1 | /* |
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2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net |
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3 | * Copyright (C) 2003-2009 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 | * Class for working with a selection range, much like the W3C DOM Range, but |
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22 | * it is not intended to be an implementation of the W3C interface. |
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23 | * (Gecko Implementation) |
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24 | */ |
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25 | |
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26 | FCKDomRange.prototype.MoveToSelection = function() |
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27 | { |
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28 | this.Release( true ) ; |
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29 | |
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30 | var oSel = this.Window.getSelection() ; |
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31 | |
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32 | if ( oSel && oSel.rangeCount > 0 ) |
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33 | { |
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34 | this._Range = FCKW3CRange.CreateFromRange( this.Window.document, oSel.getRangeAt(0) ) ; |
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35 | this._UpdateElementInfo() ; |
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36 | } |
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37 | else |
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38 | if ( this.Window.document ) |
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39 | this.MoveToElementStart( this.Window.document.body ) ; |
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40 | } |
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41 | |
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42 | FCKDomRange.prototype.Select = function() |
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43 | { |
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44 | var oRange = this._Range ; |
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45 | if ( oRange ) |
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46 | { |
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47 | var startContainer = oRange.startContainer ; |
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48 | |
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49 | // If we have a collapsed range, inside an empty element, we must add |
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50 | // something to it, otherwise the caret will not be visible. |
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51 | if ( oRange.collapsed && startContainer.nodeType == 1 && startContainer.childNodes.length == 0 ) |
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52 | startContainer.appendChild( oRange._Document.createTextNode('') ) ; |
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53 | |
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54 | var oDocRange = this.Window.document.createRange() ; |
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55 | oDocRange.setStart( startContainer, oRange.startOffset ) ; |
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56 | |
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57 | try |
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58 | { |
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59 | oDocRange.setEnd( oRange.endContainer, oRange.endOffset ) ; |
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60 | } |
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61 | catch ( e ) |
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62 | { |
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63 | // There is a bug in Firefox implementation (it would be too easy |
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64 | // otherwise). The new start can't be after the end (W3C says it can). |
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65 | // So, let's create a new range and collapse it to the desired point. |
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66 | if ( e.toString().Contains( 'NS_ERROR_ILLEGAL_VALUE' ) ) |
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67 | { |
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68 | oRange.collapse( true ) ; |
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69 | oDocRange.setEnd( oRange.endContainer, oRange.endOffset ) ; |
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70 | } |
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71 | else |
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72 | throw( e ) ; |
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73 | } |
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74 | |
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75 | var oSel = this.Window.getSelection() ; |
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76 | oSel.removeAllRanges() ; |
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77 | |
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78 | // We must add a clone otherwise Firefox will have rendering issues. |
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79 | oSel.addRange( oDocRange ) ; |
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80 | } |
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81 | } |
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82 | |
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83 | // Not compatible with bookmark created with CreateBookmark2. |
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84 | // The bookmark nodes will be deleted from the document. |
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85 | FCKDomRange.prototype.SelectBookmark = function( bookmark ) |
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86 | { |
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87 | var domRange = this.Window.document.createRange() ; |
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88 | |
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89 | var startNode = this.GetBookmarkNode( bookmark, true ) ; |
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90 | var endNode = this.GetBookmarkNode( bookmark, false ) ; |
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91 | |
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92 | domRange.setStart( startNode.parentNode, FCKDomTools.GetIndexOf( startNode ) ) ; |
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93 | FCKDomTools.RemoveNode( startNode ) ; |
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94 | |
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95 | if ( endNode ) |
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96 | { |
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97 | domRange.setEnd( endNode.parentNode, FCKDomTools.GetIndexOf( endNode ) ) ; |
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98 | FCKDomTools.RemoveNode( endNode ) ; |
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99 | } |
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100 | |
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101 | var selection = this.Window.getSelection() ; |
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102 | selection.removeAllRanges() ; |
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103 | selection.addRange( domRange ) ; |
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104 | } |
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