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/* * FCKeditor - The text editor for Internet - http://www.fckeditor.net * Copyright (C) 2003-2010 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 == * * Dialog windows operations. */ var FCKDialog = ( function() { var topDialog ; var baseZIndex ; var cover ; // The document that holds the dialog. var topWindow = window.parent ; while ( topWindow.parent && topWindow.parent != topWindow ) { try { if ( topWindow.parent.document.domain != document.domain ) break ; if ( topWindow.parent.document.getElementsByTagName( 'frameset' ).length > 0 ) break ; } catch ( e ) { break ; } topWindow = topWindow.parent ; } var topDocument = topWindow.document ; var getZIndex = function() { if ( !baseZIndex ) baseZIndex = FCKConfig.FloatingPanelsZIndex + 999 ; return ++baseZIndex ; } // TODO : This logic is not actually working when reducing the window, only // when enlarging it. var resizeHandler = function() { if ( !cover ) return ; var relElement = FCKTools.IsStrictMode( topDocument ) ? topDocument.documentElement : topDocument.body ; FCKDomTools.SetElementStyles( cover, { 'width' : Math.max( relElement.scrollWidth, relElement.clientWidth, topDocument.scrollWidth || 0 ) - 1 + 'px', 'height' : Math.max( relElement.scrollHeight, relElement.clientHeight, topDocument.scrollHeight || 0 ) - 1 + 'px' } ) ; } return { /** * Opens a dialog window using the standard dialog template. */ OpenDialog : function( dialogName, dialogTitle, dialogPage, width, height, customValue, resizable ) { if ( !topDialog ) this.DisplayMainCover() ; // Setup the dialog info to be passed to the dialog. var dialogInfo = { Title : dialogTitle, Page : dialogPage, Editor : window, CustomValue : customValue, // Optional TopWindow : topWindow } FCK.ToolbarSet.CurrentInstance.Selection.Save( true ) ; // Calculate the dialog position, centering it on the screen. var viewSize = FCKTools.GetViewPaneSize( topWindow ) ; var scrollPosition = { 'X' : 0, 'Y' : 0 } ; var useAbsolutePosition = FCKBrowserInfo.IsIE && ( !FCKBrowserInfo.IsIE7 || !FCKTools.IsStrictMode( topWindow.document ) ) ; if ( useAbsolutePosition ) scrollPosition = FCKTools.GetScrollPosition( topWindow ) ; var iTop = Math.max( scrollPosition.Y + ( viewSize.Height - height - 20 ) / 2, 0 ) ; var iLeft = Math.max( scrollPosition.X + ( viewSize.Width - width - 20 ) / 2, 0 ) ; // Setup the IFRAME that will hold the dialog. var dialog = topDocument.createElement( 'iframe' ) ; FCKTools.ResetStyles( dialog ) ; dialog.src = FCKConfig.BasePath + 'fckdialog.html' ; // Dummy URL for testing whether the code in fckdialog.js alone leaks memory. // dialog.src = 'about:blank'; dialog.frameBorder = 0 ; dialog.allowTransparency = true ; FCKDomTools.SetElementStyles( dialog, { 'position' : ( useAbsolutePosition ) ? 'absolute' : 'fixed', 'top' : iTop + 'px', 'left' : iLeft + 'px', 'width' : width + 'px', 'height' : height + 'px', 'zIndex' : getZIndex() } ) ; // Save the dialog info to be used by the dialog page once loaded. dialog._DialogArguments = dialogInfo ; // Append the IFRAME to the target document. topDocument.body.appendChild( dialog ) ; // Keep record of the dialog's parent/child relationships. dialog._ParentDialog = topDialog ; topDialog = dialog ; }, /** * (For internal use) * Called when the top dialog is closed. */ OnDialogClose : function( dialogWindow ) { var dialog = dialogWindow.frameElement ; FCKDomTools.RemoveNode( dialog ) ; if ( dialog._ParentDialog ) // Nested Dialog. { topDialog = dialog._ParentDialog ; dialog._ParentDialog.contentWindow.SetEnabled( true ) ; } else // First Dialog. { // Set the Focus in the browser, so the "OnBlur" event is not // fired. In IE, there is no need to do that because the dialog // already moved the selection to the editing area before // closing (EnsureSelection). Also, the Focus() call here // causes memory leak on IE7 (weird). if ( !FCKBrowserInfo.IsIE ) FCK.Focus() ; this.HideMainCover() ; // Bug #1918: Assigning topDialog = null directly causes IE6 to crash. setTimeout( function(){ topDialog = null ; }, 0 ) ; // Release the previously saved selection. FCK.ToolbarSet.CurrentInstance.Selection.Release() ; } }, DisplayMainCover : function() { // Setup the DIV that will be used to cover. cover = topDocument.createElement( 'div' ) ; FCKTools.ResetStyles( cover ) ; FCKDomTools.SetElementStyles( cover, { 'position' : 'absolute', 'zIndex' : getZIndex(), 'top' : '0px', 'left' : '0px', 'backgroundColor' : FCKConfig.BackgroundBlockerColor } ) ; FCKDomTools.SetOpacity( cover, FCKConfig.BackgroundBlockerOpacity ) ; // For IE6-, we need to fill the cover with a transparent IFRAME, // to properly block <select> fields. if ( FCKBrowserInfo.IsIE && !FCKBrowserInfo.IsIE7 ) { var iframe = topDocument.createElement( 'iframe' ) ; FCKTools.ResetStyles( iframe ) ; iframe.hideFocus = true ; iframe.frameBorder = 0 ; iframe.src = FCKTools.GetVoidUrl() ; FCKDomTools.SetElementStyles( iframe, { 'width' : '100%', 'height' : '100%', 'position' : 'absolute', 'left' : '0px', 'top' : '0px', 'filter' : 'progid:DXImageTransform.Microsoft.Alpha(opacity=0)' } ) ; cover.appendChild( iframe ) ; } // We need to manually adjust the cover size on resize. FCKTools.AddEventListener( topWindow, 'resize', resizeHandler ) ; resizeHandler() ; topDocument.body.appendChild( cover ) ; FCKFocusManager.Lock() ; // Prevent the user from refocusing the disabled // editing window by pressing Tab. (Bug #2065) var el = FCK.ToolbarSet.CurrentInstance.GetInstanceObject( 'frameElement' ) ; el._fck_originalTabIndex = el.tabIndex ; el.tabIndex = -1 ; }, HideMainCover : function() { FCKDomTools.RemoveNode( cover ) ; FCKFocusManager.Unlock() ; // Revert the tab index hack. (Bug #2065) var el = FCK.ToolbarSet.CurrentInstance.GetInstanceObject( 'frameElement' ) ; el.tabIndex = el._fck_originalTabIndex ; FCKDomTools.ClearElementJSProperty( el, '_fck_originalTabIndex' ) ; }, GetCover : function() { return cover ; } } ; } )() ;