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editable.js
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editable.js
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/**
* @license Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or http://ckeditor.com/license
*/
(function() {
/**
* Editable class which provides all editing related activities by
* the `contenteditable` element, dynamically get attached to editor instance.
*
* @class CKEDITOR.editable
* @extends CKEDITOR.dom.element
*/
CKEDITOR.editable = CKEDITOR.tools.createClass({
base: CKEDITOR.dom.element,
/**
* The constructor hold only generic editable creation logic that are commonly shared among all different editable elements.
*
* @constructor Creates an editable class instance.
* @param {CKEDITOR.editor} editor The editor instance on which the editable operates.
* @param {HTMLElement/CKEDITOR.dom.element} element Any DOM element that been used as the editor's
* editing container, e.g. it could be either an HTML element with the `contenteditable` attribute
* set to the true that handles wysiwyg editing or a `<textarea>` element that handles source editing.
*/
$: function( editor, element ) {
// Transform the element into a CKEDITOR.dom.element instance.
this.base( element.$ || element );
this.editor = editor;
/**
* Indicate whether the editable element has gained focus.
*
* @property {Boolean} hasFocus
*/
this.hasFocus = false;
// The bootstrapping logic.
this.setup();
},
proto: {
focus: function() {
// [IE] Use instead "setActive" method to focus the editable if it belongs to
// the host page document, to avoid bringing an unexpected scroll.
this.$[ CKEDITOR.env.ie && this.getDocument().equals( CKEDITOR.document ) ? 'setActive' : 'focus' ]();
// Remedy if Safari doens't applies focus properly. (#279)
if ( CKEDITOR.env.safari && !this.isInline() ) {
var active = CKEDITOR.document.getActive();
if ( !active.equals( this.getWindow().getFrame() ) ) {
this.getWindow().focus();
}
}
},
/**
* Overrides {@link CKEDITOR.dom.element#on} to have special `focus/blur` handling.
* The `focusin/focusout` events are used in IE to replace regular `focus/blur` events
* because we want to avoid the asynchronous nature of later ones.
*/
on: function( name, fn ) {
var args = Array.prototype.slice.call( arguments, 0 );
if ( CKEDITOR.env.ie && ( /^focus|blur$/ ).exec( name ) ) {
name = name == 'focus' ? 'focusin' : 'focusout';
// The "focusin/focusout" events bubbled, e.g. If there are elements with layout
// they fire this event when clicking in to edit them but it must be ignored
// to allow edit their contents. (#4682)
fn = isNotBubbling( fn, this );
args[ 0 ] = name;
args[ 1 ] = fn;
}
return CKEDITOR.dom.element.prototype.on.apply( this, args );
},
/**
* Registers an event listener that needs to be removed on detaching.
*
* @see CKEDITOR.event#on
*/
attachListener: function( obj, event, fn, scope, listenerData, priority ) {
!this._.listeners && ( this._.listeners = [] );
// Register the listener.
var args = Array.prototype.slice.call( arguments, 1 );
this._.listeners.push( obj.on.apply( obj, args ) );
},
/**
* Remove all event listeners registered from {@link #attachListener}.
*/
clearListeners: function() {
var listeners = this._.listeners;
// Don't get broken by this.
try {
while ( listeners.length )
listeners.pop().removeListener();
} catch ( e ) {}
},
/**
* Restore all attribution changes made by {@link #changeAttr }.
*/
restoreAttrs : function() {
var changes = this._.attrChanges, orgVal;
for ( var attr in changes )
{
if ( changes.hasOwnProperty( attr ) )
{
orgVal = changes[ attr ];
// Restore original attribute.
orgVal !== null ? this.setAttribute( attr, orgVal ) : this.removeAttribute( attr );
}
}
},
/**
* Adds a CSS class name to this editable that needs to be removed on detaching.
*
* @param {String} className The class name to be added.
* @see CKEDITOR.dom.element#addClass
*/
attachClass: function( cls ) {
var classes = this.getCustomData( 'classes' );
if ( !this.hasClass( cls ) ) {
!classes && ( classes = [] ), classes.push( cls );
this.setCustomData( 'classes', classes );
this.addClass( cls );
}
},
/**
* Make an attribution change that would be reverted on editable detaching.
* @param {String} attr The attribute name to be changed.
* @param {String} val The value of specified attribute.
*/
changeAttr : function( attr, val ) {
var orgVal = this.getAttribute( attr );
if ( val !== orgVal )
{
!this._.attrChanges && ( this._.attrChanges = {} );
// Saved the original attribute val.
if ( !( attr in this._.attrChanges ) )
this._.attrChanges[ attr ] = orgVal;
this.setAttribute( attr, val );
}
},
/**
* @see CKEDITOR.editor#insertHtml
*/
insertHtml: function( data, mode ) {
beforeInsert( this );
// Default mode is 'html'.
insert( this, mode || 'html', data );
},
/**
* @see CKEDITOR.editor#insertText
*/
insertText: function( text ) {
beforeInsert( this );
var editor = this.editor,
mode = editor.getSelection().getStartElement().hasAscendant( 'pre', true ) ? CKEDITOR.ENTER_BR : editor.config.enterMode,
isEnterBrMode = mode == CKEDITOR.ENTER_BR,
tools = CKEDITOR.tools;
// CRLF -> LF
var html = tools.htmlEncode( text.replace( /\r\n/g, '\n' ) );
// Tab ->   x 4;
html = html.replace( /\t/g, ' ' );
var paragraphTag = mode == CKEDITOR.ENTER_P ? 'p' : 'div';
// Two line-breaks create one paragraphing block.
if ( !isEnterBrMode ) {
var duoLF = /\n{2}/g;
if ( duoLF.test( html ) )
{
var openTag = '<' + paragraphTag + '>', endTag = '</' + paragraphTag + '>';
html = openTag + html.replace( duoLF, function() { return endTag + openTag; } ) + endTag;
}
}
// One <br> per line-break.
html = html.replace( /\n/g, '<br>' );
// Compensate padding <br> at the end of block, avoid loosing them during insertion.
if ( !isEnterBrMode ) {
html = html.replace( new RegExp( '<br>(?=</' + paragraphTag + '>)' ), function( match ) {
return tools.repeat( match, 2 );
});
}
// Preserve spaces at the ends, so they won't be lost after insertion (merged with adjacent ones).
html = html.replace( /^ | $/g, ' ' );
// Finally, preserve whitespaces that are to be lost.
html = html.replace( /(>|\s) /g, function( match, before ) {
return before + ' ';
} ).replace( / (?=<)/g, ' ' );
insert( this, 'text', html );
},
/**
* @see CKEDITOR.editor#insertElement
*/
insertElement: function( element ) {
beforeInsert( this );
var editor = this.editor,
enterMode = editor.config.enterMode,
selection = editor.getSelection(),
ranges = selection.getRanges(),
elementName = element.getName(),
isBlock = CKEDITOR.dtd.$block[ elementName ];
var range, clone, lastElement;
for ( var i = ranges.length - 1; i >= 0; i-- ) {
range = ranges[ i ];
if ( !range.checkReadOnly() ) {
// Remove the original contents, merge split nodes.
range.deleteContents( 1 );
clone = !i && element || element.clone( 1 );
// If we're inserting a block at dtd-violated position, split
// the parent blocks until we reach blockLimit.
var current, dtd;
if ( isBlock ) {
while ( ( current = range.getCommonAncestor( 0, 1 ) ) &&
( dtd = CKEDITOR.dtd[ current.getName() ] ) &&
!( dtd && dtd[ elementName ] ) ) {
// Split up inline elements.
if ( current.getName() in CKEDITOR.dtd.span )
range.splitElement( current );
// If we're in an empty block which indicate a new paragraph,
// simply replace it with the inserting block.(#3664)
else if ( range.checkStartOfBlock() && range.checkEndOfBlock() ) {
range.setStartBefore( current );
range.collapse( true );
current.remove();
} else
range.splitBlock( enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p', editor.editable() );
}
}
// Insert the new node.
range.insertNode( clone );
// Save the last element reference so we can make the
// selection later.
if ( !lastElement )
lastElement = clone;
}
}
if ( lastElement ) {
range.moveToPosition( lastElement, CKEDITOR.POSITION_AFTER_END );
// If we're inserting a block element, the new cursor position must be
// optimized. (#3100,#5436,#8950)
if ( isBlock ) {
var next = lastElement.getNext( isNotEmpty );
if ( next && next.type == CKEDITOR.NODE_ELEMENT &&
next.is( CKEDITOR.dtd.$block ) ) {
// If the next one is a text block, move cursor to the start of it's content.
if ( next.getDtd()[ '#' ] )
range.moveToElementEditStart( next );
// Otherwise move cursor to the before end of the last element.
else
range.moveToElementEditEnd( lastElement );
}
// Open a new line if the block is inserted at the end of parent.
else if ( !next && enterMode != CKEDITOR.ENTER_BR ) {
next = range.fixBlock( true, enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' );
range.moveToElementEditStart( next );
}
}
}
selection.selectRanges( [ range ] );
// Do not scroll after inserting, because Opera may fail on certain element (e.g. iframe/iframe.html).
afterInsert( this, CKEDITOR.env.opera );
},
/**
* @see CKEDITOR.editor#setData
*/
setData: function( data, isSnapshot ) {
if ( !isSnapshot && this.editor.dataProcessor )
data = this.editor.dataProcessor.toHtml( data );
this.setHtml( data );
this.editor.fire( 'dataReady' );
},
/**
* @see CKEDITOR.editor#getData
*/
getData: function( isSnapshot ) {
var data = this.getHtml();
if ( !isSnapshot && this.editor.dataProcessor )
data = this.editor.dataProcessor.toDataFormat( data );
return data;
},
/**
* Change the read-only state on this editable.
*
* @param {Boolean} isReadOnly
*/
setReadOnly: function( isReadOnly ) {
this.setAttribute( 'contenteditable', !isReadOnly );
},
/**
* Detach this editable object from the DOM (remove classes, listeners, etc.)
*/
detach: function() {
// Cleanup the element.
this.removeClass( 'cke_editable' );
// Save the editor reference which will be lost after
// calling detach from super class.
var editor = this.editor;
this._.detach();
delete editor.document;
delete editor.window;
},
/**
* Check if the editable is one of the host page element, indicates the
* an inline editing environment.
*
* @returns {Boolean}
*/
isInline : function () {
return this.getDocument().equals( CKEDITOR.document );
},
/**
* Editable element bootstrapping.
*
* @private
*/
setup: function() {
var editor = this.editor;
// Handle the load/read of editor data/snapshot.
this.attachListener( editor, 'beforeGetData', function() {
var data = this.getData();
// Post processing html output of wysiwyg editable.
if ( !this.is( 'textarea' ) ) {
// Reset empty if the document contains only one empty paragraph.
if ( editor.config.ignoreEmptyParagraph !== false )
data = data.replace( emptyParagraphRegexp, function( match, lookback ) { return lookback; } );
}
editor.setData( data, null, 1 );
}, this );
this.attachListener( editor, 'getSnapshot', function( evt ) {
evt.data = this.getData( 1 );
}, this );
this.attachListener( editor, 'afterSetData', function() {
this.setData( editor.getData( 1 ) );
}, this );
this.attachListener( editor, 'loadSnapshot', function( evt ) {
this.setData( evt.data, 1 );
}, this );
// Delegate editor focus/blur to editable.
this.attachListener( editor, 'beforeFocus', function() {
var sel = editor.getSelection(),
ieSel = sel && sel.getNative();
// IE considers control-type element as separate
// focus host when selected, avoid destroying the
// selection in such case. (#5812) (#8949)
if ( ieSel && ieSel.type == 'Control' )
return;
this.focus();
}, this );
this.attachListener( editor, 'insertHtml', function( evt ) {
this.insertHtml( evt.data.dataValue, evt.data.mode );
}, this );
this.attachListener( editor, 'insertElement', function( evt ) {
this.insertElement( evt.data );
}, this );
this.attachListener( editor, 'insertText', function( evt ) {
this.insertText( evt.data );
}, this );
// Update editable state.
this.setReadOnly( editor.readOnly );
// The editable class.
this.attachClass( 'cke_editable' );
// The element mode css class.
this.attachClass( editor.elementMode == CKEDITOR.ELEMENT_MODE_INLINE ?
'cke_editable_inline' :
editor.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE ||
editor.elementMode == CKEDITOR.ELEMENT_MODE_APPENDTO ?
'cke_editable_themed' : ''
);
this.attachClass( 'cke_contents_' + editor.config.contentsLangDirection );
// Setup editor keystroke handlers on this element.
var keystrokeHandler = editor.keystrokeHandler;
// If editor is read-only, then make sure that BACKSPACE key
// is blocked to prevent browser history navigation.
keystrokeHandler.blockedKeystrokes[ 8 ] = +editor.readOnly;
editor.keystrokeHandler.attach( this );
// Update focus states.
this.on( 'blur', function( evt ) {
// Opera might raise undesired blur event on editable, check if it's
// really blurred, otherwise cancel the event. (#9459)
if ( CKEDITOR.env.opera ) {
var active = CKEDITOR.document.getActive();
if ( active.equals( this.isInline() ? this : this.getWindow().getFrame() ) ) {
evt.cancel();
return;
}
}
this.hasFocus = false;
}, null, null, -1 );
this.on( 'focus', function() {
this.hasFocus = true;
}, null, null, -1 );
// Register to focus manager.
editor.focusManager.add( this );
// Inherit the initial focus on editable element.
if ( this.equals( CKEDITOR.document.getActive() ) ) {
this.hasFocus = true;
// Pending until this editable has attached.
editor.once( 'contentDom', function() {
editor.focusManager.focus();
});
}
// Apply tab index on demand, with original direction saved.
if ( this.isInline() ) {
// tabIndex of the editable is different than editor's one.
// Update the attribute of the editable.
this.changeAttr( 'tabindex', editor.tabIndex );
}
// The above is all we'll be doing for a <textarea> editable.
if ( this.is( 'textarea' ) )
return;
// The DOM document which the editing acts upon.
editor.document = this.getDocument();
editor.window = this.getWindow();
var doc = editor.document;
this.changeAttr( 'spellcheck', !editor.config.disableNativeSpellChecker );
// Apply contents direction on demand, with original direction saved.
var dir = editor.config.contentsLangDirection;
if ( this.getDirection( 1 ) != dir )
this.changeAttr( 'dir', dir );
// Create the content stylesheet for this document.
var styles = CKEDITOR.getCss();
if ( styles ) {
var head = doc.getHead();
if ( !head.getCustomData( 'stylesheet' ) ) {
var sheet = doc.appendStyleText( styles );
sheet = new CKEDITOR.dom.element( sheet.ownerNode || sheet.owningElement );
head.setCustomData( 'stylesheet', sheet );
sheet.data( 'cke-temp', 1 );
}
}
// Update the stylesheet sharing count.
var ref = doc.getCustomData( 'stylesheet_ref' ) || 0;
doc.setCustomData( 'stylesheet_ref', ref + 1 );
// Pass this configuration to styles system.
this.setCustomData( 'cke_includeReadonly', !editor.config.disableReadonlyStyling );
// Prevent the browser opening read-only links. (#6032)
this.attachListener( this, 'click', function( ev ) {
ev = ev.data;
var target = ev.getTarget();
if ( target.is( 'a' ) && ev.$.button != 2 && target.isReadOnly() )
ev.preventDefault();
});
// Override keystrokes which should have deletion behavior
// on fully selected element . (#4047) (#7645)
this.attachListener( editor, 'key', function( evt ) {
if ( editor.readOnly )
return true;
var keyCode = evt.data.keyCode, isHandled;
// Backspace OR Delete.
if ( keyCode in { 8:1,46:1 } ) {
var sel = editor.getSelection(),
selected,
range = sel.getRanges()[ 0 ],
path = range.startPath(),
block,
parent,
next,
rtl = keyCode == 8;
// Remove the entire list/table on fully selected content. (#7645)
if ( ( selected = getSelectedTableList( sel ) ) ) {
// Make undo snapshot.
editor.fire( 'saveSnapshot' );
// Delete any element that 'hasLayout' (e.g. hr,table) in IE8 will
// break up the selection, safely manage it here. (#4795)
range.moveToPosition( selected, CKEDITOR.POSITION_BEFORE_START );
// Remove the control manually.
selected.remove();
range.select();
editor.fire( 'saveSnapshot' );
isHandled = 1;
}
else if ( range.collapsed )
{
// Handle the following special cases: (#6217)
// 1. Del/Backspace key before/after table;
// 2. Backspace Key after start of table.
if ( ( block = path.block ) &&
range[ rtl ? 'checkStartOfBlock' : 'checkEndOfBlock' ]() &&
( next = block[ rtl ? 'getPrevious' : 'getNext' ]( isNotWhitespace ) ) &&
next.is( 'table' ) )
{
editor.fire( 'saveSnapshot' );
// Remove the current empty block.
if ( range[ rtl ? 'checkEndOfBlock' : 'checkStartOfBlock' ]() )
block.remove();
// Move cursor to the beginning/end of table cell.
range[ 'moveToElementEdit' + ( rtl ? 'End' : 'Start' ) ]( next );
range.select();
editor.fire( 'saveSnapshot' );
isHandled = 1;
}
else if ( path.blockLimit && path.blockLimit.is( 'td' ) &&
( parent = path.blockLimit.getAscendant( 'table' ) ) &&
range.checkBoundaryOfElement( parent, rtl ? CKEDITOR.START : CKEDITOR.END ) &&
( next = parent[ rtl ? 'getPrevious' : 'getNext' ]( isNotWhitespace ) ) )
{
editor.fire( 'saveSnapshot' );
// Move cursor to the end of previous block.
range[ 'moveToElementEdit' + ( rtl ? 'End' : 'Start' ) ]( next );
// Remove any previous empty block.
if ( range.checkStartOfBlock() && range.checkEndOfBlock() )
next.remove();
else
range.select();
editor.fire( 'saveSnapshot' );
isHandled = 1;
}
// BACKSPACE/DEL pressed at the start/end of table cell.
else if ( ( parent = path.contains( [ 'td', 'th', 'caption' ] ) ) &&
range.checkBoundaryOfElement( parent, rtl ? CKEDITOR.START : CKEDITOR.END ) ) {
isHandled = 1;
}
}
}
return !isHandled;
});
// Prevent automatic submission in IE #6336
CKEDITOR.env.ie && this.attachListener( this, 'click', blockInputClick );
// Gecko/Webkit need some help when selecting control type elements. (#3448)
if ( !( CKEDITOR.env.ie || CKEDITOR.env.opera ) ) {
this.attachListener( this, 'mousedown', function( ev ) {
var control = ev.data.getTarget();
if ( control.is( 'img', 'hr', 'input', 'textarea', 'select' ) ) {
editor.getSelection().selectElement( control );
// Prevent focus from stealing from the editable. (#9515)
if ( control.is( 'input', 'textarea', 'select' ) )
ev.data.preventDefault();
}
});
}
// Prevent right click from selecting an empty block even
// when selection is anchored inside it. (#5845)
if ( CKEDITOR.env.gecko ) {
this.attachListener( this, 'mouseup', function( ev ) {
if ( ev.data.$.button == 2 ) {
var target = ev.data.getTarget();
if ( !target.getOuterHtml().replace( emptyParagraphRegexp, '' ) ) {
var range = editor.createRange();
range.moveToElementEditStart( target );
range.select( true );
}
}
});
}
// Webkit: avoid from editing form control elements content.
if ( CKEDITOR.env.webkit ) {
// Prevent from tick checkbox/radiobox/select
this.attachListener( this, 'click', function( ev ) {
if ( ev.data.getTarget().is( 'input', 'select' ) )
ev.data.preventDefault();
});
// Prevent from editig textfield/textarea value.
this.attachListener( this, 'mouseup', function( ev ) {
if ( ev.data.getTarget().is( 'input', 'textarea' ) )
ev.data.preventDefault();
});
}
}
},
_: {
detach: function() {
// Update the editor cached data with current data.
this.editor.setData( this.editor.getData(), 0, 1 );
this.clearListeners();
this.restoreAttrs();
// Cleanup our custom classes.
var classes;
if ( ( classes = this.removeCustomData( 'classes' ) ) ) {
while ( classes.length )
this.removeClass( classes.pop() );
}
// Remove contents stylesheet from document if it's the last usage.
var doc = this.getDocument(),
head = doc.getHead();
if ( head.getCustomData( 'stylesheet' ) ) {
var refs = doc.getCustomData( 'stylesheet_ref' );
if ( !( --refs ) ) {
doc.removeCustomData( 'stylesheet_ref' );
var sheet = head.removeCustomData( 'stylesheet' );
sheet.remove();
} else
doc.setCustomData( 'stylesheet_ref', refs );
}
// Free up the editor reference.
delete this.editor;
}
}
});
/**
* Create, retrieve or detach an editable element of the editor,
* this method should always be used instead of calling directly {@link CKEDITOR.editable}.
*
* @method editable
* @member CKEDITOR.editor
* @param {CKEDITOR.dom.element/CKEDITOR.editable} elementOrEditable The
* DOM element to become the editable or a {@link CKEDITOR.editable} object.
*/
CKEDITOR.editor.prototype.editable = function( element ) {
var editable = this._.editable;
// This editor has already associated with
// an editable element, silently fails.
if ( editable && element )
return 0;
if ( arguments.length ) {
editable = this._.editable = element ? ( element instanceof CKEDITOR.editable ? element : new CKEDITOR.editable( this, element ) ) :
// Detach the editable from editor.
( editable && editable.detach(), null );
}
// Just retrieve the editable.
return editable;
};
// Auto-fixing block-less content by wrapping paragraph (#3190), prevent
// non-exitable-block by padding extra br.(#3189)
// Returns truly value when dom was changed, falsy otherwise.
function fixDom( evt ) {
var editor = evt.editor,
editable = editor.editable(),
path = evt.data.path,
blockLimit = path.blockLimit,
selection = evt.data.selection,
range = selection.getRanges()[ 0 ],
enterMode = editor.config.enterMode;
if ( CKEDITOR.env.gecko ) {
// v3: check if this is needed.
// activateEditing( editor );
// Ensure bogus br could help to move cursor (out of styles) to the end of block. (#7041)
var pathBlock = path.block || path.blockLimit || path.root,
lastNode = pathBlock && pathBlock.getLast( isNotEmpty );
// Check some specialities of the current path block:
// 1. It is really displayed as block; (#7221)
// 2. It doesn't end with one inner block; (#7467)
// 3. It doesn't have bogus br yet.
if ( pathBlock && pathBlock.isBlockBoundary() &&
!( lastNode && lastNode.type == CKEDITOR.NODE_ELEMENT && lastNode.isBlockBoundary() ) &&
!pathBlock.is( 'pre' ) && !pathBlock.getBogus() ) {
pathBlock.appendBogus();
}
}
// When we're in block enter mode, a new paragraph will be established
// to encapsulate inline contents inside editable. (#3657)
if ( editor.config.autoParagraph !== false &&
enterMode != CKEDITOR.ENTER_BR && range.collapsed &&
editable.equals( blockLimit ) && !path.block ) {
var testRng = range.clone();
testRng.enlarge( CKEDITOR.ENLARGE_BLOCK_CONTENTS );
var walker = new CKEDITOR.dom.walker( testRng );
walker.guard = function( node ) {
return !isNotEmpty( node ) ||
node.type == CKEDITOR.NODE_COMMENT ||
node.isReadOnly();
};
// 1. Inline content discovered under cursor;
// 2. Empty editable.
if ( !walker.checkForward() ||
testRng.checkStartOfBlock() && testRng.checkEndOfBlock() ) {
var fixedBlock = range.fixBlock( true, editor.config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' );
// For IE, we should remove any filler node which was introduced before.
if ( CKEDITOR.env.ie ) {
var first = fixedBlock.getFirst( isNotEmpty );
if ( first && isNbsp( first ) ) {
first.remove();
}
}
range.select();
// Cancel this selection change in favor of the next (correct). (#6811)
evt.cancel();
}
}
}
function blockInputClick( evt ) {
var element = evt.data.getTarget();
if ( element.is( 'input' ) ) {
var type = element.getAttribute( 'type' );
if ( type == 'submit' || type == 'reset' )
evt.data.preventDefault();
}
}
function isBlankParagraph( block ) {
return block.getOuterHtml().match( emptyParagraphRegexp );
}
function isNotEmpty( node ) {
return isNotWhitespace( node ) && isNotBookmark( node );
}
function isNbsp( node ) {
return node.type == CKEDITOR.NODE_TEXT && CKEDITOR.tools.trim( node.getText() ).match( /^(?: |\xa0)$/ );
}
// Elements that could blink the cursor anchoring beside it, like hr, page-break. (#6554)
function nonEditable( element ) {
return element.isBlockBoundary() && CKEDITOR.dtd.$empty[ element.getName() ];
}
function isNotBubbling( fn, src ) {
return function( evt ) {
var other = CKEDITOR.dom.element.get( evt.data.$.toElement || evt.data.$.fromElement || evt.data.$.relatedTarget );
if ( ! ( other && ( src.equals( other ) || src.contains( other ) ) ) )
fn.call( this, evt );
};
}
// Check if the entire table/list contents is selected.
function getSelectedTableList( sel ) {
var selected,
range = sel.getRanges()[ 0 ],
editable = sel.root,
path = range.startPath(),
structural = { table:1,ul:1,ol:1,dl:1 };
var isBogus = CKEDITOR.dom.walker.bogus();
if ( path.contains( structural ) ) {
function guard( forwardGuard ) {
return function( node, isWalkOut ) {
// Save the encountered node as selected if going down the DOM structure
// and the node is structured element.
if ( isWalkOut && node.type == CKEDITOR.NODE_ELEMENT && node.is( structural ) )
selected = node;
// Stop the walker when either traversing another non-empty node at the same
// DOM level as in previous step.
// NOTE: When going forwards, stop if encountered a bogus.
if ( !isWalkOut && isNotEmpty( node ) && !( forwardGuard && isBogus( node ) ) )
return false;
};
}
// Clone the original range.
var walkerRng = range.clone();
// Enlarge the range: X<ul><li>[Y]</li></ul>X => [X<ul><li>]Y</li></ul>X
walkerRng.collapse( 1 );
walkerRng.setStartAt( editable, CKEDITOR.POSITION_AFTER_START );
// Create a new walker.
var walker = new CKEDITOR.dom.walker( walkerRng );
// Assign a new guard to the walker.
walker.guard = guard();
// Go backwards checking for selected structural node.
walker.checkBackward();
// If there's a selected structured element when checking backwards,
// then check the same forwards.
if ( selected ) {
// Clone the original range.
walkerRng = range.clone();
// Enlarge the range (assuming <ul> is selected element from guard):
//
// X<ul><li>[Y]</li></ul>X => X<ul><li>Y[</li></ul>]X
//
// If the walker went deeper down DOM than a while ago when traversing
// backwards, then it doesn't make sense: an element must be selected
// symmetrically. By placing range end **after previously selected node**,
// we make sure we don't go no deeper in DOM when going forwards.
walkerRng.collapse();
walkerRng.setEndAt( selected, CKEDITOR.POSITION_AFTER_END );
// Create a new walker.
walker = new CKEDITOR.dom.walker( walkerRng );
// Assign a new guard to the walker.
walker.guard = guard( true );
// Reset selected node.
selected = false;
// Go forwards checking for selected structural node.
walker.checkForward();
return selected;
}
}
return null;
}
// Matching an empty paragraph at the end of document.
var emptyParagraphRegexp = /(^|<body\b[^>]*>)\s*<(p|div|address|h\d|center|pre)[^>]*>\s*(?:<br[^>]*>| |\u00A0| )?\s*(:?<\/\2>)?\s*(?=$|<\/body>)/gi;
var isNotWhitespace = CKEDITOR.dom.walker.whitespaces( true ),
isNotBookmark = CKEDITOR.dom.walker.bookmark( false, true );
CKEDITOR.on( 'instanceLoaded', function( evt ) {
var editor = evt.editor;
// and flag that the element was locked by our code so it'll be editable by the editor functions (#6046).
editor.on( 'insertElement', function( evt ) {
var element = evt.data;
if ( element.type == CKEDITOR.NODE_ELEMENT && ( element.is( 'input' ) || element.is( 'textarea' ) ) ) {
// // The element is still not inserted yet, force attribute-based check.
if ( element.getAttribute( 'contentEditable' ) != "false" )
element.data( 'cke-editable', element.hasAttribute( 'contenteditable' ) ? 'true' : '1' );
element.setAttribute( 'contentEditable', false );
}
});
editor.on( 'selectionChange', function( evt ) {
if ( editor.readOnly )
return;
// Auto fixing on some document structure weakness to enhance usabilities. (#3190 and #3189)
var sel = editor.getSelection();
// Do it only when selection is not locked. (#8222)
if ( sel && !sel.isLocked ) {
var isDirty = editor.checkDirty();
// Lock undoM before touching DOM to prevent
// recording these changes as separate snapshot.
editor.fire( 'lockSnapshot' );
fixDom( evt );
editor.fire( 'unlockSnapshot' );
!isDirty && editor.resetDirty();
}
});
});
CKEDITOR.on( 'instanceCreated', function( evt ) {
var editor = evt.editor;
editor.on( 'mode', function() {
var editable = editor.editable();
// Setup proper ARIA roles and properties for inline editable, framed
// editable is instead handled by plugin.
if ( editable && editable.isInline() ) {
var ariaLabel = editor.title;
editable.changeAttr( 'role', 'textbox' );
editable.changeAttr( 'aria-label', ariaLabel );
if ( ariaLabel )
editable.changeAttr( 'title', ariaLabel );
// Put the voice label in different spaces, depending on element mode, so
// the DOM element get auto detached on mode reload or editor destroy.
var ct = this.ui.space( this.elementMode == CKEDITOR.ELEMENT_MODE_INLINE ? 'top' : 'contents' );
if ( ct ) {
var ariaDescId = CKEDITOR.tools.getNextId(),
desc = CKEDITOR.dom.element.createFromHtml( '<span id="' + ariaDescId + '" class="cke_voice_label">' + this.lang.common.editorHelp + '</span>' );
ct.append( desc );
editable.changeAttr( 'aria-describedby', ariaDescId );
}
}
});
});
// #9222: Show text cursor in Gecko.
// Show default cursor over control elements on all non-IEs.
CKEDITOR.addCss( '.cke_editable{cursor:text}.cke_editable img,.cke_editable input,.cke_editable textarea{cursor:default}' );
//
// Functions related to insertXXX methods
//
var insert = (function() {
'use strict';
var DTD = CKEDITOR.dtd;
// Inserts the given (valid) HTML into the range position (with range content deleted),
// guarantee it's result to be a valid DOM tree.
function insert( editable, type, data ) {
var editor = editable.editor,
doc = editable.getDocument(),
selection = editor.getSelection(),