| 1 |
/* |
| 2 |
* FCKeditor - The text editor for Internet - http://www.fckeditor.net |
| 3 |
* Copyright (C) 2003-2009 Frederico Caldeira Knabben |
| 4 |
* |
| 5 |
* == BEGIN LICENSE == |
| 6 |
* |
| 7 |
* Licensed under the terms of any of the following licenses at your |
| 8 |
* choice: |
| 9 |
* |
| 10 |
* - GNU General Public License Version 2 or later (the "GPL") |
| 11 |
* http://www.gnu.org/licenses/gpl.html |
| 12 |
* |
| 13 |
* - GNU Lesser General Public License Version 2.1 or later (the "LGPL") |
| 14 |
* http://www.gnu.org/licenses/lgpl.html |
| 15 |
* |
| 16 |
* - Mozilla Public License Version 1.1 or later (the "MPL") |
| 17 |
* http://www.mozilla.org/MPL/MPL-1.1.html |
| 18 |
* |
| 19 |
* == END LICENSE == |
| 20 |
* |
| 21 |
* Class for working with a selection range, much like the W3C DOM Range, but |
| 22 |
* it is not intended to be an implementation of the W3C interface. |
| 23 |
* (Gecko Implementation) |
| 24 |
*/ |
| 25 |
|
| 26 |
FCKDomRange.prototype.MoveToSelection = function() |
| 27 |
{ |
| 28 |
this.Release( true ) ; |
| 29 |
|
| 30 |
var oSel = this.Window.getSelection() ; |
| 31 |
|
| 32 |
if ( oSel && oSel.rangeCount > 0 ) |
| 33 |
{ |
| 34 |
this._Range = FCKW3CRange.CreateFromRange( this.Window.document, oSel.getRangeAt(0) ) ; |
| 35 |
this._UpdateElementInfo() ; |
| 36 |
} |
| 37 |
else |
| 38 |
if ( this.Window.document ) |
| 39 |
this.MoveToElementStart( this.Window.document.body ) ; |
| 40 |
} |
| 41 |
|
| 42 |
FCKDomRange.prototype.Select = function() |
| 43 |
{ |
| 44 |
var oRange = this._Range ; |
| 45 |
if ( oRange ) |
| 46 |
{ |
| 47 |
var startContainer = oRange.startContainer ; |
| 48 |
|
| 49 |
// If we have a collapsed range, inside an empty element, we must add |
| 50 |
// something to it, otherwise the caret will not be visible. |
| 51 |
if ( oRange.collapsed && startContainer.nodeType == 1 && startContainer.childNodes.length == 0 ) |
| 52 |
startContainer.appendChild( oRange._Document.createTextNode('') ) ; |
| 53 |
|
| 54 |
var oDocRange = this.Window.document.createRange() ; |
| 55 |
oDocRange.setStart( startContainer, oRange.startOffset ) ; |
| 56 |
|
| 57 |
try |
| 58 |
{ |
| 59 |
oDocRange.setEnd( oRange.endContainer, oRange.endOffset ) ; |
| 60 |
} |
| 61 |
catch ( e ) |
| 62 |
{ |
| 63 |
// There is a bug in Firefox implementation (it would be too easy |
| 64 |
// otherwise). The new start can't be after the end (W3C says it can). |
| 65 |
// So, let's create a new range and collapse it to the desired point. |
| 66 |
if ( e.toString().Contains( 'NS_ERROR_ILLEGAL_VALUE' ) ) |
| 67 |
{ |
| 68 |
oRange.collapse( true ) ; |
| 69 |
oDocRange.setEnd( oRange.endContainer, oRange.endOffset ) ; |
| 70 |
} |
| 71 |
else |
| 72 |
throw( e ) ; |
| 73 |
} |
| 74 |
|
| 75 |
var oSel = this.Window.getSelection() ; |
| 76 |
oSel.removeAllRanges() ; |
| 77 |
|
| 78 |
// We must add a clone otherwise Firefox will have rendering issues. |
| 79 |
oSel.addRange( oDocRange ) ; |
| 80 |
} |
| 81 |
} |
| 82 |
|
| 83 |
// Not compatible with bookmark created with CreateBookmark2. |
| 84 |
// The bookmark nodes will be deleted from the document. |
| 85 |
FCKDomRange.prototype.SelectBookmark = function( bookmark ) |
| 86 |
{ |
| 87 |
var domRange = this.Window.document.createRange() ; |
| 88 |
|
| 89 |
var startNode = this.GetBookmarkNode( bookmark, true ) ; |
| 90 |
var endNode = this.GetBookmarkNode( bookmark, false ) ; |
| 91 |
|
| 92 |
domRange.setStart( startNode.parentNode, FCKDomTools.GetIndexOf( startNode ) ) ; |
| 93 |
FCKDomTools.RemoveNode( startNode ) ; |
| 94 |
|
| 95 |
if ( endNode ) |
| 96 |
{ |
| 97 |
domRange.setEnd( endNode.parentNode, FCKDomTools.GetIndexOf( endNode ) ) ; |
| 98 |
FCKDomTools.RemoveNode( endNode ) ; |
| 99 |
} |
| 100 |
|
| 101 |
var selection = this.Window.getSelection() ; |
| 102 |
selection.removeAllRanges() ; |
| 103 |
selection.addRange( domRange ) ; |
| 104 |
} |
| 105 |
|
