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1075 ddelon 1
/*
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 * FCKeditor - The text editor for internet
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 * Copyright (C) 2003-2006 Frederico Caldeira Knabben
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 *
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 * Licensed under the terms of the GNU Lesser General Public License:
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 * 		http://www.opensource.org/licenses/lgpl-license.php
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 *
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 * For further information visit:
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 * 		http://www.fckeditor.net/
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 *
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 * "Support Open Source software. What about a donation today?"
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 *
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 * File Name: fckpanel.js
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 * 	Component that creates floating panels. It is used by many
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 * 	other components, like the toolbar items, context menu, etc...
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 *
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 * File Authors:
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 * 		Frederico Caldeira Knabben (fredck@fckeditor.net)
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 */
20
 
21
 
22
var FCKPanel = function( parentWindow )
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{
24
	this.IsRTL			= ( FCKLang.Dir == 'rtl' ) ;
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	this.IsContextMenu	= false ;
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	this._LockCounter	= 0 ;
27
 
28
	this._Window = parentWindow || window ;
29
 
30
	var oDocument ;
31
 
32
	if ( FCKBrowserInfo.IsIE )
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	{
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		// Create the Popup that will hold the panel.
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		this._Popup	= this._Window.createPopup() ;
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		oDocument = this.Document = this._Popup.document ;
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	}
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	else
39
	{
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		var oIFrame = this._IFrame = this._Window.document.createElement('iframe') ;
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		oIFrame.src					= 'javascript:void(0)' ;
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		oIFrame.allowTransparency	= true ;
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		oIFrame.frameBorder			= '0' ;
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		oIFrame.scrolling			= 'no' ;
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		oIFrame.style.position		= 'absolute';
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		oIFrame.style.zIndex		= FCKConfig.FloatingPanelsZIndex ;
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		oIFrame.width = oIFrame.height = 0 ;
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		if ( this._Window == window.parent && window.frameElement )
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			window.frameElement.parentNode.insertBefore( oIFrame, window.frameElement ) ;
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		else
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			this._Window.document.body.appendChild( oIFrame ) ;
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54
		var oIFrameWindow = oIFrame.contentWindow ;
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56
		oDocument = this.Document = oIFrameWindow.document ;
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58
		// Initialize the IFRAME document body.
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		oDocument.open() ;
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		oDocument.write( '<html><head></head><body style="margin:0px;padding:0px;"><\/body><\/html>' ) ;
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		oDocument.close() ;
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63
		FCKTools.AddEventListenerEx( oIFrameWindow, 'focus', FCKPanel_Window_OnFocus, this ) ;
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		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.
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	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
 
83
FCKPanel.prototype.AppendStyleSheet = function( styleSheet )
84
{
85
	FCKTools.AppendStyleSheet( this.Document, styleSheet ) ;
86
}
87
 
88
FCKPanel.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
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	// be able to use that values in the second call (IE only).
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	if ( this._Popup )
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		this._Popup.show( x, y, 0, 0, relElement ) ;
95
}
96
 
97
FCKPanel.prototype.Show = function( x, y, relElement, width, height )
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{
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.
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		this._Popup.show( x, y, 0, 0, relElement ) ;
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106
		// The following lines must be place after the above "show", otherwise it
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		// doesn't has the desired effect.
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		this.MainNode.style.width	= width ? width + 'px' : '' ;
109
		this.MainNode.style.height	= height ? height + 'px' : '' ;
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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
 
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		if ( !width )	this._IFrame.width	= 1 ;
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		if ( !height )	this._IFrame.height	= 1 ;
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149
		// This is weird... but with Firefox, we must get the offsetWidth before
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		// 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.
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		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 )
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				x -= x + iMainWidth - iViewPaneWidth ;
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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
 
207
FCKPanel.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' )
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			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
 
234
FCKPanel.prototype.CheckIsOpened = function()
235
{
236
	if ( this._Popup )
237
		return this._Popup.isOpen ;
238
	else
239
		return this._IsOpened ;
240
}
241
 
242
FCKPanel.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
 
252
FCKPanel.prototype.Lock = function()
253
{
254
	this._LockCounter++ ;
255
}
256
 
257
FCKPanel.prototype.Unlock = function()
258
{
259
	if ( --this._LockCounter == 0 && !this.HasFocus )
260
		this.Hide() ;
261
}
262
 
263
/* Events */
264
 
265
function FCKPanel_Window_OnFocus( e, panel )
266
{
267
	panel.HasFocus = true ;
268
}
269
 
270
function FCKPanel_Window_OnBlur( e, panel )
271
{
272
	panel.HasFocus = false ;
273
 
274
	if ( panel._LockCounter == 0 )
275
		FCKTools.RunFunction( panel.Hide, panel ) ;
276
}
277
 
278
function 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
 
289
function FCKPanel_Cleanup()
290
{
291
	this._Popup = null ;
292
	this._Window = null ;
293
	this.Document = null ;
294
	this.MainNode = null ;
295
}