[1257] | 1 | /* |
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| 2 | * FCKeditor - The text editor for internet |
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| 3 | * Copyright (C) 2003-2006 Frederico Caldeira Knabben |
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| 4 | * |
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| 5 | * Licensed under the terms of the GNU Lesser General Public License: |
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| 6 | * http://www.opensource.org/licenses/lgpl-license.php |
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| 7 | * |
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| 8 | * For further information visit: |
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| 9 | * http://www.fckeditor.net/ |
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| 10 | * |
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| 11 | * "Support Open Source software. What about a donation today?" |
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| 12 | * |
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| 13 | * File Name: fcktools_ie.js |
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| 14 | * Utility functions. (IE version). |
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| 15 | * |
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| 16 | * File Authors: |
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| 17 | * Frederico Caldeira Knabben (fredck@fckeditor.net) |
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| 18 | */ |
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| 19 | |
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| 20 | FCKTools.CancelEvent = function( e ) |
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| 21 | { |
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| 22 | return false ; |
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| 23 | } |
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| 24 | |
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| 25 | // Appends one or more CSS files to a document. |
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| 26 | FCKTools._AppendStyleSheet = function( documentElement, cssFileUrl ) |
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| 27 | { |
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| 28 | return documentElement.createStyleSheet( cssFileUrl ).owningElement ; |
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| 29 | } |
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| 30 | |
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| 31 | // Removes all attributes and values from the element. |
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| 32 | FCKTools.ClearElementAttributes = function( element ) |
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| 33 | { |
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| 34 | element.clearAttributes() ; |
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| 35 | } |
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| 36 | |
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| 37 | FCKTools.GetAllChildrenIds = function( parentElement ) |
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| 38 | { |
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| 39 | var aIds = new Array() ; |
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| 40 | for ( var i = 0 ; i < parentElement.all.length ; i++ ) |
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| 41 | { |
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| 42 | var sId = parentElement.all[i].id ; |
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| 43 | if ( sId && sId.length > 0 ) |
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| 44 | aIds[ aIds.length ] = sId ; |
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| 45 | } |
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| 46 | return aIds ; |
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| 47 | } |
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| 48 | |
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| 49 | FCKTools.RemoveOuterTags = function( e ) |
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| 50 | { |
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| 51 | e.insertAdjacentHTML( 'beforeBegin', e.innerHTML ) ; |
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| 52 | e.parentNode.removeChild( e ) ; |
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| 53 | } |
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| 54 | |
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| 55 | FCKTools.CreateXmlObject = function( object ) |
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| 56 | { |
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| 57 | var aObjs ; |
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| 58 | |
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| 59 | switch ( object ) |
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| 60 | { |
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| 61 | case 'XmlHttp' : |
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| 62 | aObjs = [ 'MSXML2.XmlHttp', 'Microsoft.XmlHttp' ] ; |
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| 63 | break ; |
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| 64 | |
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| 65 | case 'DOMDocument' : |
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| 66 | aObjs = [ 'MSXML2.DOMDocument', 'Microsoft.XmlDom' ] ; |
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| 67 | break ; |
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| 68 | } |
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| 69 | |
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| 70 | for ( var i = 0 ; i < 2 ; i++ ) |
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| 71 | { |
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| 72 | try { return new ActiveXObject( aObjs[i] ) ; } |
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| 73 | catch (e) |
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| 74 | {} |
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| 75 | } |
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| 76 | |
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| 77 | if ( FCKLang.NoActiveX ) |
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| 78 | { |
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| 79 | alert( FCKLang.NoActiveX ) ; |
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| 80 | FCKLang.NoActiveX = null ; |
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| 81 | } |
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| 82 | } |
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| 83 | |
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| 84 | FCKTools.DisableSelection = function( element ) |
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| 85 | { |
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| 86 | element.unselectable = 'on' ; |
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| 87 | |
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| 88 | var e, i = 0 ; |
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| 89 | while ( e = element.all[ i++ ] ) |
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| 90 | { |
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| 91 | switch ( e.tagName ) |
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| 92 | { |
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| 93 | case 'IFRAME' : |
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| 94 | case 'TEXTAREA' : |
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| 95 | case 'INPUT' : |
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| 96 | case 'SELECT' : |
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| 97 | /* Ignore the above tags */ |
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| 98 | break ; |
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| 99 | default : |
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| 100 | e.unselectable = 'on' ; |
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| 101 | } |
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| 102 | } |
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| 103 | } |
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| 104 | |
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| 105 | FCKTools.GetScrollPosition = function( relativeWindow ) |
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| 106 | { |
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| 107 | var oDoc = relativeWindow.document ; |
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| 108 | |
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| 109 | // Try with the doc element. |
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| 110 | var oPos = { X : oDoc.documentElement.scrollLeft, Y : oDoc.documentElement.scrollTop } ; |
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| 111 | |
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| 112 | if ( oPos.X > 0 || oPos.Y > 0 ) |
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| 113 | return oPos ; |
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| 114 | |
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| 115 | // If no scroll, try with the body. |
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| 116 | return { X : oDoc.body.scrollLeft, Y : oDoc.body.scrollTop } ; |
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| 117 | } |
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| 118 | |
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| 119 | FCKTools.AddEventListener = function( sourceObject, eventName, listener ) |
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| 120 | { |
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| 121 | sourceObject.attachEvent( 'on' + eventName, listener ) ; |
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| 122 | } |
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| 123 | |
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| 124 | FCKTools.RemoveEventListener = function( sourceObject, eventName, listener ) |
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| 125 | { |
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| 126 | sourceObject.detachEvent( 'on' + eventName, listener ) ; |
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| 127 | } |
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| 128 | |
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| 129 | // Listeners attached with this function cannot be detached. |
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| 130 | FCKTools.AddEventListenerEx = function( sourceObject, eventName, listener, paramsArray ) |
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| 131 | { |
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| 132 | // Ok... this is a closures party, but is the only way to make it clean of memory leaks. |
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| 133 | var o = new Object() ; |
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| 134 | o.Source = sourceObject ; |
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| 135 | o.Params = paramsArray || [] ; // Memory leak if we have DOM objects here. |
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| 136 | o.Listener = function( ev ) |
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| 137 | { |
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| 138 | return listener.apply( o.Source, [ ev ].concat( o.Params ) ) ; |
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| 139 | } |
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| 140 | |
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| 141 | if ( FCK.IECleanup ) |
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| 142 | FCK.IECleanup.AddItem( null, function() { o.Source = null ; o.Params = null ; } ) ; |
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| 143 | |
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| 144 | sourceObject.attachEvent( 'on' + eventName, o.Listener ) ; |
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| 145 | |
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| 146 | sourceObject = null ; // Memory leak cleaner (because of the above closure). |
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| 147 | paramsArray = null ; // Memory leak cleaner (because of the above closure). |
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| 148 | } |
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| 149 | |
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| 150 | // Returns and object with the "Width" and "Height" properties. |
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| 151 | FCKTools.GetViewPaneSize = function( win ) |
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| 152 | { |
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| 153 | var oSizeSource ; |
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| 154 | |
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| 155 | var oDoc = win.document.documentElement ; |
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| 156 | if ( oDoc && oDoc.clientWidth ) // IE6 Strict Mode |
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| 157 | oSizeSource = oDoc ; |
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| 158 | else |
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| 159 | oSizeSource = top.document.body ; // Other IEs |
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| 160 | |
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| 161 | if ( oSizeSource ) |
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| 162 | return { Width : oSizeSource.clientWidth, Height : oSizeSource.clientHeight } ; |
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| 163 | else |
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| 164 | return { Width : 0, Height : 0 } ; |
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| 165 | } |
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| 166 | |
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| 167 | FCKTools.SaveStyles = function( element ) |
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| 168 | { |
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| 169 | var oSavedStyles = new Object() ; |
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| 170 | |
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| 171 | if ( element.className.length > 0 ) |
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| 172 | { |
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| 173 | oSavedStyles.Class = element.className ; |
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| 174 | element.className = '' ; |
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| 175 | } |
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| 176 | |
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| 177 | var sInlineStyle = element.style.cssText ; |
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| 178 | |
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| 179 | if ( sInlineStyle.length > 0 ) |
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| 180 | { |
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| 181 | oSavedStyles.Inline = sInlineStyle ; |
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| 182 | element.style.cssText = '' ; |
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| 183 | } |
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| 184 | |
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| 185 | return oSavedStyles ; |
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| 186 | } |
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| 187 | |
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| 188 | FCKTools.RestoreStyles = function( element, savedStyles ) |
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| 189 | { |
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| 190 | element.className = savedStyles.Class || '' ; |
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| 191 | element.style.cssText = savedStyles.Inline || '' ; |
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| 192 | } |
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| 193 | |
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| 194 | FCKTools.RegisterDollarFunction = function( targetWindow ) |
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| 195 | { |
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| 196 | targetWindow.$ = targetWindow.document.getElementById ; |
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| 197 | } |
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| 198 | |
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| 199 | FCKTools.AppendElement = function( target, elementName ) |
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| 200 | { |
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| 201 | return target.appendChild( this.GetElementDocument( target ).createElement( elementName ) ) ; |
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| 202 | } |
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