-
Notifications
You must be signed in to change notification settings - Fork 1.2k
/
taBind.js
1176 lines (1123 loc) · 69.1 KB
/
taBind.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
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
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
angular.module('textAngular.taBind', ['textAngular.factories', 'textAngular.DOM'])
.service('_taBlankTest', [function(){
return function(_blankVal){
// we radically restructure this code.
// what was here before was incredibly fragile.
// What we do now is to check that the html is non-blank visually
// which we check by looking at html->text
if(!_blankVal) return true;
// find first non-tag match - ie start of string or after tag that is not whitespace
// var t0 = performance.now();
// Takes a small fraction of a mSec to do this...
var _text_ = stripHtmlToText(_blankVal);
// var t1 = performance.now();
// console.log('Took', (t1 - t0).toFixed(4), 'milliseconds to generate:');
if (_text_=== '') {
// img generates a visible item so it is not blank!
if (/<img[^>]+>/.test(_blankVal)) {
return false;
}
return true;
} else {
return false;
}
};
}])
.directive('taButton', [function(){
return {
link: function(scope, element, attrs){
element.attr('unselectable', 'on');
element.on('mousedown', function(e, eventData){
/* istanbul ignore else: this is for catching the jqLite testing*/
if(eventData) angular.extend(e, eventData);
// this prevents focusout from firing on the editor when clicking toolbar buttons
e.preventDefault();
return false;
});
}
};
}])
.directive('taBind', [
'taSanitize', '$timeout', '$document', 'taFixChrome', 'taBrowserTag',
'taSelection', 'taSelectableElements', 'taApplyCustomRenderers', 'taOptions',
'_taBlankTest', '$parse', 'taDOM', 'textAngularManager',
function(
taSanitize, $timeout, $document, taFixChrome, taBrowserTag,
taSelection, taSelectableElements, taApplyCustomRenderers, taOptions,
_taBlankTest, $parse, taDOM, textAngularManager){
// Uses for this are textarea or input with ng-model and ta-bind='text'
// OR any non-form element with contenteditable="contenteditable" ta-bind="html|text" ng-model
return {
priority: 2, // So we override validators correctly
require: ['ngModel','?ngModelOptions'],
link: function(scope, element, attrs, controller){
var ngModel = controller[0];
var ngModelOptions = controller[1] || {};
// the option to use taBind on an input or textarea is required as it will sanitize all input into it correctly.
var _isContentEditable = element.attr('contenteditable') !== undefined && element.attr('contenteditable');
var _isInputFriendly = _isContentEditable || element[0].tagName.toLowerCase() === 'textarea' || element[0].tagName.toLowerCase() === 'input';
var _isReadonly = false;
var _focussed = false;
var _skipRender = false;
var _disableSanitizer = attrs.taUnsafeSanitizer || taOptions.disableSanitizer;
var _keepStyles = attrs.taKeepStyles || taOptions.keepStyles;
var _lastKey;
// see http://www.javascripter.net/faq/keycodes.htm for good information
// NOTE Mute On|Off 173 (Opera MSIE Safari Chrome) 181 (Firefox)
// BLOCKED_KEYS are special keys...
// Tab, pause/break, CapsLock, Esc, Page Up, End, Home,
// Left arrow, Up arrow, Right arrow, Down arrow, Insert, Delete,
// f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12
// NumLock, ScrollLock
var BLOCKED_KEYS = /^(9|19|20|27|33|34|35|36|37|38|39|40|45|112|113|114|115|116|117|118|119|120|121|122|123|144|145)$/i;
// UNDO_TRIGGER_KEYS - spaces, enter, delete, backspace, all punctuation
// Backspace, Enter, Space, Delete, (; :) (Firefox), (= +) (Firefox),
// Numpad +, Numpad -, (; :), (= +),
// (, <), (- _), (. >), (/ ?), (` ~), ([ {), (\ |), (] }), (' ")
// NOTE - Firefox: 173 = (- _) -- adding this to UNDO_TRIGGER_KEYS
var UNDO_TRIGGER_KEYS = /^(8|13|32|46|59|61|107|109|173|186|187|188|189|190|191|192|219|220|221|222)$/i;
var _pasteHandler;
// defaults to the paragraph element, but we need the line-break or it doesn't allow you to type into the empty element
// non IE is '<p><br/></p>', ie is '<p></p>' as for once IE gets it correct...
var _defaultVal, _defaultTest;
var _CTRL_KEY = 0x0001;
var _META_KEY = 0x0002;
var _ALT_KEY = 0x0004;
var _SHIFT_KEY = 0x0008;
// KEYCODEs we use
var _ENTER_KEYCODE = 13;
var _SHIFT_KEYCODE = 16;
var _TAB_KEYCODE = 9;
var _LEFT_ARROW_KEYCODE = 37;
var _RIGHT_ARROW_KEYCODE = 39;
// map events to special keys...
// mappings is an array of maps from events to specialKeys as declared in textAngularSetup
var _keyMappings = [
// ctrl/command + z
{
specialKey: 'UndoKey',
forbiddenModifiers: _ALT_KEY + _SHIFT_KEY,
mustHaveModifiers: [_META_KEY + _CTRL_KEY],
keyCode: 90
},
// ctrl/command + shift + z
{
specialKey: 'RedoKey',
forbiddenModifiers: _ALT_KEY,
mustHaveModifiers: [_META_KEY + _CTRL_KEY, _SHIFT_KEY],
keyCode: 90
},
// ctrl/command + y
{
specialKey: 'RedoKey',
forbiddenModifiers: _ALT_KEY + _SHIFT_KEY,
mustHaveModifiers: [_META_KEY + _CTRL_KEY],
keyCode: 89
},
// TabKey
{
specialKey: 'TabKey',
forbiddenModifiers: _META_KEY + _SHIFT_KEY + _ALT_KEY + _CTRL_KEY,
mustHaveModifiers: [],
keyCode: _TAB_KEYCODE
},
// shift + TabKey
{
specialKey: 'ShiftTabKey',
forbiddenModifiers: _META_KEY + _ALT_KEY + _CTRL_KEY,
mustHaveModifiers: [_SHIFT_KEY],
keyCode: _TAB_KEYCODE
}
];
function _mapKeys(event) {
var specialKey;
_keyMappings.forEach(function (map){
if (map.keyCode === event.keyCode) {
var netModifiers = (event.metaKey ? _META_KEY: 0) +
(event.ctrlKey ? _CTRL_KEY: 0) +
(event.shiftKey ? _SHIFT_KEY: 0) +
(event.altKey ? _ALT_KEY: 0);
if (map.forbiddenModifiers & netModifiers) return;
if (map.mustHaveModifiers.every(function (modifier) { return netModifiers & modifier; })){
specialKey = map.specialKey;
}
}
});
return specialKey;
}
// set the default to be a paragraph value
if(attrs.taDefaultWrap === undefined) attrs.taDefaultWrap = 'p';
/* istanbul ignore next: ie specific test */
if(attrs.taDefaultWrap === ''){
_defaultVal = '';
_defaultTest = (_browserDetect.ie === undefined)? '<div><br></div>' : (_browserDetect.ie >= 11)? '<p><br></p>' : (_browserDetect.ie <= 8)? '<P> </P>' : '<p> </p>';
}else{
_defaultVal = (_browserDetect.ie === undefined || _browserDetect.ie >= 11)?
(attrs.taDefaultWrap.toLowerCase() === 'br' ? '<BR><BR>' : '<' + attrs.taDefaultWrap + '><br></' + attrs.taDefaultWrap + '>') :
(_browserDetect.ie <= 8)?
'<' + attrs.taDefaultWrap.toUpperCase() + '></' + attrs.taDefaultWrap.toUpperCase() + '>' :
'<' + attrs.taDefaultWrap + '></' + attrs.taDefaultWrap + '>';
_defaultTest = (_browserDetect.ie === undefined || _browserDetect.ie >= 11)?
(attrs.taDefaultWrap.toLowerCase() === 'br' ? '<br><br>' : '<' + attrs.taDefaultWrap + '><br></' + attrs.taDefaultWrap + '>') :
(_browserDetect.ie <= 8)?
'<' + attrs.taDefaultWrap.toUpperCase() + '> </' + attrs.taDefaultWrap.toUpperCase() + '>' :
'<' + attrs.taDefaultWrap + '> </' + attrs.taDefaultWrap + '>';
}
/* istanbul ignore else */
if(!ngModelOptions.$options) ngModelOptions.$options = {}; // ng-model-options support
var _ensureContentWrapped = function(value) {
if (_taBlankTest(value)) return value;
var domTest = angular.element("<div>" + value + "</div>");
//console.log('domTest.children().length():', domTest.children().length);
//console.log('_ensureContentWrapped', domTest.children());
//console.log(value, attrs.taDefaultWrap);
if (domTest.children().length === 0) {
// if we have a <br> and the attrs.taDefaultWrap is a <p> we need to remove the <br>
//value = value.replace(/<br>/i, '');
value = "<" + attrs.taDefaultWrap + ">" + value + "</" + attrs.taDefaultWrap + ">";
} else {
var _children = domTest[0].childNodes;
var i;
var _foundBlockElement = false;
for (i = 0; i < _children.length; i++) {
if (_foundBlockElement = _children[i].nodeName.toLowerCase().match(BLOCKELEMENTS)) break;
}
if (!_foundBlockElement) {
value = "<" + attrs.taDefaultWrap + ">" + value + "</" + attrs.taDefaultWrap + ">";
}
else{
value = "";
for(i = 0; i < _children.length; i++){
var node = _children[i];
var nodeName = node.nodeName.toLowerCase();
//console.log('node#:', i, 'name:', nodeName);
if(nodeName === '#comment') {
value += '<!--' + node.nodeValue + '-->';
} else if(nodeName === '#text') {
// determine if this is all whitespace, if so, we will leave it as it is.
// otherwise, we will wrap it as it is
var text = node.textContent;
if (!text.trim()) {
// just whitespace
value += text;
} else {
// not pure white space so wrap in <p>...</p> or whatever attrs.taDefaultWrap is set to.
value += "<" + attrs.taDefaultWrap + ">" + text + "</" + attrs.taDefaultWrap + ">";
}
} else if(!nodeName.match(BLOCKELEMENTS)){
/* istanbul ignore next: Doesn't seem to trigger on tests */
var _subVal = (node.outerHTML || node.nodeValue);
/* istanbul ignore else: Doesn't seem to trigger on tests, is tested though */
if(_subVal.trim() !== '')
value += "<" + attrs.taDefaultWrap + ">" + _subVal + "</" + attrs.taDefaultWrap + ">";
else value += _subVal;
} else {
value += node.outerHTML;
}
//console.log(value);
}
}
}
//console.log(value);
return value;
};
if(attrs.taPaste) {
_pasteHandler = $parse(attrs.taPaste);
}
element.addClass('ta-bind');
var _undoKeyupTimeout;
scope['$undoManager' + (attrs.id || '')] = ngModel.$undoManager = {
_stack: [],
_index: 0,
_max: 1000,
push: function(value){
if((typeof value === "undefined" || value === null) ||
((typeof this.current() !== "undefined" && this.current() !== null) && value === this.current())) return value;
if(this._index < this._stack.length - 1){
this._stack = this._stack.slice(0,this._index+1);
}
this._stack.push(value);
if(_undoKeyupTimeout) $timeout.cancel(_undoKeyupTimeout);
if(this._stack.length > this._max) this._stack.shift();
this._index = this._stack.length - 1;
return value;
},
undo: function(){
return this.setToIndex(this._index-1);
},
redo: function(){
return this.setToIndex(this._index+1);
},
setToIndex: function(index){
if(index < 0 || index > this._stack.length - 1){
return undefined;
}
this._index = index;
return this.current();
},
current: function(){
return this._stack[this._index];
}
};
// in here we are undoing the converts used elsewhere to prevent the < > and & being displayed when they shouldn't in the code.
var _compileHtml = function(){
if(_isContentEditable) {
return element[0].innerHTML;
}
if(_isInputFriendly) {
return element.val();
}
throw ('textAngular Error: attempting to update non-editable taBind');
};
var selectorClickHandler = function(event){
// emit the element-select event, pass the element
scope.$emit('ta-element-select', this);
event.preventDefault();
return false;
};
//used for updating when inserting wrapped elements
var _reApplyOnSelectorHandlers = scope['reApplyOnSelectorHandlers' + (attrs.id || '')] = function(){
/* istanbul ignore else */
if(!_isReadonly) angular.forEach(taSelectableElements, function(selector){
// check we don't apply the handler twice
element.find(selector)
.off('click', selectorClickHandler)
.on('click', selectorClickHandler);
});
};
var _setViewValue = function(_val, triggerUndo, skipRender){
_skipRender = skipRender || false;
if(typeof triggerUndo === "undefined" || triggerUndo === null) triggerUndo = true && _isContentEditable; // if not contentEditable then the native undo/redo is fine
if(typeof _val === "undefined" || _val === null) _val = _compileHtml();
if(_taBlankTest(_val)){
// this avoids us from tripping the ng-pristine flag if we click in and out with out typing
if(ngModel.$viewValue !== '') ngModel.$setViewValue('');
if(triggerUndo && ngModel.$undoManager.current() !== '') ngModel.$undoManager.push('');
}else{
_reApplyOnSelectorHandlers();
if(ngModel.$viewValue !== _val){
ngModel.$setViewValue(_val);
if(triggerUndo) ngModel.$undoManager.push(_val);
}
}
ngModel.$render();
};
var _setInnerHTML = function(newval){
element[0].innerHTML = newval;
};
var _redoUndoTimeout;
var _undo = scope['$undoTaBind' + (attrs.id || '')] = function(){
/* istanbul ignore else: can't really test it due to all changes being ignored as well in readonly */
if(!_isReadonly && _isContentEditable){
var content = ngModel.$undoManager.undo();
if(typeof content !== "undefined" && content !== null){
_setInnerHTML(content);
_setViewValue(content, false);
if(_redoUndoTimeout) $timeout.cancel(_redoUndoTimeout);
_redoUndoTimeout = $timeout(function(){
element[0].focus();
taSelection.setSelectionToElementEnd(element[0]);
}, 1);
}
}
};
var _redo = scope['$redoTaBind' + (attrs.id || '')] = function(){
/* istanbul ignore else: can't really test it due to all changes being ignored as well in readonly */
if(!_isReadonly && _isContentEditable){
var content = ngModel.$undoManager.redo();
if(typeof content !== "undefined" && content !== null){
_setInnerHTML(content);
_setViewValue(content, false);
/* istanbul ignore next */
if(_redoUndoTimeout) $timeout.cancel(_redoUndoTimeout);
_redoUndoTimeout = $timeout(function(){
element[0].focus();
taSelection.setSelectionToElementEnd(element[0]);
}, 1);
}
}
};
//used for updating when inserting wrapped elements
scope['updateTaBind' + (attrs.id || '')] = function(){
if(!_isReadonly) _setViewValue(undefined, undefined, true);
};
// catch DOM XSS via taSanitize
// Sanitizing both ways is identical
var _sanitize = function(unsafe){
return (ngModel.$oldViewValue = taSanitize(taFixChrome(unsafe, _keepStyles), ngModel.$oldViewValue, _disableSanitizer));
};
// trigger the validation calls
if(element.attr('required')) ngModel.$validators.required = function(modelValue, viewValue) {
return !_taBlankTest(modelValue || viewValue);
};
// parsers trigger from the above keyup function or any other time that the viewValue is updated and parses it for storage in the ngModel
ngModel.$parsers.push(_sanitize);
ngModel.$parsers.unshift(_ensureContentWrapped);
// because textAngular is bi-directional (which is awesome) we need to also sanitize values going in from the server
ngModel.$formatters.push(_sanitize);
ngModel.$formatters.unshift(_ensureContentWrapped);
ngModel.$formatters.unshift(function(value){
return ngModel.$undoManager.push(value || '');
});
//this code is used to update the models when data is entered/deleted
if(_isInputFriendly){
scope.events = {};
if(!_isContentEditable){
// if a textarea or input just add in change and blur handlers, everything else is done by angulars input directive
element.on('change blur', scope.events.change = scope.events.blur = function(){
if(!_isReadonly) ngModel.$setViewValue(_compileHtml());
});
element.on('keydown', scope.events.keydown = function(event, eventData){
/* istanbul ignore else: this is for catching the jqLite testing*/
if(eventData) angular.extend(event, eventData);
// Reference to http://stackoverflow.com/questions/6140632/how-to-handle-tab-in-textarea
/* istanbul ignore else: otherwise normal functionality */
if(event.keyCode === _TAB_KEYCODE){ // tab was pressed
// get caret position/selection
var start = this.selectionStart;
var end = this.selectionEnd;
var value = element.val();
if(event.shiftKey){
// find \t
var _linebreak = value.lastIndexOf('\n', start), _tab = value.lastIndexOf('\t', start);
if(_tab !== -1 && _tab >= _linebreak){
// set textarea value to: text before caret + tab + text after caret
element.val(value.substring(0, _tab) + value.substring(_tab + 1));
// put caret at right position again (add one for the tab)
this.selectionStart = this.selectionEnd = start - 1;
}
}else{
// set textarea value to: text before caret + tab + text after caret
element.val(value.substring(0, start) + "\t" + value.substring(end));
// put caret at right position again (add one for the tab)
this.selectionStart = this.selectionEnd = start + 1;
}
// prevent the focus lose
event.preventDefault();
}
});
var _repeat = function(string, n){
var result = '';
for(var _n = 0; _n < n; _n++) result += string;
return result;
};
// add a forEach function that will work on a NodeList, etc..
var forEach = function (array, callback, scope) {
for (var i= 0; i<array.length; i++) {
callback.call(scope, i, array[i]);
}
};
// handle <ul> or <ol> nodes
var recursiveListFormat = function(listNode, tablevel){
var _html = '';
var _subnodes = listNode.childNodes;
tablevel++;
// tab out and add the <ul> or <ol> html piece
_html += _repeat('\t', tablevel-1) + listNode.outerHTML.substring(0, 4);
forEach(_subnodes, function (index, node) {
/* istanbul ignore next: browser catch */
var nodeName = node.nodeName.toLowerCase();
if (nodeName === '#comment') {
_html += '<!--' + node.nodeValue + '-->';
return;
}
if (nodeName === '#text') {
_html += node.textContent;
return;
}
/* istanbul ignore next: not tested, and this was original code -- so not wanting to possibly cause an issue, leaving it... */
if(!node.outerHTML) {
// no html to add
return;
}
if(nodeName === 'ul' || nodeName === 'ol') {
_html += '\n' + recursiveListFormat(node, tablevel);
}
else {
// no reformatting within this subnode, so just do the tabing...
_html += '\n' + _repeat('\t', tablevel) + node.outerHTML;
}
});
// now add on the </ol> or </ul> piece
_html += '\n' + _repeat('\t', tablevel-1) + listNode.outerHTML.substring(listNode.outerHTML.lastIndexOf('<'));
return _html;
};
// handle formating of something like:
// <ol><!--First comment-->
// <li>Test Line 1<!--comment test list 1--></li>
// <ul><!--comment ul-->
// <li>Nested Line 1</li>
// <!--comment between nested lines--><li>Nested Line 2</li>
// </ul>
// <li>Test Line 3</li>
// </ol>
ngModel.$formatters.unshift(function(htmlValue){
// tabulate the HTML so it looks nicer
//
// first get a list of the nodes...
// we do this by using the element parser...
//
// doing this -- which is simpiler -- breaks our tests...
//var _nodes=angular.element(htmlValue);
var _nodes = angular.element('<div>' + htmlValue + '</div>')[0].childNodes;
if(_nodes.length > 0){
// do the reformatting of the layout...
htmlValue = '';
forEach(_nodes, function (index, node) {
var nodeName = node.nodeName.toLowerCase();
if (nodeName === '#comment') {
htmlValue += '<!--' + node.nodeValue + '-->';
return;
}
if (nodeName === '#text') {
htmlValue += node.textContent;
return;
}
/* istanbul ignore next: not tested, and this was original code -- so not wanting to possibly cause an issue, leaving it... */
if(!node.outerHTML)
{
// nothing to format!
return;
}
if(htmlValue.length > 0) {
// we aready have some content, so drop to a new line
htmlValue += '\n';
}
if(nodeName === 'ul' || nodeName === 'ol') {
// okay a set of list stuff we want to reformat in a nested way
htmlValue += '' + recursiveListFormat(node, 0);
}
else {
// just use the original without any additional formating
htmlValue += '' + node.outerHTML;
}
});
}
return htmlValue;
});
}else{
// all the code specific to contenteditable divs
var _processingPaste = false;
/* istanbul ignore next: phantom js cannot test this for some reason */
var processpaste = function(text) {
var _isOneNote = text!==undefined? text.match(/content=["']*OneNote.File/i): false;
/* istanbul ignore else: don't care if nothing pasted */
//console.log(text);
if(text && text.trim().length){
// test paste from word/microsoft product
if(text.match(/class=["']*Mso(Normal|List)/i) || text.match(/content=["']*Word.Document/i) || text.match(/content=["']*OneNote.File/i)){
var textFragment = text.match(/<!--StartFragment-->([\s\S]*?)<!--EndFragment-->/i);
if(!textFragment) textFragment = text;
else textFragment = textFragment[1];
textFragment = textFragment.replace(/<o:p>[\s\S]*?<\/o:p>/ig, '').replace(/class=(["']|)MsoNormal(["']|)/ig, '');
var dom = angular.element("<div>" + textFragment + "</div>");
var targetDom = angular.element("<div></div>");
var _list = {
element: null,
lastIndent: [],
lastLi: null,
isUl: false
};
_list.lastIndent.peek = function(){
var n = this.length;
if (n>0) return this[n-1];
};
var _resetList = function(isUl){
_list.isUl = isUl;
_list.element = angular.element(isUl ? "<ul>" : "<ol>");
_list.lastIndent = [];
_list.lastIndent.peek = function(){
var n = this.length;
if (n>0) return this[n-1];
};
_list.lastLevelMatch = null;
};
for(var i = 0; i <= dom[0].childNodes.length; i++){
if(!dom[0].childNodes[i] || dom[0].childNodes[i].nodeName === "#text"){
continue;
} else {
var tagName = dom[0].childNodes[i].tagName.toLowerCase();
if(tagName !== 'p' &&
tagName !== 'ul' &&
tagName !== 'h1' &&
tagName !== 'h2' &&
tagName !== 'h3' &&
tagName !== 'h4' &&
tagName !== 'h5' &&
tagName !== 'h6' &&
tagName !== 'table'){
continue;
}
}
var el = angular.element(dom[0].childNodes[i]);
var _listMatch = (el.attr('class') || '').match(/MsoList(Bullet|Number|Paragraph)(CxSp(First|Middle|Last)|)/i);
if(_listMatch){
if(el[0].childNodes.length < 2 || el[0].childNodes[1].childNodes.length < 1){
continue;
}
var isUl = _listMatch[1].toLowerCase() === 'bullet' || (_listMatch[1].toLowerCase() !== 'number' && !(/^[^0-9a-z<]*[0-9a-z]+[^0-9a-z<>]</i.test(el[0].childNodes[1].innerHTML) || /^[^0-9a-z<]*[0-9a-z]+[^0-9a-z<>]</i.test(el[0].childNodes[1].childNodes[0].innerHTML)));
var _indentMatch = (el.attr('style') || '').match(/margin-left:([\-\.0-9]*)/i);
var indent = parseFloat((_indentMatch)?_indentMatch[1]:0);
var _levelMatch = (el.attr('style') || '').match(/mso-list:l([0-9]+) level([0-9]+) lfo[0-9+]($|;)/i);
// prefers the mso-list syntax
if(_levelMatch && _levelMatch[2]) indent = parseInt(_levelMatch[2]);
if ((_levelMatch && (!_list.lastLevelMatch || _levelMatch[1] !== _list.lastLevelMatch[1])) || !_listMatch[3] || _listMatch[3].toLowerCase() === 'first' || (_list.lastIndent.peek() === null) || (_list.isUl !== isUl && _list.lastIndent.peek() === indent)) {
_resetList(isUl);
targetDom.append(_list.element);
} else if (_list.lastIndent.peek() != null && _list.lastIndent.peek() < indent){
_list.element = angular.element(isUl ? '<ul>' : '<ol>');
_list.lastLi.append(_list.element);
} else if (_list.lastIndent.peek() != null && _list.lastIndent.peek() > indent){
while(_list.lastIndent.peek() != null && _list.lastIndent.peek() > indent){
if(_list.element.parent()[0].tagName.toLowerCase() === 'li'){
_list.element = _list.element.parent();
continue;
}else if(/[uo]l/i.test(_list.element.parent()[0].tagName.toLowerCase())){
_list.element = _list.element.parent();
}else{ // else it's it should be a sibling
break;
}
_list.lastIndent.pop();
}
_list.isUl = _list.element[0].tagName.toLowerCase() === 'ul';
if (isUl !== _list.isUl) {
_resetList(isUl);
targetDom.append(_list.element);
}
}
_list.lastLevelMatch = _levelMatch;
if(indent !== _list.lastIndent.peek()) _list.lastIndent.push(indent);
_list.lastLi = angular.element('<li>');
_list.element.append(_list.lastLi);
_list.lastLi.html(el.html().replace(/<!(--|)\[if !supportLists\](--|)>[\s\S]*?<!(--|)\[endif\](--|)>/ig, ''));
el.remove();
}else{
_resetList(false);
targetDom.append(el);
}
}
var _unwrapElement = function(node){
node = angular.element(node);
for(var _n = node[0].childNodes.length - 1; _n >= 0; _n--) node.after(node[0].childNodes[_n]);
node.remove();
};
angular.forEach(targetDom.find('span'), function(node){
node.removeAttribute('lang');
if(node.attributes.length <= 0) _unwrapElement(node);
});
angular.forEach(targetDom.find('font'), _unwrapElement);
text = targetDom.html();
if(_isOneNote){
text = targetDom.html() || dom.html();
}
// LF characters instead of spaces in some spots and they are replaced by '/n', so we need to just swap them to spaces
text = text.replace(/\n/g, ' ');
}else{
// remove unnecessary chrome insert
text = text.replace(/<(|\/)meta[^>]*?>/ig, '');
if(text.match(/<[^>]*?(ta-bind)[^>]*?>/)){
// entire text-angular or ta-bind has been pasted, REMOVE AT ONCE!!
if(text.match(/<[^>]*?(text-angular)[^>]*?>/)){
var _el = angular.element('<div>' + text + '</div>');
_el.find('textarea').remove();
for(var _b = 0; _b < binds.length; _b++){
var _target = binds[_b][0].parentNode.parentNode;
for(var _c = 0; _c < binds[_b][0].childNodes.length; _c++){
_target.parentNode.insertBefore(binds[_b][0].childNodes[_c], _target);
}
_target.parentNode.removeChild(_target);
}
text = _el.html().replace('<br class="Apple-interchange-newline">', '');
}
}else if(text.match(/^<span/)){
// in case of pasting only a span - chrome paste, remove them. THis is just some wierd formatting
// if we remove the '<span class="Apple-converted-space"> </span>' here we destroy the spacing
// on paste from even ourselves!
if (!text.match(/<span class=(\"Apple-converted-space\"|\'Apple-converted-space\')>.<\/span>/ig)) {
text = text.replace(/<(|\/)span[^>]*?>/ig, '');
}
}
// Webkit on Apple tags
text = text.replace(/<br class="Apple-interchange-newline"[^>]*?>/ig, '').replace(/<span class="Apple-converted-space">( | )<\/span>/ig, ' ');
}
if (/<li(\s.*)?>/i.test(text) && /(<ul(\s.*)?>|<ol(\s.*)?>).*<li(\s.*)?>/i.test(text) === false) {
// insert missing parent of li element
text = text.replace(/<li(\s.*)?>.*<\/li(\s.*)?>/i, '<ul>$&</ul>');
}
// parse whitespace from plaintext input, starting with preceding spaces that get stripped on paste
text = text.replace(/^[ |\u00A0]+/gm, function (match) {
var result = '';
for (var i = 0; i < match.length; i++) {
result += ' ';
}
return result;
}).replace(/\n|\r\n|\r/g, '<br />').replace(/\t/g, ' ');
if(_pasteHandler) text = _pasteHandler(scope, {$html: text}) || text;
// turn span vertical-align:super into <sup></sup>
text = text.replace(/<span style=("|')([^<]*?)vertical-align\s*:\s*super;?([^>]*?)("|')>([^<]+?)<\/span>/g, "<sup style='$2$3'>$5</sup>");
text = taSanitize(text, '', _disableSanitizer);
//console.log('DONE\n', text);
taSelection.insertHtml(text, element[0]);
$timeout(function(){
ngModel.$setViewValue(_compileHtml());
_processingPaste = false;
element.removeClass('processing-paste');
}, 0);
}else{
_processingPaste = false;
element.removeClass('processing-paste');
}
};
element.on('paste', scope.events.paste = function(e, eventData){
/* istanbul ignore else: this is for catching the jqLite testing*/
if(eventData) angular.extend(e, eventData);
if(_isReadonly || _processingPaste){
e.stopPropagation();
e.preventDefault();
return false;
}
// Code adapted from http://stackoverflow.com/questions/2176861/javascript-get-clipboard-data-on-paste-event-cross-browser/6804718#6804718
_processingPaste = true;
element.addClass('processing-paste');
var pastedContent;
var clipboardData = (e.originalEvent || e).clipboardData;
/* istanbul ignore next: Handle legacy IE paste */
if ( !clipboardData && window.clipboardData && window.clipboardData.getData ){
pastedContent = window.clipboardData.getData("Text");
processpaste(pastedContent);
e.stopPropagation();
e.preventDefault();
return false;
}
if (clipboardData && clipboardData.getData && clipboardData.types.length > 0) {// Webkit - get data from clipboard, put into editdiv, cleanup, then cancel event
var _types = "";
for(var _t = 0; _t < clipboardData.types.length; _t++){
_types += " " + clipboardData.types[_t];
}
/* istanbul ignore next: browser tests */
if (/text\/html/i.test(_types)) {
pastedContent = clipboardData.getData('text/html');
} else if (/text\/plain/i.test(_types)) {
pastedContent = clipboardData.getData('text/plain');
}
processpaste(pastedContent);
e.stopPropagation();
e.preventDefault();
return false;
} else {// Everything else - empty editdiv and allow browser to paste content into it, then cleanup
var _savedSelection = rangy.saveSelection(),
_tempDiv = angular.element('<div class="ta-hidden-input" contenteditable="true"></div>');
$document.find('body').append(_tempDiv);
_tempDiv[0].focus();
$timeout(function(){
// restore selection
rangy.restoreSelection(_savedSelection);
processpaste(_tempDiv[0].innerHTML);
element[0].focus();
_tempDiv.remove();
}, 0);
}
});
element.on('cut', scope.events.cut = function(e){
// timeout to next is needed as otherwise the paste/cut event has not finished actually changing the display
if(!_isReadonly) $timeout(function(){
ngModel.$setViewValue(_compileHtml());
}, 0);
else e.preventDefault();
});
element.on('keydown', scope.events.keydown = function(event, eventData){
/* istanbul ignore else: this is for catching the jqLite testing*/
if(eventData) angular.extend(event, eventData);
if (event.keyCode === _SHIFT_KEYCODE) {
taSelection.setStateShiftKey(true);
} else {
taSelection.setStateShiftKey(false);
}
event.specialKey = _mapKeys(event);
var userSpecialKey;
/* istanbul ignore next: difficult to test */
taOptions.keyMappings.forEach(function (mapping) {
if (event.specialKey === mapping.commandKeyCode) {
// taOptions has remapped this binding... so
// we disable our own
event.specialKey = undefined;
}
if (mapping.testForKey(event)) {
userSpecialKey = mapping.commandKeyCode;
}
if ((mapping.commandKeyCode === 'UndoKey') || (mapping.commandKeyCode === 'RedoKey')) {
// this is necessary to fully stop the propagation.
if (!mapping.enablePropagation) {
event.preventDefault();
}
}
});
/* istanbul ignore next: difficult to test */
if (typeof userSpecialKey !== 'undefined') {
event.specialKey = userSpecialKey;
}
/* istanbul ignore next: difficult to test as can't seem to select */
if ((typeof event.specialKey !== 'undefined') && (
event.specialKey !== 'UndoKey' || event.specialKey !== 'RedoKey'
)) {
event.preventDefault();
textAngularManager.sendKeyCommand(scope, event);
}
/* istanbul ignore else: readonly check */
if(!_isReadonly){
if (event.specialKey==='UndoKey') {
_undo();
event.preventDefault();
}
if (event.specialKey==='RedoKey') {
_redo();
event.preventDefault();
}
/* istanbul ignore next: difficult to test as can't seem to select */
if(event.keyCode === _ENTER_KEYCODE && !event.shiftKey && !event.ctrlKey && !event.metaKey && !event.altKey)
{
var contains = function(a, obj) {
for (var i = 0; i < a.length; i++) {
if (a[i] === obj) {
return true;
}
}
return false;
};
var $selection;
var selection = taSelection.getSelectionElement();
// shifted to nodeName here from tagName since it is more widely supported see: http://stackoverflow.com/questions/4878484/difference-between-tagname-and-nodename
if(!selection.nodeName.match(VALIDELEMENTS)) return;
var _new = angular.element(_defaultVal);
// if we are in the last element of a blockquote, or ul or ol and the element is blank
// we need to pull the element outside of the said type
var moveOutsideElements = ['blockquote', 'ul', 'ol'];
if (contains(moveOutsideElements, selection.parentNode.tagName.toLowerCase())) {
if (/^<br(|\/)>$/i.test(selection.innerHTML.trim()) && !selection.nextSibling) {
// if last element is blank, pull element outside.
$selection = angular.element(selection);
var _parent = $selection.parent();
_parent.after(_new);
$selection.remove();
if (_parent.children().length === 0) _parent.remove();
taSelection.setSelectionToElementStart(_new[0]);
event.preventDefault();
}
if (/^<[^>]+><br(|\/)><\/[^>]+>$/i.test(selection.innerHTML.trim())) {
$selection = angular.element(selection);
$selection.after(_new);
$selection.remove();
taSelection.setSelectionToElementStart(_new[0]);
event.preventDefault();
}
}
}
}
});
var _keyupTimeout;
element.on('keyup', scope.events.keyup = function(event, eventData){
/* istanbul ignore else: this is for catching the jqLite testing*/
if(eventData) angular.extend(event, eventData);
taSelection.setStateShiftKey(false); // clear the ShiftKey state
/* istanbul ignore next: FF specific bug fix */
if (event.keyCode === _TAB_KEYCODE) {
var _selection = taSelection.getSelection();
if(_selection.start.element === element[0] && element.children().length) taSelection.setSelectionToElementStart(element.children()[0]);
return;
}
// we do this here during the 'keyup' so that the browser has already moved the slection by one character...
if (event.keyCode === _LEFT_ARROW_KEYCODE && !event.shiftKey) {
taSelection.updateLeftArrowKey(element);
}
// we do this here during the 'keyup' so that the browser has already moved the slection by one character...
if (event.keyCode === _RIGHT_ARROW_KEYCODE && !event.shiftKey) {
taSelection.updateRightArrowKey(element);
}
if(_undoKeyupTimeout) $timeout.cancel(_undoKeyupTimeout);
if(!_isReadonly && !BLOCKED_KEYS.test(event.keyCode)){
/* istanbul ignore next: Ignore any _ENTER_KEYCODE that has ctrlKey, metaKey or alKey */
if (event.keyCode === _ENTER_KEYCODE && (event.ctrlKey || event.metaKey || event.altKey)) {
// we ignore any ENTER_ KEYCODE that is anything but plain or a shift one...
} else {
// if enter - insert new taDefaultWrap, if shift+enter insert <br/>
if(_defaultVal !== '' && _defaultVal !== '<BR><BR>' && event.keyCode === _ENTER_KEYCODE && !event.ctrlKey && !event.metaKey && !event.altKey){
var selection = taSelection.getSelectionElement();
while(!selection.nodeName.match(VALIDELEMENTS) && selection !== element[0]){
selection = selection.parentNode;
}
if(!event.shiftKey){
// new paragraph, br should be caught correctly
// shifted to nodeName here from tagName since it is more widely supported see: http://stackoverflow.com/questions/4878484/difference-between-tagname-and-nodename
//console.log('Enter', selection.nodeName, attrs.taDefaultWrap, selection.innerHTML.trim());
if(selection.tagName.toLowerCase() !==
attrs.taDefaultWrap &&
selection.nodeName.toLowerCase() !== 'li' &&
(selection.innerHTML.trim() === '' || selection.innerHTML.trim() === '<br>')
) {
// Chrome starts with a <div><br></div> after an EnterKey
// so we replace this with the _defaultVal
var _new = angular.element(_defaultVal);
angular.element(selection).replaceWith(_new);
taSelection.setSelectionToElementStart(_new[0]);
}
} else {
// shift + Enter
var tagName = selection.tagName.toLowerCase();
//console.log('Shift+Enter', selection.tagName, attrs.taDefaultWrap, selection.innerHTML.trim());
// For an LI: We see: LI p ....<br><br>
// For a P: We see: P p ....<br><br>
// on Safari, the browser ignores the Shift+Enter and acts just as an Enter Key
// For an LI: We see: LI p <br>
// For a P: We see: P p <br>
if((tagName === attrs.taDefaultWrap ||
tagName === 'li' ||
tagName === 'pre' ||
tagName === 'div') &&
!/.+<br><br>/.test(selection.innerHTML.trim())) {
var ps = selection.previousSibling;
//console.log('wrong....', ps);
// we need to remove this selection and fix the previousSibling up...
if (ps) {
ps.innerHTML = ps.innerHTML + '<br><br>';
angular.element(selection).remove();
taSelection.setSelectionToElementEnd(ps);
}
}
}
}
var val = _compileHtml();
if(_defaultVal !== '' && (val.trim() === '' || val.trim() === '<br>')){
_setInnerHTML(_defaultVal);
taSelection.setSelectionToElementStart(element.children()[0]);
}else if(val.substring(0, 1) !== '<' && attrs.taDefaultWrap !== ''){
/* we no longer do this, since there can be comments here and white space
var _savedSelection = rangy.saveSelection();
val = _compileHtml();
val = "<" + attrs.taDefaultWrap + ">" + val + "</" + attrs.taDefaultWrap + ">";
_setInnerHTML(val);
rangy.restoreSelection(_savedSelection);
*/
}
var triggerUndo = _lastKey !== event.keyCode && UNDO_TRIGGER_KEYS.test(event.keyCode);
if(_keyupTimeout) $timeout.cancel(_keyupTimeout);
_keyupTimeout = $timeout(function() {
_setViewValue(val, triggerUndo, true);
}, ngModelOptions.$options.debounce || 400);
if(!triggerUndo) _undoKeyupTimeout = $timeout(function(){ ngModel.$undoManager.push(val); }, 250);
_lastKey = event.keyCode;
}
}
});
// when there is a change from a spelling correction in the browser, the only
// change that is seen is a 'input' and the $watch('html') sees nothing... So
// we added this element.on('input') to catch this change and call the _setViewValue()
// so the ngModel is updated and all works as it should.
var _inputTimeout;
element.on('input', function() {
if (_compileHtml() !== ngModel.$viewValue) {
// we wait a time now to allow the natural $watch('html') to handle this change
// and then after a 1 second delay, if there is still a difference we will do the
// _setViewValue() call.
/* istanbul ignore if: can't test */
if(_inputTimeout) $timeout.cancel(_inputTimeout);
/* istanbul ignore next: cant' test? */
_inputTimeout = $timeout(function() {
var _savedSelection = rangy.saveSelection();
var _val = _compileHtml();
if (_val !== ngModel.$viewValue) {
//console.log('_setViewValue');
//console.log('old:', ngModel.$viewValue);
//console.log('new:', _val);
_setViewValue(_val, true);
}
// if the savedSelection marker is gone at this point, we cannot restore the selection!!!
//console.log('rangy.restoreSelection', ngModel.$viewValue.length, _savedSelection);
if (ngModel.$viewValue.length !== 0) {
rangy.restoreSelection(_savedSelection);
}
}, 1000);
}
});
element.on('blur', scope.events.blur = function(){
_focussed = false;
/* istanbul ignore else: if readonly don't update model */
if(!_isReadonly){
_setViewValue(undefined, undefined, true);
}else{
_skipRender = true; // don't redo the whole thing, just check the placeholder logic
ngModel.$render();
}
});
// Placeholders not supported on ie 8 and below
if(attrs.placeholder && (_browserDetect.ie > 8 || _browserDetect.ie === undefined)){
var rule;
if(attrs.id) rule = addCSSRule('#' + attrs.id + '.placeholder-text:before', 'content: "' + attrs.placeholder + '"');
else throw('textAngular Error: An unique ID is required for placeholders to work');