| 1 | /*
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| 2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net
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| 3 | * Copyright (C) 2003-2009 Frederico Caldeira Knabben
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| 4 | *
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| 5 | * == BEGIN LICENSE ==
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| 6 | *
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| 7 | * Licensed under the terms of any of the following licenses at your
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| 8 | * choice:
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| 9 | *
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| 10 | * - GNU General Public License Version 2 or later (the "GPL")
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| 11 | * http://www.gnu.org/licenses/gpl.html
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| 12 | *
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| 13 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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| 14 | * http://www.gnu.org/licenses/lgpl.html
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| 15 | *
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| 16 | * - Mozilla Public License Version 1.1 or later (the "MPL")
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| 17 | * http://www.mozilla.org/MPL/MPL-1.1.html
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| 18 | *
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| 19 | * == END LICENSE ==
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| 20 | *
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| 21 | * Creation and initialization of the "FCK" object. This is the main
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| 22 | * object that represents an editor instance.
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| 23 | * (Gecko specific implementations)
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| 24 | */
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| 25 |
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| 26 | FCK.Description = "FCKeditor for Gecko Browsers" ;
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| 27 |
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| 28 | FCK.InitializeBehaviors = function()
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| 29 | {
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| 30 | // When calling "SetData", the editing area IFRAME gets a fixed height. So we must recalculate it.
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| 31 | if ( window.onresize ) // Not for Safari/Opera.
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| 32 | window.onresize() ;
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| 33 |
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| 34 | FCKFocusManager.AddWindow( this.EditorWindow ) ;
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| 35 |
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| 36 | this.ExecOnSelectionChange = function()
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| 37 | {
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| 38 | FCK.Events.FireEvent( "OnSelectionChange" ) ;
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| 39 | }
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| 40 |
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| 41 | this._ExecDrop = function( evt )
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| 42 | {
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| 43 | if ( FCK.MouseDownFlag )
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| 44 | {
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| 45 | FCK.MouseDownFlag = false ;
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| 46 | return ;
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| 47 | }
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| 48 |
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| 49 | if ( FCKConfig.ForcePasteAsPlainText )
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| 50 | {
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| 51 | if ( evt.dataTransfer )
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| 52 | {
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| 53 | var text = evt.dataTransfer.getData( 'Text' ) ;
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| 54 | text = FCKTools.HTMLEncode( text ) ;
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| 55 | text = FCKTools.ProcessLineBreaks( window, FCKConfig, text ) ;
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| 56 | FCK.InsertHtml( text ) ;
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| 57 | }
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| 58 | else if ( FCKConfig.ShowDropDialog )
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| 59 | FCK.PasteAsPlainText() ;
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| 60 |
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| 61 | evt.preventDefault() ;
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| 62 | evt.stopPropagation() ;
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| 63 | }
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| 64 | }
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| 65 |
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| 66 | this._ExecCheckCaret = function( evt )
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| 67 | {
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| 68 | if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
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| 69 | return ;
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| 70 |
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| 71 | if ( evt.type == 'keypress' )
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| 72 | {
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| 73 | var keyCode = evt.keyCode ;
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| 74 | // ignore if positioning key is not pressed.
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| 75 | // left or up arrow keys need to be processed as well, since <a> links can be expanded in Gecko's editor
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| 76 | // when the caret moved left or up from another block element below.
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| 77 | if ( keyCode < 33 || keyCode > 40 )
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| 78 | return ;
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| 79 | }
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| 80 |
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| 81 | var blockEmptyStop = function( node )
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| 82 | {
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| 83 | if ( node.nodeType != 1 )
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| 84 | return false ;
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| 85 | var tag = node.tagName.toLowerCase() ;
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| 86 | return ( FCKListsLib.BlockElements[tag] || FCKListsLib.EmptyElements[tag] ) ;
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| 87 | }
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| 88 |
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| 89 | var moveCursor = function()
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| 90 | {
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| 91 | var selection = FCKSelection.GetSelection() ;
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| 92 | var range = selection.getRangeAt(0) ;
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| 93 | if ( ! range || ! range.collapsed )
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| 94 | return ;
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| 95 |
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| 96 | var node = range.endContainer ;
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| 97 |
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| 98 | // only perform the patched behavior if we're at the end of a text node.
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| 99 | if ( node.nodeType != 3 )
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| 100 | return ;
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| 101 |
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| 102 | if ( node.nodeValue.length != range.endOffset )
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| 103 | return ;
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| 104 |
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| 105 | // only perform the patched behavior if we're in an <a> tag, or the End key is pressed.
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| 106 | var parentTag = node.parentNode.tagName.toLowerCase() ;
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| 107 | if ( ! ( parentTag == 'a' || ( !FCKBrowserInfo.IsOpera && String(node.parentNode.contentEditable) == 'false' ) ||
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| 108 | ( ! ( FCKListsLib.BlockElements[parentTag] || FCKListsLib.NonEmptyBlockElements[parentTag] )
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| 109 | && keyCode == 35 ) ) )
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| 110 | return ;
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| 111 |
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| 112 | // our caret has moved to just after the last character of a text node under an unknown tag, how to proceed?
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| 113 | // first, see if there are other text nodes by DFS walking from this text node.
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| 114 | // - if the DFS has scanned all nodes under my parent, then go the next step.
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| 115 | // - if there is a text node after me but still under my parent, then do nothing and return.
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| 116 | var nextTextNode = FCKTools.GetNextTextNode( node, node.parentNode, blockEmptyStop ) ;
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| 117 | if ( nextTextNode )
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| 118 | return ;
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| 119 |
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| 120 | // we're pretty sure we need to move the caret forcefully from here.
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| 121 | range = FCK.EditorDocument.createRange() ;
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| 122 |
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| 123 | nextTextNode = FCKTools.GetNextTextNode( node, node.parentNode.parentNode, blockEmptyStop ) ;
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| 124 | if ( nextTextNode )
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| 125 | {
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| 126 | // Opera thinks the dummy empty text node we append beyond the end of <a> nodes occupies a caret
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| 127 | // position. So if the user presses the left key and we reset the caret position here, the user
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| 128 | // wouldn't be able to go back.
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| 129 | if ( FCKBrowserInfo.IsOpera && keyCode == 37 )
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| 130 | return ;
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| 131 |
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| 132 | // now we want to get out of our current parent node, adopt the next parent, and move the caret to
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| 133 | // the appropriate text node under our new parent.
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| 134 | // our new parent might be our current parent's siblings if we are lucky.
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| 135 | range.setStart( nextTextNode, 0 ) ;
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| 136 | range.setEnd( nextTextNode, 0 ) ;
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| 137 | }
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| 138 | else
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| 139 | {
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| 140 | // no suitable next siblings under our grandparent! what to do next?
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| 141 | while ( node.parentNode
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| 142 | && node.parentNode != FCK.EditorDocument.body
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| 143 | && node.parentNode != FCK.EditorDocument.documentElement
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| 144 | && node == node.parentNode.lastChild
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| 145 | && ( ! FCKListsLib.BlockElements[node.parentNode.tagName.toLowerCase()]
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| 146 | && ! FCKListsLib.NonEmptyBlockElements[node.parentNode.tagName.toLowerCase()] ) )
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| 147 | node = node.parentNode ;
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| 148 |
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| 149 |
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| 150 | if ( FCKListsLib.BlockElements[ parentTag ]
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| 151 | || FCKListsLib.EmptyElements[ parentTag ]
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| 152 | || node == FCK.EditorDocument.body )
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| 153 | {
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| 154 | // if our parent is a block node, move to the end of our parent.
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| 155 | range.setStart( node, node.childNodes.length ) ;
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| 156 | range.setEnd( node, node.childNodes.length ) ;
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| 157 | }
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| 158 | else
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| 159 | {
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| 160 | // things are a little bit more interesting if our parent is not a block node
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| 161 | // due to the weired ways how Gecko's caret acts...
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| 162 | var stopNode = node.nextSibling ;
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| 163 |
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| 164 | // find out the next block/empty element at our grandparent, we'll
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| 165 | // move the caret just before it.
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| 166 | while ( stopNode )
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| 167 | {
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| 168 | if ( stopNode.nodeType != 1 )
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| 169 | {
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| 170 | stopNode = stopNode.nextSibling ;
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| 171 | continue ;
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| 172 | }
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| 173 |
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| 174 | var stopTag = stopNode.tagName.toLowerCase() ;
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| 175 | if ( FCKListsLib.BlockElements[stopTag] || FCKListsLib.EmptyElements[stopTag]
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| 176 | || FCKListsLib.NonEmptyBlockElements[stopTag] )
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| 177 | break ;
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| 178 | stopNode = stopNode.nextSibling ;
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| 179 | }
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| 180 |
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| 181 | // note that the dummy marker below is NEEDED, otherwise the caret's behavior will
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| 182 | // be broken in Gecko.
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| 183 | var marker = FCK.EditorDocument.createTextNode( '' ) ;
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| 184 | if ( stopNode )
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| 185 | node.parentNode.insertBefore( marker, stopNode ) ;
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| 186 | else
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| 187 | node.parentNode.appendChild( marker ) ;
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| 188 | range.setStart( marker, 0 ) ;
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| 189 | range.setEnd( marker, 0 ) ;
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| 190 | }
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| 191 | }
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| 192 |
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| 193 | selection.removeAllRanges() ;
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| 194 | selection.addRange( range ) ;
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| 195 | FCK.Events.FireEvent( "OnSelectionChange" ) ;
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| 196 | }
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| 197 |
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| 198 | setTimeout( moveCursor, 1 ) ;
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| 199 | }
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| 200 |
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| 201 | this.ExecOnSelectionChangeTimer = function()
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| 202 | {
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| 203 | if ( FCK.LastOnChangeTimer )
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| 204 | window.clearTimeout( FCK.LastOnChangeTimer ) ;
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| 205 |
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| 206 | FCK.LastOnChangeTimer = window.setTimeout( FCK.ExecOnSelectionChange, 100 ) ;
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| 207 | }
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| 208 |
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| 209 | this.EditorDocument.addEventListener( 'mouseup', this.ExecOnSelectionChange, false ) ;
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| 210 |
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| 211 | // On Gecko, firing the "OnSelectionChange" event on every key press started to be too much
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| 212 | // slow. So, a timer has been implemented to solve performance issues when typing to quickly.
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| 213 | this.EditorDocument.addEventListener( 'keyup', this.ExecOnSelectionChangeTimer, false ) ;
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| 214 |
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| 215 | this._DblClickListener = function( e )
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| 216 | {
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| 217 | FCK.OnDoubleClick( e.target ) ;
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| 218 | e.stopPropagation() ;
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| 219 | }
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| 220 | this.EditorDocument.addEventListener( 'dblclick', this._DblClickListener, true ) ;
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| 221 |
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| 222 | // Record changes for the undo system when there are key down events.
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| 223 | this.EditorDocument.addEventListener( 'keydown', this._KeyDownListener, false ) ;
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| 224 |
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| 225 | // Hooks for data object drops
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| 226 | if ( FCKBrowserInfo.IsGecko )
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| 227 | {
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| 228 | this.EditorWindow.addEventListener( 'dragdrop', this._ExecDrop, true ) ;
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| 229 | }
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| 230 | else if ( FCKBrowserInfo.IsSafari )
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| 231 | {
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| 232 | this.EditorDocument.addEventListener( 'dragover', function ( evt )
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| 233 | { if ( !FCK.MouseDownFlag && FCK.Config.ForcePasteAsPlainText ) evt.returnValue = false ; }, true ) ;
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| 234 | this.EditorDocument.addEventListener( 'drop', this._ExecDrop, true ) ;
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| 235 | this.EditorDocument.addEventListener( 'mousedown',
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| 236 | function( ev )
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| 237 | {
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| 238 | var element = ev.srcElement ;
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| 239 |
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| 240 | if ( element.nodeName.IEquals( 'IMG', 'HR', 'INPUT', 'TEXTAREA', 'SELECT' ) )
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| 241 | {
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| 242 | FCKSelection.SelectNode( element ) ;
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| 243 | }
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| 244 | }, true ) ;
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| 245 |
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| 246 | this.EditorDocument.addEventListener( 'mouseup',
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| 247 | function( ev )
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| 248 | {
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| 249 | if ( ev.srcElement.nodeName.IEquals( 'INPUT', 'TEXTAREA', 'SELECT' ) )
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| 250 | ev.preventDefault()
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| 251 | }, true ) ;
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| 252 |
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| 253 | this.EditorDocument.addEventListener( 'click',
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| 254 | function( ev )
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| 255 | {
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| 256 | if ( ev.srcElement.nodeName.IEquals( 'INPUT', 'TEXTAREA', 'SELECT' ) )
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| 257 | ev.preventDefault()
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| 258 | }, true ) ;
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| 259 | }
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| 260 |
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| 261 | // Kludge for buggy Gecko caret positioning logic (Bug #393 and #1056)
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| 262 | if ( FCKBrowserInfo.IsGecko || FCKBrowserInfo.IsOpera )
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| 263 | {
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| 264 | this.EditorDocument.addEventListener( 'keypress', this._ExecCheckCaret, false ) ;
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| 265 | this.EditorDocument.addEventListener( 'click', this._ExecCheckCaret, false ) ;
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| 266 | }
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| 267 |
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| 268 | // Reset the context menu.
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| 269 | FCK.ContextMenu._InnerContextMenu.SetMouseClickWindow( FCK.EditorWindow ) ;
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| 270 | FCK.ContextMenu._InnerContextMenu.AttachToElement( FCK.EditorDocument ) ;
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| 271 | }
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| 272 |
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| 273 | FCK.MakeEditable = function()
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| 274 | {
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| 275 | this.EditingArea.MakeEditable() ;
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| 276 | }
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| 277 |
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| 278 | // Disable the context menu in the editor (outside the editing area).
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| 279 | function Document_OnContextMenu( e )
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| 280 | {
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| 281 | if ( !e.target._FCKShowContextMenu )
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| 282 | e.preventDefault() ;
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| 283 | }
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| 284 | document.oncontextmenu = Document_OnContextMenu ;
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| 285 |
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| 286 | // GetNamedCommandState overload for Gecko.
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| 287 | FCK._BaseGetNamedCommandState = FCK.GetNamedCommandState ;
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| 288 | FCK.GetNamedCommandState = function( commandName )
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| 289 | {
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| 290 | switch ( commandName )
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| 291 | {
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| 292 | case 'Unlink' :
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| 293 | return FCKSelection.HasAncestorNode('A') ? FCK_TRISTATE_OFF : FCK_TRISTATE_DISABLED ;
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| 294 | default :
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| 295 | return FCK._BaseGetNamedCommandState( commandName ) ;
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| 296 | }
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| 297 | }
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| 298 |
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| 299 | // Named commands to be handled by this browsers specific implementation.
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| 300 | FCK.RedirectNamedCommands =
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| 301 | {
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| 302 | Print : true,
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| 303 | Paste : true
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| 304 | } ;
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| 305 |
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| 306 | // ExecuteNamedCommand overload for Gecko.
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| 307 | FCK.ExecuteRedirectedNamedCommand = function( commandName, commandParameter )
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| 308 | {
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| 309 | switch ( commandName )
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| 310 | {
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| 311 | case 'Print' :
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| 312 | FCK.EditorWindow.print() ;
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| 313 | break ;
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| 314 | case 'Paste' :
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| 315 | try
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| 316 | {
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| 317 | // Force the paste dialog for Safari (#50).
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| 318 | if ( FCKBrowserInfo.IsSafari )
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| 319 | throw '' ;
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| 320 |
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| 321 | if ( FCK.Paste() )
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| 322 | FCK.ExecuteNamedCommand( 'Paste', null, true ) ;
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| 323 | }
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| 324 | catch (e) {
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| 325 | if ( FCKConfig.ForcePasteAsPlainText )
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| 326 | FCK.PasteAsPlainText() ;
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| 327 | else
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| 328 | FCKDialog.OpenDialog( 'FCKDialog_Paste', FCKLang.Paste, 'dialog/fck_paste.html', 400, 330, 'Security' ) ;
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| 329 | }
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| 330 | break ;
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| 331 | default :
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| 332 | FCK.ExecuteNamedCommand( commandName, commandParameter ) ;
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| 333 | }
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| 334 | }
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| 335 |
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| 336 | FCK._ExecPaste = function()
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| 337 | {
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| 338 | // Save a snapshot for undo before actually paste the text
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| 339 | FCKUndo.SaveUndoStep() ;
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| 340 |
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| 341 | if ( FCKConfig.ForcePasteAsPlainText )
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| 342 | {
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| 343 | FCK.PasteAsPlainText() ;
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| 344 | return false ;
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| 345 | }
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| 346 |
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| 347 | /* For now, the AutoDetectPasteFromWord feature is IE only. */
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| 348 | return true ;
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| 349 | }
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| 350 |
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| 351 | //**
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| 352 | // FCK.InsertHtml: Inserts HTML at the current cursor location. Deletes the
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| 353 | // selected content if any.
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| 354 | FCK.InsertHtml = function( html )
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| 355 | {
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| 356 | var doc = FCK.EditorDocument,
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| 357 | range;
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| 358 |
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| 359 | html = FCKConfig.ProtectedSource.Protect( html ) ;
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| 360 | html = FCK.ProtectEvents( html ) ;
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| 361 | html = FCK.ProtectUrls( html ) ;
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| 362 | html = FCK.ProtectTags( html ) ;
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| 363 |
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| 364 | // Save an undo snapshot first.
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| 365 | FCKUndo.SaveUndoStep() ;
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| 366 |
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| 367 | if ( FCKBrowserInfo.IsGecko )
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| 368 | {
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| 369 | html = html.replace( / $/, '$&<span _fcktemp="1"/>' ) ;
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| 370 |
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| 371 | var docFrag = new FCKDocumentFragment( this.EditorDocument ) ;
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| 372 | docFrag.AppendHtml( html ) ;
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| 373 |
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| 374 | var lastNode = docFrag.RootNode.lastChild ;
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| 375 |
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| 376 | range = new FCKDomRange( this.EditorWindow ) ;
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| 377 | range.MoveToSelection() ;
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| 378 |
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| 379 | // If the first element (if exists) of the document fragment is a block
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| 380 | // element, then split the current block. (#1537)
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| 381 | var currentNode = docFrag.RootNode.firstChild ;
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| 382 | while ( currentNode && currentNode.nodeType != 1 )
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| 383 | currentNode = currentNode.nextSibling ;
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| 384 |
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| 385 | if ( currentNode && FCKListsLib.BlockElements[ currentNode.nodeName.toLowerCase() ] )
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| 386 | range.SplitBlock() ;
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| 387 |
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| 388 | range.DeleteContents() ;
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| 389 | range.InsertNode( docFrag.RootNode ) ;
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| 390 |
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| 391 | range.MoveToPosition( lastNode, 4 ) ;
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| 392 | }
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| 393 | else
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| 394 | doc.execCommand( 'inserthtml', false, html ) ;
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| 395 |
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| 396 | this.Focus() ;
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| 397 |
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| 398 | // Save the caret position before calling document processor.
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| 399 | if ( !range )
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| 400 | {
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| 401 | range = new FCKDomRange( this.EditorWindow ) ;
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| 402 | range.MoveToSelection() ;
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| 403 | }
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| 404 | var bookmark = range.CreateBookmark() ;
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| 405 |
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| 406 | FCKDocumentProcessor.Process( doc ) ;
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| 407 |
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| 408 | // Restore caret position, ignore any errors in case the document
|
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| 409 | // processor removed the bookmark <span>s for some reason.
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| 410 | try
|
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| 411 | {
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| 412 | range.MoveToBookmark( bookmark ) ;
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| 413 | range.Select() ;
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| 414 | }
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|---|
| 415 | catch ( e ) {}
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| 416 |
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| 417 | // For some strange reason the SaveUndoStep() call doesn't activate the undo button at the first InsertHtml() call.
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| 418 | this.Events.FireEvent( "OnSelectionChange" ) ;
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| 419 | }
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|---|
| 420 |
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| 421 | FCK.PasteAsPlainText = function()
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| 422 | {
|
|---|
| 423 | // TODO: Implement the "Paste as Plain Text" code.
|
|---|
| 424 |
|
|---|
| 425 | // If the function is called immediately Firefox 2 does automatically paste the contents as soon as the new dialog is created
|
|---|
| 426 | // so we run it in a Timeout and the paste event can be cancelled
|
|---|
| 427 | FCKTools.RunFunction( FCKDialog.OpenDialog, FCKDialog, ['FCKDialog_Paste', FCKLang.PasteAsText, 'dialog/fck_paste.html', 400, 330, 'PlainText'] ) ;
|
|---|
| 428 |
|
|---|
| 429 | /*
|
|---|
| 430 | var sText = FCKTools.HTMLEncode( clipboardData.getData("Text") ) ;
|
|---|
| 431 | sText = sText.replace( /\n/g, '<BR>' ) ;
|
|---|
| 432 | this.InsertHtml( sText ) ;
|
|---|
| 433 | */
|
|---|
| 434 | }
|
|---|
| 435 | /*
|
|---|
| 436 | FCK.PasteFromWord = function()
|
|---|
| 437 | {
|
|---|
| 438 | // TODO: Implement the "Paste as Plain Text" code.
|
|---|
| 439 |
|
|---|
| 440 | FCKDialog.OpenDialog( 'FCKDialog_Paste', FCKLang.PasteFromWord, 'dialog/fck_paste.html', 400, 330, 'Word' ) ;
|
|---|
| 441 |
|
|---|
| 442 | // FCK.CleanAndPaste( FCK.GetClipboardHTML() ) ;
|
|---|
| 443 | }
|
|---|
| 444 | */
|
|---|
| 445 | FCK.GetClipboardHTML = function()
|
|---|
| 446 | {
|
|---|
| 447 | return '' ;
|
|---|
| 448 | }
|
|---|
| 449 |
|
|---|
| 450 | FCK.CreateLink = function( url, noUndo )
|
|---|
| 451 | {
|
|---|
| 452 | // Creates the array that will be returned. It contains one or more created links (see #220).
|
|---|
| 453 | var aCreatedLinks = new Array() ;
|
|---|
| 454 |
|
|---|
| 455 | // Only for Safari, a collapsed selection may create a link. All other
|
|---|
| 456 | // browser will have no links created. So, we check it here and return
|
|---|
| 457 | // immediatelly, having the same cross browser behavior.
|
|---|
| 458 | if ( FCKSelection.GetSelection().isCollapsed )
|
|---|
| 459 | return aCreatedLinks ;
|
|---|
| 460 |
|
|---|
| 461 | FCK.ExecuteNamedCommand( 'Unlink', null, false, !!noUndo ) ;
|
|---|
| 462 |
|
|---|
| 463 | if ( url.length > 0 )
|
|---|
| 464 | {
|
|---|
| 465 | // Generate a temporary name for the link.
|
|---|
| 466 | var sTempUrl = 'javascript:void(0);/*' + ( new Date().getTime() ) + '*/' ;
|
|---|
| 467 |
|
|---|
| 468 | // Use the internal "CreateLink" command to create the link.
|
|---|
| 469 | FCK.ExecuteNamedCommand( 'CreateLink', sTempUrl, false, !!noUndo ) ;
|
|---|
| 470 |
|
|---|
| 471 | // Retrieve the just created links using XPath.
|
|---|
| 472 | var oLinksInteractor = this.EditorDocument.evaluate("//a[@href='" + sTempUrl + "']", this.EditorDocument.body, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null) ;
|
|---|
| 473 |
|
|---|
| 474 | // Add all links to the returning array.
|
|---|
| 475 | for ( var i = 0 ; i < oLinksInteractor.snapshotLength ; i++ )
|
|---|
| 476 | {
|
|---|
| 477 | var oLink = oLinksInteractor.snapshotItem( i ) ;
|
|---|
| 478 | oLink.href = url ;
|
|---|
| 479 |
|
|---|
| 480 | aCreatedLinks.push( oLink ) ;
|
|---|
| 481 | }
|
|---|
| 482 | }
|
|---|
| 483 |
|
|---|
| 484 | return aCreatedLinks ;
|
|---|
| 485 | }
|
|---|
| 486 |
|
|---|
| 487 | FCK._FillEmptyBlock = function( emptyBlockNode )
|
|---|
| 488 | {
|
|---|
| 489 | if ( ! emptyBlockNode || emptyBlockNode.nodeType != 1 )
|
|---|
| 490 | return ;
|
|---|
| 491 | var nodeTag = emptyBlockNode.tagName.toLowerCase() ;
|
|---|
| 492 | if ( nodeTag != 'p' && nodeTag != 'div' )
|
|---|
| 493 | return ;
|
|---|
| 494 | if ( emptyBlockNode.firstChild )
|
|---|
| 495 | return ;
|
|---|
| 496 | FCKTools.AppendBogusBr( emptyBlockNode ) ;
|
|---|
| 497 | }
|
|---|
| 498 |
|
|---|
| 499 | FCK._ExecCheckEmptyBlock = function()
|
|---|
| 500 | {
|
|---|
| 501 | FCK._FillEmptyBlock( FCK.EditorDocument.body.firstChild ) ;
|
|---|
| 502 | var sel = FCKSelection.GetSelection() ;
|
|---|
| 503 | if ( !sel || sel.rangeCount < 1 )
|
|---|
| 504 | return ;
|
|---|
| 505 | var range = sel.getRangeAt( 0 );
|
|---|
| 506 | FCK._FillEmptyBlock( range.startContainer ) ;
|
|---|
| 507 | }
|
|---|
