[795] | 1 | /* |
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| 2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net |
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| 3 | * Copyright (C) 2003-2007 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 | * Active selection functions. (Gecko specific implementation) |
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| 22 | */ |
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| 23 | |
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| 24 | // Get the selection type (like document.select.type in IE). |
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| 25 | FCKSelection.GetType = function() |
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| 26 | { |
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| 27 | // if ( ! this._Type ) |
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| 28 | // { |
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| 29 | // By default set the type to "Text". |
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| 30 | this._Type = 'Text' ; |
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| 31 | |
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| 32 | // Check if the actual selection is a Control (IMG, TABLE, HR, etc...). |
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| 33 | var oSel ; |
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| 34 | try { oSel = FCK.EditorWindow.getSelection() ; } |
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| 35 | catch (e) {} |
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| 36 | |
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| 37 | if ( oSel && oSel.rangeCount == 1 ) |
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| 38 | { |
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| 39 | var oRange = oSel.getRangeAt(0) ; |
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| 40 | if ( oRange.startContainer == oRange.endContainer && (oRange.endOffset - oRange.startOffset) == 1 && oRange.startContainer.nodeType != Node.TEXT_NODE ) |
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| 41 | this._Type = 'Control' ; |
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| 42 | } |
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| 43 | // } |
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| 44 | return this._Type ; |
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| 45 | } |
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| 46 | |
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| 47 | // Retrieves the selected element (if any), just in the case that a single |
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| 48 | // element (object like and image or a table) is selected. |
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| 49 | FCKSelection.GetSelectedElement = function() |
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| 50 | { |
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| 51 | if ( this.GetType() == 'Control' ) |
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| 52 | { |
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| 53 | var oSel = FCK.EditorWindow.getSelection() ; |
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| 54 | return oSel.anchorNode.childNodes[ oSel.anchorOffset ] ; |
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| 55 | } |
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| 56 | return null ; |
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| 57 | } |
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| 58 | |
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| 59 | FCKSelection.GetParentElement = function() |
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| 60 | { |
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| 61 | if ( this.GetType() == 'Control' ) |
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| 62 | return FCKSelection.GetSelectedElement().parentNode ; |
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| 63 | else |
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| 64 | { |
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| 65 | var oSel = FCK.EditorWindow.getSelection() ; |
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| 66 | if ( oSel ) |
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| 67 | { |
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| 68 | var oNode = oSel.anchorNode ; |
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| 69 | |
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| 70 | while ( oNode && oNode.nodeType != 1 ) |
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| 71 | oNode = oNode.parentNode ; |
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| 72 | |
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| 73 | return oNode ; |
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| 74 | } |
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| 75 | } |
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| 76 | return null ; |
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| 77 | } |
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| 78 | |
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| 79 | FCKSelection.SelectNode = function( element ) |
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| 80 | { |
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| 81 | // FCK.Focus() ; |
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| 82 | |
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| 83 | var oRange = FCK.EditorDocument.createRange() ; |
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| 84 | oRange.selectNode( element ) ; |
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| 85 | |
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| 86 | var oSel = FCK.EditorWindow.getSelection() ; |
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| 87 | oSel.removeAllRanges() ; |
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| 88 | oSel.addRange( oRange ) ; |
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| 89 | } |
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| 90 | |
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| 91 | FCKSelection.Collapse = function( toStart ) |
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| 92 | { |
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| 93 | var oSel = FCK.EditorWindow.getSelection() ; |
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| 94 | |
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| 95 | if ( toStart == null || toStart === true ) |
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| 96 | oSel.collapseToStart() ; |
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| 97 | else |
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| 98 | oSel.collapseToEnd() ; |
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| 99 | } |
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| 100 | |
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| 101 | // The "nodeTagName" parameter must be Upper Case. |
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| 102 | FCKSelection.HasAncestorNode = function( nodeTagName ) |
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| 103 | { |
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| 104 | var oContainer = this.GetSelectedElement() ; |
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| 105 | if ( ! oContainer && FCK.EditorWindow ) |
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| 106 | { |
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| 107 | try { oContainer = FCK.EditorWindow.getSelection().getRangeAt(0).startContainer ; } |
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| 108 | catch(e){} |
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| 109 | } |
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| 110 | |
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| 111 | while ( oContainer ) |
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| 112 | { |
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| 113 | if ( oContainer.nodeType == 1 && oContainer.tagName == nodeTagName ) return true ; |
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| 114 | oContainer = oContainer.parentNode ; |
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| 115 | } |
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| 116 | |
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| 117 | return false ; |
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| 118 | } |
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| 119 | |
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| 120 | // The "nodeTagName" parameter must be Upper Case. |
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| 121 | FCKSelection.MoveToAncestorNode = function( nodeTagName ) |
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| 122 | { |
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| 123 | var oNode ; |
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| 124 | |
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| 125 | var oContainer = this.GetSelectedElement() ; |
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| 126 | if ( ! oContainer ) |
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| 127 | oContainer = FCK.EditorWindow.getSelection().getRangeAt(0).startContainer ; |
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| 128 | |
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| 129 | while ( oContainer ) |
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| 130 | { |
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| 131 | if ( oContainer.nodeName == nodeTagName ) |
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| 132 | return oContainer ; |
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| 133 | |
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| 134 | oContainer = oContainer.parentNode ; |
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| 135 | } |
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| 136 | return null ; |
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| 137 | } |
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| 138 | |
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| 139 | FCKSelection.Delete = function() |
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| 140 | { |
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| 141 | // Gets the actual selection. |
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| 142 | var oSel = FCK.EditorWindow.getSelection() ; |
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| 143 | |
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| 144 | // Deletes the actual selection contents. |
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| 145 | for ( var i = 0 ; i < oSel.rangeCount ; i++ ) |
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| 146 | { |
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| 147 | oSel.getRangeAt(i).deleteContents() ; |
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| 148 | } |
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| 149 | |
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| 150 | return oSel ; |
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| 151 | } |
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