Annotation of modules/damieng/graphical_editor/loncapa_daxe/web/loncapa_daxe.dart, revision 1.20
1.1 damieng 1: /*
2: This file is part of LON-CAPA.
3:
4: LON-CAPA is free software: you can redistribute it and/or modify
5: it under the terms of the GNU General Public License as published by
6: the Free Software Foundation, either version 3 of the License, or
7: (at your option) any later version.
8:
9: LON-CAPA is distributed in the hope that it will be useful,
10: but WITHOUT ANY WARRANTY; without even the implied warranty of
11: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12: GNU General Public License for more details.
13:
14: You should have received a copy of the GNU General Public License
15: along with LON-CAPA. If not, see <http://www.gnu.org/licenses/>.
16: */
17:
18: library loncapa_daxe;
19:
20: import 'dart:async';
21: import 'dart:collection';
22: import 'dart:html' as h;
23: import 'package:daxe/daxe.dart';
24: import 'package:daxe/src/xmldom/xmldom.dart' as x;
25: import 'package:daxe/src/strings.dart';
1.14 damieng 26: import 'package:daxe/src/nodes/nodes.dart' show DNCData, DNText, SimpleTypeControl, ParentUpdatingDNText, DNHiddenP, DNString;
1.1 damieng 27: import 'dart:js' as js;
28:
29: import 'lcd_strings.dart';
30: part 'nodes/lcd_block.dart';
31: part 'nodes/lcd_parameter.dart';
32: part 'nodes/tex_mathjax.dart';
33: part 'nodes/lm.dart';
1.14 damieng 34: part 'nodes/chem.dart';
1.2 damieng 35: part 'nodes/numerical_response.dart';
1.3 damieng 36: part 'nodes/formula_response.dart';
37: part 'nodes/string_response.dart';
1.11 damieng 38: part 'nodes/essay_response.dart';
39: part 'nodes/textfield.dart';
1.1 damieng 40: part 'nodes/radio_response.dart';
41: part 'nodes/radio_foilgroup.dart';
42: part 'nodes/radio_foil.dart';
43: part 'nodes/option_response.dart';
44: part 'nodes/option_foilgroup.dart';
45: part 'nodes/option_foil.dart';
1.6 damieng 46: part 'nodes/match_response.dart';
47: part 'nodes/match_foilgroup.dart';
48: part 'nodes/match_foil.dart';
49: part 'nodes/itemgroup.dart';
50: part 'nodes/match_item.dart';
1.1 damieng 51: part 'nodes/rank_response.dart';
52: part 'nodes/rank_foilgroup.dart';
53: part 'nodes/rank_foil.dart';
1.10 damieng 54: part 'nodes/math_response.dart';
55: part 'nodes/math_answer.dart';
1.13 damieng 56: part 'nodes/organic_response.dart';
57: part 'nodes/jsme_dialog.dart';
58: part 'nodes/reaction_response.dart';
1.5 damieng 59: part 'nodes/textline.dart';
1.1 damieng 60: part 'nodes/hintgroup.dart';
61: part 'nodes/simple_ui_text.dart';
62: part 'nodes/script_block.dart';
1.2 damieng 63: part 'nodes/simple_ui_exception.dart';
1.7 damieng 64: part 'nodes/gnuplot.dart';
65: part 'nodes/fake_attribute_element.dart';
66: part 'nodes/plot_axis.dart';
67: part 'nodes/plot_curve.dart';
1.17 damieng 68: part 'nodes/section.dart';
69: part 'nodes/h1.dart';
1.1 damieng 70: part 'lcd_button.dart';
71:
1.18 damieng 72: List<String> knownSectionRoles = ['activity', 'advice', 'bibliography', 'citation',
73: 'conclusion', 'definition', 'demonstration', 'example',
74: 'explanation', 'introduction', 'method', 'more_information',
75: 'objectives', 'prerequisites', 'remark', 'reminder',
76: 'summary', 'syntax', 'warning'];
77:
1.1 damieng 78:
79: void main() {
80: NodeFactory.addCoreDisplayTypes();
81:
82: addDisplayType('lcdblock',
83: (x.Element ref) => new LCDBlock.fromRef(ref),
84: (x.Node node, DaxeNode parent) => new LCDBlock.fromNode(node, parent)
85: );
86:
87: addDisplayType('texmathjax',
88: (x.Element ref) => new TeXMathJax.fromRef(ref),
89: (x.Node node, DaxeNode parent) => new TeXMathJax.fromNode(node, parent)
90: );
91:
92: addDisplayType('lm',
93: (x.Element ref) => new Lm.fromRef(ref),
94: (x.Node node, DaxeNode parent) => new Lm.fromNode(node, parent)
95: );
96:
1.14 damieng 97: addDisplayType('chem',
98: (x.Element ref) => new Chem.fromRef(ref),
99: (x.Node node, DaxeNode parent) => new Chem.fromNode(node, parent)
100: );
101:
1.1 damieng 102: addDisplayType('script',
103: (x.Element ref) => new ScriptBlock.fromRef(ref),
104: (x.Node node, DaxeNode parent) => new ScriptBlock.fromNode(node, parent)
105: );
106:
107: addDisplayType('parameter',
108: (x.Element ref) => new LCDParameter.fromRef(ref),
109: (x.Node node, DaxeNode parent) => new LCDParameter.fromNode(node, parent)
110: );
111:
1.2 damieng 112: addDisplayType('numericalresponse',
113: (x.Element ref) => new NumericalResponse.fromRef(ref),
114: (x.Node node, DaxeNode parent) => new NumericalResponse.fromNode(node, parent)
115: );
116:
1.3 damieng 117: addDisplayType('formularesponse',
118: (x.Element ref) => new FormulaResponse.fromRef(ref),
119: (x.Node node, DaxeNode parent) => new FormulaResponse.fromNode(node, parent)
120: );
121:
122: addDisplayType('stringresponse',
123: (x.Element ref) => new StringResponse.fromRef(ref),
124: (x.Node node, DaxeNode parent) => new StringResponse.fromNode(node, parent)
125: );
126:
1.11 damieng 127: addDisplayType('essayresponse',
128: (x.Element ref) => new EssayResponse.fromRef(ref),
129: (x.Node node, DaxeNode parent) => new EssayResponse.fromNode(node, parent)
130: );
131:
1.1 damieng 132: addDisplayType('radioresponse',
133: (x.Element ref) => new RadioResponse.fromRef(ref),
134: (x.Node node, DaxeNode parent) => new RadioResponse.fromNode(node, parent)
135: );
136:
137: addDisplayType('optionresponse',
138: (x.Element ref) => new OptionResponse.fromRef(ref),
139: (x.Node node, DaxeNode parent) => new OptionResponse.fromNode(node, parent)
140: );
141:
1.6 damieng 142: addDisplayType('matchresponse',
143: (x.Element ref) => new MatchResponse.fromRef(ref),
144: (x.Node node, DaxeNode parent) => new MatchResponse.fromNode(node, parent)
145: );
146:
1.1 damieng 147: addDisplayType('rankresponse',
148: (x.Element ref) => new RankResponse.fromRef(ref),
149: (x.Node node, DaxeNode parent) => new RankResponse.fromNode(node, parent)
150: );
151:
1.10 damieng 152: addDisplayType('mathresponse',
153: (x.Element ref) => new MathResponse.fromRef(ref),
154: (x.Node node, DaxeNode parent) => new MathResponse.fromNode(node, parent)
155: );
156:
1.13 damieng 157: addDisplayType('organicresponse',
158: (x.Element ref) => new OrganicResponse.fromRef(ref),
159: (x.Node node, DaxeNode parent) => new OrganicResponse.fromNode(node, parent)
160: );
161:
162: addDisplayType('reactionresponse',
163: (x.Element ref) => new ReactionResponse.fromRef(ref),
164: (x.Node node, DaxeNode parent) => new ReactionResponse.fromNode(node, parent)
165: );
166:
1.1 damieng 167: addDisplayType('foilgroup',
168: (x.Element ref) {
169: if (ref.getAttribute('type') == 'radiobuttonresponse--foilgroup')
170: return new RadioFoilgroup.fromRef(ref);
171: else if (ref.getAttribute('type') == 'optionresponse--foilgroup')
172: return new OptionFoilgroup.fromRef(ref);
1.6 damieng 173: else if (ref.getAttribute('type') == 'matchresponse--foilgroup')
174: return new MatchFoilgroup.fromRef(ref);
1.1 damieng 175: else if (ref.getAttribute('type') == 'rankresponse--foilgroup')
176: return new RankFoilgroup.fromRef(ref);
177: return new LCDBlock.fromRef(ref);
178: },
179: (x.Node node, DaxeNode parent) {
180: if (parent is RadioResponse)
181: return new RadioFoilgroup.fromNode(node, parent);
182: else if (parent is OptionResponse)
183: return new OptionFoilgroup.fromNode(node, parent);
1.6 damieng 184: else if (parent is MatchResponse)
185: return new MatchFoilgroup.fromNode(node, parent);
1.1 damieng 186: else if (parent is RankResponse)
187: return new RankFoilgroup.fromNode(node, parent);
188: return new LCDBlock.fromNode(node, parent);
189: }
190: );
191:
192: addDisplayType('foil',
193: (x.Element ref) {
194: if (ref.getAttribute('type') == 'radiobuttonresponse--foil')
195: return new RadioFoil.fromRef(ref);
196: else if (ref.getAttribute('type') == 'optionresponse--foil')
197: return new OptionFoil.fromRef(ref);
1.6 damieng 198: else if (ref.getAttribute('type') == 'matchresponse--foil')
199: return new MatchFoil.fromRef(ref);
1.1 damieng 200: else if (ref.getAttribute('type') == 'rankresponse--foil')
201: return new RankFoil.fromRef(ref);
202: return new LCDBlock.fromRef(ref);
203: },
204: (x.Node node, DaxeNode parent) {
205: if (parent is RadioFoilgroup)
206: return new RadioFoil.fromNode(node, parent);
1.19 damieng 207: else if (parent is OptionFoilgroup ||
208: (parent.parent != null && parent.parent is OptionFoilgroup))
1.1 damieng 209: return new OptionFoil.fromNode(node, parent);
1.19 damieng 210: else if (parent is MatchFoilgroup ||
211: (parent.parent != null && parent.parent is MatchFoilgroup))
1.6 damieng 212: return new MatchFoil.fromNode(node, parent);
1.1 damieng 213: else if (parent is RankFoilgroup)
214: return new RankFoil.fromNode(node, parent);
215: return new LCDBlock.fromNode(node, parent);
216: }
217: );
218:
1.6 damieng 219: addDisplayType('itemgroup',
220: (x.Element ref) => new Itemgroup.fromRef(ref),
221: (x.Node node, DaxeNode parent) => new Itemgroup.fromNode(node, parent)
222: );
223:
224: addDisplayType('matchitem',
225: (x.Element ref) => new MatchItem.fromRef(ref),
226: (x.Node node, DaxeNode parent) => new MatchItem.fromNode(node, parent)
227: );
228:
1.5 damieng 229: addDisplayType('textline',
230: (x.Element ref) => new Textline.fromRef(ref),
231: (x.Node node, DaxeNode parent) => new Textline.fromNode(node, parent)
232: );
233:
1.11 damieng 234: addDisplayType('textfield',
235: (x.Element ref) => new Textfield.fromRef(ref),
236: (x.Node node, DaxeNode parent) => new Textfield.fromNode(node, parent)
237: );
238:
1.1 damieng 239: addDisplayType('hintgroup',
240: (x.Element ref) => new Hintgroup.fromRef(ref),
241: (x.Node node, DaxeNode parent) => new Hintgroup.fromNode(node, parent)
242: );
243:
1.10 damieng 244: addDisplayType('answer',
245: (x.Element ref) {
246: if (ref.getAttribute('type') == 'mathresponse--answer')
247: return new MathAnswer.fromRef(ref);
248: return new LCDBlock.fromRef(ref);
249: },
250: (x.Node node, DaxeNode parent) {
251: if (parent is MathResponse)
252: return new MathAnswer.fromNode(node, parent);
253: return new LCDBlock.fromNode(node, parent);
254: }
255: );
256:
1.7 damieng 257: addDisplayType('gnuplot',
258: (x.Element ref) => new Gnuplot.fromRef(ref),
259: (x.Node node, DaxeNode parent) => new Gnuplot.fromNode(node, parent)
260: );
261:
262: addDisplayType('fakeattribute',
263: (x.Element ref) {
264: if (doc.cfg.elementName(ref) != 'title' || ref.getAttribute('type') == 'lonplot--title')
265: return new FakeAttributeElement.fromRef(ref);
266: return new LCDBlock.fromRef(ref);
267: },
268: (x.Node node, DaxeNode parent) {
269: if (parent is Gnuplot || parent is PlotCurve)
270: return new FakeAttributeElement.fromNode(node, parent);
271: return new LCDBlock.fromNode(node, parent);
272: }
273: );
274:
275: addDisplayType('plotaxis',
276: (x.Element ref) => new PlotAxis.fromRef(ref),
277: (x.Node node, DaxeNode parent) => new PlotAxis.fromNode(node, parent)
278: );
279:
280: addDisplayType('plotcurve',
281: (x.Element ref) => new PlotCurve.fromRef(ref),
282: (x.Node node, DaxeNode parent) => new PlotCurve.fromNode(node, parent)
283: );
284:
1.17 damieng 285: addDisplayType('section',
286: (x.Element ref) => new Section.fromRef(ref),
287: (x.Node node, DaxeNode parent) => new Section.fromNode(node, parent)
288: );
289:
290: addDisplayType('h1',
291: (x.Element ref) => new H1.fromRef(ref),
292: (x.Node node, DaxeNode parent) => new H1.fromNode(node, parent)
293: );
294:
1.1 damieng 295: Future.wait([Strings.load(), LCDStrings.load(), _readTemplates('templates.xml')]).then((List responses) {
1.16 damieng 296: initDaxe().then((v) {
1.1 damieng 297: // add things to the toolbar
298: ToolbarMenu sectionMenu = _makeSectionMenu();
299: if (sectionMenu != null)
300: page.toolbar.add(sectionMenu);
301: x.Element texRef = doc.cfg.elementReference('m');
302: if (texRef != null) {
303: ToolbarBox insertBox = new ToolbarBox();
304: ToolbarButton texButton = new ToolbarButton(
305: LCDStrings.get('tex_equation'), 'images/tex.png',
306: () => doc.insertNewNode(texRef, 'element'), Toolbar.insertButtonUpdate,
307: data:new ToolbarStyleInfo([texRef], null, null));
308: insertBox.add(texButton);
309: page.toolbar.add(insertBox);
310: }
311: h.Element tbh = h.querySelector('.toolbar');
312: tbh.replaceWith(page.toolbar.html());
313: page.adjustPositionsUnderToolbar();
314: page.updateAfterPathChange();
315: // add things to the menubar
316: if (responses[2] is x.Document) {
317: // at this point the menubar html is already in the document, so we have to fix the HTML
318: h.Element menubarDiv = h.document.getElementsByClassName('menubar')[0];
1.4 damieng 319: if (doc.filePath != null && doc.filePath.indexOf('&url=') != -1) { // otherwise we are not on LON-CAPA
1.1 damieng 320: MenuItem item = new MenuItem(Strings.get('menu.save'), () => save(), shortcut: 'S');
321: Menu fileMenu = page.mbar.menus[0];
322: fileMenu.add(item);
323: menubarDiv.firstChild.replaceWith(page.mbar.createMenuDiv(fileMenu));
324: }
325: Menu m = _makeTemplatesMenu(responses[2]);
326: page.mbar.add(m);
327: menubarDiv.append(page.mbar.createMenuDiv(m));
328: page.updateAfterPathChange();
329: } else
330: print("Error reading templates file, could not build the menu.");
1.15 damieng 331: }).catchError((e) {
332: h.document.body.appendText('Initialization error: ' + e);
1.1 damieng 333: });
1.15 damieng 334: }).catchError((e) {
1.20 ! damieng 335: h.document.body.appendText('Initialization error: ' + (e is String ? e : e.toString()));
1.1 damieng 336: });
337: }
338:
339: void save() {
340: saveOnLONCAPA().then((_) {
341: h.window.alert(Strings.get('save.success'));
342: }, onError: (DaxeException ex) {
343: h.window.alert(Strings.get('save.error') + ': ' + ex.message);
344: });
345: }
346:
347: /**
348: * Send the document with a POST request to LON-CAPA.
349: */
350: Future saveOnLONCAPA() {
351: int ind = doc.filePath.indexOf('&url=');
352: if (ind == -1)
353: return(new Future.error(new DaxeException('bad URL')));
354: String path = doc.filePath.substring(ind+5);
355: path = Uri.decodeQueryComponent(path);
356: ind = path.lastIndexOf('/');
357: String filename;
358: if (ind == -1)
359: filename = path;
360: else {
361: filename = path.substring(ind+1);
362: path = path.substring(0, ind+1);
363: }
364: Completer completer = new Completer();
365: String bound = 'AaB03x';
366: h.HttpRequest request = new h.HttpRequest();
367: request.onLoad.listen((h.ProgressEvent event) {
368: completer.complete(); // TODO: check for something, status is sometimes wrongly OK
369: });
370: request.onError.listen((h.ProgressEvent event) {
371: completer.completeError(new DaxeException(request.status.toString()));
372: });
373: request.open('POST', '/upload_file');
374: request.setRequestHeader('Content-Type', "multipart/form-data; boundary=$bound");
375:
376: StringBuffer sb = new StringBuffer();
377: sb.write("--$bound\r\n");
378: sb.write('Content-Disposition: form-data; name="uploads_path"\r\n');
379: sb.write('Content-type: text/plain; charset=UTF-8\r\n');
380: sb.write('Content-transfer-encoding: 8bit\r\n\r\n');
381: sb.write(path);
382: sb.write("\r\n--$bound\r\n");
383: sb.write('Content-Disposition: form-data; name="uploads"; filename="$filename"\r\n');
384: sb.write('Content-Type: application/octet-stream\r\n\r\n');
385: doc.dndoc.xmlEncoding = 'UTF-8'; // the document is forced to use UTF-8
386: sb.write(doc.toString());
387: sb.write('\r\n--$bound--\r\n\r\n');
388: request.send(sb.toString());
389: return(completer.future);
390: }
391:
392: ToolbarMenu _makeSectionMenu() {
1.18 damieng 393: // sort section roles by title
394: knownSectionRoles.sort((String role1, String role2) => LCDStrings.get(role1).compareTo(LCDStrings.get(role2)));
395:
1.1 damieng 396: Menu menu = new Menu(LCDStrings.get('Section'));
397: List<x.Element> sectionRefs = doc.cfg.elementReferences('section');
398: if (sectionRefs == null || sectionRefs.length == 0)
399: return(null);
400: x.Element h1Ref = doc.cfg.elementReference('h1');
1.18 damieng 401: for (String role in knownSectionRoles) {
1.1 damieng 402: MenuItem menuItem = new MenuItem(LCDStrings.get(role), null,
403: data:new ToolbarStyleInfo(sectionRefs, null, null));
404: menuItem.action = () {
405: ToolbarStyleInfo info = menuItem.data;
406: x.Element sectionRef = info.validRef;
1.18 damieng 407: Section section = new Section.fromRef(sectionRef);
1.1 damieng 408: section.state = 1;
409: section.setAttribute('class', 'role-' + role);
1.17 damieng 410: H1 h1 = NodeFactory.create(h1Ref);
1.1 damieng 411: h1.state = 1;
1.18 damieng 412: h1.appendChild(new DNText(LCDStrings.get(role)));
1.9 damieng 413: section.appendChild(h1);
414: x.Element hiddenp = doc.cfg.findSubElement(sectionRef, doc.hiddenParaRefs);
1.18 damieng 415: DNHiddenP p = new DNHiddenP.fromRef(hiddenp);
1.9 damieng 416: section.appendChild(p);
1.17 damieng 417: section.setupSimpleUI();
1.1 damieng 418: if (doc.insert2(section, page.getSelectionStart())) {
1.18 damieng 419: page.cursor.moveTo(new Position(p, 0));
1.1 damieng 420: page.updateAfterPathChange();
421: }
422: };
423: menu.add(menuItem);
424: }
425: ToolbarMenu tbmenu = new ToolbarMenu(menu, Toolbar.insertMenuUpdate, page.toolbar);
426: return(tbmenu);
427: }
428:
429: Future<x.Document> _readTemplates(String templatesPath) {
430: x.DOMParser dp = new x.DOMParser();
431: return(dp.parseFromURL(templatesPath));
432: }
433:
434: Menu _makeTemplatesMenu(x.Document templatesDoc) {
435: Menu menu = new Menu(LCDStrings.get('Templates'));
436: x.Element templates = templatesDoc.documentElement;
437: for (x.Node child in templates.childNodes) {
438: if (child.nodeType == x.Node.ELEMENT_NODE && child.nodeName == 'menu') {
439: menu.add(_makeMenu(child));
440: }
441: }
442: return(menu);
443: }
444:
445: Menu _makeMenu(x.Element el) {
446: String locale = LCDStrings.systemLocale;
447: String defaultLocale = LCDStrings.defaultLocale;
448: String title;
449: for (x.Node child in el.childNodes) {
450: if (child.nodeType == x.Node.ELEMENT_NODE && child.nodeName == 'title') {
451: if (child.firstChild != null && child.firstChild.nodeType == x.Node.TEXT_NODE) {
452: if ((child as x.Element).getAttribute('lang') == locale) {
453: title = child.firstChild.nodeValue;
454: break;
455: } else if ((child as x.Element).getAttribute('lang') == defaultLocale) {
456: title = child.firstChild.nodeValue;
457: }
458: }
459: }
460: }
461: if (title == null)
462: title = '?';
463: Menu menu = new Menu(title);
464: for (x.Node child in el.childNodes) {
465: if (child.nodeType == x.Node.ELEMENT_NODE) {
466: if (child.nodeName == 'menu') {
467: menu.add(_makeMenu(child));
468: } else if (child.nodeName == 'item') {
469: menu.add(_makeItem(child));
470: }
471: }
472: }
473: return(menu);
474: }
475:
476: MenuItem _makeItem(x.Element item) {
477: String locale = LCDStrings.systemLocale;
478: String defaultLocale = LCDStrings.defaultLocale;
479: String path, type, title, help;
480: for (x.Node child in item.childNodes) {
481: if (child.nodeType == x.Node.ELEMENT_NODE) {
482: if (child.nodeName == 'title') {
483: if (child.firstChild != null && child.firstChild.nodeType == x.Node.TEXT_NODE) {
484: if ((child as x.Element).getAttribute('lang') == locale) {
485: title = child.firstChild.nodeValue;
486: } else if (title == null && (child as x.Element).getAttribute('lang') == defaultLocale) {
487: title = child.firstChild.nodeValue;
488: }
489: }
490: } else if (child.nodeName == 'path' && child.firstChild != null && child.firstChild.nodeType == x.Node.TEXT_NODE) {
491: path = child.firstChild.nodeValue;
492: } else if (child.nodeName == 'type' && child.firstChild != null && child.firstChild.nodeType == x.Node.TEXT_NODE) {
493: type = child.firstChild.nodeValue;
494: } else if (child.nodeName == 'help') {
495: if (child.firstChild != null && child.firstChild.nodeType == x.Node.TEXT_NODE) {
496: if ((child as x.Element).getAttribute('lang') == locale) {
497: help = child.firstChild.nodeValue;
498: } else if (help == null && (child as x.Element).getAttribute('lang') == defaultLocale) {
499: help = child.firstChild.nodeValue;
500: }
501: }
502: }
503: }
504: }
505: if (type == null) {
506: print("Warning: missing type for template $title\n");
507: type = 'problem';
508: }
509: x.Element refElement = doc.cfg.elementReference(type);
510: MenuItem menuItem = new MenuItem(title, () => _insertTemplate(path), data: refElement);
511: if (help != null)
512: menuItem.toolTipText = help;
513: return menuItem;
514: }
515:
516: void _insertTemplate(String filePath) {
517: try {
518: x.DOMParser dp = new x.DOMParser();
519: dp.parseFromURL(filePath).then((x.Document templateDoc) {
520: x.Element root = templateDoc.documentElement;
521: if (root == null)
522: return;
523: doc.removeWhitespace(root);
524: DaxeNode dnRoot = NodeFactory.createFromNode(root, null);
525: UndoableEdit edit;
526: Position pos = page.getSelectionStart();
527: if (dnRoot.nodeName == 'loncapa' && doc.getRootElement() != null)
528: edit = doc.insertChildrenEdit(dnRoot, pos, checkValidity:true);
1.12 damieng 529: else {
530: DaxeNode parent = pos.dn;
531: if (parent is DNText)
532: parent = parent.parent;
533: if (parent is DNHiddenP && !doc.cfg.isSubElement(parent.ref, dnRoot.ref)) {
534: // The node must be inserted outside of the paragraph.
535: // If there is something in the paragraph to the right of the cursor, it must be
536: // moved into a new paragraph after the inserted node.
537: // (as in DaxeDocument.insert2)
538: DNHiddenP p = parent;
539: edit = new UndoableEdit.compound(Strings.get('undo.insert_element'));
540: Position pend = new Position(p, p.offsetLength);
541: pend.moveInsideTextNodeIfPossible();
542: if (pos < pend) {
543: DaxeNode clone = doc.cloneBetween(pos, pend);
544: edit.addSubEdit(doc.removeBetweenEdit(pos, pend));
545: DNHiddenP newp = NodeFactory.create(p.ref);
546: edit.addSubEdit(new UndoableEdit.insertNode(
547: new Position(p.parent, p.parent.offsetOf(p) + 1), newp));
548: edit.addSubEdit(doc.insertChildrenEdit(clone, new Position(newp, 0)));
549: }
550: edit.addSubEdit(new UndoableEdit.insertNode(
551: new Position(p.parent, p.parent.offsetOf(p)+1), dnRoot));
552: } else
553: edit = new UndoableEdit.insertNode(pos, dnRoot);
554: }
1.1 damieng 555: doc.doNewEdit(edit);
556: page.updateAfterPathChange();
1.8 damieng 557: if (dnRoot.nodeName != 'loncapa')
558: page.scrollToNode(dnRoot);
1.1 damieng 559: });
560: } on x.DOMException catch(ex) {
561: h.window.alert(ex.toString());
562: }
563: }
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