GOOGLE
/*
Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/
CKEDITOR.plugins.add( 'styles',
{
requires : [ 'selection' ],
init : function( editor )
{
// This doesn't look like correct, but it's the safest way to proper
// pass the disableReadonlyStyling configuration to the style system
// without having to change any method signature in the API. (#6103)
editor.on( 'contentDom', function()
{
editor.document.setCustomData( 'cke_includeReadonly', !editor.config.disableReadonlyStyling );
});
}
});
/**
* Registers a function to be called whenever the selection position changes in the
* editing area. The current state is passed to the function. The possible
* states are {@link CKEDITOR.TRISTATE_ON} and {@link CKEDITOR.TRISTATE_OFF}.
* @param {CKEDITOR.style} style The style to be watched.
* @param {Function} callback The function to be called.
* @example
* // Create a style object for the <b> element.
* var style = new CKEDITOR.style( { element : 'b' } );
* var editor = CKEDITOR.instances.editor1;
* editor.attachStyleStateChange( style, function( state )
* {
* if ( state == CKEDITOR.TRISTATE_ON )
* alert( 'The current state for the B element is ON' );
* else
* alert( 'The current state for the B element is OFF' );
* });
*/
CKEDITOR.editor.prototype.attachStyleStateChange = function( style, callback )
{
// Try to get the list of attached callbacks.
var styleStateChangeCallbacks = this._.styleStateChangeCallbacks;
// If it doesn't exist, it means this is the first call. So, let's create
// all the structure to manage the style checks and the callback calls.
if ( !styleStateChangeCallbacks )
{
// Create the callbacks array.
styleStateChangeCallbacks = this._.styleStateChangeCallbacks = [];
// Attach to the selectionChange event, so we can check the styles at
// that point.
this.on( 'selectionChange', function( ev )
{
// Loop throw all registered callbacks.
for ( var i = 0 ; i < styleStateChangeCallbacks.length ; i++ )
{
var callback = styleStateChangeCallbacks[ i ];
// Check the current state for the style defined for that
// callback.
var currentState = callback.style.checkActive( ev.data.path ) ? CKEDITOR.TRISTATE_ON : CKEDITOR.TRISTATE_OFF;
// Call the callback function, passing the current
// state to it.
callback.fn.call( this, currentState );
}
});
}
// Save the callback info, so it can be checked on the next occurrence of
// selectionChange.
styleStateChangeCallbacks.push( { style : style, fn : callback } );
};
CKEDITOR.STYLE_BLOCK = 1;
CKEDITOR.STYLE_INLINE = 2;
CKEDITOR.STYLE_OBJECT = 3;
(function()
{
var blockElements = { address:1,div:1,h1:1,h2:1,h3:1,h4:1,h5:1,h6:1,p:1,pre:1,section:1,header:1,footer:1,nav:1,article:1,aside:1,figure:1,dialog:1,hgroup:1,time:1,meter:1,menu:1,command:1,keygen:1,output:1,progress:1,details:1,datagrid:1,datalist:1 },
objectElements = { a:1,embed:1,hr:1,img:1,li:1,object:1,ol:1,table:1,td:1,tr:1,th:1,ul:1,dl:1,dt:1,dd:1,form:1,audio:1,video:1 };
var semicolonFixRegex = /\s*(?:;\s*|$)/,
varRegex = /#\((.+?)\)/g;
var notBookmark = CKEDITOR.dom.walker.bookmark( 0, 1 ),
nonWhitespaces = CKEDITOR.dom.walker.whitespaces( 1 );
CKEDITOR.style = function( styleDefinition, variablesValues )
{
if ( variablesValues )
{
styleDefinition = CKEDITOR.tools.clone( styleDefinition );
replaceVariables( styleDefinition.attributes, variablesValues );
replaceVariables( styleDefinition.styles, variablesValues );
}
var element = this.element = styleDefinition.element ?
( typeof styleDefinition.element == 'string' ? styleDefinition.element.toLowerCase() : styleDefinition.element )
: '*';
this.type =
blockElements[ element ] ?
CKEDITOR.STYLE_BLOCK
: objectElements[ element ] ?
CKEDITOR.STYLE_OBJECT
:
CKEDITOR.STYLE_INLINE;
// If the 'element' property is an object with a set of possible element, it will be applied like an object style: only to existing elements
if ( typeof this.element == 'object' )
this.type = CKEDITOR.STYLE_OBJECT;
this._ =
{
definition : styleDefinition
};
};
CKEDITOR.style.prototype =
{
apply : function( document )
{
applyStyle.call( this, document, false );
},
remove : function( document )
{
applyStyle.call( this, document, true );
},
applyToRange : function( range )
{
return ( this.applyToRange =
this.type == CKEDITOR.STYLE_INLINE ?
applyInlineStyle
: this.type == CKEDITOR.STYLE_BLOCK ?
applyBlockStyle
: this.type == CKEDITOR.STYLE_OBJECT ?
applyObjectStyle
: null ).call( this, range );
},
removeFromRange : function( range )
{
return ( this.removeFromRange =
this.type == CKEDITOR.STYLE_INLINE ?
removeInlineStyle
: this.type == CKEDITOR.STYLE_BLOCK ?
removeBlockStyle
: this.type == CKEDITOR.STYLE_OBJECT ?
removeObjectStyle
: null ).call( this, range );
},
applyToObject : function( element )
{
setupElement( element, this );
},
/**
* Get the style state inside an element path. Returns "true" if the
* element is active in the path.
*/
checkActive : function( elementPath )
{
switch ( this.type )
{
case CKEDITOR.STYLE_BLOCK :
return this.checkElementRemovable( elementPath.block || elementPath.blockLimit, true );
case CKEDITOR.STYLE_OBJECT :
case CKEDITOR.STYLE_INLINE :
var elements = elementPath.elements;
for ( var i = 0, element ; i < elements.length ; i++ )
{
element = elements[ i ];
if ( this.type == CKEDITOR.STYLE_INLINE
&& ( element == elementPath.block || element == elementPath.blockLimit ) )
continue;
if( this.type == CKEDITOR.STYLE_OBJECT )
{
var name = element.getName();
if ( !( typeof this.element == 'string' ? name == this.element : name in this.element ) )
continue;
}
if ( this.checkElementRemovable( element, true ) )
return true;
}
}
return false;
},
/**
* Whether this style can be applied at the element path.
* @param elementPath
*/
checkApplicable : function( elementPath )
{
switch ( this.type )
{
case CKEDITOR.STYLE_INLINE :
case CKEDITOR.STYLE_BLOCK :
break;
case CKEDITOR.STYLE_OBJECT :
return elementPath.lastElement.getAscendant( this.element, true );
}
return true;
},
// Checks if an element, or any of its attributes, is removable by the
// current style definition.
checkElementRemovable : function( element, fullMatch )
{
var def = this._.definition;
if ( !element || !def.ignoreReadonly && element.isReadOnly() )
return false;
var attribs,
name = element.getName();
// If the element name is the same as the style name.
if ( typeof this.element == 'string' ? name == this.element : name in this.element )
{
// If no attributes are defined in the element.
if ( !fullMatch && !element.hasAttributes() )
return true;
attribs = getAttributesForComparison( def );
if ( attribs._length )
{
for ( var attName in attribs )
{
if ( attName == '_length' )
continue;
var elementAttr = element.getAttribute( attName ) || '';
// Special treatment for 'style' attribute is required.
if ( attName == 'style' ?
compareCssText( attribs[ attName ], normalizeCssText( elementAttr, false ) )
: attribs[ attName ] == elementAttr )
{
if ( !fullMatch )
return true;
}
else if ( fullMatch )
return false;
}
if ( fullMatch )
return true;
}
else
return true;
}
// Check if the element can be somehow overriden.
var override = getOverrides( this )[ element.getName() ] ;
if ( override )
{
// If no attributes have been defined, remove the element.
if ( !( attribs = override.attributes ) )
return true;
for ( var i = 0 ; i < attribs.length ; i++ )
{
attName = attribs[i][0];
var actualAttrValue = element.getAttribute( attName );
if ( actualAttrValue )
{
var attValue = attribs[i][1];
// Remove the attribute if:
// - The override definition value is null;
// - The override definition value is a string that
// matches the attribute value exactly.
// - The override definition value is a regex that
// has matches in the attribute value.
if ( attValue === null ||
( typeof attValue == 'string' && actualAttrValue == attValue ) ||
attValue.test( actualAttrValue ) )
return true;
}
}
}
return false;
},
// Builds the preview HTML based on the styles definition.
buildPreview : function( label )
{
var styleDefinition = this._.definition,
html = [],
elementName = styleDefinition.element;
// Avoid <bdo> in the preview.
if ( elementName == 'bdo' )
elementName = 'span';
html = [ '<', elementName ];
// Assign all defined attributes.
var attribs = styleDefinition.attributes;
if ( attribs )
{
for ( var att in attribs )
{
html.push( ' ', att, '="', attribs[ att ], '"' );
}
}
// Assign the style attribute.
var cssStyle = CKEDITOR.style.getStyleText( styleDefinition );
if ( cssStyle )
html.push( ' style="', cssStyle, '"' );
html.push( '>', ( label || styleDefinition.name ), '</', elementName, '>' );
return html.join( '' );
}
};
// Build the cssText based on the styles definition.
CKEDITOR.style.getStyleText = function( styleDefinition )
{
// If we have already computed it, just return it.
var stylesDef = styleDefinition._ST;
if ( stylesDef )
return stylesDef;
stylesDef = styleDefinition.styles;
// Builds the StyleText.
var stylesText = ( styleDefinition.attributes && styleDefinition.attributes[ 'style' ] ) || '',
specialStylesText = '';
if ( stylesText.length )
stylesText = stylesText.replace( semicolonFixRegex, ';' );
for ( var style in stylesDef )
{
var styleVal = stylesDef[ style ],
text = ( style + ':' + styleVal ).replace( semicolonFixRegex, ';' );
// Some browsers don't support 'inherit' property value, leave them intact. (#5242)
if ( styleVal == 'inherit' )
specialStylesText += text;
else
stylesText += text;
}
// Browsers make some changes to the style when applying them. So, here
// we normalize it to the browser format.
if ( stylesText.length )
stylesText = normalizeCssText( stylesText );
stylesText += specialStylesText;
// Return it, saving it to the next request.
return ( styleDefinition._ST = stylesText );
};
// Gets the parent element which blocks the styling for an element. This
// can be done through read-only elements (contenteditable=false) or
// elements with the "data-nostyle" attribute.
function getUnstylableParent( element )
{
var unstylable,
editable;
while ( ( element = element.getParent() ) )
{
if ( element.getName() == 'body' )
break;
if ( element.getAttribute( 'data-nostyle' ) )
unstylable = element;
else if ( !editable )
{
var contentEditable = element.getAttribute( 'contentEditable' );
if ( contentEditable == 'false' )
unstylable = element;
else if ( contentEditable == 'true' )
editable = 1;
}
}
return unstylable;
}
function applyInlineStyle( range )
{
var document = range.document;
if ( range.collapsed )
{
// Create the element to be inserted in the DOM.
var collapsedElement = getElement( this, document );
// Insert the empty element into the DOM at the range position.
range.insertNode( collapsedElement );
// Place the selection right inside the empty element.
range.moveToPosition( collapsedElement, CKEDITOR.POSITION_BEFORE_END );
return;
}
var elementName = this.element;
var def = this._.definition;
var isUnknownElement;
// Indicates that fully selected read-only elements are to be included in the styling range.
var ignoreReadonly = def.ignoreReadonly,
includeReadonly = ignoreReadonly || def.includeReadonly;
// If the read-only inclusion is not available in the definition, try
// to get it from the document data.
if ( includeReadonly == undefined )
includeReadonly = document.getCustomData( 'cke_includeReadonly' );
// Get the DTD definition for the element. Defaults to "span".
var dtd = CKEDITOR.dtd[ elementName ] || ( isUnknownElement = true, CKEDITOR.dtd.span );
// Expand the range.
range.enlarge( CKEDITOR.ENLARGE_ELEMENT, 1 );
range.trim();
// Get the first node to be processed and the last, which concludes the
// processing.
var boundaryNodes = range.createBookmark(),
firstNode = boundaryNodes.startNode,
lastNode = boundaryNodes.endNode;
var currentNode = firstNode;
var styleRange;
if ( !ignoreReadonly )
{
// Check if the boundaries are inside non stylable elements.
var firstUnstylable = getUnstylableParent( firstNode ),
lastUnstylable = getUnstylableParent( lastNode );
// If the first element can't be styled, we'll start processing right
// after its unstylable root.
if ( firstUnstylable )
currentNode = firstUnstylable.getNextSourceNode( true );
// If the last element can't be styled, we'll stop processing on its
// unstylable root.
if ( lastUnstylable )
lastNode = lastUnstylable;
}
// Do nothing if the current node now follows the last node to be processed.
if ( currentNode.getPosition( lastNode ) == CKEDITOR.POSITION_FOLLOWING )
currentNode = 0;
while ( currentNode )
{
var applyStyle = false;
if ( currentNode.equals( lastNode ) )
{
currentNode = null;
applyStyle = true;
}
else
{
var nodeType = currentNode.type;
var nodeName = nodeType == CKEDITOR.NODE_ELEMENT ? currentNode.getName() : null;
var nodeIsReadonly = nodeName && ( currentNode.getAttribute( 'contentEditable' ) == 'false' );
var nodeIsNoStyle = nodeName && currentNode.getAttribute( 'data-nostyle' );
if ( nodeName && currentNode.data( 'cke-bookmark' ) )
{
currentNode = currentNode.getNextSourceNode( true );
continue;
}
// Check if the current node can be a child of the style element.
if ( !nodeName || ( dtd[ nodeName ]
&& !nodeIsNoStyle
&& ( !nodeIsReadonly || includeReadonly )
&& ( currentNode.getPosition( lastNode ) | CKEDITOR.POSITION_PRECEDING | CKEDITOR.POSITION_IDENTICAL | CKEDITOR.POSITION_IS_CONTAINED ) == ( CKEDITOR.POSITION_PRECEDING + CKEDITOR.POSITION_IDENTICAL + CKEDITOR.POSITION_IS_CONTAINED )
&& ( !def.childRule || def.childRule( currentNode ) ) ) )
{
var currentParent = currentNode.getParent();
// Check if the style element can be a child of the current
// node parent or if the element is not defined in the DTD.
if ( currentParent
&& ( ( currentParent.getDtd() || CKEDITOR.dtd.span )[ elementName ] || isUnknownElement )
&& ( !def.parentRule || def.parentRule( currentParent ) ) )
{
// This node will be part of our range, so if it has not
// been started, place its start right before the node.
// In the case of an element node, it will be included
// only if it is entirely inside the range.
if ( !styleRange && ( !nodeName || !CKEDITOR.dtd.$removeEmpty[ nodeName ] || ( currentNode.getPosition( lastNode ) | CKEDITOR.POSITION_PRECEDING | CKEDITOR.POSITION_IDENTICAL | CKEDITOR.POSITION_IS_CONTAINED ) == ( CKEDITOR.POSITION_PRECEDING + CKEDITOR.POSITION_IDENTICAL + CKEDITOR.POSITION_IS_CONTAINED ) ) )
{
styleRange = new CKEDITOR.dom.range( document );
styleRange.setStartBefore( currentNode );
}
// Non element nodes, readonly elements, or empty
// elements can be added completely to the range.
if ( nodeType == CKEDITOR.NODE_TEXT || nodeIsReadonly || ( nodeType == CKEDITOR.NODE_ELEMENT && !currentNode.getChildCount() ) )
{
var includedNode = currentNode;
var parentNode;
// This node is about to be included completelly, but,
// if this is the last node in its parent, we must also
// check if the parent itself can be added completelly
// to the range, otherwise apply the style immediately.
while ( ( applyStyle = !includedNode.getNext( notBookmark ) )
&& ( parentNode = includedNode.getParent(), dtd[ parentNode.getName() ] )
&& ( parentNode.getPosition( firstNode ) | CKEDITOR.POSITION_FOLLOWING | CKEDITOR.POSITION_IDENTICAL | CKEDITOR.POSITION_IS_CONTAINED ) == ( CKEDITOR.POSITION_FOLLOWING + CKEDITOR.POSITION_IDENTICAL + CKEDITOR.POSITION_IS_CONTAINED )
&& ( !def.childRule || def.childRule( parentNode ) ) )
{
includedNode = parentNode;
}
styleRange.setEndAfter( includedNode );
}
}
else
applyStyle = true;
}
else
applyStyle = true;
// Get the next node to be processed.
currentNode = currentNode.getNextSourceNode( nodeIsNoStyle || nodeIsReadonly );
}
// Apply the style if we have something to which apply it.
if ( applyStyle && styleRange && !styleRange.collapsed )
{
// Build the style element, based on the style object definition.
var styleNode = getElement( this, document ),
styleHasAttrs = styleNode.hasAttributes();
// Get the element that holds the entire range.
var parent = styleRange.getCommonAncestor();
var removeList = {
styles : {},
attrs : {},
// Styles cannot be removed.
blockedStyles : {},
// Attrs cannot be removed.
blockedAttrs : {}
};
var attName, styleName, value;
// Loop through the parents, removing the redundant attributes
// from the element to be applied.
while ( styleNode && parent )
{
if ( parent.getName() == elementName )
{
for ( attName in def.attributes )
{
if ( removeList.blockedAttrs[ attName ] || !( value = parent.getAttribute( styleName ) ) )
continue;
if ( styleNode.getAttribute( attName ) == value )
removeList.attrs[ attName ] = 1;
else
removeList.blockedAttrs[ attName ] = 1;
}
for ( styleName in def.styles )
{
if ( removeList.blockedStyles[ styleName ] || !( value = parent.getStyle( styleName ) ) )
continue;
if ( styleNode.getStyle( styleName ) == value )
removeList.styles[ styleName ] = 1;
else
removeList.blockedStyles[ styleName ] = 1;
}
}
parent = parent.getParent();
}
for ( attName in removeList.attrs )
styleNode.removeAttribute( attName );
for ( styleName in removeList.styles )
styleNode.removeStyle( styleName );
if ( styleHasAttrs && !styleNode.hasAttributes() )
styleNode = null;
if ( styleNode )
{
// Move the contents of the range to the style element.
styleRange.extractContents().appendTo( styleNode );
// Here we do some cleanup, removing all duplicated
// elements from the style element.
removeFromInsideElement( this, styleNode );
// Insert it into the range position (it is collapsed after
// extractContents.
styleRange.insertNode( styleNode );
// Let's merge our new style with its neighbors, if possible.
styleNode.mergeSiblings();
// As the style system breaks text nodes constantly, let's normalize
// things for performance.
// With IE, some paragraphs get broken when calling normalize()
// repeatedly. Also, for IE, we must normalize body, not documentElement.
// IE is also known for having a "crash effect" with normalize().
// We should try to normalize with IE too in some way, somewhere.
if ( !CKEDITOR.env.ie )
styleNode.$.normalize();
}
// Style already inherit from parents, left just to clear up any internal overrides. (#5931)
else
{
styleNode = new CKEDITOR.dom.element( 'span' );
styleRange.extractContents().appendTo( styleNode );
styleRange.insertNode( styleNode );
removeFromInsideElement( this, styleNode );
styleNode.remove( true );
}
// Style applied, let's release the range, so it gets
// re-initialization in the next loop.
styleRange = null;
}
}
// Remove the bookmark nodes.
range.moveToBookmark( boundaryNodes );
// Minimize the result range to exclude empty text nodes. (#5374)
range.shrink( CKEDITOR.SHRINK_TEXT );
}
function removeInlineStyle( range )
{
/*
* Make sure our range has included all "collpased" parent inline nodes so
* that our operation logic can be simpler.
*/
range.enlarge( CKEDITOR.ENLARGE_ELEMENT, 1 );
var bookmark = range.createBookmark(),
startNode = bookmark.startNode;
if ( range.collapsed )
{
var startPath = new CKEDITOR.dom.elementPath( startNode.getParent() ),
// The topmost element in elementspatch which we should jump out of.
boundaryElement;
for ( var i = 0, element ; i < startPath.elements.length
&& ( element = startPath.elements[i] ) ; i++ )
{
/*
* 1. If it's collaped inside text nodes, try to remove the style from the whole element.
*
* 2. Otherwise if it's collapsed on element boundaries, moving the selection
* outside the styles instead of removing the whole tag,
* also make sure other inner styles were well preserverd.(#3309)
*/
if ( element == startPath.block || element == startPath.blockLimit )
break;
if ( this.checkElementRemovable( element ) )
{
var isStart;
if ( range.collapsed && (
range.checkBoundaryOfElement( element, CKEDITOR.END ) ||
( isStart = range.checkBoundaryOfElement( element, CKEDITOR.START ) ) ) )
{
boundaryElement = element;
boundaryElement.match = isStart ? 'start' : 'end';
}
else
{
/*
* Before removing the style node, there may be a sibling to the style node
* that's exactly the same to the one to be removed. To the user, it makes
* no difference that they're separate entities in the DOM tree. So, merge
* them before removal.
*/
element.mergeSiblings();
if ( element.getName() == this.element )
removeFromElement( this, element );
else
removeOverrides( element, getOverrides( this )[ element.getName() ] );
}
}
}
// Re-create the style tree after/before the boundary element,
// the replication start from bookmark start node to define the
// new range.
if ( boundaryElement )
{
var clonedElement = startNode;
for ( i = 0 ;; i++ )
{
var newElement = startPath.elements[ i ];
if ( newElement.equals( boundaryElement ) )
break;
// Avoid copying any matched element.
else if ( newElement.match )
continue;
else
newElement = newElement.clone();
newElement.append( clonedElement );
clonedElement = newElement;
}
clonedElement[ boundaryElement.match == 'start' ?
'insertBefore' : 'insertAfter' ]( boundaryElement );
}
}
else
{
/*
* Now our range isn't collapsed. Lets walk from the start node to the end
* node via DFS and remove the styles one-by-one.
*/
var endNode = bookmark.endNode,
me = this;
/*
* Find out the style ancestor that needs to be broken down at startNode
* and endNode.
*/
function breakNodes()
{
var startPath = new CKEDITOR.dom.elementPath( startNode.getParent() ),
endPath = new CKEDITOR.dom.elementPath( endNode.getParent() ),
breakStart = null,
breakEnd = null;
for ( var i = 0 ; i < startPath.elements.length ; i++ )
{
var element = startPath.elements[ i ];
if ( element == startPath.block || element == startPath.blockLimit )
break;
if ( me.checkElementRemovable( element ) )
breakStart = element;
}
for ( i = 0 ; i < endPath.elements.length ; i++ )
{
element = endPath.elements[ i ];
if ( element == endPath.block || element == endPath.blockLimit )
break;
if ( me.checkElementRemovable( element ) )
breakEnd = element;
}
if ( breakEnd )
endNode.breakParent( breakEnd );
if ( breakStart )
startNode.breakParent( breakStart );
}
breakNodes();
// Now, do the DFS walk.
var currentNode = startNode;
while ( !currentNode.equals( endNode ) )
{
/*
* Need to get the next node first because removeFromElement() can remove
* the current node from DOM tree.
*/
var nextNode = currentNode.getNextSourceNode();
if ( currentNode.type == CKEDITOR.NODE_ELEMENT && this.checkElementRemovable( currentNode ) )
{
// Remove style from element or overriding element.
if ( currentNode.getName() == this.element )
removeFromElement( this, currentNode );
else
removeOverrides( currentNode, getOverrides( this )[ currentNode.getName() ] );
/*
* removeFromElement() may have merged the next node with something before
* the startNode via mergeSiblings(). In that case, the nextNode would
* contain startNode and we'll have to call breakNodes() again and also
* reassign the nextNode to something after startNode.
*/
if ( nextNode.type == CKEDITOR.NODE_ELEMENT && nextNode.contains( startNode ) )
{
breakNodes();
nextNode = startNode.getNext();
}
}
currentNode = nextNode;
}
}
range.moveToBookmark( bookmark );
}
function applyObjectStyle( range )
{
var root = range.getCommonAncestor( true, true ),
element = root.getAscendant( this.element, true );
element && !element.isReadOnly() && setupElement( element, this );
}
function removeObjectStyle( range )
{
var root = range.getCommonAncestor( true, true ),
element = root.getAscendant( this.element, true );
if ( !element )
return;
var style = this,
def = style._.definition,
attributes = def.attributes;
// Remove all defined attributes.
if ( attributes )
{
for ( var att in attributes )
{
element.removeAttribute( att, attributes[ att ] );
}
}
// Assign all defined styles.
if ( def.styles )
{
for ( var i in def.styles )
{
if ( !def.styles.hasOwnProperty( i ) )
continue;
element.removeStyle( i );
}
}
}
function applyBlockStyle( range )
{
// Serializible bookmarks is needed here since
// elements may be merged.
var bookmark = range.createBookmark( true );
var iterator = range.createIterator();
iterator.enforceRealBlocks = true;
// make recognize <br /> tag as a separator in ENTER_BR mode (#5121)
if ( this._.enterMode )
iterator.enlargeBr = ( this._.enterMode != CKEDITOR.ENTER_BR );
var block;
var doc = range.document;
var previousPreBlock;
while ( ( block = iterator.getNextParagraph() ) ) // Only one =
{
if ( !block.isReadOnly() )
{
var newBlock = getElement( this, doc, block );
replaceBlock( block, newBlock );
}
}
range.moveToBookmark( bookmark );
}
function removeBlockStyle( range )
{
// Serializible bookmarks is needed here since
// elements may be merged.
var bookmark = range.createBookmark( 1 );
var iterator = range.createIterator();
iterator.enforceRealBlocks = true;
iterator.enlargeBr = this._.enterMode != CKEDITOR.ENTER_BR;
var block;
while ( ( block = iterator.getNextParagraph() ) )
{
if ( this.checkElementRemovable( block ) )
{
// <pre> get special treatment.
if ( block.is( 'pre' ) )
{
var newBlock = this._.enterMode == CKEDITOR.ENTER_BR ?
null : range.document.createElement(
this._.enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' );
newBlock && block.copyAttributes( newBlock );
replaceBlock( block, newBlock );
}
else
removeFromElement( this, block, 1 );
}
}
range.moveToBookmark( bookmark );
}
// Replace the original block with new one, with special treatment
// for <pre> blocks to make sure content format is well preserved, and merging/splitting adjacent
// when necessary.(#3188)
function replaceBlock( block, newBlock )
{
// Block is to be removed, create a temp element to
// save contents.
var removeBlock = !newBlock;
if ( removeBlock )
{
newBlock = block.getDocument().createElement( 'div' );
block.copyAttributes( newBlock );
}
var newBlockIsPre = newBlock && newBlock.is( 'pre' );
var blockIsPre = block.is( 'pre' );
var isToPre = newBlockIsPre && !blockIsPre;
var isFromPre = !newBlockIsPre && blockIsPre;
if ( isToPre )
newBlock = toPre( block, newBlock );
else if ( isFromPre )
// Split big <pre> into pieces before start to convert.
newBlock = fromPres( removeBlock ?
[ block.getHtml() ] : splitIntoPres( block ), newBlock );
else
block.moveChildren( newBlock );
newBlock.replace( block );
if ( newBlockIsPre )
{
// Merge previous <pre> blocks.
mergePre( newBlock );
}
else if ( removeBlock )
removeNoAttribsElement( newBlock );
}
/**
* Merge a <pre> block with a previous sibling if available.
*/
function mergePre( preBlock )
{
var previousBlock;
if ( !( ( previousBlock = preBlock.getPrevious( nonWhitespaces ) )
&& previousBlock.is
&& previousBlock.is( 'pre') ) )
return;
// Merge the previous <pre> block contents into the current <pre>
// block.
//
// Another thing to be careful here is that currentBlock might contain
// a '\n' at the beginning, and previousBlock might contain a '\n'
// towards the end. These new lines are not normally displayed but they
// become visible after merging.
var mergedHtml = replace( previousBlock.getHtml(), /\n$/, '' ) + '\n\n' +
replace( preBlock.getHtml(), /^\n/, '' ) ;
// Krugle: IE normalizes innerHTML from <pre>, breaking whitespaces.
if ( CKEDITOR.env.ie )
preBlock.$.outerHTML = '<pre>' + mergedHtml + '</pre>';
else
preBlock.setHtml( mergedHtml );
previousBlock.remove();
}
/**
* Split into multiple <pre> blocks separated by double line-break.
* @param preBlock
*/
function splitIntoPres( preBlock )
{
// Exclude the ones at header OR at tail,
// and ignore bookmark content between them.
var duoBrRegex = /(\S\s*)\n(?:\s|(<span[^>]+data-cke-bookmark.*?\/span>))*\n(?!$)/gi,
blockName = preBlock.getName(),
splitedHtml = replace( preBlock.getOuterHtml(),
duoBrRegex,
function( match, charBefore, bookmark )
{
return charBefore + '</pre>' + bookmark + '<pre>';
} );
var pres = [];
splitedHtml.replace( /<pre\b.*?>([\s\S]*?)<\/pre>/gi, function( match, preContent ){
pres.push( preContent );
} );
return pres;
}
// Wrapper function of String::replace without considering of head/tail bookmarks nodes.
function replace( str, regexp, replacement )
{
var headBookmark = '',
tailBookmark = '';
str = str.replace( /(^<span[^>]+data-cke-bookmark.*?\/span>)|(<span[^>]+data-cke-bookmark.*?\/span>$)/gi,
function( str, m1, m2 ){
m1 && ( headBookmark = m1 );
m2 && ( tailBookmark = m2 );
return '';
} );
return headBookmark + str.replace( regexp, replacement ) + tailBookmark;
}
/**
* Converting a list of <pre> into blocks with format well preserved.
*/
function fromPres( preHtmls, newBlock )
{
var docFrag;
if ( preHtmls.length > 1 )
docFrag = new CKEDITOR.dom.documentFragment( newBlock.getDocument() );
for ( var i = 0 ; i < preHtmls.length ; i++ )
{
var blockHtml = preHtmls[ i ];
// 1. Trim the first and last line-breaks immediately after and before <pre>,
// they're not visible.
blockHtml = blockHtml.replace( /(\r\n|\r)/g, '\n' ) ;
blockHtml = replace( blockHtml, /^[ \t]*\n/, '' ) ;
blockHtml = replace( blockHtml, /\n$/, '' ) ;
// 2. Convert spaces or tabs at the beginning or at the end to
blockHtml = replace( blockHtml, /^[ \t]+|[ \t]+$/g, function( match, offset, s )
{
if ( match.length == 1 ) // one space, preserve it
return ' ' ;
else if ( !offset ) // beginning of block
return CKEDITOR.tools.repeat( ' ', match.length - 1 ) + ' ';
else // end of block
return ' ' + CKEDITOR.tools.repeat( ' ', match.length - 1 );
} ) ;
// 3. Convert \n to <BR>.
// 4. Convert contiguous (i.e. non-singular) spaces or tabs to
blockHtml = blockHtml.replace( /\n/g, '<br>' ) ;
blockHtml = blockHtml.replace( /[ \t]{2,}/g,
function ( match )
{
return CKEDITOR.tools.repeat( ' ', match.length - 1 ) + ' ' ;
} ) ;
if ( docFrag )
{
var newBlockClone = newBlock.clone();
newBlockClone.setHtml( blockHtml );
docFrag.append( newBlockClone );
}
else
newBlock.setHtml( blockHtml );
}
return docFrag || newBlock;
}
/**
* Converting from a non-PRE block to a PRE block in formatting operations.
*/
function toPre( block, newBlock )
{
var bogus = block.getBogus();
bogus && bogus.remove();
// First trim the block content.
var preHtml = block.getHtml();
// 1. Trim head/tail spaces, they're not visible.
preHtml = replace( preHtml, /(?:^[ \t\n\r]+)|(?:[ \t\n\r]+$)/g, '' );
// 2. Delete ANSI whitespaces immediately before and after <BR> because
// they are not visible.
preHtml = preHtml.replace( /[ \t\r\n]*(<br[^>]*>)[ \t\r\n]*/gi, '$1' );
// 3. Compress other ANSI whitespaces since they're only visible as one
// single space previously.
// 4. Convert to spaces since is no longer needed in <PRE>.
preHtml = preHtml.replace( /([ \t\n\r]+| )/g, ' ' );
// 5. Convert any <BR /> to \n. This must not be done earlier because
// the \n would then get compressed.
preHtml = preHtml.replace( /<br\b[^>]*>/gi, '\n' );
// Krugle: IE normalizes innerHTML to <pre>, breaking whitespaces.
if ( CKEDITOR.env.ie )
{
var temp = block.getDocument().createElement( 'div' );
temp.append( newBlock );
newBlock.$.outerHTML = '<pre>' + preHtml + '</pre>';
newBlock.copyAttributes( temp.getFirst() );
newBlock = temp.getFirst().remove();
}
else
newBlock.setHtml( preHtml );
return newBlock;
}
// Removes a style from an element itself, don't care about its subtree.
function removeFromElement( style, element )
{
var def = style._.definition,
attributes = def.attributes,
styles = def.styles,
overrides = getOverrides( style )[ element.getName() ],
// If the style is only about the element itself, we have to remove the element.
removeEmpty = CKEDITOR.tools.isEmpty( attributes ) && CKEDITOR.tools.isEmpty( styles );
// Remove definition attributes/style from the elemnt.
for ( var attName in attributes )
{
// The 'class' element value must match (#1318).
if ( ( attName == 'class' || style._.definition.fullMatch )
&& element.getAttribute( attName ) != normalizeProperty( attName, attributes[ attName ] ) )
continue;
removeEmpty = element.hasAttribute( attName );
element.removeAttribute( attName );
}
for ( var styleName in styles )
{
// Full match style insist on having fully equivalence. (#5018)
if ( style._.definition.fullMatch
&& element.getStyle( styleName ) != normalizeProperty( styleName, styles[ styleName ], true ) )
continue;
removeEmpty = removeEmpty || !!element.getStyle( styleName );
element.removeStyle( styleName );
}
// Remove overrides, but don't remove the element if it's a block element
removeOverrides( element, overrides, blockElements[ element.getName() ] ) ;
if ( removeEmpty )
{
!CKEDITOR.dtd.$block[ element.getName() ] || style._.enterMode == CKEDITOR.ENTER_BR && !element.hasAttributes() ?
removeNoAttribsElement( element ) :
element.renameNode( style._.enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' );
}
}
// Removes a style from inside an element.
function removeFromInsideElement( style, element )
{
var def = style._.definition,
attribs = def.attributes,
styles = def.styles,
overrides = getOverrides( style ),
innerElements = element.getElementsByTag( style.element );
for ( var i = innerElements.count(); --i >= 0 ; )
removeFromElement( style, innerElements.getItem( i ) );
// Now remove any other element with different name that is
// defined to be overriden.
for ( var overrideElement in overrides )
{
if ( overrideElement != style.element )
{
innerElements = element.getElementsByTag( overrideElement ) ;
for ( i = innerElements.count() - 1 ; i >= 0 ; i-- )
{
var innerElement = innerElements.getItem( i );
removeOverrides( innerElement, overrides[ overrideElement ] ) ;
}
}
}
}
/**
* Remove overriding styles/attributes from the specific element.
* Note: Remove the element if no attributes remain.
* @param {Object} element
* @param {Object} overrides
* @param {Boolean} Don't remove the element
*/
function removeOverrides( element, overrides, dontRemove )
{
var attributes = overrides && overrides.attributes ;
if ( attributes )
{
for ( var i = 0 ; i < attributes.length ; i++ )
{
var attName = attributes[i][0], actualAttrValue ;
if ( ( actualAttrValue = element.getAttribute( attName ) ) )
{
var attValue = attributes[i][1] ;
// Remove the attribute if:
// - The override definition value is null ;
// - The override definition valie is a string that
// matches the attribute value exactly.
// - The override definition value is a regex that
// has matches in the attribute value.
if ( attValue === null ||
( attValue.test && attValue.test( actualAttrValue ) ) ||
( typeof attValue == 'string' && actualAttrValue == attValue ) )
element.removeAttribute( attName ) ;
}
}
}
if ( !dontRemove )
removeNoAttribsElement( element );
}
// If the element has no more attributes, remove it.
function removeNoAttribsElement( element )
{
// If no more attributes remained in the element, remove it,
// leaving its children.
if ( !element.hasAttributes() )
{
if ( CKEDITOR.dtd.$block[ element.getName() ] )
{
var previous = element.getPrevious( nonWhitespaces ),
next = element.getNext( nonWhitespaces );
if ( previous && ( previous.type == CKEDITOR.NODE_TEXT || !previous.isBlockBoundary( { br : 1 } ) ) )
element.append( 'br', 1 );
if ( next && ( next.type == CKEDITOR.NODE_TEXT || !next.isBlockBoundary( { br : 1 } ) ) )
element.append( 'br' );
element.remove( true );
}
else
{
// Removing elements may open points where merging is possible,
// so let's cache the first and last nodes for later checking.
var firstChild = element.getFirst();
var lastChild = element.getLast();
element.remove( true );
if ( firstChild )
{
// Check the cached nodes for merging.
firstChild.type == CKEDITOR.NODE_ELEMENT && firstChild.mergeSiblings();
if ( lastChild && !firstChild.equals( lastChild )
&& lastChild.type == CKEDITOR.NODE_ELEMENT )
lastChild.mergeSiblings();
}
}
}
}
function getElement( style, targetDocument, element )
{
var el,
def = style._.definition,
elementName = style.element;
// The "*" element name will always be a span for this function.
if ( elementName == '*' )
elementName = 'span';
// Create the element.
el = new CKEDITOR.dom.element( elementName, targetDocument );
// #6226: attributes should be copied before the new ones are applied
if ( element )
element.copyAttributes( el );
el = setupElement( el, style );
// Avoid ID duplication.
if ( targetDocument.getCustomData( 'doc_processing_style' ) && el.hasAttribute( 'id' ) )
el.removeAttribute( 'id' );
else
targetDocument.setCustomData( 'doc_processing_style', 1 );
return el;
}
function setupElement( el, style )
{
var def = style._.definition,
attributes = def.attributes,
styles = CKEDITOR.style.getStyleText( def );
// Assign all defined attributes.
if ( attributes )
{
for ( var att in attributes )
{
el.setAttribute( att, attributes[ att ] );
}
}
// Assign all defined styles.
if( styles )
el.setAttribute( 'style', styles );
return el;
}
function replaceVariables( list, variablesValues )
{
for ( var item in list )
{
list[ item ] = list[ item ].replace( varRegex, function( match, varName )
{
return variablesValues[ varName ];
});
}
}
// Returns an object that can be used for style matching comparison.
// Attributes names and values are all lowercased, and the styles get
// merged with the style attribute.
function getAttributesForComparison( styleDefinition )
{
// If we have already computed it, just return it.
var attribs = styleDefinition._AC;
if ( attribs )
return attribs;
attribs = {};
var length = 0;
// Loop through all defined attributes.
var styleAttribs = styleDefinition.attributes;
if ( styleAttribs )
{
for ( var styleAtt in styleAttribs )
{
length++;
attribs[ styleAtt ] = styleAttribs[ styleAtt ];
}
}
// Includes the style definitions.
var styleText = CKEDITOR.style.getStyleText( styleDefinition );
if ( styleText )
{
if ( !attribs[ 'style' ] )
length++;
attribs[ 'style' ] = styleText;
}
// Appends the "length" information to the object.
attribs._length = length;
// Return it, saving it to the next request.
return ( styleDefinition._AC = attribs );
}
/**
* Get the the collection used to compare the elements and attributes,
* defined in this style overrides, with other element. All information in
* it is lowercased.
* @param {CKEDITOR.style} style
*/
function getOverrides( style )
{
if ( style._.overrides )
return style._.overrides;
var overrides = ( style._.overrides = {} ),
definition = style._.definition.overrides;
if ( definition )
{
// The override description can be a string, object or array.
// Internally, well handle arrays only, so transform it if needed.
if ( !CKEDITOR.tools.isArray( definition ) )
definition = [ definition ];
// Loop through all override definitions.
for ( var i = 0 ; i < definition.length ; i++ )
{
var override = definition[i];
var elementName;
var overrideEl;
var attrs;
// If can be a string with the element name.
if ( typeof override == 'string' )
elementName = override.toLowerCase();
// Or an object.
else
{
elementName = override.element ? override.element.toLowerCase() : style.element;
attrs = override.attributes;
}
// We can have more than one override definition for the same
// element name, so we attempt to simply append information to
// it if it already exists.
overrideEl = overrides[ elementName ] || ( overrides[ elementName ] = {} );
if ( attrs )
{
// The returning attributes list is an array, because we
// could have different override definitions for the same
// attribute name.
var overrideAttrs = ( overrideEl.attributes = overrideEl.attributes || new Array() );
for ( var attName in attrs )
{
// Each item in the attributes array is also an array,
// where [0] is the attribute name and [1] is the
// override value.
overrideAttrs.push( [ attName.toLowerCase(), attrs[ attName ] ] );
}
}
}
}
return overrides;
}
// Make the comparison of attribute value easier by standardizing it.
function normalizeProperty( name, value, isStyle )
{
var temp = new CKEDITOR.dom.element( 'span' );
temp [ isStyle ? 'setStyle' : 'setAttribute' ]( name, value );
return temp[ isStyle ? 'getStyle' : 'getAttribute' ]( name );
}
// Make the comparison of style text easier by standardizing it.
function normalizeCssText( unparsedCssText, nativeNormalize )
{
var styleText;
if ( nativeNormalize !== false )
{
// Injects the style in a temporary span object, so the browser parses it,
// retrieving its final format.
var temp = new CKEDITOR.dom.element( 'span' );
temp.setAttribute( 'style', unparsedCssText );
styleText = temp.getAttribute( 'style' ) || '';
}
else
styleText = unparsedCssText;
// Normalize font-family property, ignore quotes and being case insensitive. (#7322)
// http://www.w3.org/TR/css3-fonts/#font-family-the-font-family-property
styleText = styleText.replace( /(font-family:)(.*?)(?=;|$)/, function ( match, prop, val )
{
var names = val.split( ',' );
for ( var i = 0; i < names.length; i++ )
names[ i ] = CKEDITOR.tools.trim( names[ i ].replace( /["']/g, '' ) );
return prop + names.join( ',' );
});
// Shrinking white-spaces around colon and semi-colon (#4147).
// Compensate tail semi-colon.
return styleText.replace( /\s*([;:])\s*/, '$1' )
.replace( /([^\s;])$/, '$1;')
// Trimming spaces after comma(#4107),
// remove quotations(#6403),
// mostly for differences on "font-family".
.replace( /,\s+/g, ',' )
.replace( /\"/g,'' )
.toLowerCase();
}
// Turn inline style text properties into one hash.
function parseStyleText( styleText )
{
var retval = {};
styleText
.replace( /"/g, '"' )
.replace( /\s*([^ :;]+)\s*:\s*([^;]+)\s*(?=;|$)/g, function( match, name, value )
{
retval[ name ] = value;
} );
return retval;
}
/**
* Compare two bunch of styles, with the speciality that value 'inherit'
* is treated as a wildcard which will match any value.
* @param {Object|String} source
* @param {Object|String} target
*/
function compareCssText( source, target )
{
typeof source == 'string' && ( source = parseStyleText( source ) );
typeof target == 'string' && ( target = parseStyleText( target ) );
for( var name in source )
{
if ( !( name in target &&
( target[ name ] == source[ name ]
|| source[ name ] == 'inherit'
|| target[ name ] == 'inherit' ) ) )
{
return false;
}
}
return true;
}
function applyStyle( document, remove )
{
var selection = document.getSelection(),
// Bookmark the range so we can re-select it after processing.
bookmarks = selection.createBookmarks( 1 ),
ranges = selection.getRanges(),
func = remove ? this.removeFromRange : this.applyToRange,
range;
var iterator = ranges.createIterator();
while ( ( range = iterator.getNextRange() ) )
func.call( this, range );
if ( bookmarks.length == 1 && bookmarks[ 0 ].collapsed )
{
selection.selectRanges( ranges );
document.getById( bookmarks[ 0 ].startNode ).remove();
}
else
selection.selectBookmarks( bookmarks );
document.removeCustomData( 'doc_processing_style' );
}
})();
CKEDITOR.styleCommand = function( style )
{
this.style = style;
};
CKEDITOR.styleCommand.prototype.exec = function( editor )
{
editor.focus();
var doc = editor.document;
if ( doc )
{
if ( this.state == CKEDITOR.TRISTATE_OFF )
this.style.apply( doc );
else if ( this.state == CKEDITOR.TRISTATE_ON )
this.style.remove( doc );
}
return !!doc;
};
/**
* Manages styles registration and loading. See also {@link CKEDITOR.config.stylesSet}.
* @namespace
* @augments CKEDITOR.resourceManager
* @constructor
* @since 3.2
* @example
* // The set of styles for the <b>Styles</b> combo
* CKEDITOR.stylesSet.add( 'default',
* [
* // Block Styles
* { name : 'Blue Title' , element : 'h3', styles : { 'color' : 'Blue' } },
* { name : 'Red Title' , element : 'h3', styles : { 'color' : 'Red' } },
*
* // Inline Styles
* { name : 'Marker: Yellow' , element : 'span', styles : { 'background-color' : 'Yellow' } },
* { name : 'Marker: Green' , element : 'span', styles : { 'background-color' : 'Lime' } },
*
* // Object Styles
* {
* name : 'Image on Left',
* element : 'img',
* attributes :
* {
* 'style' : 'padding: 5px; margin-right: 5px',
* 'border' : '2',
* 'align' : 'left'
* }
* }
* ]);
*/
CKEDITOR.stylesSet = new CKEDITOR.resourceManager( '', 'stylesSet' );
// Backward compatibility (#5025).
CKEDITOR.addStylesSet = CKEDITOR.tools.bind( CKEDITOR.stylesSet.add, CKEDITOR.stylesSet );
CKEDITOR.loadStylesSet = function( name, url, callback )
{
CKEDITOR.stylesSet.addExternal( name, url, '' );
CKEDITOR.stylesSet.load( name, callback );
};
/**
* Gets the current styleSet for this instance
* @param {Function} callback The function to be called with the styles data.
* @example
* editor.getStylesSet( function( stylesDefinitions ) {} );
*/
CKEDITOR.editor.prototype.getStylesSet = function( callback )
{
if ( !this._.stylesDefinitions )
{
var editor = this,
// Respect the backwards compatible definition entry
configStyleSet = editor.config.stylesCombo_stylesSet || editor.config.stylesSet || 'default';
// #5352 Allow to define the styles directly in the config object
if ( configStyleSet instanceof Array )
{
editor._.stylesDefinitions = configStyleSet;
callback( configStyleSet );
return;
}
var partsStylesSet = configStyleSet.split( ':' ),
styleSetName = partsStylesSet[ 0 ],
externalPath = partsStylesSet[ 1 ],
pluginPath = CKEDITOR.plugins.registered.styles.path;
CKEDITOR.stylesSet.addExternal( styleSetName,
externalPath ?
partsStylesSet.slice( 1 ).join( ':' ) :
pluginPath + 'styles/' + styleSetName + '.js', '' );
CKEDITOR.stylesSet.load( styleSetName, function( stylesSet )
{
editor._.stylesDefinitions = stylesSet[ styleSetName ];
callback( editor._.stylesDefinitions );
} ) ;
}
else
callback( this._.stylesDefinitions );
};
/**
* Indicates that fully selected read-only elements will be included when
* applying the style (for inline styles only).
* @name CKEDITOR.style.includeReadonly
* @type Boolean
* @default false
* @since 3.5
*/
/**
* Disables inline styling on read-only elements.
* @name CKEDITOR.config.disableReadonlyStyling
* @type Boolean
* @default false
* @since 3.5
*/
/**
* The "styles definition set" to use in the editor. They will be used in the
* styles combo and the Style selector of the div container. <br>
* The styles may be defined in the page containing the editor, or can be
* loaded on demand from an external file. In the second case, if this setting
* contains only a name, the styles definition file will be loaded from the
* "styles" folder inside the styles plugin folder.
* Otherwise, this setting has the "name:url" syntax, making it
* possible to set the URL from which loading the styles file.<br>
* Previously this setting was available as config.stylesCombo_stylesSet<br>
* @name CKEDITOR.config.stylesSet
* @type String|Array
* @default 'default'
* @since 3.3
* @example
* // Load from the styles' styles folder (mystyles.js file).
* config.stylesSet = 'mystyles';
* @example
* // Load from a relative URL.
* config.stylesSet = 'mystyles:/editorstyles/styles.js';
* @example
* // Load from a full URL.
* config.stylesSet = 'mystyles:http://www.example.com/editorstyles/styles.js';
* @example
* // Load from a list of definitions.
* config.stylesSet = [
* { name : 'Strong Emphasis', element : 'strong' },
* { name : 'Emphasis', element : 'em' }, ... ];
*/
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