2205 lines
72 KiB
JavaScript
2205 lines
72 KiB
JavaScript
/**
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* @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
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* For licensing, see LICENSE.md or http://ckeditor.com/license
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*/
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( function() {
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var isMSSelection = typeof window.getSelection != 'function',
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nextRev = 1,
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// #13816
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fillingCharSequence = CKEDITOR.tools.repeat( '\u200b', 7 ),
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fillingCharSequenceRegExp = new RegExp( fillingCharSequence + '( )?', 'g' );
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// #### checkSelectionChange : START
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// The selection change check basically saves the element parent tree of
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// the current node and check it on successive requests. If there is any
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// change on the tree, then the selectionChange event gets fired.
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function checkSelectionChange() {
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// A possibly available fake-selection.
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var sel = this._.fakeSelection,
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realSel;
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if ( sel ) {
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realSel = this.getSelection( 1 );
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// If real (not locked/stored) selection was moved from hidden container,
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// then the fake-selection must be invalidated.
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if ( !realSel || !realSel.isHidden() ) {
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// Remove the cache from fake-selection references in use elsewhere.
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sel.reset();
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// Have the code using the native selection.
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sel = 0;
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}
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}
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// If not fake-selection is available then get the native selection.
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if ( !sel ) {
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sel = realSel || this.getSelection( 1 );
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// Editor may have no selection at all.
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if ( !sel || sel.getType() == CKEDITOR.SELECTION_NONE )
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return;
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}
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this.fire( 'selectionCheck', sel );
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var currentPath = this.elementPath();
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if ( !currentPath.compare( this._.selectionPreviousPath ) ) {
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// Handle case when dialog inserts new element but parent block and path (so also focus context) does not change. (#13362)
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var sameBlockParent = this._.selectionPreviousPath && this._.selectionPreviousPath.blockLimit.equals( currentPath.blockLimit );
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// Cache the active element, which we'll eventually lose on Webkit.
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if ( CKEDITOR.env.webkit && !sameBlockParent )
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this._.previousActive = this.document.getActive();
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this._.selectionPreviousPath = currentPath;
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this.fire( 'selectionChange', { selection: sel, path: currentPath } );
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}
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}
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var checkSelectionChangeTimer, checkSelectionChangeTimeoutPending;
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function checkSelectionChangeTimeout() {
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// Firing the "OnSelectionChange" event on every key press started to
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// be too slow. This function guarantees that there will be at least
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// 200ms delay between selection checks.
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checkSelectionChangeTimeoutPending = true;
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if ( checkSelectionChangeTimer )
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return;
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checkSelectionChangeTimeoutExec.call( this );
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checkSelectionChangeTimer = CKEDITOR.tools.setTimeout( checkSelectionChangeTimeoutExec, 200, this );
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}
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function checkSelectionChangeTimeoutExec() {
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checkSelectionChangeTimer = null;
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if ( checkSelectionChangeTimeoutPending ) {
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// Call this with a timeout so the browser properly moves the
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// selection after the mouseup. It happened that the selection was
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// being moved after the mouseup when clicking inside selected text
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// with Firefox.
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CKEDITOR.tools.setTimeout( checkSelectionChange, 0, this );
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checkSelectionChangeTimeoutPending = false;
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}
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}
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// #### checkSelectionChange : END
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var isVisible = CKEDITOR.dom.walker.invisible( 1 );
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// May absorb the caret if:
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// * is a visible node,
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// * is a non-empty element (this rule will accept elements like <strong></strong> because they
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// they were not accepted by the isVisible() check, not not <br> which cannot absorb the caret).
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// See #12621.
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function mayAbsorbCaret( node ) {
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if ( isVisible( node ) )
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return true;
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if ( node.type == CKEDITOR.NODE_ELEMENT && !node.is( CKEDITOR.dtd.$empty ) )
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return true;
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return false;
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}
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function rangeRequiresFix( range ) {
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// Whether we must prevent from absorbing caret by this context node.
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// Also checks whether there's an editable position next to that node.
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function ctxRequiresFix( node, isAtEnd ) {
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// It's ok for us if a text node absorbs the caret, because
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// the caret container element isn't changed then.
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if ( !node || node.type == CKEDITOR.NODE_TEXT )
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return false;
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var testRng = range.clone();
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return testRng[ 'moveToElementEdit' + ( isAtEnd ? 'End' : 'Start' ) ]( node );
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}
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// Range root must be the editable element, it's to avoid creating filler char
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// on any temporary internal selection.
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if ( !( range.root instanceof CKEDITOR.editable ) )
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return false;
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var ct = range.startContainer;
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var previous = range.getPreviousNode( mayAbsorbCaret, null, ct ),
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next = range.getNextNode( mayAbsorbCaret, null, ct );
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// Any adjacent text container may absorb the caret, e.g.
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// <p><strong>text</strong>^foo</p>
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// <p>foo^<strong>text</strong></p>
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// <div>^<p>foo</p></div>
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if ( ctxRequiresFix( previous ) || ctxRequiresFix( next, 1 ) )
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return true;
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// Empty block/inline element is also affected. <span>^</span>, <p>^</p> (#7222)
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// If you found this line confusing check #12655.
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if ( !( previous || next ) && !( ct.type == CKEDITOR.NODE_ELEMENT && ct.isBlockBoundary() && ct.getBogus() ) )
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return true;
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return false;
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}
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function createFillingCharSequenceNode( editable ) {
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removeFillingCharSequenceNode( editable, false );
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var fillingChar = editable.getDocument().createText( fillingCharSequence );
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editable.setCustomData( 'cke-fillingChar', fillingChar );
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return fillingChar;
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}
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// Checks if a filling char has been used, eventualy removing it (#1272).
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function checkFillingCharSequenceNodeReady( editable ) {
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var fillingChar = editable.getCustomData( 'cke-fillingChar' );
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if ( fillingChar ) {
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// Use this flag to avoid removing the filling char right after
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// creating it.
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if ( fillingChar.getCustomData( 'ready' ) ) {
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removeFillingCharSequenceNode( editable );
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} else {
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fillingChar.setCustomData( 'ready', 1 );
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}
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}
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}
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function removeFillingCharSequenceNode( editable, keepSelection ) {
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var fillingChar = editable && editable.removeCustomData( 'cke-fillingChar' );
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if ( fillingChar ) {
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// Text selection position might get mangled by
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// subsequent dom modification, save it now for restoring. (#8617)
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if ( keepSelection !== false ) {
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var sel = editable.getDocument().getSelection().getNative(),
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// Be error proof.
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range = sel && sel.type != 'None' && sel.getRangeAt( 0 ),
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fillingCharSeqLength = fillingCharSequence.length;
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// If there's some text other than the sequence in the FC text node and the range
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// intersects with that node...
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if ( fillingChar.getLength() > fillingCharSeqLength && range && range.intersectsNode( fillingChar.$ ) ) {
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var bm = createNativeSelectionBookmark( sel );
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// Correct start offset anticipating the removal of FC.
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if ( sel.anchorNode == fillingChar.$ && sel.anchorOffset > fillingCharSeqLength ) {
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bm[ 0 ].offset -= fillingCharSeqLength;
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}
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// Correct end offset anticipating the removal of FC.
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if ( sel.focusNode == fillingChar.$ && sel.focusOffset > fillingCharSeqLength ) {
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bm[ 1 ].offset -= fillingCharSeqLength;
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}
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}
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}
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// We can't simply remove the filling node because the user
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// will actually enlarge it when typing, so we just remove the
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// invisible char from it.
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fillingChar.setText( removeFillingCharSequenceString( fillingChar.getText(), 1 ) );
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// Restore the bookmark preserving selection's direction.
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if ( bm ) {
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moveNativeSelectionToBookmark( editable.getDocument().$, bm );
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}
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}
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}
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// #13816
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function removeFillingCharSequenceString( str, nbspAware ) {
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if ( nbspAware ) {
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return str.replace( fillingCharSequenceRegExp, function( m, p ) {
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// #10291 if filling char is followed by a space replace it with NBSP.
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return p ? '\xa0' : '';
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} );
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} else {
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return str.replace( fillingCharSequence, '' );
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}
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}
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function createNativeSelectionBookmark( sel ) {
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return [
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{ node: sel.anchorNode, offset: sel.anchorOffset },
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{ node: sel.focusNode, offset: sel.focusOffset }
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];
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}
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function moveNativeSelectionToBookmark( document, bm ) {
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var sel = document.getSelection(),
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range = document.createRange();
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range.setStart( bm[ 0 ].node, bm[ 0 ].offset );
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range.collapse( true );
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sel.removeAllRanges();
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sel.addRange( range );
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sel.extend( bm[ 1 ].node, bm[ 1 ].offset );
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}
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// Creates cke_hidden_sel container and puts real selection there.
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function hideSelection( editor, ariaLabel ) {
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var content = ariaLabel || ' ',
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style = CKEDITOR.env.ie && CKEDITOR.env.version < 14 ? 'display:none' : 'position:fixed;top:0;left:-1000px',
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hiddenEl = CKEDITOR.dom.element.createFromHtml(
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'<div data-cke-hidden-sel="1" data-cke-temp="1" style="' + style + '">' + content + '</div>',
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editor.document );
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editor.fire( 'lockSnapshot' );
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editor.editable().append( hiddenEl );
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// Always use real selection to avoid overriding locked one (http://dev.ckeditor.com/ticket/11104#comment:13).
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var sel = editor.getSelection( 1 ),
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range = editor.createRange(),
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// Cancel selectionchange fired by selectRanges - prevent from firing selectionChange.
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listener = sel.root.on( 'selectionchange', function( evt ) {
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evt.cancel();
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}, null, null, 0 );
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range.setStartAt( hiddenEl, CKEDITOR.POSITION_AFTER_START );
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range.setEndAt( hiddenEl, CKEDITOR.POSITION_BEFORE_END );
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sel.selectRanges( [ range ] );
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listener.removeListener();
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editor.fire( 'unlockSnapshot' );
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// Set this value at the end, so reset() executed by selectRanges()
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// will clean up old hidden selection container.
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editor._.hiddenSelectionContainer = hiddenEl;
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}
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function removeHiddenSelectionContainer( editor ) {
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var hiddenEl = editor._.hiddenSelectionContainer;
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if ( hiddenEl ) {
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var isDirty = editor.checkDirty();
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editor.fire( 'lockSnapshot' );
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hiddenEl.remove();
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editor.fire( 'unlockSnapshot' );
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!isDirty && editor.resetDirty();
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}
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delete editor._.hiddenSelectionContainer;
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}
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// Object containing keystroke handlers for fake selection.
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var fakeSelectionDefaultKeystrokeHandlers = ( function() {
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function leave( right ) {
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return function( evt ) {
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var range = evt.editor.createRange();
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// Move selection only if there's a editable place for it.
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// It no, then do nothing (keystroke will be blocked, widget selection kept).
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if ( range.moveToClosestEditablePosition( evt.selected, right ) )
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evt.editor.getSelection().selectRanges( [ range ] );
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// Prevent default.
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return false;
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};
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}
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function del( right ) {
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return function( evt ) {
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var editor = evt.editor,
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range = editor.createRange(),
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found;
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// If haven't found place for caret on the default side,
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// try to find it on the other side.
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if ( !( found = range.moveToClosestEditablePosition( evt.selected, right ) ) )
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found = range.moveToClosestEditablePosition( evt.selected, !right );
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if ( found )
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editor.getSelection().selectRanges( [ range ] );
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// Save the state before removing selected element.
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editor.fire( 'saveSnapshot' );
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evt.selected.remove();
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// Haven't found any editable space before removing element,
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// try to place the caret anywhere (most likely, in empty editable).
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if ( !found ) {
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range.moveToElementEditablePosition( editor.editable() );
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editor.getSelection().selectRanges( [ range ] );
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}
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editor.fire( 'saveSnapshot' );
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// Prevent default.
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return false;
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};
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}
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var leaveLeft = leave(),
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leaveRight = leave( 1 );
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return {
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37: leaveLeft, // LEFT
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38: leaveLeft, // UP
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39: leaveRight, // RIGHT
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40: leaveRight, // DOWN
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8: del(), // BACKSPACE
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46: del( 1 ) // DELETE
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};
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} )();
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// Handle left, right, delete and backspace keystrokes next to non-editable elements
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// by faking selection on them.
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function getOnKeyDownListener( editor ) {
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var keystrokes = { 37: 1, 39: 1, 8: 1, 46: 1 };
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return function( evt ) {
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var keystroke = evt.data.getKeystroke();
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// Handle only left/right/del/bspace keys.
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if ( !keystrokes[ keystroke ] )
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return;
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var sel = editor.getSelection(),
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ranges = sel.getRanges(),
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range = ranges[ 0 ];
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// Handle only single range and it has to be collapsed.
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if ( ranges.length != 1 || !range.collapsed )
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return;
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var next = range[ keystroke < 38 ? 'getPreviousEditableNode' : 'getNextEditableNode' ]();
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if ( next && next.type == CKEDITOR.NODE_ELEMENT && next.getAttribute( 'contenteditable' ) == 'false' ) {
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editor.getSelection().fake( next );
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evt.data.preventDefault();
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evt.cancel();
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}
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};
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}
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// If fake selection should be applied this function will return instance of
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// CKEDITOR.dom.element which should gain fake selection.
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function getNonEditableFakeSelectionReceiver( ranges ) {
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var enclosedNode, shrinkedNode, clone, range;
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if ( ranges.length == 1 && !( range = ranges[ 0 ] ).collapsed &&
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( enclosedNode = range.getEnclosedNode() ) && enclosedNode.type == CKEDITOR.NODE_ELEMENT ) {
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// So far we can't say that enclosed element is non-editable. Before checking,
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// we'll shrink range (clone). Shrinking will stop on non-editable range, or
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// innermost element (#11114).
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clone = range.clone();
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clone.shrink( CKEDITOR.SHRINK_ELEMENT, true );
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// If shrinked range still encloses an element, check this one (shrink stops only on non-editable elements).
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if ( ( shrinkedNode = clone.getEnclosedNode() ) && shrinkedNode.type == CKEDITOR.NODE_ELEMENT )
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enclosedNode = shrinkedNode;
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if ( enclosedNode.getAttribute( 'contenteditable' ) == 'false' )
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return enclosedNode;
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}
|
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}
|
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// Fix ranges which may end after hidden selection container.
|
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// Note: this function may only be used if hidden selection container
|
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// is not in DOM any more.
|
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function fixRangesAfterHiddenSelectionContainer( ranges, root ) {
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var range;
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for ( var i = 0; i < ranges.length; ++i ) {
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range = ranges[ i ];
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if ( range.endContainer.equals( root ) ) {
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// We can use getChildCount() because hidden selection container is not in DOM.
|
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range.endOffset = Math.min( range.endOffset, root.getChildCount() );
|
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}
|
||
}
|
||
}
|
||
|
||
// Extract only editable part or ranges.
|
||
// Note: this function modifies ranges list!
|
||
// @param {CKEDITOR.dom.rangeList} ranges
|
||
function extractEditableRanges( ranges ) {
|
||
for ( var i = 0; i < ranges.length; i++ ) {
|
||
var range = ranges[ i ];
|
||
|
||
// Drop range spans inside one ready-only node.
|
||
var parent = range.getCommonAncestor();
|
||
if ( parent.isReadOnly() )
|
||
ranges.splice( i, 1 );
|
||
|
||
if ( range.collapsed )
|
||
continue;
|
||
|
||
// Range may start inside a non-editable element,
|
||
// replace the range start after it.
|
||
if ( range.startContainer.isReadOnly() ) {
|
||
var current = range.startContainer,
|
||
isElement;
|
||
|
||
while ( current ) {
|
||
isElement = current.type == CKEDITOR.NODE_ELEMENT;
|
||
|
||
if ( ( isElement && current.is( 'body' ) ) || !current.isReadOnly() )
|
||
break;
|
||
|
||
if ( isElement && current.getAttribute( 'contentEditable' ) == 'false' )
|
||
range.setStartAfter( current );
|
||
|
||
current = current.getParent();
|
||
}
|
||
}
|
||
|
||
var startContainer = range.startContainer,
|
||
endContainer = range.endContainer,
|
||
startOffset = range.startOffset,
|
||
endOffset = range.endOffset,
|
||
walkerRange = range.clone();
|
||
|
||
// Enlarge range start/end with text node to avoid walker
|
||
// being DOM destructive, it doesn't interfere our checking
|
||
// of elements below as well.
|
||
if ( startContainer && startContainer.type == CKEDITOR.NODE_TEXT ) {
|
||
if ( startOffset >= startContainer.getLength() )
|
||
walkerRange.setStartAfter( startContainer );
|
||
else
|
||
walkerRange.setStartBefore( startContainer );
|
||
}
|
||
|
||
if ( endContainer && endContainer.type == CKEDITOR.NODE_TEXT ) {
|
||
if ( !endOffset )
|
||
walkerRange.setEndBefore( endContainer );
|
||
else
|
||
walkerRange.setEndAfter( endContainer );
|
||
}
|
||
|
||
// Looking for non-editable element inside the range.
|
||
var walker = new CKEDITOR.dom.walker( walkerRange );
|
||
walker.evaluator = function( node ) {
|
||
if ( node.type == CKEDITOR.NODE_ELEMENT && node.isReadOnly() ) {
|
||
var newRange = range.clone();
|
||
range.setEndBefore( node );
|
||
|
||
// Drop collapsed range around read-only elements,
|
||
// it make sure the range list empty when selecting
|
||
// only non-editable elements.
|
||
if ( range.collapsed )
|
||
ranges.splice( i--, 1 );
|
||
|
||
// Avoid creating invalid range.
|
||
if ( !( node.getPosition( walkerRange.endContainer ) & CKEDITOR.POSITION_CONTAINS ) ) {
|
||
newRange.setStartAfter( node );
|
||
if ( !newRange.collapsed )
|
||
ranges.splice( i + 1, 0, newRange );
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
};
|
||
|
||
walker.next();
|
||
}
|
||
|
||
return ranges;
|
||
}
|
||
|
||
// Setup all editor instances for the necessary selection hooks.
|
||
CKEDITOR.on( 'instanceCreated', function( ev ) {
|
||
var editor = ev.editor;
|
||
|
||
editor.on( 'contentDom', function() {
|
||
var doc = editor.document,
|
||
outerDoc = CKEDITOR.document,
|
||
editable = editor.editable(),
|
||
body = doc.getBody(),
|
||
html = doc.getDocumentElement();
|
||
|
||
var isInline = editable.isInline();
|
||
|
||
var restoreSel,
|
||
lastSel;
|
||
|
||
// Give the editable an initial selection on first focus,
|
||
// put selection at a consistent position at the start
|
||
// of the contents. (#9507)
|
||
if ( CKEDITOR.env.gecko ) {
|
||
editable.attachListener( editable, 'focus', function( evt ) {
|
||
evt.removeListener();
|
||
|
||
if ( restoreSel !== 0 ) {
|
||
var nativ = editor.getSelection().getNative();
|
||
// Do it only if the native selection is at an unwanted
|
||
// place (at the very start of the editable). #10119
|
||
if ( nativ && nativ.isCollapsed && nativ.anchorNode == editable.$ ) {
|
||
var rng = editor.createRange();
|
||
rng.moveToElementEditStart( editable );
|
||
rng.select();
|
||
}
|
||
}
|
||
}, null, null, -2 );
|
||
}
|
||
|
||
// Plays the magic here to restore/save dom selection on editable focus/blur.
|
||
editable.attachListener( editable, CKEDITOR.env.webkit ? 'DOMFocusIn' : 'focus', function() {
|
||
// On Webkit we use DOMFocusIn which is fired more often than focus - e.g. when moving from main editable
|
||
// to nested editable (or the opposite). Unlock selection all, but restore only when it was locked
|
||
// for the same active element, what will e.g. mean restoring after displaying dialog.
|
||
if ( restoreSel && CKEDITOR.env.webkit ) {
|
||
restoreSel = editor._.previousActive && editor._.previousActive.equals( doc.getActive() );
|
||
|
||
// On Webkit when editor uses divarea, native focus causes editable viewport to scroll
|
||
// to the top (when there is no active selection inside while focusing) so the scroll
|
||
// position should be restored after focusing back editable area. (#14659)
|
||
if ( restoreSel && editor._.previousScrollTop != null && editor._.previousScrollTop != editable.$.scrollTop ) {
|
||
editable.$.scrollTop = editor._.previousScrollTop;
|
||
}
|
||
}
|
||
|
||
editor.unlockSelection( restoreSel );
|
||
restoreSel = 0;
|
||
}, null, null, -1 );
|
||
|
||
// Disable selection restoring when clicking in.
|
||
editable.attachListener( editable, 'mousedown', function() {
|
||
restoreSel = 0;
|
||
} );
|
||
|
||
// Save a cloned version of current selection.
|
||
function saveSel() {
|
||
lastSel = new CKEDITOR.dom.selection( editor.getSelection() );
|
||
lastSel.lock();
|
||
}
|
||
|
||
// Browsers could loose the selection once the editable lost focus,
|
||
// in such case we need to reproduce it by saving a locked selection
|
||
// and restoring it upon focus gain.
|
||
if ( CKEDITOR.env.ie || isInline ) {
|
||
// For old IEs, we can retrieve the last correct DOM selection upon the "beforedeactivate" event.
|
||
// For the rest, a more frequent check is required for each selection change made.
|
||
if ( isMSSelection )
|
||
editable.attachListener( editable, 'beforedeactivate', saveSel, null, null, -1 );
|
||
else
|
||
editable.attachListener( editor, 'selectionCheck', saveSel, null, null, -1 );
|
||
|
||
// Lock the selection and mark it to be restored.
|
||
// On Webkit we use DOMFocusOut which is fired more often than blur. I.e. it will also be
|
||
// fired when nested editable is blurred.
|
||
editable.attachListener( editable, CKEDITOR.env.webkit ? 'DOMFocusOut' : 'blur', function() {
|
||
editor.lockSelection( lastSel );
|
||
restoreSel = 1;
|
||
}, null, null, -1 );
|
||
|
||
// Disable selection restoring when clicking in.
|
||
editable.attachListener( editable, 'mousedown', function() {
|
||
restoreSel = 0;
|
||
} );
|
||
}
|
||
|
||
// The following selection-related fixes only apply to classic (`iframe`-based) editable.
|
||
if ( CKEDITOR.env.ie && !isInline ) {
|
||
var scroll;
|
||
editable.attachListener( editable, 'mousedown', function( evt ) {
|
||
// IE scrolls document to top on right mousedown
|
||
// when editor has no focus, remember this scroll
|
||
// position and revert it before context menu opens. (#5778)
|
||
if ( evt.data.$.button == 2 ) {
|
||
var sel = editor.document.getSelection();
|
||
if ( !sel || sel.getType() == CKEDITOR.SELECTION_NONE )
|
||
scroll = editor.window.getScrollPosition();
|
||
}
|
||
} );
|
||
|
||
editable.attachListener( editable, 'mouseup', function( evt ) {
|
||
// Restore recorded scroll position when needed on right mouseup.
|
||
if ( evt.data.$.button == 2 && scroll ) {
|
||
editor.document.$.documentElement.scrollLeft = scroll.x;
|
||
editor.document.$.documentElement.scrollTop = scroll.y;
|
||
}
|
||
scroll = null;
|
||
} );
|
||
|
||
// When content doc is in standards mode, IE doesn't focus the editor when
|
||
// clicking at the region below body (on html element) content, we emulate
|
||
// the normal behavior on old IEs. (#1659, #7932)
|
||
if ( doc.$.compatMode != 'BackCompat' ) {
|
||
if ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) {
|
||
var textRng,
|
||
startRng;
|
||
|
||
html.on( 'mousedown', function( evt ) {
|
||
evt = evt.data;
|
||
|
||
// Expand the text range along with mouse move.
|
||
function onHover( evt ) {
|
||
evt = evt.data.$;
|
||
if ( textRng ) {
|
||
// Read the current cursor.
|
||
var rngEnd = body.$.createTextRange();
|
||
|
||
moveRangeToPoint( rngEnd, evt.clientX, evt.clientY );
|
||
|
||
// Handle drag directions.
|
||
textRng.setEndPoint(
|
||
startRng.compareEndPoints( 'StartToStart', rngEnd ) < 0 ?
|
||
'EndToEnd' : 'StartToStart', rngEnd );
|
||
|
||
// Update selection with new range.
|
||
textRng.select();
|
||
}
|
||
}
|
||
|
||
function removeListeners() {
|
||
outerDoc.removeListener( 'mouseup', onSelectEnd );
|
||
html.removeListener( 'mouseup', onSelectEnd );
|
||
}
|
||
|
||
function onSelectEnd() {
|
||
html.removeListener( 'mousemove', onHover );
|
||
removeListeners();
|
||
|
||
// Make it in effect on mouse up. (#9022)
|
||
textRng.select();
|
||
}
|
||
|
||
|
||
// We're sure that the click happens at the region
|
||
// below body, but not on scrollbar.
|
||
if ( evt.getTarget().is( 'html' ) &&
|
||
evt.$.y < html.$.clientHeight &&
|
||
evt.$.x < html.$.clientWidth ) {
|
||
// Start to build the text range.
|
||
textRng = body.$.createTextRange();
|
||
moveRangeToPoint( textRng, evt.$.clientX, evt.$.clientY );
|
||
|
||
// Records the dragging start of the above text range.
|
||
startRng = textRng.duplicate();
|
||
|
||
html.on( 'mousemove', onHover );
|
||
outerDoc.on( 'mouseup', onSelectEnd );
|
||
html.on( 'mouseup', onSelectEnd );
|
||
}
|
||
} );
|
||
}
|
||
|
||
// It's much simpler for IE8+, we just need to reselect the reported range.
|
||
// This hack does not work on IE>=11 because there's no old selection&range APIs.
|
||
if ( CKEDITOR.env.version > 7 && CKEDITOR.env.version < 11 ) {
|
||
html.on( 'mousedown', function( evt ) {
|
||
if ( evt.data.getTarget().is( 'html' ) ) {
|
||
// Limit the text selection mouse move inside of editable. (#9715)
|
||
outerDoc.on( 'mouseup', onSelectEnd );
|
||
html.on( 'mouseup', onSelectEnd );
|
||
}
|
||
} );
|
||
}
|
||
}
|
||
}
|
||
|
||
// We check the selection change:
|
||
// 1. Upon "selectionchange" event from the editable element. (which might be faked event fired by our code)
|
||
// 2. After the accomplish of keyboard and mouse events.
|
||
editable.attachListener( editable, 'selectionchange', checkSelectionChange, editor );
|
||
editable.attachListener( editable, 'keyup', checkSelectionChangeTimeout, editor );
|
||
// Always fire the selection change on focus gain.
|
||
// On Webkit do this on DOMFocusIn, because the selection is unlocked on it too and
|
||
// we need synchronization between those listeners to not lost cached editor._.previousActive property
|
||
// (which is updated on selectionCheck).
|
||
editable.attachListener( editable, CKEDITOR.env.webkit ? 'DOMFocusIn' : 'focus', function() {
|
||
editor.forceNextSelectionCheck();
|
||
editor.selectionChange( 1 );
|
||
} );
|
||
|
||
// #9699: On Webkit&Gecko in inline editor we have to check selection when it was changed
|
||
// by dragging and releasing mouse button outside editable. Dragging (mousedown)
|
||
// has to be initialized in editable, but for mouseup we listen on document element.
|
||
if ( isInline && ( CKEDITOR.env.webkit || CKEDITOR.env.gecko ) ) {
|
||
var mouseDown;
|
||
editable.attachListener( editable, 'mousedown', function() {
|
||
mouseDown = 1;
|
||
} );
|
||
editable.attachListener( doc.getDocumentElement(), 'mouseup', function() {
|
||
if ( mouseDown )
|
||
checkSelectionChangeTimeout.call( editor );
|
||
mouseDown = 0;
|
||
} );
|
||
}
|
||
// In all other cases listen on simple mouseup over editable, as we did before #9699.
|
||
//
|
||
// Use document instead of editable in non-IEs for observing mouseup
|
||
// since editable won't fire the event if selection process started within iframe and ended out
|
||
// of the editor (#9851).
|
||
else {
|
||
editable.attachListener( CKEDITOR.env.ie ? editable : doc.getDocumentElement(), 'mouseup', checkSelectionChangeTimeout, editor );
|
||
}
|
||
|
||
if ( CKEDITOR.env.webkit ) {
|
||
// Before keystroke is handled by editor, check to remove the filling char.
|
||
editable.attachListener( doc, 'keydown', function( evt ) {
|
||
var key = evt.data.getKey();
|
||
// Remove the filling char before some keys get
|
||
// executed, so they'll not get blocked by it.
|
||
switch ( key ) {
|
||
case 13: // ENTER
|
||
case 33: // PAGEUP
|
||
case 34: // PAGEDOWN
|
||
case 35: // HOME
|
||
case 36: // END
|
||
case 37: // LEFT-ARROW
|
||
case 39: // RIGHT-ARROW
|
||
case 8: // BACKSPACE
|
||
case 45: // INS
|
||
case 46: // DEl
|
||
removeFillingCharSequenceNode( editable );
|
||
}
|
||
|
||
}, null, null, -1 );
|
||
}
|
||
|
||
// Automatically select non-editable element when navigating into
|
||
// it by left/right or backspace/del keys.
|
||
editable.attachListener( editable, 'keydown', getOnKeyDownListener( editor ), null, null, -1 );
|
||
|
||
function moveRangeToPoint( range, x, y ) {
|
||
// Error prune in IE7. (#9034, #9110)
|
||
try {
|
||
range.moveToPoint( x, y );
|
||
} catch ( e ) {}
|
||
}
|
||
|
||
function removeListeners() {
|
||
outerDoc.removeListener( 'mouseup', onSelectEnd );
|
||
html.removeListener( 'mouseup', onSelectEnd );
|
||
}
|
||
|
||
function onSelectEnd() {
|
||
removeListeners();
|
||
|
||
// The event is not fired when clicking on the scrollbars,
|
||
// so we can safely check the following to understand
|
||
// whether the empty space following <body> has been clicked.
|
||
var sel = CKEDITOR.document.$.selection,
|
||
range = sel.createRange();
|
||
|
||
// The selection range is reported on host, but actually it should applies to the content doc.
|
||
if ( sel.type != 'None' && range.parentElement().ownerDocument == doc.$ )
|
||
range.select();
|
||
}
|
||
} );
|
||
|
||
editor.on( 'setData', function() {
|
||
// Invalidate locked selection when unloading DOM.
|
||
// (#9521, #5217#comment:32 and #11500#comment:11)
|
||
editor.unlockSelection();
|
||
|
||
// Webkit's selection will mess up after the data loading.
|
||
if ( CKEDITOR.env.webkit )
|
||
clearSelection();
|
||
} );
|
||
|
||
// Catch all the cases which above setData listener couldn't catch.
|
||
// For example: switching to source mode and destroying editor.
|
||
editor.on( 'contentDomUnload', function() {
|
||
editor.unlockSelection();
|
||
} );
|
||
|
||
// IE9 might cease to work if there's an object selection inside the iframe (#7639).
|
||
if ( CKEDITOR.env.ie9Compat )
|
||
editor.on( 'beforeDestroy', clearSelection, null, null, 9 );
|
||
|
||
// Check selection change on data reload.
|
||
editor.on( 'dataReady', function() {
|
||
// Clean up fake selection after setting data.
|
||
delete editor._.fakeSelection;
|
||
delete editor._.hiddenSelectionContainer;
|
||
|
||
editor.selectionChange( 1 );
|
||
} );
|
||
|
||
// When loaded data are ready check whether hidden selection container was not loaded.
|
||
editor.on( 'loadSnapshot', function() {
|
||
var isElement = CKEDITOR.dom.walker.nodeType( CKEDITOR.NODE_ELEMENT ),
|
||
// TODO replace with el.find() which will be introduced in #9764,
|
||
// because it may happen that hidden sel container won't be the last element.
|
||
last = editor.editable().getLast( isElement );
|
||
|
||
if ( last && last.hasAttribute( 'data-cke-hidden-sel' ) ) {
|
||
last.remove();
|
||
|
||
// Firefox does a very unfortunate thing. When a non-editable element is the only
|
||
// element in the editable, when we remove the hidden selection container, Firefox
|
||
// will insert a bogus <br> at the beginning of the editable...
|
||
// See: https://bugzilla.mozilla.org/show_bug.cgi?id=911201
|
||
//
|
||
// This behavior is never desired because this <br> pushes the content lower, but in
|
||
// this case it is especially dangerous, because it happens when a bookmark is being restored.
|
||
// Since this <br> is inserted at the beginning it changes indexes and thus breaks the bookmark2
|
||
// what results in errors.
|
||
//
|
||
// So... let's revert what Firefox broke.
|
||
if ( CKEDITOR.env.gecko ) {
|
||
var first = editor.editable().getFirst( isElement );
|
||
if ( first && first.is( 'br' ) && first.getAttribute( '_moz_editor_bogus_node' ) ) {
|
||
first.remove();
|
||
}
|
||
}
|
||
}
|
||
}, null, null, 100 );
|
||
|
||
editor.on( 'key', function( evt ) {
|
||
if ( editor.mode != 'wysiwyg' )
|
||
return;
|
||
|
||
var sel = editor.getSelection();
|
||
if ( !sel.isFake )
|
||
return;
|
||
|
||
var handler = fakeSelectionDefaultKeystrokeHandlers[ evt.data.keyCode ];
|
||
if ( handler )
|
||
return handler( { editor: editor, selected: sel.getSelectedElement(), selection: sel, keyEvent: evt } );
|
||
} );
|
||
|
||
function clearSelection() {
|
||
var sel = editor.getSelection();
|
||
sel && sel.removeAllRanges();
|
||
}
|
||
} );
|
||
|
||
// On WebKit only, we need a special "filling" char on some situations
|
||
// (#1272). Here we set the events that should invalidate that char.
|
||
if ( CKEDITOR.env.webkit ) {
|
||
CKEDITOR.on( 'instanceReady', function( evt ) {
|
||
var editor = evt.editor;
|
||
|
||
editor.on( 'selectionChange', function() {
|
||
checkFillingCharSequenceNodeReady( editor.editable() );
|
||
}, null, null, -1 );
|
||
|
||
editor.on( 'beforeSetMode', function() {
|
||
removeFillingCharSequenceNode( editor.editable() );
|
||
}, null, null, -1 );
|
||
|
||
// Filter Undo snapshot's HTML to get rid of Filling Char Sequence.
|
||
// Note: CKEDITOR.dom.range.createBookmark2() normalizes snapshot's
|
||
// bookmarks to anticipate the removal of FCSeq from the snapshot's HTML (#13816).
|
||
editor.on( 'getSnapshot', function( evt ) {
|
||
if ( evt.data ) {
|
||
evt.data = removeFillingCharSequenceString( evt.data );
|
||
}
|
||
}, editor, null, 20 );
|
||
|
||
// Filter data to get rid of Filling Char Sequence. Filter on #toDataFormat
|
||
// instead of #getData because once removed, FCSeq may leave an empty element,
|
||
// which should be pruned by the dataProcessor (#13816).
|
||
// Note: Used low priority to filter when dataProcessor works on strings,
|
||
// not pseudo–DOM.
|
||
editor.on( 'toDataFormat', function( evt ) {
|
||
evt.data.dataValue = removeFillingCharSequenceString( evt.data.dataValue );
|
||
}, null, null, 0 );
|
||
} );
|
||
}
|
||
|
||
/**
|
||
* Check the selection change in editor and potentially fires
|
||
* the {@link CKEDITOR.editor#event-selectionChange} event.
|
||
*
|
||
* @method
|
||
* @member CKEDITOR.editor
|
||
* @param {Boolean} [checkNow=false] Force the check to happen immediately
|
||
* instead of coming with a timeout delay (default).
|
||
*/
|
||
CKEDITOR.editor.prototype.selectionChange = function( checkNow ) {
|
||
( checkNow ? checkSelectionChange : checkSelectionChangeTimeout ).call( this );
|
||
};
|
||
|
||
/**
|
||
* Retrieve the editor selection in scope of editable element.
|
||
*
|
||
* **Note:** Since the native browser selection provides only one single
|
||
* selection at a time per document, so if editor's editable element has lost focus,
|
||
* this method will return a null value unless the {@link CKEDITOR.editor#lockSelection}
|
||
* has been called beforehand so the saved selection is retrieved.
|
||
*
|
||
* var selection = CKEDITOR.instances.editor1.getSelection();
|
||
* alert( selection.getType() );
|
||
*
|
||
* @method
|
||
* @member CKEDITOR.editor
|
||
* @param {Boolean} forceRealSelection Return real selection, instead of saved or fake one.
|
||
* @returns {CKEDITOR.dom.selection} A selection object or null if not available for the moment.
|
||
*/
|
||
CKEDITOR.editor.prototype.getSelection = function( forceRealSelection ) {
|
||
|
||
// Check if there exists a locked or fake selection.
|
||
if ( ( this._.savedSelection || this._.fakeSelection ) && !forceRealSelection )
|
||
return this._.savedSelection || this._.fakeSelection;
|
||
|
||
// Editable element might be absent or editor might not be in a wysiwyg mode.
|
||
var editable = this.editable();
|
||
return editable && this.mode == 'wysiwyg' ? new CKEDITOR.dom.selection( editable ) : null;
|
||
};
|
||
|
||
/**
|
||
* Locks the selection made in the editor in order to make it possible to
|
||
* manipulate it without browser interference. A locked selection is
|
||
* cached and remains unchanged until it is released with the
|
||
* {@link CKEDITOR.editor#unlockSelection} method.
|
||
*
|
||
* @method
|
||
* @member CKEDITOR.editor
|
||
* @param {CKEDITOR.dom.selection} [sel] Specify the selection to be locked.
|
||
* @returns {Boolean} `true` if selection was locked.
|
||
*/
|
||
CKEDITOR.editor.prototype.lockSelection = function( sel ) {
|
||
sel = sel || this.getSelection( 1 );
|
||
if ( sel.getType() != CKEDITOR.SELECTION_NONE ) {
|
||
!sel.isLocked && sel.lock();
|
||
this._.savedSelection = sel;
|
||
return true;
|
||
}
|
||
return false;
|
||
};
|
||
|
||
/**
|
||
* Unlocks the selection made in the editor and locked with the
|
||
* {@link CKEDITOR.editor#unlockSelection} method. An unlocked selection
|
||
* is no longer cached and can be changed.
|
||
*
|
||
* @method
|
||
* @member CKEDITOR.editor
|
||
* @param {Boolean} [restore] If set to `true`, the selection is
|
||
* restored back to the selection saved earlier by using the
|
||
* {@link CKEDITOR.dom.selection#lock} method.
|
||
*/
|
||
CKEDITOR.editor.prototype.unlockSelection = function( restore ) {
|
||
var sel = this._.savedSelection;
|
||
if ( sel ) {
|
||
sel.unlock( restore );
|
||
delete this._.savedSelection;
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
};
|
||
|
||
/**
|
||
* @method
|
||
* @member CKEDITOR.editor
|
||
* @todo
|
||
*/
|
||
CKEDITOR.editor.prototype.forceNextSelectionCheck = function() {
|
||
delete this._.selectionPreviousPath;
|
||
};
|
||
|
||
/**
|
||
* Gets the current selection in context of the document's body element.
|
||
*
|
||
* var selection = CKEDITOR.instances.editor1.document.getSelection();
|
||
* alert( selection.getType() );
|
||
*
|
||
* @method
|
||
* @member CKEDITOR.dom.document
|
||
* @returns {CKEDITOR.dom.selection} A selection object.
|
||
*/
|
||
CKEDITOR.dom.document.prototype.getSelection = function() {
|
||
return new CKEDITOR.dom.selection( this );
|
||
};
|
||
|
||
/**
|
||
* Select this range as the only one with {@link CKEDITOR.dom.selection#selectRanges}.
|
||
*
|
||
* @method
|
||
* @returns {CKEDITOR.dom.selection}
|
||
* @member CKEDITOR.dom.range
|
||
*/
|
||
CKEDITOR.dom.range.prototype.select = function() {
|
||
var sel = this.root instanceof CKEDITOR.editable ? this.root.editor.getSelection() : new CKEDITOR.dom.selection( this.root );
|
||
|
||
sel.selectRanges( [ this ] );
|
||
|
||
return sel;
|
||
};
|
||
|
||
/**
|
||
* No selection.
|
||
*
|
||
* if ( editor.getSelection().getType() == CKEDITOR.SELECTION_NONE )
|
||
* alert( 'Nothing is selected' );
|
||
*
|
||
* @readonly
|
||
* @property {Number} [=1]
|
||
* @member CKEDITOR
|
||
*/
|
||
CKEDITOR.SELECTION_NONE = 1;
|
||
|
||
/**
|
||
* A text or a collapsed selection.
|
||
*
|
||
* if ( editor.getSelection().getType() == CKEDITOR.SELECTION_TEXT )
|
||
* alert( 'A text is selected' );
|
||
*
|
||
* @readonly
|
||
* @property {Number} [=2]
|
||
* @member CKEDITOR
|
||
*/
|
||
CKEDITOR.SELECTION_TEXT = 2;
|
||
|
||
/**
|
||
* Element selection.
|
||
*
|
||
* if ( editor.getSelection().getType() == CKEDITOR.SELECTION_ELEMENT )
|
||
* alert( 'An element is selected' );
|
||
*
|
||
* @readonly
|
||
* @property {Number} [=3]
|
||
* @member CKEDITOR
|
||
*/
|
||
CKEDITOR.SELECTION_ELEMENT = 3;
|
||
|
||
/**
|
||
* Manipulates the selection within a DOM element. If the current browser selection
|
||
* spans outside of the element, an empty selection object is returned.
|
||
*
|
||
* Despite the fact that selection's constructor allows to create selection instances,
|
||
* usually it's better to get selection from the editor instance:
|
||
*
|
||
* var sel = editor.getSelection();
|
||
*
|
||
* See {@link CKEDITOR.editor#getSelection}.
|
||
*
|
||
* @class
|
||
* @constructor Creates a selection class instance.
|
||
*
|
||
* // Selection scoped in document.
|
||
* var sel = new CKEDITOR.dom.selection( CKEDITOR.document );
|
||
*
|
||
* // Selection scoped in element with 'editable' id.
|
||
* var sel = new CKEDITOR.dom.selection( CKEDITOR.document.getById( 'editable' ) );
|
||
*
|
||
* // Cloning selection.
|
||
* var clone = new CKEDITOR.dom.selection( sel );
|
||
*
|
||
* @param {CKEDITOR.dom.document/CKEDITOR.dom.element/CKEDITOR.dom.selection} target
|
||
* The DOM document/element that the DOM selection is restrained to. Only selection which spans
|
||
* within the target element is considered as valid.
|
||
*
|
||
* If {@link CKEDITOR.dom.selection} is passed, then its clone will be created.
|
||
*/
|
||
CKEDITOR.dom.selection = function( target ) {
|
||
// Target is a selection - clone it.
|
||
if ( target instanceof CKEDITOR.dom.selection ) {
|
||
var selection = target;
|
||
target = target.root;
|
||
}
|
||
|
||
var isElement = target instanceof CKEDITOR.dom.element,
|
||
root;
|
||
|
||
this.rev = selection ? selection.rev : nextRev++;
|
||
this.document = target instanceof CKEDITOR.dom.document ? target : target.getDocument();
|
||
this.root = root = isElement ? target : this.document.getBody();
|
||
this.isLocked = 0;
|
||
this._ = {
|
||
cache: {}
|
||
};
|
||
|
||
// Clone selection.
|
||
if ( selection ) {
|
||
CKEDITOR.tools.extend( this._.cache, selection._.cache );
|
||
this.isFake = selection.isFake;
|
||
this.isLocked = selection.isLocked;
|
||
return this;
|
||
}
|
||
|
||
// Check whether browser focus is really inside of the editable element.
|
||
|
||
var nativeSel = this.getNative(),
|
||
rangeParent,
|
||
range;
|
||
|
||
if ( nativeSel ) {
|
||
if ( nativeSel.getRangeAt ) {
|
||
range = nativeSel.rangeCount && nativeSel.getRangeAt( 0 );
|
||
rangeParent = range && new CKEDITOR.dom.node( range.commonAncestorContainer );
|
||
}
|
||
// For old IEs.
|
||
else {
|
||
// Sometimes, mostly when selection is close to the table or hr,
|
||
// IE throws "Unspecified error".
|
||
try {
|
||
range = nativeSel.createRange();
|
||
} catch ( err ) {}
|
||
rangeParent = range && CKEDITOR.dom.element.get( range.item && range.item( 0 ) || range.parentElement() );
|
||
}
|
||
}
|
||
|
||
// Selection out of concerned range, empty the selection.
|
||
// TODO check whether this condition cannot be reverted to its old
|
||
// form (commented out) after we closed #10438.
|
||
//if ( !( rangeParent && ( root.equals( rangeParent ) || root.contains( rangeParent ) ) ) ) {
|
||
if ( !(
|
||
rangeParent &&
|
||
( rangeParent.type == CKEDITOR.NODE_ELEMENT || rangeParent.type == CKEDITOR.NODE_TEXT ) &&
|
||
( this.root.equals( rangeParent ) || this.root.contains( rangeParent ) )
|
||
) ) {
|
||
|
||
this._.cache.type = CKEDITOR.SELECTION_NONE;
|
||
this._.cache.startElement = null;
|
||
this._.cache.selectedElement = null;
|
||
this._.cache.selectedText = '';
|
||
this._.cache.ranges = new CKEDITOR.dom.rangeList();
|
||
}
|
||
|
||
return this;
|
||
};
|
||
|
||
var styleObjectElements = { img: 1, hr: 1, li: 1, table: 1, tr: 1, td: 1, th: 1, embed: 1, object: 1, ol: 1, ul: 1,
|
||
a: 1, input: 1, form: 1, select: 1, textarea: 1, button: 1, fieldset: 1, thead: 1, tfoot: 1 };
|
||
|
||
CKEDITOR.tools.extend( CKEDITOR.dom.selection, {
|
||
_removeFillingCharSequenceString: removeFillingCharSequenceString,
|
||
_createFillingCharSequenceNode: createFillingCharSequenceNode,
|
||
|
||
/**
|
||
* The sequence used in a WebKit-based browser to create a Filling Character. By default it is
|
||
* a string of 7 zero-width space characters (U+200B).
|
||
*
|
||
* @since 4.5.7
|
||
* @readonly
|
||
* @property {String}
|
||
*/
|
||
FILLING_CHAR_SEQUENCE: fillingCharSequence
|
||
} );
|
||
|
||
CKEDITOR.dom.selection.prototype = {
|
||
/**
|
||
* Gets the native selection object from the browser.
|
||
*
|
||
* var selection = editor.getSelection().getNative();
|
||
*
|
||
* @returns {Object} The native browser selection object.
|
||
*/
|
||
getNative: function() {
|
||
if ( this._.cache.nativeSel !== undefined )
|
||
return this._.cache.nativeSel;
|
||
|
||
return ( this._.cache.nativeSel = isMSSelection ? this.document.$.selection : this.document.getWindow().$.getSelection() );
|
||
},
|
||
|
||
/**
|
||
* Gets the type of the current selection. The following values are
|
||
* available:
|
||
*
|
||
* * {@link CKEDITOR#SELECTION_NONE} (1): No selection.
|
||
* * {@link CKEDITOR#SELECTION_TEXT} (2): A text or a collapsed selection is selected.
|
||
* * {@link CKEDITOR#SELECTION_ELEMENT} (3): An element is selected.
|
||
*
|
||
* Example:
|
||
*
|
||
* if ( editor.getSelection().getType() == CKEDITOR.SELECTION_TEXT )
|
||
* alert( 'A text is selected' );
|
||
*
|
||
* @method
|
||
* @returns {Number} One of the following constant values: {@link CKEDITOR#SELECTION_NONE},
|
||
* {@link CKEDITOR#SELECTION_TEXT} or {@link CKEDITOR#SELECTION_ELEMENT}.
|
||
*/
|
||
getType: isMSSelection ?
|
||
function() {
|
||
var cache = this._.cache;
|
||
if ( cache.type )
|
||
return cache.type;
|
||
|
||
var type = CKEDITOR.SELECTION_NONE;
|
||
|
||
try {
|
||
var sel = this.getNative(),
|
||
ieType = sel.type;
|
||
|
||
if ( ieType == 'Text' )
|
||
type = CKEDITOR.SELECTION_TEXT;
|
||
|
||
if ( ieType == 'Control' )
|
||
type = CKEDITOR.SELECTION_ELEMENT;
|
||
|
||
// It is possible that we can still get a text range
|
||
// object even when type == 'None' is returned by IE.
|
||
// So we'd better check the object returned by
|
||
// createRange() rather than by looking at the type.
|
||
if ( sel.createRange().parentElement() )
|
||
type = CKEDITOR.SELECTION_TEXT;
|
||
} catch ( e ) {}
|
||
|
||
return ( cache.type = type );
|
||
} : function() {
|
||
var cache = this._.cache;
|
||
if ( cache.type )
|
||
return cache.type;
|
||
|
||
var type = CKEDITOR.SELECTION_TEXT;
|
||
|
||
var sel = this.getNative();
|
||
|
||
if ( !( sel && sel.rangeCount ) )
|
||
type = CKEDITOR.SELECTION_NONE;
|
||
else if ( sel.rangeCount == 1 ) {
|
||
// Check if the actual selection is a control (IMG,
|
||
// TABLE, HR, etc...).
|
||
|
||
var range = sel.getRangeAt( 0 ),
|
||
startContainer = range.startContainer;
|
||
|
||
if ( startContainer == range.endContainer && startContainer.nodeType == 1 &&
|
||
( range.endOffset - range.startOffset ) == 1 &&
|
||
styleObjectElements[ startContainer.childNodes[ range.startOffset ].nodeName.toLowerCase() ] ) {
|
||
type = CKEDITOR.SELECTION_ELEMENT;
|
||
}
|
||
|
||
}
|
||
|
||
return ( cache.type = type );
|
||
},
|
||
|
||
/**
|
||
* Retrieves the {@link CKEDITOR.dom.range} instances that represent the current selection.
|
||
*
|
||
* Note: Some browsers return multiple ranges even for a continuous selection. Firefox, for example, returns
|
||
* one range for each table cell when one or more table rows are selected.
|
||
*
|
||
* var ranges = selection.getRanges();
|
||
* alert( ranges.length );
|
||
*
|
||
* @method
|
||
* @param {Boolean} [onlyEditables] If set to `true`, this function retrives editable ranges only.
|
||
* @returns {Array} Range instances that represent the current selection.
|
||
*/
|
||
getRanges: ( function() {
|
||
var func = isMSSelection ? ( function() {
|
||
function getNodeIndex( node ) {
|
||
return new CKEDITOR.dom.node( node ).getIndex();
|
||
}
|
||
|
||
// Finds the container and offset for a specific boundary
|
||
// of an IE range.
|
||
var getBoundaryInformation = function( range, start ) {
|
||
// Creates a collapsed range at the requested boundary.
|
||
range = range.duplicate();
|
||
range.collapse( start );
|
||
|
||
// Gets the element that encloses the range entirely.
|
||
var parent = range.parentElement();
|
||
|
||
// Empty parent element, e.g. <i>^</i>
|
||
if ( !parent.hasChildNodes() )
|
||
return { container: parent, offset: 0 };
|
||
|
||
var siblings = parent.children,
|
||
child, sibling,
|
||
testRange = range.duplicate(),
|
||
startIndex = 0,
|
||
endIndex = siblings.length - 1,
|
||
index = -1,
|
||
position, distance, container;
|
||
|
||
// Binary search over all element childs to test the range to see whether
|
||
// range is right on the boundary of one element.
|
||
while ( startIndex <= endIndex ) {
|
||
index = Math.floor( ( startIndex + endIndex ) / 2 );
|
||
child = siblings[ index ];
|
||
testRange.moveToElementText( child );
|
||
position = testRange.compareEndPoints( 'StartToStart', range );
|
||
|
||
if ( position > 0 )
|
||
endIndex = index - 1;
|
||
else if ( position < 0 )
|
||
startIndex = index + 1;
|
||
else
|
||
return { container: parent, offset: getNodeIndex( child ) };
|
||
}
|
||
|
||
// All childs are text nodes,
|
||
// or to the right hand of test range are all text nodes. (#6992)
|
||
if ( index == -1 || index == siblings.length - 1 && position < 0 ) {
|
||
// Adapt test range to embrace the entire parent contents.
|
||
testRange.moveToElementText( parent );
|
||
testRange.setEndPoint( 'StartToStart', range );
|
||
|
||
// IE report line break as CRLF with range.text but
|
||
// only LF with textnode.nodeValue, normalize them to avoid
|
||
// breaking character counting logic below. (#3949)
|
||
distance = testRange.text.replace( /(\r\n|\r)/g, '\n' ).length;
|
||
|
||
siblings = parent.childNodes;
|
||
|
||
// Actual range anchor right beside test range at the boundary of text node.
|
||
if ( !distance ) {
|
||
child = siblings[ siblings.length - 1 ];
|
||
|
||
if ( child.nodeType != CKEDITOR.NODE_TEXT )
|
||
return { container: parent, offset: siblings.length };
|
||
else
|
||
return { container: child, offset: child.nodeValue.length };
|
||
}
|
||
|
||
// Start the measuring until distance overflows, meanwhile count the text nodes.
|
||
var i = siblings.length;
|
||
while ( distance > 0 && i > 0 ) {
|
||
sibling = siblings[ --i ];
|
||
if ( sibling.nodeType == CKEDITOR.NODE_TEXT ) {
|
||
container = sibling;
|
||
distance -= sibling.nodeValue.length;
|
||
}
|
||
}
|
||
|
||
return { container: container, offset: -distance };
|
||
}
|
||
// Test range was one offset beyond OR behind the anchored text node.
|
||
else {
|
||
// Adapt one side of test range to the actual range
|
||
// for measuring the offset between them.
|
||
testRange.collapse( position > 0 ? true : false );
|
||
testRange.setEndPoint( position > 0 ? 'StartToStart' : 'EndToStart', range );
|
||
|
||
// IE report line break as CRLF with range.text but
|
||
// only LF with textnode.nodeValue, normalize them to avoid
|
||
// breaking character counting logic below. (#3949)
|
||
distance = testRange.text.replace( /(\r\n|\r)/g, '\n' ).length;
|
||
|
||
// Actual range anchor right beside test range at the inner boundary of text node.
|
||
if ( !distance )
|
||
return { container: parent, offset: getNodeIndex( child ) + ( position > 0 ? 0 : 1 ) };
|
||
|
||
// Start the measuring until distance overflows, meanwhile count the text nodes.
|
||
while ( distance > 0 ) {
|
||
try {
|
||
sibling = child[ position > 0 ? 'previousSibling' : 'nextSibling' ];
|
||
if ( sibling.nodeType == CKEDITOR.NODE_TEXT ) {
|
||
distance -= sibling.nodeValue.length;
|
||
container = sibling;
|
||
}
|
||
child = sibling;
|
||
}
|
||
// Measurement in IE could be somtimes wrong because of <select> element. (#4611)
|
||
catch ( e ) {
|
||
return { container: parent, offset: getNodeIndex( child ) };
|
||
}
|
||
}
|
||
|
||
return { container: container, offset: position > 0 ? -distance : container.nodeValue.length + distance };
|
||
}
|
||
};
|
||
|
||
return function() {
|
||
// IE doesn't have range support (in the W3C way), so we
|
||
// need to do some magic to transform selections into
|
||
// CKEDITOR.dom.range instances.
|
||
|
||
var sel = this.getNative(),
|
||
nativeRange = sel && sel.createRange(),
|
||
type = this.getType(),
|
||
range;
|
||
|
||
if ( !sel )
|
||
return [];
|
||
|
||
if ( type == CKEDITOR.SELECTION_TEXT ) {
|
||
range = new CKEDITOR.dom.range( this.root );
|
||
|
||
var boundaryInfo = getBoundaryInformation( nativeRange, true );
|
||
range.setStart( new CKEDITOR.dom.node( boundaryInfo.container ), boundaryInfo.offset );
|
||
|
||
boundaryInfo = getBoundaryInformation( nativeRange );
|
||
range.setEnd( new CKEDITOR.dom.node( boundaryInfo.container ), boundaryInfo.offset );
|
||
|
||
// Correct an invalid IE range case on empty list item. (#5850)
|
||
if ( range.endContainer.getPosition( range.startContainer ) & CKEDITOR.POSITION_PRECEDING && range.endOffset <= range.startContainer.getIndex() )
|
||
range.collapse();
|
||
|
||
return [ range ];
|
||
} else if ( type == CKEDITOR.SELECTION_ELEMENT ) {
|
||
var retval = [];
|
||
|
||
for ( var i = 0; i < nativeRange.length; i++ ) {
|
||
var element = nativeRange.item( i ),
|
||
parentElement = element.parentNode,
|
||
j = 0;
|
||
|
||
range = new CKEDITOR.dom.range( this.root );
|
||
|
||
for ( ; j < parentElement.childNodes.length && parentElement.childNodes[ j ] != element; j++ ) {
|
||
|
||
}
|
||
|
||
range.setStart( new CKEDITOR.dom.node( parentElement ), j );
|
||
range.setEnd( new CKEDITOR.dom.node( parentElement ), j + 1 );
|
||
retval.push( range );
|
||
}
|
||
|
||
return retval;
|
||
}
|
||
|
||
return [];
|
||
};
|
||
} )() :
|
||
function() {
|
||
// On browsers implementing the W3C range, we simply
|
||
// tranform the native ranges in CKEDITOR.dom.range
|
||
// instances.
|
||
|
||
var ranges = [],
|
||
range,
|
||
sel = this.getNative();
|
||
|
||
if ( !sel )
|
||
return ranges;
|
||
|
||
for ( var i = 0; i < sel.rangeCount; i++ ) {
|
||
var nativeRange = sel.getRangeAt( i );
|
||
|
||
range = new CKEDITOR.dom.range( this.root );
|
||
|
||
range.setStart( new CKEDITOR.dom.node( nativeRange.startContainer ), nativeRange.startOffset );
|
||
range.setEnd( new CKEDITOR.dom.node( nativeRange.endContainer ), nativeRange.endOffset );
|
||
ranges.push( range );
|
||
}
|
||
return ranges;
|
||
};
|
||
|
||
return function( onlyEditables ) {
|
||
var cache = this._.cache,
|
||
ranges = cache.ranges;
|
||
|
||
if ( !ranges )
|
||
cache.ranges = ranges = new CKEDITOR.dom.rangeList( func.call( this ) );
|
||
|
||
if ( !onlyEditables )
|
||
return ranges;
|
||
|
||
// Split range into multiple by read-only nodes.
|
||
// Clone ranges array to avoid changing cached ranges (#11493).
|
||
return extractEditableRanges( new CKEDITOR.dom.rangeList( ranges.slice() ) );
|
||
};
|
||
} )(),
|
||
|
||
/**
|
||
* Gets the DOM element in which the selection starts.
|
||
*
|
||
* var element = editor.getSelection().getStartElement();
|
||
* alert( element.getName() );
|
||
*
|
||
* @returns {CKEDITOR.dom.element} The element at the beginning of the selection.
|
||
*/
|
||
getStartElement: function() {
|
||
var cache = this._.cache;
|
||
if ( cache.startElement !== undefined )
|
||
return cache.startElement;
|
||
|
||
var node;
|
||
|
||
switch ( this.getType() ) {
|
||
case CKEDITOR.SELECTION_ELEMENT:
|
||
return this.getSelectedElement();
|
||
|
||
case CKEDITOR.SELECTION_TEXT:
|
||
|
||
var range = this.getRanges()[ 0 ];
|
||
|
||
if ( range ) {
|
||
if ( !range.collapsed ) {
|
||
range.optimize();
|
||
|
||
// Decrease the range content to exclude particial
|
||
// selected node on the start which doesn't have
|
||
// visual impact. ( #3231 )
|
||
while ( 1 ) {
|
||
var startContainer = range.startContainer,
|
||
startOffset = range.startOffset;
|
||
// Limit the fix only to non-block elements.(#3950)
|
||
if ( startOffset == ( startContainer.getChildCount ? startContainer.getChildCount() : startContainer.getLength() ) && !startContainer.isBlockBoundary() )
|
||
range.setStartAfter( startContainer );
|
||
else
|
||
break;
|
||
}
|
||
|
||
node = range.startContainer;
|
||
|
||
if ( node.type != CKEDITOR.NODE_ELEMENT )
|
||
return node.getParent();
|
||
|
||
node = node.getChild( range.startOffset );
|
||
|
||
if ( !node || node.type != CKEDITOR.NODE_ELEMENT )
|
||
node = range.startContainer;
|
||
else {
|
||
var child = node.getFirst();
|
||
while ( child && child.type == CKEDITOR.NODE_ELEMENT ) {
|
||
node = child;
|
||
child = child.getFirst();
|
||
}
|
||
}
|
||
} else {
|
||
node = range.startContainer;
|
||
if ( node.type != CKEDITOR.NODE_ELEMENT )
|
||
node = node.getParent();
|
||
}
|
||
|
||
node = node.$;
|
||
}
|
||
}
|
||
|
||
return cache.startElement = ( node ? new CKEDITOR.dom.element( node ) : null );
|
||
},
|
||
|
||
/**
|
||
* Gets the currently selected element.
|
||
*
|
||
* var element = editor.getSelection().getSelectedElement();
|
||
* alert( element.getName() );
|
||
*
|
||
* @returns {CKEDITOR.dom.element} The selected element. Null if no
|
||
* selection is available or the selection type is not {@link CKEDITOR#SELECTION_ELEMENT}.
|
||
*/
|
||
getSelectedElement: function() {
|
||
var cache = this._.cache;
|
||
if ( cache.selectedElement !== undefined )
|
||
return cache.selectedElement;
|
||
|
||
var self = this;
|
||
|
||
var node = CKEDITOR.tools.tryThese(
|
||
// Is it native IE control type selection?
|
||
function() {
|
||
return self.getNative().createRange().item( 0 );
|
||
},
|
||
// Figure it out by checking if there's a single enclosed
|
||
// node of the range.
|
||
function() {
|
||
var range = self.getRanges()[ 0 ].clone(),
|
||
enclosed, selected;
|
||
|
||
// Check first any enclosed element, e.g. <ul>[<li><a href="#">item</a></li>]</ul>
|
||
for ( var i = 2; i && !( ( enclosed = range.getEnclosedNode() ) && ( enclosed.type == CKEDITOR.NODE_ELEMENT ) && styleObjectElements[ enclosed.getName() ] && ( selected = enclosed ) ); i-- ) {
|
||
// Then check any deep wrapped element, e.g. [<b><i><img /></i></b>]
|
||
range.shrink( CKEDITOR.SHRINK_ELEMENT );
|
||
}
|
||
|
||
return selected && selected.$;
|
||
}
|
||
);
|
||
|
||
return cache.selectedElement = ( node ? new CKEDITOR.dom.element( node ) : null );
|
||
},
|
||
|
||
/**
|
||
* Retrieves the text contained within the range. An empty string is returned for non-text selection.
|
||
*
|
||
* var text = editor.getSelection().getSelectedText();
|
||
* alert( text );
|
||
*
|
||
* @since 3.6.1
|
||
* @returns {String} A string of text within the current selection.
|
||
*/
|
||
getSelectedText: function() {
|
||
var cache = this._.cache;
|
||
if ( cache.selectedText !== undefined )
|
||
return cache.selectedText;
|
||
|
||
var nativeSel = this.getNative(),
|
||
text = isMSSelection ? nativeSel.type == 'Control' ? '' : nativeSel.createRange().text : nativeSel.toString();
|
||
|
||
return ( cache.selectedText = text );
|
||
},
|
||
|
||
/**
|
||
* Locks the selection made in the editor in order to make it possible to
|
||
* manipulate it without browser interference. A locked selection is
|
||
* cached and remains unchanged until it is released with the {@link #unlock} method.
|
||
*
|
||
* editor.getSelection().lock();
|
||
*/
|
||
lock: function() {
|
||
// Call all cacheable function.
|
||
this.getRanges();
|
||
this.getStartElement();
|
||
this.getSelectedElement();
|
||
this.getSelectedText();
|
||
|
||
// The native selection is not available when locked.
|
||
this._.cache.nativeSel = null;
|
||
|
||
this.isLocked = 1;
|
||
},
|
||
|
||
/**
|
||
* @todo
|
||
*/
|
||
unlock: function( restore ) {
|
||
if ( !this.isLocked )
|
||
return;
|
||
|
||
if ( restore ) {
|
||
var selectedElement = this.getSelectedElement(),
|
||
ranges = !selectedElement && this.getRanges(),
|
||
faked = this.isFake;
|
||
}
|
||
|
||
this.isLocked = 0;
|
||
this.reset();
|
||
|
||
if ( restore ) {
|
||
// Saved selection may be outdated (e.g. anchored in offline nodes).
|
||
// Avoid getting broken by such.
|
||
var common = selectedElement || ranges[ 0 ] && ranges[ 0 ].getCommonAncestor();
|
||
if ( !( common && common.getAscendant( 'body', 1 ) ) )
|
||
return;
|
||
|
||
if ( faked )
|
||
this.fake( selectedElement );
|
||
else if ( selectedElement )
|
||
this.selectElement( selectedElement );
|
||
else
|
||
this.selectRanges( ranges );
|
||
}
|
||
},
|
||
|
||
/**
|
||
* Clears the selection cache.
|
||
*
|
||
* editor.getSelection().reset();
|
||
*/
|
||
reset: function() {
|
||
this._.cache = {};
|
||
this.isFake = 0;
|
||
|
||
var editor = this.root.editor;
|
||
|
||
// Invalidate any fake selection available in the editor.
|
||
if ( editor && editor._.fakeSelection ) {
|
||
// Test whether this selection is the one that was
|
||
// faked or its clone.
|
||
if ( this.rev == editor._.fakeSelection.rev ) {
|
||
delete editor._.fakeSelection;
|
||
|
||
removeHiddenSelectionContainer( editor );
|
||
}
|
||
else {
|
||
CKEDITOR.warn( 'selection-fake-reset' );
|
||
}
|
||
}
|
||
|
||
this.rev = nextRev++;
|
||
},
|
||
|
||
/**
|
||
* Makes the current selection of type {@link CKEDITOR#SELECTION_ELEMENT} by enclosing the specified element.
|
||
*
|
||
* var element = editor.document.getById( 'sampleElement' );
|
||
* editor.getSelection().selectElement( element );
|
||
*
|
||
* @param {CKEDITOR.dom.element} element The element to enclose in the selection.
|
||
*/
|
||
selectElement: function( element ) {
|
||
var range = new CKEDITOR.dom.range( this.root );
|
||
range.setStartBefore( element );
|
||
range.setEndAfter( element );
|
||
this.selectRanges( [ range ] );
|
||
},
|
||
|
||
/**
|
||
* Clears the original selection and adds the specified ranges to the document selection.
|
||
*
|
||
* // Move selection to the end of the editable element.
|
||
* var range = editor.createRange();
|
||
* range.moveToPosition( range.root, CKEDITOR.POSITION_BEFORE_END );
|
||
* editor.getSelection().selectRanges( [ ranges ] );
|
||
*
|
||
* @param {Array} ranges An array of {@link CKEDITOR.dom.range} instances
|
||
* representing ranges to be added to the document.
|
||
*/
|
||
selectRanges: function( ranges ) {
|
||
var editor = this.root.editor,
|
||
hadHiddenSelectionContainer = editor && editor._.hiddenSelectionContainer;
|
||
|
||
this.reset();
|
||
|
||
// Check if there's a hiddenSelectionContainer in editable at some index.
|
||
// Some ranges may be anchored after the hiddenSelectionContainer and,
|
||
// once the container is removed while resetting the selection, they
|
||
// may need new endOffset (one element less within the range) (#11021 #11393).
|
||
if ( hadHiddenSelectionContainer )
|
||
fixRangesAfterHiddenSelectionContainer( ranges, this.root );
|
||
|
||
if ( !ranges.length )
|
||
return;
|
||
|
||
// Refresh the locked selection.
|
||
if ( this.isLocked ) {
|
||
// making a new DOM selection will force the focus on editable in certain situation,
|
||
// we have to save the currently focused element for later recovery.
|
||
var focused = CKEDITOR.document.getActive();
|
||
this.unlock();
|
||
this.selectRanges( ranges );
|
||
this.lock();
|
||
// Return to the previously focused element.
|
||
focused && !focused.equals( this.root ) && focused.focus();
|
||
return;
|
||
}
|
||
|
||
// Handle special case - automatic fake selection on non-editable elements.
|
||
var receiver = getNonEditableFakeSelectionReceiver( ranges );
|
||
|
||
if ( receiver ) {
|
||
this.fake( receiver );
|
||
return;
|
||
}
|
||
|
||
if ( isMSSelection ) {
|
||
var notWhitespaces = CKEDITOR.dom.walker.whitespaces( true ),
|
||
fillerTextRegex = /\ufeff|\u00a0/,
|
||
nonCells = { table: 1, tbody: 1, tr: 1 };
|
||
|
||
if ( ranges.length > 1 ) {
|
||
// IE doesn't accept multiple ranges selection, so we join all into one.
|
||
var last = ranges[ ranges.length - 1 ];
|
||
ranges[ 0 ].setEnd( last.endContainer, last.endOffset );
|
||
}
|
||
|
||
var range = ranges[ 0 ];
|
||
var collapsed = range.collapsed,
|
||
isStartMarkerAlone, dummySpan, ieRange;
|
||
|
||
// Try to make a object selection, be careful with selecting phase element in IE
|
||
// will breaks the selection in non-framed environment.
|
||
var selected = range.getEnclosedNode();
|
||
if ( selected && selected.type == CKEDITOR.NODE_ELEMENT && selected.getName() in styleObjectElements &&
|
||
!( selected.is( 'a' ) && selected.getText() ) ) {
|
||
try {
|
||
ieRange = selected.$.createControlRange();
|
||
ieRange.addElement( selected.$ );
|
||
ieRange.select();
|
||
return;
|
||
} catch ( er ) {}
|
||
}
|
||
|
||
// IE doesn't support selecting the entire table row/cell, move the selection into cells, e.g.
|
||
// <table><tbody><tr>[<td>cell</b></td>... => <table><tbody><tr><td>[cell</td>...
|
||
if ( range.startContainer.type == CKEDITOR.NODE_ELEMENT && range.startContainer.getName() in nonCells ||
|
||
range.endContainer.type == CKEDITOR.NODE_ELEMENT && range.endContainer.getName() in nonCells ) {
|
||
range.shrink( CKEDITOR.NODE_ELEMENT, true );
|
||
// The range might get collapsed (#7975). Update cached variable.
|
||
collapsed = range.collapsed;
|
||
}
|
||
|
||
var bookmark = range.createBookmark();
|
||
|
||
// Create marker tags for the start and end boundaries.
|
||
var startNode = bookmark.startNode;
|
||
|
||
var endNode;
|
||
if ( !collapsed )
|
||
endNode = bookmark.endNode;
|
||
|
||
// Create the main range which will be used for the selection.
|
||
ieRange = range.document.$.body.createTextRange();
|
||
|
||
// Position the range at the start boundary.
|
||
ieRange.moveToElementText( startNode.$ );
|
||
ieRange.moveStart( 'character', 1 );
|
||
|
||
if ( endNode ) {
|
||
// Create a tool range for the end.
|
||
var ieRangeEnd = range.document.$.body.createTextRange();
|
||
|
||
// Position the tool range at the end.
|
||
ieRangeEnd.moveToElementText( endNode.$ );
|
||
|
||
// Move the end boundary of the main range to match the tool range.
|
||
ieRange.setEndPoint( 'EndToEnd', ieRangeEnd );
|
||
ieRange.moveEnd( 'character', -1 );
|
||
} else {
|
||
// The isStartMarkerAlone logic comes from V2. It guarantees that the lines
|
||
// will expand and that the cursor will be blinking on the right place.
|
||
// Actually, we are using this flag just to avoid using this hack in all
|
||
// situations, but just on those needed.
|
||
var next = startNode.getNext( notWhitespaces );
|
||
var inPre = startNode.hasAscendant( 'pre' );
|
||
isStartMarkerAlone = ( !( next && next.getText && next.getText().match( fillerTextRegex ) ) && // already a filler there?
|
||
( inPre || !startNode.hasPrevious() || ( startNode.getPrevious().is && startNode.getPrevious().is( 'br' ) ) ) );
|
||
|
||
// Append a temporary <span></span> before the selection.
|
||
// This is needed to avoid IE destroying selections inside empty
|
||
// inline elements, like <b></b> (#253).
|
||
// It is also needed when placing the selection right after an inline
|
||
// element to avoid the selection moving inside of it.
|
||
dummySpan = range.document.createElement( 'span' );
|
||
dummySpan.setHtml( '' ); // Zero Width No-Break Space (U+FEFF). See #1359.
|
||
dummySpan.insertBefore( startNode );
|
||
|
||
if ( isStartMarkerAlone ) {
|
||
// To expand empty blocks or line spaces after <br>, we need
|
||
// instead to have any char, which will be later deleted using the
|
||
// selection.
|
||
// \ufeff = Zero Width No-Break Space (U+FEFF). (#1359)
|
||
range.document.createText( '\ufeff' ).insertBefore( startNode );
|
||
}
|
||
}
|
||
|
||
// Remove the markers (reset the position, because of the changes in the DOM tree).
|
||
range.setStartBefore( startNode );
|
||
startNode.remove();
|
||
|
||
if ( collapsed ) {
|
||
if ( isStartMarkerAlone ) {
|
||
// Move the selection start to include the temporary \ufeff.
|
||
ieRange.moveStart( 'character', -1 );
|
||
|
||
ieRange.select();
|
||
|
||
// Remove our temporary stuff.
|
||
range.document.$.selection.clear();
|
||
} else {
|
||
ieRange.select();
|
||
}
|
||
|
||
range.moveToPosition( dummySpan, CKEDITOR.POSITION_BEFORE_START );
|
||
dummySpan.remove();
|
||
} else {
|
||
range.setEndBefore( endNode );
|
||
endNode.remove();
|
||
ieRange.select();
|
||
}
|
||
} else {
|
||
var sel = this.getNative();
|
||
|
||
// getNative() returns null if iframe is "display:none" in FF. (#6577)
|
||
if ( !sel )
|
||
return;
|
||
|
||
this.removeAllRanges();
|
||
|
||
for ( var i = 0; i < ranges.length; i++ ) {
|
||
// Joining sequential ranges introduced by
|
||
// readonly elements protection.
|
||
if ( i < ranges.length - 1 ) {
|
||
var left = ranges[ i ],
|
||
right = ranges[ i + 1 ],
|
||
between = left.clone();
|
||
between.setStart( left.endContainer, left.endOffset );
|
||
between.setEnd( right.startContainer, right.startOffset );
|
||
|
||
// Don't confused by Firefox adjancent multi-ranges
|
||
// introduced by table cells selection.
|
||
if ( !between.collapsed ) {
|
||
between.shrink( CKEDITOR.NODE_ELEMENT, true );
|
||
var ancestor = between.getCommonAncestor(),
|
||
enclosed = between.getEnclosedNode();
|
||
|
||
// The following cases has to be considered:
|
||
// 1. <span contenteditable="false">[placeholder]</span>
|
||
// 2. <input contenteditable="false" type="radio"/> (#6621)
|
||
if ( ancestor.isReadOnly() || enclosed && enclosed.isReadOnly() ) {
|
||
right.setStart( left.startContainer, left.startOffset );
|
||
ranges.splice( i--, 1 );
|
||
continue;
|
||
}
|
||
}
|
||
}
|
||
|
||
range = ranges[ i ];
|
||
|
||
var nativeRange = this.document.$.createRange();
|
||
|
||
if ( range.collapsed && CKEDITOR.env.webkit && rangeRequiresFix( range ) ) {
|
||
// Append a zero-width space so WebKit will not try to
|
||
// move the selection by itself (#1272).
|
||
var fillingChar = createFillingCharSequenceNode( this.root );
|
||
range.insertNode( fillingChar );
|
||
|
||
next = fillingChar.getNext();
|
||
|
||
// If the filling char is followed by a <br>, whithout
|
||
// having something before it, it'll not blink.
|
||
// Let's remove it in this case.
|
||
if ( next && !fillingChar.getPrevious() && next.type == CKEDITOR.NODE_ELEMENT && next.getName() == 'br' ) {
|
||
removeFillingCharSequenceNode( this.root );
|
||
range.moveToPosition( next, CKEDITOR.POSITION_BEFORE_START );
|
||
} else {
|
||
range.moveToPosition( fillingChar, CKEDITOR.POSITION_AFTER_END );
|
||
}
|
||
}
|
||
|
||
nativeRange.setStart( range.startContainer.$, range.startOffset );
|
||
|
||
try {
|
||
nativeRange.setEnd( range.endContainer.$, range.endOffset );
|
||
} catch ( e ) {
|
||
// There is a bug in Firefox implementation (it would be too easy
|
||
// otherwise). The new start can't be after the end (W3C says it can).
|
||
// So, let's create a new range and collapse it to the desired point.
|
||
if ( e.toString().indexOf( 'NS_ERROR_ILLEGAL_VALUE' ) >= 0 ) {
|
||
range.collapse( 1 );
|
||
nativeRange.setEnd( range.endContainer.$, range.endOffset );
|
||
} else {
|
||
throw e;
|
||
}
|
||
}
|
||
|
||
// Select the range.
|
||
sel.addRange( nativeRange );
|
||
}
|
||
}
|
||
|
||
this.reset();
|
||
|
||
// Fakes the IE DOM event "selectionchange" on editable.
|
||
this.root.fire( 'selectionchange' );
|
||
},
|
||
|
||
/**
|
||
* Makes a "fake selection" of an element.
|
||
*
|
||
* A fake selection does not render UI artifacts over the selected
|
||
* element. Additionally, the browser native selection system is not
|
||
* aware of the fake selection. In practice, the native selection is
|
||
* moved to a hidden place where no native selection UI artifacts are
|
||
* displayed to the user.
|
||
*
|
||
* @param {CKEDITOR.dom.element} element The element to be "selected".
|
||
* @param {String} [ariaLabel] A string to be used by the screen reader to describe the selection.
|
||
*/
|
||
fake: function( element, ariaLabel ) {
|
||
var editor = this.root.editor;
|
||
|
||
// Attempt to retreive aria-label if possible (#14539).
|
||
if ( ariaLabel === undefined && element.hasAttribute( 'aria-label' ) ) {
|
||
ariaLabel = element.getAttribute( 'aria-label' );
|
||
}
|
||
|
||
// Cleanup after previous selection - e.g. remove hidden sel container.
|
||
this.reset();
|
||
|
||
hideSelection( editor, ariaLabel );
|
||
|
||
// Set this value after executing hiseSelection, because it may
|
||
// cause reset() which overwrites cache.
|
||
var cache = this._.cache;
|
||
|
||
// Caches a range than holds the element.
|
||
var range = new CKEDITOR.dom.range( this.root );
|
||
range.setStartBefore( element );
|
||
range.setEndAfter( element );
|
||
cache.ranges = new CKEDITOR.dom.rangeList( range );
|
||
|
||
// Put this element in the cache.
|
||
cache.selectedElement = cache.startElement = element;
|
||
cache.type = CKEDITOR.SELECTION_ELEMENT;
|
||
|
||
// Properties that will not be available when isFake.
|
||
cache.selectedText = cache.nativeSel = null;
|
||
|
||
this.isFake = 1;
|
||
this.rev = nextRev++;
|
||
|
||
// Save this selection, so it can be returned by editor.getSelection().
|
||
editor._.fakeSelection = this;
|
||
|
||
// Fire selectionchange, just like a normal selection.
|
||
this.root.fire( 'selectionchange' );
|
||
},
|
||
|
||
/**
|
||
* Checks whether selection is placed in hidden element.
|
||
*
|
||
* This method is to be used to verify whether fake selection
|
||
* (see {@link #fake}) is still hidden.
|
||
*
|
||
* **Note:** this method should be executed on real selection - e.g.:
|
||
*
|
||
* editor.getSelection( true ).isHidden();
|
||
*
|
||
* @returns {Boolean}
|
||
*/
|
||
isHidden: function() {
|
||
var el = this.getCommonAncestor();
|
||
|
||
if ( el && el.type == CKEDITOR.NODE_TEXT )
|
||
el = el.getParent();
|
||
|
||
return !!( el && el.data( 'cke-hidden-sel' ) );
|
||
},
|
||
|
||
/**
|
||
* Creates a bookmark for each range of this selection (from {@link #getRanges})
|
||
* by calling the {@link CKEDITOR.dom.range#createBookmark} method,
|
||
* with extra care taken to avoid interference among those ranges. The arguments
|
||
* received are the same as with the underlying range method.
|
||
*
|
||
* var bookmarks = editor.getSelection().createBookmarks();
|
||
*
|
||
* @returns {Array} Array of bookmarks for each range.
|
||
*/
|
||
createBookmarks: function( serializable ) {
|
||
var bookmark = this.getRanges().createBookmarks( serializable );
|
||
this.isFake && ( bookmark.isFake = 1 );
|
||
return bookmark;
|
||
},
|
||
|
||
/**
|
||
* Creates a bookmark for each range of this selection (from {@link #getRanges})
|
||
* by calling the {@link CKEDITOR.dom.range#createBookmark2} method,
|
||
* with extra care taken to avoid interference among those ranges. The arguments
|
||
* received are the same as with the underlying range method.
|
||
*
|
||
* var bookmarks = editor.getSelection().createBookmarks2();
|
||
*
|
||
* @returns {Array} Array of bookmarks for each range.
|
||
*/
|
||
createBookmarks2: function( normalized ) {
|
||
var bookmark = this.getRanges().createBookmarks2( normalized );
|
||
this.isFake && ( bookmark.isFake = 1 );
|
||
return bookmark;
|
||
},
|
||
|
||
/**
|
||
* Selects the virtual ranges denoted by the bookmarks by calling {@link #selectRanges}.
|
||
*
|
||
* var bookmarks = editor.getSelection().createBookmarks();
|
||
* editor.getSelection().selectBookmarks( bookmarks );
|
||
*
|
||
* @param {Array} bookmarks The bookmarks representing ranges to be selected.
|
||
* @returns {CKEDITOR.dom.selection} This selection object, after the ranges were selected.
|
||
*/
|
||
selectBookmarks: function( bookmarks ) {
|
||
var ranges = [],
|
||
node;
|
||
|
||
for ( var i = 0; i < bookmarks.length; i++ ) {
|
||
var range = new CKEDITOR.dom.range( this.root );
|
||
range.moveToBookmark( bookmarks[ i ] );
|
||
ranges.push( range );
|
||
}
|
||
|
||
// It may happen that the content change during loading, before selection is set so bookmark leads to text node.
|
||
if ( bookmarks.isFake ) {
|
||
node = ranges[ 0 ].getEnclosedNode();
|
||
if ( !node || node.type != CKEDITOR.NODE_ELEMENT ) {
|
||
CKEDITOR.warn( 'selection-not-fake' );
|
||
bookmarks.isFake = 0;
|
||
}
|
||
}
|
||
|
||
if ( bookmarks.isFake )
|
||
this.fake( node );
|
||
else
|
||
this.selectRanges( ranges );
|
||
|
||
return this;
|
||
},
|
||
|
||
/**
|
||
* Retrieves the common ancestor node of the first range and the last range.
|
||
*
|
||
* var ancestor = editor.getSelection().getCommonAncestor();
|
||
*
|
||
* @returns {CKEDITOR.dom.element} The common ancestor of the selection or `null` if selection is empty.
|
||
*/
|
||
getCommonAncestor: function() {
|
||
var ranges = this.getRanges();
|
||
if ( !ranges.length )
|
||
return null;
|
||
|
||
var startNode = ranges[ 0 ].startContainer,
|
||
endNode = ranges[ ranges.length - 1 ].endContainer;
|
||
return startNode.getCommonAncestor( endNode );
|
||
},
|
||
|
||
/**
|
||
* Moves the scrollbar to the starting position of the current selection.
|
||
*
|
||
* editor.getSelection().scrollIntoView();
|
||
*/
|
||
scrollIntoView: function() {
|
||
// Scrolls the first range into view.
|
||
if ( this.type != CKEDITOR.SELECTION_NONE )
|
||
this.getRanges()[ 0 ].scrollIntoView();
|
||
},
|
||
|
||
/**
|
||
* Remove all the selection ranges from the document.
|
||
*/
|
||
removeAllRanges: function() {
|
||
// Don't clear selection outside this selection's root (#11500).
|
||
if ( this.getType() == CKEDITOR.SELECTION_NONE )
|
||
return;
|
||
|
||
var nativ = this.getNative();
|
||
|
||
try {
|
||
nativ && nativ[ isMSSelection ? 'empty' : 'removeAllRanges' ]();
|
||
} catch ( er ) {}
|
||
|
||
this.reset();
|
||
}
|
||
};
|
||
|
||
} )();
|
||
|
||
|
||
/**
|
||
* Fired when selection inside editor has been changed. Note that this event
|
||
* is fired only when selection's start element (container of a selecion start)
|
||
* changes, not on every possible selection change. Thanks to that `selectionChange`
|
||
* is fired less frequently, but on every context
|
||
* (the {@link CKEDITOR.editor#elementPath elements path} holding selection's start) change.
|
||
*
|
||
* @event selectionChange
|
||
* @member CKEDITOR.editor
|
||
* @param {CKEDITOR.editor} editor This editor instance.
|
||
* @param data
|
||
* @param {CKEDITOR.dom.selection} data.selection
|
||
* @param {CKEDITOR.dom.elementPath} data.path
|
||
*/
|
||
|
||
/**
|
||
* Selection's revision. This value is incremented every time new
|
||
* selection is created or existing one is modified.
|
||
*
|
||
* @since 4.3
|
||
* @readonly
|
||
* @property {Number} rev
|
||
*/
|
||
|
||
/**
|
||
* Document in which selection is anchored.
|
||
*
|
||
* @readonly
|
||
* @property {CKEDITOR.dom.document} document
|
||
*/
|
||
|
||
/**
|
||
* Selection's root element.
|
||
*
|
||
* @readonly
|
||
* @property {CKEDITOR.dom.element} root
|
||
*/
|
||
|
||
/**
|
||
* Whether selection is locked (cannot be modified).
|
||
*
|
||
* See {@link #lock} and {@link #unlock} methods.
|
||
*
|
||
* @readonly
|
||
* @property {Boolean} isLocked
|
||
*/
|
||
|
||
/**
|
||
* Whether selection is a fake selection.
|
||
*
|
||
* See {@link #fake} method.
|
||
*
|
||
* @readonly
|
||
* @property {Boolean} isFake
|
||
*/
|