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. (IE specific implementation) |
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22 | */ |
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23 | |
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24 | // Get the selection type. |
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25 | FCKSelection.GetType = function() |
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26 | { |
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27 | return FCK.EditorDocument.selection.type ; |
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28 | } |
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29 | |
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30 | // Retrieves the selected element (if any), just in the case that a single |
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31 | // element (object like and image or a table) is selected. |
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32 | FCKSelection.GetSelectedElement = function() |
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33 | { |
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34 | if ( this.GetType() == 'Control' ) |
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35 | { |
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36 | var oRange = FCK.EditorDocument.selection.createRange() ; |
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37 | |
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38 | if ( oRange && oRange.item ) |
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39 | return FCK.EditorDocument.selection.createRange().item(0) ; |
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40 | } |
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41 | } |
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42 | |
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43 | FCKSelection.GetParentElement = function() |
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44 | { |
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45 | switch ( this.GetType() ) |
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46 | { |
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47 | case 'Control' : |
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48 | return FCKSelection.GetSelectedElement().parentElement ; |
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49 | case 'None' : |
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50 | return null ; |
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51 | default : |
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52 | return FCK.EditorDocument.selection.createRange().parentElement() ; |
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53 | } |
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54 | } |
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55 | |
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56 | FCKSelection.SelectNode = function( node ) |
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57 | { |
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58 | FCK.Focus() ; |
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59 | FCK.EditorDocument.selection.empty() ; |
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60 | var oRange ; |
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61 | try |
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62 | { |
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63 | // Try to select the node as a control. |
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64 | oRange = FCK.EditorDocument.body.createControlRange() ; |
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65 | oRange.addElement( node ) ; |
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66 | } |
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67 | catch(e) |
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68 | { |
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69 | // If failed, select it as a text range. |
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70 | oRange = FCK.EditorDocument.body.createTextRange() ; |
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71 | oRange.moveToElementText( node ) ; |
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72 | } |
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73 | |
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74 | oRange.select() ; |
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75 | } |
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76 | |
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77 | FCKSelection.Collapse = function( toStart ) |
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78 | { |
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79 | FCK.Focus() ; |
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80 | if ( this.GetType() == 'Text' ) |
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81 | { |
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82 | var oRange = FCK.EditorDocument.selection.createRange() ; |
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83 | oRange.collapse( toStart == null || toStart === true ) ; |
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84 | oRange.select() ; |
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85 | } |
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86 | } |
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87 | |
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88 | // The "nodeTagName" parameter must be Upper Case. |
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89 | FCKSelection.HasAncestorNode = function( nodeTagName ) |
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90 | { |
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91 | var oContainer ; |
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92 | |
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93 | if ( FCK.EditorDocument.selection.type == "Control" ) |
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94 | { |
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95 | oContainer = this.GetSelectedElement() ; |
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96 | } |
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97 | else |
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98 | { |
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99 | var oRange = FCK.EditorDocument.selection.createRange() ; |
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100 | oContainer = oRange.parentElement() ; |
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101 | } |
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102 | |
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103 | while ( oContainer ) |
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104 | { |
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105 | if ( oContainer.tagName == nodeTagName ) return true ; |
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106 | oContainer = oContainer.parentNode ; |
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107 | } |
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108 | |
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109 | return false ; |
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110 | } |
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111 | |
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112 | // The "nodeTagName" parameter must be UPPER CASE. |
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113 | FCKSelection.MoveToAncestorNode = function( nodeTagName ) |
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114 | { |
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115 | var oNode, oRange ; |
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116 | |
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117 | if ( ! FCK.EditorDocument ) |
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118 | return null ; |
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119 | |
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120 | if ( FCK.EditorDocument.selection.type == "Control" ) |
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121 | { |
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122 | oRange = FCK.EditorDocument.selection.createRange() ; |
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123 | for ( i = 0 ; i < oRange.length ; i++ ) |
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124 | { |
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125 | if (oRange(i).parentNode) |
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126 | { |
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127 | oNode = oRange(i).parentNode ; |
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128 | break ; |
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129 | } |
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130 | } |
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131 | } |
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132 | else |
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133 | { |
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134 | oRange = FCK.EditorDocument.selection.createRange() ; |
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135 | oNode = oRange.parentElement() ; |
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136 | } |
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137 | |
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138 | while ( oNode && oNode.nodeName != nodeTagName ) |
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139 | oNode = oNode.parentNode ; |
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140 | |
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141 | return oNode ; |
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142 | } |
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143 | |
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144 | FCKSelection.Delete = function() |
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145 | { |
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146 | // Gets the actual selection. |
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147 | var oSel = FCK.EditorDocument.selection ; |
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148 | |
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149 | // Deletes the actual selection contents. |
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150 | if ( oSel.type.toLowerCase() != "none" ) |
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151 | { |
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152 | oSel.clear() ; |
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153 | } |
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154 | |
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155 | return oSel ; |
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156 | } |
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157 | |
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158 | |
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