[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: fckselection_ie.js |
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| 14 | * Active selection functions. (IE 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. |
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| 21 | FCKSelection.GetType = function() |
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| 22 | { |
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| 23 | return FCK.EditorDocument.selection.type ; |
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| 24 | } |
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| 25 | |
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| 26 | // Retrieves the selected element (if any), just in the case that a single |
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| 27 | // element (object like and image or a table) is selected. |
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| 28 | FCKSelection.GetSelectedElement = function() |
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| 29 | { |
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| 30 | if ( this.GetType() == 'Control' ) |
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| 31 | { |
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| 32 | var oRange = FCK.EditorDocument.selection.createRange() ; |
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| 33 | |
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| 34 | if ( oRange && oRange.item ) |
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| 35 | return FCK.EditorDocument.selection.createRange().item(0) ; |
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| 36 | } |
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| 37 | } |
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| 38 | |
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| 39 | FCKSelection.GetParentElement = function() |
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| 40 | { |
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| 41 | switch ( this.GetType() ) |
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| 42 | { |
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| 43 | case 'Control' : |
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| 44 | return FCKSelection.GetSelectedElement().parentElement ; |
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| 45 | case 'None' : |
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| 46 | return ; |
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| 47 | default : |
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| 48 | return FCK.EditorDocument.selection.createRange().parentElement() ; |
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| 49 | } |
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| 50 | } |
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| 51 | |
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| 52 | FCKSelection.SelectNode = function( node ) |
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| 53 | { |
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| 54 | FCK.Focus() ; |
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| 55 | FCK.EditorDocument.selection.empty() ; |
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| 56 | |
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| 57 | try |
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| 58 | { |
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| 59 | // Try to select the node as a control. |
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| 60 | var oRange = FCK.EditorDocument.body.createControlRange() ; |
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| 61 | oRange.addElement( node ) ; |
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| 62 | } |
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| 63 | catch(e) |
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| 64 | { |
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| 65 | // If failed, select it as a text range. |
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| 66 | var oRange = FCK.EditorDocument.selection.createRange() ; |
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| 67 | oRange.moveToElementText( node ) ; |
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| 68 | } |
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| 69 | |
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| 70 | oRange.select() ; |
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| 71 | } |
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| 72 | |
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| 73 | FCKSelection.Collapse = function( toStart ) |
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| 74 | { |
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| 75 | FCK.Focus() ; |
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| 76 | if ( this.GetType() == 'Text' ) |
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| 77 | { |
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| 78 | var oRange = FCK.EditorDocument.selection.createRange() ; |
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| 79 | oRange.collapse( toStart == null || toStart === true ) ; |
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| 80 | oRange.select() ; |
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| 81 | } |
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| 82 | } |
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| 83 | |
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| 84 | // The "nodeTagName" parameter must be Upper Case. |
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| 85 | FCKSelection.HasAncestorNode = function( nodeTagName ) |
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| 86 | { |
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| 87 | var oContainer ; |
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| 88 | |
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| 89 | if ( FCK.EditorDocument.selection.type == "Control" ) |
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| 90 | { |
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| 91 | oContainer = this.GetSelectedElement() ; |
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| 92 | } |
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| 93 | else |
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| 94 | { |
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| 95 | var oRange = FCK.EditorDocument.selection.createRange() ; |
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| 96 | oContainer = oRange.parentElement() ; |
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| 97 | } |
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| 98 | |
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| 99 | while ( oContainer ) |
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| 100 | { |
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| 101 | if ( oContainer.tagName == nodeTagName ) return true ; |
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| 102 | oContainer = oContainer.parentNode ; |
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| 103 | } |
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| 104 | |
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| 105 | return false ; |
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| 106 | } |
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| 107 | |
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| 108 | // The "nodeTagName" parameter must be UPPER CASE. |
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| 109 | FCKSelection.MoveToAncestorNode = function( nodeTagName ) |
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| 110 | { |
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| 111 | var oNode ; |
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| 112 | |
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| 113 | if ( FCK.EditorDocument.selection.type == "Control" ) |
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| 114 | { |
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| 115 | var oRange = FCK.EditorDocument.selection.createRange() ; |
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| 116 | for ( i = 0 ; i < oRange.length ; i++ ) |
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| 117 | { |
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| 118 | if (oRange(i).parentNode) |
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| 119 | { |
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| 120 | oNode = oRange(i).parentNode ; |
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| 121 | break ; |
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| 122 | } |
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| 123 | } |
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| 124 | } |
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| 125 | else |
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| 126 | { |
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| 127 | var oRange = FCK.EditorDocument.selection.createRange() ; |
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| 128 | oNode = oRange.parentElement() ; |
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| 129 | } |
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| 130 | |
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| 131 | while ( oNode && oNode.nodeName != nodeTagName ) |
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| 132 | oNode = oNode.parentNode ; |
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| 133 | |
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| 134 | return oNode ; |
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| 135 | } |
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| 136 | |
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| 137 | FCKSelection.Delete = function() |
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| 138 | { |
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| 139 | // Gets the actual selection. |
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| 140 | var oSel = FCK.EditorDocument.selection ; |
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| 141 | |
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| 142 | // Deletes the actual selection contents. |
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| 143 | if ( oSel.type.toLowerCase() != "none" ) |
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| 144 | { |
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| 145 | oSel.clear() ; |
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| 146 | } |
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| 147 | |
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| 148 | return oSel ; |
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| 149 | } |
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| 150 | |
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| 151 | |
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