2 Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
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3 For licensing, see LICENSE.html or http://ckeditor.com/license
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8 // #### checkSelectionChange : START
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10 // The selection change check basically saves the element parent tree of
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11 // the current node and check it on successive requests. If there is any
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12 // change on the tree, then the selectionChange event gets fired.
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13 function checkSelectionChange()
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17 // In IE, the "selectionchange" event may still get thrown when
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18 // releasing the WYSIWYG mode, so we need to check it first.
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19 var sel = this.getSelection();
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20 if ( !sel || !sel.document.getWindow().$ )
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23 var firstElement = sel.getStartElement();
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24 var currentPath = new CKEDITOR.dom.elementPath( firstElement );
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26 if ( !currentPath.compare( this._.selectionPreviousPath ) )
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28 this._.selectionPreviousPath = currentPath;
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29 this.fire( 'selectionChange', { selection : sel, path : currentPath, element : firstElement } );
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36 var checkSelectionChangeTimer,
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37 checkSelectionChangeTimeoutPending;
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39 function checkSelectionChangeTimeout()
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41 // Firing the "OnSelectionChange" event on every key press started to
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42 // be too slow. This function guarantees that there will be at least
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43 // 200ms delay between selection checks.
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45 checkSelectionChangeTimeoutPending = true;
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47 if ( checkSelectionChangeTimer )
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50 checkSelectionChangeTimeoutExec.call( this );
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52 checkSelectionChangeTimer = CKEDITOR.tools.setTimeout( checkSelectionChangeTimeoutExec, 200, this );
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55 function checkSelectionChangeTimeoutExec()
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57 checkSelectionChangeTimer = null;
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59 if ( checkSelectionChangeTimeoutPending )
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61 // Call this with a timeout so the browser properly moves the
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62 // selection after the mouseup. It happened that the selection was
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63 // being moved after the mouseup when clicking inside selected text
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65 CKEDITOR.tools.setTimeout( checkSelectionChange, 0, this );
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67 checkSelectionChangeTimeoutPending = false;
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71 // #### checkSelectionChange : END
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73 function rangeRequiresFix( range )
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75 function isTextCt( node, isAtEnd )
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77 if ( !node || node.type == CKEDITOR.NODE_TEXT )
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80 var testRng = range.clone();
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81 return testRng[ 'moveToElementEdit' + ( isAtEnd ? 'End' : 'Start' ) ]( node );
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84 var ct = range.startContainer;
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86 var previous = range.getPreviousNode( isVisible, null, ct ),
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87 next = range.getNextNode( isVisible, null, ct );
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89 // Any adjacent text container may absorb the cursor, e.g.
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90 // <p><strong>text</strong>^foo</p>
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91 // <p>foo^<strong>text</strong></p>
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92 // <div>^<p>foo</p></div>
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93 if ( isTextCt( previous ) || isTextCt( next, 1 ) )
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96 // Empty block/inline element is also affected. <span>^</span>, <p>^</p> (#7222)
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97 if ( !( previous || next ) && !( ct.type == CKEDITOR.NODE_ELEMENT && ct.isBlockBoundary() && ct.getBogus() ) )
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105 modes : { wysiwyg : 1, source : 1 },
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106 readOnly : CKEDITOR.env.ie || CKEDITOR.env.webkit,
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107 exec : function( editor )
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109 switch ( editor.mode )
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112 editor.document.$.execCommand( 'SelectAll', false, null );
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113 // Force triggering selectionChange (#7008)
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114 editor.forceNextSelectionCheck();
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115 editor.selectionChange();
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118 // Select the contents of the textarea
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119 var textarea = editor.textarea.$;
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120 if ( CKEDITOR.env.ie )
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121 textarea.createTextRange().execCommand( 'SelectAll' );
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124 textarea.selectionStart = 0;
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125 textarea.selectionEnd = textarea.value.length;
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133 function createFillingChar( doc )
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135 removeFillingChar( doc );
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137 var fillingChar = doc.createText( '\u200B' );
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138 doc.setCustomData( 'cke-fillingChar', fillingChar );
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140 return fillingChar;
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143 function getFillingChar( doc )
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145 return doc && doc.getCustomData( 'cke-fillingChar' );
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148 // Checks if a filling char has been used, eventualy removing it (#1272).
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149 function checkFillingChar( doc )
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151 var fillingChar = doc && getFillingChar( doc );
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154 // Use this flag to avoid removing the filling char right after
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156 if ( fillingChar.getCustomData( 'ready' ) )
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157 removeFillingChar( doc );
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159 fillingChar.setCustomData( 'ready', 1 );
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163 function removeFillingChar( doc )
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165 var fillingChar = doc && doc.removeCustomData( 'cke-fillingChar' );
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169 sel = doc.getSelection().getNative(),
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171 range = sel && sel.type != 'None' && sel.getRangeAt( 0 );
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173 // Text selection position might get mangled by
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174 // subsequent dom modification, save it now for restoring. (#8617)
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175 if ( fillingChar.getLength() > 1
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176 && range && range.intersectsNode( fillingChar.$ ) )
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178 bm = [ sel.anchorOffset, sel.focusOffset ];
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180 // Anticipate the offset change brought by the removed char.
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181 var startAffected = sel.anchorNode == fillingChar.$ && sel.anchorOffset > 0,
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182 endAffected = sel.focusNode == fillingChar.$ && sel.focusOffset > 0;
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183 startAffected && bm[ 0 ]--;
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184 endAffected && bm[ 1 ]--;
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186 // Revert the bookmark order on reverse selection.
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187 isReversedSelection( sel ) && bm.unshift( bm.pop() );
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190 // We can't simply remove the filling node because the user
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191 // will actually enlarge it when typing, so we just remove the
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192 // invisible char from it.
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193 fillingChar.setText( fillingChar.getText().replace( /\u200B/g, '' ) );
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195 // Restore the bookmark.
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198 var rng = sel.getRangeAt( 0 );
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199 rng.setStart( rng.startContainer, bm[ 0 ] );
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200 rng.setEnd( rng.startContainer, bm[ 1 ] );
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201 sel.removeAllRanges();
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202 sel.addRange( rng );
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207 function isReversedSelection( sel )
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209 if ( !sel.isCollapsed )
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211 var range = sel.getRangeAt( 0 );
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212 // Potentially alter an reversed selection range.
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213 range.setStart( sel.anchorNode, sel.anchorOffset );
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214 range.setEnd( sel.focusNode, sel.focusOffset );
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215 return range.collapsed;
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219 CKEDITOR.plugins.add( 'selection',
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221 init : function( editor )
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223 // On WebKit only, we need a special "filling" char on some situations
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224 // (#1272). Here we set the events that should invalidate that char.
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225 if ( CKEDITOR.env.webkit )
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227 editor.on( 'selectionChange', function() { checkFillingChar( editor.document ); } );
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228 editor.on( 'beforeSetMode', function() { removeFillingChar( editor.document ); } );
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230 var fillingCharBefore,
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233 function beforeData()
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235 var doc = editor.document,
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236 fillingChar = getFillingChar( doc );
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240 // If cursor is right blinking by side of the filler node, save it for restoring,
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241 // as the following text substitution will blind it. (#7437)
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242 var sel = doc.$.defaultView.getSelection();
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243 if ( sel.type == 'Caret' && sel.anchorNode == fillingChar.$ )
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244 resetSelection = 1;
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246 fillingCharBefore = fillingChar.getText();
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247 fillingChar.setText( fillingCharBefore.replace( /\u200B/g, '' ) );
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250 function afterData()
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252 var doc = editor.document,
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253 fillingChar = getFillingChar( doc );
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257 fillingChar.setText( fillingCharBefore );
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259 if ( resetSelection )
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261 doc.$.defaultView.getSelection().setPosition( fillingChar.$,fillingChar.getLength() );
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262 resetSelection = 0;
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266 editor.on( 'beforeUndoImage', beforeData );
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267 editor.on( 'afterUndoImage', afterData );
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268 editor.on( 'beforeGetData', beforeData, null, null, 0 );
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269 editor.on( 'getData', afterData );
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272 editor.on( 'contentDom', function()
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274 var doc = editor.document,
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275 outerDoc = CKEDITOR.document,
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276 body = doc.getBody(),
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277 html = doc.getDocumentElement();
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279 if ( CKEDITOR.env.ie )
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281 // Other browsers don't loose the selection if the
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282 // editor document loose the focus. In IE, we don't
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283 // have support for it, so we reproduce it here, other
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284 // than firing the selection change event.
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288 restoreEnabled = 1;
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290 // "onfocusin" is fired before "onfocus". It makes it
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291 // possible to restore the selection before click
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292 // events get executed.
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293 body.on( 'focusin', function( evt )
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295 // If there are elements with layout they fire this event but
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296 // it must be ignored to allow edit its contents #4682
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297 if ( evt.data.$.srcElement.nodeName != 'BODY' )
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300 // Give the priority to locked selection since it probably
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301 // reflects the actual situation, besides locked selection
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302 // could be interfered because of text nodes normalizing.
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304 var lockedSelection = doc.getCustomData( 'cke_locked_selection' );
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305 if ( lockedSelection )
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307 lockedSelection.unlock( 1 );
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308 lockedSelection.lock();
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310 // Then check ff we have saved a range, restore it at this
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312 else if ( savedRange && restoreEnabled )
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314 // Well not break because of this.
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315 try { savedRange.select(); } catch (e) {}
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320 body.on( 'focus', function()
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322 // Enable selections to be saved.
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328 body.on( 'beforedeactivate', function( evt )
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330 // Ignore this event if it's caused by focus switch between
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331 // internal editable control type elements, e.g. layouted paragraph. (#4682)
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332 if ( evt.data.$.toElement )
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335 // Disable selections from being saved.
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337 restoreEnabled = 1;
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340 // [IE] Iframe will still keep the selection when blurred, if
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341 // focus is moved onto a non-editing host, e.g. link or button, but
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342 // it becomes a problem for the object type selection, since the resizer
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343 // handler attached on it will mark other part of the UI, especially
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344 // for the dialog. (#8157)
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345 // [IE<8] Even worse For old IEs, the cursor will not vanish even if
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346 // the selection has been moved to another text input in some cases. (#4716)
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348 // Now the range restore is disabled, so we simply force IE to clean
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349 // up the selection before blur.
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350 CKEDITOR.env.ie && editor.on( 'blur', function()
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352 // Error proof when the editor is not visible. (#6375)
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353 try{ doc.$.selection.empty(); } catch ( er){}
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356 // Listening on document element ensures that
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357 // scrollbar is included. (#5280)
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358 html.on( 'mousedown', function()
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360 // Lock restore selection now, as we have
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361 // a followed 'click' event which introduce
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362 // new selection. (#5735)
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363 restoreEnabled = 0;
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366 html.on( 'mouseup', function()
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368 restoreEnabled = 1;
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372 // IE fires the "selectionchange" event when clicking
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373 // inside a selection. We don't want to capture that.
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374 body.on( 'mousedown', function( evt )
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376 // IE scrolls document to top on right mousedown
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377 // when editor has no focus, remember this scroll
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378 // position and revert it before context menu opens. (#5778)
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379 if ( evt.data.$.button == 2 )
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381 var sel = editor.document.$.selection;
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382 if ( sel.type == 'None' )
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383 scroll = editor.window.getScrollPosition();
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388 body.on( 'mouseup',
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391 // Restore recorded scroll position when needed on right mouseup.
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392 if ( evt.data.$.button == 2 && scroll )
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394 editor.document.$.documentElement.scrollLeft = scroll.x;
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395 editor.document.$.documentElement.scrollTop = scroll.y;
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400 setTimeout( function()
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402 saveSelection( true );
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407 body.on( 'keydown', disableSave );
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415 // When content doc is in standards mode, IE doesn't produce text selection
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416 // when click on the region outside of body, we emulate
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417 // the correct behavior here. (#1659, #7932, # 9097)
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418 if ( doc.$.compatMode != 'BackCompat' )
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420 if ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat )
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422 function moveRangeToPoint( range, x, y )
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424 // Error prune in IE7. (#9034, #9110)
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425 try { range.moveToPoint( x, y ); } catch ( e ) {}
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428 html.on( 'mousedown', function( evt )
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430 // Expand the text range along with mouse move.
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431 function onHover( evt )
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436 // Read the current cursor.
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437 var rngEnd = body.$.createTextRange();
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439 moveRangeToPoint( rngEnd, evt.x, evt.y );
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441 // Handle drag directions.
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442 textRng.setEndPoint(
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443 startRng.compareEndPoints( 'StartToStart', rngEnd ) < 0 ?
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448 // Update selection with new range.
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453 function removeListeners()
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455 outerDoc.removeListener( 'mouseup', onSelectEnd );
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456 html.removeListener( 'mouseup', onSelectEnd );
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459 function onSelectEnd()
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462 html.removeListener( 'mousemove', onHover );
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465 // Make it in effect on mouse up. (#9022)
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471 // We're sure that the click happens at the region
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472 // outside body, but not on scrollbar.
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473 if ( evt.getTarget().is( 'html' ) &&
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474 evt.$.x < html.$.clientWidth &&
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475 evt.$.y < html.$.clientHeight )
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477 // Start to build the text range.
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478 var textRng = body.$.createTextRange();
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479 moveRangeToPoint( textRng, evt.$.x, evt.$.y );
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480 // Records the dragging start of the above text range.
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481 var startRng = textRng.duplicate();
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483 html.on( 'mousemove', onHover );
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484 outerDoc.on( 'mouseup', onSelectEnd );
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485 html.on( 'mouseup', onSelectEnd );
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490 // It's much simpler for IE > 8, we just need to reselect the reported range.
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491 if ( CKEDITOR.env.ie8 )
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493 html.on( 'mousedown', function( evt )
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495 if ( evt.data.getTarget().is( 'html' ) )
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497 // Limit the text selection mouse move inside of editable. (#9715)
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498 outerDoc.on( 'mouseup', onSelectEnd );
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499 html.on( 'mouseup', onSelectEnd );
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504 function removeListeners()
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506 outerDoc.removeListener( 'mouseup', onSelectEnd );
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507 html.removeListener( 'mouseup', onSelectEnd );
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510 function onSelectEnd()
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514 // The event is not fired when clicking on the scrollbars,
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515 // so we can safely check the following to understand
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516 // whether the empty space following <body> has been clicked.
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517 var sel = CKEDITOR.document.$.selection,
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518 range = sel.createRange();
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519 // The selection range is reported on host, but actually it should applies to the content doc.
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520 if ( sel.type != 'None' && range.parentElement().ownerDocument == doc.$ )
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526 // IE is the only to provide the "selectionchange"
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528 doc.on( 'selectionchange', saveSelection );
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530 function disableSave()
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535 function saveSelection( testIt )
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539 var doc = editor.document,
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540 sel = editor.getSelection(),
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541 nativeSel = sel && sel.getNative();
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543 // There is a very specific case, when clicking
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544 // inside a text selection. In that case, the
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545 // selection collapses at the clicking point,
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546 // but the selection object remains in an
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547 // unknown state, making createRange return a
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548 // range at the very start of the document. In
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549 // such situation we have to test the range, to
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550 // be sure it's valid.
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551 if ( testIt && nativeSel && nativeSel.type == 'None' )
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553 // The "InsertImage" command can be used to
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554 // test whether the selection is good or not.
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555 // If not, it's enough to give some time to
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556 // IE to put things in order for us.
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557 if ( !doc.$.queryCommandEnabled( 'InsertImage' ) )
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559 CKEDITOR.tools.setTimeout( saveSelection, 50, this, true );
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564 // Avoid saving selection from within text input. (#5747)
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566 if ( nativeSel && nativeSel.type && nativeSel.type != 'Control'
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567 && ( parentTag = nativeSel.createRange() )
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568 && ( parentTag = parentTag.parentElement() )
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569 && ( parentTag = parentTag.nodeName )
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570 && parentTag.toLowerCase() in { input: 1, textarea : 1 } )
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575 // Not break because of this. (#9132)
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576 try{ savedRange = nativeSel && sel.getRanges()[ 0 ]; } catch( er ) {}
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578 checkSelectionChangeTimeout.call( editor );
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584 // In other browsers, we make the selection change
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585 // check based on other events, like clicks or keys
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588 doc.on( 'mouseup', checkSelectionChangeTimeout, editor );
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589 doc.on( 'keyup', checkSelectionChangeTimeout, editor );
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590 doc.on( 'selectionchange', checkSelectionChangeTimeout, editor );
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593 if ( CKEDITOR.env.webkit )
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595 // Before keystroke is handled by editor, check to remove the filling char.
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596 doc.on( 'keydown', function( evt )
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598 var key = evt.data.getKey();
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599 // Remove the filling char before some keys get
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600 // executed, so they'll not get blocked by it.
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604 case 33 : // PAGEUP
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605 case 34 : // PAGEDOWN
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608 case 37 : // LEFT-ARROW
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609 case 39 : // RIGHT-ARROW
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610 case 8 : // BACKSPACE
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613 removeFillingChar( editor.document );
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616 }, null, null, -1 );
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620 // Clear the cached range path before unload. (#7174)
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621 editor.on( 'contentDomUnload', editor.forceNextSelectionCheck, editor );
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623 editor.addCommand( 'selectAll', selectAllCmd );
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624 editor.ui.addButton( 'SelectAll',
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626 label : editor.lang.selectAll,
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627 command : 'selectAll'
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631 * Check if to fire the {@link CKEDITOR.editor#selectionChange} event
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632 * for the current editor instance.
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634 * @param {Boolean} checkNow Check immediately without any delay.
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636 editor.selectionChange = function( checkNow )
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638 ( checkNow ? checkSelectionChange : checkSelectionChangeTimeout ).call( this );
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641 // IE9 might cease to work if there's an object selection inside the iframe (#7639).
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642 CKEDITOR.env.ie9Compat && editor.on( 'destroy', function()
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644 var sel = editor.getSelection();
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645 sel && sel.getNative().clear();
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646 }, null, null, 9 );
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651 * Gets the current selection from the editing area when in WYSIWYG mode.
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652 * @returns {CKEDITOR.dom.selection} A selection object or null if not in
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653 * WYSIWYG mode or no selection is available.
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655 * var selection = CKEDITOR.instances.editor1.<strong>getSelection()</strong>;
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656 * alert( selection.getType() );
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658 CKEDITOR.editor.prototype.getSelection = function()
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660 return this.document && this.document.getSelection();
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663 CKEDITOR.editor.prototype.forceNextSelectionCheck = function()
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665 delete this._.selectionPreviousPath;
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669 * Gets the current selection from the document.
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670 * @returns {CKEDITOR.dom.selection} A selection object.
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672 * var selection = CKEDITOR.instances.editor1.document.<strong>getSelection()</strong>;
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673 * alert( selection.getType() );
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675 CKEDITOR.dom.document.prototype.getSelection = function()
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677 var sel = new CKEDITOR.dom.selection( this );
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678 return ( !sel || sel.isInvalid ) ? null : sel;
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685 * if ( editor.getSelection().getType() == CKEDITOR.SELECTION_NONE )
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686 * alert( 'Nothing is selected' );
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688 CKEDITOR.SELECTION_NONE = 1;
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691 * A text or a collapsed selection.
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694 * if ( editor.getSelection().getType() == CKEDITOR.SELECTION_TEXT )
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695 * alert( 'A text is selected' );
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697 CKEDITOR.SELECTION_TEXT = 2;
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700 * Element selection.
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703 * if ( editor.getSelection().getType() == CKEDITOR.SELECTION_ELEMENT )
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704 * alert( 'An element is selected' );
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706 CKEDITOR.SELECTION_ELEMENT = 3;
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709 * Manipulates the selection in a DOM document.
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711 * @param {CKEDITOR.dom.document} document The DOM document that contains the selection.
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713 * var sel = new <strong>CKEDITOR.dom.selection( CKEDITOR.document )</strong>;
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715 CKEDITOR.dom.selection = function( document )
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717 var lockedSelection = document.getCustomData( 'cke_locked_selection' );
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719 if ( lockedSelection )
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720 return lockedSelection;
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722 this.document = document;
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730 * IE BUG: The selection's document may be a different document than the
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731 * editor document. Return null if that is the case.
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733 if ( CKEDITOR.env.ie )
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735 // Avoid breaking because of it. (#8836)
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738 var range = this.getNative().createRange();
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740 ( range.item && range.item( 0 ).ownerDocument != this.document.$ ) ||
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741 ( range.parentElement && range.parentElement().ownerDocument != this.document.$ ) )
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748 this.isInvalid = true;
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755 var styleObjectElements =
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757 img:1,hr:1,li:1,table:1,tr:1,td:1,th:1,embed:1,object:1,ol:1,ul:1,
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758 a:1,input:1,form:1,select:1,textarea:1,button:1,fieldset:1,thead:1,tfoot:1
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761 CKEDITOR.dom.selection.prototype =
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764 * Gets the native selection object from the browser.
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766 * @returns {Object} The native browser selection object.
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768 * var selection = editor.getSelection().<strong>getNative()</strong>;
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774 return this._.cache.nativeSel || ( this._.cache.nativeSel = this.document.$.selection );
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779 return this._.cache.nativeSel || ( this._.cache.nativeSel = this.document.getWindow().$.getSelection() );
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783 * Gets the type of the current selection. The following values are
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786 * <li><code>{@link CKEDITOR.SELECTION_NONE}</code> (1): No selection.</li>
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787 * <li><code>{@link CKEDITOR.SELECTION_TEXT}</code> (2): A text or a collapsed
\r
788 * selection is selected.</li>
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789 * <li><code>{@link CKEDITOR.SELECTION_ELEMENT}</code> (3): An element is
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793 * @returns {Number} One of the following constant values:
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794 * <code>{@link CKEDITOR.SELECTION_NONE}</code>, <code>{@link CKEDITOR.SELECTION_TEXT}</code>, or
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795 * <code>{@link CKEDITOR.SELECTION_ELEMENT}</code>.
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797 * if ( editor.getSelection().<strong>getType()</strong> == CKEDITOR.SELECTION_TEXT )
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798 * alert( 'A text is selected' );
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804 var cache = this._.cache;
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808 var type = CKEDITOR.SELECTION_NONE;
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812 var sel = this.getNative(),
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815 if ( ieType == 'Text' )
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816 type = CKEDITOR.SELECTION_TEXT;
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818 if ( ieType == 'Control' )
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819 type = CKEDITOR.SELECTION_ELEMENT;
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821 // It is possible that we can still get a text range
\r
822 // object even when type == 'None' is returned by IE.
\r
823 // So we'd better check the object returned by
\r
824 // createRange() rather than by looking at the type.
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825 if ( sel.createRange().parentElement )
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826 type = CKEDITOR.SELECTION_TEXT;
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830 return ( cache.type = type );
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835 var cache = this._.cache;
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839 var type = CKEDITOR.SELECTION_TEXT;
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841 var sel = this.getNative();
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844 type = CKEDITOR.SELECTION_NONE;
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845 else if ( sel.rangeCount == 1 )
\r
847 // Check if the actual selection is a control (IMG,
\r
848 // TABLE, HR, etc...).
\r
850 var range = sel.getRangeAt(0),
\r
851 startContainer = range.startContainer;
\r
853 if ( startContainer == range.endContainer
\r
854 && startContainer.nodeType == 1
\r
855 && ( range.endOffset - range.startOffset ) == 1
\r
856 && styleObjectElements[ startContainer.childNodes[ range.startOffset ].nodeName.toLowerCase() ] )
\r
858 type = CKEDITOR.SELECTION_ELEMENT;
\r
862 return ( cache.type = type );
\r
866 * Retrieves the <code>{@link CKEDITOR.dom.range}</code> instances that represent the current selection.
\r
867 * Note: Some browsers return multiple ranges even for a continuous selection. Firefox, for example, returns
\r
868 * one range for each table cell when one or more table rows are selected.
\r
870 * @param {Boolean} [onlyEditables] If set to <code>true</code>, this function retrives editable ranges only.
\r
871 * @return {Array} Range instances that represent the current selection.
\r
873 * var ranges = selection.<strong>getRanges()</strong>;
\r
874 * alert( ranges.length );
\r
876 getRanges : (function()
\r
878 var func = CKEDITOR.env.ie ?
\r
881 function getNodeIndex( node ) { return new CKEDITOR.dom.node( node ).getIndex(); }
\r
883 // Finds the container and offset for a specific boundary
\r
885 var getBoundaryInformation = function( range, start )
\r
887 // Creates a collapsed range at the requested boundary.
\r
888 range = range.duplicate();
\r
889 range.collapse( start );
\r
891 // Gets the element that encloses the range entirely.
\r
892 var parent = range.parentElement(),
\r
893 doc = parent.ownerDocument;
\r
895 // Empty parent element, e.g. <i>^</i>
\r
896 if ( !parent.hasChildNodes() )
\r
897 return { container : parent, offset : 0 };
\r
899 var siblings = parent.children,
\r
902 testRange = range.duplicate(),
\r
904 endIndex = siblings.length - 1,
\r
910 // Binary search over all element childs to test the range to see whether
\r
911 // range is right on the boundary of one element.
\r
912 while ( startIndex <= endIndex )
\r
914 index = Math.floor( ( startIndex + endIndex ) / 2 );
\r
915 child = siblings[ index ];
\r
916 testRange.moveToElementText( child );
\r
917 position = testRange.compareEndPoints( 'StartToStart', range );
\r
919 if ( position > 0 )
\r
920 endIndex = index - 1;
\r
921 else if ( position < 0 )
\r
922 startIndex = index + 1;
\r
925 // IE9 report wrong measurement with compareEndPoints when range anchors between two BRs.
\r
926 // e.g. <p>text<br />^<br /></p> (#7433)
\r
927 if ( CKEDITOR.env.ie9Compat && child.tagName == 'BR' )
\r
929 // "Fall back" to w3c selection.
\r
930 var sel = doc.defaultView.getSelection();
\r
931 return { container : sel[ start ? 'anchorNode' : 'focusNode' ],
\r
932 offset : sel[ start ? 'anchorOffset' : 'focusOffset' ] };
\r
935 return { container : parent, offset : getNodeIndex( child ) };
\r
939 // All childs are text nodes,
\r
940 // or to the right hand of test range are all text nodes. (#6992)
\r
941 if ( index == -1 || index == siblings.length - 1 && position < 0 )
\r
943 // Adapt test range to embrace the entire parent contents.
\r
944 testRange.moveToElementText( parent );
\r
945 testRange.setEndPoint( 'StartToStart', range );
\r
947 // IE report line break as CRLF with range.text but
\r
948 // only LF with textnode.nodeValue, normalize them to avoid
\r
949 // breaking character counting logic below. (#3949)
\r
950 distance = testRange.text.replace( /(\r\n|\r)/g, '\n' ).length;
\r
952 siblings = parent.childNodes;
\r
954 // Actual range anchor right beside test range at the boundary of text node.
\r
957 child = siblings[ siblings.length - 1 ];
\r
959 if ( child.nodeType != CKEDITOR.NODE_TEXT )
\r
960 return { container : parent, offset : siblings.length };
\r
962 return { container : child, offset : child.nodeValue.length };
\r
965 // Start the measuring until distance overflows, meanwhile count the text nodes.
\r
966 var i = siblings.length;
\r
967 while ( distance > 0 && i > 0 )
\r
969 sibling = siblings[ --i ];
\r
970 if ( sibling.nodeType == CKEDITOR.NODE_TEXT )
\r
972 container = sibling;
\r
973 distance -= sibling.nodeValue.length;
\r
977 return { container : container, offset : -distance };
\r
979 // Test range was one offset beyond OR behind the anchored text node.
\r
982 // Adapt one side of test range to the actual range
\r
983 // for measuring the offset between them.
\r
984 testRange.collapse( position > 0 ? true : false );
\r
985 testRange.setEndPoint( position > 0 ? 'StartToStart' : 'EndToStart', range );
\r
987 // IE report line break as CRLF with range.text but
\r
988 // only LF with textnode.nodeValue, normalize them to avoid
\r
989 // breaking character counting logic below. (#3949)
\r
990 distance = testRange.text.replace( /(\r\n|\r)/g, '\n' ).length;
\r
992 // Actual range anchor right beside test range at the inner boundary of text node.
\r
994 return { container : parent, offset : getNodeIndex( child ) + ( position > 0 ? 0 : 1 ) };
\r
996 // Start the measuring until distance overflows, meanwhile count the text nodes.
\r
997 while ( distance > 0 )
\r
1001 sibling = child[ position > 0 ? 'previousSibling' : 'nextSibling' ];
\r
1002 if ( sibling.nodeType == CKEDITOR.NODE_TEXT )
\r
1004 distance -= sibling.nodeValue.length;
\r
1005 container = sibling;
\r
1009 // Measurement in IE could be somtimes wrong because of <select> element. (#4611)
\r
1012 return { container : parent, offset : getNodeIndex( child ) };
\r
1016 return { container : container, offset : position > 0 ? -distance : container.nodeValue.length + distance };
\r
1022 // IE doesn't have range support (in the W3C way), so we
\r
1023 // need to do some magic to transform selections into
\r
1024 // CKEDITOR.dom.range instances.
\r
1026 var sel = this.getNative(),
\r
1027 nativeRange = sel && sel.createRange(),
\r
1028 type = this.getType(),
\r
1034 if ( type == CKEDITOR.SELECTION_TEXT )
\r
1036 range = new CKEDITOR.dom.range( this.document );
\r
1038 var boundaryInfo = getBoundaryInformation( nativeRange, true );
\r
1039 range.setStart( new CKEDITOR.dom.node( boundaryInfo.container ), boundaryInfo.offset );
\r
1041 boundaryInfo = getBoundaryInformation( nativeRange );
\r
1042 range.setEnd( new CKEDITOR.dom.node( boundaryInfo.container ), boundaryInfo.offset );
\r
1044 // Correct an invalid IE range case on empty list item. (#5850)
\r
1045 if ( range.endContainer.getPosition( range.startContainer ) & CKEDITOR.POSITION_PRECEDING
\r
1046 && range.endOffset <= range.startContainer.getIndex() )
\r
1053 else if ( type == CKEDITOR.SELECTION_ELEMENT )
\r
1057 for ( var i = 0 ; i < nativeRange.length ; i++ )
\r
1059 var element = nativeRange.item( i ),
\r
1060 parentElement = element.parentNode,
\r
1063 range = new CKEDITOR.dom.range( this.document );
\r
1065 for (; j < parentElement.childNodes.length && parentElement.childNodes[j] != element ; j++ )
\r
1068 range.setStart( new CKEDITOR.dom.node( parentElement ), j );
\r
1069 range.setEnd( new CKEDITOR.dom.node( parentElement ), j + 1 );
\r
1070 retval.push( range );
\r
1083 // On browsers implementing the W3C range, we simply
\r
1084 // tranform the native ranges in CKEDITOR.dom.range
\r
1089 doc = this.document,
\r
1090 sel = this.getNative();
\r
1095 // On WebKit, it may happen that we'll have no selection
\r
1096 // available. We normalize it here by replicating the
\r
1097 // behavior of other browsers.
\r
1098 if ( !sel.rangeCount )
\r
1100 range = new CKEDITOR.dom.range( doc );
\r
1101 range.moveToElementEditStart( doc.getBody() );
\r
1102 ranges.push( range );
\r
1105 for ( var i = 0 ; i < sel.rangeCount ; i++ )
\r
1107 var nativeRange = sel.getRangeAt( i );
\r
1109 range = new CKEDITOR.dom.range( doc );
\r
1111 range.setStart( new CKEDITOR.dom.node( nativeRange.startContainer ), nativeRange.startOffset );
\r
1112 range.setEnd( new CKEDITOR.dom.node( nativeRange.endContainer ), nativeRange.endOffset );
\r
1113 ranges.push( range );
\r
1118 return function( onlyEditables )
\r
1120 var cache = this._.cache;
\r
1121 if ( cache.ranges && !onlyEditables )
\r
1122 return cache.ranges;
\r
1123 else if ( !cache.ranges )
\r
1124 cache.ranges = new CKEDITOR.dom.rangeList( func.call( this ) );
\r
1126 // Split range into multiple by read-only nodes.
\r
1127 if ( onlyEditables )
\r
1129 var ranges = cache.ranges;
\r
1130 for ( var i = 0; i < ranges.length; i++ )
\r
1132 var range = ranges[ i ];
\r
1134 // Drop range spans inside one ready-only node.
\r
1135 var parent = range.getCommonAncestor();
\r
1136 if ( parent.isReadOnly() )
\r
1137 ranges.splice( i, 1 );
\r
1139 if ( range.collapsed )
\r
1142 // Range may start inside a non-editable element,
\r
1143 // replace the range start after it.
\r
1144 if ( range.startContainer.isReadOnly() )
\r
1146 var current = range.startContainer;
\r
1149 if ( current.is( 'body' ) || !current.isReadOnly() )
\r
1152 if ( current.type == CKEDITOR.NODE_ELEMENT
\r
1153 && current.getAttribute( 'contentEditable' ) == 'false' )
\r
1154 range.setStartAfter( current );
\r
1156 current = current.getParent();
\r
1160 var startContainer = range.startContainer,
\r
1161 endContainer = range.endContainer,
\r
1162 startOffset = range.startOffset,
\r
1163 endOffset = range.endOffset,
\r
1164 walkerRange = range.clone();
\r
1166 // Enlarge range start/end with text node to avoid walker
\r
1167 // being DOM destructive, it doesn't interfere our checking
\r
1168 // of elements below as well.
\r
1169 if ( startContainer && startContainer.type == CKEDITOR.NODE_TEXT )
\r
1171 if ( startOffset >= startContainer.getLength() )
\r
1172 walkerRange.setStartAfter( startContainer );
\r
1174 walkerRange.setStartBefore( startContainer );
\r
1177 if ( endContainer && endContainer.type == CKEDITOR.NODE_TEXT )
\r
1180 walkerRange.setEndBefore( endContainer );
\r
1182 walkerRange.setEndAfter( endContainer );
\r
1185 // Looking for non-editable element inside the range.
\r
1186 var walker = new CKEDITOR.dom.walker( walkerRange );
\r
1187 walker.evaluator = function( node )
\r
1189 if ( node.type == CKEDITOR.NODE_ELEMENT
\r
1190 && node.isReadOnly() )
\r
1192 var newRange = range.clone();
\r
1193 range.setEndBefore( node );
\r
1195 // Drop collapsed range around read-only elements,
\r
1196 // it make sure the range list empty when selecting
\r
1197 // only non-editable elements.
\r
1198 if ( range.collapsed )
\r
1199 ranges.splice( i--, 1 );
\r
1201 // Avoid creating invalid range.
\r
1202 if ( !( node.getPosition( walkerRange.endContainer ) & CKEDITOR.POSITION_CONTAINS ) )
\r
1204 newRange.setStartAfter( node );
\r
1205 if ( !newRange.collapsed )
\r
1206 ranges.splice( i + 1, 0, newRange );
\r
1219 return cache.ranges;
\r
1224 * Gets the DOM element in which the selection starts.
\r
1225 * @returns {CKEDITOR.dom.element} The element at the beginning of the
\r
1228 * var element = editor.getSelection().<strong>getStartElement()</strong>;
\r
1229 * alert( element.getName() );
\r
1231 getStartElement : function()
\r
1233 var cache = this._.cache;
\r
1234 if ( cache.startElement !== undefined )
\r
1235 return cache.startElement;
\r
1238 sel = this.getNative();
\r
1240 switch ( this.getType() )
\r
1242 case CKEDITOR.SELECTION_ELEMENT :
\r
1243 return this.getSelectedElement();
\r
1245 case CKEDITOR.SELECTION_TEXT :
\r
1247 var range = this.getRanges()[0];
\r
1251 if ( !range.collapsed )
\r
1255 // Decrease the range content to exclude particial
\r
1256 // selected node on the start which doesn't have
\r
1257 // visual impact. ( #3231 )
\r
1260 var startContainer = range.startContainer,
\r
1261 startOffset = range.startOffset;
\r
1262 // Limit the fix only to non-block elements.(#3950)
\r
1263 if ( startOffset == ( startContainer.getChildCount ?
\r
1264 startContainer.getChildCount() : startContainer.getLength() )
\r
1265 && !startContainer.isBlockBoundary() )
\r
1266 range.setStartAfter( startContainer );
\r
1270 node = range.startContainer;
\r
1272 if ( node.type != CKEDITOR.NODE_ELEMENT )
\r
1273 return node.getParent();
\r
1275 node = node.getChild( range.startOffset );
\r
1277 if ( !node || node.type != CKEDITOR.NODE_ELEMENT )
\r
1278 node = range.startContainer;
\r
1281 var child = node.getFirst();
\r
1282 while ( child && child.type == CKEDITOR.NODE_ELEMENT )
\r
1285 child = child.getFirst();
\r
1291 node = range.startContainer;
\r
1292 if ( node.type != CKEDITOR.NODE_ELEMENT )
\r
1293 node = node.getParent();
\r
1300 return cache.startElement = ( node ? new CKEDITOR.dom.element( node ) : null );
\r
1304 * Gets the currently selected element.
\r
1305 * @returns {CKEDITOR.dom.element} The selected element. Null if no
\r
1306 * selection is available or the selection type is not
\r
1307 * <code>{@link CKEDITOR.SELECTION_ELEMENT}</code>.
\r
1309 * var element = editor.getSelection().<strong>getSelectedElement()</strong>;
\r
1310 * alert( element.getName() );
\r
1312 getSelectedElement : function()
\r
1314 var cache = this._.cache;
\r
1315 if ( cache.selectedElement !== undefined )
\r
1316 return cache.selectedElement;
\r
1320 var node = CKEDITOR.tools.tryThese(
\r
1321 // Is it native IE control type selection?
\r
1324 return self.getNative().createRange().item( 0 );
\r
1326 // If a table or list is fully selected.
\r
1331 range = self.getRanges()[ 0 ],
\r
1332 ancestor = range.getCommonAncestor( 1, 1 ),
\r
1333 tags = { table:1,ul:1,ol:1,dl:1 };
\r
1335 for ( var t in tags )
\r
1337 if ( ( root = ancestor.getAscendant( t, 1 ) ) )
\r
1343 // Enlarging the start boundary.
\r
1344 var testRange = new CKEDITOR.dom.range( this.document );
\r
1345 testRange.setStartAt( root, CKEDITOR.POSITION_AFTER_START );
\r
1346 testRange.setEnd( range.startContainer, range.startOffset );
\r
1348 var enlargeables = CKEDITOR.tools.extend( tags, CKEDITOR.dtd.$listItem, CKEDITOR.dtd.$tableContent ),
\r
1349 walker = new CKEDITOR.dom.walker( testRange ),
\r
1350 // Check the range is at the inner boundary of the structural element.
\r
1351 guard = function( walker, isEnd )
\r
1353 return function( node, isWalkOut )
\r
1355 if ( node.type == CKEDITOR.NODE_TEXT && ( !CKEDITOR.tools.trim( node.getText() ) || node.getParent().data( 'cke-bookmark' ) ) )
\r
1359 if ( node.type == CKEDITOR.NODE_ELEMENT )
\r
1361 tag = node.getName();
\r
1363 // Bypass bogus br at the end of block.
\r
1364 if ( tag == 'br' && isEnd && node.equals( node.getParent().getBogus() ) )
\r
1367 if ( isWalkOut && tag in enlargeables || tag in CKEDITOR.dtd.$removeEmpty )
\r
1371 walker.halted = 1;
\r
1376 walker.guard = guard( walker );
\r
1378 if ( walker.checkBackward() && !walker.halted )
\r
1380 walker = new CKEDITOR.dom.walker( testRange );
\r
1381 testRange.setStart( range.endContainer, range.endOffset );
\r
1382 testRange.setEndAt( root, CKEDITOR.POSITION_BEFORE_END );
\r
1383 walker.guard = guard( walker, 1 );
\r
1384 if ( walker.checkForward() && !walker.halted )
\r
1394 // Figure it out by checking if there's a single enclosed
\r
1395 // node of the range.
\r
1398 var range = self.getRanges()[ 0 ],
\r
1402 // Check first any enclosed element, e.g. <ul>[<li><a href="#">item</a></li>]</ul>
\r
1403 for ( var i = 2; i && !( ( enclosed = range.getEnclosedNode() )
\r
1404 && ( enclosed.type == CKEDITOR.NODE_ELEMENT )
\r
1405 && styleObjectElements[ enclosed.getName() ]
\r
1406 && ( selected = enclosed ) ); i-- )
\r
1408 // Then check any deep wrapped element, e.g. [<b><i><img /></i></b>]
\r
1409 range.shrink( CKEDITOR.SHRINK_ELEMENT );
\r
1412 return selected.$;
\r
1415 return cache.selectedElement = ( node ? new CKEDITOR.dom.element( node ) : null );
\r
1419 * Retrieves the text contained within the range. An empty string is returned for non-text selection.
\r
1420 * @returns {String} A string of text within the current selection.
\r
1423 * var text = editor.getSelection().<strong>getSelectedText()</strong>;
\r
1426 getSelectedText : function()
\r
1428 var cache = this._.cache;
\r
1429 if ( cache.selectedText !== undefined )
\r
1430 return cache.selectedText;
\r
1433 nativeSel = this.getNative();
\r
1434 if ( this.getType() == CKEDITOR.SELECTION_TEXT )
\r
1435 text = CKEDITOR.env.ie ? nativeSel.createRange().text : nativeSel.toString();
\r
1437 return ( cache.selectedText = text );
\r
1441 * Locks the selection made in the editor in order to make it possible to
\r
1442 * manipulate it without browser interference. A locked selection is
\r
1443 * cached and remains unchanged until it is released with the <code>#unlock</code>
\r
1446 * editor.getSelection().<strong>lock()</strong>;
\r
1450 // Call all cacheable function.
\r
1452 this.getStartElement();
\r
1453 this.getSelectedElement();
\r
1454 this.getSelectedText();
\r
1456 // The native selection is not available when locked.
\r
1457 this._.cache.nativeSel = {};
\r
1459 this.isLocked = 1;
\r
1461 // Save this selection inside the DOM document.
\r
1462 this.document.setCustomData( 'cke_locked_selection', this );
\r
1466 * Unlocks the selection made in the editor and locked with the <code>#lock</code> method.
\r
1467 * An unlocked selection is no longer cached and can be changed.
\r
1468 * @param {Boolean} [restore] If set to <code>true</code>, the selection is restored back to the selection saved earlier by using the <code>#lock</code> method.
\r
1470 * editor.getSelection().<strong>unlock()</strong>;
\r
1472 unlock : function( restore )
\r
1474 var doc = this.document,
\r
1475 lockedSelection = doc.getCustomData( 'cke_locked_selection' );
\r
1477 if ( lockedSelection )
\r
1479 doc.setCustomData( 'cke_locked_selection', null );
\r
1483 var selectedElement = lockedSelection.getSelectedElement(),
\r
1484 ranges = !selectedElement && lockedSelection.getRanges();
\r
1486 this.isLocked = 0;
\r
1489 if ( selectedElement )
\r
1490 this.selectElement( selectedElement );
\r
1492 this.selectRanges( ranges );
\r
1496 if ( !lockedSelection || !restore )
\r
1498 this.isLocked = 0;
\r
1504 * Clears the selection cache.
\r
1506 * editor.getSelection().<strong>reset()</strong>;
\r
1508 reset : function()
\r
1510 this._.cache = {};
\r
1514 * Makes the current selection of type <code>{@link CKEDITOR.SELECTION_ELEMENT}</code> by enclosing the specified element.
\r
1515 * @param {CKEDITOR.dom.element} element The element to enclose in the selection.
\r
1517 * var element = editor.document.getById( 'sampleElement' );
\r
1518 * editor.getSelection.<strong>selectElement( element )</strong>;
\r
1520 selectElement : function( element )
\r
1522 if ( this.isLocked )
\r
1524 var range = new CKEDITOR.dom.range( this.document );
\r
1525 range.setStartBefore( element );
\r
1526 range.setEndAfter( element );
\r
1528 this._.cache.selectedElement = element;
\r
1529 this._.cache.startElement = element;
\r
1530 this._.cache.ranges = new CKEDITOR.dom.rangeList( range );
\r
1531 this._.cache.type = CKEDITOR.SELECTION_ELEMENT;
\r
1536 range = new CKEDITOR.dom.range( element.getDocument() );
\r
1537 range.setStartBefore( element );
\r
1538 range.setEndAfter( element );
\r
1541 this.document.fire( 'selectionchange' );
\r
1547 * Clears the original selection and adds the specified ranges
\r
1548 * to the document selection.
\r
1549 * @param {Array} ranges An array of <code>{@link CKEDITOR.dom.range}</code> instances representing ranges to be added to the document.
\r
1551 * var ranges = new CKEDITOR.dom.range( editor.document );
\r
1552 * editor.getSelection().<strong>selectRanges( [ ranges ] )</strong>;
\r
1554 selectRanges : function( ranges )
\r
1556 if ( this.isLocked )
\r
1558 this._.cache.selectedElement = null;
\r
1559 this._.cache.startElement = ranges[ 0 ] && ranges[ 0 ].getTouchedStartNode();
\r
1560 this._.cache.ranges = new CKEDITOR.dom.rangeList( ranges );
\r
1561 this._.cache.type = CKEDITOR.SELECTION_TEXT;
\r
1566 if ( CKEDITOR.env.ie )
\r
1568 if ( ranges.length > 1 )
\r
1570 // IE doesn't accept multiple ranges selection, so we join all into one.
\r
1571 var last = ranges[ ranges.length -1 ] ;
\r
1572 ranges[ 0 ].setEnd( last.endContainer, last.endOffset );
\r
1573 ranges.length = 1;
\r
1576 if ( ranges[ 0 ] )
\r
1577 ranges[ 0 ].select();
\r
1583 var sel = this.getNative();
\r
1585 // getNative() returns null if iframe is "display:none" in FF. (#6577)
\r
1589 if ( ranges.length )
\r
1591 sel.removeAllRanges();
\r
1592 // Remove any existing filling char first.
\r
1593 CKEDITOR.env.webkit && removeFillingChar( this.document );
\r
1596 for ( var i = 0 ; i < ranges.length ; i++ )
\r
1598 // Joining sequential ranges introduced by
\r
1599 // readonly elements protection.
\r
1600 if ( i < ranges.length -1 )
\r
1602 var left = ranges[ i ], right = ranges[ i +1 ],
\r
1603 between = left.clone();
\r
1604 between.setStart( left.endContainer, left.endOffset );
\r
1605 between.setEnd( right.startContainer, right.startOffset );
\r
1607 // Don't confused by Firefox adjancent multi-ranges
\r
1608 // introduced by table cells selection.
\r
1609 if ( !between.collapsed )
\r
1611 between.shrink( CKEDITOR.NODE_ELEMENT, true );
\r
1612 var ancestor = between.getCommonAncestor(),
\r
1613 enclosed = between.getEnclosedNode();
\r
1615 // The following cases has to be considered:
\r
1616 // 1. <span contenteditable="false">[placeholder]</span>
\r
1617 // 2. <input contenteditable="false" type="radio"/> (#6621)
\r
1618 if ( ancestor.isReadOnly() || enclosed && enclosed.isReadOnly() )
\r
1620 right.setStart( left.startContainer, left.startOffset );
\r
1621 ranges.splice( i--, 1 );
\r
1627 var range = ranges[ i ];
\r
1628 var nativeRange = this.document.$.createRange();
\r
1629 var startContainer = range.startContainer;
\r
1631 // In FF2, if we have a collapsed range, inside an empty
\r
1632 // element, we must add something to it otherwise the caret
\r
1633 // will not be visible.
\r
1634 // In Opera instead, the selection will be moved out of the
\r
1635 // element. (#4657)
\r
1636 if ( range.collapsed &&
\r
1637 ( CKEDITOR.env.opera || ( CKEDITOR.env.gecko && CKEDITOR.env.version < 10900 ) ) &&
\r
1638 startContainer.type == CKEDITOR.NODE_ELEMENT &&
\r
1639 !startContainer.getChildCount() )
\r
1641 startContainer.appendText( '' );
\r
1644 if ( range.collapsed
\r
1645 && CKEDITOR.env.webkit
\r
1646 && rangeRequiresFix( range ) )
\r
1648 // Append a zero-width space so WebKit will not try to
\r
1649 // move the selection by itself (#1272).
\r
1650 var fillingChar = createFillingChar( this.document );
\r
1651 range.insertNode( fillingChar ) ;
\r
1653 var next = fillingChar.getNext();
\r
1655 // If the filling char is followed by a <br>, whithout
\r
1656 // having something before it, it'll not blink.
\r
1657 // Let's remove it in this case.
\r
1658 if ( next && !fillingChar.getPrevious() && next.type == CKEDITOR.NODE_ELEMENT && next.getName() == 'br' )
\r
1660 removeFillingChar( this.document );
\r
1661 range.moveToPosition( next, CKEDITOR.POSITION_BEFORE_START );
\r
1664 range.moveToPosition( fillingChar, CKEDITOR.POSITION_AFTER_END );
\r
1667 nativeRange.setStart( range.startContainer.$, range.startOffset );
\r
1671 nativeRange.setEnd( range.endContainer.$, range.endOffset );
\r
1675 // There is a bug in Firefox implementation (it would be too easy
\r
1676 // otherwise). The new start can't be after the end (W3C says it can).
\r
1677 // So, let's create a new range and collapse it to the desired point.
\r
1678 if ( e.toString().indexOf( 'NS_ERROR_ILLEGAL_VALUE' ) >= 0 )
\r
1680 range.collapse( 1 );
\r
1681 nativeRange.setEnd( range.endContainer.$, range.endOffset );
\r
1687 // Select the range.
\r
1688 sel.addRange( nativeRange );
\r
1691 // Don't miss selection change event for non-IEs.
\r
1692 this.document.fire( 'selectionchange' );
\r
1698 * Creates a bookmark for each range of this selection (from <code>#getRanges</code>)
\r
1699 * by calling the <code>{@link CKEDITOR.dom.range.prototype.createBookmark}</code> method,
\r
1700 * with extra care taken to avoid interference among those ranges. The arguments
\r
1701 * received are the same as with the underlying range method.
\r
1702 * @returns {Array} Array of bookmarks for each range.
\r
1704 * var bookmarks = editor.getSelection().<strong>createBookmarks()</strong>;
\r
1706 createBookmarks : function( serializable )
\r
1708 return this.getRanges().createBookmarks( serializable );
\r
1712 * Creates a bookmark for each range of this selection (from <code>#getRanges</code>)
\r
1713 * by calling the <code>{@link CKEDITOR.dom.range.prototype.createBookmark2}</code> method,
\r
1714 * with extra care taken to avoid interference among those ranges. The arguments
\r
1715 * received are the same as with the underlying range method.
\r
1716 * @returns {Array} Array of bookmarks for each range.
\r
1718 * var bookmarks = editor.getSelection().<strong>createBookmarks2()</strong>;
\r
1720 createBookmarks2 : function( normalized )
\r
1722 return this.getRanges().createBookmarks2( normalized );
\r
1726 * Selects the virtual ranges denoted by the bookmarks by calling <code>#selectRanges</code>.
\r
1727 * @param {Array} bookmarks The bookmarks representing ranges to be selected.
\r
1728 * @returns {CKEDITOR.dom.selection} This selection object, after the ranges were selected.
\r
1730 * var bookmarks = editor.getSelection().createBookmarks();
\r
1731 * editor.getSelection().<strong>selectBookmarks( bookmarks )</strong>;
\r
1733 selectBookmarks : function( bookmarks )
\r
1736 for ( var i = 0 ; i < bookmarks.length ; i++ )
\r
1738 var range = new CKEDITOR.dom.range( this.document );
\r
1739 range.moveToBookmark( bookmarks[i] );
\r
1740 ranges.push( range );
\r
1742 this.selectRanges( ranges );
\r
1747 * Retrieves the common ancestor node of the first range and the last range.
\r
1748 * @returns {CKEDITOR.dom.element} The common ancestor of the selection.
\r
1750 * var ancestor = editor.getSelection().<strong>getCommonAncestor()</strong>;
\r
1752 getCommonAncestor : function()
\r
1754 var ranges = this.getRanges(),
\r
1755 startNode = ranges[ 0 ].startContainer,
\r
1756 endNode = ranges[ ranges.length - 1 ].endContainer;
\r
1757 return startNode.getCommonAncestor( endNode );
\r
1761 * Moves the scrollbar to the starting position of the current selection.
\r
1763 * editor.getSelection().<strong>scrollIntoView()</strong>;
\r
1765 scrollIntoView : function()
\r
1767 // If we have split the block, adds a temporary span at the
\r
1768 // range position and scroll relatively to it.
\r
1769 var start = this.getStartElement();
\r
1770 start.scrollIntoView();
\r
1774 var notWhitespaces = CKEDITOR.dom.walker.whitespaces( true ),
\r
1775 isVisible = CKEDITOR.dom.walker.invisible( 1 ),
\r
1776 fillerTextRegex = /\ufeff|\u00a0/,
\r
1777 nonCells = { table:1,tbody:1,tr:1 };
\r
1779 CKEDITOR.dom.range.prototype.select =
\r
1782 function( forceExpand )
\r
1784 var collapsed = this.collapsed,
\r
1785 isStartMarkerAlone, dummySpan, ieRange;
\r
1787 // Try to make a object selection.
\r
1788 var selected = this.getEnclosedNode();
\r
1793 ieRange = this.document.$.body.createControlRange();
\r
1794 ieRange.addElement( selected.$ );
\r
1801 // IE doesn't support selecting the entire table row/cell, move the selection into cells, e.g.
\r
1802 // <table><tbody><tr>[<td>cell</b></td>... => <table><tbody><tr><td>[cell</td>...
\r
1803 if ( this.startContainer.type == CKEDITOR.NODE_ELEMENT && this.startContainer.getName() in nonCells
\r
1804 || this.endContainer.type == CKEDITOR.NODE_ELEMENT && this.endContainer.getName() in nonCells )
\r
1806 this.shrink( CKEDITOR.NODE_ELEMENT, true );
\r
1809 var bookmark = this.createBookmark();
\r
1811 // Create marker tags for the start and end boundaries.
\r
1812 var startNode = bookmark.startNode;
\r
1816 endNode = bookmark.endNode;
\r
1818 // Create the main range which will be used for the selection.
\r
1819 ieRange = this.document.$.body.createTextRange();
\r
1821 // Position the range at the start boundary.
\r
1822 ieRange.moveToElementText( startNode.$ );
\r
1823 ieRange.moveStart( 'character', 1 );
\r
1827 // Create a tool range for the end.
\r
1828 var ieRangeEnd = this.document.$.body.createTextRange();
\r
1830 // Position the tool range at the end.
\r
1831 ieRangeEnd.moveToElementText( endNode.$ );
\r
1833 // Move the end boundary of the main range to match the tool range.
\r
1834 ieRange.setEndPoint( 'EndToEnd', ieRangeEnd );
\r
1835 ieRange.moveEnd( 'character', -1 );
\r
1839 // The isStartMarkerAlone logic comes from V2. It guarantees that the lines
\r
1840 // will expand and that the cursor will be blinking on the right place.
\r
1841 // Actually, we are using this flag just to avoid using this hack in all
\r
1842 // situations, but just on those needed.
\r
1843 var next = startNode.getNext( notWhitespaces );
\r
1844 isStartMarkerAlone = ( !( next && next.getText && next.getText().match( fillerTextRegex ) ) // already a filler there?
\r
1845 && ( forceExpand || !startNode.hasPrevious() || ( startNode.getPrevious().is && startNode.getPrevious().is( 'br' ) ) ) );
\r
1847 // Append a temporary <span></span> before the selection.
\r
1848 // This is needed to avoid IE destroying selections inside empty
\r
1849 // inline elements, like <b></b> (#253).
\r
1850 // It is also needed when placing the selection right after an inline
\r
1851 // element to avoid the selection moving inside of it.
\r
1852 dummySpan = this.document.createElement( 'span' );
\r
1853 dummySpan.setHtml( '' ); // Zero Width No-Break Space (U+FEFF). See #1359.
\r
1854 dummySpan.insertBefore( startNode );
\r
1856 if ( isStartMarkerAlone )
\r
1858 // To expand empty blocks or line spaces after <br>, we need
\r
1859 // instead to have any char, which will be later deleted using the
\r
1861 // \ufeff = Zero Width No-Break Space (U+FEFF). (#1359)
\r
1862 this.document.createText( '\ufeff' ).insertBefore( startNode );
\r
1866 // Remove the markers (reset the position, because of the changes in the DOM tree).
\r
1867 this.setStartBefore( startNode );
\r
1868 startNode.remove();
\r
1872 if ( isStartMarkerAlone )
\r
1874 // Move the selection start to include the temporary \ufeff.
\r
1875 ieRange.moveStart( 'character', -1 );
\r
1879 // Remove our temporary stuff.
\r
1880 this.document.$.selection.clear();
\r
1885 this.moveToPosition( dummySpan, CKEDITOR.POSITION_BEFORE_START );
\r
1886 dummySpan.remove();
\r
1890 this.setEndBefore( endNode );
\r
1895 this.document.fire( 'selectionchange' );
\r
1900 this.document.getSelection().selectRanges( [ this ] );
\r
Got questions, comments, patches, etc.? Contact Jason Woofenden