--- /dev/null
+/*\r
+Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.\r
+For licensing, see LICENSE.html or http://ckeditor.com/license\r
+*/\r
+\r
+(function()\r
+{\r
+ var guardElements = { table:1, ul:1, ol:1, blockquote:1, div:1 },\r
+ directSelectionGuardElements = {},\r
+ // All guard elements which can have a direction applied on them.\r
+ allGuardElements = {};\r
+ CKEDITOR.tools.extend( directSelectionGuardElements, guardElements, { tr:1, p:1, div:1, li:1 } );\r
+ CKEDITOR.tools.extend( allGuardElements, directSelectionGuardElements, { td:1 } );\r
+\r
+ function onSelectionChange( e )\r
+ {\r
+ setToolbarStates( e );\r
+ handleMixedDirContent( e );\r
+ }\r
+\r
+ function setToolbarStates( evt )\r
+ {\r
+ var editor = evt.editor,\r
+ path = evt.data.path;\r
+\r
+ if ( editor.readOnly )\r
+ return;\r
+\r
+ var useComputedState = editor.config.useComputedState,\r
+ selectedElement;\r
+\r
+ useComputedState = useComputedState === undefined || useComputedState;\r
+\r
+ // We can use computedState provided by the browser or traverse parents manually.\r
+ if ( !useComputedState )\r
+ selectedElement = getElementForDirection( path.lastElement );\r
+\r
+ selectedElement = selectedElement || path.block || path.blockLimit;\r
+\r
+ // If we're having BODY here, user probably done CTRL+A, let's try to get the enclosed node, if any.\r
+ if ( selectedElement.is( 'body' ) )\r
+ {\r
+ var enclosedNode = editor.getSelection().getRanges()[ 0 ].getEnclosedNode();\r
+ enclosedNode && enclosedNode.type == CKEDITOR.NODE_ELEMENT && ( selectedElement = enclosedNode );\r
+ }\r
+\r
+ if ( !selectedElement )\r
+ return;\r
+\r
+ var selectionDir = useComputedState ?\r
+ selectedElement.getComputedStyle( 'direction' ) :\r
+ selectedElement.getStyle( 'direction' ) || selectedElement.getAttribute( 'dir' );\r
+\r
+ editor.getCommand( 'bidirtl' ).setState( selectionDir == 'rtl' ? CKEDITOR.TRISTATE_ON : CKEDITOR.TRISTATE_OFF );\r
+ editor.getCommand( 'bidiltr' ).setState( selectionDir == 'ltr' ? CKEDITOR.TRISTATE_ON : CKEDITOR.TRISTATE_OFF );\r
+ }\r
+\r
+ function handleMixedDirContent( evt )\r
+ {\r
+ var editor = evt.editor,\r
+ directionNode = evt.data.path.block || evt.data.path.blockLimit;\r
+\r
+ editor.fire( 'contentDirChanged', directionNode ? directionNode.getComputedStyle( 'direction' ) : editor.lang.dir );\r
+ }\r
+\r
+ /**\r
+ * Returns element with possibility of applying the direction.\r
+ * @param node\r
+ */\r
+ function getElementForDirection( node )\r
+ {\r
+ while ( node && !( node.getName() in allGuardElements || node.is( 'body' ) ) )\r
+ {\r
+ var parent = node.getParent();\r
+ if ( !parent )\r
+ break;\r
+\r
+ node = parent;\r
+ }\r
+\r
+ return node;\r
+ }\r
+\r
+ function switchDir( element, dir, editor, database )\r
+ {\r
+ if ( element.isReadOnly() )\r
+ return;\r
+\r
+ // Mark this element as processed by switchDir.\r
+ CKEDITOR.dom.element.setMarker( database, element, 'bidi_processed', 1 );\r
+\r
+ // Check whether one of the ancestors has already been styled.\r
+ var parent = element;\r
+ while ( ( parent = parent.getParent() ) && !parent.is( 'body' ) )\r
+ {\r
+ if ( parent.getCustomData( 'bidi_processed' ) )\r
+ {\r
+ // Ancestor style must dominate.\r
+ element.removeStyle( 'direction' );\r
+ element.removeAttribute( 'dir' );\r
+ return;\r
+ }\r
+ }\r
+\r
+ var useComputedState = ( 'useComputedState' in editor.config ) ? editor.config.useComputedState : 1;\r
+\r
+ var elementDir = useComputedState ? element.getComputedStyle( 'direction' )\r
+ : element.getStyle( 'direction' ) || element.hasAttribute( 'dir' );\r
+\r
+ // Stop if direction is same as present.\r
+ if ( elementDir == dir )\r
+ return;\r
+\r
+ // Clear direction on this element.\r
+ element.removeStyle( 'direction' );\r
+\r
+ // Do the second check when computed state is ON, to check\r
+ // if we need to apply explicit direction on this element.\r
+ if ( useComputedState )\r
+ {\r
+ element.removeAttribute( 'dir' );\r
+ if ( dir != element.getComputedStyle( 'direction' ) )\r
+ element.setAttribute( 'dir', dir );\r
+ }\r
+ else\r
+ // Set new direction for this element.\r
+ element.setAttribute( 'dir', dir );\r
+\r
+ editor.forceNextSelectionCheck();\r
+\r
+ return;\r
+ }\r
+\r
+ function getFullySelected( range, elements, enterMode )\r
+ {\r
+ var ancestor = range.getCommonAncestor( false, true );\r
+\r
+ range = range.clone();\r
+ range.enlarge( enterMode == CKEDITOR.ENTER_BR ?\r
+ CKEDITOR.ENLARGE_LIST_ITEM_CONTENTS\r
+ : CKEDITOR.ENLARGE_BLOCK_CONTENTS );\r
+\r
+ if ( range.checkBoundaryOfElement( ancestor, CKEDITOR.START )\r
+ && range.checkBoundaryOfElement( ancestor, CKEDITOR.END ) )\r
+ {\r
+ var parent;\r
+ while ( ancestor && ancestor.type == CKEDITOR.NODE_ELEMENT\r
+ && ( parent = ancestor.getParent() )\r
+ && parent.getChildCount() == 1\r
+ && !( ancestor.getName() in elements ) )\r
+ ancestor = parent;\r
+\r
+ return ancestor.type == CKEDITOR.NODE_ELEMENT\r
+ && ( ancestor.getName() in elements )\r
+ && ancestor;\r
+ }\r
+ }\r
+\r
+ function bidiCommand( dir )\r
+ {\r
+ return function( editor )\r
+ {\r
+ var selection = editor.getSelection(),\r
+ enterMode = editor.config.enterMode,\r
+ ranges = selection.getRanges();\r
+\r
+ if ( ranges && ranges.length )\r
+ {\r
+ var database = {};\r
+\r
+ // Creates bookmarks for selection, as we may split some blocks.\r
+ var bookmarks = selection.createBookmarks();\r
+\r
+ var rangeIterator = ranges.createIterator(),\r
+ range,\r
+ i = 0;\r
+\r
+ while ( ( range = rangeIterator.getNextRange( 1 ) ) )\r
+ {\r
+ // Apply do directly selected elements from guardElements.\r
+ var selectedElement = range.getEnclosedNode();\r
+\r
+ // If this is not our element of interest, apply to fully selected elements from guardElements.\r
+ if ( !selectedElement || selectedElement\r
+ && !( selectedElement.type == CKEDITOR.NODE_ELEMENT && selectedElement.getName() in directSelectionGuardElements )\r
+ )\r
+ selectedElement = getFullySelected( range, guardElements, enterMode );\r
+\r
+ selectedElement && switchDir( selectedElement, dir, editor, database );\r
+\r
+ var iterator,\r
+ block;\r
+\r
+ // Walker searching for guardElements.\r
+ var walker = new CKEDITOR.dom.walker( range );\r
+\r
+ var start = bookmarks[ i ].startNode,\r
+ end = bookmarks[ i++ ].endNode;\r
+\r
+ walker.evaluator = function( node )\r
+ {\r
+ return !! ( node.type == CKEDITOR.NODE_ELEMENT\r
+ && node.getName() in guardElements\r
+ && !( node.getName() == ( enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' )\r
+ && node.getParent().type == CKEDITOR.NODE_ELEMENT\r
+ && node.getParent().getName() == 'blockquote' )\r
+ // Element must be fully included in the range as well. (#6485).\r
+ && node.getPosition( start ) & CKEDITOR.POSITION_FOLLOWING\r
+ && ( ( node.getPosition( end ) & CKEDITOR.POSITION_PRECEDING + CKEDITOR.POSITION_CONTAINS ) == CKEDITOR.POSITION_PRECEDING ) );\r
+ };\r
+\r
+ while ( ( block = walker.next() ) )\r
+ switchDir( block, dir, editor, database );\r
+\r
+ iterator = range.createIterator();\r
+ iterator.enlargeBr = enterMode != CKEDITOR.ENTER_BR;\r
+\r
+ while ( ( block = iterator.getNextParagraph( enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' ) ) )\r
+ switchDir( block, dir, editor, database );\r
+ }\r
+\r
+ CKEDITOR.dom.element.clearAllMarkers( database );\r
+\r
+ editor.forceNextSelectionCheck();\r
+ // Restore selection position.\r
+ selection.selectBookmarks( bookmarks );\r
+\r
+ editor.focus();\r
+ }\r
+ };\r
+ }\r
+\r
+ CKEDITOR.plugins.add( 'bidi',\r
+ {\r
+ requires : [ 'styles', 'button' ],\r
+\r
+ init : function( editor )\r
+ {\r
+ // All buttons use the same code to register. So, to avoid\r
+ // duplications, let's use this tool function.\r
+ var addButtonCommand = function( buttonName, buttonLabel, commandName, commandExec )\r
+ {\r
+ editor.addCommand( commandName, new CKEDITOR.command( editor, { exec : commandExec }) );\r
+\r
+ editor.ui.addButton( buttonName,\r
+ {\r
+ label : buttonLabel,\r
+ command : commandName\r
+ });\r
+ };\r
+\r
+ var lang = editor.lang.bidi;\r
+\r
+ addButtonCommand( 'BidiLtr', lang.ltr, 'bidiltr', bidiCommand( 'ltr' ) );\r
+ addButtonCommand( 'BidiRtl', lang.rtl, 'bidirtl', bidiCommand( 'rtl' ) );\r
+\r
+ editor.on( 'selectionChange', onSelectionChange );\r
+ editor.on( 'contentDom', function()\r
+ {\r
+ editor.document.on( 'dirChanged', function( evt )\r
+ {\r
+ editor.fire( 'dirChanged',\r
+ {\r
+ node : evt.data,\r
+ dir : evt.data.getDirection( 1 )\r
+ } );\r
+ });\r
+ });\r
+ }\r
+ });\r
+\r
+ // If the element direction changed, we need to switch the margins of\r
+ // the element and all its children, so it will get really reflected\r
+ // like a mirror. (#5910)\r
+ function isOffline( el )\r
+ {\r
+ var html = el.getDocument().getBody().getParent();\r
+ while ( el )\r
+ {\r
+ if ( el.equals( html ) )\r
+ return false;\r
+ el = el.getParent();\r
+ }\r
+ return true;\r
+ }\r
+ function dirChangeNotifier( org )\r
+ {\r
+ var isAttribute = org == elementProto.setAttribute,\r
+ isRemoveAttribute = org == elementProto.removeAttribute,\r
+ dirStyleRegexp = /\bdirection\s*:\s*(.*?)\s*(:?$|;)/;\r
+\r
+ return function( name, val )\r
+ {\r
+ if ( !this.getDocument().equals( CKEDITOR.document ) )\r
+ {\r
+ var orgDir;\r
+ if ( ( name == ( isAttribute || isRemoveAttribute ? 'dir' : 'direction' ) ||\r
+ name == 'style' && ( isRemoveAttribute || dirStyleRegexp.test( val ) ) ) && !isOffline( this ) )\r
+ {\r
+ orgDir = this.getDirection( 1 );\r
+ var retval = org.apply( this, arguments );\r
+ if ( orgDir != this.getDirection( 1 ) )\r
+ {\r
+ this.getDocument().fire( 'dirChanged', this );\r
+ return retval;\r
+ }\r
+ }\r
+ }\r
+\r
+ return org.apply( this, arguments );\r
+ };\r
+ }\r
+\r
+ var elementProto = CKEDITOR.dom.element.prototype,\r
+ methods = [ 'setStyle', 'removeStyle', 'setAttribute', 'removeAttribute' ];\r
+ for ( var i = 0; i < methods.length; i++ )\r
+ elementProto[ methods[ i ] ] = CKEDITOR.tools.override( elementProto[ methods [ i ] ], dirChangeNotifier );\r
+})();\r
+\r
+/**\r
+ * Fired when the language direction of an element is changed\r
+ * @name CKEDITOR.editor#dirChanged\r
+ * @event\r
+ * @param {CKEDITOR.editor} editor This editor instance.\r
+ * @param {Object} eventData.node The element that is being changed.\r
+ * @param {String} eventData.dir The new direction.\r
+ */\r
+\r
+/**\r
+ * Fired when the language direction in the specific cursor position is changed\r
+ * @name CKEDITOR.editor#contentDirChanged\r
+ * @event\r
+ * @param {String} eventData The direction in the current position.\r
+ */\r
projects / ckeditor.git / blobdiff