-
Notifications
You must be signed in to change notification settings - Fork 7
/
Copy pathMarkdownView.py
748 lines (638 loc) · 23 KB
/
MarkdownView.py
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
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
#coding: utf-8
#!python2
import ui
from markdown2 import markdown
from urllib import quote, unquote
import clipboard
import webbrowser
from string import Template
#from RootView import RootView
from objc_util import ObjCClass, ObjCInstance, sel, on_main_thread
class MarkdownView(ui.View):
def __init__(self, frame = None, flex = None, background_color = None, name = None, accessory_keys = True, extras = [], css = None):
if frame: self.frame = frame
if flex: self.flex = flex
if background_color: self.background_color = background_color
if name: self.name = name
self.extras = extras
self.css = css or self.default_css
self.proxy_delegate = None
self.enable_links = True
self.editing = False
self.margins = (10, 10, 10, 10)
self.link_prefix = 'pythonista-markdownview:relay?content='
self.debug_prefix = 'pythonista-markdownview:debug?content='
self.init_postfix = '#pythonista-markdownview-initialize'
self.in_doc_prefix = ''
self.to_add_to_beginning = ('', -1)
self.backpanel = ui.View()
self.add_subview(self.backpanel)
# Web fragment is used to find the right scroll position when moving from editing to viewing
self.web_fragment = ui.WebView()
self.web_fragment.hidden = True
self.web_fragment.delegate = MarkdownView.ScrollLoadDelegate()
self.add_subview(self.web_fragment)
self.markup = ui.TextView()
self.add_subview(self.markup)
self.markup.font = ('<system>', 12)
self.web = ui.WebView()
self.web.scales_page_to_fit = False
self.web.content_mode = ui.CONTENT_TOP_LEFT
self.add_subview(self.web)
self.web.delegate = self
self.markup.delegate = self
self.markup.text = ''
self.update_html()
self.markup.bounces = False
# Ghosts are used to determine preferred size
self.markup_ghost = ui.TextView()
self.markup_ghost.hidden = True
#self.add_subview(self.markup_ghost)
self.web_ghost = ui.WebView()
self.web_ghost.hidden = True
#self.add_subview(self.web_ghost)
if accessory_keys:
self.create_accessory_toolbar()
htmlIntro = Template('''
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<title>Markdown</title>
<style>
$css
</style>
<script type="text/javascript">
function debug(msg) {
var d = document.getElementById("debug");
d.href="$debug_prefix" + msg;
d.click();
}
function activateLinks() {
content = document.getElementById("content");
links = content.getElementsByTagName("a");
for(var i = 0; i < links.length; i++) {
links[i].addEventListener('click', anchor_click);
}
}
function anchor_click() {
var e = window.event;
e.stopPropagation();
return false;
}
function text_position() {
var e = window.event;
var c = document.getElementById("content");
var r = document.getElementById("relay");
var range = new Range();
range.selectNodeContents(c);
var rangeEnd = document.caretRangeFromPoint(e.clientX, e.clientY);
range.setEnd(rangeEnd.startContainer, rangeEnd.startOffset);
r.href="$link_prefix"+encodeURIComponent(range.toString());
r.click();
}
function initialize() {
//scrollElem = document.getElementById("scroll_here");
//if (scrollElem) {
//scrollElem.scrollIntoView();
//fromTop = scrollElem.getBoundingClientRect().top;
//window.scrollBy(0, -window.innerHeight/2+fromTop);
//}
var scrollPos = $scroll_pos;
if (scrollPos > -1) {
var totalHeight = document.getElementById("content").clientHeight;
var halfScreen = window.innerHeight/2;
if ((totalHeight - scrollPos) > halfScreen) {
scrollPos -= halfScreen;
}
window.scrollBy(0, scrollPos);
activateLinks();
var r = document.getElementById("relay");
r.href = "$init_postfix"
r.click()
}
}
</script>
</head>
<body onload="initialize()">
<a id="relay" style="display:none"></a>
<a id="debug" style="display:none"></a>
<div id="content" onclick="text_position()">
''')
htmlOutro = '''
</div>
</body>
</html>
'''
default_css = '''
* {
font-size: $font_size;
font-family: $font_family;
color: $text_color;
text-align: $text_align;
-webkit-text-size-adjust: none;
-webkit-tap-highlight-color: transparent;
}
h1 {
font-size: larger;
}
h3 {
font-style: italic;
}
h4 {
font-weight: normal;
font-style: italic;
}
code {
font-family: monospace;
}
li {
margin: .4em 0;
}
body {
#line-height: 1;
background: $background_color;
}
'''
def to_html(self, md = None, scroll_pos = -1, content_only = False):
md = md or self.markup.text
result = markdown(md, extras=self.extras)
if not content_only:
intro = Template(self.htmlIntro.safe_substitute(css = self.css))
(font_name, font_size) = self.font
result = intro.safe_substitute(
background_color = self.to_css_rgba(self.markup.background_color),
text_color = self.to_css_rgba(self.markup.text_color),
font_family = font_name,
text_align = self.to_css_alignment(),
font_size = str(font_size)+'px',
init_postfix = self.init_postfix,
link_prefix = self.link_prefix,
debug_prefix = self.debug_prefix,
scroll_pos = scroll_pos
) + result + self.htmlOutro
return result
def to_css_rgba(self, color):
return 'rgba({:.0f},{:.0f},{:.0f},{})'.format(color[0]*255, color[1]*255, color[2]*255, color[3])
def to_css_alignment(self):
mapping = { ui.ALIGN_LEFT: 'left', ui.ALIGN_CENTER: 'center', ui.ALIGN_RIGHT: 'right', ui.ALIGN_JUSTIFIED: 'justify', ui.ALIGN_NATURAL: 'start' }
return mapping[self.markup.alignment]
def update_html(self):
html = self.to_html(self.markup.text, 0)
self.web.load_html(html)
html_ghost = self.to_html(self.markup.text)
self.web_fragment.load_html(html_ghost)
'''ACCESSORY TOOLBAR'''
@on_main_thread
def create_accessory_toolbar(self):
from objc_util import ObjCClass, ObjCInstance, sel
def create_button(label, func):
button_width = 25
black = ObjCClass('UIColor').alloc().initWithWhite_alpha_(0.0, 1.0)
action_button = ui.Button()
action_button.action = func
accessory_button = ObjCClass('UIBarButtonItem').alloc().initWithTitle_style_target_action_(label, 0, action_button, sel('invokeAction:'))
accessory_button.width = button_width
accessory_button.tintColor = black
return (action_button, accessory_button)
vobj = ObjCInstance(self.markup)
keyboardToolbar = ObjCClass('UIToolbar').alloc().init()
keyboardToolbar.sizeToFit()
button_width = 25
black = ObjCClass('UIColor').alloc().initWithWhite_alpha_(0.0, 1.0)
# Create the buttons
# Need to retain references to the buttons used
# to handle clicks
(self.indentButton, indentBarButton) = create_button(u'\u21E5', self.indent)
(self.outdentButton, outdentBarButton) = create_button(u'\u21E4', self.outdent)
(self.quoteButton, quoteBarButton) = create_button('>', self.block_quote)
(self.linkButton, linkBarButton) = create_button('[]', self.link)
#(self.anchorButton, anchorBarButton) = create_button('<>', self.anchor)
(self.hashButton, hashBarButton) = create_button('#', self.heading)
(self.numberedButton, numberedBarButton) = create_button('1.', self.numbered_list)
(self.listButton, listBarButton) = create_button('•', self.unordered_list)
(self.underscoreButton, underscoreBarButton) = create_button('_', self.insert_underscore)
(self.backtickButton, backtickBarButton) = create_button('`', self.insert_backtick)
# Flex between buttons
f = ObjCClass('UIBarButtonItem').alloc().initWithBarButtonSystemItem_target_action_(5, None, None)
doneBarButton = ObjCClass('UIBarButtonItem').alloc().initWithBarButtonSystemItem_target_action_(0, vobj, sel('endEditing:'))
keyboardToolbar.items = [indentBarButton, f, outdentBarButton, f, quoteBarButton, f, linkBarButton, f, hashBarButton, f, numberedBarButton, f, listBarButton, f, underscoreBarButton, f, backtickBarButton, f, doneBarButton]
vobj.inputAccessoryView = keyboardToolbar
def indent(self, sender):
def func(line):
return ' ' + line
self.transform_lines(func)
def outdent(self, sender):
def func(line):
if str(line).startswith(' '):
return line[2:]
self.transform_lines(func, ignore_spaces = False)
def insert_underscore(self, sender):
self.insert_character('_', '___')
def insert_backtick(self, sender):
self.insert_character('`', '`')
def insert_character(self, to_insert, to_remove):
tv = self.markup
(start, end) = tv.selected_range
(r_start, r_end) = (start, end)
r_len = len(to_remove)
if start != end:
if tv.text[start:end].startswith(to_remove):
if end - start > 2*r_len + 1 and tv.text[start:end].endswith(to_remove):
to_insert = tv.text[start+r_len:end-r_len]
r_end = end-2*r_len
elif start-r_len > 0 and tv.text[start-r_len:end].startswith(to_remove):
if end+r_len <= len(tv.text) and tv.text[start:end+r_len].endswith(to_remove):
to_insert = tv.text[start:end]
start -= r_len
end += r_len
r_start = start
r_end = end-2*r_len
else:
r_end = end + 2*len(to_insert)
to_insert = to_insert + tv.text[start:end] + to_insert
tv.replace_range((start, end), to_insert)
if start != end:
tv.selected_range = (r_start, r_end)
def heading(self, sender):
def func(line):
return line[3:] if str(line).startswith('###') else '#' + line
self.transform_lines(func, ignore_spaces = False)
def numbered_list(self, data):
def func(line):
if line.startswith('1. '):
return line[3:]
else:
return '1. ' + (line[2:] if line.startswith('* ') else line)
self.transform_lines(func)
def unordered_list(self, sender):
def func(line):
if str(line).startswith('* '):
return line[2:]
else:
return '* ' + (line[3:] if line.startswith('1. ') else line)
self.transform_lines(func)
def block_quote(self, sender):
def func(line):
return '> ' + line
self.transform_lines(func, ignore_spaces = False)
def link(self, sender):
templ = "[#]($)"
(start, end) = self.markup.selected_range
templ = templ.replace('$', self.markup.text[start:end])
new_start = start + templ.find('#')
new_end = new_start + (end - start)
templ = templ.replace('#', self.markup.text[start:end])
self.markup.replace_range((start, end), templ)
self.markup.selected_range = (new_start, new_end)
'''
OBSOLETE: Use heading-ids or toc markdown extra instead
* __<>__ - In-document links - Creates an anchor (`<a>` tag) after the selection, assumed to be some heading text. At the same time, places a link to the anchor on the clipboard, typically to be pasted in a table of contents.
'''
def anchor(self, sender):
templ = " <a name='#'></a>"
(start, end) = self.markup.selected_range
link_label = self.markup.text[start:end]
link_name = quote(self.markup.text[start:end])
templ = templ.replace('#', link_name)
self.markup.replace_range((end, end), templ)
link = "[" + link_label + "](#" + link_name + ")"
clipboard.set(link)
def make_list(self, list_marker):
self.get_lines()
def transform_lines(self, func, ignore_spaces = True):
(orig_start, orig_end) = self.markup.selected_range
(lines, start, end) = self.get_lines()
replacement = []
for line in lines:
spaces = ''
if ignore_spaces:
space_count = len(line) - len(line.lstrip(' '))
if space_count > 0:
spaces = line[:space_count]
line = line[space_count:]
replacement.append(spaces + func(line))
self.markup.replace_range((start, end), '\n'.join(replacement))
new_start = orig_start + len(replacement[0]) - len(lines[0])
if new_start < start:
new_start = start
end_displacement = 0
for index, line in enumerate(lines):
end_displacement += len(replacement[index]) - len(line)
new_end = orig_end + end_displacement
if new_end < new_start:
new_end = new_start
self.markup.selected_range = (new_start, new_end)
def get_lines(self):
(start, end) = self.markup.selected_range
text = self.markup.text
new_start = text.rfind('\n', 0, start)
new_start = 0 if new_start == -1 else new_start + 1
new_end = text.find('\n', end)
if new_end == -1: new_end = len(text)
#else: new_end -= 1
if new_end < new_start: new_end = new_start
return (text[new_start:new_end].split('\n'), new_start, new_end)
def layout(self):
(top, left, bottom, right) = self.margins
self.backpanel.frame = (0, 0, self.width, self.height)
self.markup.frame = (left, top, self.width - left - right, self.height - top - bottom)
self.web.frame = self.markup.frame
def start_editing(self, words):
if not self.markup.editable:
return
self.web.hidden = True
self.editing = True
caret_pos = 0
marked = self.markup.text
for word in words:
caret_pos = marked.find(word, caret_pos) + len(word)
self.markup.begin_editing()
self.markup.selected_range = (caret_pos, caret_pos)
'''VIEW PROXY PROPERTIES'''
@property
def background_color(self):
return self.markup.background_color
@background_color.setter
def background_color(self, value):
self.markup.background_color = value
self.backpanel.background_color = value
#self.background_color = value
self.update_html()
'''SIZING METHODS'''
def size_to_fit(self, using='current', min_width=None, max_width=None, min_height=None, max_height=None):
(self.width, self.height) = self.preferred_size(using)
def preferred_size(self, using='current', min_width=None, max_width=None, min_height=None, max_height=None):
if using=='current':
using = 'markdown' if self.editing else 'html'
if using=='markdown':
self.markup_ghost.text = self.markup.text
view = self.markup_ghost
else:
view = self.web_ghost
view.size_to_fit()
if max_width and view.width > max_width:
view.width = max_width
view.size_to_fit()
if max_width and view.width > max_width:
view.width = max_width
if min_width and view.width < min_width:
view.width = min_width
if max_height and view.height > max_height:
view.height = max_height
if min_height and view.height < min_height:
view.height = min_height
return (view.width, view.height)
'''TEXTVIEW PROXY PROPERTIES'''
@property
def alignment(self):
return self.markup.alignment
@alignment.setter
def alignment(self, value):
self.markup.alignment = value
self.update_html()
@property
def autocapitalization_type(self):
return self.markup.autocapitalization_type
@autocapitalization_type.setter
def autocapitalization_type(self, value):
self.markup.autocapitalization_type = value
@property
def autocorrection_type(self):
return self.markup.autocorrection_type
@autocorrection_type.setter
def autocorrection_type(self, value):
self.markup.autocorrection_type = value
@property
def auto_content_inset(self):
return self.markup.auto_content_inset
@auto_content_inset.setter
def auto_content_inset(self, value):
self.markup.auto_content_inset = value
@property
def delegate(self):
return self.proxy_delegate
@delegate.setter
def delegate(self, value):
self.proxy_delegate = value
@property
def editable(self):
return self.markup.editable
@editable.setter
def editable(self, value):
self.markup.editable = value
@property
def font(self):
return self.markup.font
@font.setter
def font(self, value):
self.markup.font = value
self.update_html()
@property
def keyboard_type(self):
return self.markup.keyboard_type
@keyboard_type.setter
def keyboard_type(self, value):
self.markup.keyboard_type = value
@property
def selectable(self):
return self.markup.selectable
@selectable.setter
def selectable(self, value):
self.markup.selectable = value
@property
def selected_range(self):
return self.markup.selected_range
@selected_range.setter
def selected_range(self, value):
self.markup.selected_range = value
@property
def spellchecking_type(self):
return self.markup.spellchecking_type
@spellchecking_type.setter
def spellchecking_type(self, value):
self.markup.spellchecking_type = value
@property
def text(self):
return self.markup.text
@text.setter
def text(self, value):
self.markup.text = value
self.update_html()
@property
def text_color(self):
return self.markup.text_color
@text_color.setter
def text_color(self, value):
self.markup.text_color = value
self.update_html()
'''TEXTVIEW PROXY METHODS'''
def replace_range(self, range, text):
self.markup.replace_range(range, text)
self.update_html()
'''WEBVIEW PROXY PROPERTIES'''
@property
def scales_page_to_fit(self):
return self.web.scales_page_to_fit
@scales_page_to_fit.setter
def scales_page_to_fit(self, value):
self.web.scales_page_to_fit = value
#def keyboard_frame_did_change(self, frame):
#if self.custom_keys:
#self.custom_keys.change(frame, self.markup)
def can_call(self, func_name):
if not self.proxy_delegate:
return False
return callable(getattr(self.proxy_delegate, func_name, None))
'''TEXTVIEW DELEGATES'''
def textview_did_end_editing(self, textview):
(start, end) = self.markup.selected_range
html_fragment = self.to_html(self.markup.text[0:start])
self.web_fragment.frame = self.web.frame
self.web_fragment.delegate.end_edit = True
self.web_fragment.load_html(html_fragment)
class ScrollLoadDelegate():
def __init__(self):
self.end_edit = False
def webview_did_finish_load(self, webview):
if not self.end_edit: return
self.end_edit = False
m = webview.superview
scroll_pos = int(webview.eval_js('document.getElementById("content").clientHeight'))
html = m.to_html(m.markup.text, scroll_pos)
m.web.load_html(html)
html_ghost = m.to_html(m.markup.text)
m.web_ghost.load_html(html_ghost)
#m.web.hidden = False
m.editing = False
if m.can_call('textview_did_end_editing'):
m.proxy_delegate.textview_did_end_editing(textview)
def textview_should_change(self, textview, range, replacement):
should_change = True
self.to_add_to_beginning = ('', -1)
if self.can_call('textview_should_change'):
should_change = self.proxy_delegate.textview_should_change(textview, range, replacement)
if should_change == True and replacement == '\n': #and range[0] == range[1]
pos = range[0]
next_line_prefix = ''
# Get to next line
pos = self.markup.text.rfind('\n', 0, pos)
if not pos == -1:
pos = pos + 1
rest = self.markup.text[pos:]
# Copy leading spaces
space_count = len(rest) - len(rest.lstrip(' '))
if space_count > 0:
next_line_prefix += rest[:space_count]
rest = rest[space_count:]
# Check for prefixes
prefixes = [ '1. ', '+ ', '- ', '* ']
for prefix in prefixes:
if rest.startswith(prefix):
next_line_prefix += prefix
break
if len(next_line_prefix) > 0:
diff = range[0] - pos
if diff < len(next_line_prefix):
next_line_prefix = next_line_prefix[:diff]
self.to_add_to_beginning = (next_line_prefix, range[0]+1)
return should_change
def textview_did_change(self, textview):
add = self.to_add_to_beginning
if add[1] > -1:
self.to_add_to_beginning = ('', -1)
self.markup.replace_range((add[1], add[1]), add[0])
if self.can_call('textview_did_change'):
self.proxy_delegate.textview_did_change(textview)
def textview_should_begin_editing(self, textview):
if self.can_call('textview_should_begin_editing'):
return self.proxy_delegate.textview_should_begin_editing(textview)
else:
return True
def textview_did_begin_editing(self, textview):
if self.can_call('textview_did_begin_editing'):
self.proxy_delegate.textview_did_begin_editing(textview)
def textview_did_change_selection(self, textview):
if self.can_call('textview_did_change_selection'):
self.proxy_delegate.textview_did_change_selection(textview)
'''WEBVIEW DELEGATES'''
def webview_should_start_load(self, webview, url, nav_type):
# Click, should start edit in markdown
if url.startswith(self.link_prefix):
left_side = unquote(url.replace(self.link_prefix, ''))
self.start_editing(left_side.split())
#webview.stop()
return False
# Debug message from web page, print to console
elif url.startswith(self.debug_prefix):
debug_text = unquote(url.replace(self.debug_prefix, ''))
print debug_text
return False
# Loaded by the web view at start, allow
elif url.startswith('about:blank'):
return True
# Custom WebView initialization message
# Used to check if in-doc links starting with '#'
# have extra stuff in front
elif url.endswith(self.init_postfix):
self.in_doc_prefix = url[:len(url)-len(self.init_postfix)]
self.web.hidden = False
return False
# If link starts with the extra stuff detected
# at initialization, remove the extra
if url.startswith(self.in_doc_prefix):
url = url[len(self.in_doc_prefix):]
# Check for custom link handling
if self.can_call('webview_should_start_load'):
return self.proxy_delegate.webview_should_start_load(webview, url, nav_type)
# Handle in-doc links within the page
elif url.startswith('#'):
if self.can_call('webview_should_load_internal_link'):
return self.proxy_delegate.webview_should_load_internal_link(webview, url)
return True
# Open 'http(s)' links in Safari
# 'file' in built-in browser
# Others like 'twitter' as OS decides
else:
if self.can_call('webview_should_load_external_link'):
return self.proxy_delegate.webview_should_load_external_link(webview, url)
if url.startswith('http:') or url.startswith('https:'):
url = 'safari-' + url
webbrowser.open(url)
return False
def webview_did_start_load(self, webview):
if self.can_call('webview_did_start_load'):
self.proxy_delegate.webview_did_start_load(webview)
def webview_did_finish_load(self, webview):
#if not self.editing:
#self.web.hidden = False
if self.can_call('webview_did_finish_load'):
self.proxy_delegate.webview_did_finish_load(webview)
def webview_did_fail_load(self, webview, error_code, error_msg):
if self.can_call('webview_did_fail_load'):
self.proxy_delegate.webview_did_fail_load(webview, error_code, error_msg)
### CUT HERE - everything below this line is for demonstration only and can be removed for production
if __name__ == "__main__":
import os
readme_filename = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'readme.md')
class SaveDelegate (object):
def textview_did_change(self, textview):
with open(readme_filename, "w") as file_out:
file_out.write(textview.text)
init_string = ''
markdown_edit = MarkdownView(extras = ["header-ids"])
# Use this if you do not want accessory keys:
#markdown_edit = MarkdownView(accessory_keys = False)
markdown_edit.name = 'MarkdownView Documentation'
if os.path.exists(readme_filename):
with open(readme_filename) as file_in:
init_string = file_in.read()
markdown_edit.text = init_string
markdown_edit.delegate = SaveDelegate()
markdown_edit.font = ('Apple SD Gothic Neo', 16)
markdown_edit.background_color = '#f7f9ff'
markdown_edit.text_color = '#030b60'
markdown_edit.margins = (10, 10, 10, 10)
# Examples of other attributes to set:
#markdown_edit.alignment = ui.ALIGN_JUSTIFIED
#markdown_edit.editable = False
markdown_edit.present(style='fullscreen', hide_title_bar=False)