-
Notifications
You must be signed in to change notification settings - Fork 0
/
index.html
459 lines (386 loc) · 12.3 KB
/
index.html
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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
<html>
<head>
<title>Outline test</title>
<meta charset="UTF-8"/>
<script>
var doubleLink = function(data){
if(data.items)
for(i of data.items){
i.parent=data;
doubleLink(i);
}
}
var eraseChildren = function(node){
node.innerHTML=''
//while(node.firstChild) node.removeChild(node.firstChild)
}
current = {}
last_collapsed = false;
var render = function(data){
if(current != data) {
current.collapsed = last_collapsed;
last_collapsed = data.collapsed
data.collapsed = false
current = data;
}
var filtertxt = document.getElementsByName("filter")[0].value
var editable = document.getElementsByName('editable')[0].checked
var main = document.getElementById("main")
renderTree(main, data, filtertxt, editable)
renderBreadcrumb(document.getElementById("breadcrumb"), data)
addHashTagHandlers(main, "hashtag")
addHashTagHandlers(main, "attag")
}
var deleteItem = function (data, hard) {
if(!data.parent || data == current) return;
var a = data.parent.items
var i = a.indexOf(data)
if(hard) {
a.splice(i,1)
return;
}
data.parent.items = a.slice(0, i).concat(data.items || []).concat(a.slice(i+1))
if(data.items)
for(var item of data.items){
item.parent = data.parent
}
}
var indent = function(data){
var a = data.parent.items
var i = a.indexOf(data)
if(i <= 0) return;
a.splice(i,1)
if(!a[i-1].items)
a[i-1].items = []
a[i-1].items.push(data)
data.parent = a[i-1]
}
var dedent = function(data) {
if(!data.parent || !data.parent.parent) return;
var a = data.parent.items
var i = a.indexOf(data)
if(i < 0) return;
if(!data.items)
data.items = []
data.items = data.items.concat(a.splice(i+1, 999))
if(data.items.length == 0)
delete data.items
a.pop()
if(a.length ==0)
delete data.parent.items
var b = data.parent.parent.items
var j = b.indexOf(data.parent)
b.splice(j+1,0,data)
data.parent = data.parent.parent
doubleLink(data)
}
var swap = function(data, delta) {
var a = data.parent.items
var i = a.indexOf(data)
var j = i + delta;
if(j < 0 || j >= a.length) return;
a[i] = a[j]
a[j] = data
}
insertnext = function(data, txt, j) {
var a = data.parent.items
var i = a.indexOf(data)
data.selected = false
toAdd = {"_":txt, "selected":true, "parent":data.parent}
a.splice(i+j,0,toAdd)
}
insertchild = function(data, txt) {
data.selected = false
data.collapsed = false
toAdd = {"_":txt, "selected":true, "parent":data}
if(!data.items) data.items = []
data.items.push(toAdd)
}
var nextStatus = function(data){
statuses = "+-✔"
i = statuses.indexOf(data.status || '') + 1 + statuses.length
data.status = statuses[i % statuses.length]
}
var setSelected = function(idx, delta) {
var leaves = document.getElementsByClassName("leaf")
var selected = 0
if(leaves.selected) {
while(leaves.selected != leaves[selected]) selected++;
}
selected = ((delta ? selected + delta : idx) + leaves.length) % leaves.length
setSelected2(leaves[selected])
}
var setSelected2 = function(newNode) {
var old = document.getElementById("selected")
if(old) {
old.setAttribute('id', null)
if(old.data) old.data.selected = false
}
newNode.setAttribute("id", "selected")
if(newNode.data) newNode.data.selected = true
}
var addHashTagHandlers = function(node, className) {
for(var tag of node.getElementsByClassName(className)){
tag.onclick = (function(i){
return function(e){
e.stopPropagation()
document.getElementsByName("filter")[0].value = i
render(current)
}
})(tag.textContent)
}
}
var renderLeaf = function(node, txt){
node.innerHTML = txt
.replace(/(#\w+)/g, '<a href=# class=hashtag>$1</a>')
.replace(/(@\w+)/g, '<a href=# class=attag>$1</a>')
}
var renderTree = function(node, data, filtertxt, editable) {
eraseChildren(node);
toDraw = !filtertxt || data["_"].search(filtertxt) >= 0
if(!toDraw) data.selected = false
//drilldown
var popNode = document.createElement('span');
popNode.setAttribute("class", "leaf")
renderLeaf(popNode, data["_"])
if(data.selected)
popNode.setAttribute("id", "selected")
popNode.data = data
popNode.ondblclick = function(){
render(data)
}
popNode.onclick = !editable ? popNode.ondblclick : function(){
if(!data.selected) {
setSelected2(popNode)
} else {
var oldText = popNode.innerHTML
popNode.innerHTML = ""
popNode.innerText = data["_"]
popNode.setAttribute('contentEditable', 'true')
popNode.focus()
}
}
if(editable)
popNode.onblur = function(){
popNode.setAttribute('contentEditable', 'false')
var txt = popNode.innerText
if(!txt) {
deleteItem(data, false)
} else{
data['_'] = txt
}
render(current)
}
if(toDraw) node.appendChild(popNode);
if(!data.items) return;
//collapseToggle
var collapseNode = document.createElement('a');
collapseNode.textContent = data.status || data.collapsed ? '+' : '-'
collapseNode.setAttribute("class", "collapsed-" + (data.collapsed == true) )
collapseNode.onclick = function() {
setSelected2(popNode)
data.collapsed = !data.collapsed;
render(current)
}
if(toDraw) node.insertBefore(collapseNode, node.firstChild)
if(data.collapsed && toDraw) {
return
}
for(i of data.items){
var childNode = document.createElement("div");
node.appendChild(childNode)
renderTree(childNode, i, filtertxt, editable);
}
}
var renderBreadcrumb = function(node, data){
eraseChildren(node)
while(data.parent) {
data = data.parent
var childNode = document.createElement('a')
childNode.textContent = data['_']
childNode.onclick = (function(i,f){
return function(){render(i)}
})(data)
node.insertBefore(document.createTextNode(' > '), node.firstChild)
node.insertBefore(childNode, node.firstChild)
}
}
function keys(key) {
var filter = document.getElementsByName('filter')[0]
var selected = document.getElementById('selected')
var editable = document.getElementsByName('editable')[0].checked
var editing = selected && selected.getAttribute('contentEditable') == 'true'
if(document.activeElement.name == 'filter' && key.which != 27){
render(current)
if(selected == null && document.getElementsByClassName("leaf").length > 0) setSelected(0,0)
return;
}
if(editing && [10,13,27].indexOf(key.which) < 0) return false;
if (true) {
switch (key.which) {
case 8: // backspace
if(current.parent)
render(current.parent);
break;
case 10: // return
case 13: // enter
if(editing) {
selected.blur()
insertnext(selected.data, filter.value,1);
render(current)
document.getElementById('selected').click()
break;
}
selected.ondblclick()
break;
case 27: //escape
if(!editing) {
filter.value = ''
}
document.activeElement.blur()
render(current)
break;
case 32: // spacebar
selected.onclick()
break;
case 39: // rightkey
case 76: //l
if(key.shiftKey && editable){
indent(selected.data);
render(current)
break;
}
if(selected.data.collapsed) {
selected.data.collapsed = false;
render(current)
break
}
case 74: //j
case 40: // downkey
if(key.shiftKey && editable) {
swap(data, 1)
render(current)
break;
}
setSelected(0, 1)
break;
case 37: // leftkey
case 72: // h
if(key.shiftKey && editable) {
dedent(selected.data);
render(current)
break;
}
if(selected.data.items && !selected.data.collapsed) {
selected.data.collapsed = true;
render(current)
break
}
case 75://k
case 38: // upkey
if(key.shiftKey && editable) {
swap(data, -1)
render(current)
break;
}
setSelected(0, -1)
break;
case 191: //slash
filter.focus()
break;
case 79: // o new item above / below
if(!editable) break;
insertnext(selected.data, filter.value,key.shiftKey ? 0 : 1);
render(current)
document.getElementById('selected').click()
break
case 65: // a appends a child
if(!editable) break;
insertchild(selected.data, filter.value);
render(current)
document.getElementById('selected').click()
break
case 83: // s
if(!editable) break;
nextStatus(selected.data);
render(current)
break;
case 87 : // w for write
download();
break;
case 90: // z
selected.data.collapsed =!selected.data.collapsed;
render(current)
break;
case 68: // d delete
if(!editable) break;
deleteItem(selected.data, key.shiftKey)
render(current)
break;
}
}
return false;
}
window.onload = function(){
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
// Typical action to be performed when the document is ready:
outline = JSON.parse(xhttp.responseText)
doubleLink(outline)
document.onkeyup = keys
render(outline)
setSelected(0,0)
}
};
xhttp.open("GET", "outline.json", true);
xhttp.send();
document.getElementsByName('editable')[0].onclick = function(){render(current)}
}
//from https://stackoverflow.com/a/18197341/986793
var download = function() {
var tidy = function(obj){
var out = { "_":obj["_"] }
if(obj.status) out.status = obj.status
if(obj.collapsed) out.collapsed = obj.collapsed
if(obj.items && obj.items.length > 0) out.items = obj.items.map(tidy)
return out;
}
var text = JSON.stringify(tidy(outline))
var element = document.createElement('a');
element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
element.setAttribute('download', 'outline.json');
element.style.display = 'none';
document.body.appendChild(element);
element.click();
document.body.removeChild(element);
}
</script>
<style>
div {margin-left: 1em}
span[contentEditable="true"] {background: #CCC}
#selected.leaf {border: 1px dotted}
.attag { color: green }
.hashtag { color: blue }
a.collapsed-true {color:orange}
a.collapsed-true, a.collapsed-false {margin-left: -1em; width: 1em; display:inline-block}
.wrap {margin-left:100px; margin-right:100px}
div.filter {text-align: right}
div#breadcrumb {float:left}
div#main > span.leaf {font-size: 175%}
div#main > div > span.leaf {font-size: 150%}
div#main > div > div >span.leaf {font-size: 125%}
</style>
</head>
<body>
<div class=wrap>
<header>Neal's todos...</header>
<hr/>
<div id=breadcrumb></div>
<div class=filter><input name=filter></input></div>
<hr/>
<div id=main></div>
<hr/>
<input type=checkbox name=editable>edit mode</input>
</div>
</body>