source: trunk/admin/inc/FCKeditor/editor/_source/classes/fckpanel.js@ 2

Last change on this file since 2 was 2, checked in by root, 15 years ago

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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: fckpanel.js
14 * Component that creates floating panels. It is used by many
15 * other components, like the toolbar items, context menu, etc...
16 *
17 * File Authors:
18 * Frederico Caldeira Knabben (fredck@fckeditor.net)
19 */
20
21
22var FCKPanel = function( parentWindow )
23{
24 this.IsRTL = ( FCKLang.Dir == 'rtl' ) ;
25 this.IsContextMenu = false ;
26 this._LockCounter = 0 ;
27
28 this._Window = parentWindow || window ;
29
30 var oDocument ;
31
32 if ( FCKBrowserInfo.IsIE )
33 {
34 // Create the Popup that will hold the panel.
35 this._Popup = this._Window.createPopup() ;
36 oDocument = this.Document = this._Popup.document ;
37 }
38 else
39 {
40 var oIFrame = this._IFrame = this._Window.document.createElement('iframe') ;
41 oIFrame.src = 'javascript:void(0)' ;
42 oIFrame.allowTransparency = true ;
43 oIFrame.frameBorder = '0' ;
44 oIFrame.scrolling = 'no' ;
45 oIFrame.style.position = 'absolute';
46 oIFrame.style.zIndex = FCKConfig.FloatingPanelsZIndex ;
47 oIFrame.width = oIFrame.height = 0 ;
48
49 if ( this._Window == window.parent && window.frameElement )
50 window.frameElement.parentNode.insertBefore( oIFrame, window.frameElement ) ;
51 else
52 this._Window.document.body.appendChild( oIFrame ) ;
53
54 var oIFrameWindow = oIFrame.contentWindow ;
55
56 oDocument = this.Document = oIFrameWindow.document ;
57
58 // Initialize the IFRAME document body.
59 oDocument.open() ;
60 oDocument.write( '<html><head></head><body style="margin:0px;padding:0px;"><\/body><\/html>' ) ;
61 oDocument.close() ;
62
63 FCKTools.AddEventListenerEx( oIFrameWindow, 'focus', FCKPanel_Window_OnFocus, this ) ;
64 FCKTools.AddEventListenerEx( oIFrameWindow, 'blur', FCKPanel_Window_OnBlur, this ) ;
65 }
66
67 oDocument.dir = FCKLang.Dir ;
68
69 oDocument.oncontextmenu = FCKTools.CancelEvent ;
70
71
72 // Create the main DIV that is used as the panel base.
73 this.MainNode = oDocument.body.appendChild( oDocument.createElement('DIV') ) ;
74
75 // The "float" property must be set so Firefox calculates the size correcly.
76 this.MainNode.style.cssFloat = this.IsRTL ? 'right' : 'left' ;
77
78 if ( FCK.IECleanup )
79 FCK.IECleanup.AddItem( this, FCKPanel_Cleanup ) ;
80}
81
82
83FCKPanel.prototype.AppendStyleSheet = function( styleSheet )
84{
85 FCKTools.AppendStyleSheet( this.Document, styleSheet ) ;
86}
87
88FCKPanel.prototype.Preload = function( x, y, relElement )
89{
90 // The offsetWidth and offsetHeight properties are not available if the
91 // element is not visible. So we must "show" the popup with no size to
92 // be able to use that values in the second call (IE only).
93 if ( this._Popup )
94 this._Popup.show( x, y, 0, 0, relElement ) ;
95}
96
97FCKPanel.prototype.Show = function( x, y, relElement, width, height )
98{
99 if ( this._Popup )
100 {
101 // The offsetWidth and offsetHeight properties are not available if the
102 // element is not visible. So we must "show" the popup with no size to
103 // be able to use that values in the second call.
104 this._Popup.show( x, y, 0, 0, relElement ) ;
105
106 // The following lines must be place after the above "show", otherwise it
107 // doesn't has the desired effect.
108 this.MainNode.style.width = width ? width + 'px' : '' ;
109 this.MainNode.style.height = height ? height + 'px' : '' ;
110
111 var iMainWidth = this.MainNode.offsetWidth ;
112
113 if ( this.IsRTL )
114 {
115 if ( this.IsContextMenu )
116 x = x - iMainWidth + 1 ;
117 else if ( relElement )
118 x = ( x * -1 ) + relElement.offsetWidth - iMainWidth ;
119 }
120
121 // Second call: Show the Popup at the specified location, with the correct size.
122 this._Popup.show( x, y, iMainWidth, this.MainNode.offsetHeight, relElement ) ;
123
124 if ( this.OnHide )
125 {
126 if ( this._Timer )
127 CheckPopupOnHide.call( this, true ) ;
128
129 this._Timer = FCKTools.SetInterval( CheckPopupOnHide, 100, this ) ;
130 }
131 }
132 else
133 {
134 // Do not fire OnBlur while the panel is opened.
135 if ( typeof( FCKFocusManager ) != 'undefined' )
136 FCKFocusManager.Lock() ;
137
138 if ( this.ParentPanel )
139 this.ParentPanel.Lock() ;
140
141 this.MainNode.style.width = width ? width + 'px' : '' ;
142 this.MainNode.style.height = height ? height + 'px' : '' ;
143
144 var iMainWidth = this.MainNode.offsetWidth ;
145
146 if ( !width ) this._IFrame.width = 1 ;
147 if ( !height ) this._IFrame.height = 1 ;
148
149 // This is weird... but with Firefox, we must get the offsetWidth before
150 // setting the _IFrame size (which returns "0"), and then after that,
151 // to return the correct width. Remove the first step and it will not
152 // work when the editor is in RTL.
153 iMainWidth = this.MainNode.offsetWidth ;
154
155 var oPos = FCKTools.GetElementPosition( ( relElement.nodeType == 9 ? relElement.body : relElement), this._Window ) ;
156
157 if ( this.IsRTL && !this.IsContextMenu )
158 x = ( x * -1 ) ;
159
160 x += oPos.X ;
161 y += oPos.Y ;
162
163 if ( this.IsRTL )
164 {
165 if ( this.IsContextMenu )
166 x = x - iMainWidth + 1 ;
167 else if ( relElement )
168 x = x + relElement.offsetWidth - iMainWidth ;
169 }
170 else
171 {
172 var oViewPaneSize = FCKTools.GetViewPaneSize( this._Window ) ;
173 var oScrollPosition = FCKTools.GetScrollPosition( this._Window ) ;
174
175 var iViewPaneHeight = oViewPaneSize.Height + oScrollPosition.Y ;
176 var iViewPaneWidth = oViewPaneSize.Width + oScrollPosition.X ;
177
178 if ( ( x + iMainWidth ) > iViewPaneWidth )
179 x -= x + iMainWidth - iViewPaneWidth ;
180
181 if ( ( y + this.MainNode.offsetHeight ) > iViewPaneHeight )
182 y -= y + this.MainNode.offsetHeight - iViewPaneHeight ;
183 }
184
185 if ( x < 0 )
186 x = 0 ;
187
188 // Set the context menu DIV in the specified location.
189 this._IFrame.style.left = x + 'px' ;
190 this._IFrame.style.top = y + 'px' ;
191
192 var iWidth = iMainWidth ;
193 var iHeight = this.MainNode.offsetHeight ;
194
195 this._IFrame.width = iWidth ;
196 this._IFrame.height = iHeight ;
197
198 // Move the focus to the IFRAME so we catch the "onblur".
199 this._IFrame.contentWindow.focus() ;
200 }
201
202 this._IsOpened = true ;
203
204 FCKTools.RunFunction( this.OnShow, this ) ;
205}
206
207FCKPanel.prototype.Hide = function( ignoreOnHide )
208{
209 if ( this._Popup )
210 this._Popup.hide() ;
211 else
212 {
213 if ( !this._IsOpened )
214 return ;
215
216 // Enable the editor to fire the "OnBlur".
217 if ( typeof( FCKFocusManager ) != 'undefined' )
218 FCKFocusManager.Unlock() ;
219
220 // It is better to set the sizes to 0, otherwise Firefox would have
221 // rendering problems.
222 this._IFrame.width = this._IFrame.height = 0 ;
223
224 this._IsOpened = false ;
225
226 if ( this.ParentPanel )
227 this.ParentPanel.Unlock() ;
228
229 if ( !ignoreOnHide )
230 FCKTools.RunFunction( this.OnHide, this ) ;
231 }
232}
233
234FCKPanel.prototype.CheckIsOpened = function()
235{
236 if ( this._Popup )
237 return this._Popup.isOpen ;
238 else
239 return this._IsOpened ;
240}
241
242FCKPanel.prototype.CreateChildPanel = function()
243{
244 var oWindow = this._Popup ? FCKTools.GetParentWindow( this.Document ) : this._Window ;
245
246 var oChildPanel = new FCKPanel( oWindow, true ) ;
247 oChildPanel.ParentPanel = this ;
248
249 return oChildPanel ;
250}
251
252FCKPanel.prototype.Lock = function()
253{
254 this._LockCounter++ ;
255}
256
257FCKPanel.prototype.Unlock = function()
258{
259 if ( --this._LockCounter == 0 && !this.HasFocus )
260 this.Hide() ;
261}
262
263/* Events */
264
265function FCKPanel_Window_OnFocus( e, panel )
266{
267 panel.HasFocus = true ;
268}
269
270function FCKPanel_Window_OnBlur( e, panel )
271{
272 panel.HasFocus = false ;
273
274 if ( panel._LockCounter == 0 )
275 FCKTools.RunFunction( panel.Hide, panel ) ;
276}
277
278function CheckPopupOnHide( forceHide )
279{
280 if ( forceHide || !this._Popup.isOpen )
281 {
282 window.clearInterval( this._Timer ) ;
283 this._Timer = null ;
284
285 FCKTools.RunFunction( this.OnHide, this ) ;
286 }
287}
288
289function FCKPanel_Cleanup()
290{
291 this._Popup = null ;
292 this._Window = null ;
293 this.Document = null ;
294 this.MainNode = null ;
295}
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