[44] | 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: fckselection_gecko.js
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| 14 | * Active selection functions. (Gecko specific implementation)
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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 | // Get the selection type (like document.select.type in IE).
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| 21 | FCKSelection.GetType = function()
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| 22 | {
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| 23 | // if ( ! this._Type )
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| 24 | // {
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| 25 | // By default set the type to "Text".
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| 26 | this._Type = 'Text' ;
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| 27 |
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| 28 | // Check if the actual selection is a Control (IMG, TABLE, HR, etc...).
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| 29 | var oSel ;
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| 30 | try { oSel = FCK.EditorWindow.getSelection() ; }
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| 31 | catch (e) {}
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| 32 |
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| 33 | if ( oSel && oSel.rangeCount == 1 )
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| 34 | {
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| 35 | var oRange = oSel.getRangeAt(0) ;
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| 36 | if ( oRange.startContainer == oRange.endContainer && (oRange.endOffset - oRange.startOffset) == 1 && oRange.startContainer.nodeType != Node.TEXT_NODE )
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| 37 | this._Type = 'Control' ;
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| 38 | }
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| 39 | // }
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| 40 | return this._Type ;
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| 41 | }
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| 42 |
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| 43 | // Retrieves the selected element (if any), just in the case that a single
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| 44 | // element (object like and image or a table) is selected.
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| 45 | FCKSelection.GetSelectedElement = function()
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| 46 | {
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| 47 | if ( this.GetType() == 'Control' )
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| 48 | {
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| 49 | var oSel = FCK.EditorWindow.getSelection() ;
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| 50 | return oSel.anchorNode.childNodes[ oSel.anchorOffset ] ;
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| 51 | }
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| 52 | }
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| 53 |
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| 54 | FCKSelection.GetParentElement = function()
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| 55 | {
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| 56 | if ( this.GetType() == 'Control' )
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| 57 | return FCKSelection.GetSelectedElement().parentNode ;
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| 58 | else
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| 59 | {
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| 60 | var oSel = FCK.EditorWindow.getSelection() ;
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| 61 | if ( oSel )
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| 62 | {
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| 63 | var oNode = oSel.anchorNode ;
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| 64 |
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| 65 | while ( oNode && oNode.nodeType != 1 )
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| 66 | oNode = oNode.parentNode ;
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| 67 |
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| 68 | return oNode ;
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| 69 | }
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| 70 | }
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| 71 | }
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| 72 |
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| 73 | FCKSelection.SelectNode = function( element )
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| 74 | {
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| 75 | // FCK.Focus() ;
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| 76 |
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| 77 | var oRange = FCK.EditorDocument.createRange() ;
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| 78 | oRange.selectNode( element ) ;
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| 79 |
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| 80 | var oSel = FCK.EditorWindow.getSelection() ;
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| 81 | oSel.removeAllRanges() ;
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| 82 | oSel.addRange( oRange ) ;
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| 83 | }
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| 84 |
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| 85 | FCKSelection.Collapse = function( toStart )
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| 86 | {
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| 87 | var oSel = FCK.EditorWindow.getSelection() ;
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| 88 |
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| 89 | if ( toStart == null || toStart === true )
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| 90 | oSel.collapseToStart() ;
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| 91 | else
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| 92 | oSel.collapseToEnd() ;
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| 93 | }
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| 94 |
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| 95 | // The "nodeTagName" parameter must be Upper Case.
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| 96 | FCKSelection.HasAncestorNode = function( nodeTagName )
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| 97 | {
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| 98 | var oContainer = this.GetSelectedElement() ;
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| 99 | if ( ! oContainer && FCK.EditorWindow )
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| 100 | {
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| 101 | try { oContainer = FCK.EditorWindow.getSelection().getRangeAt(0).startContainer ; }
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| 102 | catch(e){}
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| 103 | }
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| 104 |
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| 105 | while ( oContainer )
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| 106 | {
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| 107 | if ( oContainer.nodeType == 1 && oContainer.tagName == nodeTagName ) return true ;
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| 108 | oContainer = oContainer.parentNode ;
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| 109 | }
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| 110 |
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| 111 | return false ;
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| 112 | }
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| 113 |
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| 114 | // The "nodeTagName" parameter must be Upper Case.
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| 115 | FCKSelection.MoveToAncestorNode = function( nodeTagName )
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| 116 | {
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| 117 | var oNode ;
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| 118 |
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| 119 | var oContainer = this.GetSelectedElement() ;
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| 120 | if ( ! oContainer )
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| 121 | oContainer = FCK.EditorWindow.getSelection().getRangeAt(0).startContainer ;
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| 122 |
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| 123 | while ( oContainer )
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| 124 | {
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| 125 | if ( oContainer.tagName == nodeTagName )
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| 126 | return oContainer ;
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| 127 | oContainer = oContainer.parentNode ;
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| 128 | }
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| 129 | return null ;
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| 130 | }
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| 131 |
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| 132 | FCKSelection.Delete = function()
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| 133 | {
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| 134 | // Gets the actual selection.
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| 135 | var oSel = FCK.EditorWindow.getSelection() ;
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| 136 |
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| 137 | // Deletes the actual selection contents.
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| 138 | for ( var i = 0 ; i < oSel.rangeCount ; i++ )
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| 139 | {
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| 140 | oSel.getRangeAt(i).deleteContents() ;
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| 141 | }
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| 142 |
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| 143 | return oSel ;
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| 144 | }
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