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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