1 | /*
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2 | Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
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3 | For licensing, see LICENSE.html or http://ckeditor.com/license
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4 | */
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5 |
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6 | (function()
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7 | {
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8 | // #### checkSelectionChange : START
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9 |
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10 | // The selection change check basically saves the element parent tree of
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11 | // the current node and check it on successive requests. If there is any
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12 | // change on the tree, then the selectionChange event gets fired.
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13 | function checkSelectionChange()
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14 | {
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15 | try
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16 | {
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17 | // In IE, the "selectionchange" event may still get thrown when
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18 | // releasing the WYSIWYG mode, so we need to check it first.
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19 | var sel = this.getSelection();
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20 | if ( !sel )
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21 | return;
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22 |
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23 | var firstElement = sel.getStartElement();
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24 | var currentPath = new CKEDITOR.dom.elementPath( firstElement );
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25 |
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26 | if ( !currentPath.compare( this._.selectionPreviousPath ) )
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27 | {
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28 | this._.selectionPreviousPath = currentPath;
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29 | this.fire( 'selectionChange', { selection : sel, path : currentPath, element : firstElement } );
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30 | }
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31 | }
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32 | catch (e)
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33 | {}
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34 | }
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35 |
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36 | var checkSelectionChangeTimer,
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37 | checkSelectionChangeTimeoutPending;
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38 |
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39 | function checkSelectionChangeTimeout()
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40 | {
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41 | // Firing the "OnSelectionChange" event on every key press started to
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42 | // be too slow. This function guarantees that there will be at least
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43 | // 200ms delay between selection checks.
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44 |
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45 | checkSelectionChangeTimeoutPending = true;
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46 |
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47 | if ( checkSelectionChangeTimer )
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48 | return;
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49 |
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50 | checkSelectionChangeTimeoutExec.call( this );
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51 |
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52 | checkSelectionChangeTimer = CKEDITOR.tools.setTimeout( checkSelectionChangeTimeoutExec, 200, this );
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53 | }
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54 |
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55 | function checkSelectionChangeTimeoutExec()
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56 | {
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57 | checkSelectionChangeTimer = null;
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58 |
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59 | if ( checkSelectionChangeTimeoutPending )
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60 | {
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61 | // Call this with a timeout so the browser properly moves the
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62 | // selection after the mouseup. It happened that the selection was
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63 | // being moved after the mouseup when clicking inside selected text
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64 | // with Firefox.
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65 | CKEDITOR.tools.setTimeout( checkSelectionChange, 0, this );
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66 |
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67 | checkSelectionChangeTimeoutPending = false;
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68 | }
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69 | }
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70 |
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71 | // #### checkSelectionChange : END
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72 |
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73 | var selectAllCmd =
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74 | {
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75 | exec : function( editor )
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76 | {
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77 | switch ( editor.mode )
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78 | {
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79 | case 'wysiwyg' :
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80 | editor.document.$.execCommand( 'SelectAll', false, null );
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81 | break;
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82 | case 'source' :
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83 | // TODO
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84 | }
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85 | },
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86 | canUndo : false
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87 | };
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88 |
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89 | CKEDITOR.plugins.add( 'selection',
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90 | {
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91 | init : function( editor )
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92 | {
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93 | editor.on( 'contentDom', function()
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94 | {
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95 | var doc = editor.document;
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96 |
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97 | if ( CKEDITOR.env.ie )
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98 | {
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99 | // Other browsers don't loose the selection if the
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100 | // editor document loose the focus. In IE, we don't
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101 | // have support for it, so we reproduce it here, other
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102 | // than firing the selection change event.
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103 |
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104 | var savedRange,
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105 | saveEnabled;
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106 |
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107 | // "onfocusin" is fired before "onfocus". It makes it
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108 | // possible to restore the selection before click
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109 | // events get executed.
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110 | doc.on( 'focusin', function()
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111 | {
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112 | // If we have saved a range, restore it at this
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113 | // point.
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114 | if ( savedRange )
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115 | {
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116 | // Well not break because of this.
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117 | try
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118 | {
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119 | savedRange.select();
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120 | }
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121 | catch (e)
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122 | {}
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123 |
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124 | savedRange = null;
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125 | }
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126 | });
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127 |
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128 | editor.window.on( 'focus', function()
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129 | {
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130 | // Enable selections to be saved.
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131 | saveEnabled = true;
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132 |
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133 | saveSelection();
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134 | });
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135 |
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136 | // Check document selection before 'blur' fired, this
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137 | // will prevent us from breaking text selection somewhere
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138 | // else on the host page.(#3909)
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139 | editor.document.on( 'beforedeactivate', function()
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140 | {
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141 | // Disable selections from being saved.
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142 | saveEnabled = false;
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143 |
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144 | // IE may leave the selection still inside the
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145 | // document. Let's force it to be removed.
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146 | // TODO: The following has effect for
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147 | // collapsed selections.
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148 | editor.document.$.execCommand( 'Unselect' );
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149 | });
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150 |
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151 | // IE fires the "selectionchange" event when clicking
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152 | // inside a selection. We don't want to capture that.
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153 | doc.on( 'mousedown', disableSave );
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154 | doc.on( 'mouseup',
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155 | function()
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156 | {
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157 | saveEnabled = true;
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158 | setTimeout( function()
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159 | {
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160 | saveSelection( true );
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161 | },
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162 | 0 );
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163 | });
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164 |
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165 | doc.on( 'keydown', disableSave );
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166 | doc.on( 'keyup',
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167 | function()
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168 | {
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169 | saveEnabled = true;
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170 | saveSelection();
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171 | });
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172 |
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173 |
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174 | // IE is the only to provide the "selectionchange"
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175 | // event.
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176 | doc.on( 'selectionchange', saveSelection );
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177 |
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178 | function disableSave()
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179 | {
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180 | saveEnabled = false;
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181 | }
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182 |
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183 | function saveSelection( testIt )
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184 | {
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185 | if ( saveEnabled )
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186 | {
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187 | var doc = editor.document,
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188 | sel = doc && doc.$.selection;
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189 |
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190 | // There is a very specific case, when clicking
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191 | // inside a text selection. In that case, the
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192 | // selection collapses at the clicking point,
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193 | // but the selection object remains in an
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194 | // unknown state, making createRange return a
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195 | // range at the very start of the document. In
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196 | // such situation we have to test the range, to
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197 | // be sure it's valid.
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198 | if ( testIt && sel && sel.type == 'None' )
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199 | {
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200 | // The "InsertImage" command can be used to
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201 | // test whether the selection is good or not.
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202 | // If not, it's enough to give some time to
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203 | // IE to put things in order for us.
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204 | if ( !doc.$.queryCommandEnabled( 'InsertImage' ) )
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205 | {
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206 | CKEDITOR.tools.setTimeout( saveSelection, 50, this, true );
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207 | return;
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208 | }
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209 | }
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210 |
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211 | savedRange = sel && sel.createRange();
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212 |
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213 | checkSelectionChangeTimeout.call( editor );
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214 | }
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215 | }
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216 | }
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217 | else
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218 | {
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219 | // In other browsers, we make the selection change
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220 | // check based on other events, like clicks or keys
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221 | // press.
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222 |
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223 | doc.on( 'mouseup', checkSelectionChangeTimeout, editor );
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224 | doc.on( 'keyup', checkSelectionChangeTimeout, editor );
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225 | }
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226 | });
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227 |
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228 | editor.addCommand( 'selectAll', selectAllCmd );
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229 | editor.ui.addButton( 'SelectAll',
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230 | {
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231 | label : editor.lang.selectAll,
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232 | command : 'selectAll'
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233 | });
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234 |
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235 | editor.selectionChange = checkSelectionChangeTimeout;
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236 | }
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237 | });
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238 |
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239 | /**
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240 | * Gets the current selection from the editing area when in WYSIWYG mode.
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241 | * @returns {CKEDITOR.dom.selection} A selection object or null if not on
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242 | * WYSIWYG mode or no selection is available.
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243 | * @example
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244 | * var selection = CKEDITOR.instances.editor1.<b>getSelection()</b>;
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245 | * alert( selection.getType() );
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246 | */
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247 | CKEDITOR.editor.prototype.getSelection = function()
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248 | {
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249 | return this.document && this.document.getSelection();
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250 | };
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251 |
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252 | CKEDITOR.editor.prototype.forceNextSelectionCheck = function()
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253 | {
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254 | delete this._.selectionPreviousPath;
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255 | };
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256 |
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257 | /**
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258 | * Gets the current selection from the document.
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259 | * @returns {CKEDITOR.dom.selection} A selection object.
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260 | * @example
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261 | * var selection = CKEDITOR.instances.editor1.document.<b>getSelection()</b>;
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262 | * alert( selection.getType() );
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263 | */
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264 | CKEDITOR.dom.document.prototype.getSelection = function()
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265 | {
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266 | var sel = new CKEDITOR.dom.selection( this );
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267 | return ( !sel || sel.isInvalid ) ? null : sel;
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268 | };
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269 |
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270 | /**
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271 | * No selection.
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272 | * @constant
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273 | * @example
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274 | * if ( editor.getSelection().getType() == CKEDITOR.SELECTION_NONE )
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275 | * alert( 'Nothing is selected' );
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276 | */
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277 | CKEDITOR.SELECTION_NONE = 1;
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278 |
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279 | /**
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280 | * Text or collapsed selection.
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281 | * @constant
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282 | * @example
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283 | * if ( editor.getSelection().getType() == CKEDITOR.SELECTION_TEXT )
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284 | * alert( 'Text is selected' );
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285 | */
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286 | CKEDITOR.SELECTION_TEXT = 2;
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287 |
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288 | /**
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289 | * Element selection.
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290 | * @constant
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291 | * @example
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292 | * if ( editor.getSelection().getType() == CKEDITOR.SELECTION_ELEMENT )
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293 | * alert( 'An element is selected' );
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294 | */
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295 | CKEDITOR.SELECTION_ELEMENT = 3;
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296 |
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297 | /**
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298 | * Manipulates the selection in a DOM document.
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299 | * @constructor
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300 | * @example
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301 | */
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302 | CKEDITOR.dom.selection = function( document )
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303 | {
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304 | var lockedSelection = document.getCustomData( 'cke_locked_selection' );
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305 |
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306 | if ( lockedSelection )
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307 | return lockedSelection;
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308 |
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309 | this.document = document;
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310 | this.isLocked = false;
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311 | this._ =
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312 | {
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313 | cache : {}
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314 | };
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315 |
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316 | /**
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317 | * IE BUG: The selection's document may be a different document than the
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318 | * editor document. Return null if that's the case.
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319 | */
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320 | if ( CKEDITOR.env.ie )
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321 | {
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322 | var range = this.getNative().createRange();
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323 | if ( !range
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324 | || ( range.item && range.item(0).ownerDocument != this.document.$ )
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325 | || ( range.parentElement && range.parentElement().ownerDocument != this.document.$ ) )
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326 | {
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327 | this.isInvalid = true;
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328 | }
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329 | }
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330 |
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331 | return this;
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332 | };
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333 |
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334 | var styleObjectElements =
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335 | {
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336 | img:1,hr:1,li:1,table:1,tr:1,td:1,embed:1,object:1,ol:1,ul:1,
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337 | a:1, input:1, form:1, select:1, textarea:1, button:1, fieldset:1, th:1, thead:1, tfoot:1
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338 | };
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339 |
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340 | CKEDITOR.dom.selection.prototype =
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341 | {
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342 | /**
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343 | * Gets the native selection object from the browser.
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344 | * @function
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345 | * @returns {Object} The native selection object.
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346 | * @example
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347 | * var selection = editor.getSelection().<b>getNative()</b>;
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348 | */
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349 | getNative :
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350 | CKEDITOR.env.ie ?
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351 | function()
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352 | {
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353 | return this._.cache.nativeSel || ( this._.cache.nativeSel = this.document.$.selection );
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354 | }
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355 | :
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356 | function()
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357 | {
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358 | return this._.cache.nativeSel || ( this._.cache.nativeSel = this.document.getWindow().$.getSelection() );
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359 | },
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360 |
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361 | /**
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362 | * Gets the type of the current selection. The following values are
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363 | * available:
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364 | * <ul>
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365 | * <li>{@link CKEDITOR.SELECTION_NONE} (1): No selection.</li>
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366 | * <li>{@link CKEDITOR.SELECTION_TEXT} (2): Text is selected or
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367 | * collapsed selection.</li>
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368 | * <li>{@link CKEDITOR.SELECTION_ELEMENT} (3): A element
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369 | * selection.</li>
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370 | * </ul>
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371 | * @function
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372 | * @returns {Number} One of the following constant values:
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373 | * {@link CKEDITOR.SELECTION_NONE}, {@link CKEDITOR.SELECTION_TEXT} or
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374 | * {@link CKEDITOR.SELECTION_ELEMENT}.
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375 | * @example
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376 | * if ( editor.getSelection().<b>getType()</b> == CKEDITOR.SELECTION_TEXT )
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377 | * alert( 'Text is selected' );
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378 | */
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379 | getType :
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380 | CKEDITOR.env.ie ?
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381 | function()
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382 | {
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383 | var cache = this._.cache;
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384 | if ( cache.type )
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385 | return cache.type;
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386 |
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387 | var type = CKEDITOR.SELECTION_NONE;
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388 |
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389 | try
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390 | {
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391 | var sel = this.getNative(),
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392 | ieType = sel.type;
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393 |
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394 | if ( ieType == 'Text' )
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395 | type = CKEDITOR.SELECTION_TEXT;
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396 |
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397 | if ( ieType == 'Control' )
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398 | type = CKEDITOR.SELECTION_ELEMENT;
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399 |
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400 | // It is possible that we can still get a text range
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401 | // object even when type == 'None' is returned by IE.
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402 | // So we'd better check the object returned by
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403 | // createRange() rather than by looking at the type.
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404 | if ( sel.createRange().parentElement )
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405 | type = CKEDITOR.SELECTION_TEXT;
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406 | }
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407 | catch(e) {}
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408 |
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409 | return ( cache.type = type );
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410 | }
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411 | :
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412 | function()
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413 | {
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414 | var cache = this._.cache;
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415 | if ( cache.type )
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416 | return cache.type;
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417 |
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418 | var type = CKEDITOR.SELECTION_TEXT;
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419 |
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420 | var sel = this.getNative();
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421 |
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422 | if ( !sel )
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423 | type = CKEDITOR.SELECTION_NONE;
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424 | else if ( sel.rangeCount == 1 )
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425 | {
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426 | // Check if the actual selection is a control (IMG,
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427 | // TABLE, HR, etc...).
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428 |
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429 | var range = sel.getRangeAt(0),
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430 | startContainer = range.startContainer;
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431 |
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432 | if ( startContainer == range.endContainer
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433 | && startContainer.nodeType == 1
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434 | && ( range.endOffset - range.startOffset ) == 1
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435 | && styleObjectElements[ startContainer.childNodes[ range.startOffset ].nodeName.toLowerCase() ] )
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436 | {
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437 | type = CKEDITOR.SELECTION_ELEMENT;
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438 | }
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439 | }
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440 |
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441 | return ( cache.type = type );
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442 | },
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443 |
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444 | getRanges :
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445 | CKEDITOR.env.ie ?
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446 | ( function()
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447 | {
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448 | // Finds the container and offset for a specific boundary
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449 | // of an IE range.
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450 | var getBoundaryInformation = function( range, start )
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451 | {
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452 | // Creates a collapsed range at the requested boundary.
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453 | range = range.duplicate();
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454 | range.collapse( start );
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455 |
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456 | // Gets the element that encloses the range entirely.
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457 | var parent = range.parentElement();
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458 | var siblings = parent.childNodes;
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459 |
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460 | var testRange;
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461 |
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462 | for ( var i = 0 ; i < siblings.length ; i++ )
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463 | {
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464 | var child = siblings[ i ];
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465 | if ( child.nodeType == 1 )
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466 | {
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467 | testRange = range.duplicate();
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468 |
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469 | testRange.moveToElementText( child );
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470 | testRange.collapse();
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471 |
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472 | var comparison = testRange.compareEndPoints( 'StartToStart', range );
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473 |
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474 | if ( comparison > 0 )
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475 | break;
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476 | else if ( comparison === 0 )
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477 | return {
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478 | container : parent,
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479 | offset : i
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480 | };
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481 |
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482 | testRange = null;
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483 | }
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484 | }
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485 |
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486 | if ( !testRange )
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487 | {
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488 | testRange = range.duplicate();
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489 | testRange.moveToElementText( parent );
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490 | testRange.collapse( false );
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491 | }
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492 |
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493 | testRange.setEndPoint( 'StartToStart', range );
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494 | // IE report line break as CRLF with range.text but
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495 | // only LF with textnode.nodeValue, normalize them to avoid
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496 | // breaking character counting logic below. (#3949)
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497 | var distance = testRange.text.replace( /(\r\n|\r)/g, '\n' ).length;
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498 |
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499 | while ( distance > 0 )
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500 | distance -= siblings[ --i ].nodeValue.length;
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501 |
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502 | if ( distance === 0 )
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503 | {
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504 | return {
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505 | container : parent,
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506 | offset : i
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507 | };
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508 | }
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509 | else
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510 | {
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511 | return {
|
---|
512 | container : siblings[ i ],
|
---|
513 | offset : -distance
|
---|
514 | };
|
---|
515 | }
|
---|
516 | };
|
---|
517 |
|
---|
518 | return function()
|
---|
519 | {
|
---|
520 | var cache = this._.cache;
|
---|
521 | if ( cache.ranges )
|
---|
522 | return cache.ranges;
|
---|
523 |
|
---|
524 | // IE doesn't have range support (in the W3C way), so we
|
---|
525 | // need to do some magic to transform selections into
|
---|
526 | // CKEDITOR.dom.range instances.
|
---|
527 |
|
---|
528 | var sel = this.getNative(),
|
---|
529 | nativeRange = sel && sel.createRange(),
|
---|
530 | type = this.getType(),
|
---|
531 | range;
|
---|
532 |
|
---|
533 | if ( !sel )
|
---|
534 | return [];
|
---|
535 |
|
---|
536 | if ( type == CKEDITOR.SELECTION_TEXT )
|
---|
537 | {
|
---|
538 | range = new CKEDITOR.dom.range( this.document );
|
---|
539 |
|
---|
540 | var boundaryInfo = getBoundaryInformation( nativeRange, true );
|
---|
541 | range.setStart( new CKEDITOR.dom.node( boundaryInfo.container ), boundaryInfo.offset );
|
---|
542 |
|
---|
543 | boundaryInfo = getBoundaryInformation( nativeRange );
|
---|
544 | range.setEnd( new CKEDITOR.dom.node( boundaryInfo.container ), boundaryInfo.offset );
|
---|
545 |
|
---|
546 | return ( cache.ranges = [ range ] );
|
---|
547 | }
|
---|
548 | else if ( type == CKEDITOR.SELECTION_ELEMENT )
|
---|
549 | {
|
---|
550 | var retval = this._.cache.ranges = [];
|
---|
551 |
|
---|
552 | for ( var i = 0 ; i < nativeRange.length ; i++ )
|
---|
553 | {
|
---|
554 | var element = nativeRange.item( i ),
|
---|
555 | parentElement = element.parentNode,
|
---|
556 | j = 0;
|
---|
557 |
|
---|
558 | range = new CKEDITOR.dom.range( this.document );
|
---|
559 |
|
---|
560 | for (; j < parentElement.childNodes.length && parentElement.childNodes[j] != element ; j++ )
|
---|
561 | { /*jsl:pass*/ }
|
---|
562 |
|
---|
563 | range.setStart( new CKEDITOR.dom.node( parentElement ), j );
|
---|
564 | range.setEnd( new CKEDITOR.dom.node( parentElement ), j + 1 );
|
---|
565 | retval.push( range );
|
---|
566 | }
|
---|
567 |
|
---|
568 | return retval;
|
---|
569 | }
|
---|
570 |
|
---|
571 | return ( cache.ranges = [] );
|
---|
572 | };
|
---|
573 | })()
|
---|
574 | :
|
---|
575 | function()
|
---|
576 | {
|
---|
577 | var cache = this._.cache;
|
---|
578 | if ( cache.ranges )
|
---|
579 | return cache.ranges;
|
---|
580 |
|
---|
581 | // On browsers implementing the W3C range, we simply
|
---|
582 | // tranform the native ranges in CKEDITOR.dom.range
|
---|
583 | // instances.
|
---|
584 |
|
---|
585 | var ranges = [];
|
---|
586 | var sel = this.getNative();
|
---|
587 |
|
---|
588 | if ( !sel )
|
---|
589 | return [];
|
---|
590 |
|
---|
591 | for ( var i = 0 ; i < sel.rangeCount ; i++ )
|
---|
592 | {
|
---|
593 | var nativeRange = sel.getRangeAt( i );
|
---|
594 | var range = new CKEDITOR.dom.range( this.document );
|
---|
595 |
|
---|
596 | range.setStart( new CKEDITOR.dom.node( nativeRange.startContainer ), nativeRange.startOffset );
|
---|
597 | range.setEnd( new CKEDITOR.dom.node( nativeRange.endContainer ), nativeRange.endOffset );
|
---|
598 | ranges.push( range );
|
---|
599 | }
|
---|
600 |
|
---|
601 | return ( cache.ranges = ranges );
|
---|
602 | },
|
---|
603 |
|
---|
604 | /**
|
---|
605 | * Gets the DOM element in which the selection starts.
|
---|
606 | * @returns {CKEDITOR.dom.element} The element at the beginning of the
|
---|
607 | * selection.
|
---|
608 | * @example
|
---|
609 | * var element = editor.getSelection().<b>getStartElement()</b>;
|
---|
610 | * alert( element.getName() );
|
---|
611 | */
|
---|
612 | getStartElement : function()
|
---|
613 | {
|
---|
614 | var cache = this._.cache;
|
---|
615 | if ( cache.startElement !== undefined )
|
---|
616 | return cache.startElement;
|
---|
617 |
|
---|
618 | var node,
|
---|
619 | sel = this.getNative();
|
---|
620 |
|
---|
621 | switch ( this.getType() )
|
---|
622 | {
|
---|
623 | case CKEDITOR.SELECTION_ELEMENT :
|
---|
624 | return this.getSelectedElement();
|
---|
625 |
|
---|
626 | case CKEDITOR.SELECTION_TEXT :
|
---|
627 |
|
---|
628 | var range = this.getRanges()[0];
|
---|
629 |
|
---|
630 | if ( range )
|
---|
631 | {
|
---|
632 | if ( !range.collapsed )
|
---|
633 | {
|
---|
634 | range.optimize();
|
---|
635 |
|
---|
636 | // Decrease the range content to exclude particial
|
---|
637 | // selected node on the start which doesn't have
|
---|
638 | // visual impact. ( #3231 )
|
---|
639 | while( true )
|
---|
640 | {
|
---|
641 | var startContainer = range.startContainer,
|
---|
642 | startOffset = range.startOffset;
|
---|
643 | if ( startOffset == ( startContainer.getChildCount ?
|
---|
644 | startContainer.getChildCount() : startContainer.getLength() ) )
|
---|
645 | range.setStartAfter( startContainer );
|
---|
646 | else break;
|
---|
647 | }
|
---|
648 |
|
---|
649 | node = range.startContainer;
|
---|
650 |
|
---|
651 | if ( node.type != CKEDITOR.NODE_ELEMENT )
|
---|
652 | return node.getParent();
|
---|
653 |
|
---|
654 | node = node.getChild( range.startOffset );
|
---|
655 |
|
---|
656 | if ( !node || node.type != CKEDITOR.NODE_ELEMENT )
|
---|
657 | return range.startContainer;
|
---|
658 |
|
---|
659 | var child = node.getFirst();
|
---|
660 | while ( child && child.type == CKEDITOR.NODE_ELEMENT )
|
---|
661 | {
|
---|
662 | node = child;
|
---|
663 | child = child.getFirst();
|
---|
664 | }
|
---|
665 |
|
---|
666 | return node;
|
---|
667 | }
|
---|
668 | }
|
---|
669 |
|
---|
670 | if ( CKEDITOR.env.ie )
|
---|
671 | {
|
---|
672 | range = sel.createRange();
|
---|
673 | range.collapse( true );
|
---|
674 |
|
---|
675 | node = range.parentElement();
|
---|
676 | }
|
---|
677 | else
|
---|
678 | {
|
---|
679 | node = sel.anchorNode;
|
---|
680 |
|
---|
681 | if ( node && node.nodeType != 1 )
|
---|
682 | node = node.parentNode;
|
---|
683 | }
|
---|
684 | }
|
---|
685 |
|
---|
686 | return cache.startElement = ( node ? new CKEDITOR.dom.element( node ) : null );
|
---|
687 | },
|
---|
688 |
|
---|
689 | /**
|
---|
690 | * Gets the current selected element.
|
---|
691 | * @returns {CKEDITOR.dom.element} The selected element. Null if no
|
---|
692 | * selection is available or the selection type is not
|
---|
693 | * {@link CKEDITOR.SELECTION_ELEMENT}.
|
---|
694 | * @example
|
---|
695 | * var element = editor.getSelection().<b>getSelectedElement()</b>;
|
---|
696 | * alert( element.getName() );
|
---|
697 | */
|
---|
698 | getSelectedElement : function()
|
---|
699 | {
|
---|
700 | var cache = this._.cache;
|
---|
701 | if ( cache.selectedElement !== undefined )
|
---|
702 | return cache.selectedElement;
|
---|
703 |
|
---|
704 | var node;
|
---|
705 |
|
---|
706 | if ( this.getType() == CKEDITOR.SELECTION_ELEMENT )
|
---|
707 | {
|
---|
708 | var sel = this.getNative();
|
---|
709 |
|
---|
710 | if ( CKEDITOR.env.ie )
|
---|
711 | {
|
---|
712 | try
|
---|
713 | {
|
---|
714 | node = sel.createRange().item(0);
|
---|
715 | }
|
---|
716 | catch(e) {}
|
---|
717 | }
|
---|
718 | else
|
---|
719 | {
|
---|
720 | var range = sel.getRangeAt( 0 );
|
---|
721 | node = range.startContainer.childNodes[ range.startOffset ];
|
---|
722 | }
|
---|
723 | }
|
---|
724 |
|
---|
725 | return cache.selectedElement = ( node ? new CKEDITOR.dom.element( node ) : null );
|
---|
726 | },
|
---|
727 |
|
---|
728 | lock : function()
|
---|
729 | {
|
---|
730 | // Call all cacheable function.
|
---|
731 | this.getRanges();
|
---|
732 | this.getStartElement();
|
---|
733 | this.getSelectedElement();
|
---|
734 |
|
---|
735 | // The native selection is not available when locked.
|
---|
736 | this._.cache.nativeSel = {};
|
---|
737 |
|
---|
738 | this.isLocked = true;
|
---|
739 |
|
---|
740 | // Save this selection inside the DOM document.
|
---|
741 | this.document.setCustomData( 'cke_locked_selection', this );
|
---|
742 | },
|
---|
743 |
|
---|
744 | unlock : function( restore )
|
---|
745 | {
|
---|
746 | var doc = this.document,
|
---|
747 | lockedSelection = doc.getCustomData( 'cke_locked_selection' );
|
---|
748 |
|
---|
749 | if ( lockedSelection )
|
---|
750 | {
|
---|
751 | doc.setCustomData( 'cke_locked_selection', null );
|
---|
752 |
|
---|
753 | if ( restore )
|
---|
754 | {
|
---|
755 | var selectedElement = lockedSelection.getSelectedElement(),
|
---|
756 | ranges = !selectedElement && lockedSelection.getRanges();
|
---|
757 |
|
---|
758 | this.isLocked = false;
|
---|
759 | this.reset();
|
---|
760 |
|
---|
761 | doc.getBody().focus();
|
---|
762 |
|
---|
763 | if ( selectedElement )
|
---|
764 | this.selectElement( selectedElement );
|
---|
765 | else
|
---|
766 | this.selectRanges( ranges );
|
---|
767 | }
|
---|
768 | }
|
---|
769 |
|
---|
770 | if ( !lockedSelection || !restore )
|
---|
771 | {
|
---|
772 | this.isLocked = false;
|
---|
773 | this.reset();
|
---|
774 | }
|
---|
775 | },
|
---|
776 |
|
---|
777 | reset : function()
|
---|
778 | {
|
---|
779 | this._.cache = {};
|
---|
780 | },
|
---|
781 |
|
---|
782 | selectElement : function( element )
|
---|
783 | {
|
---|
784 | if ( this.isLocked )
|
---|
785 | {
|
---|
786 | var range = new CKEDITOR.dom.range( this.document );
|
---|
787 | range.setStartBefore( element );
|
---|
788 | range.setEndAfter( element );
|
---|
789 |
|
---|
790 | this._.cache.selectedElement = element;
|
---|
791 | this._.cache.startElement = element;
|
---|
792 | this._.cache.ranges = [ range ];
|
---|
793 | this._.cache.type = CKEDITOR.SELECTION_ELEMENT;
|
---|
794 |
|
---|
795 | return;
|
---|
796 | }
|
---|
797 |
|
---|
798 | if ( CKEDITOR.env.ie )
|
---|
799 | {
|
---|
800 | this.getNative().empty();
|
---|
801 |
|
---|
802 | try
|
---|
803 | {
|
---|
804 | // Try to select the node as a control.
|
---|
805 | range = this.document.$.body.createControlRange();
|
---|
806 | range.addElement( element.$ );
|
---|
807 | range.select();
|
---|
808 | }
|
---|
809 | catch(e)
|
---|
810 | {
|
---|
811 | // If failed, select it as a text range.
|
---|
812 | range = this.document.$.body.createTextRange();
|
---|
813 | range.moveToElementText( element.$ );
|
---|
814 | range.select();
|
---|
815 | }
|
---|
816 |
|
---|
817 | this.reset();
|
---|
818 | }
|
---|
819 | else
|
---|
820 | {
|
---|
821 | // Create the range for the element.
|
---|
822 | range = this.document.$.createRange();
|
---|
823 | range.selectNode( element.$ );
|
---|
824 |
|
---|
825 | // Select the range.
|
---|
826 | var sel = this.getNative();
|
---|
827 | sel.removeAllRanges();
|
---|
828 | sel.addRange( range );
|
---|
829 |
|
---|
830 | this.reset();
|
---|
831 | }
|
---|
832 | },
|
---|
833 |
|
---|
834 | selectRanges : function( ranges )
|
---|
835 | {
|
---|
836 | if ( this.isLocked )
|
---|
837 | {
|
---|
838 | this._.cache.selectedElement = null;
|
---|
839 | this._.cache.startElement = ranges[ 0 ].getTouchedStartNode();
|
---|
840 | this._.cache.ranges = ranges;
|
---|
841 | this._.cache.type = CKEDITOR.SELECTION_TEXT;
|
---|
842 |
|
---|
843 | return;
|
---|
844 | }
|
---|
845 |
|
---|
846 | if ( CKEDITOR.env.ie )
|
---|
847 | {
|
---|
848 | // IE doesn't accept multiple ranges selection, so we just
|
---|
849 | // select the first one.
|
---|
850 | if ( ranges[ 0 ] )
|
---|
851 | ranges[ 0 ].select();
|
---|
852 |
|
---|
853 | this.reset();
|
---|
854 | }
|
---|
855 | else
|
---|
856 | {
|
---|
857 | var sel = this.getNative();
|
---|
858 | sel.removeAllRanges();
|
---|
859 |
|
---|
860 | for ( var i = 0 ; i < ranges.length ; i++ )
|
---|
861 | {
|
---|
862 | var range = ranges[ i ];
|
---|
863 | var nativeRange = this.document.$.createRange();
|
---|
864 | var startContainer = range.startContainer;
|
---|
865 |
|
---|
866 | // In FF2, if we have a collapsed range, inside an empty
|
---|
867 | // element, we must add something to it otherwise the caret
|
---|
868 | // will not be visible.
|
---|
869 | if ( range.collapsed &&
|
---|
870 | ( CKEDITOR.env.gecko && CKEDITOR.env.version < 10900 ) &&
|
---|
871 | startContainer.type == CKEDITOR.NODE_ELEMENT &&
|
---|
872 | !startContainer.getChildCount() )
|
---|
873 | {
|
---|
874 | startContainer.appendText( '' );
|
---|
875 | }
|
---|
876 |
|
---|
877 | nativeRange.setStart( startContainer.$, range.startOffset );
|
---|
878 | nativeRange.setEnd( range.endContainer.$, range.endOffset );
|
---|
879 |
|
---|
880 | // Select the range.
|
---|
881 | sel.addRange( nativeRange );
|
---|
882 | }
|
---|
883 |
|
---|
884 | this.reset();
|
---|
885 | }
|
---|
886 | },
|
---|
887 |
|
---|
888 | createBookmarks : function( serializable )
|
---|
889 | {
|
---|
890 | var retval = [],
|
---|
891 | ranges = this.getRanges(),
|
---|
892 | length = ranges.length,
|
---|
893 | bookmark;
|
---|
894 | for ( var i = 0; i < length ; i++ )
|
---|
895 | {
|
---|
896 | retval.push( bookmark = ranges[ i ].createBookmark( serializable, true ) );
|
---|
897 |
|
---|
898 | serializable = bookmark.serializable;
|
---|
899 |
|
---|
900 | var bookmarkStart = serializable ? this.document.getById( bookmark.startNode ) : bookmark.startNode,
|
---|
901 | bookmarkEnd = serializable ? this.document.getById( bookmark.endNode ) : bookmark.endNode;
|
---|
902 |
|
---|
903 | // Updating the offset values for rest of ranges which have been mangled(#3256).
|
---|
904 | for ( var j = i + 1 ; j < length ; j++ )
|
---|
905 | {
|
---|
906 | var dirtyRange = ranges[ j ],
|
---|
907 | rangeStart = dirtyRange.startContainer,
|
---|
908 | rangeEnd = dirtyRange.endContainer;
|
---|
909 |
|
---|
910 | rangeStart.equals( bookmarkStart.getParent() ) && dirtyRange.startOffset++;
|
---|
911 | rangeStart.equals( bookmarkEnd.getParent() ) && dirtyRange.startOffset++;
|
---|
912 | rangeEnd.equals( bookmarkStart.getParent() ) && dirtyRange.endOffset++;
|
---|
913 | rangeEnd.equals( bookmarkEnd.getParent() ) && dirtyRange.endOffset++;
|
---|
914 | }
|
---|
915 | }
|
---|
916 |
|
---|
917 | return retval;
|
---|
918 | },
|
---|
919 |
|
---|
920 | createBookmarks2 : function( normalized )
|
---|
921 | {
|
---|
922 | var bookmarks = [],
|
---|
923 | ranges = this.getRanges();
|
---|
924 |
|
---|
925 | for ( var i = 0 ; i < ranges.length ; i++ )
|
---|
926 | bookmarks.push( ranges[i].createBookmark2( normalized ) );
|
---|
927 |
|
---|
928 | return bookmarks;
|
---|
929 | },
|
---|
930 |
|
---|
931 | selectBookmarks : function( bookmarks )
|
---|
932 | {
|
---|
933 | var ranges = [];
|
---|
934 | for ( var i = 0 ; i < bookmarks.length ; i++ )
|
---|
935 | {
|
---|
936 | var range = new CKEDITOR.dom.range( this.document );
|
---|
937 | range.moveToBookmark( bookmarks[i] );
|
---|
938 | ranges.push( range );
|
---|
939 | }
|
---|
940 | this.selectRanges( ranges );
|
---|
941 | return this;
|
---|
942 | }
|
---|
943 | };
|
---|
944 | })();
|
---|
945 |
|
---|
946 | CKEDITOR.dom.range.prototype.select =
|
---|
947 | CKEDITOR.env.ie ?
|
---|
948 | // V2
|
---|
949 | function( forceExpand )
|
---|
950 | {
|
---|
951 | var collapsed = this.collapsed;
|
---|
952 | var isStartMarkerAlone;
|
---|
953 | var dummySpan;
|
---|
954 |
|
---|
955 | var bookmark = this.createBookmark();
|
---|
956 |
|
---|
957 | // Create marker tags for the start and end boundaries.
|
---|
958 | var startNode = bookmark.startNode;
|
---|
959 |
|
---|
960 | var endNode;
|
---|
961 | if ( !collapsed )
|
---|
962 | endNode = bookmark.endNode;
|
---|
963 |
|
---|
964 | // Create the main range which will be used for the selection.
|
---|
965 | var ieRange = this.document.$.body.createTextRange();
|
---|
966 |
|
---|
967 | // Position the range at the start boundary.
|
---|
968 | ieRange.moveToElementText( startNode.$ );
|
---|
969 | ieRange.moveStart( 'character', 1 );
|
---|
970 |
|
---|
971 | if ( endNode )
|
---|
972 | {
|
---|
973 | // Create a tool range for the end.
|
---|
974 | var ieRangeEnd = this.document.$.body.createTextRange();
|
---|
975 |
|
---|
976 | // Position the tool range at the end.
|
---|
977 | ieRangeEnd.moveToElementText( endNode.$ );
|
---|
978 |
|
---|
979 | // Move the end boundary of the main range to match the tool range.
|
---|
980 | ieRange.setEndPoint( 'EndToEnd', ieRangeEnd );
|
---|
981 | ieRange.moveEnd( 'character', -1 );
|
---|
982 | }
|
---|
983 | else
|
---|
984 | {
|
---|
985 | // The isStartMarkerAlone logic comes from V2. It guarantees that the lines
|
---|
986 | // will expand and that the cursor will be blinking on the right place.
|
---|
987 | // Actually, we are using this flag just to avoid using this hack in all
|
---|
988 | // situations, but just on those needed.
|
---|
989 | isStartMarkerAlone = forceExpand || !startNode.hasPrevious() || ( startNode.getPrevious().is && startNode.getPrevious().is( 'br' ) );
|
---|
990 |
|
---|
991 | // Append a temporary <span></span> before the selection.
|
---|
992 | // This is needed to avoid IE destroying selections inside empty
|
---|
993 | // inline elements, like <b></b> (#253).
|
---|
994 | // It is also needed when placing the selection right after an inline
|
---|
995 | // element to avoid the selection moving inside of it.
|
---|
996 | dummySpan = this.document.createElement( 'span' );
|
---|
997 | dummySpan.setHtml( '' ); // Zero Width No-Break Space (U+FEFF). See #1359.
|
---|
998 | dummySpan.insertBefore( startNode );
|
---|
999 |
|
---|
1000 | if ( isStartMarkerAlone )
|
---|
1001 | {
|
---|
1002 | // To expand empty blocks or line spaces after <br>, we need
|
---|
1003 | // instead to have any char, which will be later deleted using the
|
---|
1004 | // selection.
|
---|
1005 | // \ufeff = Zero Width No-Break Space (U+FEFF). (#1359)
|
---|
1006 | this.document.createText( '\ufeff' ).insertBefore( startNode );
|
---|
1007 | }
|
---|
1008 | }
|
---|
1009 |
|
---|
1010 | // Remove the markers (reset the position, because of the changes in the DOM tree).
|
---|
1011 | this.setStartBefore( startNode );
|
---|
1012 | startNode.remove();
|
---|
1013 |
|
---|
1014 | if ( collapsed )
|
---|
1015 | {
|
---|
1016 | if ( isStartMarkerAlone )
|
---|
1017 | {
|
---|
1018 | // Move the selection start to include the temporary \ufeff.
|
---|
1019 | ieRange.moveStart( 'character', -1 );
|
---|
1020 |
|
---|
1021 | ieRange.select();
|
---|
1022 |
|
---|
1023 | // Remove our temporary stuff.
|
---|
1024 | this.document.$.selection.clear();
|
---|
1025 | }
|
---|
1026 | else
|
---|
1027 | ieRange.select();
|
---|
1028 |
|
---|
1029 | dummySpan.remove();
|
---|
1030 | }
|
---|
1031 | else
|
---|
1032 | {
|
---|
1033 | this.setEndBefore( endNode );
|
---|
1034 | endNode.remove();
|
---|
1035 | ieRange.select();
|
---|
1036 | }
|
---|
1037 | }
|
---|
1038 | :
|
---|
1039 | function()
|
---|
1040 | {
|
---|
1041 | var startContainer = this.startContainer;
|
---|
1042 |
|
---|
1043 | // If we have a collapsed range, inside an empty element, we must add
|
---|
1044 | // something to it, otherwise the caret will not be visible.
|
---|
1045 | if ( this.collapsed && startContainer.type == CKEDITOR.NODE_ELEMENT && !startContainer.getChildCount() )
|
---|
1046 | startContainer.append( new CKEDITOR.dom.text( '' ) );
|
---|
1047 |
|
---|
1048 | var nativeRange = this.document.$.createRange();
|
---|
1049 | nativeRange.setStart( startContainer.$, this.startOffset );
|
---|
1050 |
|
---|
1051 | try
|
---|
1052 | {
|
---|
1053 | nativeRange.setEnd( this.endContainer.$, this.endOffset );
|
---|
1054 | }
|
---|
1055 | catch ( e )
|
---|
1056 | {
|
---|
1057 | // There is a bug in Firefox implementation (it would be too easy
|
---|
1058 | // otherwise). The new start can't be after the end (W3C says it can).
|
---|
1059 | // So, let's create a new range and collapse it to the desired point.
|
---|
1060 | if ( e.toString().indexOf( 'NS_ERROR_ILLEGAL_VALUE' ) >= 0 )
|
---|
1061 | {
|
---|
1062 | this.collapse( true );
|
---|
1063 | nativeRange.setEnd( this.endContainer.$, this.endOffset );
|
---|
1064 | }
|
---|
1065 | else
|
---|
1066 | throw( e );
|
---|
1067 | }
|
---|
1068 |
|
---|
1069 | var selection = this.document.getSelection().getNative();
|
---|
1070 | selection.removeAllRanges();
|
---|
1071 | selection.addRange( nativeRange );
|
---|
1072 | };
|
---|