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Tree: f37ef7f30e013104c6e999fbd9ada54421e74c5e

Files: f37ef7f30e013104c6e999fbd9ada54421e74c5e / modules / compose.js

3449 bytesRaw
1var h = require('hyperscript')
2var u = require('../util')
3var suggest = require('suggest-box')
4var cont = require('cont')
5var mentions = require('ssb-mentions')
6var lightbox = require('hyperlightbox')
7
8var plugs = require('../plugs')
9
10//var suggest = plugs.map(exports.suggest = [])
11var publish = plugs.first(exports.sbot_publish = [])
12var message_content = plugs.first(exports.message_content = [])
13var message_confirm = plugs.first(exports.message_confirm = [])
14var file_input = plugs.first(exports.file_input = [])
15
16exports.suggest = []
17
18function id (e) { return e }
19
20exports.message_compose = function (meta, prepublish, cb) {
21 if('function' !== typeof prepublish)
22 sbot = prepublish, prepublish = id
23 var accessories
24 meta = meta || {}
25 if(!meta.type) throw new Error('message must have type')
26 var ta = h('textarea', {placeholder: 'Write a message'})
27
28 var blur
29 ta.addEventListener('focus', function () {
30 clearTimeout(blur)
31 if(!ta.value) {
32 ta.style.height = '200px'
33 }
34 accessories.style.display = 'block'
35 })
36 ta.addEventListener('blur', function () {
37 //don't shrink right away, so there is time
38 //to click the publish button.
39 clearTimeout(blur)
40 blur = setTimeout(function () {
41 if(ta.value) return
42 ta.style.height = '50px'
43 accessories.style.display = 'none'
44 }, 200)
45 })
46
47 ta.addEventListener('keydown', function (ev) {
48 if(ev.keyCode === 13 && ev.ctrlKey) publish()
49 })
50
51 var files = []
52 var filesById = {}
53
54 function publish() {
55 publishBtn.disabled = true
56 var content
57 try {
58 content = JSON.parse(ta.value)
59 } catch (err) {
60 meta.text = ta.value
61 meta.mentions = mentions(ta.value).map(function (mention) {
62 // merge markdown-detected mention with file info
63 var file = filesById[mention.link]
64 if (file) {
65 if (file.type) mention.type = file.type
66 if (file.size) mention.size = file.size
67 }
68 return mention
69 })
70 try {
71 meta = prepublish(meta)
72 } catch (err) {
73 publishBtn.disabled = false
74 if (cb) cb(err)
75 else alert(err.message)
76 }
77 return message_confirm(meta, done)
78 }
79 message_confirm(content, done)
80
81 function done (err, msg) {
82 publishBtn.disabled = false
83 if(err) return alert(err.stack)
84 else if (msg) ta.value = ''
85
86 if (cb) cb(err, msg)
87 }
88 }
89
90
91 var publishBtn = h('button', 'Publish', {onclick: publish})
92 var composer =
93 h('div.compose', h('div.column', ta,
94 accessories = h('div.row.compose__controls',
95 //hidden until you focus the textarea
96 {style: {display: 'none'}},
97 file_input(function (file) {
98 files.push(file)
99 filesById[file.link] = file
100
101 var embed = file.type.indexOf('image/') === 0 ? '!' : ''
102 ta.value += embed + '['+file.name+']('+file.link+')'
103 console.log('added:', file)
104 }),
105 publishBtn)
106 )
107 )
108
109 suggest(ta, function (word, cb) {
110 cont.para(exports.suggest.map(function (fn) {
111 return function (cb) { fn(word, cb) }
112 }))
113 (function (err, results) {
114 if(err) console.error(err)
115 results = results.reduce(function (ary, item) {
116 return ary.concat(item)
117 }, []).sort(function (a, b) {
118 return b.rank - a.rank
119 }).filter(Boolean)
120
121 cb(null, results)
122 })
123 }, {})
124
125 return composer
126
127}
128
129

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