1 | /* |
---|
2 | * FCKeditor - The text editor for internet |
---|
3 | * Copyright (C) 2003-2006 Frederico Caldeira Knabben |
---|
4 | * |
---|
5 | * Licensed under the terms of the GNU Lesser General Public License: |
---|
6 | * http://www.opensource.org/licenses/lgpl-license.php |
---|
7 | * |
---|
8 | * For further information visit: |
---|
9 | * http://www.fckeditor.net/ |
---|
10 | * |
---|
11 | * "Support Open Source software. What about a donation today?" |
---|
12 | * |
---|
13 | * File Name: fckselection_ie.js |
---|
14 | * Active selection functions. (IE specific implementation) |
---|
15 | * |
---|
16 | * File Authors: |
---|
17 | * Frederico Caldeira Knabben (fredck@fckeditor.net) |
---|
18 | */ |
---|
19 | |
---|
20 | // Get the selection type. |
---|
21 | FCKSelection.GetType = function() |
---|
22 | { |
---|
23 | return FCK.EditorDocument.selection.type ; |
---|
24 | } |
---|
25 | |
---|
26 | // Retrieves the selected element (if any), just in the case that a single |
---|
27 | // element (object like and image or a table) is selected. |
---|
28 | FCKSelection.GetSelectedElement = function() |
---|
29 | { |
---|
30 | if ( this.GetType() == 'Control' ) |
---|
31 | { |
---|
32 | var oRange = FCK.EditorDocument.selection.createRange() ; |
---|
33 | |
---|
34 | if ( oRange && oRange.item ) |
---|
35 | return FCK.EditorDocument.selection.createRange().item(0) ; |
---|
36 | } |
---|
37 | } |
---|
38 | |
---|
39 | FCKSelection.GetParentElement = function() |
---|
40 | { |
---|
41 | switch ( this.GetType() ) |
---|
42 | { |
---|
43 | case 'Control' : |
---|
44 | return FCKSelection.GetSelectedElement().parentElement ; |
---|
45 | case 'None' : |
---|
46 | return ; |
---|
47 | default : |
---|
48 | return FCK.EditorDocument.selection.createRange().parentElement() ; |
---|
49 | } |
---|
50 | } |
---|
51 | |
---|
52 | FCKSelection.SelectNode = function( node ) |
---|
53 | { |
---|
54 | FCK.Focus() ; |
---|
55 | FCK.EditorDocument.selection.empty() ; |
---|
56 | |
---|
57 | try |
---|
58 | { |
---|
59 | // Try to select the node as a control. |
---|
60 | var oRange = FCK.EditorDocument.body.createControlRange() ; |
---|
61 | oRange.addElement( node ) ; |
---|
62 | } |
---|
63 | catch(e) |
---|
64 | { |
---|
65 | // If failed, select it as a text range. |
---|
66 | var oRange = FCK.EditorDocument.selection.createRange() ; |
---|
67 | oRange.moveToElementText( node ) ; |
---|
68 | } |
---|
69 | |
---|
70 | oRange.select() ; |
---|
71 | } |
---|
72 | |
---|
73 | FCKSelection.Collapse = function( toStart ) |
---|
74 | { |
---|
75 | FCK.Focus() ; |
---|
76 | if ( this.GetType() == 'Text' ) |
---|
77 | { |
---|
78 | var oRange = FCK.EditorDocument.selection.createRange() ; |
---|
79 | oRange.collapse( toStart == null || toStart === true ) ; |
---|
80 | oRange.select() ; |
---|
81 | } |
---|
82 | } |
---|
83 | |
---|
84 | // The "nodeTagName" parameter must be Upper Case. |
---|
85 | FCKSelection.HasAncestorNode = function( nodeTagName ) |
---|
86 | { |
---|
87 | var oContainer ; |
---|
88 | |
---|
89 | if ( FCK.EditorDocument.selection.type == "Control" ) |
---|
90 | { |
---|
91 | oContainer = this.GetSelectedElement() ; |
---|
92 | } |
---|
93 | else |
---|
94 | { |
---|
95 | var oRange = FCK.EditorDocument.selection.createRange() ; |
---|
96 | oContainer = oRange.parentElement() ; |
---|
97 | } |
---|
98 | |
---|
99 | while ( oContainer ) |
---|
100 | { |
---|
101 | if ( oContainer.tagName == nodeTagName ) return true ; |
---|
102 | oContainer = oContainer.parentNode ; |
---|
103 | } |
---|
104 | |
---|
105 | return false ; |
---|
106 | } |
---|
107 | |
---|
108 | // The "nodeTagName" parameter must be UPPER CASE. |
---|
109 | FCKSelection.MoveToAncestorNode = function( nodeTagName ) |
---|
110 | { |
---|
111 | var oNode ; |
---|
112 | |
---|
113 | if ( FCK.EditorDocument.selection.type == "Control" ) |
---|
114 | { |
---|
115 | var oRange = FCK.EditorDocument.selection.createRange() ; |
---|
116 | for ( i = 0 ; i < oRange.length ; i++ ) |
---|
117 | { |
---|
118 | if (oRange(i).parentNode) |
---|
119 | { |
---|
120 | oNode = oRange(i).parentNode ; |
---|
121 | break ; |
---|
122 | } |
---|
123 | } |
---|
124 | } |
---|
125 | else |
---|
126 | { |
---|
127 | var oRange = FCK.EditorDocument.selection.createRange() ; |
---|
128 | oNode = oRange.parentElement() ; |
---|
129 | } |
---|
130 | |
---|
131 | while ( oNode && oNode.nodeName != nodeTagName ) |
---|
132 | oNode = oNode.parentNode ; |
---|
133 | |
---|
134 | return oNode ; |
---|
135 | } |
---|
136 | |
---|
137 | FCKSelection.Delete = function() |
---|
138 | { |
---|
139 | // Gets the actual selection. |
---|
140 | var oSel = FCK.EditorDocument.selection ; |
---|
141 | |
---|
142 | // Deletes the actual selection contents. |
---|
143 | if ( oSel.type.toLowerCase() != "none" ) |
---|
144 | { |
---|
145 | oSel.clear() ; |
---|
146 | } |
---|
147 | |
---|
148 | return oSel ; |
---|
149 | } |
---|
150 | |
---|
151 | |
---|