fckselection_gecko.js
上传用户:dbstep
上传日期:2022-08-06
资源大小:2803k
文件大小:6k
源码类别:
WEB源码(ASP,PHP,...)
开发平台:
ASP/ASPX
- /*
- * FCKeditor - The text editor for Internet - http://www.fckeditor.net
- * Copyright (C) 2003-2009 Frederico Caldeira Knabben
- *
- * == BEGIN LICENSE ==
- *
- * Licensed under the terms of any of the following licenses at your
- * choice:
- *
- * - GNU General Public License Version 2 or later (the "GPL")
- * http://www.gnu.org/licenses/gpl.html
- *
- * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
- * http://www.gnu.org/licenses/lgpl.html
- *
- * - Mozilla Public License Version 1.1 or later (the "MPL")
- * http://www.mozilla.org/MPL/MPL-1.1.html
- *
- * == END LICENSE ==
- *
- * Active selection functions. (Gecko specific implementation)
- */
- // Get the selection type (like document.select.type in IE).
- FCKSelection.GetType = function()
- {
- // By default set the type to "Text".
- var type = 'Text' ;
- // Check if the actual selection is a Control (IMG, TABLE, HR, etc...).
- var sel ;
- try { sel = this.GetSelection() ; } catch (e) {}
- if ( sel && sel.rangeCount == 1 )
- {
- var range = sel.getRangeAt(0) ;
- if ( range.startContainer == range.endContainer
- && ( range.endOffset - range.startOffset ) == 1
- && range.startContainer.nodeType == 1
- && FCKListsLib.StyleObjectElements[ range.startContainer.childNodes[ range.startOffset ].nodeName.toLowerCase() ] )
- {
- type = 'Control' ;
- }
- }
- return type ;
- }
- // Retrieves the selected element (if any), just in the case that a single
- // element (object like and image or a table) is selected.
- FCKSelection.GetSelectedElement = function()
- {
- var selection = !!FCK.EditorWindow && this.GetSelection() ;
- if ( !selection || selection.rangeCount < 1 )
- return null ;
- var range = selection.getRangeAt( 0 ) ;
- if ( range.startContainer != range.endContainer || range.startContainer.nodeType != 1 || range.startOffset != range.endOffset - 1 )
- return null ;
- var node = range.startContainer.childNodes[ range.startOffset ] ;
- if ( node.nodeType != 1 )
- return null ;
- return node ;
- }
- FCKSelection.GetParentElement = function()
- {
- if ( this.GetType() == 'Control' )
- return FCKSelection.GetSelectedElement().parentNode ;
- else
- {
- var oSel = this.GetSelection() ;
- if ( oSel )
- {
- // if anchorNode == focusNode, see if the selection is text only or including nodes.
- // if text only, return the parent node.
- // if the selection includes DOM nodes, then the anchorNode is the nearest container.
- if ( oSel.anchorNode && oSel.anchorNode == oSel.focusNode )
- {
- var oRange = oSel.getRangeAt( 0 ) ;
- if ( oRange.collapsed || oRange.startContainer.nodeType == 3 )
- return oSel.anchorNode.parentNode ;
- else
- return oSel.anchorNode ;
- }
- // looks like we're having a large selection here. To make the behavior same as IE's TextRange.parentElement(),
- // we need to find the nearest ancestor node which encapsulates both the beginning and the end of the selection.
- // TODO: A simpler logic can be found.
- var anchorPath = new FCKElementPath( oSel.anchorNode ) ;
- var focusPath = new FCKElementPath( oSel.focusNode ) ;
- var deepPath = null ;
- var shallowPath = null ;
- if ( anchorPath.Elements.length > focusPath.Elements.length )
- {
- deepPath = anchorPath.Elements ;
- shallowPath = focusPath.Elements ;
- }
- else
- {
- deepPath = focusPath.Elements ;
- shallowPath = anchorPath.Elements ;
- }
- var deepPathBase = deepPath.length - shallowPath.length ;
- for( var i = 0 ; i < shallowPath.length ; i++)
- {
- if ( deepPath[deepPathBase + i] == shallowPath[i])
- return shallowPath[i];
- }
- return null ;
- }
- }
- return null ;
- }
- FCKSelection.GetBoundaryParentElement = function( startBoundary )
- {
- if ( ! FCK.EditorWindow )
- return null ;
- if ( this.GetType() == 'Control' )
- return FCKSelection.GetSelectedElement().parentNode ;
- else
- {
- var oSel = this.GetSelection() ;
- if ( oSel && oSel.rangeCount > 0 )
- {
- var range = oSel.getRangeAt( startBoundary ? 0 : ( oSel.rangeCount - 1 ) ) ;
- var element = startBoundary ? range.startContainer : range.endContainer ;
- return ( element.nodeType == 1 ? element : element.parentNode ) ;
- }
- }
- return null ;
- }
- FCKSelection.SelectNode = function( element )
- {
- var oRange = FCK.EditorDocument.createRange() ;
- oRange.selectNode( element ) ;
- var oSel = this.GetSelection() ;
- oSel.removeAllRanges() ;
- oSel.addRange( oRange ) ;
- }
- FCKSelection.Collapse = function( toStart )
- {
- var oSel = this.GetSelection() ;
- if ( toStart == null || toStart === true )
- oSel.collapseToStart() ;
- else
- oSel.collapseToEnd() ;
- }
- // The "nodeTagName" parameter must be Upper Case.
- FCKSelection.HasAncestorNode = function( nodeTagName )
- {
- var oContainer = this.GetSelectedElement() ;
- if ( ! oContainer && FCK.EditorWindow )
- {
- try { oContainer = this.GetSelection().getRangeAt(0).startContainer ; }
- catch(e){}
- }
- while ( oContainer )
- {
- if ( oContainer.nodeType == 1 && oContainer.nodeName.IEquals( nodeTagName ) ) return true ;
- oContainer = oContainer.parentNode ;
- }
- return false ;
- }
- // The "nodeTagName" parameter must be Upper Case.
- FCKSelection.MoveToAncestorNode = function( nodeTagName )
- {
- var oNode ;
- var oContainer = this.GetSelectedElement() ;
- if ( ! oContainer )
- oContainer = this.GetSelection().getRangeAt(0).startContainer ;
- while ( oContainer )
- {
- if ( oContainer.nodeName.IEquals( nodeTagName ) )
- return oContainer ;
- oContainer = oContainer.parentNode ;
- }
- return null ;
- }
- FCKSelection.Delete = function()
- {
- // Gets the actual selection.
- var oSel = this.GetSelection() ;
- // Deletes the actual selection contents.
- for ( var i = 0 ; i < oSel.rangeCount ; i++ )
- {
- oSel.getRangeAt(i).deleteContents() ;
- }
- return oSel ;
- }
- /**
- * Returns the native selection object.
- */
- FCKSelection.GetSelection = function()
- {
- return FCK.EditorWindow.getSelection() ;
- }
- // The following are IE only features (we don't need then in other browsers
- // currently).
- FCKSelection.Save = function()
- {}
- FCKSelection.Restore = function()
- {}
- FCKSelection.Release = function()
- {}