8
0

renderer.js 93 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027202820292030203120322033203420352036203720382039204020412042204320442045204620472048204920502051205220532054205520562057205820592060206120622063206420652066206720682069207020712072207320742075207620772078207920802081208220832084208520862087208820892090209120922093209420952096209720982099210021012102210321042105210621072108210921102111211221132114211521162117211821192120212121222123212421252126212721282129213021312132213321342135213621372138213921402141214221432144214521462147214821492150215121522153215421552156215721582159216021612162216321642165216621672168216921702171217221732174217521762177217821792180218121822183218421852186218721882189219021912192219321942195219621972198219922002201220222032204220522062207220822092210221122122213221422152216221722182219222022212222222322242225222622272228222922302231223222332234223522362237223822392240224122422243224422452246224722482249225022512252225322542255225622572258225922602261226222632264226522662267226822692270227122722273227422752276227722782279228022812282228322842285228622872288228922902291229222932294229522962297229822992300230123022303230423052306230723082309231023112312231323142315231623172318231923202321232223232324232523262327232823292330233123322333233423352336233723382339234023412342234323442345234623472348234923502351235223532354235523562357235823592360236123622363236423652366236723682369237023712372237323742375237623772378237923802381238223832384238523862387238823892390239123922393239423952396239723982399240024012402240324042405240624072408240924102411241224132414241524162417241824192420242124222423242424252426242724282429243024312432243324342435243624372438243924402441244224432444244524462447244824492450245124522453245424552456245724582459246024612462246324642465246624672468246924702471247224732474247524762477247824792480248124822483248424852486248724882489249024912492249324942495249624972498249925002501250225032504250525062507250825092510251125122513251425152516251725182519252025212522252325242525252625272528252925302531253225332534253525362537253825392540254125422543254425452546254725482549255025512552255325542555255625572558255925602561256225632564256525662567256825692570257125722573257425752576257725782579258025812582258325842585258625872588258925902591259225932594259525962597259825992600260126022603260426052606260726082609261026112612261326142615261626172618261926202621262226232624262526262627262826292630263126322633263426352636263726382639264026412642264326442645264626472648264926502651265226532654265526562657265826592660266126622663266426652666266726682669267026712672267326742675267626772678267926802681268226832684268526862687268826892690
  1. /**
  2. * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* globals document, window, NodeFilter */
  6. import View from '../../src/view/view';
  7. import ViewElement from '../../src/view/element';
  8. import ViewContainerElement from '../../src/view/containerelement';
  9. import ViewAttributeElement from '../../src/view/attributeelement';
  10. import ViewText from '../../src/view/text';
  11. import ViewRange from '../../src/view/range';
  12. import ViewPosition from '../../src/view/position';
  13. import DocumentSelection from '../../src/view/documentselection';
  14. import DomConverter from '../../src/view/domconverter';
  15. import Renderer from '../../src/view/renderer';
  16. import DocumentFragment from '../../src/view/documentfragment';
  17. import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';
  18. import { parse, setData as setViewData, getData as getViewData } from '../../src/dev-utils/view';
  19. import { INLINE_FILLER, INLINE_FILLER_LENGTH, isBlockFiller, BR_FILLER } from '../../src/view/filler';
  20. import testUtils from '@ckeditor/ckeditor5-core/tests/_utils/utils';
  21. import createViewRoot from './_utils/createroot';
  22. import createElement from '@ckeditor/ckeditor5-utils/src/dom/createelement';
  23. import normalizeHtml from '@ckeditor/ckeditor5-utils/tests/_utils/normalizehtml';
  24. testUtils.createSinonSandbox();
  25. describe( 'Renderer', () => {
  26. let selection, domConverter, renderer;
  27. beforeEach( () => {
  28. selection = new DocumentSelection();
  29. domConverter = new DomConverter();
  30. renderer = new Renderer( domConverter, selection );
  31. renderer.domDocuments.add( document );
  32. } );
  33. describe( 'markToSync', () => {
  34. let viewRoot;
  35. beforeEach( () => {
  36. viewRoot = new ViewElement( 'p' );
  37. const domRoot = document.createElement( 'p' );
  38. domConverter.bindElements( domRoot, viewRoot );
  39. viewRoot._appendChild( new ViewText( 'foo' ) );
  40. renderer.markedTexts.clear();
  41. renderer.markedAttributes.clear();
  42. renderer.markedChildren.clear();
  43. } );
  44. it( 'should mark attributes which need update', () => {
  45. viewRoot._setAttribute( 'class', 'foo' );
  46. renderer.markToSync( 'attributes', viewRoot );
  47. expect( renderer.markedAttributes.has( viewRoot ) ).to.be.true;
  48. } );
  49. it( 'should mark children which need update', () => {
  50. viewRoot._appendChild( new ViewText( 'foo' ) );
  51. renderer.markToSync( 'children', viewRoot );
  52. expect( renderer.markedChildren.has( viewRoot ) ).to.be.true;
  53. } );
  54. it( 'should not mark children if element has no corresponding node', () => {
  55. // Overwrite viewRoot with node without coresponding DOM node.
  56. viewRoot = new ViewElement( 'p' );
  57. viewRoot._appendChild( new ViewText( 'foo' ) );
  58. renderer.markToSync( 'children', viewRoot );
  59. expect( renderer.markedTexts.has( viewRoot ) ).to.be.false;
  60. } );
  61. it( 'should mark text which need update', () => {
  62. const viewText = new ViewText( 'foo' );
  63. viewRoot._appendChild( viewText );
  64. viewText._data = 'bar';
  65. renderer.markToSync( 'text', viewText );
  66. expect( renderer.markedTexts.has( viewText ) ).to.be.true;
  67. } );
  68. it( 'should not mark text if parent has no corresponding node', () => {
  69. const viewText = new ViewText( 'foo' );
  70. // Overwrite viewRoot with node without coresponding DOM node.
  71. viewRoot = new ViewElement( 'p' );
  72. viewRoot._appendChild( viewText );
  73. viewText._data = 'bar';
  74. renderer.markToSync( 'text', viewText );
  75. expect( renderer.markedTexts.has( viewText ) ).to.be.false;
  76. } );
  77. it( 'should throw if the type is unknown', () => {
  78. expect( () => {
  79. renderer.markToSync( 'UNKNOWN', viewRoot );
  80. } ).to.throw( CKEditorError, /^view-renderer-unknown-type/ );
  81. } );
  82. } );
  83. describe( 'render', () => {
  84. let viewRoot, domRoot, selectionEditable;
  85. beforeEach( () => {
  86. viewRoot = new ViewElement( 'div' );
  87. domRoot = document.createElement( 'div' );
  88. document.body.appendChild( domRoot );
  89. domConverter.bindElements( domRoot, viewRoot );
  90. renderer.markedTexts.clear();
  91. renderer.markedAttributes.clear();
  92. renderer.markedChildren.clear();
  93. selection._setTo( null );
  94. selectionEditable = viewRoot;
  95. renderer.isFocused = true;
  96. // Fake selection editable - it is needed to render selection properly.
  97. Object.defineProperty( selection, 'editableElement', {
  98. get() {
  99. return selectionEditable;
  100. }
  101. } );
  102. } );
  103. afterEach( () => {
  104. domRoot.remove();
  105. } );
  106. it( 'should update attributes', () => {
  107. viewRoot._setAttribute( 'class', 'foo' );
  108. renderer.markToSync( 'attributes', viewRoot );
  109. renderer.render();
  110. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  111. expect( renderer.markedAttributes.size ).to.equal( 0 );
  112. } );
  113. it( 'should remove attributes', () => {
  114. viewRoot._setAttribute( 'class', 'foo' );
  115. domRoot.setAttribute( 'id', 'bar' );
  116. domRoot.setAttribute( 'class', 'bar' );
  117. renderer.markToSync( 'attributes', viewRoot );
  118. renderer.render();
  119. expect( domRoot.getAttribute( 'class' ) ).to.equal( 'foo' );
  120. expect( domRoot.getAttribute( 'id' ) ).to.be.not.ok;
  121. expect( renderer.markedAttributes.size ).to.equal( 0 );
  122. } );
  123. it( 'should add children', () => {
  124. viewRoot._appendChild( new ViewText( 'foo' ) );
  125. renderer.markToSync( 'children', viewRoot );
  126. renderer.render();
  127. expect( domRoot.childNodes.length ).to.equal( 1 );
  128. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  129. expect( renderer.markedChildren.size ).to.equal( 0 );
  130. } );
  131. it( 'should remove children', () => {
  132. viewRoot._appendChild( new ViewText( 'foo' ) );
  133. renderer.markToSync( 'children', viewRoot );
  134. renderer.render();
  135. expect( domRoot.childNodes.length ).to.equal( 1 );
  136. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  137. viewRoot._removeChildren( 0, 1 );
  138. renderer.markToSync( 'children', viewRoot );
  139. renderer.render();
  140. expect( domRoot.childNodes.length ).to.equal( 0 );
  141. expect( renderer.markedChildren.size ).to.equal( 0 );
  142. } );
  143. it( 'should update text', () => {
  144. const viewText = new ViewText( 'foo' );
  145. viewRoot._appendChild( viewText );
  146. renderer.markToSync( 'children', viewRoot );
  147. renderer.render();
  148. expect( domRoot.childNodes.length ).to.equal( 1 );
  149. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  150. viewText._data = 'bar';
  151. renderer.markToSync( 'text', viewText );
  152. renderer.render();
  153. expect( domRoot.childNodes.length ).to.equal( 1 );
  154. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'bar' );
  155. expect( renderer.markedTexts.size ).to.equal( 0 );
  156. } );
  157. it( 'should not update same text', () => {
  158. const viewText = new ViewText( 'foo' );
  159. viewRoot._appendChild( viewText );
  160. renderer.markToSync( 'children', viewRoot );
  161. renderer.render();
  162. expect( domRoot.childNodes.length ).to.equal( 1 );
  163. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  164. viewText._data = 'foo';
  165. renderer.markToSync( 'text', viewText );
  166. renderAndExpectNoChanges( renderer, domRoot );
  167. expect( domRoot.childNodes.length ).to.equal( 1 );
  168. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  169. expect( renderer.markedTexts.size ).to.equal( 0 );
  170. } );
  171. it( 'should not update text parent child list changed', () => {
  172. const viewImg = new ViewElement( 'img' );
  173. const viewText = new ViewText( 'foo' );
  174. viewRoot._appendChild( [ viewImg, viewText ] );
  175. renderer.markToSync( 'children', viewRoot );
  176. renderer.markToSync( 'text', viewText );
  177. renderer.render();
  178. expect( domRoot.childNodes.length ).to.equal( 2 );
  179. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'IMG' );
  180. expect( domRoot.childNodes[ 1 ].data ).to.equal( 'foo' );
  181. } );
  182. it( 'should not change text if it is the same during text rendering', () => {
  183. const viewText = new ViewText( 'foo' );
  184. viewRoot._appendChild( viewText );
  185. renderer.markToSync( 'children', viewRoot );
  186. renderer.render();
  187. // This should not be changed during the render.
  188. const domText = domRoot.childNodes[ 0 ];
  189. renderer.markToSync( 'text', viewText );
  190. renderer.render();
  191. expect( domRoot.childNodes.length ).to.equal( 1 );
  192. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  193. } );
  194. it( 'should not change text if it is the same during children rendering', () => {
  195. const viewText = new ViewText( 'foo' );
  196. viewRoot._appendChild( viewText );
  197. renderer.markToSync( 'children', viewRoot );
  198. renderer.render();
  199. // This should not be changed during the render.
  200. const domText = domRoot.childNodes[ 0 ];
  201. renderer.markToSync( 'children', viewRoot );
  202. renderer.render();
  203. expect( domRoot.childNodes.length ).to.equal( 1 );
  204. expect( domRoot.childNodes[ 0 ] ).to.equal( domText );
  205. } );
  206. it( 'should not change element if it is the same', () => {
  207. const viewImg = new ViewElement( 'img' );
  208. viewRoot._appendChild( viewImg );
  209. // This should not be changed during the render.
  210. const domImg = document.createElement( 'img' );
  211. domRoot.appendChild( domImg );
  212. domConverter.bindElements( domImg, viewImg );
  213. renderer.markToSync( 'children', viewRoot );
  214. renderer.render();
  215. expect( domRoot.childNodes.length ).to.equal( 1 );
  216. expect( domRoot.childNodes[ 0 ] ).to.equal( domImg );
  217. } );
  218. it( 'should change element if it is different', () => {
  219. const viewImg = new ViewElement( 'img' );
  220. viewRoot._appendChild( viewImg );
  221. renderer.markToSync( 'children', viewRoot );
  222. renderer.render();
  223. const viewP = new ViewElement( 'p' );
  224. viewRoot._removeChildren( 0, 1 );
  225. viewRoot._appendChild( viewP );
  226. renderer.markToSync( 'children', viewRoot );
  227. renderer.render();
  228. expect( domRoot.childNodes.length ).to.equal( 1 );
  229. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'P' );
  230. } );
  231. it( 'should update removed item when it is reinserted', () => {
  232. const viewFoo = new ViewText( 'foo' );
  233. const viewP = new ViewElement( 'p', null, viewFoo );
  234. const viewDiv = new ViewElement( 'div', null, viewP );
  235. viewRoot._appendChild( viewDiv );
  236. renderer.markToSync( 'children', viewRoot );
  237. renderer.render();
  238. viewDiv._removeChildren( 0, 1 );
  239. renderer.markToSync( 'children', viewDiv );
  240. renderer.render();
  241. viewP._removeChildren( 0, 1 );
  242. viewDiv._appendChild( viewP );
  243. renderer.markToSync( 'children', viewDiv );
  244. renderer.render();
  245. expect( domRoot.childNodes.length ).to.equal( 1 );
  246. const domDiv = domRoot.childNodes[ 0 ];
  247. expect( domDiv.tagName ).to.equal( 'DIV' );
  248. expect( domDiv.childNodes.length ).to.equal( 1 );
  249. const domP = domDiv.childNodes[ 0 ];
  250. expect( domP.tagName ).to.equal( 'P' );
  251. expect( domP.childNodes.length ).to.equal( 0 );
  252. } );
  253. it( 'should update removed item when it is reinserted #2', () => {
  254. // Prepare view: root -> div "outer" -> div "inner" -> p.
  255. const viewP = new ViewElement( 'p' );
  256. const viewDivInner = new ViewElement( 'div', null, viewP );
  257. const viewDivOuter = new ViewElement( 'div', null, viewDivInner );
  258. viewRoot._appendChild( viewDivOuter );
  259. // Render view tree to DOM.
  260. renderer.markToSync( 'children', viewRoot );
  261. renderer.render();
  262. // Remove div "outer" from root and render it.
  263. viewDivOuter._remove();
  264. renderer.markToSync( 'children', viewRoot );
  265. renderer.render();
  266. // Remove p from div "child" -- div "inner" won't be marked because it is in document fragment not view root.
  267. viewP._remove();
  268. // Add div "outer" back to root.
  269. viewRoot._appendChild( viewDivOuter );
  270. renderer.markToSync( 'children', viewRoot );
  271. // Render changes, view is: root -> div "outer" -> div "inner".
  272. renderer.render();
  273. // Same is expected in DOM.
  274. expect( domRoot.childNodes.length ).to.equal( 1 );
  275. const domDivOuter = domRoot.childNodes[ 0 ];
  276. expect( renderer.domConverter.viewToDom( viewDivOuter, domRoot.document ) ).to.equal( domDivOuter );
  277. expect( domDivOuter.tagName ).to.equal( 'DIV' );
  278. expect( domDivOuter.childNodes.length ).to.equal( 1 );
  279. const domDivInner = domDivOuter.childNodes[ 0 ];
  280. expect( renderer.domConverter.viewToDom( viewDivInner, domRoot.document ) ).to.equal( domDivInner );
  281. expect( domDivInner.tagName ).to.equal( 'DIV' );
  282. expect( domDivInner.childNodes.length ).to.equal( 0 );
  283. } );
  284. it( 'should not throw when trying to update children of view element that got removed and lost its binding', () => {
  285. const viewFoo = new ViewText( 'foo' );
  286. const viewP = new ViewElement( 'p', null, viewFoo );
  287. const viewDiv = new ViewElement( 'div', null, viewP );
  288. viewRoot._appendChild( viewDiv );
  289. renderer.markToSync( 'children', viewRoot );
  290. renderer.render();
  291. viewRoot._removeChildren( 0, 1 );
  292. renderer.markToSync( 'children', viewRoot );
  293. viewDiv._removeChildren( 0, 1 );
  294. renderer.markToSync( 'children', viewDiv );
  295. viewP._removeChildren( 0, 1 );
  296. renderer.markToSync( 'children', viewP );
  297. renderer.render();
  298. expect( domRoot.childNodes.length ).to.equal( 0 );
  299. } );
  300. it( 'should not care about filler if there is no DOM', () => {
  301. selectionEditable = null;
  302. const { view: viewP, selection: newSelection } = parse(
  303. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  304. const viewRoot = new ViewElement( 'p' );
  305. viewRoot._appendChild( viewP );
  306. selection._setTo( newSelection );
  307. renderer.markToSync( 'children', viewRoot );
  308. renderer.render();
  309. // Expect no error on render.
  310. expect( viewRoot ).to.be.ok;
  311. } );
  312. it( 'should not add filler when inside contenteditable=false parent', () => {
  313. const { view: viewP, selection: newSelection } = parse(
  314. '<container:p>foo<attribute:b contenteditable="false">[]</attribute:b>bar</container:p>' );
  315. viewRoot._appendChild( viewP );
  316. selection._setTo( newSelection );
  317. renderer.markToSync( 'children', viewRoot );
  318. renderer.render();
  319. expect( domRoot.childNodes.length ).to.equal( 1 );
  320. expect( domRoot.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'p' );
  321. const domP = domRoot.childNodes[ 0 ];
  322. expect( domP.childNodes.length ).to.equal( 3 );
  323. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  324. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  325. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  326. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  327. } );
  328. it( 'should not add filler when inside contenteditable=false ancestor', () => {
  329. const { view: viewP, selection: newSelection } = parse(
  330. '<container:p contenteditable="false">foo<attribute:b>[]</attribute:b>bar</container:p>' );
  331. viewRoot._appendChild( viewP );
  332. selection._setTo( newSelection );
  333. renderer.markToSync( 'children', viewRoot );
  334. renderer.render();
  335. expect( domRoot.childNodes.length ).to.equal( 1 );
  336. expect( domRoot.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'p' );
  337. const domP = domRoot.childNodes[ 0 ];
  338. expect( domP.childNodes.length ).to.equal( 3 );
  339. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  340. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  341. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  342. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  343. } );
  344. it( 'should add and remove inline filler in case <p>foo<b>[]</b>bar</p>', () => {
  345. const domSelection = document.getSelection();
  346. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  347. const { view: viewP, selection: newSelection } = parse(
  348. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  349. viewRoot._appendChild( viewP );
  350. selection._setTo( newSelection );
  351. renderer.markToSync( 'children', viewRoot );
  352. renderer.render();
  353. expect( domRoot.childNodes.length ).to.equal( 1 );
  354. expect( domRoot.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'p' );
  355. const domP = domRoot.childNodes[ 0 ];
  356. expect( domP.childNodes.length ).to.equal( 3 );
  357. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  358. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  359. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  360. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  361. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  362. expect( domSelection.rangeCount ).to.equal( 1 );
  363. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  364. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  365. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  366. // Step 2: No mutation on second render
  367. renderer.markToSync( 'children', viewRoot );
  368. renderer.markToSync( 'children', viewP );
  369. renderAndExpectNoChanges( renderer, domRoot );
  370. // Step 3: <p>foo{}<b></b></p>
  371. selection._setTo( ViewRange.createFromParentsAndOffsets( viewP.getChild( 0 ), 3, viewP.getChild( 0 ), 3 ) );
  372. renderer.render();
  373. expect( domP.childNodes.length ).to.equal( 3 );
  374. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  375. expect( domP.childNodes[ 2 ].data ).to.equal( 'bar' );
  376. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  377. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  378. expect( domSelection.rangeCount ).to.equal( 1 );
  379. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  380. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  381. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  382. // Step 4: No mutation on second render
  383. renderer.markToSync( 'children', viewRoot );
  384. renderer.markToSync( 'children', viewP );
  385. renderAndExpectNoChanges( renderer, domRoot );
  386. } );
  387. it( 'should add and remove inline filler in case <p>[]<b>foo</b></p>', () => {
  388. const domSelection = document.getSelection();
  389. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  390. const { view: viewP, selection: newSelection } = parse(
  391. '<container:p>[]<attribute:b>foo</attribute:b></container:p>' );
  392. viewRoot._appendChild( viewP );
  393. selection._setTo( newSelection );
  394. renderer.markToSync( 'children', viewRoot );
  395. renderer.render();
  396. const domP = domRoot.childNodes[ 0 ];
  397. expect( domP.childNodes.length ).to.equal( 2 );
  398. expect( domP.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  399. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  400. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  401. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  402. expect( domSelection.rangeCount ).to.equal( 1 );
  403. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  404. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  405. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  406. // Step 2: No mutation on second render
  407. renderer.markToSync( 'children', viewP );
  408. renderAndExpectNoChanges( renderer, domRoot );
  409. // Step 3: <p><b>{}foo</b></p>
  410. selection._setTo( ViewRange.createFromParentsAndOffsets(
  411. viewP.getChild( 0 ).getChild( 0 ), 0, viewP.getChild( 0 ).getChild( 0 ), 0 ) );
  412. renderer.render();
  413. expect( domP.childNodes.length ).to.equal( 1 );
  414. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  415. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  416. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  417. expect( domSelection.rangeCount ).to.equal( 1 );
  418. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ].childNodes[ 0 ] );
  419. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  420. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  421. // Step 4: No mutation on second render
  422. renderer.markToSync( 'children', viewP );
  423. renderAndExpectNoChanges( renderer, domRoot );
  424. } );
  425. it( 'should add and remove inline filler in case <p><b>foo</b>[]</p>', () => {
  426. const domSelection = document.getSelection();
  427. // Step 1: <p>"FILLER{}"<b>foo</b></p>
  428. const { view: viewP, selection: newSelection } = parse(
  429. '<container:p><attribute:b>foo</attribute:b>[]</container:p>' );
  430. viewRoot._appendChild( viewP );
  431. selection._setTo( newSelection );
  432. renderer.markToSync( 'children', viewRoot );
  433. renderer.render();
  434. const domP = domRoot.childNodes[ 0 ];
  435. expect( domP.childNodes.length ).to.equal( 2 );
  436. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  437. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  438. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  439. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  440. expect( domSelection.rangeCount ).to.equal( 1 );
  441. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  442. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  443. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  444. // Step 2: No mutation on second render
  445. renderer.markToSync( 'children', viewP );
  446. renderAndExpectNoChanges( renderer, domRoot );
  447. // Step 3: <p><b>foo{}</b></p>
  448. selection._setTo( ViewRange.createFromParentsAndOffsets(
  449. viewP.getChild( 0 ).getChild( 0 ), 3, viewP.getChild( 0 ).getChild( 0 ), 3 ) );
  450. renderer.render();
  451. expect( domP.childNodes.length ).to.equal( 1 );
  452. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  453. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  454. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  455. expect( domSelection.rangeCount ).to.equal( 1 );
  456. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ].childNodes[ 0 ] );
  457. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  458. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  459. // Step 4: No mutation on second render
  460. renderer.markToSync( 'children', viewP );
  461. renderAndExpectNoChanges( renderer, domRoot );
  462. } );
  463. it( 'should add and remove inline filler in case <p><b>foo</b>[]<b>bar</b></p>', () => {
  464. const domSelection = document.getSelection();
  465. const { view: viewP, selection: newSelection } = parse(
  466. '<container:p><attribute:b>foo</attribute:b>[]<attribute:b>bar</attribute:b></container:p>' );
  467. viewRoot._appendChild( viewP );
  468. selection._setTo( newSelection );
  469. renderer.markToSync( 'children', viewRoot );
  470. renderer.render();
  471. const domP = domRoot.childNodes[ 0 ];
  472. expect( domP.childNodes.length ).to.equal( 3 );
  473. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  474. expect( domP.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  475. expect( domP.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  476. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  477. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'b' );
  478. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 1 );
  479. expect( domP.childNodes[ 2 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  480. expect( domSelection.rangeCount ).to.equal( 1 );
  481. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 1 ] );
  482. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  483. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  484. } );
  485. it( 'should move filler when selection is moved', () => {
  486. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  487. const { view: viewP, selection: newSelection } = parse(
  488. '<container:p>foo<attribute:b>[]</attribute:b><attribute:i></attribute:i></container:p>' );
  489. viewRoot._appendChild( viewP );
  490. selection._setTo( newSelection );
  491. renderer.markToSync( 'children', viewRoot );
  492. renderer.render();
  493. const domP = domRoot.childNodes[ 0 ];
  494. expect( domP.childNodes.length ).to.equal( 3 );
  495. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  496. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  497. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  498. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  499. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'i' );
  500. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 0 );
  501. // Step 2: <p>foo<b></b><i>"FILLER{}"</i></p>
  502. const viewI = viewP.getChild( 2 );
  503. selection._setTo( ViewRange.createFromParentsAndOffsets( viewI, 0, viewI, 0 ) );
  504. renderer.render();
  505. expect( domP.childNodes.length ).to.equal( 3 );
  506. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  507. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  508. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 0 );
  509. expect( domP.childNodes[ 2 ].tagName.toLowerCase() ).to.equal( 'i' );
  510. expect( domP.childNodes[ 2 ].childNodes.length ).to.equal( 1 );
  511. expect( domP.childNodes[ 2 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  512. } );
  513. it( 'should remove filler when text is added and selection removed', () => {
  514. // Step 1: <p>foo<b>"FILLER{}"</b></p>
  515. const { view: viewP, selection: newSelection } = parse( '<container:p>foo<attribute:b>[]</attribute:b></container:p>' );
  516. const viewB = viewP.getChild( 1 );
  517. viewRoot._appendChild( viewP );
  518. selection._setTo( newSelection );
  519. renderer.markToSync( 'children', viewRoot );
  520. renderer.render();
  521. const domP = domRoot.childNodes[ 0 ];
  522. expect( domP.childNodes.length ).to.equal( 2 );
  523. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  524. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  525. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  526. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  527. // Step 2: Add text node.
  528. const viewText = new ViewText( 'x' );
  529. viewB._appendChild( viewText );
  530. selection._setTo( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  531. renderer.markToSync( 'children', viewB );
  532. renderer.render();
  533. // Step 3: Remove selection from the view.
  534. selection._setTo( null );
  535. renderer.render();
  536. expect( domP.childNodes.length ).to.equal( 2 );
  537. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  538. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  539. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  540. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'x' );
  541. } );
  542. // #659
  543. // The element before the filler is removed so the position of the filler
  544. // cannot be remembered as parent+offset.
  545. it( 'should remove filler from a modified DOM in case <p>bar<b>foo</b>[]</p>', () => {
  546. // Step 1: <p>bar<b>foo</b>"FILLER{}"</p>
  547. const { view: viewP, selection: newSelection } = parse( '<container:p>bar<attribute:b>foo</attribute:b>[]</container:p>' );
  548. viewRoot._appendChild( viewP );
  549. selection._setTo( newSelection );
  550. renderer.markToSync( 'children', viewRoot );
  551. renderer.render();
  552. const domP = domRoot.childNodes[ 0 ];
  553. expect( domP.childNodes.length ).to.equal( 3 );
  554. expect( domP.childNodes[ 2 ].data ).to.equal( INLINE_FILLER );
  555. // Step 2: Remove the <b> and update the selection (<p>bar[]</p>).
  556. viewP._removeChildren( 1 );
  557. selection._setTo( ViewRange.createFromParentsAndOffsets( viewP, 1, viewP, 1 ) );
  558. renderer.markToSync( 'children', viewP );
  559. renderer.render();
  560. // Step 3: Check whether there's no filler in the DOM.
  561. expect( domP.childNodes.length ).to.equal( 1 );
  562. expect( domP.childNodes[ 0 ].data ).to.equal( 'bar' );
  563. } );
  564. // #659
  565. it( 'should remove filler from a modified DOM when children moved', () => {
  566. // Step 1: <p><b>foo</b>"FILLER{}"<b>bar</b></p><p></p>
  567. const { view: viewFragment, selection: newSelection } = parse(
  568. '<container:p><attribute:b>foo</attribute:b>[]<attribute:b>bar</attribute:b></container:p><container:p></container:p>'
  569. );
  570. viewRoot._appendChild( viewFragment );
  571. selection._setTo( newSelection );
  572. renderer.markToSync( 'children', viewRoot );
  573. renderer.render();
  574. expect( domRoot.childNodes.length ).to.equal( 2 );
  575. const domP = domRoot.childNodes[ 0 ];
  576. const domP2 = domRoot.childNodes[ 1 ];
  577. expect( domP.childNodes.length ).to.equal( 3 );
  578. expect( domP.childNodes[ 1 ].data ).to.equal( INLINE_FILLER );
  579. // Step 2: Move <b>foo</b><b>bar</b> to the second paragraph and leave collapsed selection in the first one.
  580. // <p>[]</p><p><b>foo</b><b>bar</b></p>
  581. const viewP = viewRoot.getChild( 0 );
  582. const viewP2 = viewRoot.getChild( 1 );
  583. const removedChildren = viewP._removeChildren( 0, 2 );
  584. viewP2._appendChild( removedChildren );
  585. selection._setTo( ViewRange.createFromParentsAndOffsets( viewP, 0, viewP, 0 ) );
  586. renderer.markToSync( 'children', viewP );
  587. renderer.markToSync( 'children', viewP2 );
  588. renderer.render();
  589. // Step 3: Check whether in the first paragraph there's a <br> filler and that
  590. // in the second one there are two <b> tags.
  591. expect( domP.childNodes.length ).to.equal( 1 );
  592. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  593. expect( domP2.childNodes.length ).to.equal( 2 );
  594. expect( domP2.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  595. expect( domP2.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  596. } );
  597. // Test for an edge case in the _isSelectionInInlineFiller which can be triggered like
  598. // in one of ckeditor/ckeditor5-typing#59 automated tests.
  599. it( 'should not break when selection is moved to a new element, when filler exists', () => {
  600. // Step 1: <p>bar<b>"FILLER{}"</b></p>
  601. const { view: viewP, selection: newSelection } = parse( '<container:p>bar<attribute:b>[]</attribute:b></container:p>' );
  602. viewRoot._appendChild( viewP );
  603. selection._setTo( newSelection );
  604. renderer.markToSync( 'children', viewRoot );
  605. renderer.render();
  606. const domP = domRoot.childNodes[ 0 ];
  607. expect( domP.childNodes.length ).to.equal( 2 );
  608. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  609. // Step 2: Move selection to a new attribute element and remove the previous one
  610. viewP._removeChildren( 1 ); // Remove <b>.
  611. const viewI = parse( '<attribute:i></attribute:i>' );
  612. viewP._appendChild( viewI );
  613. selection._setTo( ViewRange.createFromParentsAndOffsets( viewI, 0, viewI, 0 ) );
  614. renderer.markToSync( 'children', viewP );
  615. renderer.render();
  616. // Step 3: Check whether new filler was created in the <i> element.
  617. expect( domP.childNodes.length ).to.equal( 2 );
  618. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'i' );
  619. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  620. } );
  621. // Test for an edge case in the _isSelectionInInlineFiller, when selection is before a view element
  622. // that has not been yet rendered/bound to DOM.
  623. it( 'should remove inline filler if selection is before a view element not bound to dom', () => {
  624. // Step 1: <p>bar<b>abc</b>"FILLER"{}</p>
  625. const { view: viewP, selection: newSelection } = parse( '<container:p>bar<attribute:b>abc</attribute:b>[]</container:p>' );
  626. viewRoot._appendChild( viewP );
  627. selection._setTo( newSelection );
  628. renderer.markToSync( 'children', viewRoot );
  629. renderer.render();
  630. const domP = domRoot.childNodes[ 0 ];
  631. expect( domP.childNodes.length ).to.equal( 3 );
  632. expect( domP.childNodes[ 2 ].data ).to.equal( INLINE_FILLER );
  633. // Step 2: Move selection to a new attribute element.
  634. const viewAbc = parse( 'abc' );
  635. viewP._appendChild( viewAbc );
  636. selection._setTo( ViewRange.createFromParentsAndOffsets( viewP, 3, viewP, 3 ) );
  637. renderer.markToSync( 'children', viewP );
  638. renderer.render();
  639. // Step 3: Check whether old filler was removed.
  640. expect( domP.childNodes.length ).to.equal( 3 );
  641. expect( domP.textContent.indexOf( INLINE_FILLER ) ).to.equal( -1 );
  642. } );
  643. it( 'should handle typing in empty block, do nothing if changes are already applied', () => {
  644. const domSelection = document.getSelection();
  645. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  646. viewRoot._appendChild( viewP );
  647. selection._setTo( newSelection );
  648. renderer.markToSync( 'children', viewRoot );
  649. renderer.render();
  650. const domP = domRoot.childNodes[ 0 ];
  651. expect( domP.childNodes.length ).to.equal( 1 );
  652. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  653. expect( domSelection.rangeCount ).to.equal( 1 );
  654. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  655. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  656. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  657. // Remove filler and add text node to both DOM and View <p>x{}</p>
  658. domP.removeChild( domP.childNodes[ 0 ] );
  659. domP.appendChild( document.createTextNode( 'x' ) );
  660. domSelection.removeAllRanges();
  661. const domRange = document.createRange();
  662. domRange.setStart( domP.childNodes[ 0 ], 1 );
  663. domRange.collapse( true );
  664. domSelection.addRange( domRange );
  665. const viewText = new ViewText( 'x' );
  666. viewP._appendChild( viewText );
  667. selection._setTo( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  668. renderer.markToSync( 'children', viewP );
  669. renderAndExpectNoChanges( renderer, domRoot );
  670. } );
  671. it( 'should handle typing in empty block, render if needed', () => {
  672. const domSelection = document.getSelection();
  673. const { view: viewP, selection: newSelection } = parse( '<container:p>[]</container:p>' );
  674. viewRoot._appendChild( viewP );
  675. selection._setTo( newSelection );
  676. renderer.markToSync( 'children', viewRoot );
  677. renderer.render();
  678. const domP = domRoot.childNodes[ 0 ];
  679. expect( domP.childNodes.length ).to.equal( 1 );
  680. expect( isBlockFiller( domP.childNodes[ 0 ], BR_FILLER ) ).to.be.true;
  681. expect( domSelection.rangeCount ).to.equal( 1 );
  682. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP );
  683. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  684. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  685. // Add text node only in View <p>x{}</p>
  686. const viewText = new ViewText( 'x' );
  687. viewP._appendChild( viewText );
  688. selection._setTo( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  689. renderer.markToSync( 'children', viewP );
  690. renderer.render();
  691. expect( domP.childNodes.length ).to.equal( 1 );
  692. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  693. expect( domSelection.rangeCount ).to.equal( 1 );
  694. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  695. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  696. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  697. } );
  698. it( 'should handle removing last character', () => {
  699. const domSelection = document.getSelection();
  700. const { view: viewP, selection: newSelection } = parse( '<container:p>x{}</container:p>' );
  701. viewRoot._appendChild( viewP );
  702. selection._setTo( newSelection );
  703. renderer.markToSync( 'children', viewRoot );
  704. renderer.render();
  705. const domP = domRoot.childNodes[ 0 ];
  706. expect( domP.childNodes.length ).to.equal( 1 );
  707. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  708. expect( domSelection.rangeCount ).to.equal( 1 );
  709. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  710. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  711. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  712. // Remove text and add filler to both DOM and View <p>{}</p>
  713. domP.removeChild( domP.childNodes[ 0 ] );
  714. domP.appendChild( BR_FILLER( document ) ); // eslint-disable-line new-cap
  715. domSelection.removeAllRanges();
  716. const domRange = document.createRange();
  717. domRange.setStart( domP.childNodes[ 0 ], 0 );
  718. domRange.collapse( true );
  719. domSelection.addRange( domRange );
  720. viewP._removeChildren( 0 );
  721. selection._setTo( ViewRange.createFromParentsAndOffsets( viewP, 0, viewP, 0 ) );
  722. renderer.markToSync( 'children', viewP );
  723. renderAndExpectNoChanges( renderer, domRoot );
  724. } );
  725. it( 'should handle typing in empty attribute, do nothing if changes are already applied', () => {
  726. const domSelection = document.getSelection();
  727. // 1. Render <p><b>FILLER{}</b>foo</p>.
  728. const { view: viewP, selection: newSelection } = parse(
  729. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  730. viewRoot._appendChild( viewP );
  731. selection._setTo( newSelection );
  732. renderer.markToSync( 'children', viewRoot );
  733. renderer.render();
  734. // 2. Check the DOM.
  735. const domP = domRoot.childNodes[ 0 ];
  736. expect( domP.childNodes.length ).to.equal( 2 );
  737. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  738. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  739. const domB = domP.childNodes[ 0 ];
  740. const viewB = viewP.getChild( 0 );
  741. expect( domB.childNodes.length ).to.equal( 1 );
  742. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  743. expect( domSelection.rangeCount ).to.equal( 1 );
  744. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  745. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  746. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  747. // 3. Add text node to both the DOM and the view: <p><b>FILLERx</b>foo</p>.
  748. domB.childNodes[ 0 ].data += 'x';
  749. domSelection.removeAllRanges();
  750. const domRange = document.createRange();
  751. domRange.setStart( domB.childNodes[ 0 ], INLINE_FILLER_LENGTH + 1 );
  752. domRange.collapse( true );
  753. domSelection.addRange( domRange );
  754. const viewText = new ViewText( 'x' );
  755. viewB._appendChild( viewText );
  756. selection._setTo( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  757. renderer.markToSync( 'children', viewP );
  758. renderAndExpectNoChanges( renderer, domRoot );
  759. } );
  760. it( 'should handle typing in empty attribute as a children change, render if needed', () => {
  761. const domSelection = document.getSelection();
  762. // 1. Render <p><b>FILLER{}</b>foo</p>.
  763. const { view: viewP, selection: newSelection } = parse(
  764. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  765. viewRoot._appendChild( viewP );
  766. selection._setTo( newSelection );
  767. renderer.markToSync( 'children', viewRoot );
  768. renderer.render();
  769. // 2. Check the DOM.
  770. const domP = domRoot.childNodes[ 0 ];
  771. expect( domP.childNodes.length ).to.equal( 2 );
  772. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  773. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  774. const domB = domP.childNodes[ 0 ];
  775. const viewB = viewP.getChild( 0 );
  776. expect( domB.childNodes.length ).to.equal( 1 );
  777. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  778. expect( domSelection.rangeCount ).to.equal( 1 );
  779. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  780. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  781. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  782. domSelection.removeAllRanges();
  783. // 3. Add text node only to the view: <p><b>x{}</b>foo</p>.
  784. const viewText = new ViewText( 'x' );
  785. viewB._appendChild( viewText );
  786. selection._setTo( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  787. renderer.markToSync( 'children', viewB );
  788. renderer.render();
  789. expect( domB.childNodes.length ).to.equal( 1 );
  790. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  791. expect( domSelection.rangeCount ).to.equal( 1 );
  792. // Depending on the browser selection may end up at the end of the text node or after the text node.
  793. const firstRange = domSelection.getRangeAt( 0 );
  794. const assertSelectionAtEndOfTextNode = () => {
  795. expect( firstRange.startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  796. };
  797. const assertSelectionInsideTextNode = () => {
  798. expect( firstRange.startContainer ).to.equal( domB );
  799. expect( firstRange.startOffset ).to.equal( 1 );
  800. };
  801. testUtils.checkAssertions( assertSelectionAtEndOfTextNode, assertSelectionInsideTextNode );
  802. expect( firstRange.collapsed ).to.be.true;
  803. } );
  804. it( 'should handle typing in empty attribute as a text change, render if needed', () => {
  805. const domSelection = document.getSelection();
  806. // 1. Render <p><b>FILLER{}</b>foo</p>.
  807. const { view: viewP, selection: newSelection } = parse(
  808. '<container:p><attribute:b>[]</attribute:b>foo</container:p>' );
  809. viewRoot._appendChild( viewP );
  810. selection._setTo( newSelection );
  811. renderer.markToSync( 'children', viewRoot );
  812. renderer.render();
  813. // 2. Check the DOM.
  814. const domP = domRoot.childNodes[ 0 ];
  815. expect( domP.childNodes.length ).to.equal( 2 );
  816. expect( domP.childNodes[ 0 ].tagName.toLowerCase() ).to.equal( 'b' );
  817. expect( domP.childNodes[ 1 ].data ).to.equal( 'foo' );
  818. const domB = domP.childNodes[ 0 ];
  819. const viewB = viewP.getChild( 0 );
  820. expect( domB.childNodes.length ).to.equal( 1 );
  821. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  822. expect( domSelection.rangeCount ).to.equal( 1 );
  823. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  824. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  825. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  826. // 3. Add text node only to the view: <p><b>x{}</b>foo</p>.
  827. const viewText = new ViewText( 'x' );
  828. viewB._appendChild( viewText );
  829. selection._setTo( ViewRange.createFromParentsAndOffsets( viewText, 1, viewText, 1 ) );
  830. renderer.markToSync( 'text', viewText );
  831. renderer.render();
  832. // 4. Check the DOM.
  833. expect( domB.childNodes.length ).to.equal( 1 );
  834. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'x' );
  835. expect( domSelection.rangeCount ).to.equal( 1 );
  836. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  837. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH + 1 );
  838. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  839. } );
  840. it( 'should handle not collapsed range', () => {
  841. const domSelection = document.getSelection();
  842. const { view: viewP, selection: newSelection } = parse(
  843. '<container:p>fo{o<attribute:b>b}ar</attribute:b></container:p>' );
  844. viewRoot._appendChild( viewP );
  845. selection._setTo( newSelection );
  846. renderer.markToSync( 'children', viewRoot );
  847. renderer.render();
  848. const domP = domRoot.childNodes[ 0 ];
  849. expect( domP.childNodes.length ).to.equal( 2 );
  850. expect( domP.childNodes[ 0 ].data ).to.equal( 'foo' );
  851. expect( domP.childNodes[ 1 ].tagName.toLowerCase() ).to.equal( 'b' );
  852. expect( domP.childNodes[ 1 ].childNodes.length ).to.equal( 1 );
  853. expect( domP.childNodes[ 1 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  854. expect( domSelection.rangeCount ).to.equal( 1 );
  855. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  856. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 2 );
  857. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 1 ].childNodes[ 0 ] );
  858. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 1 );
  859. renderer.markToSync( 'children', viewP );
  860. renderAndExpectNoChanges( renderer, domRoot );
  861. } );
  862. it( 'should not change selection if there is no editable with selection', () => {
  863. const domDiv = createElement( document, 'div', { contenteditable: true }, 'not editable' );
  864. document.body.appendChild( domDiv );
  865. domDiv.focus();
  866. const domSelection = document.getSelection();
  867. domSelection.removeAllRanges();
  868. domSelection.collapse( domDiv, 0 );
  869. selectionEditable = null;
  870. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  871. viewRoot._appendChild( viewP );
  872. selection._setTo( newSelection );
  873. renderer.render();
  874. expect( domSelection.rangeCount ).to.equal( 1 );
  875. // Depending on the browser selection may end up before the text node or at the beginning of it.
  876. const domRange = domSelection.getRangeAt( 0 );
  877. const assertSelectionAtEndOfTextNode = () => {
  878. expect( domRange.startContainer ).to.equal( domDiv );
  879. };
  880. const assertSelectionInsideTextNode = () => {
  881. expect( domRange.startContainer ).to.equal( domDiv.childNodes[ 0 ] );
  882. };
  883. testUtils.checkAssertions( assertSelectionAtEndOfTextNode, assertSelectionInsideTextNode );
  884. expect( domRange.startOffset ).to.equal( 0 );
  885. expect( domRange.collapsed ).to.be.true;
  886. domDiv.remove();
  887. } );
  888. it( 'should not change selection if there is no focus', () => {
  889. const domDiv = createElement( document, 'div', null, 'not editable' );
  890. document.body.appendChild( domDiv );
  891. const domSelection = document.getSelection();
  892. domSelection.removeAllRanges();
  893. const domRange = document.createRange();
  894. domRange.setStart( domDiv, 0 );
  895. domRange.collapse( true );
  896. domSelection.addRange( domRange );
  897. renderer.isFocused = false;
  898. const { view: viewP, selection: newSelection } = parse( '<container:p>fo{o}</container:p>' );
  899. viewRoot._appendChild( viewP );
  900. selection._setTo( newSelection );
  901. renderer.render();
  902. expect( domSelection.rangeCount ).to.equal( 1 );
  903. // Depending on the browser selection may end up before the text node or at the beginning of it.
  904. const domSelectionRange = domSelection.getRangeAt( 0 );
  905. const assertSelectionAtEndOfTextNode = () => {
  906. expect( domSelectionRange.startContainer ).to.equal( domDiv );
  907. };
  908. const assertSelectionInsideTextNode = () => {
  909. expect( domSelectionRange.startContainer ).to.equal( domDiv.childNodes[ 0 ] );
  910. };
  911. testUtils.checkAssertions( assertSelectionAtEndOfTextNode, assertSelectionInsideTextNode );
  912. expect( domSelectionRange.startOffset ).to.equal( 0 );
  913. expect( domSelectionRange.collapsed ).to.be.true;
  914. domDiv.remove();
  915. } );
  916. it( 'should not add inline filler after text node', () => {
  917. const { view: viewP, selection: newSelection } = parse( '<container:p>foo[]</container:p>' );
  918. viewRoot._appendChild( viewP );
  919. selection._setTo( newSelection );
  920. renderer.markToSync( 'children', viewRoot );
  921. renderer.render();
  922. const domP = domRoot.childNodes[ 0 ];
  923. expect( domP.innerHTML.indexOf( INLINE_FILLER ) ).to.equal( -1 );
  924. } );
  925. it( 'should throw if there is no filler in expected position', () => {
  926. const { view: viewP, selection: newSelection } = parse(
  927. '<container:p>foo<attribute:b>[]</attribute:b>bar</container:p>' );
  928. viewRoot._appendChild( viewP );
  929. selection._setTo( newSelection );
  930. renderer.markToSync( 'children', viewRoot );
  931. renderer.render();
  932. const domB = domRoot.childNodes[ 0 ].childNodes[ 1 ];
  933. const viewB = viewP.getChild( 1 );
  934. expect( domB.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  935. // Remove filler.
  936. domB.childNodes[ 0 ].data = '';
  937. selection._setTo( null );
  938. renderer.markToSync( 'children', viewB );
  939. expect( () => {
  940. renderer.render();
  941. } ).to.throw( CKEditorError, /^view-renderer-filler-was-lost/ );
  942. } );
  943. // #1014.
  944. it( 'should create inline filler in newly created dom nodes', () => {
  945. // 1. Create the view structure which needs inline filler.
  946. const inputView =
  947. '<container:ul>' +
  948. '<container:li>Foobar.</container:li>' +
  949. '<container:li>[]<container:div></container:div></container:li>' +
  950. '</container:ul>';
  951. const { view: view, selection: newSelection } = parse( inputView );
  952. viewRoot._appendChild( view );
  953. selection._setTo( newSelection );
  954. renderer.markToSync( 'children', viewRoot );
  955. renderer.render();
  956. // 2. Check if filler element has been (correctly) created.
  957. expect( domRoot.innerHTML.indexOf( INLINE_FILLER ) ).not.to.equal( -1 );
  958. // 3. Move the inline filler parent to a newly created element.
  959. const viewLi = view.getChild( 0 );
  960. const viewLiIndented = view._removeChildren( 1, 1 ); // Array with one element.
  961. const viewUl = new ViewContainerElement( 'ul', null, viewLiIndented );
  962. viewLi._appendChild( viewUl );
  963. // 4. Mark changed items and render the view.
  964. renderer.markToSync( 'children', view );
  965. renderer.markToSync( 'children', viewLi );
  966. renderer.render();
  967. expect( domRoot.innerHTML.indexOf( INLINE_FILLER ) ).not.to.equal( -1 );
  968. const domSelection = document.getSelection();
  969. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 7 ); // After inline filler.
  970. } );
  971. it( 'should handle focusing element', () => {
  972. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  973. const editable = selection.editableElement;
  974. renderer.render();
  975. expect( editable ).to.equal( viewRoot );
  976. expect( domFocusSpy.calledOnce ).to.be.true;
  977. } );
  978. it( 'should not focus editable if isFocues is set to false', () => {
  979. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  980. renderer.isFocused = false;
  981. renderer.render();
  982. expect( domFocusSpy.calledOnce ).to.be.false;
  983. } );
  984. it( 'should not focus already focused DOM element', () => {
  985. domRoot.setAttribute( 'contentEditable', true );
  986. domRoot.focus();
  987. const domFocusSpy = testUtils.sinon.spy( domRoot, 'focus' );
  988. renderer.render();
  989. expect( domFocusSpy.called ).to.be.false;
  990. } );
  991. it( 'should render NBSP as first space in inline element after another space', () => {
  992. const viewP = parse( '<container:p>x <attribute:b>y</attribute:b></container:p>' );
  993. viewRoot._appendChild( viewP );
  994. renderer.markToSync( 'children', viewRoot );
  995. renderer.render();
  996. const domP = domRoot.childNodes[ 0 ];
  997. const domB = domP.childNodes[ 1 ];
  998. expect( domP.childNodes[ 0 ].data ).to.equal( 'x ' );
  999. expect( domB.childNodes[ 0 ].data ).to.equal( 'y' );
  1000. expect( domP.innerHTML ).to.equal( 'x <b>y</b>' );
  1001. // Insert space resulting in '<p>x <b> y</b></p>'.
  1002. const viewB = viewP.getChild( 1 );
  1003. viewB._removeChildren( 0 );
  1004. viewB._appendChild( new ViewText( ' y' ) );
  1005. renderer.markToSync( 'children', viewP );
  1006. renderer.render();
  1007. expect( domP.childNodes[ 0 ].data ).to.equal( 'x ' );
  1008. expect( domB.childNodes[ 0 ].data ).to.equal( '\u00A0y' );
  1009. expect( domP.innerHTML ).to.equal( 'x <b>&nbsp;y</b>' );
  1010. } );
  1011. it( 'should update sibling after, when node before is removed', () => {
  1012. const viewP = parse( '<container:p>x<attribute:b> y</attribute:b></container:p>' );
  1013. viewRoot._appendChild( viewP );
  1014. renderer.markToSync( 'children', viewRoot );
  1015. renderer.render();
  1016. const domP = domRoot.childNodes[ 0 ];
  1017. const domB = domP.childNodes[ 1 ];
  1018. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  1019. expect( domB.childNodes[ 0 ].data ).to.equal( ' y' );
  1020. expect( domP.innerHTML ).to.equal( 'x<b> y</b>' );
  1021. // Remove 'x' resulting in '<p><b> y</b></p>'.
  1022. viewP._removeChildren( 0 );
  1023. renderer.markToSync( 'children', viewP );
  1024. renderer.render();
  1025. expect( domB.childNodes[ 0 ].data ).to.equal( '\u00A0y' );
  1026. expect( domP.innerHTML ).to.equal( '<b>&nbsp;y</b>' );
  1027. } );
  1028. it( 'should update sibling before, when node after is removed', () => {
  1029. const viewP = parse( '<container:p>x <attribute:b>y</attribute:b></container:p>' );
  1030. viewRoot._appendChild( viewP );
  1031. renderer.markToSync( 'children', viewRoot );
  1032. renderer.render();
  1033. const domP = domRoot.childNodes[ 0 ];
  1034. const domB = domP.childNodes[ 1 ];
  1035. expect( domP.childNodes[ 0 ].data ).to.equal( 'x ' );
  1036. expect( domB.childNodes[ 0 ].data ).to.equal( 'y' );
  1037. expect( domP.innerHTML ).to.equal( 'x <b>y</b>' );
  1038. // Remove '<b>y</b>' resulting in '<p>x </p>'.
  1039. viewP._removeChildren( 1 );
  1040. renderer.markToSync( 'children', viewP );
  1041. renderer.render();
  1042. expect( domP.childNodes[ 0 ].data ).to.equal( 'x\u00A0' );
  1043. expect( domP.innerHTML ).to.equal( 'x&nbsp;' );
  1044. } );
  1045. // #1093
  1046. it( 'should update siblings after space is inserted in element before - text-element', () => {
  1047. const viewP = parse( '<container:p>x<attribute:b> y</attribute:b></container:p>' );
  1048. viewRoot._appendChild( viewP );
  1049. renderer.markToSync( 'children', viewRoot );
  1050. renderer.render();
  1051. const domP = domRoot.childNodes[ 0 ];
  1052. const domB = domP.childNodes[ 1 ];
  1053. expect( domP.childNodes[ 0 ].data ).to.equal( 'x' );
  1054. expect( domB.childNodes[ 0 ].data ).to.equal( ' y' );
  1055. expect( domP.innerHTML ).to.equal( 'x<b> y</b>' );
  1056. // Insert space resulting in '<p>x <b> y</b></p>'.
  1057. viewP._removeChildren( 0 );
  1058. viewP._insertChild( 0, new ViewText( 'x ' ) );
  1059. renderer.markToSync( 'children', viewP );
  1060. renderer.render();
  1061. expect( domP.childNodes[ 0 ].data ).to.equal( 'x ' );
  1062. expect( domB.childNodes[ 0 ].data ).to.equal( '\u00A0y' );
  1063. expect( domP.innerHTML ).to.equal( 'x <b>&nbsp;y</b>' );
  1064. } );
  1065. // #1093
  1066. it( 'should update siblings after space is inserted in element before - element-text', () => {
  1067. const viewP = parse( '<container:p><attribute:b>x</attribute:b> y</container:p>' );
  1068. viewRoot._appendChild( viewP );
  1069. renderer.markToSync( 'children', viewRoot );
  1070. renderer.render();
  1071. const domP = domRoot.childNodes[ 0 ];
  1072. const domB = domP.childNodes[ 0 ];
  1073. expect( domB.childNodes[ 0 ].data ).to.equal( 'x' );
  1074. expect( domP.childNodes[ 1 ].data ).to.equal( ' y' );
  1075. expect( domP.innerHTML ).to.equal( '<b>x</b> y' );
  1076. // Insert space resulting in '<p><b>x </b> y</p>'.
  1077. const viewB = viewP.getChild( 0 );
  1078. viewB._removeChildren( 0 );
  1079. viewB._insertChild( 0, new ViewText( 'x ' ) );
  1080. renderer.markToSync( 'children', viewP );
  1081. renderer.render();
  1082. expect( domB.childNodes[ 0 ].data ).to.equal( 'x ' );
  1083. expect( domP.childNodes[ 1 ].data ).to.equal( '\u00A0y' );
  1084. expect( domP.innerHTML ).to.equal( '<b>x </b>&nbsp;y' );
  1085. } );
  1086. // #1093
  1087. it( 'should update siblings after space is inserted in element before - element-element', () => {
  1088. const viewP = parse( '<container:p><attribute:b>x</attribute:b><attribute:i> y</attribute:i></container:p>' );
  1089. viewRoot._appendChild( viewP );
  1090. renderer.markToSync( 'children', viewRoot );
  1091. renderer.render();
  1092. const domP = domRoot.childNodes[ 0 ];
  1093. const domB = domP.childNodes[ 0 ];
  1094. const domI = domP.childNodes[ 1 ];
  1095. expect( domB.childNodes[ 0 ].data ).to.equal( 'x' );
  1096. expect( domI.childNodes[ 0 ].data ).to.equal( ' y' );
  1097. expect( domP.innerHTML ).to.equal( '<b>x</b><i> y</i>' );
  1098. // Insert space resulting in '<p><b>x </b><i> y</i></p>'.
  1099. const viewB = viewP.getChild( 0 );
  1100. viewB._removeChildren( 0 );
  1101. viewB._insertChild( 0, new ViewText( 'x ' ) );
  1102. renderer.markToSync( 'children', viewP );
  1103. renderer.render();
  1104. expect( domB.childNodes[ 0 ].data ).to.equal( 'x ' );
  1105. expect( domI.childNodes[ 0 ].data ).to.equal( '\u00A0y' );
  1106. expect( domP.innerHTML ).to.equal( '<b>x </b><i>&nbsp;y</i>' );
  1107. } );
  1108. // #1125
  1109. it( 'should properly rerender many changes done in one batch', () => {
  1110. // This test transforms:
  1111. //
  1112. // <h2>He<strong>ding 1</strong></h2>
  1113. // <p>Ph <strong>Bold</strong> <i>It<strong>alic</strong></i> <a><strong>Lin</strong>k</a></p>
  1114. // <blockquote><ul><li>Quoted <strong>item 1</strong></li></ul></blockquote>
  1115. //
  1116. // into:
  1117. //
  1118. // <h2>Heading 2</h2>
  1119. // <p>Ph <i><strong>Italic</strong></i> <a><strong>L</strong>ink 1</a></p>
  1120. // <blockquote><p>Qu<strong>ote</strong></p><ul><li><strong>Quoted item 1</strong></li></ul></blockquote>
  1121. //
  1122. // during one rerender to check if complex structure changes are rerendered correctly.
  1123. const viewContent = parse( '' +
  1124. '<container:h2>He' +
  1125. '<attribute:i>ading 1</attribute:i>' +
  1126. '</container:h2>' +
  1127. '<container:p>Ph ' +
  1128. '<attribute:strong>Bold</attribute:strong> ' +
  1129. '<attribute:i>It' +
  1130. '<attribute:strong>alic</attribute:strong>' +
  1131. '</attribute:i> ' +
  1132. '<attribute:a href="https://ckeditor.com">' +
  1133. '<attribute:strong>Lin</attribute:strong>' +
  1134. 'k</attribute:a>' +
  1135. '</container:p>' +
  1136. '<container:blockquote>' +
  1137. '<container:ul>' +
  1138. '<container:li>Quoted <attribute:strong>item 1</attribute:strong></container:li>' +
  1139. '</container:ul>' +
  1140. '</container:blockquote>' );
  1141. viewRoot._appendChild( viewContent );
  1142. renderer.markToSync( 'children', viewRoot );
  1143. renderer.render();
  1144. // '<h2>He<i>ading 1</i></h2>' -> '<h2>Heading 2</h2>'
  1145. const viewHeading = viewRoot.getChild( 0 );
  1146. viewHeading._removeChildren( 0, viewHeading.childCount );
  1147. viewHeading._insertChild( 0, new ViewText( 'Heading 2' ) );
  1148. // Usually whole subtree is marked to sync so we mark root, changed element and all its direct children.
  1149. renderer.markToSync( 'children', viewRoot );
  1150. renderer.markToSync( 'children', viewHeading );
  1151. renderer.markToSync( 'text', viewHeading.getChild( 0 ) );
  1152. // '<p>Ph <strong>Bold</strong> <i>It<strong>alic</strong></i> <a><strong>Lin</strong>k</a></p>'
  1153. // ->
  1154. // '<p>Ph <i><strong>Italic</strong></i> <a><strong>L</strong>ink 1</a></p>'
  1155. const viewP = viewRoot.getChild( 1 );
  1156. viewP._removeChildren( 0, viewP.childCount );
  1157. viewP._insertChild(
  1158. 0,
  1159. parse(
  1160. 'Ph <attribute:i><attribute:strong>Italic</attribute:strong></attribute:i> ' +
  1161. '<attribute:a href="https://ckeditor.com"><attribute:strong>L</attribute:strong>ink 1</attribute:a>'
  1162. )
  1163. );
  1164. renderer.markToSync( 'children', viewRoot );
  1165. renderer.markToSync( 'children', viewP );
  1166. renderer.markToSync( 'children', viewP.getChild( 1 ) );
  1167. renderer.markToSync( 'children', viewP.getChild( 3 ) );
  1168. renderer.markToSync( 'text', viewP.getChild( 0 ) );
  1169. renderer.markToSync( 'text', viewP.getChild( 2 ) );
  1170. // '<blockquote><ul><li>Quoted <strong>item 1</strong></li></ul></blockquote>'
  1171. // -> '<blockquote><p>Qu<strong>ote</strong></p><ul><li><strong>Quoted item 1</strong></li></ul></blockquote>'
  1172. const viewBq = viewRoot.getChild( 2 );
  1173. viewBq._removeChildren( 0, viewBq.childCount );
  1174. viewBq._insertChild(
  1175. 0,
  1176. parse(
  1177. '<container:p>Qu<attribute:strong>ote</attribute:strong></container:p>' +
  1178. '<container:ul><container:li><attribute:strong>Quoted item 1</attribute:strong></container:li></container:ul>'
  1179. )
  1180. );
  1181. renderer.markToSync( 'children', viewRoot );
  1182. renderer.markToSync( 'children', viewBq );
  1183. renderer.markToSync( 'children', viewBq.getChild( 0 ) );
  1184. renderer.markToSync( 'children', viewBq.getChild( 1 ) );
  1185. renderer.render();
  1186. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal(
  1187. '<h2>Heading 2</h2>' +
  1188. '<p>Ph <i><strong>Italic</strong></i> <a href="https://ckeditor.com"><strong>L</strong>ink 1</a></p>' +
  1189. '<blockquote><p>Qu<strong>ote</strong></p><ul><li><strong>Quoted item 1</strong></li></ul></blockquote>'
  1190. );
  1191. } );
  1192. // #1125
  1193. it( 'should properly rerender changes when whole content replaced at once', () => {
  1194. // This test replaces:
  1195. //
  1196. // <h1>Header</h1>
  1197. // <blockquote><ul><li>Quoted <strong>item 1</strong></li><li>Item 2</li></ul></blockquote>
  1198. //
  1199. // with:
  1200. //
  1201. // <h2>Header</h2>
  1202. // <p>Not Quoted <strong>item 1</strong> and item 2</p>
  1203. //
  1204. // during one rerender to check if complex structure changes are rerendered correctly.
  1205. const viewContent = parse(
  1206. '<container:h1>Header</container:h1>' +
  1207. '<container:blockquote>' +
  1208. '<container:ul>' +
  1209. '<container:li>Quoted <attribute:strong>item 1</attribute:strong></container:li>' +
  1210. '<container:li>Item 2</container:li>' +
  1211. '</container:ul>' +
  1212. '</container:blockquote>'
  1213. );
  1214. viewRoot._appendChild( viewContent );
  1215. renderer.markToSync( 'children', viewRoot );
  1216. renderer.render();
  1217. const newViewContent = parse(
  1218. '<container:h2>Header</container:h2>' +
  1219. '<container:p>Not Quoted <attribute:strong>item 1</attribute:strong> and item 2</container:p>'
  1220. );
  1221. viewRoot._removeChildren( 0, viewRoot.childCount );
  1222. viewRoot._appendChild( newViewContent );
  1223. renderer.markToSync( 'children', viewRoot );
  1224. renderer.render();
  1225. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal(
  1226. '<h2>Header</h2><p>Not Quoted <strong>item 1</strong> and item 2</p>'
  1227. );
  1228. } );
  1229. describe( 'fake selection', () => {
  1230. beforeEach( () => {
  1231. const { view: viewP, selection: newSelection } = parse(
  1232. '<container:p>[foo bar]</container:p>'
  1233. );
  1234. viewRoot._appendChild( viewP );
  1235. selection._setTo( newSelection );
  1236. renderer.markToSync( 'children', viewRoot );
  1237. renderer.render();
  1238. } );
  1239. it( 'should render fake selection', () => {
  1240. const label = 'fake selection label';
  1241. selection._setTo( selection.getRanges(), { fake: true, label } );
  1242. renderer.render();
  1243. expect( domRoot.childNodes.length ).to.equal( 2 );
  1244. const container = domRoot.childNodes[ 1 ];
  1245. expect( domConverter.mapDomToView( container ) ).to.be.undefined;
  1246. expect( container.childNodes.length ).to.equal( 1 );
  1247. const textNode = container.childNodes[ 0 ];
  1248. expect( textNode.textContent ).to.equal( label );
  1249. const domSelection = domRoot.ownerDocument.getSelection();
  1250. assertDomSelectionContents( domSelection, container, /^fake selection label$/ );
  1251. } );
  1252. it( 'should render &nbsp; if no selection label is provided', () => {
  1253. selection._setTo( selection.getRanges(), { fake: true } );
  1254. renderer.render();
  1255. expect( domRoot.childNodes.length ).to.equal( 2 );
  1256. const container = domRoot.childNodes[ 1 ];
  1257. expect( container.childNodes.length ).to.equal( 1 );
  1258. const textNode = container.childNodes[ 0 ];
  1259. expect( textNode.textContent ).to.equal( '\u00A0' );
  1260. const domSelection = domRoot.ownerDocument.getSelection();
  1261. assertDomSelectionContents( domSelection, container, /^[ \u00A0]$/ );
  1262. } );
  1263. it( 'should remove fake selection container when selection is no longer fake', () => {
  1264. selection._setTo( selection.getRanges(), { fake: true } );
  1265. renderer.render();
  1266. selection._setTo( selection.getRanges(), { fake: false } );
  1267. renderer.render();
  1268. expect( domRoot.childNodes.length ).to.equal( 1 );
  1269. const domParagraph = domRoot.childNodes[ 0 ];
  1270. expect( domParagraph.childNodes.length ).to.equal( 1 );
  1271. expect( domParagraph.tagName.toLowerCase() ).to.equal( 'p' );
  1272. const domSelection = domRoot.ownerDocument.getSelection();
  1273. assertDomSelectionContents( domSelection, domParagraph, /^foo bar$/ );
  1274. } );
  1275. it( 'should reuse fake selection container #1', () => {
  1276. const label = 'fake selection label';
  1277. selection._setTo( selection.getRanges(), { fake: true, label } );
  1278. renderer.render();
  1279. expect( domRoot.childNodes.length ).to.equal( 2 );
  1280. const container = domRoot.childNodes[ 1 ];
  1281. selection._setTo( selection.getRanges(), { fake: true, label } );
  1282. renderer.render();
  1283. expect( domRoot.childNodes.length ).to.equal( 2 );
  1284. const newContainer = domRoot.childNodes[ 1 ];
  1285. expect( newContainer ).equals( container );
  1286. expect( newContainer.childNodes.length ).to.equal( 1 );
  1287. const textNode = newContainer.childNodes[ 0 ];
  1288. expect( textNode.textContent ).to.equal( label );
  1289. } );
  1290. it( 'should reuse fake selection container #2', () => {
  1291. selection._setTo( selection.getRanges(), { fake: true, label: 'label 1' } );
  1292. renderer.render();
  1293. expect( domRoot.childNodes.length ).to.equal( 2 );
  1294. const container = domRoot.childNodes[ 1 ];
  1295. selection._setTo( selection.getRanges(), { fake: false } );
  1296. renderer.render();
  1297. expect( domRoot.childNodes.length ).to.equal( 1 );
  1298. selection._setTo( selection.getRanges(), { fake: true, label: 'label 2' } );
  1299. renderer.render();
  1300. expect( domRoot.childNodes.length ).to.equal( 2 );
  1301. const newContainer = domRoot.childNodes[ 1 ];
  1302. expect( newContainer ).equals( container );
  1303. expect( newContainer.childNodes.length ).to.equal( 1 );
  1304. const textNode = newContainer.childNodes[ 0 ];
  1305. expect( textNode.textContent ).to.equal( 'label 2' );
  1306. } );
  1307. it( 'should reuse fake selection container #3', () => {
  1308. selection._setTo( selection.getRanges(), { fake: true, label: 'label 1' } );
  1309. renderer.render();
  1310. expect( domRoot.childNodes.length ).to.equal( 2 );
  1311. const container = domRoot.childNodes[ 1 ];
  1312. selection._setTo( selection.getRanges(), { fake: true, label: 'label 2' } );
  1313. renderer.render();
  1314. expect( domRoot.childNodes.length ).to.equal( 2 );
  1315. const newContainer = domRoot.childNodes[ 1 ];
  1316. expect( newContainer ).equals( container );
  1317. expect( newContainer.childNodes.length ).to.equal( 1 );
  1318. const textNode = newContainer.childNodes[ 0 ];
  1319. expect( textNode.textContent ).to.equal( 'label 2' );
  1320. } );
  1321. it( 'should style fake selection container properly', () => {
  1322. selection._setTo( selection.getRanges(), { fake: true, label: 'fake selection' } );
  1323. renderer.render();
  1324. expect( domRoot.childNodes.length ).to.equal( 2 );
  1325. const container = domRoot.childNodes[ 1 ];
  1326. expect( container.style.position ).to.equal( 'fixed' );
  1327. expect( container.style.top ).to.equal( '0px' );
  1328. expect( container.style.left ).to.equal( '-9999px' );
  1329. } );
  1330. it( 'should bind fake selection container to view selection', () => {
  1331. selection._setTo( selection.getRanges(), { fake: true, label: 'fake selection' } );
  1332. renderer.render();
  1333. expect( domRoot.childNodes.length ).to.equal( 2 );
  1334. const container = domRoot.childNodes[ 1 ];
  1335. const bindSelection = renderer.domConverter.fakeSelectionToView( container );
  1336. expect( bindSelection ).to.not.be.undefined;
  1337. expect( bindSelection.isEqual( selection ) ).to.be.true;
  1338. } );
  1339. // Use a forgiving way of checking what the selection contains
  1340. // because Safari normalizes the selection ranges so precise checking is troublesome.
  1341. // Also, Edge returns a normal space instead of nbsp so we need to use even more alternatives.
  1342. function assertDomSelectionContents( domSelection, expectedContainer, expectedText ) {
  1343. const domSelectionContainer = domSelection.getRangeAt( 0 ).commonAncestorContainer;
  1344. expect( domSelection.toString() ).to.match( expectedText );
  1345. expect(
  1346. domSelectionContainer == expectedContainer.firstChild || domSelectionContainer == expectedContainer
  1347. ).to.be.true;
  1348. }
  1349. } );
  1350. // #887
  1351. describe( 'similar selection', () => {
  1352. // Use spies to check selection updates. Some selection positions are not achievable in some
  1353. // browsers (e.g. <p>Foo<b>{}Bar</b></p> in Chrome) so asserting dom selection after rendering would fail.
  1354. let selectionCollapseSpy, selectionExtendSpy;
  1355. afterEach( () => {
  1356. if ( selectionCollapseSpy ) {
  1357. selectionCollapseSpy.restore();
  1358. selectionCollapseSpy = null;
  1359. }
  1360. if ( selectionExtendSpy ) {
  1361. selectionExtendSpy.restore();
  1362. selectionExtendSpy = null;
  1363. }
  1364. } );
  1365. it( 'should always render collapsed selection even if it is similar', () => {
  1366. const domSelection = document.getSelection();
  1367. const { view: viewP, selection: newSelection } = parse(
  1368. '<container:p>foo{}<attribute:b>bar</attribute:b></container:p>' );
  1369. viewRoot._appendChild( viewP );
  1370. selection._setTo( newSelection );
  1371. renderer.markToSync( 'children', viewRoot );
  1372. renderer.render();
  1373. const domP = domRoot.childNodes[ 0 ];
  1374. const domB = domP.childNodes[ 1 ];
  1375. const viewB = viewRoot.getChild( 0 ).getChild( 1 );
  1376. expect( domSelection.isCollapsed ).to.true;
  1377. expect( domSelection.rangeCount ).to.equal( 1 );
  1378. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  1379. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 3 );
  1380. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 0 ] );
  1381. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 3 );
  1382. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1383. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1384. // <container:p>foo<attribute:b>{}bar</attribute:b></container:p>
  1385. selection._setTo( [
  1386. new ViewRange( new ViewPosition( viewB.getChild( 0 ), 0 ), new ViewPosition( viewB.getChild( 0 ), 0 ) )
  1387. ] );
  1388. renderer.markToSync( 'children', viewP );
  1389. renderer.render();
  1390. expect( selectionCollapseSpy.calledOnce ).to.true;
  1391. expect( selectionCollapseSpy.calledWith( domB.childNodes[ 0 ], 0 ) ).to.true;
  1392. expect( selectionExtendSpy.calledOnce ).to.true;
  1393. expect( selectionExtendSpy.calledWith( domB.childNodes[ 0 ], 0 ) ).to.true;
  1394. } );
  1395. it( 'should always render collapsed selection even if it is similar (with empty element)', () => {
  1396. const domSelection = document.getSelection();
  1397. const { view: viewP, selection: newSelection } = parse(
  1398. '<container:p>foo<attribute:b>[]</attribute:b></container:p>' );
  1399. viewRoot._appendChild( viewP );
  1400. selection._setTo( newSelection );
  1401. renderer.markToSync( 'children', viewRoot );
  1402. renderer.render();
  1403. const domP = domRoot.childNodes[ 0 ];
  1404. const domB = domP.childNodes[ 1 ];
  1405. expect( domSelection.isCollapsed ).to.true;
  1406. expect( domSelection.rangeCount ).to.equal( 1 );
  1407. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  1408. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( INLINE_FILLER_LENGTH );
  1409. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ] );
  1410. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( INLINE_FILLER_LENGTH );
  1411. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1412. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1413. // <container:p>foo{}<attribute:b></attribute:b></container:p>
  1414. selection._setTo( [
  1415. new ViewRange( new ViewPosition( viewP.getChild( 0 ), 3 ), new ViewPosition( viewP.getChild( 0 ), 3 ) )
  1416. ] );
  1417. renderer.markToSync( 'children', viewP );
  1418. renderer.render();
  1419. expect( selectionCollapseSpy.calledOnce ).to.true;
  1420. expect( selectionCollapseSpy.calledWith( domP.childNodes[ 0 ], 3 ) ).to.true;
  1421. expect( selectionExtendSpy.calledOnce ).to.true;
  1422. expect( selectionExtendSpy.calledWith( domP.childNodes[ 0 ], 3 ) ).to.true;
  1423. } );
  1424. it( 'should always render non-collapsed selection if it not is similar', () => {
  1425. const domSelection = document.getSelection();
  1426. const { view: viewP, selection: newSelection } = parse(
  1427. '<container:p>fo{o}<attribute:b>bar</attribute:b></container:p>' );
  1428. viewRoot._appendChild( viewP );
  1429. selection._setTo( newSelection );
  1430. renderer.markToSync( 'children', viewRoot );
  1431. renderer.render();
  1432. const domP = domRoot.childNodes[ 0 ];
  1433. const domB = domP.childNodes[ 1 ];
  1434. const viewB = viewRoot.getChild( 0 ).getChild( 1 );
  1435. expect( domSelection.isCollapsed ).to.false;
  1436. expect( domSelection.rangeCount ).to.equal( 1 );
  1437. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  1438. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 2 );
  1439. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domP.childNodes[ 0 ] );
  1440. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 3 );
  1441. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1442. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1443. // <container:p>fo{o<attribute:b>b}ar</attribute:b></container:p>
  1444. selection._setTo( [
  1445. new ViewRange( new ViewPosition( viewP.getChild( 0 ), 2 ), new ViewPosition( viewB.getChild( 0 ), 1 ) )
  1446. ] );
  1447. renderer.markToSync( 'children', viewP );
  1448. renderer.render();
  1449. expect( selectionCollapseSpy.calledOnce ).to.true;
  1450. expect( selectionCollapseSpy.calledWith( domP.childNodes[ 0 ], 2 ) ).to.true;
  1451. expect( selectionExtendSpy.calledOnce ).to.true;
  1452. expect( selectionExtendSpy.calledWith( domB.childNodes[ 0 ], 1 ) ).to.true;
  1453. } );
  1454. it( 'should always render selection (even if it is same in view) if current dom selection is in incorrect place', () => {
  1455. const domSelection = document.getSelection();
  1456. const { view: viewP, selection: newSelection } = parse( '<container:p>foo[]<ui:span></ui:span></container:p>' );
  1457. viewRoot._appendChild( viewP );
  1458. selection._setTo( newSelection );
  1459. renderer.markToSync( 'children', viewRoot );
  1460. renderer.render();
  1461. // In DOM, set position to: <p>foo<span>[]</span></p>. This is incorrect DOM selection (it is in view ui element).
  1462. // Do not change view selection.
  1463. // When renderer will check if the DOM selection changed, it will convert DOM selection to a view selection.
  1464. // Selections (current view selection and view-from-dom selection) will be equal but we will still expect re-render
  1465. // because DOM selection is in incorrect place.
  1466. const domP = domRoot.childNodes[ 0 ];
  1467. const domSpan = domP.childNodes[ 1 ];
  1468. domSelection.collapse( domSpan, 0 );
  1469. renderer.render();
  1470. // Expect that after calling `renderer.render()` the DOM selection was re-rendered (and set at correct position).
  1471. // Depending on the browser selection may end up at the end of the text node or after the text node.
  1472. const assertSelectionAtEndOfTextNode = () => {
  1473. expect( domSelection.anchorNode ).to.equal( domP );
  1474. expect( domSelection.anchorOffset ).to.equal( 1 );
  1475. };
  1476. const assertSelectionInsideTextNode = () => {
  1477. const textNode = domP.childNodes[ 0 ];
  1478. expect( domSelection.anchorNode ).to.equal( textNode );
  1479. expect( domSelection.anchorOffset ).to.equal( 3 );
  1480. };
  1481. testUtils.checkAssertions( assertSelectionAtEndOfTextNode, assertSelectionInsideTextNode );
  1482. expect( domSelection.getRangeAt( 0 ).collapsed ).to.be.true;
  1483. } );
  1484. it( 'should not render non-collapsed selection it is similar (element start)', () => {
  1485. const domSelection = document.getSelection();
  1486. const { view: viewP, selection: newSelection } = parse(
  1487. '<container:p>foo<attribute:b>{ba}r</attribute:b></container:p>' );
  1488. viewRoot._appendChild( viewP );
  1489. selection._setTo( newSelection );
  1490. renderer.markToSync( 'children', viewRoot );
  1491. renderer.render();
  1492. const domP = domRoot.childNodes[ 0 ];
  1493. const domB = domP.childNodes[ 1 ];
  1494. const viewB = viewRoot.getChild( 0 ).getChild( 1 );
  1495. expect( domSelection.isCollapsed ).to.false;
  1496. expect( domSelection.rangeCount ).to.equal( 1 );
  1497. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  1498. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  1499. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ] );
  1500. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 2 );
  1501. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1502. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1503. // <container:p>foo{<attribute:b>ba}r</attribute:b></container:p>
  1504. selection._setTo( [
  1505. new ViewRange( new ViewPosition( viewP.getChild( 0 ), 3 ), new ViewPosition( viewB.getChild( 0 ), 2 ) )
  1506. ] );
  1507. renderer.markToSync( 'children', viewP );
  1508. renderer.render();
  1509. expect( selectionCollapseSpy.notCalled ).to.true;
  1510. expect( selectionExtendSpy.notCalled ).to.true;
  1511. } );
  1512. it( 'should not render non-collapsed selection it is similar (element end)', () => {
  1513. const domSelection = document.getSelection();
  1514. const { view: viewP, selection: newSelection } = parse(
  1515. '<container:p>foo<attribute:b>b{ar}</attribute:b>baz</container:p>' );
  1516. viewRoot._appendChild( viewP );
  1517. selection._setTo( newSelection );
  1518. renderer.markToSync( 'children', viewRoot );
  1519. renderer.render();
  1520. const domP = domRoot.childNodes[ 0 ];
  1521. const domB = domP.childNodes[ 1 ];
  1522. const viewB = viewRoot.getChild( 0 ).getChild( 1 );
  1523. expect( domSelection.isCollapsed ).to.false;
  1524. expect( domSelection.rangeCount ).to.equal( 1 );
  1525. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ] );
  1526. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  1527. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ] );
  1528. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 3 );
  1529. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1530. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1531. // <container:p>foo<attribute:b>b{ar</attribute:b>}baz</container:p>
  1532. selection._setTo( [
  1533. new ViewRange( new ViewPosition( viewB.getChild( 0 ), 1 ), new ViewPosition( viewP.getChild( 2 ), 0 ) )
  1534. ] );
  1535. renderer.markToSync( 'children', viewP );
  1536. renderer.render();
  1537. expect( selectionCollapseSpy.notCalled ).to.true;
  1538. expect( selectionExtendSpy.notCalled ).to.true;
  1539. } );
  1540. it( 'should not render non-collapsed selection it is similar (element start - nested)', () => {
  1541. const domSelection = document.getSelection();
  1542. const { view: viewP, selection: newSelection } = parse(
  1543. '<container:p>foo<attribute:b><attribute:i>{ba}r</attribute:i></attribute:b></container:p>' );
  1544. viewRoot._appendChild( viewP );
  1545. selection._setTo( newSelection );
  1546. renderer.markToSync( 'children', viewRoot );
  1547. renderer.render();
  1548. const domP = domRoot.childNodes[ 0 ];
  1549. const domB = domP.childNodes[ 1 ];
  1550. const viewI = viewRoot.getChild( 0 ).getChild( 1 ).getChild( 0 );
  1551. expect( domSelection.isCollapsed ).to.false;
  1552. expect( domSelection.rangeCount ).to.equal( 1 );
  1553. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domB.childNodes[ 0 ].childNodes[ 0 ] );
  1554. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 0 );
  1555. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ].childNodes[ 0 ] );
  1556. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 2 );
  1557. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1558. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1559. // <container:p>foo{<attribute:b><attribute:i>ba}r</attribute:i></attribute:b></container:p>
  1560. selection._setTo( [
  1561. new ViewRange( new ViewPosition( viewP.getChild( 0 ), 3 ), new ViewPosition( viewI.getChild( 0 ), 2 ) )
  1562. ] );
  1563. renderer.markToSync( 'children', viewP );
  1564. renderer.render();
  1565. expect( selectionCollapseSpy.notCalled ).to.true;
  1566. expect( selectionExtendSpy.notCalled ).to.true;
  1567. } );
  1568. it( 'should not render non-collapsed selection it is similar (element end - nested)', () => {
  1569. const domSelection = document.getSelection();
  1570. const { view: viewP, selection: newSelection } = parse(
  1571. '<container:p>f{oo<attribute:b><attribute:i>bar}</attribute:i></attribute:b>baz</container:p>' );
  1572. viewRoot._appendChild( viewP );
  1573. selection._setTo( newSelection );
  1574. renderer.markToSync( 'children', viewRoot );
  1575. renderer.render();
  1576. const domP = domRoot.childNodes[ 0 ];
  1577. const domB = domP.childNodes[ 1 ];
  1578. expect( domSelection.isCollapsed ).to.false;
  1579. expect( domSelection.rangeCount ).to.equal( 1 );
  1580. expect( domSelection.getRangeAt( 0 ).startContainer ).to.equal( domP.childNodes[ 0 ] );
  1581. expect( domSelection.getRangeAt( 0 ).startOffset ).to.equal( 1 );
  1582. expect( domSelection.getRangeAt( 0 ).endContainer ).to.equal( domB.childNodes[ 0 ].childNodes[ 0 ] );
  1583. expect( domSelection.getRangeAt( 0 ).endOffset ).to.equal( 3 );
  1584. selectionCollapseSpy = sinon.spy( window.Selection.prototype, 'collapse' );
  1585. selectionExtendSpy = sinon.spy( window.Selection.prototype, 'extend' );
  1586. // <container:p>f{oo<attribute:b><attribute:i>bar</attribute:i></attribute:b>}baz</container:p>
  1587. selection._setTo( [
  1588. new ViewRange( new ViewPosition( viewP.getChild( 0 ), 1 ), new ViewPosition( viewP.getChild( 2 ), 0 ) )
  1589. ] );
  1590. renderer.markToSync( 'children', viewP );
  1591. renderer.render();
  1592. expect( selectionCollapseSpy.notCalled ).to.true;
  1593. expect( selectionExtendSpy.notCalled ).to.true;
  1594. } );
  1595. } );
  1596. } );
  1597. describe( '#922', () => {
  1598. let view, viewDoc, viewRoot, domRoot, converter;
  1599. beforeEach( () => {
  1600. view = new View();
  1601. viewDoc = view.document;
  1602. domRoot = document.createElement( 'div' );
  1603. document.body.appendChild( domRoot );
  1604. viewRoot = createViewRoot( viewDoc );
  1605. view.attachDomRoot( domRoot );
  1606. converter = view.domConverter;
  1607. } );
  1608. it( 'should properly render unwrapped attributes #1', () => {
  1609. setViewData( view,
  1610. '<container:p>' +
  1611. '[<attribute:italic>' +
  1612. '<attribute:strong>f</attribute:strong>' +
  1613. '</attribute:italic>]' +
  1614. '<attribute:strong>oo</attribute:strong>' +
  1615. '</container:p>'
  1616. );
  1617. // Render it to DOM to create initial DOM <-> view mappings.
  1618. view.render();
  1619. // Unwrap italic attribute element.
  1620. view.change( writer => {
  1621. writer.unwrap( viewDoc.selection.getFirstRange(), new ViewAttributeElement( 'italic' ) );
  1622. } );
  1623. expect( getViewData( view ) ).to.equal( '<p>[<strong>foo</strong>]</p>' );
  1624. // Re-render changes in view to DOM.
  1625. view.render();
  1626. // Check if DOM is rendered correctly.
  1627. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( '<p><strong>foo</strong></p>' );
  1628. expect( checkMappings() ).to.be.true;
  1629. } );
  1630. it( 'should properly render unwrapped attributes #2', () => {
  1631. setViewData( view,
  1632. '<container:p>' +
  1633. '[<attribute:italic>' +
  1634. '<attribute:strong>foo</attribute:strong>' +
  1635. '</attribute:italic>]' +
  1636. '</container:p>' );
  1637. // Render it to DOM to create initial DOM <-> view mappings.
  1638. view.render();
  1639. // Unwrap italic attribute element and change text inside.
  1640. view.change( writer => {
  1641. writer.unwrap( viewDoc.selection.getFirstRange(), new ViewAttributeElement( 'italic' ) );
  1642. } );
  1643. viewRoot.getChild( 0 ).getChild( 0 ).getChild( 0 )._data = 'bar';
  1644. expect( getViewData( view ) ).to.equal( '<p>[<strong>bar</strong>]</p>' );
  1645. // Re-render changes in view to DOM.
  1646. view.render();
  1647. // Check if DOM is rendered correctly.
  1648. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( '<p><strong>bar</strong></p>' );
  1649. expect( checkMappings() ).to.be.true;
  1650. } );
  1651. it( 'should properly render if text is changed and element is inserted into same node #1', () => {
  1652. setViewData( view,
  1653. '<container:p>foo</container:p>'
  1654. );
  1655. // Render it to DOM to create initial DOM <-> view mappings.
  1656. view.render();
  1657. // Change text and insert new element into paragraph.
  1658. const textNode = viewRoot.getChild( 0 ).getChild( 0 );
  1659. textNode._data = 'foobar';
  1660. view.change( writer => {
  1661. writer.insert( ViewPosition.createAfter( textNode ), new ViewAttributeElement( 'img' ) );
  1662. } );
  1663. expect( getViewData( view ) ).to.equal( '<p>foobar<img></img></p>' );
  1664. // Re-render changes in view to DOM.
  1665. view.render();
  1666. // Check if DOM is rendered correctly.
  1667. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( '<p>foobar<img></img></p>' );
  1668. expect( checkMappings() ).to.be.true;
  1669. } );
  1670. it( 'should properly render if text is changed and element is inserted into same node #2', () => {
  1671. setViewData( view,
  1672. '<container:p>foo</container:p>'
  1673. );
  1674. // Render it to DOM to create initial DOM <-> view mappings.
  1675. view.render();
  1676. // Change text and insert new element into paragraph.
  1677. const textNode = viewRoot.getChild( 0 ).getChild( 0 );
  1678. textNode._data = 'foobar';
  1679. view.change( writer => {
  1680. writer.insert( ViewPosition.createBefore( textNode ), new ViewAttributeElement( 'img' ) );
  1681. } );
  1682. expect( getViewData( view ) ).to.equal( '<p><img></img>foobar</p>' );
  1683. // Re-render changes in view to DOM.
  1684. view.render();
  1685. // Check if DOM is rendered correctly.
  1686. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( '<p><img></img>foobar</p>' );
  1687. expect( checkMappings() ).to.be.true;
  1688. } );
  1689. it( 'should not unbind elements that are removed and reinserted to DOM', () => {
  1690. setViewData( view,
  1691. '<container:p>' +
  1692. '<attribute:b></attribute:b>' +
  1693. '<attribute:i></attribute:i>' +
  1694. '<attribute:span></attribute:span>' +
  1695. '</container:p>'
  1696. );
  1697. // Render it to DOM to create initial DOM <-> view mappings.
  1698. view.render();
  1699. // Remove first element and reinsert it at the end.
  1700. const container = viewRoot.getChild( 0 );
  1701. const firstElement = container.getChild( 0 );
  1702. view.change( writer => {
  1703. writer.remove( ViewRange.createOn( firstElement ) );
  1704. writer.insert( new ViewPosition( container, 2 ), firstElement );
  1705. } );
  1706. expect( getViewData( view ) ).to.equal( '<p><i></i><span></span><b></b></p>' );
  1707. // Re-render changes in view to DOM.
  1708. view.render();
  1709. // Check if DOM is rendered correctly.
  1710. expect( normalizeHtml( domRoot.innerHTML ) ).to.equal( '<p><i></i><span></span><b></b></p>' );
  1711. expect( checkMappings() ).to.be.true;
  1712. } );
  1713. // Checks if every node in DOM tree is mapped to the view.
  1714. function checkMappings() {
  1715. const domWalker = document.createTreeWalker( domRoot, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_TEXT );
  1716. while ( domWalker.nextNode() ) {
  1717. const node = domWalker.currentNode;
  1718. if ( !converter.mapDomToView( node ) && !converter.findCorrespondingViewText( node ) ) {
  1719. return false;
  1720. }
  1721. }
  1722. return true;
  1723. }
  1724. } );
  1725. describe( '_markDescendantTextToSync', () => {
  1726. let viewRoot;
  1727. beforeEach( () => {
  1728. viewRoot = new ViewElement( 'div' );
  1729. renderer.markedTexts.clear();
  1730. renderer.markedAttributes.clear();
  1731. renderer.markedChildren.clear();
  1732. } );
  1733. it( 'should handle null values', () => {
  1734. // Such situation occurs when renderer encounters inline filler in 'renderer._updateChildren'.
  1735. renderer._markDescendantTextToSync( null );
  1736. expect( renderer.markedChildren.size ).to.equal( 0 );
  1737. expect( renderer.markedAttributes.size ).to.equal( 0 );
  1738. expect( renderer.markedTexts.size ).to.equal( 0 );
  1739. } );
  1740. it( 'should handle element nodes', () => {
  1741. const viewP = parse( '<container:p>foo<attribute:b>bar<attribute:i>baz</attribute:i></attribute:b></container:p>' );
  1742. viewRoot._appendChild( viewP );
  1743. renderer._markDescendantTextToSync( viewP );
  1744. expect( renderer.markedChildren.size ).to.equal( 0 );
  1745. expect( renderer.markedAttributes.size ).to.equal( 0 );
  1746. expect( renderer.markedTexts.size ).to.equal( 3 );
  1747. } );
  1748. it( 'should handle text nodes', () => {
  1749. const viewP = parse( '<container:p><attribute:b>bar<attribute:i>baz</attribute:i></attribute:b></container:p>' );
  1750. viewRoot._appendChild( viewP );
  1751. renderer._markDescendantTextToSync( viewP.getChild( 0 ).getChild( 0 ) );
  1752. expect( renderer.markedChildren.size ).to.equal( 0 );
  1753. expect( renderer.markedAttributes.size ).to.equal( 0 );
  1754. expect( renderer.markedTexts.size ).to.equal( 1 );
  1755. } );
  1756. it( 'should handle document fragment', () => {
  1757. const fragment = new DocumentFragment();
  1758. renderer._markDescendantTextToSync( fragment );
  1759. expect( renderer.markedChildren.size ).to.equal( 0 );
  1760. expect( renderer.markedAttributes.size ).to.equal( 0 );
  1761. expect( renderer.markedTexts.size ).to.equal( 0 );
  1762. } );
  1763. it( 'should handle empty element nodes', () => {
  1764. const viewP = parse( '<container:p></container:p>' );
  1765. viewRoot._appendChild( viewP );
  1766. renderer._markDescendantTextToSync( viewP );
  1767. expect( renderer.markedChildren.size ).to.equal( 0 );
  1768. expect( renderer.markedAttributes.size ).to.equal( 0 );
  1769. expect( renderer.markedTexts.size ).to.equal( 0 );
  1770. } );
  1771. } );
  1772. describe( '_updateText', () => {
  1773. let viewRoot, domRoot;
  1774. beforeEach( () => {
  1775. viewRoot = new ViewElement( 'div' );
  1776. domRoot = document.createElement( 'div' );
  1777. document.body.appendChild( domRoot );
  1778. domConverter.bindElements( domRoot, viewRoot );
  1779. renderer.markedTexts.clear();
  1780. renderer.markedAttributes.clear();
  1781. renderer.markedChildren.clear();
  1782. renderer.isFocused = true;
  1783. } );
  1784. afterEach( () => {
  1785. domRoot.remove();
  1786. } );
  1787. it( 'should update text - change on end', () => {
  1788. const viewText = new ViewText( 'foo' );
  1789. viewRoot._appendChild( viewText );
  1790. renderer.markToSync( 'children', viewRoot );
  1791. renderer.render();
  1792. expect( domRoot.childNodes.length ).to.equal( 1 );
  1793. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  1794. viewText._data = 'fobar';
  1795. renderer._updateText( viewText, {} );
  1796. expect( domRoot.childNodes.length ).to.equal( 1 );
  1797. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'fobar' );
  1798. } );
  1799. it( 'should update text - change on start', () => {
  1800. const viewText = new ViewText( 'foo' );
  1801. viewRoot._appendChild( viewText );
  1802. renderer.markToSync( 'children', viewRoot );
  1803. renderer.render();
  1804. expect( domRoot.childNodes.length ).to.equal( 1 );
  1805. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  1806. viewText._data = 'baro';
  1807. renderer._updateText( viewText, {} );
  1808. expect( domRoot.childNodes.length ).to.equal( 1 );
  1809. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'baro' );
  1810. } );
  1811. it( 'should update text - change in the middle', () => {
  1812. const viewText = new ViewText( 'foobar' );
  1813. viewRoot._appendChild( viewText );
  1814. renderer.markToSync( 'children', viewRoot );
  1815. renderer.render();
  1816. expect( domRoot.childNodes.length ).to.equal( 1 );
  1817. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foobar' );
  1818. viewText._data = 'fobazr';
  1819. renderer._updateText( viewText, {} );
  1820. expect( domRoot.childNodes.length ).to.equal( 1 );
  1821. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'fobazr' );
  1822. } );
  1823. it( 'should update text - empty expected', () => {
  1824. const viewText = new ViewText( 'foo' );
  1825. viewRoot._appendChild( viewText );
  1826. renderer.markToSync( 'children', viewRoot );
  1827. renderer.render();
  1828. expect( domRoot.childNodes.length ).to.equal( 1 );
  1829. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  1830. viewText._data = '';
  1831. renderer._updateText( viewText, {} );
  1832. expect( domRoot.childNodes.length ).to.equal( 1 );
  1833. expect( domRoot.childNodes[ 0 ].data ).to.equal( '' );
  1834. } );
  1835. it( 'should update text - empty actual', () => {
  1836. const viewText = new ViewText( '' );
  1837. viewRoot._appendChild( viewText );
  1838. renderer.markToSync( 'children', viewRoot );
  1839. renderer.render();
  1840. expect( domRoot.childNodes.length ).to.equal( 1 );
  1841. expect( domRoot.childNodes[ 0 ].data ).to.equal( '' );
  1842. viewText._data = 'fobar';
  1843. renderer._updateText( viewText, {} );
  1844. expect( domRoot.childNodes.length ).to.equal( 1 );
  1845. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'fobar' );
  1846. } );
  1847. it( 'should handle filler during text modifications', () => {
  1848. const viewText = new ViewText( 'foo' );
  1849. viewRoot._appendChild( viewText );
  1850. renderer.markToSync( 'children', viewRoot );
  1851. renderer.render();
  1852. expect( domRoot.childNodes.length ).to.equal( 1 );
  1853. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'foo' );
  1854. // 1. Insert filler.
  1855. renderer._updateText( viewText, {
  1856. inlineFillerPosition: {
  1857. parent: viewText.parent,
  1858. offset: 0
  1859. }
  1860. } );
  1861. expect( domRoot.childNodes.length ).to.equal( 1 );
  1862. expect( domRoot.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'foo' );
  1863. // 2. Edit text - filler should be preserved.
  1864. viewText._data = 'barfoo';
  1865. renderer._updateText( viewText, {
  1866. inlineFillerPosition: {
  1867. parent: viewText.parent,
  1868. offset: 0
  1869. }
  1870. } );
  1871. expect( domRoot.childNodes.length ).to.equal( 1 );
  1872. expect( domRoot.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'barfoo' );
  1873. // 3. Remove filler.
  1874. renderer._updateText( viewText, {} );
  1875. expect( domRoot.childNodes.length ).to.equal( 1 );
  1876. expect( domRoot.childNodes[ 0 ].data ).to.equal( 'barfoo' );
  1877. } );
  1878. it( 'should handle filler during text modifications - empty text', () => {
  1879. const viewText = new ViewText( '' );
  1880. viewRoot._appendChild( viewText );
  1881. renderer.markToSync( 'children', viewRoot );
  1882. renderer.render();
  1883. expect( domRoot.childNodes.length ).to.equal( 1 );
  1884. expect( domRoot.childNodes[ 0 ].data ).to.equal( '' );
  1885. // 1. Insert filler.
  1886. renderer._updateText( viewText, {
  1887. inlineFillerPosition: {
  1888. parent: viewText.parent,
  1889. offset: 0
  1890. }
  1891. } );
  1892. expect( domRoot.childNodes.length ).to.equal( 1 );
  1893. expect( domRoot.childNodes[ 0 ].data ).to.equal( INLINE_FILLER );
  1894. // 2. Edit text - filler should be preserved.
  1895. viewText._data = 'foo';
  1896. renderer._updateText( viewText, {
  1897. inlineFillerPosition: {
  1898. parent: viewText.parent,
  1899. offset: 0
  1900. }
  1901. } );
  1902. expect( domRoot.childNodes.length ).to.equal( 1 );
  1903. expect( domRoot.childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'foo' );
  1904. // 3. Remove filler.
  1905. viewText._data = '';
  1906. renderer._updateText( viewText, {} );
  1907. expect( domRoot.childNodes.length ).to.equal( 1 );
  1908. expect( domRoot.childNodes[ 0 ].data ).to.equal( '' );
  1909. } );
  1910. it( 'should handle filler during text modifications inside inline element', () => {
  1911. const viewB = new ViewElement( 'b' );
  1912. const viewText = new ViewText( 'foo' );
  1913. viewB._appendChild( viewText );
  1914. viewRoot._appendChild( viewB );
  1915. renderer.markToSync( 'children', viewRoot );
  1916. renderer.render();
  1917. expect( domRoot.childNodes.length ).to.equal( 1 );
  1918. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'B' );
  1919. expect( domRoot.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  1920. expect( domRoot.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'foo' );
  1921. // 1. Insert filler.
  1922. renderer._updateText( viewText, {
  1923. inlineFillerPosition: {
  1924. parent: viewText.parent,
  1925. offset: 0
  1926. }
  1927. } );
  1928. expect( domRoot.childNodes.length ).to.equal( 1 );
  1929. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'B' );
  1930. expect( domRoot.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  1931. expect( domRoot.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'foo' );
  1932. // 2. Edit text - filler should be preserved.
  1933. viewText._data = 'bar';
  1934. renderer._updateText( viewText, {
  1935. inlineFillerPosition: {
  1936. parent: viewText.parent,
  1937. offset: 0
  1938. }
  1939. } );
  1940. expect( domRoot.childNodes.length ).to.equal( 1 );
  1941. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'B' );
  1942. expect( domRoot.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  1943. expect( domRoot.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( INLINE_FILLER + 'bar' );
  1944. // 3. Remove filler.
  1945. viewText._data = 'bar';
  1946. renderer._updateText( viewText, {} );
  1947. expect( domRoot.childNodes.length ).to.equal( 1 );
  1948. expect( domRoot.childNodes[ 0 ].tagName ).to.equal( 'B' );
  1949. expect( domRoot.childNodes[ 0 ].childNodes.length ).to.equal( 1 );
  1950. expect( domRoot.childNodes[ 0 ].childNodes[ 0 ].data ).to.equal( 'bar' );
  1951. } );
  1952. } );
  1953. } );
  1954. function renderAndExpectNoChanges( renderer, domRoot ) {
  1955. const config = {
  1956. childList: true,
  1957. characterData: true,
  1958. characterDataOldValue: true,
  1959. subtree: true
  1960. };
  1961. const mutationObserver = new window.MutationObserver( () => {
  1962. throw 'There should be not mutations';
  1963. } );
  1964. mutationObserver.observe( domRoot, config );
  1965. renderer.render();
  1966. const records = mutationObserver.takeRecords();
  1967. mutationObserver.disconnect();
  1968. expect( records.length ).to.equal( 0 );
  1969. }