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/* |
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* FCKeditor - The text editor for Internet - http://www.fckeditor.net |
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* Copyright (C) 2003-2009 Frederico Caldeira Knabben |
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* |
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* == BEGIN LICENSE == |
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* |
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* Licensed under the terms of any of the following licenses at your |
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* choice: |
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* |
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* - GNU General Public License Version 2 or later (the "GPL") |
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* http://www.gnu.org/licenses/gpl.html |
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* |
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* - GNU Lesser General Public License Version 2.1 or later (the "LGPL") |
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* http://www.gnu.org/licenses/lgpl.html |
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* |
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* - Mozilla Public License Version 1.1 or later (the "MPL") |
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* http://www.mozilla.org/MPL/MPL-1.1.html |
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* |
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* == END LICENSE == |
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* |
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* Dialog windows operations. |
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*/ |
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|
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var FCKDialog = ( function() |
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{ |
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var topDialog ; |
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var baseZIndex ; |
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var cover ; |
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|
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// The document that holds the dialog. |
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var topWindow = window.parent ; |
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|
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while ( topWindow.parent && topWindow.parent != topWindow ) |
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{ |
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try |
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{ |
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if ( topWindow.parent.document.domain != document.domain ) |
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break ; |
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if ( topWindow.parent.document.getElementsByTagName( 'frameset' ).length > 0 ) |
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break ; |
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} |
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catch ( e ) |
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{ |
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break ; |
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} |
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topWindow = topWindow.parent ; |
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} |
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|
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var topDocument = topWindow.document ; |
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|
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var getZIndex = function() |
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{ |
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if ( !baseZIndex ) |
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baseZIndex = FCKConfig.FloatingPanelsZIndex + 999 ; |
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return ++baseZIndex ; |
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} |
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|
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// TODO : This logic is not actually working when reducing the window, only |
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// when enlarging it. |
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var resizeHandler = function() |
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{ |
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if ( !cover ) |
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return ; |
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|
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var relElement = FCKTools.IsStrictMode( topDocument ) ? topDocument.documentElement : topDocument.body ; |
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|
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FCKDomTools.SetElementStyles( cover, |
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{ |
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'width' : Math.max( relElement.scrollWidth, |
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relElement.clientWidth, |
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topDocument.scrollWidth || 0 ) - 1 + 'px', |
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'height' : Math.max( relElement.scrollHeight, |
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relElement.clientHeight, |
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topDocument.scrollHeight || 0 ) - 1 + 'px' |
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} ) ; |
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} |
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|
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return { |
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/** |
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* Opens a dialog window using the standard dialog template. |
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*/ |
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OpenDialog : function( dialogName, dialogTitle, dialogPage, width, height, customValue, parentWindow, resizable ) |
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{ |
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if ( !topDialog ) |
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this.DisplayMainCover() ; |
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|
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// Setup the dialog info to be passed to the dialog. |
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var dialogInfo = |
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{ |
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Title : dialogTitle, |
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Page : dialogPage, |
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Editor : window, |
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CustomValue : customValue, // Optional |
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TopWindow : topWindow |
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} |
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|
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FCK.ToolbarSet.CurrentInstance.Selection.Save( true ) ; |
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|
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// Calculate the dialog position, centering it on the screen. |
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var viewSize = FCKTools.GetViewPaneSize( topWindow ) ; |
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var scrollPosition = { 'X' : 0, 'Y' : 0 } ; |
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var useAbsolutePosition = FCKBrowserInfo.IsIE && ( !FCKBrowserInfo.IsIE7 || !FCKTools.IsStrictMode( topWindow.document ) ) ; |
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if ( useAbsolutePosition ) |
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scrollPosition = FCKTools.GetScrollPosition( topWindow ) ; |
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var iTop = Math.max( scrollPosition.Y + ( viewSize.Height - height - 20 ) / 2, 0 ) ; |
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var iLeft = Math.max( scrollPosition.X + ( viewSize.Width - width - 20 ) / 2, 0 ) ; |
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|
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// Setup the IFRAME that will hold the dialog. |
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var dialog = topDocument.createElement( 'iframe' ) ; |
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FCKTools.ResetStyles( dialog ) ; |
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dialog.src = FCKConfig.BasePath + 'fckdialog.html' ; |
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|
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// Dummy URL for testing whether the code in fckdialog.js alone leaks memory. |
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// dialog.src = 'about:blank'; |
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|
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dialog.frameBorder = 0 ; |
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dialog.allowTransparency = true ; |
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FCKDomTools.SetElementStyles( dialog, |
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{ |
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'position' : ( useAbsolutePosition ) ? 'absolute' : 'fixed', |
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'top' : iTop + 'px', |
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'left' : iLeft + 'px', |
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'width' : width + 'px', |
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'height' : height + 'px', |
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'zIndex' : getZIndex() |
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} ) ; |
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|
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// Save the dialog info to be used by the dialog page once loaded. |
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dialog._DialogArguments = dialogInfo ; |
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|
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// Append the IFRAME to the target document. |
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topDocument.body.appendChild( dialog ) ; |
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|
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// Keep record of the dialog's parent/child relationships. |
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dialog._ParentDialog = topDialog ; |
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topDialog = dialog ; |
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}, |
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|
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/** |
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* (For internal use) |
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* Called when the top dialog is closed. |
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*/ |
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OnDialogClose : function( dialogWindow ) |
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{ |
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var dialog = dialogWindow.frameElement ; |
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FCKDomTools.RemoveNode( dialog ) ; |
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|
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if ( dialog._ParentDialog ) // Nested Dialog. |
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{ |
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topDialog = dialog._ParentDialog ; |
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dialog._ParentDialog.contentWindow.SetEnabled( true ) ; |
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} |
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else // First Dialog. |
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{ |
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// Set the Focus in the browser, so the "OnBlur" event is not |
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// fired. In IE, there is no need to do that because the dialog |
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// already moved the selection to the editing area before |
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// closing (EnsureSelection). Also, the Focus() call here |
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// causes memory leak on IE7 (weird). |
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if ( !FCKBrowserInfo.IsIE ) |
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FCK.Focus() ; |
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|
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this.HideMainCover() ; |
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// Bug #1918: Assigning topDialog = null directly causes IE6 to crash. |
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setTimeout( function(){ topDialog = null ; }, 0 ) ; |
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|
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// Release the previously saved selection. |
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FCK.ToolbarSet.CurrentInstance.Selection.Release() ; |
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} |
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}, |
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|
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DisplayMainCover : function() |
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{ |
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// Setup the DIV that will be used to cover. |
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cover = topDocument.createElement( 'div' ) ; |
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FCKTools.ResetStyles( cover ) ; |
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FCKDomTools.SetElementStyles( cover, |
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{ |
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'position' : 'absolute', |
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'zIndex' : getZIndex(), |
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'top' : '0px', |
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'left' : '0px', |
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'backgroundColor' : FCKConfig.BackgroundBlockerColor |
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} ) ; |
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FCKDomTools.SetOpacity( cover, FCKConfig.BackgroundBlockerOpacity ) ; |
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|
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// For IE6-, we need to fill the cover with a transparent IFRAME, |
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// to properly block <select> fields. |
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if ( FCKBrowserInfo.IsIE && !FCKBrowserInfo.IsIE7 ) |
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{ |
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var iframe = topDocument.createElement( 'iframe' ) ; |
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FCKTools.ResetStyles( iframe ) ; |
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iframe.hideFocus = true ; |
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iframe.frameBorder = 0 ; |
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iframe.src = FCKTools.GetVoidUrl() ; |
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FCKDomTools.SetElementStyles( iframe, |
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{ |
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'width' : '100%', |
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'height' : '100%', |
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'position' : 'absolute', |
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'left' : '0px', |
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'top' : '0px', |
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'filter' : 'progid:DXImageTransform.Microsoft.Alpha(opacity=0)' |
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} ) ; |
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cover.appendChild( iframe ) ; |
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} |
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|
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// We need to manually adjust the cover size on resize. |
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FCKTools.AddEventListener( topWindow, 'resize', resizeHandler ) ; |
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resizeHandler() ; |
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|
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topDocument.body.appendChild( cover ) ; |
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|
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FCKFocusManager.Lock() ; |
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|
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// Prevent the user from refocusing the disabled |
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// editing window by pressing Tab. (Bug #2065) |
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var el = FCK.ToolbarSet.CurrentInstance.GetInstanceObject( 'frameElement' ) ; |
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el._fck_originalTabIndex = el.tabIndex ; |
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el.tabIndex = -1 ; |
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}, |
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|
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HideMainCover : function() |
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{ |
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FCKDomTools.RemoveNode( cover ) ; |
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FCKFocusManager.Unlock() ; |
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|
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// Revert the tab index hack. (Bug #2065) |
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var el = FCK.ToolbarSet.CurrentInstance.GetInstanceObject( 'frameElement' ) ; |
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el.tabIndex = el._fck_originalTabIndex ; |
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FCKDomTools.ClearElementJSProperty( el, '_fck_originalTabIndex' ) ; |
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}, |
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|
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GetCover : function() |
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{ |
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return cover ; |
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} |
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} ; |
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} )() ; |
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|
