1 | /* |
---|
2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net |
---|
3 | * Copyright (C) 2003-2007 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 | * Utility functions. (Gecko version). |
---|
22 | */ |
---|
23 | |
---|
24 | FCKTools.CancelEvent = function( e ) |
---|
25 | { |
---|
26 | if ( e ) |
---|
27 | e.preventDefault() ; |
---|
28 | } |
---|
29 | |
---|
30 | FCKTools.DisableSelection = function( element ) |
---|
31 | { |
---|
32 | if ( FCKBrowserInfo.IsGecko ) |
---|
33 | element.style.MozUserSelect = 'none' ; // Gecko only. |
---|
34 | else |
---|
35 | element.style.userSelect = 'none' ; // CSS3 (not supported yet). |
---|
36 | } |
---|
37 | |
---|
38 | // Appends a CSS file to a document. |
---|
39 | FCKTools._AppendStyleSheet = function( documentElement, cssFileUrl ) |
---|
40 | { |
---|
41 | var e = documentElement.createElement( 'LINK' ) ; |
---|
42 | e.rel = 'stylesheet' ; |
---|
43 | e.type = 'text/css' ; |
---|
44 | e.href = cssFileUrl ; |
---|
45 | documentElement.getElementsByTagName("HEAD")[0].appendChild( e ) ; |
---|
46 | return e ; |
---|
47 | } |
---|
48 | |
---|
49 | // Removes all attributes and values from the element. |
---|
50 | FCKTools.ClearElementAttributes = function( element ) |
---|
51 | { |
---|
52 | // Loop throw all attributes in the element |
---|
53 | for ( var i = 0 ; i < element.attributes.length ; i++ ) |
---|
54 | { |
---|
55 | // Remove the element by name. |
---|
56 | element.removeAttribute( element.attributes[i].name, 0 ) ; // 0 : Case Insensitive |
---|
57 | } |
---|
58 | } |
---|
59 | |
---|
60 | // Returns an Array of strings with all defined in the elements inside another element. |
---|
61 | FCKTools.GetAllChildrenIds = function( parentElement ) |
---|
62 | { |
---|
63 | // Create the array that will hold all Ids. |
---|
64 | var aIds = new Array() ; |
---|
65 | |
---|
66 | // Define a recursive function that search for the Ids. |
---|
67 | var fGetIds = function( parent ) |
---|
68 | { |
---|
69 | for ( var i = 0 ; i < parent.childNodes.length ; i++ ) |
---|
70 | { |
---|
71 | var sId = parent.childNodes[i].id ; |
---|
72 | |
---|
73 | // Check if the Id is defined for the element. |
---|
74 | if ( sId && sId.length > 0 ) aIds[ aIds.length ] = sId ; |
---|
75 | |
---|
76 | // Recursive call. |
---|
77 | fGetIds( parent.childNodes[i] ) ; |
---|
78 | } |
---|
79 | } |
---|
80 | |
---|
81 | // Start the recursive calls. |
---|
82 | fGetIds( parentElement ) ; |
---|
83 | |
---|
84 | return aIds ; |
---|
85 | } |
---|
86 | |
---|
87 | // Replaces a tag with its contents. For example "<span>My <b>tag</b></span>" |
---|
88 | // will be replaced with "My <b>tag</b>". |
---|
89 | FCKTools.RemoveOuterTags = function( e ) |
---|
90 | { |
---|
91 | var oFragment = e.ownerDocument.createDocumentFragment() ; |
---|
92 | |
---|
93 | for ( var i = 0 ; i < e.childNodes.length ; i++ ) |
---|
94 | oFragment.appendChild( e.childNodes[i].cloneNode(true) ) ; |
---|
95 | |
---|
96 | e.parentNode.replaceChild( oFragment, e ) ; |
---|
97 | } |
---|
98 | |
---|
99 | FCKTools.CreateXmlObject = function( object ) |
---|
100 | { |
---|
101 | switch ( object ) |
---|
102 | { |
---|
103 | case 'XmlHttp' : |
---|
104 | return new XMLHttpRequest() ; |
---|
105 | case 'DOMDocument' : |
---|
106 | return document.implementation.createDocument( '', '', null ) ; |
---|
107 | } |
---|
108 | return null ; |
---|
109 | } |
---|
110 | |
---|
111 | FCKTools.GetScrollPosition = function( relativeWindow ) |
---|
112 | { |
---|
113 | return { X : relativeWindow.pageXOffset, Y : relativeWindow.pageYOffset } ; |
---|
114 | } |
---|
115 | |
---|
116 | FCKTools.AddEventListener = function( sourceObject, eventName, listener ) |
---|
117 | { |
---|
118 | sourceObject.addEventListener( eventName, listener, false ) ; |
---|
119 | } |
---|
120 | |
---|
121 | FCKTools.RemoveEventListener = function( sourceObject, eventName, listener ) |
---|
122 | { |
---|
123 | sourceObject.removeEventListener( eventName, listener, false ) ; |
---|
124 | } |
---|
125 | |
---|
126 | // Listeners attached with this function cannot be detached. |
---|
127 | FCKTools.AddEventListenerEx = function( sourceObject, eventName, listener, paramsArray ) |
---|
128 | { |
---|
129 | sourceObject.addEventListener( |
---|
130 | eventName, |
---|
131 | function( e ) |
---|
132 | { |
---|
133 | listener.apply( sourceObject, [ e ].concat( paramsArray || [] ) ) ; |
---|
134 | }, |
---|
135 | false |
---|
136 | ) ; |
---|
137 | } |
---|
138 | |
---|
139 | // Returns and object with the "Width" and "Height" properties. |
---|
140 | FCKTools.GetViewPaneSize = function( win ) |
---|
141 | { |
---|
142 | return { Width : win.innerWidth, Height : win.innerHeight } ; |
---|
143 | } |
---|
144 | |
---|
145 | FCKTools.SaveStyles = function( element ) |
---|
146 | { |
---|
147 | var oSavedStyles = new Object() ; |
---|
148 | |
---|
149 | if ( element.className.length > 0 ) |
---|
150 | { |
---|
151 | oSavedStyles.Class = element.className ; |
---|
152 | element.className = '' ; |
---|
153 | } |
---|
154 | |
---|
155 | var sInlineStyle = element.getAttribute( 'style' ) ; |
---|
156 | |
---|
157 | if ( sInlineStyle && sInlineStyle.length > 0 ) |
---|
158 | { |
---|
159 | oSavedStyles.Inline = sInlineStyle ; |
---|
160 | element.setAttribute( 'style', '', 0 ) ; // 0 : Case Insensitive |
---|
161 | } |
---|
162 | |
---|
163 | return oSavedStyles ; |
---|
164 | } |
---|
165 | |
---|
166 | FCKTools.RestoreStyles = function( element, savedStyles ) |
---|
167 | { |
---|
168 | element.className = savedStyles.Class || '' ; |
---|
169 | |
---|
170 | if ( savedStyles.Inline ) |
---|
171 | element.setAttribute( 'style', savedStyles.Inline, 0 ) ; // 0 : Case Insensitive |
---|
172 | else |
---|
173 | element.removeAttribute( 'style', 0 ) ; |
---|
174 | } |
---|
175 | |
---|
176 | FCKTools.RegisterDollarFunction = function( targetWindow ) |
---|
177 | { |
---|
178 | targetWindow.$ = function( id ) |
---|
179 | { |
---|
180 | return this.document.getElementById( id ) ; |
---|
181 | } ; |
---|
182 | } |
---|
183 | |
---|
184 | FCKTools.AppendElement = function( target, elementName ) |
---|
185 | { |
---|
186 | return target.appendChild( target.ownerDocument.createElement( elementName ) ) ; |
---|
187 | } |
---|
188 | |
---|
189 | // Get the coordinates of an element. |
---|
190 | // @el : The element to get the position. |
---|
191 | // @relativeWindow: The window to which we want the coordinates relative to. |
---|
192 | FCKTools.GetElementPosition = function( el, relativeWindow ) |
---|
193 | { |
---|
194 | // Initializes the Coordinates object that will be returned by the function. |
---|
195 | var c = { X:0, Y:0 } ; |
---|
196 | |
---|
197 | var oWindow = relativeWindow || window ; |
---|
198 | |
---|
199 | var oOwnerWindow = FCKTools.GetElementWindow( el ) ; |
---|
200 | |
---|
201 | // Loop throw the offset chain. |
---|
202 | while ( el ) |
---|
203 | { |
---|
204 | var sPosition = oOwnerWindow.getComputedStyle(el, '').position ; |
---|
205 | |
---|
206 | // Check for non "static" elements. |
---|
207 | // 'FCKConfig.FloatingPanelsZIndex' -- Submenus are under a positioned IFRAME. |
---|
208 | if ( sPosition && sPosition != 'static' && el.style.zIndex != FCKConfig.FloatingPanelsZIndex ) |
---|
209 | break ; |
---|
210 | |
---|
211 | c.X += el.offsetLeft - el.scrollLeft ; |
---|
212 | c.Y += el.offsetTop - el.scrollTop ; |
---|
213 | |
---|
214 | if ( el.offsetParent ) |
---|
215 | el = el.offsetParent ; |
---|
216 | else |
---|
217 | { |
---|
218 | if ( oOwnerWindow != oWindow ) |
---|
219 | { |
---|
220 | el = oOwnerWindow.frameElement ; |
---|
221 | if ( el ) |
---|
222 | oOwnerWindow = FCKTools.GetElementWindow( el ) ; |
---|
223 | } |
---|
224 | else |
---|
225 | { |
---|
226 | c.X += el.scrollLeft ; |
---|
227 | c.Y += el.scrollTop ; |
---|
228 | break ; |
---|
229 | } |
---|
230 | } |
---|
231 | } |
---|
232 | |
---|
233 | // Return the Coordinates object |
---|
234 | return c ; |
---|
235 | } |
---|