes}>{children}</td>
}
}
/**
* Render a Slate mark.
*
* @param {Object} props
* @return {Element}
*/
renderMark = props => {
const { children, mark, attributes } = props
switch (mark.type) {
case 'bold':
return <strong {...attributes}>{children}</strong>
}
}
/**
* On backspace, do nothing if at the start of a table cell.
*
* @param {Event} event
* @param {Change} change
*/
onBackspace = (event, change) => {
const { value } = change
const { selection } = value
if (selection.start.offset != 0) return
event.preventDefault()
return true
}
/**
* On change.
*
* @param {Change} change
*/
onChange = ({ value }) => {
this.setState({ value })
}
/**
* On delete, do nothing if at the end of a table cell.
*
* @param {Event} event
* @param {Change} change
*/
onDelete = (event, change) => {
const { value } = change
const { selection } = value
if (selection.end.offset != value.startText.text.length) return
event.preventDefault()
return true
}
/**
* On paste or drop, only support plain text for this example.
*
* @param {Event} event
* @param {Change} change
*/
onDropOrPaste = (event, change) => {
const transfer = getEventTransfer(event)
const { value } = change
const { text = '' } = transfer
if (value.startBlock.type !== 'table-cell') {
return
}
if (!text) {
return
}
const lines = text.split('\n')
const { document } = Plain.deserialize(lines[0] || '')
change.insertFragment(document)
return false
}
/**
* On return, do nothing if inside a table cell.
*
* @param {Event} event
* @param {Change} change
*/
onEnter = (event, change) => {
event.preventDefault()
return true
}
/**
* On key down, check for our specific key shortcuts.
*
* @param {Event} event
* @param {Change} change
*/
onKeyDown = (event, change) => {
const { value } = change
const { document, selection } = value
const { start, isCollapsed } = selection
const startNode = document.getDescendant(start.key)
if (isCollapsed && start.isAtStartOfNode(startNode)) {
const previous = document.getPreviousText(startNode.key)
const prevBlock = document.getClosestBlock(previous.key)
if (prevBlock.type === 'table-cell') {
if (['Backspace', 'Delete', 'Enter'].includes(event.key)) {
event.preventDefault()
return true
} else {
return
}
}
}
if (value.startBlock.type !== 'table-cell') {
return
}
switch (event.key) {
case 'Backspace':
return this.onBackspace(event, change)
case 'Delete':
return this.onDelete(event, change)
case 'Enter':
return this.onEnter(event, change)
}
}
}
/**
* Export.
*/
export default Tables