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/*
* FCKeditor - The text editor for Internet - http://www.fckeditor.net
* Copyright (C) 2003-2007 Frederico Caldeira Knabben
*
* == BEGIN LICENSE ==
*
* Licensed under the terms of any of the following licenses at your
* choice:
*
* - GNU General Public License Version 2 or later (the "GPL")
* http://www.gnu.org/licenses/gpl.html
*
* - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
* http://www.gnu.org/licenses/lgpl.html
*
* - Mozilla Public License Version 1.1 or later (the "MPL")
* http://www.mozilla.org/MPL/MPL-1.1.html
*
* == END LICENSE ==
*
* Component that creates floating panels. It is used by many
* other components, like the toolbar items, context menu, etc...
*/
var FCKPanel = function( parentWindow )
{
this.IsRTL = ( FCKLang.Dir == 'rtl' ) ;
this.IsContextMenu = false ;
this._LockCounter = 0 ;
this._Window = parentWindow || window ;
var oDocument ;
if ( FCKBrowserInfo.IsIE )
{
// Create the Popup that will hold the panel.
this._Popup = this._Window.createPopup() ;
oDocument = this.Document = this._Popup.document ;
FCK.IECleanup.AddItem( this, FCKPanel_Cleanup ) ;
}
else
{
var oIFrame = this._IFrame = this._Window.document.createElement('iframe') ;
oIFrame.src = 'javascript:void(0)' ;
oIFrame.allowTransparency = true ;
oIFrame.frameBorder = '0' ;
oIFrame.scrolling = 'no' ;
oIFrame.style.position = 'absolute';
oIFrame.style.zIndex = FCKConfig.FloatingPanelsZIndex ;
oIFrame.width = oIFrame.height = 0 ;
if ( this._Window == window.parent && window.frameElement )
window.frameElement.parentNode.insertBefore( oIFrame, window.frameElement ) ;
else
this._Window.document.body.appendChild( oIFrame ) ;
var oIFrameWindow = oIFrame.contentWindow ;
oDocument = this.Document = oIFrameWindow.document ;
// Initialize the IFRAME document body.
oDocument.open() ;
oDocument.write( '<html><head></head><body style="margin:0px;padding:0px;"><\/body><\/html>' ) ;
oDocument.close() ;
FCKTools.AddEventListenerEx( oIFrameWindow, 'focus', FCKPanel_Window_OnFocus, this ) ;
FCKTools.AddEventListenerEx( oIFrameWindow, 'blur', FCKPanel_Window_OnBlur, this ) ;
}
oDocument.dir = FCKLang.Dir ;
oDocument.oncontextmenu = FCKTools.CancelEvent ;
// Create the main DIV that is used as the panel base.
this.MainNode = oDocument.body.appendChild( oDocument.createElement('DIV') ) ;
// The "float" property must be set so Firefox calculates the size correcly.
this.MainNode.style.cssFloat = this.IsRTL ? 'right' : 'left' ;
}
FCKPanel.prototype.AppendStyleSheet = function( styleSheet )
{
FCKTools.AppendStyleSheet( this.Document, styleSheet ) ;
}
FCKPanel.prototype.Preload = function( x, y, relElement )
{
// The offsetWidth and offsetHeight properties are not available if the
// element is not visible. So we must "show" the popup with no size to
// be able to use that values in the second call (IE only).
if ( this._Popup )
this._Popup.show( x, y, 0, 0, relElement ) ;
}
FCKPanel.prototype.Show = function( x, y, relElement, width, height )
{
var iMainWidth ;
if ( this._Popup )
{
// The offsetWidth and offsetHeight properties are not available if the
// element is not visible. So we must "show" the popup with no size to
// be able to use that values in the second call.
this._Popup.show( x, y, 0, 0, relElement ) ;
// The following lines must be place after the above "show", otherwise it
// doesn't has the desired effect.
this.MainNode.style.width = width ? width + 'px' : '' ;
this.MainNode.style.height = height ? height + 'px' : '' ;
iMainWidth = this.MainNode.offsetWidth ;
if ( this.IsRTL )
{
if ( this.IsContextMenu )
x = x - iMainWidth + 1 ;
else if ( relElement )
x = ( x * -1 ) + relElement.offsetWidth - iMainWidth ;
}
// Second call: Show the Popup at the specified location, with the correct size.
this._Popup.show( x, y, iMainWidth, this.MainNode.offsetHeight, relElement ) ;
if ( this.OnHide )
{
if ( this._Timer )
CheckPopupOnHide.call( this, true ) ;
this._Timer = FCKTools.SetInterval( CheckPopupOnHide, 100, this ) ;
}
}
else
{
// Do not fire OnBlur while the panel is opened.
if ( typeof( FCKFocusManager ) != 'undefined' )
FCKFocusManager.Lock() ;
if ( this.ParentPanel )
this.ParentPanel.Lock() ;
this.MainNode.style.width = width ? width + 'px' : '' ;
this.MainNode.style.height = height ? height + 'px' : '' ;
iMainWidth = this.MainNode.offsetWidth ;
if ( !width ) this._IFrame.width = 1 ;
if ( !height ) this._IFrame.height = 1 ;
// This is weird... but with Firefox, we must get the offsetWidth before
// setting the _IFrame size (which returns "0"), and then after that,
// to return the correct width. Remove the first step and it will not
// work when the editor is in RTL.
iMainWidth = this.MainNode.offsetWidth ;
var oPos = FCKTools.GetElementPosition(
relElement.nodeType == 9 ?
( FCKTools.IsStrictMode( relElement ) ? relElement.documentElement : relElement.body ) :
relElement,
this._Window ) ;
if ( this.IsRTL && !this.IsContextMenu )
x = ( x * -1 ) ;
x += oPos.X ;
y += oPos.Y ;
if ( this.IsRTL )
{
if ( this.IsContextMenu )
x = x - iMainWidth + 1 ;
else if ( relElement )
x = x + relElement.offsetWidth - iMainWidth ;
}
else
{
var oViewPaneSize = FCKTools.GetViewPaneSize( this._Window ) ;
var oScrollPosition = FCKTools.GetScrollPosition( this._Window ) ;
var iViewPaneHeight = oViewPaneSize.Height + oScrollPosition.Y ;
var iViewPaneWidth = oViewPaneSize.Width + oScrollPosition.X ;
if ( ( x + iMainWidth ) > iViewPaneWidth )
x -= x + iMainWidth - iViewPaneWidth ;
if ( ( y + this.MainNode.offsetHeight ) > iViewPaneHeight )
y -= y + this.MainNode.offsetHeight - iViewPaneHeight ;
}
if ( x < 0 )
x = 0 ;
// Set the context menu DIV in the specified location.
this._IFrame.style.left = x + 'px' ;
this._IFrame.style.top = y + 'px' ;
var iWidth = iMainWidth ;
var iHeight = this.MainNode.offsetHeight ;
this._IFrame.width = iWidth ;
this._IFrame.height = iHeight ;
// Move the focus to the IFRAME so we catch the "onblur".
this._IFrame.contentWindow.focus() ;
}
this._IsOpened = true ;
FCKTools.RunFunction( this.OnShow, this ) ;
}
FCKPanel.prototype.Hide = function( ignoreOnHide )
{
if ( this._Popup )
this._Popup.hide() ;
else
{
if ( !this._IsOpened )
return ;
// Enable the editor to fire the "OnBlur".
if ( typeof( FCKFocusManager ) != 'undefined' )
FCKFocusManager.Unlock() ;
// It is better to set the sizes to 0, otherwise Firefox would have
// rendering problems.
this._IFrame.width = this._IFrame.height = 0 ;
this._IsOpened = false ;
if ( this.ParentPanel )
this.ParentPanel.Unlock() ;
if ( !ignoreOnHide )
FCKTools.RunFunction( this.OnHide, this ) ;
}
}
FCKPanel.prototype.CheckIsOpened = function()
{
if ( this._Popup )
return this._Popup.isOpen ;
else
return this._IsOpened ;
}
FCKPanel.prototype.CreateChildPanel = function()
{
var oWindow = this._Popup ? FCKTools.GetDocumentWindow( this.Document ) : this._Window ;
var oChildPanel = new FCKPanel( oWindow, true ) ;
oChildPanel.ParentPanel = this ;
return oChildPanel ;
}
FCKPanel.prototype.Lock = function()
{
this._LockCounter++ ;
}
FCKPanel.prototype.Unlock = function()
{
if ( --this._LockCounter == 0 && !this.HasFocus )
this.Hide() ;
}
/* Events */
function FCKPanel_Window_OnFocus( e, panel )
{
panel.HasFocus = true ;
}
function FCKPanel_Window_OnBlur( e, panel )
{
panel.HasFocus = false ;
if ( panel._LockCounter == 0 )
FCKTools.RunFunction( panel.Hide, panel ) ;
}
function CheckPopupOnHide( forceHide )
{
if ( forceHide || !this._Popup.isOpen )
{
window.clearInterval( this._Timer ) ;
this._Timer = null ;
FCKTools.RunFunction( this.OnHide, this ) ;
}
}
function FCKPanel_Cleanup()
{
this._Popup = null ;
this._Window = null ;
this.Document = null ;
this.MainNode = null ;
}

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